======================================
| xx__-> [    9.473785][  T205] ------------[ cut here ]------------
| [    9.474026][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [    9.474326][  T205] Modules linked in: vxlan
| [    9.474802][  T205] Tainted: [W]=WARN
[    9.474951][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.475130][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.475314][  T205] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.475830][  T205] RSP: 0018:ffa00000008c6fd0 EFLAGS: 00010286
[    9.476010][  T205] RAX: 00000000ffffffa6 RBX: ff1100000947ae40 RCX: 1ff4000000118dc0
[    9.476229][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947aefc
[    9.476455][  T205] RBP: ff1100000598a000 R08: 1fe220000128f5e1 R09: ff1100000e7f0b80
[    9.476666][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.476887][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000598ae44
[    9.477102][  T205] FS:  00007efeddb3f840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[    9.477350][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.477551][  T205] CR2: 00007f8c16f2e808 CR3: 00000000096f4003 CR4: 0000000000771ef0
[    9.477764][  T205] PKRU: 55555554
[    9.477874][  T205] Call Trace:
[    9.477980][  T205]  <TASK>
[    9.478054][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.478201][  T205]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[    9.478348][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.478460][  T205]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    9.478603][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[    9.478746][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.478895][  T205]  ? netif_change_name (net/core/dev.c:1495)
[    9.479037][  T205]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[    9.479184][  T205]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.479327][  T205] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[    9.479477][  T205]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[    9.479623][  T205] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[    9.479767][  T205]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[    9.479918][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.480060][  T205]  ? nla_strscpy (lib/nlattr.c:795)
[    9.480205][  T205]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.480348][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.480495][  T205]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.480637][  T205]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.480784][  T205]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.480935][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.481078][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.481221][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.481362][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.481510][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.481649][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.481794][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.481941][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.482082][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.482222][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.482364][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.482509][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.482651][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.482791][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.482937][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.483079][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.483218][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.483362][  T205]  ? 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))
[    9.483509][  T205]  ? 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))
[    9.483652][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.483794][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.483949][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.484091][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.484232][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.484374][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.484523][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.484664][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.484803][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.484981][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[    9.485126][  T205]  ___sys_sendmsg (net/socket.c:2752)
[    9.485265][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.485405][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.485562][  T205]  __sys_sendmsg (net/socket.c:2784)
[    9.485701][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.485846][  T205]  ? vfs_write (./include/linux/fsnotify.h:96 ./include/linux/fsnotify.h:113 ./include/linux/fsnotify.h:127 ./include/linux/fsnotify.h:116 ./include/linux/fsnotify.h:433 fs/read_write.c:692)
[    9.485991][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.486135][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.486277][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.486419][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.486566][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.486742][  T205] RIP: 0033:0x7efeddd7908e
[    9.486896][  T205] 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
[    9.487399][  T205] RSP: 002b:00007fffeafef000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.487617][  T205] RAX: ffffffffffffffda RBX: 00007fffeafef7a0 RCX: 00007efeddd7908e
[    9.487833][  T205] RDX: 0000000000000000 RSI: 00007fffeafef0b0 RDI: 0000000000000005
[    9.488045][  T205] RBP: 00007fffeafef010 R08: 0000000000000000 R09: 0000000000000000
[    9.488257][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a8
[    9.488473][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffeafef770
| [    9.560227][  T211] ------------[ cut here ]------------
| [    9.560381][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.560608][  T211] Modules linked in: vxlan
| [    9.561017][  T211] Tainted: [W]=WARN
[    9.561112][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.561272][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.561446][  T211] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.561898][  T211] RSP: 0018:ffa00000008b7190 EFLAGS: 00010286
[    9.562059][  T211] RAX: 00000000ffffffa6 RBX: ff1100000c818c80 RCX: 1ff4000000116df8
[    9.562252][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c818d3c
[    9.562440][  T211] RBP: ff1100000598a000 R08: 1fe22000019031a9 R09: ff1100000fc2d158
[    9.562626][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.562813][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.563013][  T211] FS:  00007f2ac0500840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[    9.563237][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.563396][  T211] CR2: 00007f2ac07d01a0 CR3: 0000000009875003 CR4: 0000000000771ef0
[    9.563591][  T211] PKRU: 55555554
[    9.563687][  T211] Call Trace:
[    9.563782][  T211]  <TASK>
[    9.563853][  T211]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.564014][  T211]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.564172][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.564299][  T211]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[    9.564424][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.564554][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.564678][  T211]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[    9.564803][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.564994][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.565136][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.565259][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.565460][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.565583][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.565706][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.565880][  T211]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[    9.566007][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.566132][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.566257][  T211]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[    9.566381][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.566512][  T211]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[    9.566636][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.566761][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.566968][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.567092][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.567217][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.567340][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.567469][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.567595][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.567719][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.567918][  T211]  ? 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))
[    9.568043][  T211]  ? 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))
[    9.568168][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.568294][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.568418][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.568547][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.568672][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.568798][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.568988][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.569114][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.569237][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.569390][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.569518][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.569643][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.569769][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.569977][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.570133][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.570268][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.570394][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.570523][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.570678][  T211]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.570803][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.571001][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.571126][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.571251][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.571374][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.571531][  T211] RIP: 0033:0x7f2ac073a08e
[    9.571662][  T211] 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
[    9.572110][  T211] RSP: 002b:00007ffc4f79d7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.572297][  T211] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ac073a08e
[    9.572486][  T211] RDX: 0000000000000000 RSI: 00007ffc4f79d880 RDI: 0000000000000005
[    9.572671][  T211] RBP: 00007ffc4f79d7e0 R08: 0000000000000000 R09: 0000000000000000
[    9.572861][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a8
[    9.573046][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4f79df40
| [    9.648718][  T217] ------------[ cut here ]------------
| [    9.648989][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [    9.649321][  T217] Modules linked in: vxlan
| [    9.649867][  T217] Tainted: [W]=WARN
[    9.650013][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.650223][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.650451][  T217] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.650978][  T217] RSP: 0018:ffa00000006a7a80 EFLAGS: 00010286
[    9.651192][  T217] RAX: 00000000ffffffa6 RBX: ff1100000da6e580 RCX: 1ff40000000d4f16
[    9.651439][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6e63c
[    9.651684][  T217] RBP: ff1100000790c000 R08: 1fe2200001b4dcc9 R09: ff1100000f470b80
[    9.651937][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.652181][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000790c000
[    9.652426][  T217] FS:  00007fdce1eb5840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[    9.652713][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.652938][  T217] CR2: 00007fdce20c1690 CR3: 0000000004bfb002 CR4: 0000000000771ef0
[    9.653184][  T217] PKRU: 55555554
[    9.653332][  T217] Call Trace:
[    9.653486][  T217]  <TASK>
[    9.653603][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.653787][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.653981][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.654130][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.654317][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.654539][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.654721][  T217]  register_netdev (net/core/dev.c:11552)
[    9.654911][  T217]  loopback_net_init (drivers/net/loopback.c:218)
[    9.655098][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.655248][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.655394][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.655577][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.655759][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.655953][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.656135][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.656320][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.656507][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.656687][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.656878][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.657058][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.657242][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.657426][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.657645][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.657837][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.658017][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.658197][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.658378][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.658597][  T217] RIP: 0033:0x7fdce2177bcb
[    9.658782][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.659309][  T217] RSP: 002b:00007ffcd281a1a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.659565][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdce2177bcb
[    9.659809][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.660068][  T217] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.660313][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd281c3d0
[    9.660567][  T217] R13: 0000000000000001 R14: 00007fdce1eb56f8 R15: 00007ffcd281d88c
| [    9.665471][  T217] ------------[ cut here ]------------
| [    9.665654][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [    9.665948][  T217] Modules linked in: vxlan
| [    9.666454][  T217] Tainted: [W]=WARN
[    9.666603][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.666814][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.667051][  T217] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.667570][  T217] RSP: 0018:ffa00000006a7918 EFLAGS: 00010286
[    9.667783][  T217] RAX: 00000000ffffffa6 RBX: ff110000095afc40 RCX: 1ff40000000d4ee9
[    9.668038][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095afcfc
[    9.668280][  T217] RBP: ff11000005279000 R08: 1fe22000012b5fa1 R09: ff1100000f470b80
[    9.668533][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.668780][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005279000
[    9.669042][  T217] FS:  00007fdce1eb5840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[    9.669322][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.669543][  T217] CR2: 00007fdce20c1690 CR3: 0000000004bfb002 CR4: 0000000000771ef0
[    9.669789][  T217] PKRU: 55555554
[    9.669948][  T217] Call Trace:
[    9.670096][  T217]  <TASK>
[    9.670211][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.670394][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.670579][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.670725][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.670919][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.671133][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.671315][  T217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.671507][  T217]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.671715][  T217]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.671906][  T217]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.672088][  T217]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.672269][  T217]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.672487][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.672640][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.672787][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.672975][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.673155][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.673368][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.673557][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.673739][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.673932][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.674127][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.674304][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.674490][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.674673][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.674868][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.675079][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.675257][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.675469][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.675649][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.675843][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.676050][  T217] RIP: 0033:0x7fdce2177bcb
[    9.676232][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.676751][  T217] RSP: 002b:00007ffcd281a1a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.677007][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdce2177bcb
[    9.677246][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.677498][  T217] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.677736][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd281c3d0
[    9.677988][  T217] R13: 0000000000000001 R14: 00007fdce1eb56f8 R15: 00007ffcd281d88c
| [    9.682367][  T217] ------------[ cut here ]------------
| [    9.682549][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [    9.682839][  T217] Modules linked in: vxlan
| [    9.683332][  T217] Tainted: [W]=WARN
[    9.683488][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.683703][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.683939][  T217] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.684462][  T217] RSP: 0018:ffa00000006a78f8 EFLAGS: 00010286
[    9.684681][  T217] RAX: 00000000ffffffa6 RBX: ff110000095afe00 RCX: 1ff40000000d4ee5
[    9.684937][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095afebc
[    9.685183][  T217] RBP: ff1100000fd44000 R08: 1fe22000012b5fd9 R09: ff1100000f470b80
[    9.685424][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.685676][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd44000
[    9.685938][  T217] FS:  00007fdce1eb5840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[    9.686213][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.686425][  T217] CR2: 00007fdce20c1690 CR3: 0000000004bfb002 CR4: 0000000000771ef0
[    9.686677][  T217] PKRU: 55555554
[    9.686835][  T217] Call Trace:
[    9.686980][  T217]  <TASK>
[    9.687098][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.687277][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.687463][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.687612][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.687798][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.688021][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.688203][  T217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.688385][  T217]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.688577][  T217]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.688758][  T217]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.688952][  T217]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.689136][  T217]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.689316][  T217]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.689506][  T217]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.689689][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.689851][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.689998][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.690176][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.690357][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.690546][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.690727][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.690955][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.691135][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.691315][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.691500][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.691680][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.691873][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.692057][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.692238][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.692416][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.692605][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.692781][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.693001][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.693211][  T217] RIP: 0033:0x7fdce2177bcb
[    9.693397][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.693927][  T217] RSP: 002b:00007ffcd281a1a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.694171][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdce2177bcb
[    9.694417][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.694665][  T217] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.694919][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd281c3d0
[    9.695215][  T217] R13: 0000000000000001 R14: 00007fdce1eb56f8 R15: 00007ffcd281d88c
| [    9.700514][  T217] ------------[ cut here ]------------
| [    9.700689][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [    9.700993][  T217] Modules linked in: vxlan
| [    9.701502][  T217] Tainted: [W]=WARN
[    9.701647][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.701873][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.702092][  T217] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.702624][  T217] RSP: 0018:ffa00000006a7a78 EFLAGS: 00010286
[    9.702877][  T217] RAX: 00000000ffffffa6 RBX: ff1100000947b8c0 RCX: 1ff40000000d4f15
[    9.703116][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947b97c
[    9.703356][  T217] RBP: ff1100000fd39000 R08: 1fe220000128f731 R09: ff1100000f470b80
[    9.703621][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.703902][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd39000
[    9.704145][  T217] FS:  00007fdce1eb5840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[    9.704441][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.704656][  T217] CR2: 00007fdce20c1690 CR3: 0000000004bfb002 CR4: 0000000000771ef0
[    9.704916][  T217] PKRU: 55555554
[    9.705089][  T217] Call Trace:
[    9.705250][  T217]  <TASK>
[    9.705364][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.705555][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.705750][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.705907][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.706088][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.706299][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.706503][  T217]  register_netdev (net/core/dev.c:11552)
[    9.706684][  T217]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.706873][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.707021][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.707167][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.707360][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.707548][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.707730][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.707924][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.708106][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.708283][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.708469][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.708646][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.708837][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.709015][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.709193][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.709470][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.709668][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.709858][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.710034][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.710296][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.710511][  T217] RIP: 0033:0x7fdce2177bcb
[    9.710695][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.711316][  T217] RSP: 002b:00007ffcd281a1a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.711570][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdce2177bcb
[    9.711902][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.712157][  T217] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.712487][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd281c3d0
[    9.712728][  T217] R13: 0000000000000001 R14: 00007fdce1eb56f8 R15: 00007ffcd281d88c
| [    9.717743][  T217] ------------[ cut here ]------------
| [    9.717928][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [    9.718202][  T217] Modules linked in: vxlan
| [    9.718885][  T217] Tainted: [W]=WARN
[    9.719029][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.719237][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.719552][  T217] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.720066][  T217] RSP: 0018:ffa00000006a7a68 EFLAGS: 00010286
[    9.720362][  T217] RAX: 00000000ffffffa6 RBX: ff1100000b3b7e00 RCX: 1ff40000000d4f13
[    9.720611][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b7ebc
[    9.720863][  T217] RBP: ff1100000f279000 R08: 1fe2200001676fd9 R09: ff1100000f470b80
[    9.721102][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.721340][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f279000
[    9.721678][  T217] FS:  00007fdce1eb5840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[    9.721969][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.722179][  T217] CR2: 00007fdce20c1690 CR3: 0000000004bfb002 CR4: 0000000000771ef0
[    9.722510][  T217] PKRU: 55555554
[    9.722652][  T217] Call Trace:
[    9.722796][  T217]  <TASK>
[    9.722928][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.723106][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.723367][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.723523][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.723704][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.724011][  T217]  register_netdev (net/core/dev.c:11552)
[    9.724219][  T217]  sit_init_net (net/ipv6/sit.c:1860)
[    9.724402][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.724557][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.724787][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.724973][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.725152][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.725335][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.725522][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.725705][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.725897][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.726075][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.726336][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.726521][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.726705][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.726896][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.727073][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.727249][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.727425][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.727609][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.727787][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.728092][  T217] RIP: 0033:0x7fdce2177bcb
[    9.728278][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.728897][  T217] RSP: 002b:00007ffcd281a1a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.729140][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdce2177bcb
[    9.729489][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.729731][  T217] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.729983][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd281c3d0
[    9.730311][  T217] R13: 0000000000000001 R14: 00007fdce1eb56f8 R15: 00007ffcd281d88c
| [    9.736281][  T217] ------------[ cut here ]------------
| [    9.736463][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [    9.736739][  T217] Modules linked in: vxlan
| [    9.737389][  T217] Tainted: [W]=WARN
[    9.737542][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.737750][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.737977][  T217] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.738498][  T217] RSP: 0018:ffa00000006a7a78 EFLAGS: 00010286
[    9.738710][  T217] RAX: 00000000ffffffa6 RBX: ff1100000c787700 RCX: 1ff40000000d4f15
[    9.738966][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7877bc
[    9.739211][  T217] RBP: ff1100000f15c000 R08: 1fe22000018f0ef9 R09: ff1100000f470b80
[    9.739458][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.739701][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f15c000
[    9.739959][  T217] FS:  00007fdce1eb5840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[    9.740237][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.740457][  T217] CR2: 00007fdce20c1690 CR3: 0000000004bfb002 CR4: 0000000000771ef0
[    9.740706][  T217] PKRU: 55555554
[    9.740865][  T217] Call Trace:
[    9.741095][  T217]  <TASK>
[    9.741211][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.741421][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.741695][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.741856][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.742035][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.742245][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.742531][  T217]  register_netdev (net/core/dev.c:11552)
[    9.742718][  T217]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.742944][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.743176][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.743325][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.743509][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.743775][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.744052][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.744250][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.744616][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.744799][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.744990][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.745268][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.745453][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.745631][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.745812][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.746003][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.746180][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.746358][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.746541][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.746721][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.747044][  T217] RIP: 0033:0x7fdce2177bcb
[    9.747227][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.747955][  T217] RSP: 002b:00007ffcd281a1a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.748197][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdce2177bcb
[    9.748441][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.748768][  T217] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.749039][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd281c3d0
[    9.749280][  T217] R13: 0000000000000001 R14: 00007fdce1eb56f8 R15: 00007ffcd281d88c
| [    9.800781][  T224] ------------[ cut here ]------------
| [    9.800945][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/224
| [    9.801176][  T224] Modules linked in: vxlan
| [    9.801585][  T224] Tainted: [W]=WARN
[    9.801683][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.801852][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.802021][  T224] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.802487][  T224] RSP: 0018:ffa0000000507020 EFLAGS: 00010286
[    9.802652][  T224] RAX: 00000000ffffffa6 RBX: ff1100000c4043c0 RCX: 1ff40000000a0dca
[    9.802854][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c40447c
[    9.803049][  T224] RBP: ff1100000790c000 R08: 1fe2200001880891 R09: ff11000009642e58
[    9.803242][  T224] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.803442][  T224] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.803639][  T224] FS:  00007fae6b23c840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[    9.803872][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.804035][  T224] CR2: 000000002bb5a988 CR3: 000000000e519004 CR4: 0000000000771ef0
[    9.804228][  T224] PKRU: 55555554
[    9.804326][  T224] Call Trace:
[    9.804424][  T224]  <TASK>
[    9.804498][  T224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.804634][  T224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.804734][  T224]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.805734][  T224]  __dev_notify_flags (net/core/dev.c:9787)
[    9.805941][  T224]  ? netif_change_name (net/core/dev.c:1495)
[    9.806074][  T224]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.806205][  T224]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.806334][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.806474][  T224]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.806607][  T224]  netif_change_flags (net/core/dev.c:9820)
[    9.806741][  T224]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.806970][  T224]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.807105][  T224]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.807235][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.807401][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.807538][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.807669][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.807799][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.808013][  T224]  ? __kernel_text_address (kernel/extable.c:79)
[    9.808144][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.808274][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.808403][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.808539][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.808670][  T224]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.808799][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.809024][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.809152][  T224]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.809283][  T224]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.809415][  T224]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.809549][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.809679][  T224]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.809810][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.810018][  T224]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.810153][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.810282][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.810412][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.810549][  T224]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.810678][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.810810][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.810997][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.811127][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.811258][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.811390][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.811527][  T224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.811656][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.811787][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.811921][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.812053][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.812184][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.812315][  T224]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.812451][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.812582][  T224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.812715][  T224]  ? 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))
[    9.812849][  T224]  ? 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))
[    9.812980][  T224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.813111][  T224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.813246][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.813378][  T224]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.813513][  T224]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.813644][  T224]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.813777][  T224]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.813914][  T224]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.814043][  T224]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.814207][  T224]  ? move_addr_to_kernel (net/socket.c:258)
[    9.814337][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.814472][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.814604][  T224]  ___sys_sendmsg (net/socket.c:2752)
[    9.814732][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.814900][  T224]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.815041][  T224]  __sys_sendmsg (net/socket.c:2784)
[    9.815174][  T224]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.815302][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.815472][  T224]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.815602][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.815732][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.815865][  T224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.815996][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.816127][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.816289][  T224] RIP: 0033:0x7fae6b47608e
[    9.816426][  T224] 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
[    9.816924][  T224] RSP: 002b:00007ffc771ded10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.817123][  T224] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fae6b47608e
[    9.817318][  T224] RDX: 0000000000000000 RSI: 00007ffc771dedc0 RDI: 0000000000000005
[    9.817519][  T224] RBP: 00007ffc771ded20 R08: 0000000000000000 R09: 0000000000000000
[    9.817713][  T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a9
[    9.817912][  T224] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc771df490
| [    9.928710][  T227] ------------[ cut here ]------------
| [    9.928892][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/227
| [    9.929140][  T227] Modules linked in: vxlan
| [    9.929588][  T227] Tainted: [W]=WARN
[    9.929697][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.929881][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.930065][  T227] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.930572][  T227] RSP: 0018:ffa0000000646fd0 EFLAGS: 00010286
[    9.930753][  T227] RAX: 00000000ffffffa6 RBX: ff1100000290d000 RCX: 1ff40000000c8dc0
[    9.930968][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290d0bc
[    9.931179][  T227] RBP: ff1100000f632000 R08: 1fe2200000521a19 R09: ff1100000e64d180
[    9.931387][  T227] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.931606][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f632e44
[    9.931824][  T227] FS:  00007fabd124a840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[    9.932070][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.932244][  T227] CR2: 0000000000437490 CR3: 000000000fdf4003 CR4: 0000000000771ef0
[    9.932463][  T227] PKRU: 55555554
[    9.932571][  T227] Call Trace:
[    9.932676][  T227]  <TASK>
[    9.932748][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.932901][  T227]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[    9.933048][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.933154][  T227]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    9.933296][  T227]  __dev_notify_flags (net/core/dev.c:9787)
[    9.933443][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.933586][  T227]  ? netif_change_name (net/core/dev.c:1495)
[    9.933727][  T227]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[    9.933875][  T227]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.934024][  T227] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[    9.934168][  T227]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[    9.934314][  T227] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[    9.934465][  T227]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[    9.934611][  T227]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.934751][  T227]  ? nla_strscpy (lib/nlattr.c:795)
[    9.934963][  T227]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.935200][  T227]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.935341][  T227]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.935487][  T227]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.935635][  T227]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.935781][  T227]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.935985][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.936126][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.936268][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.936409][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.936555][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.936698][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.936934][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.937079][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.937221][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.937360][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.937506][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.937648][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.937791][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.938004][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.938149][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.938290][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.938437][  T227]  ? 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))
[    9.938577][  T227]  ? 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))
[    9.938720][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.938936][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.939078][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.939220][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.939362][  T227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.939512][  T227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.939657][  T227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.939798][  T227]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.940023][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.940197][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[    9.940343][  T227]  ___sys_sendmsg (net/socket.c:2752)
[    9.940491][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.940629][  T227]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.940778][  T227]  ? 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))
[    9.941076][  T227]  __sys_sendmsg (net/socket.c:2784)
[    9.941218][  T227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.941361][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.941508][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.941649][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.941791][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.941942][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.942083][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.942258][  T227] RIP: 0033:0x7fabd148408e
[    9.942404][  T227] 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
[    9.942917][  T227] RSP: 002b:00007ffd7da526d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.943128][  T227] RAX: ffffffffffffffda RBX: 00007ffd7da52e80 RCX: 00007fabd148408e
[    9.943338][  T227] RDX: 0000000000000000 RSI: 00007ffd7da52780 RDI: 0000000000000005
[    9.943555][  T227] RBP: 00007ffd7da526e0 R08: 0000000000000000 R09: 0000000000000000
[    9.943765][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a9
[    9.943978][  T227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7da52e50
| [    9.971172][  T228] ------------[ cut here ]------------
| [    9.971335][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/228
| [    9.971589][  T228] Modules linked in: vxlan
| [    9.972690][  T228] Tainted: [W]=WARN
[    9.972800][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.973010][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.973193][  T228] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.973701][  T228] RSP: 0018:ffa00000006b6fd0 EFLAGS: 00010286
[    9.973886][  T228] RAX: 00000000ffffffa6 RBX: ff1100000d2f8ac0 RCX: 1ff40000000d6dc0
[    9.974098][  T228] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2f8b7c
[    9.974315][  T228] RBP: ff11000006152000 R08: 1fe2200001a5f171 R09: ff1100000e64ae80
[    9.974530][  T228] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.974738][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006152e44
[    9.974958][  T228] FS:  00007f90bac7c840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[    9.975203][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.975381][  T228] CR2: 0000000000437490 CR3: 0000000004d07002 CR4: 0000000000771ef0
[    9.975602][  T228] PKRU: 55555554
[    9.975707][  T228] Call Trace:
[    9.975812][  T228]  <TASK>
[    9.975893][  T228]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.976035][  T228]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[    9.976183][  T228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.976289][  T228]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    9.976435][  T228]  __dev_notify_flags (net/core/dev.c:9787)
[    9.976577][  T228]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.976718][  T228]  ? netif_change_name (net/core/dev.c:1495)
[    9.976868][  T228]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[    9.977012][  T228]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.977155][  T228] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[    9.977300][  T228]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[    9.977448][  T228] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[    9.977592][  T228]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[    9.977739][  T228]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.977886][  T228]  ? nla_strscpy (lib/nlattr.c:795)
[    9.978030][  T228]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.978173][  T228]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.978314][  T228]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.978459][  T228]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.978605][  T228]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.978748][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.978898][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.979039][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.979181][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.979322][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.979468][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.979613][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.979757][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.979905][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.980047][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.980188][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.980328][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.980478][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.980617][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.980756][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.980902][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.981044][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.981187][  T228]  ? 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))
[    9.981326][  T228]  ? 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))
[    9.981475][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.981617][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.981757][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.981906][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.982048][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.982190][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.982333][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.982479][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.982618][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.982792][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[    9.982943][  T228]  ___sys_sendmsg (net/socket.c:2752)
[    9.983083][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.983222][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.983370][  T228]  ? 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))
[    9.983521][  T228]  __sys_sendmsg (net/socket.c:2784)
[    9.983663][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.983807][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.983954][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.984096][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.984237][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.984379][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.984526][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.984700][  T228] RIP: 0033:0x7f90baeb608e
[    9.984852][  T228] 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
[    9.985351][  T228] RSP: 002b:00007ffda60d64a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.985569][  T228] RAX: ffffffffffffffda RBX: 00007ffda60d6c50 RCX: 00007f90baeb608e
[    9.985780][  T228] RDX: 0000000000000000 RSI: 00007ffda60d6550 RDI: 0000000000000005
[    9.985998][  T228] RBP: 00007ffda60d64b0 R08: 0000000000000000 R09: 0000000000000000
[    9.986208][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a9
[    9.986420][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda60d6c20
| [   10.023056][  T229] ------------[ cut here ]------------
| [   10.023245][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/229
| [   10.023535][  T229] Modules linked in: vxlan
| [   10.024050][  T229] Tainted: [W]=WARN
[   10.024198][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.024413][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.024644][  T229] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.025173][  T229] RSP: 0018:ffa00000009171b0 EFLAGS: 00010286
[   10.025390][  T229] RAX: 00000000ffffffa6 RBX: ff1100000a204040 RCX: 1ff4000000122dfc
[   10.025646][  T229] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2040fc
[   10.025911][  T229] RBP: ff1100000f17a000 R08: 1fe2200001440821 R09: ff1100000f64ae80
[   10.026157][  T229] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.026403][  T229] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   10.026664][  T229] FS:  00007fae7460c840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   10.026957][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.027172][  T229] CR2: 0000000000441b40 CR3: 0000000009294004 CR4: 0000000000771ef0
[   10.027420][  T229] PKRU: 55555554
[   10.027575][  T229] Call Trace:
[   10.027721][  T229]  <TASK>
[   10.027848][  T229]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.028033][  T229]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.028183][  T229]  __dev_notify_flags (net/core/dev.c:9787)
[   10.028365][  T229]  ? netif_change_name (net/core/dev.c:1495)
[   10.028556][  T229]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.028772][  T229]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.028969][  T229]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.029154][  T229]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   10.029339][  T229]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.029533][  T229]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.029715][  T229]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.029906][  T229]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.030093][  T229]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.030281][  T229]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.030473][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.030659][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.030854][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.031035][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.031216][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.031402][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.031595][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.031778][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.031974][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.032158][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.032339][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.032534][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.032718][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.032912][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.033095][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.033278][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.033472][  T229]  ? 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))
[   10.033658][  T229]  ? 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))
[   10.033857][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.034044][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.034227][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.034411][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.034605][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.034790][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.034992][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.035175][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.035357][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.035576][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   10.035765][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   10.035961][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.036144][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.036340][  T229]  ? 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))
[   10.036534][  T229]  __sys_sendmsg (net/socket.c:2784)
[   10.036722][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.036923][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.037107][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.037291][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.037481][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.037664][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.037864][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.038078][  T229] RIP: 0033:0x7fae7484608e
[   10.038264][  T229] 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
[   10.038797][  T229] RSP: 002b:00007ffcdd5c32a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.039062][  T229] RAX: ffffffffffffffda RBX: 00007ffcdd5c3a48 RCX: 00007fae7484608e
[   10.039306][  T229] RDX: 0000000000000000 RSI: 00007ffcdd5c3350 RDI: 0000000000000005
[   10.039561][  T229] RBP: 00007ffcdd5c32b0 R08: 0000000000000000 R09: 0000000000000000
[   10.039807][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a9
[   10.040071][  T229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdd5c3a20
| [   10.080202][  T230] ------------[ cut here ]------------
| [   10.080354][  T230] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/230
| [   10.080592][  T230] Modules linked in: vxlan
| [   10.081500][  T230] Tainted: [W]=WARN
[   10.081604][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.081774][  T230] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.081955][  T230] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.082442][  T230] RSP: 0018:ffa00000008d71b0 EFLAGS: 00010286
[   10.082612][  T230] RAX: 00000000ffffffa6 RBX: ff1100000ab1d540 RCX: 1ff400000011adfc
[   10.082817][  T230] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab1d5fc
[   10.083025][  T230] RBP: ff1100000fc8a000 R08: 1fe2200001563ac1 R09: ff1100000f648b80
[   10.083228][  T230] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.083432][  T230] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   10.083633][  T230] FS:  00007f2ff4c65840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   10.083872][  T230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.084040][  T230] CR2: 00007f2ff4e5e460 CR3: 000000000f166004 CR4: 0000000000771ef0
[   10.084244][  T230] PKRU: 55555554
[   10.084344][  T230] Call Trace:
[   10.084448][  T230]  <TASK>
[   10.084518][  T230]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.084654][  T230]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.084757][  T230]  __dev_notify_flags (net/core/dev.c:9787)
[   10.084899][  T230]  ? netif_change_name (net/core/dev.c:1495)
[   10.085035][  T230]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.085202][  T230]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.085338][  T230]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.085475][  T230]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   10.085611][  T230]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.085749][  T230]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.085889][  T230]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.086022][  T230]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.086162][  T230]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.086301][  T230]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.086442][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.086575][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.086709][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.086849][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.086982][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.087119][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.087255][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.087389][  T230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.087528][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.087662][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.087796][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.087935][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.088068][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.088206][  T230]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.088340][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.088480][  T230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.088617][  T230]  ? 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))
[   10.088750][  T230]  ? 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))
[   10.088891][  T230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.089026][  T230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.089161][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.089297][  T230]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.089436][  T230]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.089573][  T230]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.089708][  T230]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.089848][  T230]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.089982][  T230]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.090147][  T230]  ? move_addr_to_kernel (net/socket.c:258)
[   10.090286][  T230]  ___sys_sendmsg (net/socket.c:2752)
[   10.090420][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.090558][  T230]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.090701][  T230]  ? 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))
[   10.090840][  T230]  __sys_sendmsg (net/socket.c:2784)
[   10.090976][  T230]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.091114][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.091248][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.091384][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.091522][  T230]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.091656][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.091791][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.091964][  T230] RIP: 0033:0x7f2ff4e9f08e
[   10.092107][  T230] 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
[   10.092588][  T230] RSP: 002b:00007fffd11fa8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.092792][  T230] RAX: ffffffffffffffda RBX: 00007fffd11fb058 RCX: 00007f2ff4e9f08e
[   10.092997][  T230] RDX: 0000000000000000 RSI: 00007fffd11fa960 RDI: 0000000000000005
[   10.093199][  T230] RBP: 00007fffd11fa8c0 R08: 0000000000000000 R09: 0000000000000000
[   10.093397][  T230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a9
[   10.093602][  T230] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd11fb030
| [   10.567565][  T259] ------------[ cut here ]------------
| [   10.567778][  T259] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/259
| [   10.568076][  T259] Modules linked in: vxlan
| [   10.568589][  T259] Tainted: [W]=WARN
[   10.568737][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.568965][  T259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.569189][  T259] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.569708][  T259] RSP: 0018:ffa0000000567190 EFLAGS: 00010286
[   10.570032][  T259] RAX: 00000000ffffffa6 RBX: ff11000008e54200 RCX: 1ff40000000acdf8
[   10.570342][  T259] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e542bc
[   10.570682][  T259] RBP: ff1100000fc8a000 R08: 1fe22000011ca859 R09: ff1100000fc0ae58
[   10.571023][  T259] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.571331][  T259] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.571641][  T259] FS:  00007f4d3ea23840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   10.572017][  T259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.572226][  T259] CR2: 000000002b0f1988 CR3: 00000000096d9005 CR4: 0000000000771ef0
[   10.572480][  T259] PKRU: 55555554
[   10.572627][  T259] Call Trace:
[   10.572773][  T259]  <TASK>
[   10.572906][  T259]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.573124][  T259]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.573338][  T259]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.573529][  T259]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.573711][  T259]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   10.573941][  T259]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   10.574122][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.574302][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.574492][  T259]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.574680][  T259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.574873][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.575074][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.575253][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.575445][  T259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.575624][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.575803][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.576002][  T259]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   10.576185][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.576363][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.576547][  T259]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.576728][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.576921][  T259]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.577103][  T259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.577283][  T259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.577471][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.577652][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.577848][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.578027][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.578210][  T259]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.578395][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.578581][  T259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.578766][  T259]  ? 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))
[   10.578960][  T259]  ? 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))
[   10.579143][  T259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.579325][  T259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.579515][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.579697][  T259]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.579895][  T259]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.580076][  T259]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.580262][  T259]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.580451][  T259]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.580633][  T259]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.580855][  T259]  ? move_addr_to_kernel (net/socket.c:258)
[   10.581036][  T259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.581217][  T259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.581398][  T259]  ___sys_sendmsg (net/socket.c:2752)
[   10.581587][  T259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.581809][  T259]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.582016][  T259]  __sys_sendmsg (net/socket.c:2784)
[   10.582196][  T259]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.582376][  T259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.582601][  T259]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.582784][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.582978][  T259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.583161][  T259]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.583342][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.583532][  T259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.583742][  T259] RIP: 0033:0x7f4d3ec5d08e
[   10.583940][  T259] 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
[   10.584457][  T259] RSP: 002b:00007ffea8940a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.584705][  T259] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4d3ec5d08e
[   10.584964][  T259] RDX: 0000000000000000 RSI: 00007ffea8940b30 RDI: 0000000000000005
[   10.585208][  T259] RBP: 00007ffea8940a90 R08: 0000000000000000 R09: 0000000000000000
[   10.585460][  T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a9
[   10.585705][  T259] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea8941200
| [   10.651061][  T260] ------------[ cut here ]------------
| [   10.651223][  T260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/260
| [   10.651461][  T260] Modules linked in: vxlan
| [   10.651882][  T260] Tainted: [W]=WARN
[   10.651984][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.652148][  T260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.652322][  T260] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.652804][  T260] RSP: 0018:ffa0000000567190 EFLAGS: 00010286
[   10.652973][  T260] RAX: 00000000ffffffa6 RBX: ff11000008e55c40 RCX: 1ff40000000acdf8
[   10.653166][  T260] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e55cfc
[   10.653358][  T260] RBP: ff1100000f17a000 R08: 1fe22000011caba1 R09: ff1100000fc08b58
[   10.653558][  T260] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.653752][  T260] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.653953][  T260] FS:  00007ffbd91e5840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   10.654182][  T260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.654348][  T260] CR2: 0000000024f52988 CR3: 000000000b4fe005 CR4: 0000000000771ef0
[   10.654548][  T260] PKRU: 55555554
[   10.654645][  T260] Call Trace:
[   10.654743][  T260]  <TASK>
[   10.654812][  T260]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.654985][  T260]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.655146][  T260]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.655277][  T260]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.655411][  T260]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   10.655582][  T260]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   10.655714][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.655851][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.655981][  T260]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.656112][  T260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.656241][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.656391][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.656529][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.656664][  T260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.656795][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.657303][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.657444][  T260]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   10.657580][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.657710][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.657843][  T260]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.657981][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.658119][  T260]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.658247][  T260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.658386][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.658521][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.658648][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.658778][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.658911][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.659041][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.659170][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.659299][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.659435][  T260]  ? 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))
[   10.659564][  T260]  ? 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))
[   10.659697][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.659835][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.659965][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.660096][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.660226][  T260]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.660356][  T260]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.660494][  T260]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.660623][  T260]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.660752][  T260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.660915][  T260]  ? move_addr_to_kernel (net/socket.c:258)
[   10.661046][  T260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.661177][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.661309][  T260]  ___sys_sendmsg (net/socket.c:2752)
[   10.661440][  T260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.661601][  T260]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.661747][  T260]  __sys_sendmsg (net/socket.c:2784)
[   10.661882][  T260]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.662010][  T260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.662175][  T260]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.662304][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.662439][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.662571][  T260]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.662702][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.662838][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.663001][  T260] RIP: 0033:0x7ffbd941f08e
[   10.663140][  T260] 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
[   10.663607][  T260] RSP: 002b:00007ffcb0b379b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.663804][  T260] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffbd941f08e
[   10.664003][  T260] RDX: 0000000000000000 RSI: 00007ffcb0b37a60 RDI: 0000000000000005
[   10.664197][  T260] RBP: 00007ffcb0b379c0 R08: 0000000000000000 R09: 0000000000000000
[   10.664388][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a9
[   10.664588][  T260] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb0b38130
| [   10.699866][  T261] ------------[ cut here ]------------
| [   10.700060][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/261
| [   10.700339][  T261] Modules linked in: vxlan
| [   10.701463][  T261] Tainted: [W]=WARN
[   10.701618][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.701839][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.702058][  T261] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.702580][  T261] RSP: 0018:ffa0000000697190 EFLAGS: 00010286
[   10.702792][  T261] RAX: 00000000ffffffa6 RBX: ff11000002a19a80 RCX: 1ff40000000d2df8
[   10.703048][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002a19b3c
[   10.703292][  T261] RBP: ff11000006152000 R08: 1fe2200000543369 R09: ff1100000fc0d158
[   10.703541][  T261] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.703778][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.704033][  T261] FS:  00007fb10d5d7840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   10.704310][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.704528][  T261] CR2: 00000000177df988 CR3: 000000000f33d002 CR4: 0000000000771ef0
[   10.704770][  T261] PKRU: 55555554
[   10.704927][  T261] Call Trace:
[   10.705071][  T261]  <TASK>
[   10.705186][  T261]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.705401][  T261]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.705621][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.705803][  T261]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   10.705996][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.706173][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.706352][  T261]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.706540][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.706722][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.706934][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.707113][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.707291][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.707474][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.707652][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.707840][  T261]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   10.708017][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.708190][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.708370][  T261]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.708559][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.708738][  T261]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.708928][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.709105][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.709281][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.709464][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.709644][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.709835][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.710015][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.710193][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.710372][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.710564][  T261]  ? 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))
[   10.710742][  T261]  ? 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))
[   10.710936][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.711119][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.711295][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.711481][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.711662][  T261]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.711853][  T261]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.712033][  T261]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.712211][  T261]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.712387][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.712606][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   10.712787][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.712977][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.713157][  T261]  ___sys_sendmsg (net/socket.c:2752)
[   10.713335][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.713554][  T261]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.713747][  T261]  __sys_sendmsg (net/socket.c:2784)
[   10.713941][  T261]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.714117][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.714328][  T261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.714512][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.714694][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.714887][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.715064][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.715246][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.715460][  T261] RIP: 0033:0x7fb10d81108e
[   10.715642][  T261] 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
[   10.716160][  T261] RSP: 002b:00007ffea2b35670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.716406][  T261] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb10d81108e
[   10.716654][  T261] RDX: 0000000000000000 RSI: 00007ffea2b35720 RDI: 0000000000000005
[   10.716903][  T261] RBP: 00007ffea2b35680 R08: 0000000000000000 R09: 0000000000000000
[   10.717140][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8a9
[   10.717383][  T261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea2b35df0
| [   10.764090][  T262] ------------[ cut here ]------------
| [   10.764241][  T262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/262
| [   10.764474][  T262] Modules linked in: vxlan
| [   10.764883][  T262] Tainted: [W]=WARN
[   10.764982][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.765142][  T262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.765308][  T262] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.765771][  T262] RSP: 0018:ffa00000007d7190 EFLAGS: 00010286
[   10.765989][  T262] RAX: 00000000ffffffa6 RBX: ff1100000c1c5000 RCX: 1ff40000000fadf8
[   10.766179][  T262] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1c50bc
[   10.766369][  T262] RBP: ff1100000f632000 R08: 1fe2200001838a19 R09: ff1100000fbfae58
[   10.766564][  T262] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.766755][  T262] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.766950][  T262] FS:  00007fd82ce25840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   10.767172][  T262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.767333][  T262] CR2: 0000000025cb4988 CR3: 000000000aa87001 CR4: 0000000000771ef0
[   10.767530][  T262] PKRU: 55555554
[   10.767625][  T262] Call Trace:
[   10.767721][  T262]  <TASK>
[   10.767787][  T262]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.767959][  T262]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.768117][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.768245][  T262]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   10.768371][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.768506][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.768632][  T262]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.768758][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.768889][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.769034][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.769159][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.769286][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.769412][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.769540][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.769666][  T262]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   10.769795][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.769930][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.770054][  T262]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.770179][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.770308][  T262]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   10.770438][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.770566][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.770690][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.770817][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.770949][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.771074][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.771200][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.771327][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.771459][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.771589][  T262]  ? 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))
[   10.771714][  T262]  ? 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))
[   10.771847][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.771975][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.772101][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.772229][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.772358][  T262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.772491][  T262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.772619][  T262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.772746][  T262]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.772881][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.773038][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   10.773166][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.773295][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.773424][  T262]  ___sys_sendmsg (net/socket.c:2752)
[   10.773556][  T262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.773714][  T262]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.773859][  T262]  __sys_sendmsg (net/socket.c:2784)
[   10.773985][  T262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.774111][  T262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.774273][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.774401][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.774537][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.774663][  T262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.774790][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.774926][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.775083][  T262] RIP: 0033:0x7fd82d05f08e
[   10.775215][  T262] 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
[   10.775668][  T262] RSP: 002b:00007ffc1fb890c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.775863][  T262] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd82d05f08e
[   10.776053][  T262] RDX: 0000000000000000 RSI: 00007ffc1fb89170 RDI: 0000000000000005
[   10.776241][  T262] RBP: 00007ffc1fb890d0 R08: 0000000000000000 R09: 0000000000000000
[   10.776428][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8aa
[   10.776620][  T262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1fb89840
| [   10.847313][   T68] ------------[ cut here ]------------
| [   10.847491][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   10.847770][   T68] Modules linked in: vxlan
| [   10.848229][   T68] Tainted: [W]=WARN
[   10.848319][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.848481][   T68] Workqueue: netns cleanup_net
[   10.848613][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.848765][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.849202][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   10.849352][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c1c5e00 RCX: 1ff4000000092eed
[   10.849533][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1c5ebc
[   10.849708][   T68] RBP: ff1100000f15c000 R08: 1fe2200001838bd9 R09: ff1100000915aed0
[   10.849922][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.850098][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.850277][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   10.850486][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.850637][   T68] CR2: 00007fc6e2783000 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   10.850814][   T68] PKRU: 55555554
[   10.850957][   T68] Call Trace:
[   10.851046][   T68]  <TASK>
[   10.851108][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.851258][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.851457][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.851579][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.851699][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.851816][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.851981][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.852100][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.852221][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   10.852338][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.852467][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   10.852587][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.852705][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.852872][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.852990][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.853114][   T68]  process_one_work (kernel/workqueue.c:3314)
[   10.853236][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.853354][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.853483][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.853605][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.853722][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.853889][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.854007][   T68]  kthread (kernel/kthread.c:436)
[   10.854097][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.854243][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.854365][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.854491][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.854638][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.854762][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.854887][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.857317][   T68] ------------[ cut here ]------------
| [   10.857443][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   10.857679][   T68] Modules linked in: vxlan
| [   10.858102][   T68] Tainted: [W]=WARN
[   10.858192][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.858342][   T68] Workqueue: netns cleanup_net
[   10.858470][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.858622][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.859044][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   10.859193][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefa580 RCX: 1ff4000000092eed
[   10.859371][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa63c
[   10.859554][   T68] RBP: ff1100000f279000 R08: 1fe2200001fdf4c9 R09: ff1100000915aed0
[   10.859732][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.859915][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.860092][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   10.860295][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.860447][   T68] CR2: 00007fc6e2783000 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   10.860624][   T68] PKRU: 55555554
[   10.860712][   T68] Call Trace:
[   10.860799][   T68]  <TASK>
[   10.860866][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.861017][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.861164][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.861283][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.861400][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.861525][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.861642][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.861762][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.861887][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   10.862002][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.862124][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   10.862245][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.862362][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.862491][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.862608][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.862728][   T68]  process_one_work (kernel/workqueue.c:3314)
[   10.862856][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.862973][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.863096][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.863220][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.863338][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.863464][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.863582][   T68]  kthread (kernel/kthread.c:436)
[   10.863670][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.863818][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.863986][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.864105][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.864250][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.864368][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.864491][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.866682][   T68] ------------[ cut here ]------------
| [   10.866801][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   10.867493][   T68] Modules linked in: vxlan
| [   10.867928][   T68] Tainted: [W]=WARN
[   10.868017][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.868166][   T68] Workqueue: netns cleanup_net
[   10.868288][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.868445][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.868914][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   10.869062][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefac80 RCX: 1ff4000000092eed
[   10.869283][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefad3c
[   10.869462][   T68] RBP: ff1100000fd39000 R08: 1fe2200001fdf5a9 R09: ff1100000915aed0
[   10.869636][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.869811][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.870033][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   10.870239][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.870390][   T68] CR2: 00007fc6e2783000 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   10.870571][   T68] PKRU: 55555554
[   10.870658][   T68] Call Trace:
[   10.870745][   T68]  <TASK>
[   10.870806][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.871011][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.871160][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.871278][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.871398][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.871520][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.871638][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.871757][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.871921][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   10.872038][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.872157][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   10.872275][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.872392][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.872516][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.872633][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.872752][   T68]  process_one_work (kernel/workqueue.c:3314)
[   10.872920][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.873040][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.873163][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.873282][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.873398][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.873529][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.873646][   T68]  kthread (kernel/kthread.c:436)
[   10.873735][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.873930][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.874048][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.874167][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.874314][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.874431][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.874555][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.877963][   T68] ------------[ cut here ]------------
| [   10.878091][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   10.878330][   T68] Modules linked in: vxlan
| [   10.878720][   T68] Tainted: [W]=WARN
[   10.878810][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.878964][   T68] Workqueue: netns cleanup_net
[   10.879086][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.879240][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.879669][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   10.879827][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefb000 RCX: 1ff4000000092eed
[   10.880006][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefb0bc
[   10.880183][   T68] RBP: ff1100000fd44000 R08: 1fe2200001fdf619 R09: ff1100000915aed0
[   10.880358][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.880541][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.880719][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   10.881028][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.881287][   T68] CR2: 00007fc6e2783000 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   10.881470][   T68] PKRU: 55555554
[   10.881559][   T68] Call Trace:
[   10.881646][   T68]  <TASK>
[   10.881708][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.881949][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.882093][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.882213][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.882332][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.882458][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.882576][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.882695][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.882816][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   10.883027][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.883148][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   10.883272][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.883393][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.883521][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.883637][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.883758][   T68]  process_one_work (kernel/workqueue.c:3314)
[   10.883972][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.884089][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.884212][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.884332][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.884455][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.884578][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.884697][   T68]  kthread (kernel/kthread.c:436)
[   10.884786][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.885026][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.885148][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.885277][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.885423][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.885548][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.885666][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.893186][   T68] ------------[ cut here ]------------
| [   10.893385][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   10.893675][   T68] Modules linked in: vxlan
| [   10.894185][   T68] Tainted: [W]=WARN
[   10.894322][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.894529][   T68] Workqueue: netns cleanup_net
[   10.894700][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.895028][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.895605][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   10.895923][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefb380 RCX: 1ff4000000092eed
[   10.896238][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefb43c
[   10.896562][   T68] RBP: ff11000005279000 R08: 1fe2200001fdf689 R09: ff1100000915aed0
[   10.896892][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.897250][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.897584][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   10.897901][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.898096][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a002 CR4: 0000000000771ef0
[   10.898333][   T68] PKRU: 55555554
[   10.898476][   T68] Call Trace:
[   10.898613][   T68]  <TASK>
[   10.898721][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.898934][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.899132][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.899310][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.899483][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.899650][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.899836][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.900004][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.900176][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   10.900341][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.900536][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   10.900706][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.900885][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.901055][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.901221][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.901390][   T68]  process_one_work (kernel/workqueue.c:3314)
[   10.901571][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.901741][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.901927][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.902095][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.902264][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.902441][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.902607][   T68]  kthread (kernel/kthread.c:436)
[   10.902744][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.902955][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.903123][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.903290][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.903499][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.903667][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.903847][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.922448][   T68] ------------[ cut here ]------------
| [   10.922627][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   10.922945][   T68] Modules linked in: vxlan
| [   10.923511][   T68] Tainted: [W]=WARN
[   10.923652][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.923869][   T68] Workqueue: netns cleanup_net
[   10.924064][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.924281][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.924784][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   10.925001][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefb540 RCX: 1ff4000000092eaf
[   10.925263][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefb5fc
[   10.925506][   T68] RBP: ff1100000790c000 R08: 1fe2200001fdf6c1 R09: ff1100000915aed0
[   10.925739][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   10.925983][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   10.926217][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   10.926495][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.926698][   T68] CR2: 00007ffd0c8e3ed8 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   10.926947][   T68] PKRU: 55555554
[   10.927087][   T68] Call Trace:
[   10.927228][   T68]  <TASK>
[   10.927340][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.927527][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.927672][   T68]  netif_close_many (net/core/dev.c:1804)
[   10.927865][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.928038][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.928210][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.928383][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   10.928568][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   10.928776][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.928996][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.929176][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.929350][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   10.929536][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.929780][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.929985][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.930162][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.930337][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.930527][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.930709][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.930932][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   10.931117][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.931295][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   10.931485][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.931663][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.931859][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.932035][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.932212][   T68]  process_one_work (kernel/workqueue.c:3314)
[   10.932391][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.932576][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.932758][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.932949][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.933133][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.933310][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.933492][   T68]  kthread (kernel/kthread.c:436)
[   10.933637][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.933855][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.934030][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.934205][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.934414][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.934603][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.934778][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.938391][   T68] ------------[ cut here ]------------
| [   10.938573][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   10.938870][   T68] Modules linked in: vxlan
| [   10.939366][   T68] Tainted: [W]=WARN
[   10.939511][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.939708][   T68] Workqueue: netns cleanup_net
[   10.939908][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.940115][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.940610][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   10.940814][   T68] RAX: 00000000ffffffa6 RBX: ff1100000ff6a580 RCX: 1ff4000000092ed5
[   10.941053][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6a63c
[   10.941285][   T68] RBP: ff1100000790c000 R08: 1fe2200001fed4c9 R09: ff1100000915aed0
[   10.941524][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.941751][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.942078][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   10.942387][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.942675][   T68] CR2: 00007ffd0c8e3ed8 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   10.942981][   T68] PKRU: 55555554
[   10.943180][   T68] Call Trace:
[   10.943386][   T68]  <TASK>
[   10.943583][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.943894][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.944147][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.944377][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.944616][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.944852][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.945069][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.945286][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.945512][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   10.945735][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.945971][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   10.946187][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.946404][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.946627][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.946856][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.947074][   T68]  process_one_work (kernel/workqueue.c:3314)
[   10.947294][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.947517][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.947743][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.947975][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.948189][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.948404][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.948633][   T68]  kthread (kernel/kthread.c:436)
[   10.948821][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.949119][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.949336][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.949560][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.949808][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.950037][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.950252][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.062228][  T273] ------------[ cut here ]------------
| [   11.062402][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/273
| [   11.062642][  T273] Modules linked in: vxlan
| [   11.063062][  T273] Tainted: [W]=WARN
[   11.063164][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.063332][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.063512][  T273] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.063986][  T273] RSP: 0018:ffa00000007f7a80 EFLAGS: 00010286
[   11.064154][  T273] RAX: 00000000ffffffa6 RBX: ff1100000ff6b380 RCX: 1ff40000000fef16
[   11.064354][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6b43c
[   11.064557][  T273] RBP: ff1100000fd14000 R08: 1fe2200001fed689 R09: ff11000009c8ae80
[   11.064754][  T273] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.064958][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd14000
[   11.065160][  T273] FS:  00007f34a3b4f840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   11.065396][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.065574][  T273] CR2: 00007f34a3d56430 CR3: 000000000219e004 CR4: 0000000000771ef0
[   11.065775][  T273] PKRU: 55555554
[   11.065882][  T273] Call Trace:
[   11.065981][  T273]  <TASK>
[   11.066052][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.066187][  T273]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.066320][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.066420][  T273]  register_netdevice (net/core/dev.c:11488)
[   11.066561][  T273]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.066731][  T273]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.066869][  T273]  register_netdev (net/core/dev.c:11552)
[   11.067004][  T273]  loopback_net_init (drivers/net/loopback.c:218)
[   11.067142][  T273]  ops_init (net/core/net_namespace.c:137)
[   11.067243][  T273]  setup_net (net/core/net_namespace.c:446)
[   11.067347][  T273]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.067480][  T273]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.067614][  T273]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.067750][  T273]  copy_net_ns (net/core/net_namespace.c:579)
[   11.067892][  T273]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.068027][  T273]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.068159][  T273]  ksys_unshare (kernel/fork.c:3243)
[   11.068292][  T273]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.068425][  T273]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.068569][  T273]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.068704][  T273]  ? __ia32_sys_open (fs/open.c:1374)
[   11.069520][  T273]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.069653][  T273]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.069790][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.069950][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.070083][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.070214][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.070376][  T273] RIP: 0033:0x7f34a3e11bcb
[   11.070519][  T273] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.071022][  T273] RSP: 002b:00007fff9662b958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.071222][  T273] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f34a3e11bcb
[   11.071418][  T273] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.071695][  T273] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.071908][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9662db80
[   11.072103][  T273] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9662f88c
| [   11.076597][  T273] ------------[ cut here ]------------
| [   11.076745][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/273
| [   11.076980][  T273] Modules linked in: vxlan
| [   11.077479][  T273] Tainted: [W]=WARN
[   11.077578][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.077748][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.077922][  T273] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.078400][  T273] RSP: 0018:ffa00000007f7918 EFLAGS: 00010286
[   11.078587][  T273] RAX: 00000000ffffffa6 RBX: ff1100000cddf1c0 RCX: 1ff40000000feee9
[   11.078788][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cddf27c
[   11.079178][  T273] RBP: ff11000004f89000 R08: 1fe22000019bbe51 R09: ff11000009c8ae80
[   11.079376][  T273] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.079577][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f89000
[   11.079781][  T273] FS:  00007f34a3b4f840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   11.080016][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.080183][  T273] CR2: 00007f34a3d56430 CR3: 000000000219e004 CR4: 0000000000771ef0
[   11.080381][  T273] PKRU: 55555554
[   11.080484][  T273] Call Trace:
[   11.080581][  T273]  <TASK>
[   11.080650][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.080781][  T273]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.080919][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.081021][  T273]  register_netdevice (net/core/dev.c:11488)
[   11.081153][  T273]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.081316][  T273]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.081453][  T273]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.081586][  T273]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.081715][  T273]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.081851][  T273]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.081984][  T273]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.082116][  T273]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.082248][  T273]  ops_init (net/core/net_namespace.c:137)
[   11.082348][  T273]  setup_net (net/core/net_namespace.c:446)
[   11.082451][  T273]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.082581][  T273]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.082717][  T273]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.082857][  T273]  copy_net_ns (net/core/net_namespace.c:579)
[   11.082989][  T273]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.083121][  T273]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.083250][  T273]  ksys_unshare (kernel/fork.c:3243)
[   11.083381][  T273]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.083515][  T273]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.083645][  T273]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.083783][  T273]  ? __ia32_sys_open (fs/open.c:1374)
[   11.083921][  T273]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.084050][  T273]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.084178][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.084307][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.084442][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.084574][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.084742][  T273] RIP: 0033:0x7f34a3e11bcb
[   11.084884][  T273] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.085353][  T273] RSP: 002b:00007fff9662b958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.085555][  T273] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f34a3e11bcb
[   11.085752][  T273] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.085953][  T273] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.086146][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9662db80
[   11.086340][  T273] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9662f88c
| [   11.090257][  T273] ------------[ cut here ]------------
| [   11.090396][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/273
| [   11.090634][  T273] Modules linked in: vxlan
| [   11.091053][  T273] Tainted: [W]=WARN
[   11.091157][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.091323][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.091500][  T273] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.091977][  T273] RSP: 0018:ffa00000007f78f8 EFLAGS: 00010286
[   11.092144][  T273] RAX: 00000000ffffffa6 RBX: ff1100000cdde200 RCX: 1ff40000000feee5
[   11.092343][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdde2bc
[   11.092549][  T273] RBP: ff1100000f211000 R08: 1fe22000019bbc59 R09: ff11000009c8ae80
[   11.092744][  T273] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.092945][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f211000
[   11.093142][  T273] FS:  00007f34a3b4f840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   11.093375][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.093545][  T273] CR2: 00007f34a3d56430 CR3: 000000000219e004 CR4: 0000000000771ef0
[   11.093743][  T273] PKRU: 55555554
[   11.093847][  T273] Call Trace:
[   11.093944][  T273]  <TASK>
[   11.094012][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.094144][  T273]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.094278][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.094378][  T273]  register_netdevice (net/core/dev.c:11488)
[   11.094516][  T273]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.094679][  T273]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.094812][  T273]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.094949][  T273]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.095080][  T273]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.095218][  T273]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.095351][  T273]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.095490][  T273]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.095621][  T273]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.095760][  T273]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.095897][  T273]  ops_init (net/core/net_namespace.c:137)
[   11.095999][  T273]  setup_net (net/core/net_namespace.c:446)
[   11.096101][  T273]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.096235][  T273]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.096368][  T273]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.096509][  T273]  copy_net_ns (net/core/net_namespace.c:579)
[   11.096642][  T273]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.096778][  T273]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.096917][  T273]  ksys_unshare (kernel/fork.c:3243)
[   11.097050][  T273]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.097184][  T273]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.097315][  T273]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.097457][  T273]  ? __ia32_sys_open (fs/open.c:1374)
[   11.097592][  T273]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.097725][  T273]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.097862][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.097992][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.098128][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.098264][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.098427][  T273] RIP: 0033:0x7f34a3e11bcb
[   11.098570][  T273] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.099037][  T273] RSP: 002b:00007fff9662b958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.099238][  T273] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f34a3e11bcb
[   11.099444][  T273] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.099643][  T273] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.099849][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9662db80
[   11.100048][  T273] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9662f88c
| [   11.104127][  T273] ------------[ cut here ]------------
| [   11.104274][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/273
| [   11.104509][  T273] Modules linked in: vxlan
| [   11.104912][  T273] Tainted: [W]=WARN
[   11.105010][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.105178][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.105346][  T273] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.105810][  T273] RSP: 0018:ffa00000007f7a78 EFLAGS: 00010286
[   11.105989][  T273] RAX: 00000000ffffffa6 RBX: ff1100000a1b2580 RCX: 1ff40000000fef15
[   11.106188][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b263c
[   11.106384][  T273] RBP: ff1100000f009000 R08: 1fe22000014364c9 R09: ff11000009c8ae80
[   11.106585][  T273] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.106779][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f009000
[   11.106985][  T273] FS:  00007f34a3b4f840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   11.107213][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.107377][  T273] CR2: 00007f34a3d56430 CR3: 000000000219e004 CR4: 0000000000771ef0
[   11.107577][  T273] PKRU: 55555554
[   11.107674][  T273] Call Trace:
[   11.107776][  T273]  <TASK>
[   11.107848][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.107980][  T273]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.108111][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.108210][  T273]  register_netdevice (net/core/dev.c:11488)
[   11.108341][  T273]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.108507][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.108646][  T273]  register_netdev (net/core/dev.c:11552)
[   11.108778][  T273]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.108915][  T273]  ops_init (net/core/net_namespace.c:137)
[   11.109015][  T273]  setup_net (net/core/net_namespace.c:446)
[   11.109115][  T273]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.109243][  T273]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.109374][  T273]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.109511][  T273]  copy_net_ns (net/core/net_namespace.c:579)
[   11.109643][  T273]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.109775][  T273]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.109910][  T273]  ksys_unshare (kernel/fork.c:3243)
[   11.110041][  T273]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.110172][  T273]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.110303][  T273]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.110440][  T273]  ? __ia32_sys_open (fs/open.c:1374)
[   11.110573][  T273]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.110703][  T273]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.110836][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.110966][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.111095][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.111225][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.111392][  T273] RIP: 0033:0x7f34a3e11bcb
[   11.111533][  T273] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.111999][  T273] RSP: 002b:00007fff9662b958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.112194][  T273] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f34a3e11bcb
[   11.112400][  T273] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.112600][  T273] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.112794][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9662db80
[   11.112994][  T273] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9662f88c
| [   11.118195][  T273] ------------[ cut here ]------------
| [   11.118344][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/273
| [   11.118584][  T273] Modules linked in: vxlan
| [   11.118999][  T273] Tainted: [W]=WARN
[   11.119097][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.119261][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.119429][  T273] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.119909][  T273] RSP: 0018:ffa00000007f7a68 EFLAGS: 00010286
[   11.120073][  T273] RAX: 00000000ffffffa6 RBX: ff1100000cde6e40 RCX: 1ff40000000fef13
[   11.120273][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde6efc
[   11.120474][  T273] RBP: ff1100000f0dc000 R08: 1fe22000019bcde1 R09: ff11000009c8ae80
[   11.120672][  T273] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.120869][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0dc000
[   11.121064][  T273] FS:  00007f34a3b4f840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   11.121299][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.121470][  T273] CR2: 000055bc7d569d5c CR3: 000000000219e001 CR4: 0000000000771ef0
[   11.121666][  T273] PKRU: 55555554
[   11.121765][  T273] Call Trace:
[   11.121867][  T273]  <TASK>
[   11.121934][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.122064][  T273]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.122197][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.122298][  T273]  register_netdevice (net/core/dev.c:11488)
[   11.122429][  T273]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.122601][  T273]  register_netdev (net/core/dev.c:11552)
[   11.122730][  T273]  sit_init_net (net/ipv6/sit.c:1860)
[   11.122867][  T273]  ops_init (net/core/net_namespace.c:137)
[   11.122967][  T273]  setup_net (net/core/net_namespace.c:446)
[   11.123066][  T273]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.123198][  T273]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.123329][  T273]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.123467][  T273]  copy_net_ns (net/core/net_namespace.c:579)
[   11.123604][  T273]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.123741][  T273]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.123878][  T273]  ksys_unshare (kernel/fork.c:3243)
[   11.124007][  T273]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.124141][  T273]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.124276][  T273]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.124408][  T273]  ? __ia32_sys_open (fs/open.c:1374)
[   11.124545][  T273]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.124676][  T273]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.124805][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.124939][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.125074][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.125207][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.125368][  T273] RIP: 0033:0x7f34a3e11bcb
[   11.125510][  T273] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.125990][  T273] RSP: 002b:00007fff9662b958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.126191][  T273] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f34a3e11bcb
[   11.126383][  T273] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.126577][  T273] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.126770][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9662db80
[   11.126972][  T273] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9662f88c
| [   11.131695][  T273] ------------[ cut here ]------------
| [   11.131842][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/273
| [   11.132071][  T273] Modules linked in: vxlan
| [   11.132481][  T273] Tainted: [W]=WARN
[   11.132580][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.132746][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.132925][  T273] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.133401][  T273] RSP: 0018:ffa00000007f7a78 EFLAGS: 00010286
[   11.133573][  T273] RAX: 00000000ffffffa6 RBX: ff1100000cb6f380 RCX: 1ff40000000fef15
[   11.133774][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb6f43c
[   11.134493][  T273] RBP: ff11000004ed9000 R08: 1fe220000196de89 R09: ff11000009c8ae80
[   11.134691][  T273] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.134943][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004ed9000
[   11.135197][  T273] FS:  00007f34a3b4f840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   11.135439][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.135611][  T273] CR2: 000055bc7d569d5c CR3: 000000000219e001 CR4: 0000000000771ef0
[   11.135809][  T273] PKRU: 55555554
[   11.135961][  T273] Call Trace:
[   11.136058][  T273]  <TASK>
[   11.136128][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.136260][  T273]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.136390][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.136494][  T273]  register_netdevice (net/core/dev.c:11488)
[   11.136627][  T273]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.136788][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.136977][  T273]  register_netdev (net/core/dev.c:11552)
[   11.137110][  T273]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.137243][  T273]  ops_init (net/core/net_namespace.c:137)
[   11.137344][  T273]  setup_net (net/core/net_namespace.c:446)
[   11.137449][  T273]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.137579][  T273]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.137710][  T273]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.137907][  T273]  copy_net_ns (net/core/net_namespace.c:579)
[   11.138041][  T273]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.138174][  T273]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.138305][  T273]  ksys_unshare (kernel/fork.c:3243)
[   11.138436][  T273]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.138568][  T273]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.138701][  T273]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.138887][  T273]  ? __ia32_sys_open (fs/open.c:1374)
[   11.139023][  T273]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.139153][  T273]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.139283][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.139413][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.139548][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.139677][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.139895][  T273] RIP: 0033:0x7f34a3e11bcb
[   11.140031][  T273] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.140503][  T273] RSP: 002b:00007fff9662b958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.140705][  T273] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f34a3e11bcb
[   11.140954][  T273] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.141150][  T273] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.141351][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9662db80
[   11.141553][  T273] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9662f88c
| [   11.178315][  T274] ------------[ cut here ]------------
| [   11.178472][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/274
| [   11.178706][  T274] Modules linked in: vxlan
| [   11.179122][  T274] Tainted: [W]=WARN
[   11.179220][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.179384][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.179561][  T274] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.180038][  T274] RSP: 0018:ffa00000007f7020 EFLAGS: 00010286
[   11.180202][  T274] RAX: 00000000ffffffa6 RBX: ff1100000cd8b000 RCX: 1ff40000000fedca
[   11.180403][  T274] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8b0bc
[   11.180609][  T274] RBP: ff1100000fd14000 R08: 1fe22000019b1619 R09: ff11000009c8d158
[   11.180809][  T274] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.181010][  T274] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.181226][  T274] FS:  00007f69eeea5840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   11.181463][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.181631][  T274] CR2: 00000000159e5988 CR3: 0000000008df1003 CR4: 0000000000771ef0
[   11.181831][  T274] PKRU: 55555554
[   11.181934][  T274] Call Trace:
[   11.182031][  T274]  <TASK>
[   11.182104][  T274]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.182242][  T274]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.182341][  T274]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.182477][  T274]  __dev_notify_flags (net/core/dev.c:9787)
[   11.182608][  T274]  ? netif_change_name (net/core/dev.c:1495)
[   11.182739][  T274]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.182876][  T274]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.183006][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.183140][  T274]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.183277][  T274]  netif_change_flags (net/core/dev.c:9820)
[   11.183409][  T274]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.183543][  T274]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.183675][  T274]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.183807][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.183977][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.184110][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.184239][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.184369][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.184508][  T274]  ? __kernel_text_address (kernel/extable.c:79)
[   11.184644][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.184775][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.184912][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.185044][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.185175][  T274]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.185305][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.185445][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.185576][  T274]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.185707][  T274]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.185844][  T274]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.185977][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.186107][  T274]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.186240][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.186379][  T274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.186521][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.186655][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.186784][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.186944][  T274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.187073][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.187205][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.187335][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.187470][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.187600][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.187731][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.187868][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.187999][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.188130][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.188260][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.188396][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.188532][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.188667][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.188799][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.188934][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.189068][  T274]  ? 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))
[   11.189201][  T274]  ? 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))
[   11.189335][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.189473][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.189605][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.189736][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.189871][  T274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.190002][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.190137][  T274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.190268][  T274]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.190399][  T274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.190567][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   11.190698][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.190834][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.190967][  T274]  ___sys_sendmsg (net/socket.c:2752)
[   11.191099][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.191264][  T274]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.191408][  T274]  __sys_sendmsg (net/socket.c:2784)
[   11.191546][  T274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.191675][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.191842][  T274]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.191972][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.192106][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.192236][  T274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.192373][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.192510][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.192671][  T274] RIP: 0033:0x7f69ef0df08e
[   11.192808][  T274] 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
[   11.193283][  T274] RSP: 002b:00007ffef4517cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.193492][  T274] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f69ef0df08e
[   11.193692][  T274] RDX: 0000000000000000 RSI: 00007ffef4517da0 RDI: 0000000000000005
[   11.193893][  T274] RBP: 00007ffef4517d00 R08: 0000000000000000 R09: 0000000000000000
[   11.194090][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8aa
[   11.194286][  T274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef4518470
| [   11.306470][  T277] ------------[ cut here ]------------
| [   11.306636][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/277
| [   11.306894][  T277] Modules linked in: vxlan
| [   11.307328][  T277] Tainted: [W]=WARN
[   11.307438][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.307617][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.307803][  T277] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.308311][  T277] RSP: 0018:ffa0000000816fd0 EFLAGS: 00010286
[   11.308494][  T277] RAX: 00000000ffffffa6 RBX: ff1100000d1c8200 RCX: 1ff4000000102dc0
[   11.308702][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1c82bc
[   11.308919][  T277] RBP: ff1100000f362000 R08: 1fe2200001a39059 R09: ff11000009c70b80
[   11.309127][  T277] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.309335][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f362e44
[   11.309551][  T277] FS:  00007f0a5ab62840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   11.309796][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.309975][  T277] CR2: 00007f0a5ad5b460 CR3: 000000000f6df006 CR4: 0000000000771ef0
[   11.310184][  T277] PKRU: 55555554
[   11.310292][  T277] Call Trace:
[   11.310397][  T277]  <TASK>
[   11.310476][  T277]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.310617][  T277]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   11.310764][  T277]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.310875][  T277]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   11.311023][  T277]  __dev_notify_flags (net/core/dev.c:9787)
[   11.311166][  T277]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.311310][  T277]  ? netif_change_name (net/core/dev.c:1495)
[   11.311461][  T277]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   11.311606][  T277]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.311749][  T277] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   11.311905][  T277]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   11.312051][  T277] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   11.312196][  T277]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   11.312342][  T277]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.312486][  T277]  ? nla_strscpy (lib/nlattr.c:795)
[   11.312627][  T277]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.312772][  T277]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.312918][  T277]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.313059][  T277]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.313205][  T277]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.313351][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.313499][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.313640][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.313783][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.313930][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.314070][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.314215][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.314357][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.314504][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.314644][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.314784][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.314931][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.315074][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.315214][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.315355][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.315504][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.315644][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.315790][  T277]  ? 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))
[   11.315939][  T277]  ? 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))
[   11.316082][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.316222][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.316362][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.316510][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.316652][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.316793][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.316946][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.317088][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.317228][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.317402][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   11.317552][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   11.317693][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.317837][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.317993][  T277]  ? 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))
[   11.318138][  T277]  __sys_sendmsg (net/socket.c:2784)
[   11.318281][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.318424][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.318571][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.318713][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.318860][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.319000][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.319141][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.319318][  T277] RIP: 0033:0x7f0a5ad9c08e
[   11.319470][  T277] 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
[   11.319982][  T277] RSP: 002b:00007ffe696b07f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.320195][  T277] RAX: ffffffffffffffda RBX: 00007ffe696b0fa0 RCX: 00007f0a5ad9c08e
[   11.320407][  T277] RDX: 0000000000000000 RSI: 00007ffe696b08a0 RDI: 0000000000000005
[   11.320620][  T277] RBP: 00007ffe696b0800 R08: 0000000000000000 R09: 0000000000000000
[   11.320835][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8aa
[   11.321053][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe696b0f70
| [   11.379729][  T278] ------------[ cut here ]------------
| [   11.380040][  T278] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/278
| [   11.380481][  T278] Modules linked in: vxlan
| [   11.381446][  T278] Tainted: [W]=WARN
[   11.381661][  T278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.382132][  T278] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.382594][  T278] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.383470][  T278] RSP: 0018:ffa0000000826fd0 EFLAGS: 00010286
[   11.383704][  T278] RAX: 00000000ffffffa6 RBX: ff1100000ca80e40 RCX: 1ff4000000104dc0
[   11.384075][  T278] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca80efc
[   11.384479][  T278] RBP: ff1100000f572000 R08: 1fe22000019501e1 R09: ff1100000e7f2e80
[   11.384873][  T278] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.385157][  T278] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f572e44
[   11.385420][  T278] FS:  00007f6461d3b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   11.385731][  T278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.385973][  T278] CR2: 0000000000437490 CR3: 000000000f2a9001 CR4: 0000000000771ef0
[   11.386236][  T278] PKRU: 55555554
[   11.386394][  T278] Call Trace:
[   11.386558][  T278]  <TASK>
[   11.386681][  T278]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.386889][  T278]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   11.387086][  T278]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.387245][  T278]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   11.387446][  T278]  __dev_notify_flags (net/core/dev.c:9787)
[   11.387639][  T278]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.387848][  T278]  ? netif_change_name (net/core/dev.c:1495)
[   11.388041][  T278]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   11.388236][  T278]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.388430][  T278] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   11.388635][  T278]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   11.388912][  T278] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   11.389188][  T278]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   11.389461][  T278]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.389728][  T278]  ? nla_strscpy (lib/nlattr.c:795)
[   11.389983][  T278]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.390177][  T278]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.390367][  T278]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.390570][  T278]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.390770][  T278]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.390982][  T278]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.391177][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.391366][  T278]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.391572][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.391764][  T278]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.391965][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.392160][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.392356][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.392555][  T278]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.392745][  T278]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.392945][  T278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.393135][  T278]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.393326][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.393519][  T278]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.393712][  T278]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.393920][  T278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.394110][  T278]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.394302][  T278]  ? 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))
[   11.394500][  T278]  ? 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))
[   11.394694][  T278]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.394900][  T278]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.395089][  T278]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.395279][  T278]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.395483][  T278]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.395674][  T278]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.395876][  T278]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.396069][  T278]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.396258][  T278]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.396485][  T278]  ? move_addr_to_kernel (net/socket.c:258)
[   11.396681][  T278]  ___sys_sendmsg (net/socket.c:2752)
[   11.396888][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.397078][  T278]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.397276][  T278]  ? 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))
[   11.397473][  T278]  __sys_sendmsg (net/socket.c:2784)
[   11.397663][  T278]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.397870][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.398062][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.398255][  T278]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.398452][  T278]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.398648][  T278]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.398850][  T278]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.399073][  T278] RIP: 0033:0x7f6461f7508e
[   11.399269][  T278] 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
[   11.399845][  T278] RSP: 002b:00007fff99b28e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.400105][  T278] RAX: ffffffffffffffda RBX: 00007fff99b29610 RCX: 00007f6461f7508e
[   11.400363][  T278] RDX: 0000000000000000 RSI: 00007fff99b28f10 RDI: 0000000000000005
[   11.400631][  T278] RBP: 00007fff99b28e70 R08: 0000000000000000 R09: 0000000000000000
[   11.400906][  T278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8aa
[   11.401163][  T278] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff99b295e0
| [   11.430428][  T279] ------------[ cut here ]------------
| [   11.430621][  T279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/279
| [   11.431601][  T279] Modules linked in: vxlan
| [   11.432278][  T279] Tainted: [W]=WARN
[   11.432497][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.432783][  T279] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.433019][  T279] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.433550][  T279] RSP: 0018:ffa00000008371b0 EFLAGS: 00010286
[   11.433778][  T279] RAX: 00000000ffffffa6 RBX: ff1100000c4058c0 RCX: 1ff4000000106dfc
[   11.434045][  T279] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c40597c
[   11.434293][  T279] RBP: ff1100000fbd2000 R08: 1fe2200001880b31 R09: ff1100000aaa2e80
[   11.434548][  T279] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.434797][  T279] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   11.435063][  T279] FS:  00007efc992cf840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   11.435347][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.435573][  T279] CR2: 00007efc994c8460 CR3: 0000000004cdb004 CR4: 0000000000771ef0
[   11.435837][  T279] PKRU: 55555554
[   11.435984][  T279] Call Trace:
[   11.436133][  T279]  <TASK>
[   11.436251][  T279]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.436447][  T279]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.436600][  T279]  __dev_notify_flags (net/core/dev.c:9787)
[   11.436784][  T279]  ? netif_change_name (net/core/dev.c:1495)
[   11.437008][  T279]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.437223][  T279]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.437409][  T279]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.437605][  T279]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   11.437789][  T279]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.437985][  T279]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.438167][  T279]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.438350][  T279]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.438550][  T279]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.438737][  T279]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.438934][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.439119][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.439303][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.439494][  T279]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.439679][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.439879][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.440065][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.440249][  T279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.440432][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.440625][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.440809][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.441006][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.441188][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.441372][  T279]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.441566][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.441751][  T279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.441949][  T279]  ? 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))
[   11.442133][  T279]  ? 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))
[   11.442318][  T279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.442510][  T279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.442693][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.442892][  T279]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.443076][  T279]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.443258][  T279]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.443453][  T279]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.443638][  T279]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.443833][  T279]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.444044][  T279]  ? move_addr_to_kernel (net/socket.c:258)
[   11.444231][  T279]  ___sys_sendmsg (net/socket.c:2752)
[   11.444411][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.444604][  T279]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.444799][  T279]  ? 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))
[   11.444997][  T279]  __sys_sendmsg (net/socket.c:2784)
[   11.445180][  T279]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.445367][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.445559][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.445746][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.445939][  T279]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.446121][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.446306][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.446528][  T279] RIP: 0033:0x7efc9950908e
[   11.446718][  T279] 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
[   11.447258][  T279] RSP: 002b:00007fff0d2dcef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.447517][  T279] RAX: ffffffffffffffda RBX: 00007fff0d2dd698 RCX: 00007efc9950908e
[   11.447767][  T279] RDX: 0000000000000000 RSI: 00007fff0d2dcfa0 RDI: 0000000000000005
[   11.448030][  T279] RBP: 00007fff0d2dcf00 R08: 0000000000000000 R09: 0000000000000000
[   11.448277][  T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8aa
[   11.448538][  T279] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0d2dd670
| [   11.481619][  T280] ------------[ cut here ]------------
| [   11.481771][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/280
| [   11.482012][  T280] Modules linked in: vxlan
| [   11.482421][  T280] Tainted: [W]=WARN
[   11.482532][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.482700][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.482880][  T280] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.483354][  T280] RSP: 0018:ffa00000008371b0 EFLAGS: 00010286
[   11.483532][  T280] RAX: 00000000ffffffa6 RBX: ff1100000a1b23c0 RCX: 1ff4000000106dfc
[   11.483732][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b247c
[   11.483934][  T280] RBP: ff1100000539a000 R08: 1fe2200001436491 R09: ff1100000aaa5180
[   11.484132][  T280] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.484333][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   11.484543][  T280] FS:  00007fc9c83b6840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   11.484776][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.484951][  T280] CR2: 00007fc9c85af460 CR3: 000000000f087005 CR4: 0000000000771ef0
[   11.485151][  T280] PKRU: 55555554
[   11.485253][  T280] Call Trace:
[   11.485353][  T280]  <TASK>
[   11.485421][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.485566][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.485669][  T280]  __dev_notify_flags (net/core/dev.c:9787)
[   11.485804][  T280]  ? netif_change_name (net/core/dev.c:1495)
[   11.486442][  T280]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.486609][  T280]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.486747][  T280]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.486887][  T280]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   11.487024][  T280]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.487160][  T280]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.487295][  T280]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.487429][  T280]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.487575][  T280]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.487714][  T280]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.487857][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.487989][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.488122][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.488254][  T280]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.488387][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.488531][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.488666][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.488804][  T280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.488943][  T280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.489076][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.489208][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.489343][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.489482][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.489617][  T280]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.489750][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.489890][  T280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.490028][  T280]  ? 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))
[   11.490160][  T280]  ? 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))
[   11.490296][  T280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.490430][  T280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.490569][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.490704][  T280]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.490846][  T280]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.490980][  T280]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.491115][  T280]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.491250][  T280]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.491382][  T280]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.491551][  T280]  ? move_addr_to_kernel (net/socket.c:258)
[   11.491689][  T280]  ___sys_sendmsg (net/socket.c:2752)
[   11.491827][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.491963][  T280]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.492106][  T280]  ? 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))
[   11.492242][  T280]  __sys_sendmsg (net/socket.c:2784)
[   11.492375][  T280]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.492528][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.492660][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.492793][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.492934][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.493068][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.493202][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.493366][  T280] RIP: 0033:0x7fc9c85f008e
[   11.493511][  T280] 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
[   11.493994][  T280] RSP: 002b:00007ffcb66f1130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.494196][  T280] RAX: ffffffffffffffda RBX: 00007ffcb66f18d8 RCX: 00007fc9c85f008e
[   11.494395][  T280] RDX: 0000000000000000 RSI: 00007ffcb66f11e0 RDI: 0000000000000005
[   11.494601][  T280] RBP: 00007ffcb66f1140 R08: 0000000000000000 R09: 0000000000000000
[   11.494802][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8aa
[   11.495005][  T280] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb66f18b0
| [   11.989260][  T310] ------------[ cut here ]------------
| [   11.989421][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/310
| [   11.989657][  T310] Modules linked in: vxlan
| [   11.990055][  T310] Tainted: [W]=WARN
[   11.990152][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.990310][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.990481][  T310] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.990935][  T310] RSP: 0018:ffa00000007e7190 EFLAGS: 00010286
[   11.991094][  T310] RAX: 00000000ffffffa6 RBX: ff1100000c786900 RCX: 1ff40000000fcdf8
[   11.991280][  T310] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7869bc
[   11.991473][  T310] RBP: ff1100000539a000 R08: 1fe22000018f0d39 R09: ff11000004d78b58
[   11.991660][  T310] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.991852][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.992046][  T310] FS:  00007fcbac1f5840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   11.992267][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.992425][  T310] CR2: 000000001d07d988 CR3: 000000000990f002 CR4: 0000000000771ef0
[   11.992620][  T310] PKRU: 55555554
[   11.992715][  T310] Call Trace:
[   11.992811][  T310]  <TASK>
[   11.992882][  T310]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.993046][  T310]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.993201][  T310]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.993329][  T310]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.993462][  T310]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.993621][  T310]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   11.993748][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.993883][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.994008][  T310]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.994135][  T310]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.994260][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.994408][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.994539][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.994667][  T310]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.994793][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.995508][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.995636][  T310]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   11.995764][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.995959][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.996134][  T310]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.996265][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.996395][  T310]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.996530][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.996657][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.996781][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.996915][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.997042][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.997165][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.997293][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.997419][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.997552][  T310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.997681][  T310]  ? 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))
[   11.997806][  T310]  ? 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))
[   11.997943][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.998070][  T310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.998195][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.998322][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.998455][  T310]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.998585][  T310]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.998713][  T310]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.998844][  T310]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.998968][  T310]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.999124][  T310]  ? move_addr_to_kernel (net/socket.c:258)
[   11.999250][  T310]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.999376][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.999510][  T310]  ___sys_sendmsg (net/socket.c:2752)
[   11.999634][  T310]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.999789][  T310]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.999934][  T310]  __sys_sendmsg (net/socket.c:2784)
[   12.000059][  T310]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.000183][  T310]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.000339][  T310]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.000468][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.000599][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.000726][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.000859][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.000985][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.001140][  T310] RIP: 0033:0x7fcbac42f08e
[   12.001274][  T310] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.001727][  T310] RSP: 002b:00007ffdc2efc300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.001922][  T310] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcbac42f08e
[   12.002110][  T310] RDX: 0000000000000000 RSI: 00007ffdc2efc3b0 RDI: 0000000000000005
[   12.002297][  T310] RBP: 00007ffdc2efc310 R08: 0000000000000000 R09: 0000000000000000
[   12.002492][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ab
[   12.002679][  T310] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc2efca80
| [   12.063831][  T311] ------------[ cut here ]------------
| [   12.063988][  T311] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/311
| [   12.064218][  T311] Modules linked in: vxlan
| [   12.064619][  T311] Tainted: [W]=WARN
[   12.064715][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.064882][  T311] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.065051][  T311] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.065504][  T311] RSP: 0018:ffa0000000a17190 EFLAGS: 00010286
[   12.065664][  T311] RAX: 00000000ffffffa6 RBX: ff1100000c404580 RCX: 1ff4000000142df8
[   12.065854][  T311] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c40463c
[   12.066042][  T311] RBP: ff1100000fbd2000 R08: 1fe22000018808c9 R09: ff11000004d7ae58
[   12.066229][  T311] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.066414][  T311] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.066609][  T311] FS:  00007f0b69135840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   12.066835][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.066994][  T311] CR2: 000000001578d988 CR3: 000000000f776005 CR4: 0000000000771ef0
[   12.067182][  T311] PKRU: 55555554
[   12.067276][  T311] Call Trace:
[   12.067370][  T311]  <TASK>
[   12.067440][  T311]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.067602][  T311]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.067759][  T311]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.067898][  T311]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.068023][  T311]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.068183][  T311]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.068309][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.068433][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.068565][  T311]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.068692][  T311]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.068817][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.068964][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.069089][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.069214][  T311]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.069339][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.069467][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.069594][  T311]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   12.069722][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.069987][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.070114][  T311]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.070239][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.070363][  T311]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.070494][  T311]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.070619][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.070745][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.070934][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.071105][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.071228][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.071354][  T311]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.071484][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.071608][  T311]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.071736][  T311]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.071877][  T311]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.072005][  T311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.072131][  T311]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.072257][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.072383][  T311]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.072512][  T311]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.072638][  T311]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.072768][  T311]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.072896][  T311]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.073020][  T311]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.073174][  T311]  ? move_addr_to_kernel (net/socket.c:258)
[   12.073302][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.073429][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.073562][  T311]  ___sys_sendmsg (net/socket.c:2752)
[   12.073689][  T311]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.073850][  T311]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.073988][  T311]  __sys_sendmsg (net/socket.c:2784)
[   12.074114][  T311]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.074239][  T311]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.074398][  T311]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.074531][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.074661][  T311]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.074788][  T311]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.074924][  T311]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.075050][  T311]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.075211][  T311] RIP: 0033:0x7f0b6936f08e
[   12.075346][  T311] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.075798][  T311] RSP: 002b:00007ffe14b75550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.075990][  T311] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0b6936f08e
[   12.076176][  T311] RDX: 0000000000000000 RSI: 00007ffe14b75600 RDI: 0000000000000005
[   12.076361][  T311] RBP: 00007ffe14b75560 R08: 0000000000000000 R09: 0000000000000000
[   12.076554][  T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ab
[   12.076740][  T311] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe14b75cd0
| [   12.110949][  T312] ------------[ cut here ]------------
| [   12.111097][  T312] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/312
| [   12.111320][  T312] Modules linked in: vxlan
| [   12.111708][  T312] Tainted: [W]=WARN
[   12.111802][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.111964][  T312] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.112126][  T312] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.112569][  T312] RSP: 0018:ffa00000009c7190 EFLAGS: 00010286
[   12.112726][  T312] RAX: 00000000ffffffa6 RBX: ff1100000290da80 RCX: 1ff4000000138df8
[   12.112917][  T312] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290db3c
[   12.113106][  T312] RBP: ff1100000f572000 R08: 1fe2200000521b69 R09: ff11000004d7d158
[   12.113289][  T312] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.113478][  T312] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.113664][  T312] FS:  00007f847b6f0840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   12.113892][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.114048][  T312] CR2: 00007f847b9c01a0 CR3: 000000000f771001 CR4: 0000000000771ef0
[   12.114235][  T312] PKRU: 55555554
[   12.114329][  T312] Call Trace:
[   12.114424][  T312]  <TASK>
[   12.114494][  T312]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.114653][  T312]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.114810][  T312]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.114943][  T312]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.115067][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.115192][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.115315][  T312]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.115443][  T312]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.115569][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.115712][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.115843][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.115967][  T312]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.116092][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.116215][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.116340][  T312]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   12.116473][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.116598][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.116723][  T312]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.116853][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.116979][  T312]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.117104][  T312]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.117227][  T312]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.117352][  T312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.117480][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.117605][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.117727][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.118419][  T312]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.118550][  T312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.118674][  T312]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.118800][  T312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.118980][  T312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.119106][  T312]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.119230][  T312]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.119353][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.119483][  T312]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.119608][  T312]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.119733][  T312]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.119917][  T312]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.120048][  T312]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.120171][  T312]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.120325][  T312]  ? move_addr_to_kernel (net/socket.c:258)
[   12.120454][  T312]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.120602][  T312]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.120726][  T312]  ___sys_sendmsg (net/socket.c:2752)
[   12.120855][  T312]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.121009][  T312]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.121144][  T312]  __sys_sendmsg (net/socket.c:2784)
[   12.121270][  T312]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.121392][  T312]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.121552][  T312]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.121676][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.121806][  T312]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.121939][  T312]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.122062][  T312]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.122186][  T312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.122340][  T312] RIP: 0033:0x7f847b92a08e
[   12.122475][  T312] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.122923][  T312] RSP: 002b:00007fff568fdac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.123109][  T312] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f847b92a08e
[   12.123294][  T312] RDX: 0000000000000000 RSI: 00007fff568fdb70 RDI: 0000000000000005
[   12.123485][  T312] RBP: 00007fff568fdad0 R08: 0000000000000000 R09: 0000000000000000
[   12.123670][  T312] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ab
[   12.123866][  T312] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff568fe240
| [   12.171914][  T313] ------------[ cut here ]------------
| [   12.172064][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/313
| [   12.172287][  T313] Modules linked in: vxlan
| [   12.172681][  T313] Tainted: [W]=WARN
[   12.172776][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.173087][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.173252][  T313] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.173708][  T313] RSP: 0018:ffa0000000a47190 EFLAGS: 00010286
[   12.173875][  T313] RAX: 00000000ffffffa6 RBX: ff1100000c49a580 RCX: 1ff4000000148df8
[   12.174061][  T313] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c49a63c
[   12.174246][  T313] RBP: ff1100000f362000 R08: 1fe22000018934c9 R09: ff1100000e64ae58
[   12.174430][  T313] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.174621][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.174809][  T313] FS:  00007fc05a7ad840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   12.175035][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.175191][  T313] CR2: 000000001db2d988 CR3: 00000000095c7001 CR4: 0000000000771ef0
[   12.175376][  T313] PKRU: 55555554
[   12.175476][  T313] Call Trace:
[   12.175570][  T313]  <TASK>
[   12.175635][  T313]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.175795][  T313]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.175954][  T313]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.176081][  T313]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.176209][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.176331][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.176460][  T313]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.176585][  T313]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.176709][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.176853][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.176977][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.177100][  T313]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.177223][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.177347][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.177478][  T313]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   12.177604][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.177728][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.177857][  T313]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.177981][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.178112][  T313]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.178238][  T313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.178363][  T313]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.178492][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.178616][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.178741][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.178867][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.178996][  T313]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.179121][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.179245][  T313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.179374][  T313]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.179504][  T313]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.179630][  T313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.179756][  T313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.179891][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.180017][  T313]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.180142][  T313]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.180269][  T313]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.180395][  T313]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.180525][  T313]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.180649][  T313]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.180805][  T313]  ? move_addr_to_kernel (net/socket.c:258)
[   12.180936][  T313]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.181062][  T313]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.181190][  T313]  ___sys_sendmsg (net/socket.c:2752)
[   12.181314][  T313]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.181473][  T313]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.181610][  T313]  __sys_sendmsg (net/socket.c:2784)
[   12.181733][  T313]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.181867][  T313]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.182023][  T313]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.182149][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.182274][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.182399][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.182530][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.182653][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.182807][  T313] RIP: 0033:0x7fc05a9e708e
[   12.182943][  T313] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.183386][  T313] RSP: 002b:00007ffd54e7bf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.183578][  T313] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc05a9e708e
[   12.183762][  T313] RDX: 0000000000000000 RSI: 00007ffd54e7c010 RDI: 0000000000000005
[   12.183959][  T313] RBP: 00007ffd54e7bf70 R08: 0000000000000000 R09: 0000000000000000
[   12.184145][  T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ab
[   12.184331][  T313] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd54e7c6e0
| [   12.259146][   T68] ------------[ cut here ]------------
| [   12.259347][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   12.259643][   T68] Modules linked in: vxlan
| [   12.260151][   T68] Tainted: [W]=WARN
[   12.260289][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.260499][   T68] Workqueue: netns cleanup_net
[   12.260676][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.260898][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.261373][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   12.261581][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c49b8c0 RCX: 1ff4000000092eed
[   12.261812][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c49b97c
[   12.262047][   T68] RBP: ff11000004ed9000 R08: 1fe2200001893731 R09: ff1100000915aed0
[   12.262271][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.262502][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.262727][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   12.262999][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.263200][   T68] CR2: 000055bc7d569d5c CR3: 000000000fe3a004 CR4: 0000000000771ef0
[   12.263425][   T68] PKRU: 55555554
[   12.263569][   T68] Call Trace:
[   12.263705][   T68]  <TASK>
[   12.263814][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.264033][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.264226][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.264397][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.264578][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.264745][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.264925][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.265096][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.265295][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   12.265466][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.265635][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   12.265808][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.265987][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.266162][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.266327][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.266509][   T68]  process_one_work (kernel/workqueue.c:3314)
[   12.266681][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.266860][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.267033][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.267201][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.267367][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.267545][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.267715][   T68]  kthread (kernel/kthread.c:436)
[   12.267866][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.268065][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.268231][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.268403][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.268606][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.268775][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.268956][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.271992][   T68] ------------[ cut here ]------------
| [   12.272160][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   12.272449][   T68] Modules linked in: vxlan
| [   12.272952][   T68] Tainted: [W]=WARN
[   12.273196][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.273393][   T68] Workqueue: netns cleanup_net
[   12.273575][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.273774][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.274338][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   12.274541][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c49b1c0 RCX: 1ff4000000092eed
[   12.274850][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c49b27c
[   12.275071][   T68] RBP: ff1100000f0dc000 R08: 1fe2200001893651 R09: ff1100000915aed0
[   12.275329][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.275559][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.275814][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   12.276153][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.276380][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   12.276615][   T68] PKRU: 55555554
[   12.276751][   T68] Call Trace:
[   12.276898][   T68]  <TASK>
[   12.277078][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.277277][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.277481][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.277720][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.277902][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.278068][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.278235][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.278404][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.278576][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   12.278740][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.278999][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   12.279168][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.279405][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.279580][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.279747][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.280143][   T68]  process_one_work (kernel/workqueue.c:3314)
[   12.280320][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.280503][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.280676][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.280931][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.281096][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.281264][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.281430][   T68]  kthread (kernel/kthread.c:436)
[   12.281649][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.281873][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.282074][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.282242][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.282446][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.282616][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.282811][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.286273][   T68] ------------[ cut here ]------------
| [   12.286435][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   12.286726][   T68] Modules linked in: vxlan
| [   12.287754][   T68] Tainted: [W]=WARN
[   12.287959][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.288198][   T68] Workqueue: netns cleanup_net
[   12.288416][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.288672][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.289201][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   12.289451][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c49aac0 RCX: 1ff4000000092eed
[   12.289719][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c49ab7c
[   12.290001][   T68] RBP: ff1100000f009000 R08: 1fe2200001893571 R09: ff1100000915aed0
[   12.290267][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.290542][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.290810][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   12.291122][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.291360][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   12.291639][   T68] PKRU: 55555554
[   12.291868][   T68] Call Trace:
[   12.292049][   T68]  <TASK>
[   12.292204][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.292506][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.292742][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.292925][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.293094][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.293263][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.293428][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.293603][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.293771][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   12.293949][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.294117][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   12.294283][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.294459][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.294627][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.294793][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.294976][   T68]  process_one_work (kernel/workqueue.c:3314)
[   12.295147][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.295311][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.295487][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.295656][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.295837][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.296006][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.296173][   T68]  kthread (kernel/kthread.c:436)
[   12.296312][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.296514][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.296679][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.296860][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.297053][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.297220][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.297385][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.299861][   T68] ------------[ cut here ]------------
| [   12.300026][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   12.300302][   T68] Modules linked in: vxlan
| [   12.300797][   T68] Tainted: [W]=WARN
[   12.301171][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.301467][   T68] Workqueue: netns cleanup_net
[   12.301736][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.302045][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.302617][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   12.302917][   T68] RAX: 00000000ffffffa6 RBX: ff11000009c4d1c0 RCX: 1ff4000000092eed
[   12.303188][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4d27c
[   12.303512][   T68] RBP: ff1100000f211000 R08: 1fe2200001389a51 R09: ff1100000915aed0
[   12.303779][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.304059][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.304326][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   12.304635][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.304887][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   12.305156][   T68] PKRU: 55555554
[   12.305335][   T68] Call Trace:
[   12.305519][   T68]  <TASK>
[   12.305673][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.305934][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.306177][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.306388][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.306610][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.306835][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.307047][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.307260][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.307481][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   12.307694][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.307921][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   12.308135][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.308344][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.308563][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.308773][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.309035][   T68]  process_one_work (kernel/workqueue.c:3314)
[   12.309253][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.309475][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.309694][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.309898][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.310092][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.310338][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.310514][   T68]  kthread (kernel/kthread.c:436)
[   12.310726][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.310967][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.311137][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.311334][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.311538][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.311708][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.311890][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.314768][   T68] ------------[ cut here ]------------
| [   12.315769][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   12.316111][   T68] Modules linked in: vxlan
| [   12.316693][   T68] Tainted: [W]=WARN
[   12.316889][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.317137][   T68] Workqueue: netns cleanup_net
[   12.317357][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.317619][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.318147][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   12.318390][   T68] RAX: 00000000ffffffa6 RBX: ff11000009c4ce40 RCX: 1ff4000000092eed
[   12.318668][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4cefc
[   12.318946][   T68] RBP: ff11000004f89000 R08: 1fe22000013899e1 R09: ff1100000915aed0
[   12.319213][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.319491][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.319775][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   12.320086][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.320324][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   12.320603][   T68] PKRU: 55555554
[   12.320781][   T68] Call Trace:
[   12.320973][   T68]  <TASK>
[   12.321126][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.321372][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.321616][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   12.321842][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.322055][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.322265][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.322486][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.322698][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.322919][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   12.323129][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.323391][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   12.323661][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.323951][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.324210][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.324472][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.324729][   T68]  process_one_work (kernel/workqueue.c:3314)
[   12.325080][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.325342][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.325556][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.325794][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.325977][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.326145][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.326313][   T68]  kthread (kernel/kthread.c:436)
[   12.326459][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.326655][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.326915][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.327087][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.327286][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.327460][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.327631][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.340883][   T68] ------------[ cut here ]------------
| [   12.341026][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   12.341273][   T68] Modules linked in: vxlan
| [   12.341693][   T68] Tainted: [W]=WARN
[   12.341787][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.341952][   T68] Workqueue: netns cleanup_net
[   12.342081][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.342240][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.342692][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   12.342854][   T68] RAX: 00000000ffffffa6 RBX: ff11000009c4cac0 RCX: 1ff4000000092eaf
[   12.343038][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4cb7c
[   12.343220][   T68] RBP: ff1100000fd14000 R08: 1fe2200001389971 R09: ff1100000915aed0
[   12.343404][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   12.343593][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   12.343777][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   12.344003][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.344158][   T68] CR2: 000055bc7d569d5c CR3: 000000000fe3a005 CR4: 0000000000771ef0
[   12.344344][   T68] PKRU: 55555554
[   12.344440][   T68] Call Trace:
[   12.344542][   T68]  <TASK>
[   12.344611][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.344737][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.344835][   T68]  netif_close_many (net/core/dev.c:1804)
[   12.344958][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.345081][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.345209][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.345332][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   12.345460][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.345615][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   12.345768][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.345895][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.346019][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   12.346142][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.346299][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.346429][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.346561][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.346685][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.346808][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   12.346946][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.347072][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   12.347194][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.347322][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   12.347452][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.347589][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.347718][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.347913][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.348038][   T68]  process_one_work (kernel/workqueue.c:3314)
[   12.348164][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.348286][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.348413][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.348544][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.348667][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.348792][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.348991][   T68]  kthread (kernel/kthread.c:436)
[   12.349097][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.349252][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.349375][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.349502][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.349655][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.349778][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.349912][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.352815][   T68] ------------[ cut here ]------------
| [   12.352967][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   12.353254][   T68] Modules linked in: vxlan
| [   12.353670][   T68] Tainted: [W]=WARN
[   12.353760][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.353962][   T68] Workqueue: netns cleanup_net
[   12.354090][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.354245][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.354679][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   12.354836][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cb823c0 RCX: 1ff4000000092ed5
[   12.355014][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb8247c
[   12.355191][   T68] RBP: ff1100000fd14000 R08: 1fe2200001970491 R09: ff1100000915aed0
[   12.355369][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.355557][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.355736][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   12.355950][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.356099][   T68] CR2: 000055bc7d569d5c CR3: 000000000fe3a005 CR4: 0000000000771ef0
[   12.356277][   T68] PKRU: 55555554
[   12.356366][   T68] Call Trace:
[   12.356462][   T68]  <TASK>
[   12.356526][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.356678][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.356836][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.356958][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.357079][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.357199][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.357320][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   12.357446][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.357567][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   12.357685][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.357807][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   12.357937][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.358059][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.358178][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.358298][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.358419][   T68]  process_one_work (kernel/workqueue.c:3314)
[   12.358548][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.358668][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.358792][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.358919][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.359038][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.359160][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.359280][   T68]  kthread (kernel/kthread.c:436)
[   12.359370][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.359523][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.359643][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.359763][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.359917][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.360037][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.360158][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.460343][  T324] ------------[ cut here ]------------
| [   12.460510][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/324
| [   12.460744][  T324] Modules linked in: vxlan
| [   12.461158][  T324] Tainted: [W]=WARN
[   12.461259][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.461426][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.461606][  T324] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.462084][  T324] RSP: 0018:ffa0000000ab7a80 EFLAGS: 00010286
[   12.462250][  T324] RAX: 00000000ffffffa6 RBX: ff1100000290c580 RCX: 1ff4000000156f16
[   12.462451][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290c63c
[   12.462650][  T324] RBP: ff1100000924c000 R08: 1fe22000005218c9 R09: ff11000004d5d180
[   12.462851][  T324] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.463050][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000924c000
[   12.463249][  T324] FS:  00007f27fd74d840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   12.463487][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.463657][  T324] CR2: 00007f27fd94ec20 CR3: 000000000f847002 CR4: 0000000000771ef0
[   12.463863][  T324] PKRU: 55555554
[   12.463963][  T324] Call Trace:
[   12.464061][  T324]  <TASK>
[   12.464131][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.464266][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.464402][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.464507][  T324]  register_netdevice (net/core/dev.c:11488)
[   12.464640][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.464805][  T324]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.464942][  T324]  register_netdev (net/core/dev.c:11552)
[   12.465073][  T324]  loopback_net_init (drivers/net/loopback.c:218)
[   12.465207][  T324]  ops_init (net/core/net_namespace.c:137)
[   12.465309][  T324]  setup_net (net/core/net_namespace.c:446)
[   12.465409][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.465546][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.465678][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.465810][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   12.465948][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.466082][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.466216][  T324]  ksys_unshare (kernel/fork.c:3243)
[   12.466348][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.466485][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.466617][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.466749][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   12.466887][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.467018][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.467151][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.467281][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.467412][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.467551][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.467714][  T324] RIP: 0033:0x7f27fda0fbcb
[   12.467858][  T324] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.468325][  T324] RSP: 002b:00007ffcd2aa0108 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.468528][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f27fda0fbcb
[   12.468722][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.468921][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.469118][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd2aa2330
[   12.469312][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd2aa388c
| [   12.473549][  T324] ------------[ cut here ]------------
| [   12.473686][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/324
| [   12.473919][  T324] Modules linked in: vxlan
| [   12.474315][  T324] Tainted: [W]=WARN
[   12.474415][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.474583][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.474751][  T324] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.475221][  T324] RSP: 0018:ffa0000000ab7918 EFLAGS: 00010286
[   12.475385][  T324] RAX: 00000000ffffffa6 RBX: ff1100000bd14040 RCX: 1ff4000000156ee9
[   12.475583][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd140fc
[   12.475779][  T324] RBP: ff110000085bc000 R08: 1fe22000017a2821 R09: ff11000004d5d180
[   12.475979][  T324] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.476176][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000085bc000
[   12.476371][  T324] FS:  00007f27fd74d840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   12.476604][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.476768][  T324] CR2: 00007f27fd94ec20 CR3: 000000000f847002 CR4: 0000000000771ef0
[   12.476968][  T324] PKRU: 55555554
[   12.477066][  T324] Call Trace:
[   12.477162][  T324]  <TASK>
[   12.477229][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.477360][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.477498][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.477597][  T324]  register_netdevice (net/core/dev.c:11488)
[   12.477729][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.477897][  T324]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.478029][  T324]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.478160][  T324]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.478290][  T324]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.478421][  T324]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.478558][  T324]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.478689][  T324]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   12.478826][  T324]  ops_init (net/core/net_namespace.c:137)
[   12.478926][  T324]  setup_net (net/core/net_namespace.c:446)
[   12.479025][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.479153][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.479282][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.479414][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   12.479575][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.479731][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.479866][  T324]  ksys_unshare (kernel/fork.c:3243)
[   12.479995][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.480125][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.480253][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.480384][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   12.480521][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.480649][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.480780][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.480914][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.481045][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.481175][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.481335][  T324] RIP: 0033:0x7f27fda0fbcb
[   12.481475][  T324] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.481946][  T324] RSP: 002b:00007ffcd2aa0108 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.482141][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f27fda0fbcb
[   12.482336][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.482534][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.482730][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd2aa2330
[   12.482932][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd2aa388c
| [   12.486729][  T324] ------------[ cut here ]------------
| [   12.487366][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/324
| [   12.487605][  T324] Modules linked in: vxlan
| [   12.488067][  T324] Tainted: [W]=WARN
[   12.488167][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.488330][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.488507][  T324] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.489035][  T324] RSP: 0018:ffa0000000ab78f8 EFLAGS: 00010286
[   12.489201][  T324] RAX: 00000000ffffffa6 RBX: ff11000009c4da80 RCX: 1ff4000000156ee5
[   12.489398][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4db3c
[   12.489602][  T324] RBP: ff11000008d69000 R08: 1fe2200001389b69 R09: ff11000004d5d180
[   12.489798][  T324] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.490050][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d69000
[   12.490247][  T324] FS:  00007f27fd74d840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   12.490485][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.490649][  T324] CR2: 00007f27fd94ec20 CR3: 000000000f847002 CR4: 0000000000771ef0
[   12.490905][  T324] PKRU: 55555554
[   12.491004][  T324] Call Trace:
[   12.491103][  T324]  <TASK>
[   12.491171][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.491302][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.491435][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.491545][  T324]  register_netdevice (net/core/dev.c:11488)
[   12.491679][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.491902][  T324]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.492036][  T324]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.492169][  T324]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.492301][  T324]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.492435][  T324]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.492573][  T324]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.492706][  T324]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   12.492897][  T324]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.493032][  T324]  vti_init_net (net/ipv4/ip_vti.c:517)
[   12.493165][  T324]  ops_init (net/core/net_namespace.c:137)
[   12.493266][  T324]  setup_net (net/core/net_namespace.c:446)
[   12.493366][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.493504][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.493636][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.493772][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   12.493963][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.494098][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.494232][  T324]  ksys_unshare (kernel/fork.c:3243)
[   12.494364][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.494504][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.494637][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.494772][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   12.494963][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.495094][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.495227][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.495359][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.495497][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.495629][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.495792][  T324] RIP: 0033:0x7f27fda0fbcb
[   12.495990][  T324] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.496466][  T324] RSP: 002b:00007ffcd2aa0108 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.496664][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f27fda0fbcb
[   12.496918][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.497114][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.497309][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd2aa2330
[   12.497513][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd2aa388c
| [   12.501958][  T324] ------------[ cut here ]------------
| [   12.502140][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/324
| [   12.502417][  T324] Modules linked in: vxlan
| [   12.502941][  T324] Tainted: [W]=WARN
[   12.503089][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.503299][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.503528][  T324] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.504053][  T324] RSP: 0018:ffa0000000ab7a78 EFLAGS: 00010286
[   12.504265][  T324] RAX: 00000000ffffffa6 RBX: ff1100000bd15c40 RCX: 1ff4000000156f15
[   12.504517][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd15cfc
[   12.504761][  T324] RBP: ff110000091fc000 R08: 1fe22000017a2ba1 R09: ff11000004d5d180
[   12.505016][  T324] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.505259][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091fc000
[   12.505516][  T324] FS:  00007f27fd74d840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   12.505796][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.506021][  T324] CR2: 00007f6da3018574 CR3: 000000000f847002 CR4: 0000000000771ef0
[   12.506267][  T324] PKRU: 55555554
[   12.506411][  T324] Call Trace:
[   12.506565][  T324]  <TASK>
[   12.506681][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.506874][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.507056][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.507204][  T324]  register_netdevice (net/core/dev.c:11488)
[   12.507384][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.507604][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.507787][  T324]  register_netdev (net/core/dev.c:11552)
[   12.507977][  T324]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   12.508158][  T324]  ops_init (net/core/net_namespace.c:137)
[   12.508307][  T324]  setup_net (net/core/net_namespace.c:446)
[   12.508460][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.508642][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.508837][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.509018][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   12.509199][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.509382][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.509575][  T324]  ksys_unshare (kernel/fork.c:3243)
[   12.509755][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.509946][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.510124][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.510303][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   12.510489][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.510668][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.510862][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.511040][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.511217][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.511397][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.511615][  T324] RIP: 0033:0x7f27fda0fbcb
[   12.511799][  T324] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.512329][  T324] RSP: 002b:00007ffcd2aa0108 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.512581][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f27fda0fbcb
[   12.512834][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.513073][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.513316][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd2aa2330
[   12.513564][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd2aa388c
| [   12.518183][  T324] ------------[ cut here ]------------
| [   12.518362][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/324
| [   12.518643][  T324] Modules linked in: vxlan
| [   12.519150][  T324] Tainted: [W]=WARN
[   12.519296][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.519515][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.519732][  T324] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.520259][  T324] RSP: 0018:ffa0000000ab7a68 EFLAGS: 00010286
[   12.520498][  T324] RAX: 00000000ffffffa6 RBX: ff1100000954eac0 RCX: 1ff4000000156f13
[   12.520741][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954eb7c
[   12.520996][  T324] RBP: ff1100000f0a4000 R08: 1fe22000012a9d71 R09: ff11000004d5d180
[   12.521237][  T324] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.521486][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0a4000
[   12.521732][  T324] FS:  00007f27fd74d840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   12.522027][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.522238][  T324] CR2: 00007f6da3018574 CR3: 000000000f847002 CR4: 0000000000771ef0
[   12.522490][  T324] PKRU: 55555554
[   12.522636][  T324] Call Trace:
[   12.522784][  T324]  <TASK>
[   12.522911][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.523088][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.523266][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.523414][  T324]  register_netdevice (net/core/dev.c:11488)
[   12.523604][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.523833][  T324]  register_netdev (net/core/dev.c:11552)
[   12.524013][  T324]  sit_init_net (net/ipv6/sit.c:1860)
[   12.524193][  T324]  ops_init (net/core/net_namespace.c:137)
[   12.524340][  T324]  setup_net (net/core/net_namespace.c:446)
[   12.524493][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.524671][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.524861][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.525043][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   12.525222][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.525403][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.525586][  T324]  ksys_unshare (kernel/fork.c:3243)
[   12.525765][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.525954][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.526132][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.526313][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   12.526504][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.526686][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.526876][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.527084][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.527260][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.527457][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.527665][  T324] RIP: 0033:0x7f27fda0fbcb
[   12.527862][  T324] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.528367][  T324] RSP: 002b:00007ffcd2aa0108 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.528614][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f27fda0fbcb
[   12.528871][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.529111][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.529351][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd2aa2330
[   12.529598][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd2aa388c
| [   12.542375][  T324] ------------[ cut here ]------------
| [   12.542566][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/324
| [   12.542891][  T324] Modules linked in: vxlan
| [   12.543387][  T324] Tainted: [W]=WARN
[   12.543544][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.543758][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.543993][  T324] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.544520][  T324] RSP: 0018:ffa0000000ab7a78 EFLAGS: 00010286
[   12.544732][  T324] RAX: 00000000ffffffa6 RBX: ff1100000dbf9000 RCX: 1ff4000000156f15
[   12.544992][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf90bc
[   12.545237][  T324] RBP: ff1100000fb51000 R08: 1fe2200001b7f219 R09: ff11000004d5d180
[   12.545487][  T324] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.545731][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb51000
[   12.545995][  T324] FS:  00007f27fd74d840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   12.546276][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.546500][  T324] CR2: 00007f6da3018574 CR3: 000000000f847002 CR4: 0000000000771ef0
[   12.546749][  T324] PKRU: 55555554
[   12.546905][  T324] Call Trace:
[   12.547052][  T324]  <TASK>
[   12.547169][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.547350][  T324]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.547539][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.547688][  T324]  register_netdevice (net/core/dev.c:11488)
[   12.547883][  T324]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.548094][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.548278][  T324]  register_netdev (net/core/dev.c:11552)
[   12.548469][  T324]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   12.548655][  T324]  ops_init (net/core/net_namespace.c:137)
[   12.548805][  T324]  setup_net (net/core/net_namespace.c:446)
[   12.548965][  T324]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.549144][  T324]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.549325][  T324]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.549516][  T324]  copy_net_ns (net/core/net_namespace.c:579)
[   12.549699][  T324]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.549897][  T324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.550078][  T324]  ksys_unshare (kernel/fork.c:3243)
[   12.550257][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.550447][  T324]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.550629][  T324]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.550809][  T324]  ? __ia32_sys_open (fs/open.c:1374)
[   12.551004][  T324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.551188][  T324]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.551368][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.551552][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.551732][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.551925][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.552136][  T324] RIP: 0033:0x7f27fda0fbcb
[   12.552320][  T324] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.552858][  T324] RSP: 002b:00007ffcd2aa0108 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.553105][  T324] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f27fda0fbcb
[   12.553347][  T324] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.553602][  T324] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.553859][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd2aa2330
[   12.554102][  T324] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd2aa388c
| [   12.579934][  T325] ------------[ cut here ]------------
| [   12.580084][  T325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/325
| [   12.580313][  T325] Modules linked in: vxlan
| [   12.580719][  T325] Tainted: [W]=WARN
[   12.580819][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.580992][  T325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.581161][  T325] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.581631][  T325] RSP: 0018:ffa0000000aa7020 EFLAGS: 00010286
[   12.581796][  T325] RAX: 00000000ffffffa6 RBX: ff1100000f6e6c80 RCX: 1ff4000000154dca
[   12.582618][  T325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f6e6d3c
[   12.582814][  T325] RBP: ff1100000924c000 R08: 1fe2200001edcda9 R09: ff1100000917ae58
[   12.583016][  T325] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.583213][  T325] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.583409][  T325] FS:  00007ff535a62840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   12.583642][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.583806][  T325] CR2: 00007ff535d321a0 CR3: 000000000f3ea005 CR4: 0000000000771ef0
[   12.584006][  T325] PKRU: 55555554
[   12.584105][  T325] Call Trace:
[   12.584203][  T325]  <TASK>
[   12.584270][  T325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.584403][  T325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.584510][  T325]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.584641][  T325]  __dev_notify_flags (net/core/dev.c:9787)
[   12.584773][  T325]  ? netif_change_name (net/core/dev.c:1495)
[   12.584914][  T325]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.585049][  T325]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.585179][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.585312][  T325]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.585460][  T325]  netif_change_flags (net/core/dev.c:9820)
[   12.585592][  T325]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.585725][  T325]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.585866][  T325]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.585999][  T325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.586162][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.586294][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.586428][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.586565][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.586698][  T325]  ? __kernel_text_address (kernel/extable.c:79)
[   12.586835][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.586970][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.587101][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.587234][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.587366][  T325]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.587500][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.587631][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.587761][  T325]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.587899][  T325]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.588030][  T325]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.588161][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.588295][  T325]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.588429][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.588571][  T325]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.588705][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.588841][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.588974][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.589107][  T325]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.589237][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.589371][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.589508][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.589637][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.589768][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.589906][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.590037][  T325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.590167][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.590299][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.590431][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.590569][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.590702][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.590837][  T325]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.590971][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.591103][  T325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.591238][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.591368][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.591507][  T325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.591640][  T325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.591773][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.591914][  T325]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.592047][  T325]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.592180][  T325]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.592313][  T325]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.592453][  T325]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.592585][  T325]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.592748][  T325]  ? move_addr_to_kernel (net/socket.c:258)
[   12.592887][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.593019][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.593152][  T325]  ___sys_sendmsg (net/socket.c:2752)
[   12.593283][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.593451][  T325]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.593597][  T325]  __sys_sendmsg (net/socket.c:2784)
[   12.593728][  T325]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.593867][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.594036][  T325]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.594167][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.594300][  T325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.594430][  T325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.594566][  T325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.594699][  T325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.594867][  T325] RIP: 0033:0x7ff535c9c08e
[   12.595006][  T325] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.595481][  T325] RSP: 002b:00007ffe7f7efc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.595679][  T325] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff535c9c08e
[   12.595885][  T325] RDX: 0000000000000000 RSI: 00007ffe7f7efcc0 RDI: 0000000000000005
[   12.596080][  T325] RBP: 00007ffe7f7efc20 R08: 0000000000000000 R09: 0000000000000000
[   12.596275][  T325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ab
[   12.596477][  T325] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7f7f0390
| [   12.710408][  T328] ------------[ cut here ]------------
| [   12.710575][  T328] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/328
| [   12.710829][  T328] Modules linked in: vxlan
| [   12.711270][  T328] Tainted: [W]=WARN
[   12.711377][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.711557][  T328] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.711740][  T328] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.712247][  T328] RSP: 0018:ffa0000000ad6fd0 EFLAGS: 00010286
[   12.712427][  T328] RAX: 00000000ffffffa6 RBX: ff1100000290c200 RCX: 1ff400000015adc0
[   12.712642][  T328] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290c2bc
[   12.712859][  T328] RBP: ff11000006152000 R08: 1fe2200000521859 R09: ff110000096ed180
[   12.713069][  T328] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.713278][  T328] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006152e44
[   12.713494][  T328] FS:  00007f2c118d9840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   12.713740][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.713922][  T328] CR2: 0000000000437490 CR3: 000000000e5e3006 CR4: 0000000000771ef0
[   12.714133][  T328] PKRU: 55555554
[   12.714239][  T328] Call Trace:
[   12.714345][  T328]  <TASK>
[   12.714418][  T328]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.714567][  T328]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   12.714713][  T328]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.714825][  T328]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   12.714968][  T328]  __dev_notify_flags (net/core/dev.c:9787)
[   12.715109][  T328]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.715249][  T328]  ? netif_change_name (net/core/dev.c:1495)
[   12.715390][  T328]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.715538][  T328]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.715680][  T328] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   12.716451][  T328]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   12.716600][  T328] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   12.716743][  T328]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   12.716894][  T328]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.717035][  T328]  ? nla_strscpy (lib/nlattr.c:795)
[   12.717178][  T328]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.717320][  T328]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.717465][  T328]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.717604][  T328]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.717749][  T328]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.717899][  T328]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.718041][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.718180][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.718321][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.718466][  T328]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.718606][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.718751][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.718899][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.719041][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.719182][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.719323][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.719470][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.719613][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.719753][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.719899][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.720040][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.720181][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.720325][  T328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.720470][  T328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.720612][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.720754][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.720899][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.721040][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.721181][  T328]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.721321][  T328]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.721468][  T328]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.721610][  T328]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.721751][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.721929][  T328]  ? move_addr_to_kernel (net/socket.c:258)
[   12.722073][  T328]  ___sys_sendmsg (net/socket.c:2752)
[   12.722214][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.722355][  T328]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.722511][  T328]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.722653][  T328]  __sys_sendmsg (net/socket.c:2784)
[   12.722794][  T328]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.722941][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.723082][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.723224][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.723364][  T328]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.723508][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.723648][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.723828][  T328] RIP: 0033:0x7f2c11b1308e
[   12.723976][  T328] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.724480][  T328] RSP: 002b:00007ffdc26c86e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.724692][  T328] RAX: ffffffffffffffda RBX: 00007ffdc26c8e90 RCX: 00007f2c11b1308e
[   12.724906][  T328] RDX: 0000000000000000 RSI: 00007ffdc26c8790 RDI: 0000000000000005
[   12.725116][  T328] RBP: 00007ffdc26c86f0 R08: 0000000000000000 R09: 0000000000000000
[   12.725324][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ab
[   12.725538][  T328] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc26c8e60
| [   12.759537][  T329] ------------[ cut here ]------------
| [   12.759692][  T329] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/329
| [   12.759939][  T329] Modules linked in: vxlan
| [   12.760360][  T329] Tainted: [W]=WARN
[   12.760470][  T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.760644][  T329] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.760830][  T329] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.761322][  T329] RSP: 0018:ffa0000000ae6fd0 EFLAGS: 00010286
[   12.761502][  T329] RAX: 00000000ffffffa6 RBX: ff1100000c1c5a80 RCX: 1ff400000015cdc0
[   12.761711][  T329] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1c5b3c
[   12.761922][  T329] RBP: ff1100000f17a000 R08: 1fe2200001838b69 R09: ff110000021f5180
[   12.762127][  T329] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.762334][  T329] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f17ae44
[   12.762549][  T329] FS:  00007f785376e840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   12.762792][  T329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.762970][  T329] CR2: 0000000000437490 CR3: 000000000f754003 CR4: 0000000000771ef0
[   12.763178][  T329] PKRU: 55555554
[   12.763281][  T329] Call Trace:
[   12.763384][  T329]  <TASK>
[   12.763459][  T329]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.763599][  T329]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   12.763743][  T329]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.764512][  T329]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   12.764653][  T329]  __dev_notify_flags (net/core/dev.c:9787)
[   12.764792][  T329]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.765034][  T329]  ? netif_change_name (net/core/dev.c:1495)
[   12.765232][  T329]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.765374][  T329]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.765520][  T329] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   12.765661][  T329]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   12.765805][  T329] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   12.766013][  T329]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   12.766156][  T329]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.766296][  T329]  ? nla_strscpy (lib/nlattr.c:795)
[   12.766436][  T329]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.766581][  T329]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.766720][  T329]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.766929][  T329]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.767075][  T329]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.767218][  T329]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.767358][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.767501][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.767640][  T329]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.767777][  T329]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.767936][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.768079][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.768219][  T329]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.768358][  T329]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.768502][  T329]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.768640][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.768777][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.768923][  T329]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.769060][  T329]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.769199][  T329]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.769339][  T329]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.769483][  T329]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.769625][  T329]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.769763][  T329]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.769906][  T329]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.770046][  T329]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.770184][  T329]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.770323][  T329]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.770467][  T329]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.770608][  T329]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.770748][  T329]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.770891][  T329]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.771028][  T329]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.771200][  T329]  ? move_addr_to_kernel (net/socket.c:258)
[   12.771343][  T329]  ___sys_sendmsg (net/socket.c:2752)
[   12.771485][  T329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.771625][  T329]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.771773][  T329]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.771920][  T329]  __sys_sendmsg (net/socket.c:2784)
[   12.772059][  T329]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.772201][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.772340][  T329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.772484][  T329]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.772622][  T329]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.772762][  T329]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.772904][  T329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.773075][  T329] RIP: 0033:0x7f78539a808e
[   12.773220][  T329] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.773717][  T329] RSP: 002b:00007ffdb9c37c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.773932][  T329] RAX: ffffffffffffffda RBX: 00007ffdb9c383c0 RCX: 00007f78539a808e
[   12.774141][  T329] RDX: 0000000000000000 RSI: 00007ffdb9c37cc0 RDI: 0000000000000005
[   12.774349][  T329] RBP: 00007ffdb9c37c20 R08: 0000000000000000 R09: 0000000000000000
[   12.774561][  T329] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ab
[   12.774770][  T329] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb9c38390
| [   12.807069][  T330] ------------[ cut here ]------------
| [   12.807218][  T330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/330
| [   12.807456][  T330] Modules linked in: vxlan
| [   12.808561][  T330] Tainted: [W]=WARN
[   12.808664][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.808921][  T330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.809096][  T330] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.809572][  T330] RSP: 0018:ffa0000000af71b0 EFLAGS: 00010286
[   12.809740][  T330] RAX: 00000000ffffffa6 RBX: ff11000008e55380 RCX: 1ff400000015edfc
[   12.809975][  T330] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e5543c
[   12.810177][  T330] RBP: ff1100000f632000 R08: 1fe22000011caa89 R09: ff110000021f0b80
[   12.810376][  T330] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.810577][  T330] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   12.810777][  T330] FS:  00007f8266137840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   12.811015][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.811189][  T330] CR2: 00007f82664ac040 CR3: 000000000fb47001 CR4: 0000000000771ef0
[   12.811390][  T330] PKRU: 55555554
[   12.811494][  T330] Call Trace:
[   12.811595][  T330]  <TASK>
[   12.811666][  T330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.811803][  T330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.811911][  T330]  __dev_notify_flags (net/core/dev.c:9787)
[   12.812046][  T330]  ? netif_change_name (net/core/dev.c:1495)
[   12.812182][  T330]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.812346][  T330]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.812487][  T330]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.812620][  T330]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   12.812755][  T330]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.812898][  T330]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.813032][  T330]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.813165][  T330]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.813303][  T330]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.813445][  T330]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.813582][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.813716][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.813855][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.813988][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.814120][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.814258][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.814392][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.814530][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.814663][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.814796][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.814934][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.815069][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.815203][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.815340][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.815480][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.815615][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.815753][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.815893][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.816028][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.816164][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.816298][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.816434][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.816573][  T330]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.816710][  T330]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.816852][  T330]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.816988][  T330]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.817122][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.817287][  T330]  ? move_addr_to_kernel (net/socket.c:258)
[   12.817426][  T330]  ___sys_sendmsg (net/socket.c:2752)
[   12.817562][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.817696][  T330]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.817845][  T330]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.817982][  T330]  __sys_sendmsg (net/socket.c:2784)
[   12.818115][  T330]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.818253][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.818387][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.818526][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.818659][  T330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.818794][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.818934][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.819101][  T330] RIP: 0033:0x7f826637108e
[   12.819242][  T330] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.819720][  T330] RSP: 002b:00007ffe3c90f740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.819929][  T330] RAX: ffffffffffffffda RBX: 00007ffe3c90fee8 RCX: 00007f826637108e
[   12.820129][  T330] RDX: 0000000000000000 RSI: 00007ffe3c90f7f0 RDI: 0000000000000005
[   12.820328][  T330] RBP: 00007ffe3c90f750 R08: 0000000000000000 R09: 0000000000000000
[   12.820531][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ac
[   12.820731][  T330] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3c90fec0
| [   12.855688][  T331] ------------[ cut here ]------------
| [   12.856318][  T331] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/331
| [   12.856553][  T331] Modules linked in: vxlan
| [   12.856963][  T331] Tainted: [W]=WARN
[   12.857063][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.857227][  T331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.857396][  T331] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.857937][  T331] RSP: 0018:ffa0000000b071b0 EFLAGS: 00010286
[   12.858108][  T331] RAX: 00000000ffffffa6 RBX: ff1100000fefa3c0 RCX: 1ff4000000160dfc
[   12.858304][  T331] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa47c
[   12.858503][  T331] RBP: ff1100000f6a2000 R08: 1fe2200001fdf491 R09: ff110000021ed180
[   12.858701][  T331] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.858905][  T331] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   12.859106][  T331] FS:  00007fee507e8840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   12.859336][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.859507][  T331] CR2: 00007fee50b5d040 CR3: 000000000bd42001 CR4: 0000000000771ef0
[   12.859706][  T331] PKRU: 55555554
[   12.859805][  T331] Call Trace:
[   12.859911][  T331]  <TASK>
[   12.859979][  T331]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.860113][  T331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.860219][  T331]  __dev_notify_flags (net/core/dev.c:9787)
[   12.860352][  T331]  ? netif_change_name (net/core/dev.c:1495)
[   12.860490][  T331]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.860653][  T331]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.860787][  T331]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.860925][  T331]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   12.861058][  T331]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.861191][  T331]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.861323][  T331]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.861458][  T331]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.861595][  T331]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.861732][  T331]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.861869][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.862001][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.862133][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.862265][  T331]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.862397][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.862542][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.862677][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.862810][  T331]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.862949][  T331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.863080][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.863210][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.863344][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.863478][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.863611][  T331]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.863745][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.863949][  T331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.864085][  T331]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.864215][  T331]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.864348][  T331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.864485][  T331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.864620][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.864752][  T331]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.864952][  T331]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.865141][  T331]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.865276][  T331]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.865407][  T331]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.865544][  T331]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.865708][  T331]  ? move_addr_to_kernel (net/socket.c:258)
[   12.865900][  T331]  ___sys_sendmsg (net/socket.c:2752)
[   12.866031][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.866163][  T331]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.866303][  T331]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.866436][  T331]  __sys_sendmsg (net/socket.c:2784)
[   12.866572][  T331]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.866706][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.866893][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.867026][  T331]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.867158][  T331]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.867289][  T331]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.867421][  T331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.867588][  T331] RIP: 0033:0x7fee50a2208e
[   12.867725][  T331] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.868229][  T331] RSP: 002b:00007ffcfe12af10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.868427][  T331] RAX: ffffffffffffffda RBX: 00007ffcfe12b6b8 RCX: 00007fee50a2208e
[   12.868628][  T331] RDX: 0000000000000000 RSI: 00007ffcfe12afc0 RDI: 0000000000000005
[   12.868833][  T331] RBP: 00007ffcfe12af20 R08: 0000000000000000 R09: 0000000000000000
[   12.869029][  T331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ac
[   12.869227][  T331] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfe12b690
| [   12.901644][  T332] ------------[ cut here ]------------
| [   12.901786][  T332] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/332
| [   12.902018][  T332] Modules linked in: vxlan
| [   12.902403][  T332] Tainted: [W]=WARN
[   12.902507][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.902661][  T332] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.902830][  T332] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.903268][  T332] RSP: 0018:ffa0000000b17190 EFLAGS: 00010286
[   12.903422][  T332] RAX: 00000000ffffffa6 RBX: ff11000002a191c0 RCX: 1ff4000000162df8
[   12.903611][  T332] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002a1927c
[   12.903793][  T332] RBP: ff11000006152000 R08: 1fe2200000543251 R09: ff1100000fc0d158
[   12.904522][  T332] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.904709][  T332] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.904897][  T332] FS:  00007faac1497840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   12.905112][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.905267][  T332] CR2: 000000003c384988 CR3: 0000000004e6f005 CR4: 0000000000771ef0
[   12.905458][  T332] PKRU: 55555554
[   12.905551][  T332] Call Trace:
[   12.905643][  T332]  <TASK>
[   12.905706][  T332]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.905867][  T332]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.906023][  T332]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.906152][  T332]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   12.906275][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.906398][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.906526][  T332]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.906649][  T332]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.906772][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.906917][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.907042][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.907164][  T332]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.907286][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.907409][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.907538][  T332]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   12.907665][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.907788][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.907917][  T332]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.908041][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.908166][  T332]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   12.908290][  T332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.908413][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.908540][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.908663][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.908788][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.908916][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.909038][  T332]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.909162][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.909287][  T332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.909413][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.909540][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.909664][  T332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.909789][  T332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.909918][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.910042][  T332]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.910168][  T332]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.910292][  T332]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.910415][  T332]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.910540][  T332]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.910664][  T332]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.910815][  T332]  ? move_addr_to_kernel (net/socket.c:258)
[   12.910950][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.911075][  T332]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.911201][  T332]  ___sys_sendmsg (net/socket.c:2752)
[   12.911324][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.911484][  T332]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.911620][  T332]  __sys_sendmsg (net/socket.c:2784)
[   12.911743][  T332]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.911871][  T332]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.912027][  T332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.912152][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.912277][  T332]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.912400][  T332]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.912530][  T332]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.912653][  T332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.912804][  T332] RIP: 0033:0x7faac16d108e
[   12.912939][  T332] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.913380][  T332] RSP: 002b:00007ffeedd7d290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.913572][  T332] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faac16d108e
[   12.913759][  T332] RDX: 0000000000000000 RSI: 00007ffeedd7d340 RDI: 0000000000000005
[   12.913952][  T332] RBP: 00007ffeedd7d2a0 R08: 0000000000000000 R09: 0000000000000000
[   12.914134][  T332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ac
[   12.914317][  T332] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeedd7da10
| [   12.957415][  T333] ------------[ cut here ]------------
| [   12.957578][  T333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/333
| [   12.957829][  T333] Modules linked in: vxlan
| [   12.958258][  T333] Tainted: [W]=WARN
[   12.958363][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.958546][  T333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.958729][  T333] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.959234][  T333] RSP: 0018:ffa0000000b26fd0 EFLAGS: 00010286
[   12.959409][  T333] RAX: 00000000ffffffa6 RBX: ff11000005296ac0 RCX: 1ff4000000164dc0
[   12.959623][  T333] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005296b7c
[   12.959835][  T333] RBP: ff11000005992000 R08: 1fe2200000a52d71 R09: ff1100000fc08b80
[   12.960041][  T333] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.960249][  T333] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005992e44
[   12.960463][  T333] FS:  00007f580a7aa840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   12.960709][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.960889][  T333] CR2: 0000000000437490 CR3: 000000000b45a005 CR4: 0000000000771ef0
[   12.961099][  T333] PKRU: 55555554
[   12.961205][  T333] Call Trace:
[   12.961310][  T333]  <TASK>
[   12.961387][  T333]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.961534][  T333]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   12.961679][  T333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.961785][  T333]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   12.961932][  T333]  __dev_notify_flags (net/core/dev.c:9787)
[   12.962074][  T333]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.962214][  T333]  ? netif_change_name (net/core/dev.c:1495)
[   12.962355][  T333]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.962502][  T333]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.962643][  T333] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   12.962786][  T333]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   12.962936][  T333] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   12.963078][  T333]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   12.963223][  T333]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.963362][  T333]  ? nla_strscpy (lib/nlattr.c:795)
[   12.963510][  T333]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.963657][  T333]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.963803][  T333]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.963952][  T333]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.964098][  T333]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.964242][  T333]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.964385][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.964532][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.964672][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.964813][  T333]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.965037][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.965186][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.965330][  T333]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.965477][  T333]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.965618][  T333]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.965757][  T333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.965983][  T333]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.966187][  T333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.966327][  T333]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.966476][  T333]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.966616][  T333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.966760][  T333]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.967058][  T333]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.967199][  T333]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.967343][  T333]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.967490][  T333]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.967630][  T333]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.967773][  T333]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.967989][  T333]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.968130][  T333]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.968271][  T333]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.968411][  T333]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.968557][  T333]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.968731][  T333]  ? move_addr_to_kernel (net/socket.c:258)
[   12.968946][  T333]  ___sys_sendmsg (net/socket.c:2752)
[   12.969086][  T333]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.969227][  T333]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.969377][  T333]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.969525][  T333]  __sys_sendmsg (net/socket.c:2784)
[   12.969665][  T333]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.969809][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.969961][  T333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.970102][  T333]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.970243][  T333]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.970385][  T333]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.970529][  T333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.970702][  T333] RIP: 0033:0x7f580a9e408e
[   12.970856][  T333] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.971358][  T333] RSP: 002b:00007ffeb71e3d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.971583][  T333] RAX: ffffffffffffffda RBX: 00007ffeb71e44e0 RCX: 00007f580a9e408e
[   12.971795][  T333] RDX: 0000000000000000 RSI: 00007ffeb71e3de0 RDI: 0000000000000005
[   12.972007][  T333] RBP: 00007ffeb71e3d40 R08: 0000000000000000 R09: 0000000000000000
[   12.972216][  T333] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ac
[   12.972427][  T333] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb71e44b0
| [   13.474873][  T362] ------------[ cut here ]------------
| [   13.475037][  T362] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/362
| [   13.475266][  T362] Modules linked in: vxlan
| [   13.475661][  T362] Tainted: [W]=WARN
[   13.475755][  T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.476048][  T362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.476213][  T362] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.476656][  T362] RSP: 0018:ffa0000000aa7190 EFLAGS: 00010286
[   13.476813][  T362] RAX: 00000000ffffffa6 RBX: ff1100000ff6ac80 RCX: 1ff4000000154df8
[   13.477065][  T362] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6ad3c
[   13.477250][  T362] RBP: ff1100000f6a2000 R08: 1fe2200001fed5a9 R09: ff1100000f06ae58
[   13.477436][  T362] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.477628][  T362] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.477894][  T362] FS:  00007f9ee6a1f840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   13.478117][  T362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.478273][  T362] CR2: 000000003833d988 CR3: 000000000f2af006 CR4: 0000000000771ef0
[   13.478478][  T362] PKRU: 55555554
[   13.478571][  T362] Call Trace:
[   13.478663][  T362]  <TASK>
[   13.478729][  T362]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.478974][  T362]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.479128][  T362]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.479256][  T362]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.479378][  T362]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.479540][  T362]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.479666][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.479788][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.480015][  T362]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.480140][  T362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.480265][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.480406][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.480532][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.480656][  T362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.480780][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.481007][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.481131][  T362]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.481259][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.481383][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.481513][  T362]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.481637][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.481762][  T362]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.481988][  T362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.482112][  T362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.482238][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.482361][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.482490][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.482614][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.482739][  T362]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.482961][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.483087][  T362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.483215][  T362]  ? 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))
[   13.483340][  T362]  ? 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))
[   13.483470][  T362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.483597][  T362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.483722][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.483926][  T362]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.484051][  T362]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.484176][  T362]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.484302][  T362]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.484430][  T362]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.484560][  T362]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.484713][  T362]  ? move_addr_to_kernel (net/socket.c:258)
[   13.484941][  T362]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.485068][  T362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.485194][  T362]  ___sys_sendmsg (net/socket.c:2752)
[   13.485318][  T362]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.485481][  T362]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.485618][  T362]  __sys_sendmsg (net/socket.c:2784)
[   13.485741][  T362]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.485879][  T362]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.486034][  T362]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.486157][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.486283][  T362]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.486410][  T362]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.486541][  T362]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.486666][  T362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.486825][  T362] RIP: 0033:0x7f9ee6c5908e
[   13.486960][  T362] 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
[   13.487405][  T362] RSP: 002b:00007ffda91331b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.487598][  T362] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ee6c5908e
[   13.487784][  T362] RDX: 0000000000000000 RSI: 00007ffda9133260 RDI: 0000000000000005
[   13.487981][  T362] RBP: 00007ffda91331c0 R08: 0000000000000000 R09: 0000000000000000
[   13.488167][  T362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ac
[   13.488351][  T362] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda9133930
| [   13.521448][  T363] ------------[ cut here ]------------
| [   13.521591][  T363] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/363
| [   13.521812][  T363] Modules linked in: vxlan
| [   13.522203][  T363] Tainted: [W]=WARN
[   13.522297][  T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.522456][  T363] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.522621][  T363] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.523069][  T363] RSP: 0018:ffa0000000be7190 EFLAGS: 00010286
[   13.523225][  T363] RAX: 00000000ffffffa6 RBX: ff1100000a1b23c0 RCX: 1ff400000017cdf8
[   13.523412][  T363] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b247c
[   13.523603][  T363] RBP: ff1100000f632000 R08: 1fe2200001436491 R09: ff1100000f06d158
[   13.523786][  T363] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.523977][  T363] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.524165][  T363] FS:  00007f7ea00c9840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   13.524383][  T363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.524542][  T363] CR2: 000000003411e988 CR3: 00000000097c6002 CR4: 0000000000771ef0
[   13.524729][  T363] PKRU: 55555554
[   13.524828][  T363] Call Trace:
[   13.524923][  T363]  <TASK>
[   13.524988][  T363]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.525149][  T363]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.525302][  T363]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.525429][  T363]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.525558][  T363]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.525718][  T363]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.525848][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.525973][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.526100][  T363]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.526223][  T363]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.526346][  T363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.526494][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.526618][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.526742][  T363]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.526870][  T363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.526996][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.527120][  T363]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.527246][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.527369][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.527498][  T363]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.527623][  T363]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.527748][  T363]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.527928][  T363]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.528053][  T363]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.528176][  T363]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.528300][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.528425][  T363]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.528553][  T363]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.528676][  T363]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.528802][  T363]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.528976][  T363]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.529106][  T363]  ? 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))
[   13.529229][  T363]  ? 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))
[   13.529354][  T363]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.529483][  T363]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.529607][  T363]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.529731][  T363]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.529911][  T363]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.530037][  T363]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.530163][  T363]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.530286][  T363]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.530409][  T363]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.530565][  T363]  ? move_addr_to_kernel (net/socket.c:258)
[   13.530688][  T363]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.530813][  T363]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.531000][  T363]  ___sys_sendmsg (net/socket.c:2752)
[   13.531123][  T363]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.531277][  T363]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.531415][  T363]  __sys_sendmsg (net/socket.c:2784)
[   13.531543][  T363]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.531665][  T363]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.531894][  T363]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.532018][  T363]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.532142][  T363]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.532265][  T363]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.532389][  T363]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.532515][  T363]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.532668][  T363] RIP: 0033:0x7f7ea030308e
[   13.532798][  T363] 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
[   13.533313][  T363] RSP: 002b:00007ffd33a20960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.533505][  T363] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7ea030308e
[   13.533693][  T363] RDX: 0000000000000000 RSI: 00007ffd33a20a10 RDI: 0000000000000005
[   13.533955][  T363] RBP: 00007ffd33a20970 R08: 0000000000000000 R09: 0000000000000000
[   13.534140][  T363] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ac
[   13.534324][  T363] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd33a210e0
| [   13.576740][  T364] ------------[ cut here ]------------
| [   13.576933][  T364] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/364
| [   13.577202][  T364] Modules linked in: vxlan
| [   13.577682][  T364] Tainted: [W]=WARN
[   13.577835][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.578036][  T364] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.578245][  T364] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.578746][  T364] RSP: 0018:ffa0000000c17190 EFLAGS: 00010286
[   13.578961][  T364] RAX: 00000000ffffffa6 RBX: ff1100000da6fa80 RCX: 1ff4000000182df8
[   13.579192][  T364] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6fb3c
[   13.579425][  T364] RBP: ff1100000f17a000 R08: 1fe2200001b4df69 R09: ff1100000f610b58
[   13.579661][  T364] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.579981][  T364] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.580284][  T364] FS:  00007f9e4270d840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   13.580635][  T364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.580930][  T364] CR2: 000000002cda3988 CR3: 000000000f2eb001 CR4: 0000000000771ef0
[   13.581242][  T364] PKRU: 55555554
[   13.581417][  T364] Call Trace:
[   13.581560][  T364]  <TASK>
[   13.581671][  T364]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.581889][  T364]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.582105][  T364]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.582279][  T364]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.582460][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.582630][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.582801][  T364]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.582985][  T364]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.583154][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.583344][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.583521][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.583693][  T364]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.583872][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.584043][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.584212][  T364]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.584386][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.584565][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.584736][  T364]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.584921][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.585092][  T364]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.585262][  T364]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.585433][  T364]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.585615][  T364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.585785][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.585969][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.586138][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.586309][  T364]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.586487][  T364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.586659][  T364]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.586844][  T364]  ? 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))
[   13.587013][  T364]  ? 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))
[   13.587186][  T364]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.587361][  T364]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.587540][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.587712][  T364]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.587897][  T364]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.588067][  T364]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.588241][  T364]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.588411][  T364]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.588589][  T364]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.588788][  T364]  ? move_addr_to_kernel (net/socket.c:258)
[   13.588970][  T364]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.589142][  T364]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.589316][  T364]  ___sys_sendmsg (net/socket.c:2752)
[   13.589489][  T364]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.589690][  T364]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.589885][  T364]  __sys_sendmsg (net/socket.c:2784)
[   13.590056][  T364]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.590223][  T364]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.590427][  T364]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.590604][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.590777][  T364]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.590962][  T364]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.591132][  T364]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.591307][  T364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.591514][  T364] RIP: 0033:0x7f9e4294708e
[   13.591691][  T364] 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
[   13.592181][  T364] RSP: 002b:00007ffcc8e593c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.592416][  T364] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9e4294708e
[   13.592652][  T364] RDX: 0000000000000000 RSI: 00007ffcc8e59470 RDI: 0000000000000005
[   13.592895][  T364] RBP: 00007ffcc8e593d0 R08: 0000000000000000 R09: 0000000000000000
[   13.593126][  T364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ac
[   13.593359][  T364] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc8e59b40
| [   13.633981][  T365] ------------[ cut here ]------------
| [   13.634132][  T365] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/365
| [   13.634350][  T365] Modules linked in: vxlan
| [   13.634743][  T365] Tainted: [W]=WARN
[   13.634845][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.635004][  T365] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.635169][  T365] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.635619][  T365] RSP: 0018:ffa0000000c17190 EFLAGS: 00010286
[   13.635774][  T365] RAX: 00000000ffffffa6 RBX: ff110000095af8c0 RCX: 1ff4000000182df8
[   13.635974][  T365] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095af97c
[   13.636161][  T365] RBP: ff11000005992000 R08: 1fe22000012b5f31 R09: ff1100000f612e58
[   13.636345][  T365] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.636536][  T365] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.636724][  T365] FS:  00007fd2e07a5840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   13.636947][  T365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.637104][  T365] CR2: 000000000c27a988 CR3: 000000000e6f8002 CR4: 0000000000771ef0
[   13.637290][  T365] PKRU: 55555554
[   13.637384][  T365] Call Trace:
[   13.637485][  T365]  <TASK>
[   13.637551][  T365]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.637710][  T365]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.638472][  T365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.638600][  T365]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.638725][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.638853][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.638979][  T365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.639102][  T365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.639234][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.639380][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.639508][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.639634][  T365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.639756][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.639886][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.640010][  T365]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.640136][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.640261][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.640383][  T365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.640511][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.640639][  T365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.640763][  T365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.640894][  T365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.641017][  T365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.641138][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.641264][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.641387][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.641516][  T365]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.641641][  T365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.641765][  T365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.641898][  T365]  ? 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))
[   13.642021][  T365]  ? 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))
[   13.642147][  T365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.642272][  T365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.642395][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.642524][  T365]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.642648][  T365]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.642773][  T365]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.642907][  T365]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.643031][  T365]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.643154][  T365]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.643309][  T365]  ? move_addr_to_kernel (net/socket.c:258)
[   13.643433][  T365]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.643565][  T365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.643690][  T365]  ___sys_sendmsg (net/socket.c:2752)
[   13.643814][  T365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.643974][  T365]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.644111][  T365]  __sys_sendmsg (net/socket.c:2784)
[   13.644234][  T365]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.644358][  T365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.644522][  T365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.644645][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.644770][  T365]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.644896][  T365]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.645019][  T365]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.645145][  T365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.645297][  T365] RIP: 0033:0x7fd2e09df08e
[   13.645429][  T365] 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
[   13.645883][  T365] RSP: 002b:00007ffccfb32840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.646070][  T365] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd2e09df08e
[   13.646256][  T365] RDX: 0000000000000000 RSI: 00007ffccfb328f0 RDI: 0000000000000005
[   13.646447][  T365] RBP: 00007ffccfb32850 R08: 0000000000000000 R09: 0000000000000000
[   13.646631][  T365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ac
[   13.646817][  T365] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccfb32fc0
| [   13.723846][   T68] ------------[ cut here ]------------
| [   13.723990][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   13.724233][   T68] Modules linked in: vxlan
| [   13.724639][   T68] Tainted: [W]=WARN
[   13.724729][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.724887][   T68] Workqueue: netns cleanup_net
[   13.725014][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.725170][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.725605][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   13.725753][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fef4740 RCX: 1ff4000000092eed
[   13.725937][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fef47fc
[   13.726110][   T68] RBP: ff1100000fb51000 R08: 1fe2200001fde901 R09: ff1100000915aed0
[   13.726288][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.726467][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.726644][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   13.726859][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.727005][   T68] CR2: 00007f9ee6aec574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   13.727182][   T68] PKRU: 55555554
[   13.727271][   T68] Call Trace:
[   13.727358][   T68]  <TASK>
[   13.727421][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.727575][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.727721][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.727846][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.727968][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.728087][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.728207][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.728327][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.728453][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   13.728569][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.728691][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   13.728810][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.728935][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.729054][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.729171][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.729291][   T68]  process_one_work (kernel/workqueue.c:3314)
[   13.729413][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.729537][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.729659][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.729782][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.729907][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.730026][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.730144][   T68]  kthread (kernel/kthread.c:436)
[   13.730234][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.730381][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.730504][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.730625][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.730774][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.730900][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.731018][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.733344][   T68] ------------[ cut here ]------------
| [   13.733476][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   13.733710][   T68] Modules linked in: vxlan
| [   13.734104][   T68] Tainted: [W]=WARN
[   13.734194][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.734347][   T68] Workqueue: netns cleanup_net
[   13.734480][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.734647][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.735156][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   13.735305][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fef4e40 RCX: 1ff4000000092eed
[   13.735486][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fef4efc
[   13.735662][   T68] RBP: ff1100000f0a4000 R08: 1fe2200001fde9e1 R09: ff1100000915aed0
[   13.735845][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.736028][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.736206][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   13.736411][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.736565][   T68] CR2: 00007f9ee6aec574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   13.736745][   T68] PKRU: 55555554
[   13.736841][   T68] Call Trace:
[   13.736932][   T68]  <TASK>
[   13.736993][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.737143][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.737296][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.737416][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.737546][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.737666][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.737785][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.737911][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.738032][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   13.738159][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.738285][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   13.738402][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.738525][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.738645][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.738764][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.738890][   T68]  process_one_work (kernel/workqueue.c:3314)
[   13.739012][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.739128][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.739253][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.739373][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.739496][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.739617][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.739735][   T68]  kthread (kernel/kthread.c:436)
[   13.739829][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.739976][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.740094][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.740215][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.740365][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.740490][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.740610][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.743395][   T68] ------------[ cut here ]------------
| [   13.743542][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   13.743918][   T68] Modules linked in: vxlan
| [   13.744326][   T68] Tainted: [W]=WARN
[   13.744416][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.744592][   T68] Workqueue: netns cleanup_net
[   13.744715][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.744928][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.745346][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   13.745551][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fef5540 RCX: 1ff4000000092eed
[   13.745727][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fef55fc
[   13.745950][   T68] RBP: ff110000091fc000 R08: 1fe2200001fdeac1 R09: ff1100000915aed0
[   13.746130][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.746307][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.746487][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   13.746691][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.746887][   T68] CR2: 00007f9ee6aec574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   13.747065][   T68] PKRU: 55555554
[   13.747154][   T68] Call Trace:
[   13.747242][   T68]  <TASK>
[   13.747305][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.747459][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.747611][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.747735][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.747901][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.748020][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.748139][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.748258][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.748378][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   13.748502][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.748623][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   13.748741][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.748917][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.749037][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.749155][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.749278][   T68]  process_one_work (kernel/workqueue.c:3314)
[   13.749399][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.749522][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.749648][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.749768][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.749954][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.750074][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.750192][   T68]  kthread (kernel/kthread.c:436)
[   13.750281][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.750429][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.750553][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.750671][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.750826][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.750953][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.751073][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.753568][   T68] ------------[ cut here ]------------
| [   13.753774][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   13.754072][   T68] Modules linked in: vxlan
| [   13.754469][   T68] Tainted: [W]=WARN
[   13.754633][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.754784][   T68] Workqueue: netns cleanup_net
[   13.754960][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.755115][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.755671][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   13.755871][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fef58c0 RCX: 1ff4000000092eed
[   13.756046][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fef597c
[   13.756221][   T68] RBP: ff11000008d69000 R08: 1fe2200001fdeb31 R09: ff1100000915aed0
[   13.756397][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.756581][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.756877][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   13.757083][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.757232][   T68] CR2: 00007f9ee6aec574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   13.757415][   T68] PKRU: 55555554
[   13.757509][   T68] Call Trace:
[   13.757596][   T68]  <TASK>
[   13.757731][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.757930][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.758077][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.758196][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.758316][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.758434][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.758632][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.758754][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.758923][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   13.759039][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.759161][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   13.759278][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.759400][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.759601][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.759718][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.759882][   T68]  process_one_work (kernel/workqueue.c:3314)
[   13.760004][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.760122][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.760243][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.760436][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.760563][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.760685][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.760805][   T68]  kthread (kernel/kthread.c:436)
[   13.761014][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.761161][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.761280][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.761399][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.761555][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.761676][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.761796][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.764617][   T68] ------------[ cut here ]------------
| [   13.764758][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   13.765000][   T68] Modules linked in: vxlan
| [   13.765397][   T68] Tainted: [W]=WARN
[   13.765496][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.765647][   T68] Workqueue: netns cleanup_net
[   13.765772][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.765936][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.766360][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   13.766519][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fef5c40 RCX: 1ff4000000092eed
[   13.766695][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fef5cfc
[   13.766881][   T68] RBP: ff110000085bc000 R08: 1fe2200001fdeba1 R09: ff1100000915aed0
[   13.767057][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.767232][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.767413][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   13.767628][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.767777][   T68] CR2: 00007f4d6242c2a0 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   13.767963][   T68] PKRU: 55555554
[   13.768053][   T68] Call Trace:
[   13.768143][   T68]  <TASK>
[   13.768205][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.768357][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.768509][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   13.768629][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.768750][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.768875][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.768996][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.769118][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.769239][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   13.769357][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.769484][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   13.769604][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.769732][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.769860][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.769977][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.770098][   T68]  process_one_work (kernel/workqueue.c:3314)
[   13.770223][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.770341][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.770475][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.770597][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.770714][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.770840][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.770959][   T68]  kthread (kernel/kthread.c:436)
[   13.771049][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.771197][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.771320][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.771447][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.771600][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.771720][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.771846][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.785604][   T68] ------------[ cut here ]------------
| [   13.785735][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   13.785987][   T68] Modules linked in: vxlan
| [   13.786404][   T68] Tainted: [W]=WARN
[   13.786507][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.786664][   T68] Workqueue: netns cleanup_net
[   13.786795][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.787117][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.787576][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   13.787739][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fef5e00 RCX: 1ff4000000092eaf
[   13.787975][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fef5ebc
[   13.788165][   T68] RBP: ff1100000924c000 R08: 1fe2200001fdebd9 R09: ff1100000915aed0
[   13.788355][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   13.788547][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   13.788736][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   13.789006][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.789170][   T68] CR2: 00007f4d6242c2a0 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   13.789412][   T68] PKRU: 55555554
[   13.789511][   T68] Call Trace:
[   13.789606][   T68]  <TASK>
[   13.789672][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.789801][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.789940][   T68]  netif_close_many (net/core/dev.c:1804)
[   13.790068][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.790197][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.790321][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.790450][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   13.790577][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.790734][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.790897][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.791022][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.791146][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   13.791272][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.791432][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.791566][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.791694][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.791826][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.791954][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.792082][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.792211][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   13.792336][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.792472][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   13.792602][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.792729][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.792865][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.792992][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.793119][   T68]  process_one_work (kernel/workqueue.c:3314)
[   13.793250][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.793376][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.793515][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.793644][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.793770][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.793906][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.794032][   T68]  kthread (kernel/kthread.c:436)
[   13.794128][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.794286][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.794413][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.794547][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.794704][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.794835][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.794978][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.797339][   T68] ------------[ cut here ]------------
| [   13.797473][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   13.797712][   T68] Modules linked in: vxlan
| [   13.798567][   T68] Tainted: [W]=WARN
[   13.798660][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.798811][   T68] Workqueue: netns cleanup_net
[   13.798990][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.799149][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.799587][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   13.799738][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a196740 RCX: 1ff4000000092ed5
[   13.799966][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1967fc
[   13.800145][   T68] RBP: ff1100000924c000 R08: 1fe2200001432d01 R09: ff1100000915aed0
[   13.800326][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.800513][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.800698][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   13.800955][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.801106][   T68] CR2: 00007f4d6242c2a0 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   13.801287][   T68] PKRU: 55555554
[   13.801379][   T68] Call Trace:
[   13.801475][   T68]  <TASK>
[   13.801539][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.801698][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.801900][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.802023][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.802146][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.802268][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.802390][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   13.802519][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.802643][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   13.802763][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.802935][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   13.803055][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.803175][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.803296][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.803415][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.803542][   T68]  process_one_work (kernel/workqueue.c:3314)
[   13.803667][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.803789][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.803976][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.804099][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.804219][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.804342][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.804467][   T68]  kthread (kernel/kthread.c:436)
[   13.804562][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.804712][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.804883][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.805002][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.805152][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.805271][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.805397][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.923023][  T376] ------------[ cut here ]------------
| [   13.923222][  T376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/376
| [   13.923513][  T376] Modules linked in: vxlan
| [   13.924025][  T376] Tainted: [W]=WARN
[   13.924172][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.924384][  T376] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.924614][  T376] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.925136][  T376] RSP: 0018:ffa0000000c57a80 EFLAGS: 00010286
[   13.925351][  T376] RAX: 00000000ffffffa6 RBX: ff1100000cde7000 RCX: 1ff400000018af16
[   13.925603][  T376] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde70bc
[   13.925857][  T376] RBP: ff1100000f6c4000 R08: 1fe22000019bce19 R09: ff1100000aa48b80
[   13.926101][  T376] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.926345][  T376] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f6c4000
[   13.926602][  T376] FS:  00007f0532fd3840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   13.926893][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.927106][  T376] CR2: 00007f05331da430 CR3: 000000000c3a2006 CR4: 0000000000771ef0
[   13.927352][  T376] PKRU: 55555554
[   13.927506][  T376] Call Trace:
[   13.927654][  T376]  <TASK>
[   13.927771][  T376]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.927965][  T376]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.928145][  T376]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.928294][  T376]  register_netdevice (net/core/dev.c:11488)
[   13.928481][  T376]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.928696][  T376]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.928890][  T376]  register_netdev (net/core/dev.c:11552)
[   13.929071][  T376]  loopback_net_init (drivers/net/loopback.c:218)
[   13.929253][  T376]  ops_init (net/core/net_namespace.c:137)
[   13.929402][  T376]  setup_net (net/core/net_namespace.c:446)
[   13.929558][  T376]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.929735][  T376]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.929928][  T376]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.930112][  T376]  copy_net_ns (net/core/net_namespace.c:579)
[   13.930296][  T376]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.930485][  T376]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.930670][  T376]  ksys_unshare (kernel/fork.c:3243)
[   13.930865][  T376]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.931047][  T376]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.931230][  T376]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.931412][  T376]  ? __ia32_sys_open (fs/open.c:1374)
[   13.931602][  T376]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.931781][  T376]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.931972][  T376]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.932150][  T376]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.932330][  T376]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.932519][  T376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.932733][  T376] RIP: 0033:0x7f0533295bcb
[   13.932932][  T376] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.933455][  T376] RSP: 002b:00007ffdb11d9578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.933700][  T376] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0533295bcb
[   13.933956][  T376] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.934202][  T376] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.934453][  T376] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb11db7a0
[   13.934700][  T376] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb11dc88c
| [   13.939379][  T376] ------------[ cut here ]------------
| [   13.939564][  T376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/376
| [   13.940094][  T376] Modules linked in: vxlan
| [   13.940587][  T376] Tainted: [W]=WARN
[   13.940733][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.940956][  T376] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.941179][  T376] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.941691][  T376] RSP: 0018:ffa0000000c57918 EFLAGS: 00010286
[   13.941917][  T376] RAX: 00000000ffffffa6 RBX: ff1100000947b8c0 RCX: 1ff400000018aee9
[   13.942159][  T376] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947b97c
[   13.942399][  T376] RBP: ff1100000c271000 R08: 1fe220000128f731 R09: ff1100000aa48b80
[   13.942646][  T376] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.942898][  T376] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c271000
[   13.943139][  T376] FS:  00007f0532fd3840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   13.943415][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.943632][  T376] CR2: 00007f05331da430 CR3: 000000000c3a2006 CR4: 0000000000771ef0
[   13.943888][  T376] PKRU: 55555554
[   13.944031][  T376] Call Trace:
[   13.944175][  T376]  <TASK>
[   13.944288][  T376]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.944475][  T376]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.944654][  T376]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.944802][  T376]  register_netdevice (net/core/dev.c:11488)
[   13.944995][  T376]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.945206][  T376]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.945386][  T376]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.945574][  T376]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.945756][  T376]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.945949][  T376]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.946128][  T376]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.946308][  T376]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.946494][  T376]  ops_init (net/core/net_namespace.c:137)
[   13.946642][  T376]  setup_net (net/core/net_namespace.c:446)
[   13.946788][  T376]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.946975][  T376]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.947156][  T376]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.947337][  T376]  copy_net_ns (net/core/net_namespace.c:579)
[   13.947525][  T376]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.947705][  T376]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.947898][  T376]  ksys_unshare (kernel/fork.c:3243)
[   13.948077][  T376]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.948258][  T376]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.948436][  T376]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.948623][  T376]  ? __ia32_sys_open (fs/open.c:1374)
[   13.948803][  T376]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.948992][  T376]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.949170][  T376]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.949348][  T376]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.949532][  T376]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.949715][  T376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.949935][  T376] RIP: 0033:0x7f0533295bcb
[   13.950120][  T376] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.950637][  T376] RSP: 002b:00007ffdb11d9578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.950897][  T376] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0533295bcb
[   13.951136][  T376] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.951375][  T376] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.951718][  T376] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb11db7a0
[   13.951970][  T376] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb11dc88c
| [   13.956234][  T376] ------------[ cut here ]------------
| [   13.956408][  T376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/376
| [   13.956690][  T376] Modules linked in: vxlan
| [   13.957885][  T376] Tainted: [W]=WARN
[   13.958095][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.958364][  T376] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.958650][  T376] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.959229][  T376] RSP: 0018:ffa0000000c578f8 EFLAGS: 00010286
[   13.959506][  T376] RAX: 00000000ffffffa6 RBX: ff1100000c786ac0 RCX: 1ff400000018aee5
[   13.959809][  T376] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c786b7c
[   13.960123][  T376] RBP: ff1100000f5a9000 R08: 1fe22000018f0d71 R09: ff1100000aa48b80
[   13.960424][  T376] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.960733][  T376] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5a9000
[   13.961050][  T376] FS:  00007f0532fd3840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   13.961386][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.961663][  T376] CR2: 00007f05331da430 CR3: 000000000c3a2006 CR4: 0000000000771ef0
[   13.961981][  T376] PKRU: 55555554
[   13.962182][  T376] Call Trace:
[   13.962382][  T376]  <TASK>
[   13.962562][  T376]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.962801][  T376]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.963053][  T376]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.963258][  T376]  register_netdevice (net/core/dev.c:11488)
[   13.963502][  T376]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.963771][  T376]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.964020][  T376]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.964258][  T376]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.964438][  T376]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.964629][  T376]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.964812][  T376]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.965008][  T376]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.965193][  T376]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.965376][  T376]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.965571][  T376]  ops_init (net/core/net_namespace.c:137)
[   13.965726][  T376]  setup_net (net/core/net_namespace.c:446)
[   13.965889][  T376]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.966068][  T376]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.966249][  T376]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.966432][  T376]  copy_net_ns (net/core/net_namespace.c:579)
[   13.966623][  T376]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.966807][  T376]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.967003][  T376]  ksys_unshare (kernel/fork.c:3243)
[   13.967183][  T376]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.967362][  T376]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.967549][  T376]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.967732][  T376]  ? __ia32_sys_open (fs/open.c:1374)
[   13.967927][  T376]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.968107][  T376]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.968285][  T376]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.968471][  T376]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.968652][  T376]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.968845][  T376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.969056][  T376] RIP: 0033:0x7f0533295bcb
[   13.969240][  T376] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.969758][  T376] RSP: 002b:00007ffdb11d9578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.970018][  T376] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0533295bcb
[   13.970261][  T376] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.970512][  T376] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.970758][  T376] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb11db7a0
[   13.971015][  T376] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb11dc88c
| [   13.981136][  T376] ------------[ cut here ]------------
| [   13.981283][  T376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/376
| [   13.981514][  T376] Modules linked in: vxlan
| [   13.981924][  T376] Tainted: [W]=WARN
[   13.982023][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.982189][  T376] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.982360][  T376] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.982833][  T376] RSP: 0018:ffa0000000c57a78 EFLAGS: 00010286
[   13.983001][  T376] RAX: 00000000ffffffa6 RBX: ff1100000c404580 RCX: 1ff400000018af15
[   13.983199][  T376] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c40463c
[   13.983397][  T376] RBP: ff1100000fc69000 R08: 1fe22000018808c9 R09: ff1100000aa48b80
[   13.983597][  T376] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.983793][  T376] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc69000
[   13.983996][  T376] FS:  00007f0532fd3840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   13.984227][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.984393][  T376] CR2: 000055bc7d569d5c CR3: 000000000c3a2006 CR4: 0000000000771ef0
[   13.984596][  T376] PKRU: 55555554
[   13.984695][  T376] Call Trace:
[   13.984793][  T376]  <TASK>
[   13.984867][  T376]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.984998][  T376]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.985130][  T376]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.985230][  T376]  register_netdevice (net/core/dev.c:11488)
[   13.985364][  T376]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.985533][  T376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.985670][  T376]  register_netdev (net/core/dev.c:11552)
[   13.985803][  T376]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.985943][  T376]  ops_init (net/core/net_namespace.c:137)
[   13.986045][  T376]  setup_net (net/core/net_namespace.c:446)
[   13.986145][  T376]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.986276][  T376]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.986408][  T376]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.986547][  T376]  copy_net_ns (net/core/net_namespace.c:579)
[   13.986679][  T376]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.986812][  T376]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.986949][  T376]  ksys_unshare (kernel/fork.c:3243)
[   13.987080][  T376]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.987211][  T376]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.987342][  T376]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.987479][  T376]  ? __ia32_sys_open (fs/open.c:1374)
[   13.987611][  T376]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.987741][  T376]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.987877][  T376]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.988007][  T376]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.988140][  T376]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.988271][  T376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.988433][  T376] RIP: 0033:0x7f0533295bcb
[   13.988576][  T376] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.989047][  T376] RSP: 002b:00007ffdb11d9578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.989241][  T376] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0533295bcb
[   13.989437][  T376] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.989638][  T376] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.989836][  T376] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb11db7a0
[   13.990031][  T376] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb11dc88c
| [   13.994215][  T376] ------------[ cut here ]------------
| [   13.994350][  T376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/376
| [   13.994581][  T376] Modules linked in: vxlan
| [   13.994990][  T376] Tainted: [W]=WARN
[   13.995089][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.995254][  T376] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.995424][  T376] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.995901][  T376] RSP: 0018:ffa0000000c57a68 EFLAGS: 00010286
[   13.996068][  T376] RAX: 00000000ffffffa6 RBX: ff1100000c404ac0 RCX: 1ff400000018af13
[   13.996264][  T376] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c404b7c
[   13.996464][  T376] RBP: ff1100000f971000 R08: 1fe2200001880971 R09: ff1100000aa48b80
[   13.996658][  T376] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.996858][  T376] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f971000
[   13.997055][  T376] FS:  00007f0532fd3840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   13.997284][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.997453][  T376] CR2: 000055bc7d569d5c CR3: 000000000c3a2006 CR4: 0000000000771ef0
[   13.997651][  T376] PKRU: 55555554
[   13.997748][  T376] Call Trace:
[   13.997851][  T376]  <TASK>
[   13.997918][  T376]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.998049][  T376]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.998181][  T376]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.998282][  T376]  register_netdevice (net/core/dev.c:11488)
[   13.998415][  T376]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.998587][  T376]  register_netdev (net/core/dev.c:11552)
[   13.998719][  T376]  sit_init_net (net/ipv6/sit.c:1860)
[   13.998858][  T376]  ops_init (net/core/net_namespace.c:137)
[   13.998958][  T376]  setup_net (net/core/net_namespace.c:446)
[   13.999058][  T376]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.999190][  T376]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.999320][  T376]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.999455][  T376]  copy_net_ns (net/core/net_namespace.c:579)
[   13.999587][  T376]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.999722][  T376]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.999860][  T376]  ksys_unshare (kernel/fork.c:3243)
[   13.999991][  T376]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.000122][  T376]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.000251][  T376]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.000383][  T376]  ? __ia32_sys_open (fs/open.c:1374)
[   14.000521][  T376]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.000650][  T376]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.000780][  T376]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.000916][  T376]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.001047][  T376]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.001178][  T376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.001340][  T376] RIP: 0033:0x7f0533295bcb
[   14.001482][  T376] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.001950][  T376] RSP: 002b:00007ffdb11d9578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.002149][  T376] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0533295bcb
[   14.002343][  T376] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.002543][  T376] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.002737][  T376] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb11db7a0
[   14.002937][  T376] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb11dc88c
| [   14.007547][  T376] ------------[ cut here ]------------
| [   14.007685][  T376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/376
| [   14.007921][  T376] Modules linked in: vxlan
| [   14.008316][  T376] Tainted: [W]=WARN
[   14.008415][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.008583][  T376] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.008753][  T376] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.009222][  T376] RSP: 0018:ffa0000000c57a78 EFLAGS: 00010286
[   14.009386][  T376] RAX: 00000000ffffffa6 RBX: ff1100000c32d700 RCX: 1ff400000018af15
[   14.009586][  T376] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32d7bc
[   14.009781][  T376] RBP: ff1100000f42c000 R08: 1fe2200001865af9 R09: ff1100000aa48b80
[   14.009982][  T376] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.010177][  T376] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f42c000
[   14.010374][  T376] FS:  00007f0532fd3840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   14.010609][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.010776][  T376] CR2: 000055bc7d569d5c CR3: 000000000c3a2006 CR4: 0000000000771ef0
[   14.010980][  T376] PKRU: 55555554
[   14.011079][  T376] Call Trace:
[   14.011177][  T376]  <TASK>
[   14.011245][  T376]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.011376][  T376]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.011510][  T376]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.011609][  T376]  register_netdevice (net/core/dev.c:11488)
[   14.011741][  T376]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.011908][  T376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.012042][  T376]  register_netdev (net/core/dev.c:11552)
[   14.012175][  T376]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.012306][  T376]  ops_init (net/core/net_namespace.c:137)
[   14.012406][  T376]  setup_net (net/core/net_namespace.c:446)
[   14.012511][  T376]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.012640][  T376]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.012770][  T376]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.012906][  T376]  copy_net_ns (net/core/net_namespace.c:579)
[   14.013039][  T376]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.013172][  T376]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.013303][  T376]  ksys_unshare (kernel/fork.c:3243)
[   14.013432][  T376]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.013567][  T376]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.013696][  T376]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.013833][  T376]  ? __ia32_sys_open (fs/open.c:1374)
[   14.013966][  T376]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.014096][  T376]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.014225][  T376]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.014353][  T376]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.014486][  T376]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.014616][  T376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.014775][  T376] RIP: 0033:0x7f0533295bcb
[   14.014916][  T376] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.015380][  T376] RSP: 002b:00007ffdb11d9578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.015590][  T376] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0533295bcb
[   14.015784][  T376] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.015986][  T376] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.016180][  T376] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb11db7a0
[   14.016373][  T376] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb11dc88c
| [   14.053406][  T377] ------------[ cut here ]------------
| [   14.053560][  T377] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/377
| [   14.053791][  T377] Modules linked in: vxlan
| [   14.054201][  T377] Tainted: [W]=WARN
[   14.054300][  T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.054469][  T377] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.054640][  T377] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.055115][  T377] RSP: 0018:ffa0000000c67020 EFLAGS: 00010286
[   14.055283][  T377] RAX: 00000000ffffffa6 RBX: ff1100000ca8b380 RCX: 1ff400000018cdca
[   14.055484][  T377] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca8b43c
[   14.055685][  T377] RBP: ff1100000f6c4000 R08: 1fe2200001951689 R09: ff1100000aa4ae58
[   14.055893][  T377] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.056089][  T377] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.056286][  T377] FS:  00007f37df620840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   14.056521][  T377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.056686][  T377] CR2: 00007f37df8f01a0 CR3: 0000000009917004 CR4: 0000000000771ef0
[   14.056890][  T377] PKRU: 55555554
[   14.056989][  T377] Call Trace:
[   14.057087][  T377]  <TASK>
[   14.057155][  T377]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.057289][  T377]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.057392][  T377]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.057527][  T377]  __dev_notify_flags (net/core/dev.c:9787)
[   14.057660][  T377]  ? netif_change_name (net/core/dev.c:1495)
[   14.057793][  T377]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.057931][  T377]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.058062][  T377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.058195][  T377]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.058329][  T377]  netif_change_flags (net/core/dev.c:9820)
[   14.058466][  T377]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.058598][  T377]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.058732][  T377]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.058868][  T377]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.059032][  T377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.059163][  T377]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.059293][  T377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.059423][  T377]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.059561][  T377]  ? __kernel_text_address (kernel/extable.c:79)
[   14.059694][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.060061][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.060192][  T377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.060323][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.060456][  T377]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.060586][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.060720][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.060858][  T377]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.060991][  T377]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.061124][  T377]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.061255][  T377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.061386][  T377]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.061526][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.061660][  T377]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.061796][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.061930][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.062061][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.062192][  T377]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.062323][  T377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.062459][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.062590][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.062721][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.062861][  T377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.062993][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.063126][  T377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.063256][  T377]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.063386][  T377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.063519][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.063653][  T377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.063784][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.063922][  T377]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.064054][  T377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.064184][  T377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.064321][  T377]  ? 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))
[   14.064457][  T377]  ? 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))
[   14.064589][  T377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.064722][  T377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.064863][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.064997][  T377]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.065130][  T377]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.065262][  T377]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.065397][  T377]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.065536][  T377]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.065667][  T377]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.065836][  T377]  ? move_addr_to_kernel (net/socket.c:258)
[   14.065969][  T377]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.066100][  T377]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.066236][  T377]  ___sys_sendmsg (net/socket.c:2752)
[   14.066367][  T377]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.066536][  T377]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.066680][  T377]  __sys_sendmsg (net/socket.c:2784)
[   14.066813][  T377]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.066948][  T377]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.067114][  T377]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.067246][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.067378][  T377]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.067514][  T377]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.067645][  T377]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.067777][  T377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.067947][  T377] RIP: 0033:0x7f37df85a08e
[   14.068085][  T377] 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
[   14.068557][  T377] RSP: 002b:00007ffc7d56f640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.068755][  T377] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f37df85a08e
[   14.068975][  T377] RDX: 0000000000000000 RSI: 00007ffc7d56f6f0 RDI: 0000000000000005
[   14.069175][  T377] RBP: 00007ffc7d56f650 R08: 0000000000000000 R09: 0000000000000000
[   14.069370][  T377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ad
[   14.069571][  T377] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7d56fdc0
| [   14.175628][  T380] ------------[ cut here ]------------
| [   14.176385][  T380] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/380
| [   14.176688][  T380] Modules linked in: vxlan
| [   14.177229][  T380] Tainted: [W]=WARN
[   14.177382][  T380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.177616][  T380] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.177863][  T380] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.178410][  T380] RSP: 0018:ffa0000000c96fd0 EFLAGS: 00010286
[   14.178642][  T380] RAX: 00000000ffffffa6 RBX: ff1100000cde71c0 RCX: 1ff4000000192dc0
[   14.178909][  T380] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde727c
[   14.179166][  T380] RBP: ff1100000f572000 R08: 1fe22000019bce51 R09: ff1100000f19d180
[   14.179422][  T380] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.179686][  T380] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f572e44
[   14.179960][  T380] FS:  00007f93dc36d840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   14.180255][  T380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.180488][  T380] CR2: 0000000000437490 CR3: 0000000004c5f005 CR4: 0000000000771ef0
[   14.180748][  T380] PKRU: 55555554
[   14.180910][  T380] Call Trace:
[   14.181063][  T380]  <TASK>
[   14.181183][  T380]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.181373][  T380]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   14.181580][  T380]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.181738][  T380]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   14.181942][  T380]  __dev_notify_flags (net/core/dev.c:9787)
[   14.182134][  T380]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.182325][  T380]  ? netif_change_name (net/core/dev.c:1495)
[   14.182524][  T380]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   14.182717][  T380]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.182924][  T380] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   14.183119][  T380]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   14.183313][  T380] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   14.183516][  T380]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   14.183713][  T380]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.183914][  T380]  ? nla_strscpy (lib/nlattr.c:795)
[   14.184106][  T380]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.184296][  T380]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.184492][  T380]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.184680][  T380]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.184887][  T380]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.185082][  T380]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.185271][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.185466][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.185655][  T380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.185859][  T380]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.186046][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.186240][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.186429][  T380]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.186627][  T380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.186815][  T380]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.187016][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.187202][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.187392][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.187587][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.187776][  T380]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.187978][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.188169][  T380]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.188362][  T380]  ? 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))
[   14.188557][  T380]  ? 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))
[   14.188747][  T380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.188949][  T380]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.189138][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.189328][  T380]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.189526][  T380]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.189714][  T380]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.189917][  T380]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.190108][  T380]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.190296][  T380]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.190526][  T380]  ? move_addr_to_kernel (net/socket.c:258)
[   14.190720][  T380]  ___sys_sendmsg (net/socket.c:2752)
[   14.190920][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.191109][  T380]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.191306][  T380]  ? 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))
[   14.191506][  T380]  __sys_sendmsg (net/socket.c:2784)
[   14.191698][  T380]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.191907][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.192098][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.192287][  T380]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.192483][  T380]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.192673][  T380]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.192875][  T380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.193097][  T380] RIP: 0033:0x7f93dc5a708e
[   14.193292][  T380] 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
[   14.193857][  T380] RSP: 002b:00007ffd277009c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.194116][  T380] RAX: ffffffffffffffda RBX: 00007ffd27701170 RCX: 00007f93dc5a708e
[   14.194374][  T380] RDX: 0000000000000000 RSI: 00007ffd27700a70 RDI: 0000000000000005
[   14.194637][  T380] RBP: 00007ffd277009d0 R08: 0000000000000000 R09: 0000000000000000
[   14.194908][  T380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ad
[   14.195165][  T380] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd27701140
| [   14.222600][  T381] ------------[ cut here ]------------
| [   14.222761][  T381] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/381
| [   14.223869][  T381] Modules linked in: vxlan
| [   14.224310][  T381] Tainted: [W]=WARN
[   14.224418][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.224601][  T381] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.224786][  T381] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.225391][  T381] RSP: 0018:ffa0000000ca6fd0 EFLAGS: 00010286
[   14.225579][  T381] RAX: 00000000ffffffa6 RBX: ff11000009c4c740 RCX: 1ff4000000194dc0
[   14.225792][  T381] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4c7fc
[   14.226089][  T381] RBP: ff1100000fbd2000 R08: 1fe2200001389901 R09: ff1100000e64ae80
[   14.226300][  T381] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.226517][  T381] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbd2e44
[   14.226731][  T381] FS:  00007f8001d4e840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   14.227068][  T381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.227246][  T381] CR2: 0000000000437490 CR3: 000000000fa2f003 CR4: 0000000000771ef0
[   14.227463][  T381] PKRU: 55555554
[   14.227569][  T381] Call Trace:
[   14.227675][  T381]  <TASK>
[   14.227749][  T381]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.227950][  T381]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   14.228097][  T381]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.228203][  T381]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   14.228346][  T381]  __dev_notify_flags (net/core/dev.c:9787)
[   14.228491][  T381]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.228634][  T381]  ? netif_change_name (net/core/dev.c:1495)
[   14.228776][  T381]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   14.228927][  T381]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.229070][  T381] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   14.229217][  T381]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   14.229364][  T381] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   14.229513][  T381]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   14.229660][  T381]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.229802][  T381]  ? nla_strscpy (lib/nlattr.c:795)
[   14.229953][  T381]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.230096][  T381]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.230238][  T381]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.230380][  T381]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.230534][  T381]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.230681][  T381]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.230829][  T381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.230970][  T381]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.231112][  T381]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.231251][  T381]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.231391][  T381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.231542][  T381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.231685][  T381]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.231832][  T381]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.231974][  T381]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.232114][  T381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.232253][  T381]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.232396][  T381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.232541][  T381]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.232681][  T381]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.232830][  T381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.232972][  T381]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.233116][  T381]  ? 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))
[   14.233255][  T381]  ? 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))
[   14.233399][  T381]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.233546][  T381]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.233687][  T381]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.233849][  T381]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.233992][  T381]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.234135][  T381]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.234278][  T381]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.234419][  T381]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.234561][  T381]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.234733][  T381]  ? move_addr_to_kernel (net/socket.c:258)
[   14.234885][  T381]  ___sys_sendmsg (net/socket.c:2752)
[   14.235027][  T381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.235169][  T381]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.235318][  T381]  ? 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))
[   14.235462][  T381]  __sys_sendmsg (net/socket.c:2784)
[   14.235605][  T381]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.235751][  T381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.235900][  T381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.236048][  T381]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.236190][  T381]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.236331][  T381]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.236476][  T381]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.236651][  T381] RIP: 0033:0x7f8001f8808e
[   14.236799][  T381] 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
[   14.237302][  T381] RSP: 002b:00007ffe34d497d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.237518][  T381] RAX: ffffffffffffffda RBX: 00007ffe34d49f80 RCX: 00007f8001f8808e
[   14.237725][  T381] RDX: 0000000000000000 RSI: 00007ffe34d49880 RDI: 0000000000000005
[   14.237939][  T381] RBP: 00007ffe34d497e0 R08: 0000000000000000 R09: 0000000000000000
[   14.238148][  T381] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ad
[   14.238355][  T381] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe34d49f50
| [   14.266985][  T382] ------------[ cut here ]------------
| [   14.267172][  T382] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/382
| [   14.267461][  T382] Modules linked in: vxlan
| [   14.267988][  T382] Tainted: [W]=WARN
[   14.268145][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.268360][  T382] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.268593][  T382] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.269123][  T382] RSP: 0018:ffa0000000cb71b0 EFLAGS: 00010286
[   14.269338][  T382] RAX: 00000000ffffffa6 RBX: ff1100000c88fc40 RCX: 1ff4000000196dfc
[   14.269591][  T382] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c88fcfc
[   14.269848][  T382] RBP: ff1100000f362000 R08: 1fe2200001911fa1 R09: ff1100000e64d180
[   14.270093][  T382] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.270337][  T382] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   14.270594][  T382] FS:  00007f8e81be1840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   14.270967][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.271297][  T382] CR2: 00007f8e81dda460 CR3: 000000000f9b7002 CR4: 0000000000771ef0
[   14.271654][  T382] PKRU: 55555554
[   14.271891][  T382] Call Trace:
[   14.272093][  T382]  <TASK>
[   14.272230][  T382]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.272411][  T382]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.272565][  T382]  __dev_notify_flags (net/core/dev.c:9787)
[   14.272749][  T382]  ? netif_change_name (net/core/dev.c:1495)
[   14.272941][  T382]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.273163][  T382]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.273346][  T382]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.273538][  T382]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   14.273725][  T382]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.273924][  T382]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.274107][  T382]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.274287][  T382]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.274480][  T382]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.274668][  T382]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.274863][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.275045][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.275227][  T382]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.275408][  T382]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.275595][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.275781][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.275976][  T382]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.276157][  T382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.276342][  T382]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.276526][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.276707][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.276904][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.277084][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.277267][  T382]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.277456][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.277641][  T382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.277841][  T382]  ? 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))
[   14.278022][  T382]  ? 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))
[   14.278206][  T382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.278390][  T382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.278581][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.278765][  T382]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.278963][  T382]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.279148][  T382]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.279334][  T382]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.279524][  T382]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.279707][  T382]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.279934][  T382]  ? move_addr_to_kernel (net/socket.c:258)
[   14.280122][  T382]  ___sys_sendmsg (net/socket.c:2752)
[   14.280304][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.280500][  T382]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.280695][  T382]  ? 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))
[   14.280895][  T382]  __sys_sendmsg (net/socket.c:2784)
[   14.281080][  T382]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.281268][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.281459][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.281643][  T382]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.281839][  T382]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.282025][  T382]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.282208][  T382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.282423][  T382] RIP: 0033:0x7f8e81e1b08e
[   14.282619][  T382] 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
[   14.283158][  T382] RSP: 002b:00007ffda2f30620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.283411][  T382] RAX: ffffffffffffffda RBX: 00007ffda2f30dc8 RCX: 00007f8e81e1b08e
[   14.283663][  T382] RDX: 0000000000000000 RSI: 00007ffda2f306d0 RDI: 0000000000000005
[   14.283924][  T382] RBP: 00007ffda2f30630 R08: 0000000000000000 R09: 0000000000000000
[   14.284171][  T382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ad
[   14.284421][  T382] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda2f30da0
| [   14.323598][  T383] ------------[ cut here ]------------
| [   14.323754][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/383
| [   14.324578][  T383] Modules linked in: vxlan
| [   14.325143][  T383] Tainted: [W]=WARN
[   14.325246][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.325417][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.325596][  T383] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.326140][  T383] RSP: 0018:ffa0000000cc71b0 EFLAGS: 00010286
[   14.326309][  T383] RAX: 00000000ffffffa6 RBX: ff1100000c7878c0 RCX: 1ff4000000198dfc
[   14.326515][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c78797c
[   14.326716][  T383] RBP: ff1100000f41a000 R08: 1fe22000018f0f31 R09: ff11000004d7ae80
[   14.326935][  T383] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.327136][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   14.327339][  T383] FS:  00007f6d9a86f840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   14.327577][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.327747][  T383] CR2: 00007f6d9aa68460 CR3: 000000000f9a7006 CR4: 0000000000771ef0
[   14.327956][  T383] PKRU: 55555554
[   14.328058][  T383] Call Trace:
[   14.328158][  T383]  <TASK>
[   14.328229][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.328366][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.328475][  T383]  __dev_notify_flags (net/core/dev.c:9787)
[   14.328611][  T383]  ? netif_change_name (net/core/dev.c:1495)
[   14.328747][  T383]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.328920][  T383]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.329057][  T383]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.329191][  T383]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   14.329329][  T383]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.329471][  T383]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.329605][  T383]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.329741][  T383]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.329892][  T383]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.330032][  T383]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.330168][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.330302][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.330437][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.330577][  T383]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.330710][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.330853][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.330988][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.331122][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.331258][  T383]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.331390][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.331528][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.331664][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.331796][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.331934][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.332068][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.332202][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.332339][  T383]  ? 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))
[   14.332477][  T383]  ? 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))
[   14.332613][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.332746][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.332887][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.333022][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.333156][  T383]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.333292][  T383]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.333427][  T383]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.333567][  T383]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.333700][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.333870][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   14.334008][  T383]  ___sys_sendmsg (net/socket.c:2752)
[   14.334141][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.334275][  T383]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.334417][  T383]  ? 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))
[   14.334558][  T383]  __sys_sendmsg (net/socket.c:2784)
[   14.334693][  T383]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.334835][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.334969][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.335104][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.335237][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.335372][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.335512][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.335677][  T383] RIP: 0033:0x7f6d9aaa908e
[   14.335818][  T383] 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
[   14.336300][  T383] RSP: 002b:00007ffff7b88f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.336507][  T383] RAX: ffffffffffffffda RBX: 00007ffff7b89718 RCX: 00007f6d9aaa908e
[   14.336706][  T383] RDX: 0000000000000000 RSI: 00007ffff7b89020 RDI: 0000000000000005
[   14.336912][  T383] RBP: 00007ffff7b88f80 R08: 0000000000000000 R09: 0000000000000000
[   14.337111][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ad
[   14.337311][  T383] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff7b896f0
| [   14.828373][  T412] ------------[ cut here ]------------
| [   14.828544][  T412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/412
| [   14.828774][  T412] Modules linked in: vxlan
| [   14.829183][  T412] Tainted: [W]=WARN
[   14.829279][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.829437][  T412] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.829613][  T412] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.830455][  T412] RSP: 0018:ffa0000000d37190 EFLAGS: 00010286
[   14.830621][  T412] RAX: 00000000ffffffa6 RBX: ff1100000fefa900 RCX: 1ff40000001a6df8
[   14.830810][  T412] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa9bc
[   14.831005][  T412] RBP: ff1100000f41a000 R08: 1fe2200001fdf539 R09: ff11000011830b58
[   14.831192][  T412] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.831379][  T412] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.831576][  T412] FS:  00007f84c8b0b840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   14.831799][  T412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.831965][  T412] CR2: 00000000324b0988 CR3: 000000000968d003 CR4: 0000000000771ef0
[   14.832161][  T412] PKRU: 55555554
[   14.832261][  T412] Call Trace:
[   14.832360][  T412]  <TASK>
[   14.832428][  T412]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.832601][  T412]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.832760][  T412]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.832895][  T412]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.833023][  T412]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.833186][  T412]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.833314][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.833439][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.833573][  T412]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.833702][  T412]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.833834][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.833980][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.834106][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.834233][  T412]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.834358][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.834491][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.834619][  T412]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   14.834750][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.834882][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.835014][  T412]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.835146][  T412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.835280][  T412]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.835409][  T412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.835543][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.835669][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.835797][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.835934][  T412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.836063][  T412]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.836191][  T412]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.836319][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.836454][  T412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.836586][  T412]  ? 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))
[   14.836713][  T412]  ? 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))
[   14.836848][  T412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.836979][  T412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.837111][  T412]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.837239][  T412]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.837368][  T412]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.837501][  T412]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.837632][  T412]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.837758][  T412]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.837889][  T412]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.838048][  T412]  ? move_addr_to_kernel (net/socket.c:258)
[   14.838178][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.838310][  T412]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.838439][  T412]  ___sys_sendmsg (net/socket.c:2752)
[   14.838571][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.838727][  T412]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.838876][  T412]  __sys_sendmsg (net/socket.c:2784)
[   14.839004][  T412]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.839130][  T412]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.839289][  T412]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.839415][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.839550][  T412]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.839679][  T412]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.839806][  T412]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.839941][  T412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.840097][  T412] RIP: 0033:0x7f84c8d4508e
[   14.840232][  T412] 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
[   14.840690][  T412] RSP: 002b:00007ffe29703b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.840888][  T412] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f84c8d4508e
[   14.841077][  T412] RDX: 0000000000000000 RSI: 00007ffe29703bc0 RDI: 0000000000000005
[   14.841265][  T412] RBP: 00007ffe29703b20 R08: 0000000000000000 R09: 0000000000000000
[   14.841460][  T412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ae
[   14.841652][  T412] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe29704290
| [   14.882214][  T413] ------------[ cut here ]------------
| [   14.882368][  T413] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/413
| [   14.882604][  T413] Modules linked in: vxlan
| [   14.883009][  T413] Tainted: [W]=WARN
[   14.883105][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.883262][  T413] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.883427][  T413] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.884587][  T413] RSP: 0018:ffa0000000d37190 EFLAGS: 00010286
[   14.884750][  T413] RAX: 00000000ffffffa6 RBX: ff1100000becf380 RCX: 1ff40000001a6df8
[   14.884995][  T413] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000becf43c
[   14.885186][  T413] RBP: ff1100000f362000 R08: 1fe22000017d9e89 R09: ff11000011832e58
[   14.885376][  T413] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.885569][  T413] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.885759][  T413] FS:  00007fa616b77840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   14.885993][  T413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.886153][  T413] CR2: 000000000ea57988 CR3: 00000000050f9003 CR4: 0000000000771ef0
[   14.886342][  T413] PKRU: 55555554
[   14.886437][  T413] Call Trace:
[   14.886537][  T413]  <TASK>
[   14.886603][  T413]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.886764][  T413]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.886935][  T413]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.887063][  T413]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.887190][  T413]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.887352][  T413]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.887486][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.887613][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.887741][  T413]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.887874][  T413]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.888001][  T413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.888144][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.888270][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.888396][  T413]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.888526][  T413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.888652][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.888776][  T413]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   14.888914][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.889039][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.889164][  T413]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.889289][  T413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.889417][  T413]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.889549][  T413]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.889675][  T413]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.889800][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.889931][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.890058][  T413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.890184][  T413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.890311][  T413]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.890437][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.890570][  T413]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.890700][  T413]  ? 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))
[   14.890831][  T413]  ? 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))
[   14.890961][  T413]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.891088][  T413]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.891214][  T413]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.891342][  T413]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.891477][  T413]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.891606][  T413]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.891735][  T413]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.891868][  T413]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.891994][  T413]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.892151][  T413]  ? move_addr_to_kernel (net/socket.c:258)
[   14.892279][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.892406][  T413]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.892540][  T413]  ___sys_sendmsg (net/socket.c:2752)
[   14.892666][  T413]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.892830][  T413]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.892967][  T413]  __sys_sendmsg (net/socket.c:2784)
[   14.893094][  T413]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.893220][  T413]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.893379][  T413]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.893511][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.893641][  T413]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.893772][  T413]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.893905][  T413]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.894032][  T413]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.894193][  T413] RIP: 0033:0x7fa616db108e
[   14.894328][  T413] 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
[   14.894784][  T413] RSP: 002b:00007ffc5a945490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.894980][  T413] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa616db108e
[   14.895169][  T413] RDX: 0000000000000000 RSI: 00007ffc5a945540 RDI: 0000000000000005
[   14.895359][  T413] RBP: 00007ffc5a9454a0 R08: 0000000000000000 R09: 0000000000000000
[   14.895554][  T413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ae
[   14.895744][  T413] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5a945c10
| [   14.942532][  T414] ------------[ cut here ]------------
| [   14.942717][  T414] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/414
| [   14.942999][  T414] Modules linked in: vxlan
| [   14.943482][  T414] Tainted: [W]=WARN
[   14.943624][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.944250][  T414] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.944470][  T414] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.944966][  T414] RSP: 0018:ffa0000000ab7190 EFLAGS: 00010286
[   14.945170][  T414] RAX: 00000000ffffffa6 RBX: ff1100000bece040 RCX: 1ff4000000156df8
[   14.945405][  T414] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bece0fc
[   14.945647][  T414] RBP: ff1100000fbd2000 R08: 1fe22000017d9c21 R09: ff11000011835158
[   14.945893][  T414] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.946124][  T414] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.946360][  T414] FS:  00007f1c5ebd9840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   14.946632][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.946849][  T414] CR2: 00000000196b7988 CR3: 000000000f44e003 CR4: 0000000000771ef0
[   14.947084][  T414] PKRU: 55555554
[   14.947225][  T414] Call Trace:
[   14.947370][  T414]  <TASK>
[   14.947489][  T414]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.947700][  T414]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.947918][  T414]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.948094][  T414]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.948267][  T414]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.948437][  T414]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.948618][  T414]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.948795][  T414]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.948980][  T414]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.949170][  T414]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.949341][  T414]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.949523][  T414]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.949695][  T414]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.949881][  T414]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.950056][  T414]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   14.950230][  T414]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.950401][  T414]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.950583][  T414]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.950758][  T414]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.950944][  T414]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.951116][  T414]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.951288][  T414]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.951469][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.951642][  T414]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.951816][  T414]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.952001][  T414]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.952175][  T414]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.952348][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.952526][  T414]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.952702][  T414]  ? 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))
[   14.952890][  T414]  ? 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))
[   14.953065][  T414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.953239][  T414]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.953412][  T414]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.953591][  T414]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.953765][  T414]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.953952][  T414]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.954130][  T414]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.954304][  T414]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.954483][  T414]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.954685][  T414]  ? move_addr_to_kernel (net/socket.c:258)
[   14.954872][  T414]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.955045][  T414]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.955219][  T414]  ___sys_sendmsg (net/socket.c:2752)
[   14.955393][  T414]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.955604][  T414]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.955790][  T414]  __sys_sendmsg (net/socket.c:2784)
[   14.955975][  T414]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.956147][  T414]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.956353][  T414]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.956536][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.956715][  T414]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.956902][  T414]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.957075][  T414]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.957248][  T414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.957458][  T414] RIP: 0033:0x7f1c5ee1308e
[   14.957637][  T414] 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
[   14.958141][  T414] RSP: 002b:00007fff571d6e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.958376][  T414] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1c5ee1308e
[   14.958614][  T414] RDX: 0000000000000000 RSI: 00007fff571d6f10 RDI: 0000000000000005
[   14.958858][  T414] RBP: 00007fff571d6e70 R08: 0000000000000000 R09: 0000000000000000
[   14.959093][  T414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ae
[   14.959326][  T414] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff571d75e0
| [   14.993149][  T415] ------------[ cut here ]------------
| [   14.993291][  T415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/415
| [   14.993516][  T415] Modules linked in: vxlan
| [   14.994052][  T415] Tainted: [W]=WARN
[   14.994148][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.994306][  T415] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.994476][  T415] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.994930][  T415] RSP: 0018:ffa0000000d57190 EFLAGS: 00010286
[   14.995089][  T415] RAX: 00000000ffffffa6 RBX: ff1100000cde6740 RCX: 1ff40000001aadf8
[   14.995279][  T415] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde67fc
[   14.995468][  T415] RBP: ff1100000f572000 R08: 1fe22000019bcd01 R09: ff1100000b788b58
[   14.995654][  T415] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.995847][  T415] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.996037][  T415] FS:  00007fd94addc840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   14.996257][  T415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.996413][  T415] CR2: 0000000030593988 CR3: 000000000f987006 CR4: 0000000000771ef0
[   14.996606][  T415] PKRU: 55555554
[   14.996700][  T415] Call Trace:
[   14.996792][  T415]  <TASK>
[   14.996865][  T415]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.997024][  T415]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.997183][  T415]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.997309][  T415]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   14.997434][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.997564][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.997689][  T415]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.997814][  T415]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.997944][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.998086][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.998211][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.998335][  T415]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.998463][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.998587][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.998713][  T415]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   14.998846][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.998971][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.999096][  T415]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.999221][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.999346][  T415]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   14.999475][  T415]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.999599][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.999731][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.999860][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.999988][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.000112][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.000237][  T415]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.000363][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.000492][  T415]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.000620][  T415]  ? 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))
[   15.000747][  T415]  ? 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))
[   15.000882][  T415]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.001009][  T415]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.001134][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.001260][  T415]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.001387][  T415]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.001518][  T415]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.001645][  T415]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.001771][  T415]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.001900][  T415]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.002055][  T415]  ? move_addr_to_kernel (net/socket.c:258)
[   15.002181][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.002308][  T415]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.002434][  T415]  ___sys_sendmsg (net/socket.c:2752)
[   15.002563][  T415]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.002718][  T415]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.002860][  T415]  __sys_sendmsg (net/socket.c:2784)
[   15.002986][  T415]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.003111][  T415]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.003269][  T415]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.003394][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.003524][  T415]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.003651][  T415]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.003775][  T415]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.003908][  T415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.004061][  T415] RIP: 0033:0x7fd94b01608e
[   15.004191][  T415] 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
[   15.004638][  T415] RSP: 002b:00007ffe2569ed10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.004832][  T415] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd94b01608e
[   15.005024][  T415] RDX: 0000000000000000 RSI: 00007ffe2569edc0 RDI: 0000000000000005
[   15.005209][  T415] RBP: 00007ffe2569ed20 R08: 0000000000000000 R09: 0000000000000000
[   15.005396][  T415] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ae
[   15.005585][  T415] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2569f490
| [   15.082014][   T68] ------------[ cut here ]------------
| [   15.082152][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   15.082391][   T68] Modules linked in: vxlan
| [   15.082794][   T68] Tainted: [W]=WARN
[   15.082893][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.083042][   T68] Workqueue: netns cleanup_net
[   15.083168][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.083322][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.083755][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   15.083917][   T68] RAX: 00000000ffffffa6 RBX: ff1100000947b540 RCX: 1ff4000000092eed
[   15.084092][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947b5fc
[   15.084266][   T68] RBP: ff1100000f42c000 R08: 1fe220000128f6c1 R09: ff1100000915aed0
[   15.084440][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.084621][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.084796][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   15.085007][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.085155][   T68] CR2: 000055bc7d569d5c CR3: 000000000fe3a006 CR4: 0000000000771ef0
[   15.085333][   T68] PKRU: 55555554
[   15.085421][   T68] Call Trace:
[   15.085512][   T68]  <TASK>
[   15.085575][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.085728][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.085935][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.086055][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.086176][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.086294][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.086413][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.086538][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.086659][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   15.086775][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.086950][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   15.087068][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.087184][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.087302][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.087420][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.087543][   T68]  process_one_work (kernel/workqueue.c:3314)
[   15.087664][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.087782][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.087929][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.088051][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.088173][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.088294][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.088411][   T68]  kthread (kernel/kthread.c:436)
[   15.088511][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.088657][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.088774][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.088900][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.089051][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.089169][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.089287][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.098421][   T68] ------------[ cut here ]------------
| [   15.098566][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   15.098807][   T68] Modules linked in: vxlan
| [   15.099218][   T68] Tainted: [W]=WARN
[   15.099311][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.099463][   T68] Workqueue: netns cleanup_net
[   15.099587][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.099741][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.100166][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   15.100318][   T68] RAX: 00000000ffffffa6 RBX: ff1100000becfe00 RCX: 1ff4000000092eed
[   15.100505][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000becfebc
[   15.100680][   T68] RBP: ff1100000f971000 R08: 1fe22000017d9fd9 R09: ff1100000915aed0
[   15.100860][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.101040][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.101220][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   15.101424][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.101576][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   15.101751][   T68] PKRU: 55555554
[   15.101847][   T68] Call Trace:
[   15.101938][   T68]  <TASK>
[   15.102001][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.102150][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.102295][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.102418][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.102730][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.102946][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.103066][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.103188][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.103308][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   15.103424][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.103546][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   15.103668][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.103785][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.104005][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.104122][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.104247][   T68]  process_one_work (kernel/workqueue.c:3314)
[   15.104368][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.104489][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.104610][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.104733][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.104942][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.105062][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.105181][   T68]  kthread (kernel/kthread.c:436)
[   15.105271][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.105418][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.105540][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.105659][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.105811][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.106022][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.106142][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.109198][   T68] ------------[ cut here ]------------
| [   15.109401][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   15.109659][   T68] Modules linked in: vxlan
| [   15.110093][   T68] Tainted: [W]=WARN
[   15.110182][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.110329][   T68] Workqueue: netns cleanup_net
[   15.110455][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.110610][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.111034][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   15.111188][   T68] RAX: 00000000ffffffa6 RBX: ff1100000da6e900 RCX: 1ff4000000092eed
[   15.111363][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6e9bc
[   15.111540][   T68] RBP: ff1100000fc69000 R08: 1fe2200001b4dd39 R09: ff1100000915aed0
[   15.111713][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.111890][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.112065][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   15.112270][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.112420][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   15.112599][   T68] PKRU: 55555554
[   15.112686][   T68] Call Trace:
[   15.112774][   T68]  <TASK>
[   15.112838][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.112989][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.113138][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.113255][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.113374][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.113494][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.113610][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.113728][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.113854][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   15.113969][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.114089][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   15.114208][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.114328][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.114448][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.114564][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.114684][   T68]  process_one_work (kernel/workqueue.c:3314)
[   15.114812][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.114935][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.115058][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.115175][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.115290][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.115409][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.115529][   T68]  kthread (kernel/kthread.c:436)
[   15.115618][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.115762][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.115884][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.116001][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.116145][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.116261][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.116383][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.118390][   T68] ------------[ cut here ]------------
| [   15.118526][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   15.118763][   T68] Modules linked in: vxlan
| [   15.119218][   T68] Tainted: [W]=WARN
[   15.119307][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.119465][   T68] Workqueue: netns cleanup_net
[   15.119590][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.119749][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.120189][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   15.120338][   T68] RAX: 00000000ffffffa6 RBX: ff1100000dbf8200 RCX: 1ff4000000092eed
[   15.120521][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf82bc
[   15.120698][   T68] RBP: ff1100000f5a9000 R08: 1fe2200001b7f059 R09: ff1100000915aed0
[   15.120881][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.121056][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.121235][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   15.121443][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.121600][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a003 CR4: 0000000000771ef0
[   15.121776][   T68] PKRU: 55555554
[   15.121871][   T68] Call Trace:
[   15.121958][   T68]  <TASK>
[   15.122019][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.122173][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.122319][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.122437][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.122561][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.122678][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.122796][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.122924][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.123044][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   15.123161][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.123283][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   15.123401][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.123527][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.123645][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.123761][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.123887][   T68]  process_one_work (kernel/workqueue.c:3314)
[   15.124009][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.124132][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.124260][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.124378][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.124500][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.124619][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.124736][   T68]  kthread (kernel/kthread.c:436)
[   15.124832][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.124985][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.125103][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.125224][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.125371][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.125492][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.125609][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.127583][   T68] ------------[ cut here ]------------
| [   15.127702][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   15.127940][   T68] Modules linked in: vxlan
| [   15.128330][   T68] Tainted: [W]=WARN
[   15.128420][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.128576][   T68] Workqueue: netns cleanup_net
[   15.128698][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.128864][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.129288][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   15.129436][   T68] RAX: 00000000ffffffa6 RBX: ff1100000dbf83c0 RCX: 1ff4000000092eed
[   15.129622][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf847c
[   15.129803][   T68] RBP: ff1100000c271000 R08: 1fe2200001b7f091 R09: ff1100000915aed0
[   15.129991][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.130172][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.130354][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   15.130566][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.130718][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a003 CR4: 0000000000771ef0
[   15.130901][   T68] PKRU: 55555554
[   15.130990][   T68] Call Trace:
[   15.131080][   T68]  <TASK>
[   15.131144][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.131295][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.131443][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.131577][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.131697][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.131815][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.131941][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.132062][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.132183][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   15.132299][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.132423][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   15.132547][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.132664][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.132784][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.132910][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.133029][   T68]  process_one_work (kernel/workqueue.c:3314)
[   15.133149][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.133267][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.133391][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.133515][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.133632][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.133751][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.133875][   T68]  kthread (kernel/kthread.c:436)
[   15.133965][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.134111][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.134230][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.134349][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.134501][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.134621][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.134743][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.148470][   T68] ------------[ cut here ]------------
| [   15.148605][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   15.148863][   T68] Modules linked in: vxlan
| [   15.149271][   T68] Tainted: [W]=WARN
[   15.149365][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.149525][   T68] Workqueue: netns cleanup_net
[   15.149655][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.149829][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.150272][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   15.150434][   T68] RAX: 00000000ffffffa6 RBX: ff1100000dbf8740 RCX: 1ff4000000092eaf
[   15.150623][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf87fc
[   15.150811][   T68] RBP: ff1100000f6c4000 R08: 1fe2200001b7f101 R09: ff1100000915aed0
[   15.151004][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   15.151191][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   15.151379][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   15.151602][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.151757][   T68] CR2: 00007ffd0c8e3ed8 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   15.151950][   T68] PKRU: 55555554
[   15.152043][   T68] Call Trace:
[   15.152136][   T68]  <TASK>
[   15.152201][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.152329][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.152424][   T68]  netif_close_many (net/core/dev.c:1804)
[   15.152552][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.152675][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.152798][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.152927][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   15.153052][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.153210][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.153367][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.153494][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.153619][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   15.153745][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.153912][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.154041][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.154169][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.154295][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.154422][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.154553][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.154680][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   15.154803][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.154936][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   15.155062][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.155186][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.155313][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.155436][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.155565][   T68]  process_one_work (kernel/workqueue.c:3314)
[   15.155694][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.155818][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.155953][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.156079][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.156202][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.156331][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.156459][   T68]  kthread (kernel/kthread.c:436)
[   15.156553][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.156709][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.156887][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.157012][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.157168][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.157293][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.157419][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.160470][   T68] ------------[ cut here ]------------
| [   15.160591][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   15.160846][   T68] Modules linked in: vxlan
| [   15.161252][   T68] Tainted: [W]=WARN
[   15.161342][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.161498][   T68] Workqueue: netns cleanup_net
[   15.161622][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.161778][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.162218][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   15.162372][   T68] RAX: 00000000ffffffa6 RBX: ff1100000947ba80 RCX: 1ff4000000092ed5
[   15.162564][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947bb3c
[   15.162743][   T68] RBP: ff1100000f6c4000 R08: 1fe220000128f769 R09: ff1100000915aed0
[   15.162926][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.163104][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.163285][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   15.163501][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.163651][   T68] CR2: 00007ffd0c8e3ed8 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   15.163836][   T68] PKRU: 55555554
[   15.163926][   T68] Call Trace:
[   15.164016][   T68]  <TASK>
[   15.164079][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.164233][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.164389][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.164518][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.164641][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.164763][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.164891][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   15.165013][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.165135][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   15.165256][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.165379][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   15.165506][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.165625][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.165747][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.165874][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.165995][   T68]  process_one_work (kernel/workqueue.c:3314)
[   15.166120][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.166241][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.166366][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.166491][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.166621][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.166743][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.166867][   T68]  kthread (kernel/kthread.c:436)
[   15.166958][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.167112][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.167232][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.167353][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.167506][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.167627][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.167749][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.299080][  T426] ------------[ cut here ]------------
| [   15.299248][  T426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/426
| [   15.299493][  T426] Modules linked in: vxlan
| [   15.300528][  T426] Tainted: [W]=WARN
[   15.300629][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.300795][  T426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.301043][  T426] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.301514][  T426] RSP: 0018:ffa0000000dc7a80 EFLAGS: 00010286
[   15.301681][  T426] RAX: 00000000ffffffa6 RBX: ff1100000cd8ba80 RCX: 1ff40000001b8f16
[   15.301935][  T426] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8bb3c
[   15.302132][  T426] RBP: ff1100000a8e4000 R08: 1fe22000019b1769 R09: ff11000004dd8b80
[   15.302328][  T426] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.302530][  T426] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8e4000
[   15.302731][  T426] FS:  00007fc0109e6840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   15.303016][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.303183][  T426] CR2: 00007fc010d5f493 CR3: 000000000f837002 CR4: 0000000000771ef0
[   15.303381][  T426] PKRU: 55555554
[   15.303488][  T426] Call Trace:
[   15.303588][  T426]  <TASK>
[   15.303656][  T426]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.303791][  T426]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.303962][  T426]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.304062][  T426]  register_netdevice (net/core/dev.c:11488)
[   15.304197][  T426]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.304359][  T426]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.304495][  T426]  register_netdev (net/core/dev.c:11552)
[   15.304626][  T426]  loopback_net_init (drivers/net/loopback.c:218)
[   15.304762][  T426]  ops_init (net/core/net_namespace.c:137)
[   15.304868][  T426]  setup_net (net/core/net_namespace.c:446)
[   15.304968][  T426]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   15.305097][  T426]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   15.305230][  T426]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   15.305362][  T426]  copy_net_ns (net/core/net_namespace.c:579)
[   15.305497][  T426]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.305634][  T426]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.305765][  T426]  ksys_unshare (kernel/fork.c:3243)
[   15.305901][  T426]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.306033][  T426]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   15.306163][  T426]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   15.306298][  T426]  ? __ia32_sys_open (fs/open.c:1374)
[   15.306432][  T426]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.306570][  T426]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.306701][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.306836][  T426]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.306969][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.307100][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.307264][  T426] RIP: 0033:0x7fc010ca8bcb
[   15.307402][  T426] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.307886][  T426] RSP: 002b:00007ffc064b3328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.308084][  T426] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc010ca8bcb
[   15.308280][  T426] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.308483][  T426] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.308679][  T426] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc064b5550
[   15.308883][  T426] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc064b688c
| [   15.319864][  T426] ------------[ cut here ]------------
| [   15.320012][  T426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/426
| [   15.320240][  T426] Modules linked in: vxlan
| [   15.320646][  T426] Tainted: [W]=WARN
[   15.320747][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.320917][  T426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.321086][  T426] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.321557][  T426] RSP: 0018:ffa0000000dc7918 EFLAGS: 00010286
[   15.321721][  T426] RAX: 00000000ffffffa6 RBX: ff1100000cb6eac0 RCX: 1ff40000001b8ee9
[   15.321923][  T426] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb6eb7c
[   15.322119][  T426] RBP: ff11000006054000 R08: 1fe220000196dd71 R09: ff11000004dd8b80
[   15.322313][  T426] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.322514][  T426] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006054000
[   15.322709][  T426] FS:  00007fc0109e6840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   15.322943][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.323109][  T426] CR2: 00007fc010d5f493 CR3: 000000000f837002 CR4: 0000000000771ef0
[   15.323307][  T426] PKRU: 55555554
[   15.323405][  T426] Call Trace:
[   15.323511][  T426]  <TASK>
[   15.323579][  T426]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.323711][  T426]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.323849][  T426]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.323950][  T426]  register_netdevice (net/core/dev.c:11488)
[   15.324082][  T426]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.324244][  T426]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.324375][  T426]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   15.324513][  T426]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   15.324642][  T426]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.324774][  T426]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   15.324934][  T426]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   15.325066][  T426]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   15.325202][  T426]  ops_init (net/core/net_namespace.c:137)
[   15.325302][  T426]  setup_net (net/core/net_namespace.c:446)
[   15.325401][  T426]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   15.325536][  T426]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   15.325666][  T426]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   15.325801][  T426]  copy_net_ns (net/core/net_namespace.c:579)
[   15.325939][  T426]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.326072][  T426]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.326203][  T426]  ksys_unshare (kernel/fork.c:3243)
[   15.326335][  T426]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.326473][  T426]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   15.326603][  T426]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   15.326736][  T426]  ? __ia32_sys_open (fs/open.c:1374)
[   15.326872][  T426]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.327000][  T426]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.327131][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.327260][  T426]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.327390][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.327526][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.327687][  T426] RIP: 0033:0x7fc010ca8bcb
[   15.327830][  T426] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.328294][  T426] RSP: 002b:00007ffc064b3328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.328495][  T426] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc010ca8bcb
[   15.328690][  T426] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.328890][  T426] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.329085][  T426] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc064b5550
[   15.329280][  T426] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc064b688c
| [   15.333156][  T426] ------------[ cut here ]------------
| [   15.333298][  T426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/426
| [   15.333538][  T426] Modules linked in: vxlan
| [   15.333984][  T426] Tainted: [W]=WARN
[   15.334085][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.334249][  T426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.334421][  T426] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.334904][  T426] RSP: 0018:ffa0000000dc78f8 EFLAGS: 00010286
[   15.335071][  T426] RAX: 00000000ffffffa6 RBX: ff1100000cb6fc40 RCX: 1ff40000001b8ee5
[   15.335268][  T426] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb6fcfc
[   15.335483][  T426] RBP: ff1100000259c000 R08: 1fe220000196dfa1 R09: ff11000004dd8b80
[   15.335682][  T426] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.335885][  T426] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000259c000
[   15.336085][  T426] FS:  00007fc0109e6840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   15.336320][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.336494][  T426] CR2: 00007fc010d5f493 CR3: 000000000f837002 CR4: 0000000000771ef0
[   15.336694][  T426] PKRU: 55555554
[   15.336792][  T426] Call Trace:
[   15.336895][  T426]  <TASK>
[   15.336964][  T426]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.337097][  T426]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.337234][  T426]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.337336][  T426]  register_netdevice (net/core/dev.c:11488)
[   15.337477][  T426]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.337645][  T426]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.337779][  T426]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   15.337918][  T426]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   15.338052][  T426]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.338188][  T426]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   15.338322][  T426]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   15.338461][  T426]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   15.338597][  T426]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.338731][  T426]  vti_init_net (net/ipv4/ip_vti.c:517)
[   15.338869][  T426]  ops_init (net/core/net_namespace.c:137)
[   15.338971][  T426]  setup_net (net/core/net_namespace.c:446)
[   15.339072][  T426]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   15.339206][  T426]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   15.339340][  T426]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   15.339480][  T426]  copy_net_ns (net/core/net_namespace.c:579)
[   15.339614][  T426]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.339749][  T426]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.339887][  T426]  ksys_unshare (kernel/fork.c:3243)
[   15.340021][  T426]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.340156][  T426]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   15.340289][  T426]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   15.340424][  T426]  ? __ia32_sys_open (fs/open.c:1374)
[   15.340563][  T426]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.340695][  T426]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.340832][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.340967][  T426]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.341100][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.341238][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.341403][  T426] RIP: 0033:0x7fc010ca8bcb
[   15.341548][  T426] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.342025][  T426] RSP: 002b:00007ffc064b3328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.342227][  T426] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc010ca8bcb
[   15.342427][  T426] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.342630][  T426] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.342833][  T426] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc064b5550
[   15.343035][  T426] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc064b688c
| [   15.347177][  T426] ------------[ cut here ]------------
| [   15.347317][  T426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/426
| [   15.347553][  T426] Modules linked in: vxlan
| [   15.348478][  T426] Tainted: [W]=WARN
[   15.348580][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.348745][  T426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.348981][  T426] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.349452][  T426] RSP: 0018:ffa0000000dc7a78 EFLAGS: 00010286
[   15.349622][  T426] RAX: 00000000ffffffa6 RBX: ff1100000954f1c0 RCX: 1ff40000001b8f15
[   15.349877][  T426] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954f27c
[   15.350127][  T426] RBP: ff1100000f57c000 R08: 1fe22000012a9e51 R09: ff11000004dd8b80
[   15.350324][  T426] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.350527][  T426] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f57c000
[   15.350725][  T426] FS:  00007fc0109e6840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   15.351012][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.351178][  T426] CR2: 00007fc010d5f493 CR3: 000000000f837002 CR4: 0000000000771ef0
[   15.351375][  T426] PKRU: 55555554
[   15.351483][  T426] Call Trace:
[   15.351582][  T426]  <TASK>
[   15.351649][  T426]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.351781][  T426]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.351970][  T426]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.352071][  T426]  register_netdevice (net/core/dev.c:11488)
[   15.352206][  T426]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.352369][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.352510][  T426]  register_netdev (net/core/dev.c:11552)
[   15.352642][  T426]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   15.352776][  T426]  ops_init (net/core/net_namespace.c:137)
[   15.352934][  T426]  setup_net (net/core/net_namespace.c:446)
[   15.353034][  T426]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   15.353165][  T426]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   15.353297][  T426]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   15.353433][  T426]  copy_net_ns (net/core/net_namespace.c:579)
[   15.353571][  T426]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.353706][  T426]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.353898][  T426]  ksys_unshare (kernel/fork.c:3243)
[   15.354029][  T426]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.354161][  T426]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   15.354293][  T426]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   15.354428][  T426]  ? __ia32_sys_open (fs/open.c:1374)
[   15.354565][  T426]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.354697][  T426]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.354885][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.355018][  T426]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.355152][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.355284][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.355452][  T426] RIP: 0033:0x7fc010ca8bcb
[   15.355591][  T426] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.356116][  T426] RSP: 002b:00007ffc064b3328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.356315][  T426] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc010ca8bcb
[   15.356519][  T426] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.356715][  T426] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.356967][  T426] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc064b5550
[   15.357164][  T426] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc064b688c
| [   15.361543][  T426] ------------[ cut here ]------------
| [   15.361692][  T426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/426
| [   15.361936][  T426] Modules linked in: vxlan
| [   15.362344][  T426] Tainted: [W]=WARN
[   15.362444][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.362617][  T426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.362789][  T426] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.363263][  T426] RSP: 0018:ffa0000000dc7a68 EFLAGS: 00010286
[   15.363430][  T426] RAX: 00000000ffffffa6 RBX: ff1100000d14e740 RCX: 1ff40000001b8f13
[   15.363634][  T426] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14e7fc
[   15.363836][  T426] RBP: ff1100000f699000 R08: 1fe2200001a29d01 R09: ff11000004dd8b80
[   15.364037][  T426] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.364235][  T426] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f699000
[   15.364432][  T426] FS:  00007fc0109e6840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   15.364672][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.364843][  T426] CR2: 000055bc7d569d5c CR3: 000000000f837004 CR4: 0000000000771ef0
[   15.365042][  T426] PKRU: 55555554
[   15.365141][  T426] Call Trace:
[   15.365240][  T426]  <TASK>
[   15.365308][  T426]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.365440][  T426]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.365581][  T426]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.365682][  T426]  register_netdevice (net/core/dev.c:11488)
[   15.365816][  T426]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.365989][  T426]  register_netdev (net/core/dev.c:11552)
[   15.366121][  T426]  sit_init_net (net/ipv6/sit.c:1860)
[   15.366255][  T426]  ops_init (net/core/net_namespace.c:137)
[   15.366355][  T426]  setup_net (net/core/net_namespace.c:446)
[   15.366460][  T426]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   15.366593][  T426]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   15.366724][  T426]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   15.366865][  T426]  copy_net_ns (net/core/net_namespace.c:579)
[   15.366996][  T426]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.367130][  T426]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.367264][  T426]  ksys_unshare (kernel/fork.c:3243)
[   15.367397][  T426]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.367535][  T426]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   15.367669][  T426]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   15.367800][  T426]  ? __ia32_sys_open (fs/open.c:1374)
[   15.367937][  T426]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.368068][  T426]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.368197][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.368326][  T426]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.368463][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.368596][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.368759][  T426] RIP: 0033:0x7fc010ca8bcb
[   15.368901][  T426] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.369370][  T426] RSP: 002b:00007ffc064b3328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.369573][  T426] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc010ca8bcb
[   15.369770][  T426] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.369971][  T426] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.370165][  T426] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc064b5550
[   15.370363][  T426] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc064b688c
| [   15.375064][  T426] ------------[ cut here ]------------
| [   15.375205][  T426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/426
| [   15.375436][  T426] Modules linked in: vxlan
| [   15.375850][  T426] Tainted: [W]=WARN
[   15.375950][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.376116][  T426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.376287][  T426] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.376762][  T426] RSP: 0018:ffa0000000dc7a78 EFLAGS: 00010286
[   15.376935][  T426] RAX: 00000000ffffffa6 RBX: ff1100000d9cec80 RCX: 1ff40000001b8f15
[   15.377134][  T426] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9ced3c
[   15.377332][  T426] RBP: ff11000004ea4000 R08: 1fe2200001b39da9 R09: ff11000004dd8b80
[   15.377537][  T426] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.377734][  T426] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004ea4000
[   15.377938][  T426] FS:  00007fc0109e6840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   15.378168][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.378333][  T426] CR2: 000055bc7d569d5c CR3: 000000000f837004 CR4: 0000000000771ef0
[   15.378539][  T426] PKRU: 55555554
[   15.378638][  T426] Call Trace:
[   15.378739][  T426]  <TASK>
[   15.378807][  T426]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.378946][  T426]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.379079][  T426]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.379181][  T426]  register_netdevice (net/core/dev.c:11488)
[   15.379314][  T426]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.379483][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.379620][  T426]  register_netdev (net/core/dev.c:11552)
[   15.379751][  T426]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   15.379889][  T426]  ops_init (net/core/net_namespace.c:137)
[   15.379991][  T426]  setup_net (net/core/net_namespace.c:446)
[   15.380091][  T426]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   15.380222][  T426]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   15.380355][  T426]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   15.380496][  T426]  copy_net_ns (net/core/net_namespace.c:579)
[   15.380630][  T426]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.380766][  T426]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.380903][  T426]  ksys_unshare (kernel/fork.c:3243)
[   15.381034][  T426]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.381165][  T426]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   15.381296][  T426]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   15.381429][  T426]  ? __ia32_sys_open (fs/open.c:1374)
[   15.381571][  T426]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.381701][  T426]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.381835][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.381965][  T426]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.382098][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.382231][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.382395][  T426] RIP: 0033:0x7fc010ca8bcb
[   15.382541][  T426] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.383549][  T426] RSP: 002b:00007ffc064b3328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.383749][  T426] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc010ca8bcb
[   15.384005][  T426] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.384201][  T426] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.384396][  T426] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc064b5550
[   15.384598][  T426] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc064b688c
| [   15.416180][  T427] ------------[ cut here ]------------
| [   15.416367][  T427] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/427
| [   15.416651][  T427] Modules linked in: vxlan
| [   15.417632][  T427] Tainted: [W]=WARN
[   15.417779][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.418004][  T427] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.418221][  T427] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.418734][  T427] RSP: 0018:ffa0000000dd7020 EFLAGS: 00010286
[   15.418961][  T427] RAX: 00000000ffffffa6 RBX: ff1100000cc7e900 RCX: 1ff40000001badca
[   15.419202][  T427] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7e9bc
[   15.419441][  T427] RBP: ff1100000a8e4000 R08: 1fe220000198fd39 R09: ff1100000fc28b58
[   15.419690][  T427] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   15.419947][  T427] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.420194][  T427] FS:  00007f540e481840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   15.420473][  T427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.420683][  T427] CR2: 00007f540e7511a0 CR3: 000000000f83f001 CR4: 0000000000771ef0
[   15.420936][  T427] PKRU: 55555554
[   15.421080][  T427] Call Trace:
[   15.421223][  T427]  <TASK>
[   15.421338][  T427]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.421530][  T427]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.421681][  T427]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.421869][  T427]  __dev_notify_flags (net/core/dev.c:9787)
[   15.422050][  T427]  ? netif_change_name (net/core/dev.c:1495)
[   15.422227][  T427]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.422405][  T427]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.422588][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.422767][  T427]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.422963][  T427]  netif_change_flags (net/core/dev.c:9820)
[   15.423142][  T427]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.423320][  T427]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.423509][  T427]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.423687][  T427]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.423910][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.424088][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.424268][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.424444][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.424633][  T427]  ? __kernel_text_address (kernel/extable.c:79)
[   15.424812][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.425003][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.425181][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.425360][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.425548][  T427]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.425724][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.425914][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.426091][  T427]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.426269][  T427]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.426455][  T427]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.426634][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.426813][  T427]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.427010][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.427191][  T427]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.427372][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.427557][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.427735][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.427925][  T427]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.428103][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.428287][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.428471][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.428649][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.428838][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.429017][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.429195][  T427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.429374][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.429560][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.429741][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.429934][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.430108][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.430288][  T427]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.430473][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.430652][  T427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.430846][  T427]  ? 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))
[   15.431021][  T427]  ? 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))
[   15.431203][  T427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.431381][  T427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.431568][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.431749][  T427]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.431939][  T427]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.432119][  T427]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.432297][  T427]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.432485][  T427]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.432662][  T427]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.432884][  T427]  ? move_addr_to_kernel (net/socket.c:258)
[   15.433063][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.433240][  T427]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.433419][  T427]  ___sys_sendmsg (net/socket.c:2752)
[   15.433604][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.433834][  T427]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.434025][  T427]  __sys_sendmsg (net/socket.c:2784)
[   15.434205][  T427]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.434384][  T427]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.434604][  T427]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.434785][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.434974][  T427]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.435157][  T427]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.435333][  T427]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.435521][  T427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.435728][  T427] RIP: 0033:0x7f540e6bb08e
[   15.435924][  T427] 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
[   15.436436][  T427] RSP: 002b:00007ffd63b68a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.436688][  T427] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f540e6bb08e
[   15.436942][  T427] RDX: 0000000000000000 RSI: 00007ffd63b68b30 RDI: 0000000000000005
[   15.437182][  T427] RBP: 00007ffd63b68a90 R08: 0000000000000000 R09: 0000000000000000
[   15.437427][  T427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ae
[   15.437675][  T427] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd63b69200
| [   15.536509][  T430] ------------[ cut here ]------------
| [   15.536708][  T430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/430
| [   15.537500][  T430] Modules linked in: vxlan
| [   15.538039][  T430] Tainted: [W]=WARN
[   15.538193][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.538416][  T430] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.538659][  T430] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.539218][  T430] RSP: 0018:ffa0000000e06fd0 EFLAGS: 00010286
[   15.539442][  T430] RAX: 00000000ffffffa6 RBX: ff1100000da6eac0 RCX: 1ff40000001c0dc0
[   15.539704][  T430] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6eb7c
[   15.539975][  T430] RBP: ff1100000f17a000 R08: 1fe2200001b4dd71 R09: ff11000009668b80
[   15.540230][  T430] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.540492][  T430] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f17ae44
[   15.540751][  T430] FS:  00007f8ec3557840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   15.541059][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.541282][  T430] CR2: 00007f8ec38cc040 CR3: 000000000be8f004 CR4: 0000000000771ef0
[   15.541549][  T430] PKRU: 55555554
[   15.541700][  T430] Call Trace:
[   15.541864][  T430]  <TASK>
[   15.541985][  T430]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.542174][  T430]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   15.542369][  T430]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.542532][  T430]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   15.542720][  T430]  __dev_notify_flags (net/core/dev.c:9787)
[   15.542924][  T430]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.543112][  T430]  ? netif_change_name (net/core/dev.c:1495)
[   15.543300][  T430]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   15.543497][  T430]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.543689][  T430] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   15.543895][  T430]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   15.544091][  T430] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   15.544282][  T430]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   15.544483][  T430]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.544673][  T430]  ? nla_strscpy (lib/nlattr.c:795)
[   15.544875][  T430]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.545068][  T430]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.545255][  T430]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.545442][  T430]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.545644][  T430]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.545852][  T430]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.546042][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.546228][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.546414][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.546609][  T430]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.546796][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.547001][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.547190][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.547378][  T430]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.547578][  T430]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.547768][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.547972][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.548163][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.548350][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.548550][  T430]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.548741][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.548942][  T430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.549134][  T430]  ? 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))
[   15.549320][  T430]  ? 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))
[   15.549526][  T430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.549717][  T430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.549918][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.550106][  T430]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.550296][  T430]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.550492][  T430]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.550686][  T430]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.550886][  T430]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.551078][  T430]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.551299][  T430]  ? move_addr_to_kernel (net/socket.c:258)
[   15.551497][  T430]  ___sys_sendmsg (net/socket.c:2752)
[   15.551689][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.551891][  T430]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.552087][  T430]  ? 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))
[   15.552281][  T430]  __sys_sendmsg (net/socket.c:2784)
[   15.552475][  T430]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.552669][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.552870][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.553060][  T430]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.553248][  T430]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.553437][  T430]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.553635][  T430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.553872][  T430] RIP: 0033:0x7f8ec379108e
[   15.554067][  T430] 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
[   15.554617][  T430] RSP: 002b:00007ffca544f2e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.554889][  T430] RAX: ffffffffffffffda RBX: 00007ffca544fa90 RCX: 00007f8ec379108e
[   15.555263][  T430] RDX: 0000000000000000 RSI: 00007ffca544f390 RDI: 0000000000000005
[   15.555528][  T430] RBP: 00007ffca544f2f0 R08: 0000000000000000 R09: 0000000000000000
[   15.555784][  T430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ae
[   15.556148][  T430] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca544fa60
| [   15.589976][  T431] ------------[ cut here ]------------
| [   15.590137][  T431] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/431
| [   15.590380][  T431] Modules linked in: vxlan
| [   15.590816][  T431] Tainted: [W]=WARN
[   15.590931][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.591109][  T431] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.591291][  T431] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.591793][  T431] RSP: 0018:ffa0000000e16fd0 EFLAGS: 00010286
[   15.591974][  T431] RAX: 00000000ffffffa6 RBX: ff1100000d14f540 RCX: 1ff40000001c2dc0
[   15.592184][  T431] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14f5fc
[   15.592395][  T431] RBP: ff11000005992000 R08: 1fe2200001a29ec1 R09: ff1100000966d180
[   15.592608][  T431] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.592817][  T431] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005992e44
[   15.593034][  T431] FS:  00007f9892b0e840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   15.593281][  T431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.593460][  T431] CR2: 0000000000437490 CR3: 0000000011c99003 CR4: 0000000000771ef0
[   15.593671][  T431] PKRU: 55555554
[   15.593774][  T431] Call Trace:
[   15.593886][  T431]  <TASK>
[   15.593959][  T431]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.594101][  T431]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   15.594248][  T431]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.594353][  T431]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   15.594499][  T431]  __dev_notify_flags (net/core/dev.c:9787)
[   15.594641][  T431]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.594781][  T431]  ? netif_change_name (net/core/dev.c:1495)
[   15.595627][  T431]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   15.595774][  T431]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.595921][  T431] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   15.596065][  T431]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   15.596211][  T431] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   15.596353][  T431]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   15.596501][  T431]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.596642][  T431]  ? nla_strscpy (lib/nlattr.c:795)
[   15.596787][  T431]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.596936][  T431]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.597077][  T431]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.597218][  T431]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.597365][  T431]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.597515][  T431]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.597656][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.597796][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.597941][  T431]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.598082][  T431]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.598221][  T431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.598364][  T431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.598510][  T431]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.598650][  T431]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.598806][  T431]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.598953][  T431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.599093][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.599236][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.599375][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.599520][  T431]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.599659][  T431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.599799][  T431]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.599947][  T431]  ? 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))
[   15.600087][  T431]  ? 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))
[   15.600229][  T431]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.600369][  T431]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.600515][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.600657][  T431]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.600799][  T431]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.600944][  T431]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.601085][  T431]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.601226][  T431]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.601366][  T431]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.601544][  T431]  ? move_addr_to_kernel (net/socket.c:258)
[   15.601688][  T431]  ___sys_sendmsg (net/socket.c:2752)
[   15.601832][  T431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.601973][  T431]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.602124][  T431]  ? 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))
[   15.602268][  T431]  __sys_sendmsg (net/socket.c:2784)
[   15.602407][  T431]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.602557][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.602698][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.602842][  T431]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.602984][  T431]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.603125][  T431]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.603266][  T431]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.603441][  T431] RIP: 0033:0x7f9892d4808e
[   15.603592][  T431] 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
[   15.604098][  T431] RSP: 002b:00007ffffa2564f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.604312][  T431] RAX: ffffffffffffffda RBX: 00007ffffa256ca0 RCX: 00007f9892d4808e
[   15.604528][  T431] RDX: 0000000000000000 RSI: 00007ffffa2565a0 RDI: 0000000000000005
[   15.604738][  T431] RBP: 00007ffffa256500 R08: 0000000000000000 R09: 0000000000000000
[   15.604954][  T431] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ae
[   15.605165][  T431] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffa256c70
| [   15.632760][  T432] ------------[ cut here ]------------
| [   15.632917][  T432] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/432
| [   15.633150][  T432] Modules linked in: vxlan
| [   15.633566][  T432] Tainted: [W]=WARN
[   15.633667][  T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.633839][  T432] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.634014][  T432] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.634490][  T432] RSP: 0018:ffa0000000e271b0 EFLAGS: 00010286
[   15.634659][  T432] RAX: 00000000ffffffa6 RBX: ff110000095aee40 RCX: 1ff40000001c4dfc
[   15.634863][  T432] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095aeefc
[   15.635062][  T432] RBP: ff1100000f632000 R08: 1fe22000012b5de1 R09: ff11000009c8d180
[   15.635264][  T432] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.635468][  T432] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   15.635668][  T432] FS:  00007f5dbf670840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   15.635906][  T432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.636075][  T432] CR2: 00007f5dbf869460 CR3: 000000000e4ef001 CR4: 0000000000771ef0
[   15.636275][  T432] PKRU: 55555554
[   15.636375][  T432] Call Trace:
[   15.636479][  T432]  <TASK>
[   15.636548][  T432]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.636685][  T432]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.636787][  T432]  __dev_notify_flags (net/core/dev.c:9787)
[   15.636929][  T432]  ? netif_change_name (net/core/dev.c:1495)
[   15.637065][  T432]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.637231][  T432]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.637368][  T432]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.637506][  T432]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   15.637642][  T432]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.637778][  T432]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.637921][  T432]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.638055][  T432]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.638195][  T432]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.638333][  T432]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.638473][  T432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.638606][  T432]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.638740][  T432]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.638880][  T432]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.639015][  T432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.639154][  T432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.639288][  T432]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.639422][  T432]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.639558][  T432]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.639692][  T432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.639831][  T432]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.639967][  T432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.640103][  T432]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.640238][  T432]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.640371][  T432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.640509][  T432]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.640645][  T432]  ? 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))
[   15.640779][  T432]  ? 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))
[   15.640921][  T432]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.641058][  T432]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.641193][  T432]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.641329][  T432]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.641468][  T432]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.641604][  T432]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.641740][  T432]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.641882][  T432]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.642016][  T432]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.642186][  T432]  ? move_addr_to_kernel (net/socket.c:258)
[   15.642325][  T432]  ___sys_sendmsg (net/socket.c:2752)
[   15.642461][  T432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.642596][  T432]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.642739][  T432]  ? 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))
[   15.642884][  T432]  __sys_sendmsg (net/socket.c:2784)
[   15.643021][  T432]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.643160][  T432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.643294][  T432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.643428][  T432]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.643566][  T432]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.643700][  T432]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.643838][  T432]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.644005][  T432] RIP: 0033:0x7f5dbf8aa08e
[   15.644146][  T432] 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
[   15.644631][  T432] RSP: 002b:00007ffdd455b860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.644839][  T432] RAX: ffffffffffffffda RBX: 00007ffdd455c008 RCX: 00007f5dbf8aa08e
[   15.645043][  T432] RDX: 0000000000000000 RSI: 00007ffdd455b910 RDI: 0000000000000005
[   15.645240][  T432] RBP: 00007ffdd455b870 R08: 0000000000000000 R09: 0000000000000000
[   15.645438][  T432] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ae
[   15.645639][  T432] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd455bfe0
| [   15.692226][  T433] ------------[ cut here ]------------
| [   15.692413][  T433] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/433
| [   15.692698][  T433] Modules linked in: vxlan
| [   15.693217][  T433] Tainted: [W]=WARN
[   15.693366][  T433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.693590][  T433] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.693813][  T433] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.694345][  T433] RSP: 0018:ffa0000000d471b0 EFLAGS: 00010286
[   15.694571][  T433] RAX: 00000000ffffffa6 RBX: ff1100000947aac0 RCX: 1ff40000001a8dfc
[   15.694818][  T433] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947ab7c
[   15.695077][  T433] RBP: ff1100000f6a2000 R08: 1fe220000128f571 R09: ff11000009c8ae80
[   15.695321][  T433] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.695578][  T433] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   15.695838][  T433] FS:  00007f759c3da840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   15.696121][  T433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.696337][  T433] CR2: 00007f759c741ee3 CR3: 000000000fb4f006 CR4: 0000000000771ef0
[   15.696598][  T433] PKRU: 55555554
[   15.696746][  T433] Call Trace:
[   15.696906][  T433]  <TASK>
[   15.697023][  T433]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.697206][  T433]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.697358][  T433]  __dev_notify_flags (net/core/dev.c:9787)
[   15.697549][  T433]  ? netif_change_name (net/core/dev.c:1495)
[   15.697736][  T433]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.697963][  T433]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.698149][  T433]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.698331][  T433]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   15.698523][  T433]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.698709][  T433]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.698901][  T433]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.699083][  T433]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.699272][  T433]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.699466][  T433]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.699649][  T433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.699841][  T433]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.700024][  T433]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.700204][  T433]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.700384][  T433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.700580][  T433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.700767][  T433]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.700962][  T433]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.701143][  T433]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.701323][  T433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.701514][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.701698][  T433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.701893][  T433]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.702076][  T433]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.702257][  T433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.702439][  T433]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.702633][  T433]  ? 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))
[   15.702814][  T433]  ? 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))
[   15.703012][  T433]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.703195][  T433]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.703376][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.703564][  T433]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.703748][  T433]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.703940][  T433]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.704122][  T433]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.704304][  T433]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.704494][  T433]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.704706][  T433]  ? move_addr_to_kernel (net/socket.c:258)
[   15.704906][  T433]  ___sys_sendmsg (net/socket.c:2752)
[   15.705088][  T433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.705270][  T433]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.705469][  T433]  ? 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))
[   15.705655][  T433]  __sys_sendmsg (net/socket.c:2784)
[   15.705850][  T433]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.706037][  T433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.706218][  T433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.706401][  T433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.706588][  T433]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.706769][  T433]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.706964][  T433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.707177][  T433] RIP: 0033:0x7f759c61408e
[   15.707363][  T433] 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
[   15.707905][  T433] RSP: 002b:00007ffd959b0290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.708153][  T433] RAX: ffffffffffffffda RBX: 00007ffd959b0a38 RCX: 00007f759c61408e
[   15.708399][  T433] RDX: 0000000000000000 RSI: 00007ffd959b0340 RDI: 0000000000000005
[   15.708654][  T433] RBP: 00007ffd959b02a0 R08: 0000000000000000 R09: 0000000000000000
[   15.708914][  T433] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ae
[   15.709161][  T433] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd959b0a10
| [   16.198990][  T462] ------------[ cut here ]------------
| [   16.199196][  T462] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/462
| [   16.199471][  T462] Modules linked in: vxlan
| [   16.199967][  T462] Tainted: [W]=WARN
[   16.200108][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.200309][  T462] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.200528][  T462] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.201034][  T462] RSP: 0018:ffa0000000ec7190 EFLAGS: 00010286
[   16.201239][  T462] RAX: 00000000ffffffa6 RBX: ff1100000cb82200 RCX: 1ff40000001d8df8
[   16.201479][  T462] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb822bc
[   16.201713][  T462] RBP: ff1100000f6a2000 R08: 1fe2200001970459 R09: ff1100000e6c5158
[   16.202047][  T462] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.202362][  T462] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.202677][  T462] FS:  00007f4f40b6e840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   16.203029][  T462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.203313][  T462] CR2: 000000001c3f8988 CR3: 000000000f424003 CR4: 0000000000771ef0
[   16.203631][  T462] PKRU: 55555554
[   16.203767][  T462] Call Trace:
[   16.203922][  T462]  <TASK>
[   16.204034][  T462]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.204253][  T462]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.204460][  T462]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.204637][  T462]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.204807][  T462]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   16.205026][  T462]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.205199][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.205370][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.205551][  T462]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.205724][  T462]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.205910][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.206102][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.206274][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.206445][  T462]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.206621][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.206794][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.206979][  T462]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   16.207156][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.207325][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.207502][  T462]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.207677][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.207863][  T462]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.208036][  T462]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.208211][  T462]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.208384][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.208559][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.208733][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.208918][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.209094][  T462]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.209270][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.209442][  T462]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.209625][  T462]  ? 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))
[   16.209795][  T462]  ? 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))
[   16.209983][  T462]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.210157][  T462]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.210330][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.210511][  T462]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.210685][  T462]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.210868][  T462]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.211044][  T462]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.211219][  T462]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.211391][  T462]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.211601][  T462]  ? move_addr_to_kernel (net/socket.c:258)
[   16.211776][  T462]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.211964][  T462]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.212138][  T462]  ___sys_sendmsg (net/socket.c:2752)
[   16.212308][  T462]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.212518][  T462]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.212700][  T462]  __sys_sendmsg (net/socket.c:2784)
[   16.212888][  T462]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.213057][  T462]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.213262][  T462]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.213433][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.213614][  T462]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.213787][  T462]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.213967][  T462]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.214139][  T462]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.214339][  T462] RIP: 0033:0x7f4f40da808e
[   16.214525][  T462] 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
[   16.215029][  T462] RSP: 002b:00007ffdef9b6170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.215263][  T462] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4f40da808e
[   16.215502][  T462] RDX: 0000000000000000 RSI: 00007ffdef9b6220 RDI: 0000000000000005
[   16.215736][  T462] RBP: 00007ffdef9b6180 R08: 0000000000000000 R09: 0000000000000000
[   16.215982][  T462] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8af
[   16.216210][  T462] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdef9b68f0
| [   16.265668][  T463] ------------[ cut here ]------------
| [   16.265860][  T463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/463
| [   16.266120][  T463] Modules linked in: vxlan
| [   16.266605][  T463] Tainted: [W]=WARN
[   16.266744][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.266959][  T463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.267166][  T463] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.267660][  T463] RSP: 0018:ffa0000000f17190 EFLAGS: 00010286
[   16.267871][  T463] RAX: 00000000ffffffa6 RBX: ff1100000b3b71c0 RCX: 1ff40000001e2df8
[   16.268102][  T463] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b727c
[   16.268337][  T463] RBP: ff1100000f632000 R08: 1fe2200001676e51 R09: ff11000004d7d158
[   16.268573][  T463] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.268802][  T463] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.269047][  T463] FS:  00007f3b8223c840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   16.269308][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.269519][  T463] CR2: 000000000b5c2988 CR3: 0000000004f48005 CR4: 0000000000771ef0
[   16.269750][  T463] PKRU: 55555554
[   16.269904][  T463] Call Trace:
[   16.270042][  T463]  <TASK>
[   16.270153][  T463]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.270360][  T463]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.270566][  T463]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.270740][  T463]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.270922][  T463]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   16.271127][  T463]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.271301][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.271476][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.271646][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.271815][  T463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.271999][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.272186][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.272355][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.272528][  T463]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.272697][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.272879][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.273049][  T463]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   16.273223][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.273391][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.273569][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.273740][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.273928][  T463]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.274099][  T463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.274267][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.274438][  T463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.274619][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.274792][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.274971][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.275143][  T463]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.275312][  T463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.275490][  T463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.275664][  T463]  ? 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))
[   16.275844][  T463]  ? 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))
[   16.276018][  T463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.276189][  T463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.276360][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.276541][  T463]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.276712][  T463]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.276896][  T463]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.277067][  T463]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.277240][  T463]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.277409][  T463]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.277614][  T463]  ? move_addr_to_kernel (net/socket.c:258)
[   16.277785][  T463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.277964][  T463]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.278136][  T463]  ___sys_sendmsg (net/socket.c:2752)
[   16.278305][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.278514][  T463]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.278696][  T463]  __sys_sendmsg (net/socket.c:2784)
[   16.278877][  T463]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.279045][  T463]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.279249][  T463]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.279419][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.279594][  T463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.279766][  T463]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.279950][  T463]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.280121][  T463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.280318][  T463] RIP: 0033:0x7f3b8247608e
[   16.280497][  T463] 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
[   16.280995][  T463] RSP: 002b:00007fffdeb074e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.281225][  T463] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3b8247608e
[   16.281460][  T463] RDX: 0000000000000000 RSI: 00007fffdeb07590 RDI: 0000000000000005
[   16.281690][  T463] RBP: 00007fffdeb074f0 R08: 0000000000000000 R09: 0000000000000000
[   16.281933][  T463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8af
[   16.282164][  T463] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdeb07c60
| [   16.323101][  T464] ------------[ cut here ]------------
| [   16.323243][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/464
| [   16.323464][  T464] Modules linked in: vxlan
| [   16.323853][  T464] Tainted: [W]=WARN
[   16.323948][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.324105][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.324265][  T464] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.324708][  T464] RSP: 0018:ffa0000000ec7190 EFLAGS: 00010286
[   16.324865][  T464] RAX: 00000000ffffffa6 RBX: ff1100000cb9a900 RCX: 1ff40000001d8df8
[   16.325049][  T464] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb9a9bc
[   16.325231][  T464] RBP: ff11000005992000 R08: 1fe2200001973539 R09: ff11000004d78b58
[   16.325414][  T464] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.325601][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.325785][  T464] FS:  00007fa7b8d70840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   16.326008][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.326162][  T464] CR2: 00007fa7b90401a0 CR3: 000000000fbe7001 CR4: 0000000000771ef0
[   16.326348][  T464] PKRU: 55555554
[   16.326440][  T464] Call Trace:
[   16.326536][  T464]  <TASK>
[   16.326601][  T464]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.326759][  T464]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.326919][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.327045][  T464]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.327169][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.327291][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.327413][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.327541][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.327665][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.327805][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.327932][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.328056][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.328177][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.328297][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.328428][  T464]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   16.328559][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.328681][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.328802][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.329322][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.329445][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.329571][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.329693][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.329815][  T464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.329944][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.330072][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.330194][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.330316][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.330439][  T464]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.330566][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.330691][  T464]  ? 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))
[   16.330814][  T464]  ? 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))
[   16.330945][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.331070][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.331193][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.331317][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.331442][  T464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.331569][  T464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.331692][  T464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.331815][  T464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.331948][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.332101][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   16.332225][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.332348][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.332476][  T464]  ___sys_sendmsg (net/socket.c:2752)
[   16.332597][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.332749][  T464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.332890][  T464]  __sys_sendmsg (net/socket.c:2784)
[   16.333021][  T464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.333142][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.333296][  T464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.333418][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.333544][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.333668][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.333789][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.333917][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.334067][  T464] RIP: 0033:0x7fa7b8faa08e
[   16.334196][  T464] 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
[   16.334635][  T464] RSP: 002b:00007fff9c83d9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.334819][  T464] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa7b8faa08e
[   16.335005][  T464] RDX: 0000000000000000 RSI: 00007fff9c83daa0 RDI: 0000000000000005
[   16.335186][  T464] RBP: 00007fff9c83da00 R08: 0000000000000000 R09: 0000000000000000
[   16.335370][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8af
[   16.335555][  T464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9c83e170
| [   16.377164][  T465] ------------[ cut here ]------------
| [   16.377338][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/465
| [   16.377611][  T465] Modules linked in: vxlan
| [   16.378094][  T465] Tainted: [W]=WARN
[   16.378237][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.378436][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.378649][  T465] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.379215][  T465] RSP: 0018:ffa0000000ee7190 EFLAGS: 00010286
[   16.379506][  T465] RAX: 00000000ffffffa6 RBX: ff1100000c32d540 RCX: 1ff40000001dcdf8
[   16.379806][  T465] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32d5fc
[   16.380128][  T465] RBP: ff1100000f17a000 R08: 1fe2200001865ac1 R09: ff11000004d7ae58
[   16.380432][  T465] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.380720][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.381014][  T465] FS:  00007f0dc9fbd840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   16.381324][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.381560][  T465] CR2: 000000002a823988 CR3: 000000000f097001 CR4: 0000000000771ef0
[   16.381790][  T465] PKRU: 55555554
[   16.381939][  T465] Call Trace:
[   16.382078][  T465]  <TASK>
[   16.382188][  T465]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.382393][  T465]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.382606][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.382780][  T465]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   16.382965][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.383133][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.383306][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.383481][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.383651][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.383911][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.384082][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.384253][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.384422][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.384607][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.384779][  T465]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   16.384965][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.385134][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.385304][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.385480][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.385653][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   16.385839][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.386010][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.386179][  T465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.386349][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.386528][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.386698][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.386885][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.387056][  T465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.387229][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.387404][  T465]  ? 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))
[   16.387580][  T465]  ? 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))
[   16.387754][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.387935][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.388107][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.388279][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.388460][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.388635][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.388806][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.388991][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.389160][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.389359][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   16.389539][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.389713][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.389902][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   16.390071][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.390272][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.390463][  T465]  __sys_sendmsg (net/socket.c:2784)
[   16.390635][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.390805][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.391023][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.391196][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.391368][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.391546][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.391718][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.391902][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.392103][  T465] RIP: 0033:0x7f0dca1f708e
[   16.392278][  T465] 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
[   16.392772][  T465] RSP: 002b:00007fff66f41190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.393014][  T465] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0dca1f708e
[   16.393244][  T465] RDX: 0000000000000000 RSI: 00007fff66f41240 RDI: 0000000000000005
[   16.393481][  T465] RBP: 00007fff66f411a0 R08: 0000000000000000 R09: 0000000000000000
[   16.393710][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8af
[   16.393953][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff66f41910
| [   16.474106][   T68] ------------[ cut here ]------------
| [   16.474252][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   16.474497][   T68] Modules linked in: vxlan
| [   16.474917][   T68] Tainted: [W]=WARN
[   16.475014][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.475227][   T68] Workqueue: netns cleanup_net
[   16.475405][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.475639][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.476333][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   16.476509][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cb831c0 RCX: 1ff4000000092eed
[   16.476686][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb8327c
[   16.476875][   T68] RBP: ff11000004ea4000 R08: 1fe2200001970651 R09: ff1100000915aed0
[   16.477050][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   16.477234][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.477410][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   16.477620][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.477769][   T68] CR2: 000055bc8594c120 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   16.477952][   T68] PKRU: 55555554
[   16.478041][   T68] Call Trace:
[   16.478129][   T68]  <TASK>
[   16.478193][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.478358][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.478509][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   16.478629][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   16.478749][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.478878][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   16.478996][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.479116][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.479238][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   16.479355][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.479482][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   16.479600][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   16.479720][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   16.479847][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.479965][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.480088][   T68]  process_one_work (kernel/workqueue.c:3314)
[   16.480211][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.480328][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.480454][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.480574][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.480692][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.480814][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.480989][   T68]  kthread (kernel/kthread.c:436)
[   16.481079][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.481225][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.481343][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.481466][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.481616][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.481734][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.481901][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.485042][   T68] ------------[ cut here ]------------
| [   16.485247][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   16.485501][   T68] Modules linked in: vxlan
| [   16.485901][   T68] Tainted: [W]=WARN
[   16.485989][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.486137][   T68] Workqueue: netns cleanup_net
[   16.486261][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.486412][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.486844][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   16.486992][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cb838c0 RCX: 1ff4000000092eed
[   16.487169][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb8397c
[   16.487346][   T68] RBP: ff1100000f699000 R08: 1fe2200001970731 R09: ff1100000915aed0
[   16.487525][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   16.487702][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.487884][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   16.488089][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.488236][   T68] CR2: 000055bc8594c120 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   16.488413][   T68] PKRU: 55555554
[   16.488507][   T68] Call Trace:
[   16.488596][   T68]  <TASK>
[   16.488662][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.488813][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.488966][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   16.489086][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   16.489204][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.489322][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   16.489443][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.489569][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.489689][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   16.489804][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.489931][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   16.490050][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   16.490167][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   16.490288][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.490404][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.490534][   T68]  process_one_work (kernel/workqueue.c:3314)
[   16.490656][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.490774][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.490901][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.491025][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.491142][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.491262][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.491379][   T68]  kthread (kernel/kthread.c:436)
[   16.491472][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.491619][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.491735][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.491861][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.492011][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.492129][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.492251][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.494473][   T68] ------------[ cut here ]------------
| [   16.494604][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   16.494859][   T68] Modules linked in: vxlan
| [   16.495249][   T68] Tainted: [W]=WARN
[   16.495339][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.495492][   T68] Workqueue: netns cleanup_net
[   16.495616][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.495770][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.496190][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   16.496340][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c32c200 RCX: 1ff4000000092eed
[   16.496521][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32c2bc
[   16.496697][   T68] RBP: ff1100000f57c000 R08: 1fe2200001865859 R09: ff1100000915aed0
[   16.496881][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   16.497056][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.497233][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   16.497439][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.497590][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a003 CR4: 0000000000771ef0
[   16.497765][   T68] PKRU: 55555554
[   16.497860][   T68] Call Trace:
[   16.497950][   T68]  <TASK>
[   16.498011][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.498165][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.498311][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   16.498431][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   16.498558][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.498675][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   16.498793][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.498921][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.499040][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   16.499159][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.499280][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   16.499399][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   16.499522][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   16.499641][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.499760][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.499887][   T68]  process_one_work (kernel/workqueue.c:3314)
[   16.500009][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.500131][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.500253][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.500371][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.500492][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.500611][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.500729][   T68]  kthread (kernel/kthread.c:436)
[   16.500818][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.500975][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.501095][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.501214][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.501367][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.501491][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.501617][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.508894][   T68] ------------[ cut here ]------------
| [   16.509021][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   16.509250][   T68] Modules linked in: vxlan
| [   16.509637][   T68] Tainted: [W]=WARN
[   16.509725][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.509879][   T68] Workqueue: netns cleanup_net
[   16.510002][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.510154][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.510600][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   16.510748][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c32c3c0 RCX: 1ff4000000092eed
[   16.510928][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32c47c
[   16.511103][   T68] RBP: ff1100000259c000 R08: 1fe2200001865891 R09: ff1100000915aed0
[   16.511277][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   16.511458][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.511636][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   16.511847][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.511994][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a003 CR4: 0000000000771ef0
[   16.512170][   T68] PKRU: 55555554
[   16.512258][   T68] Call Trace:
[   16.512346][   T68]  <TASK>
[   16.512407][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.512569][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.512719][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   16.512844][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   16.512964][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.513080][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   16.513198][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.513317][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.513437][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   16.513561][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.513682][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   16.513801][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   16.513955][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   16.514073][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.514190][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.514309][   T68]  process_one_work (kernel/workqueue.c:3314)
[   16.514430][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.514553][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.514681][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.514803][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.514928][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.515047][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.515164][   T68]  kthread (kernel/kthread.c:436)
[   16.515252][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.515400][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.515525][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.515642][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.515793][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.515916][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.516035][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.518151][   T68] ------------[ cut here ]------------
| [   16.518274][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   16.518580][   T68] Modules linked in: vxlan
| [   16.519123][   T68] Tainted: [W]=WARN
[   16.519213][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.519360][   T68] Workqueue: netns cleanup_net
[   16.519487][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.519720][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.520246][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   16.520396][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a1b3c40 RCX: 1ff4000000092eed
[   16.520581][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b3cfc
[   16.520834][   T68] RBP: ff11000006054000 R08: 1fe22000014367a1 R09: ff1100000915aed0
[   16.521011][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   16.521186][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.521514][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   16.521718][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.521874][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a003 CR4: 0000000000771ef0
[   16.522122][   T68] PKRU: 55555554
[   16.522211][   T68] Call Trace:
[   16.522298][   T68]  <TASK>
[   16.522360][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.522589][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.522735][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   16.522860][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   16.522978][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.523165][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   16.523283][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.523404][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.523531][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   16.523718][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.523846][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   16.523970][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   16.524087][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   16.524278][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.524395][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.524519][   T68]  process_one_work (kernel/workqueue.c:3314)
[   16.524641][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.524834][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.524958][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.525078][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.525196][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.525386][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.525509][   T68]  kthread (kernel/kthread.c:436)
[   16.525598][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.525743][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.525940][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.526059][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.526204][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.526320][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.526587][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.538552][   T68] ------------[ cut here ]------------
| [   16.538691][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   16.539354][   T68] Modules linked in: vxlan
| [   16.539775][   T68] Tainted: [W]=WARN
[   16.539877][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.540038][   T68] Workqueue: netns cleanup_net
[   16.540167][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.540330][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.540777][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   16.540941][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a1b3e00 RCX: 1ff4000000092eaf
[   16.541127][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b3ebc
[   16.541313][   T68] RBP: ff1100000a8e4000 R08: 1fe22000014367d9 R09: ff1100000915aed0
[   16.541504][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   16.541690][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   16.541885][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   16.542102][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.542258][   T68] CR2: 000055bc85938d78 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   16.542446][   T68] PKRU: 55555554
[   16.542544][   T68] Call Trace:
[   16.542639][   T68]  <TASK>
[   16.542705][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.542837][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.542931][   T68]  netif_close_many (net/core/dev.c:1804)
[   16.543058][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.543182][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.543307][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.543431][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   16.543565][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   16.543721][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   16.543885][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   16.544012][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.544136][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   16.544261][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.544418][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   16.544553][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   16.544681][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   16.544805][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   16.544942][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   16.545067][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   16.545192][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   16.545316][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.545443][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   16.545574][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   16.545699][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   16.545830][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.545954][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.546083][   T68]  process_one_work (kernel/workqueue.c:3314)
[   16.546213][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.546336][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.546469][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.546596][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.546720][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.546853][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.546978][   T68]  kthread (kernel/kthread.c:436)
[   16.547071][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.547224][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.547348][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.547481][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.547637][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.547785][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.547921][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.550166][   T68] ------------[ cut here ]------------
| [   16.550302][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   16.550548][   T68] Modules linked in: vxlan
| [   16.551055][   T68] Tainted: [W]=WARN
[   16.551145][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.551295][   T68] Workqueue: netns cleanup_net
[   16.551419][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.551581][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.552020][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   16.552172][   T68] RAX: 00000000ffffffa6 RBX: ff1100000954e040 RCX: 1ff4000000092ed5
[   16.552351][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954e0fc
[   16.552534][   T68] RBP: ff1100000a8e4000 R08: 1fe22000012a9c21 R09: ff1100000915aed0
[   16.552711][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   16.552892][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   16.553075][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   16.553282][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.553432][   T68] CR2: 000055bc8594c120 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   16.553612][   T68] PKRU: 55555554
[   16.553700][   T68] Call Trace:
[   16.553792][   T68]  <TASK>
[   16.553862][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.554014][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   16.554170][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   16.554290][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   16.554409][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   16.554534][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   16.554656][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   16.554779][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   16.554908][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   16.555028][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.555150][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   16.555270][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   16.555389][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   16.555515][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.555644][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.555766][   T68]  process_one_work (kernel/workqueue.c:3314)
[   16.555896][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   16.556016][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.556140][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.556262][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.556381][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   16.556509][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   16.556630][   T68]  kthread (kernel/kthread.c:436)
[   16.556719][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.556878][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.556999][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.557129][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   16.557278][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.557399][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   16.557527][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.708050][  T476] ------------[ cut here ]------------
| [   16.708256][  T476] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/476
| [   16.708549][  T476] Modules linked in: vxlan
| [   16.709462][  T476] Tainted: [W]=WARN
[   16.709611][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.709840][  T476] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.710063][  T476] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.710586][  T476] RSP: 0018:ffa0000000fb7a80 EFLAGS: 00010286
[   16.710802][  T476] RAX: 00000000ffffffa6 RBX: ff1100000290c740 RCX: 1ff40000001f6f16
[   16.711059][  T476] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290c7fc
[   16.711302][  T476] RBP: ff11000008081000 R08: 1fe2200000521901 R09: ff1100000b375180
[   16.711553][  T476] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.711800][  T476] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008081000
[   16.712059][  T476] FS:  00007f16318a3840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   16.712343][  T476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.712565][  T476] CR2: 00007f1631aaa430 CR3: 000000000e787004 CR4: 0000000000771ef0
[   16.712811][  T476] PKRU: 55555554
[   16.712969][  T476] Call Trace:
[   16.713114][  T476]  <TASK>
[   16.713230][  T476]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.713411][  T476]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.713602][  T476]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.713750][  T476]  register_netdevice (net/core/dev.c:11488)
[   16.713941][  T476]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.714151][  T476]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   16.714333][  T476]  register_netdev (net/core/dev.c:11552)
[   16.714522][  T476]  loopback_net_init (drivers/net/loopback.c:218)
[   16.714704][  T476]  ops_init (net/core/net_namespace.c:137)
[   16.714868][  T476]  setup_net (net/core/net_namespace.c:446)
[   16.715019][  T476]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   16.715197][  T476]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   16.715378][  T476]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   16.715567][  T476]  copy_net_ns (net/core/net_namespace.c:579)
[   16.715748][  T476]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.715940][  T476]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.716119][  T476]  ksys_unshare (kernel/fork.c:3243)
[   16.716299][  T476]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.716487][  T476]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   16.716668][  T476]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   16.716863][  T476]  ? __ia32_sys_open (fs/open.c:1374)
[   16.717043][  T476]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.717220][  T476]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   16.717399][  T476]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.717588][  T476]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.717769][  T476]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.717963][  T476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.718172][  T476] RIP: 0033:0x7f1631b65bcb
[   16.718357][  T476] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.718909][  T476] RSP: 002b:00007ffcdfce6208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.719156][  T476] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1631b65bcb
[   16.719399][  T476] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   16.719651][  T476] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   16.719903][  T476] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdfce8430
[   16.720149][  T476] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdfce888c
| [   16.724878][  T476] ------------[ cut here ]------------
| [   16.725065][  T476] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/476
| [   16.725341][  T476] Modules linked in: vxlan
| [   16.725861][  T476] Tainted: [W]=WARN
[   16.726006][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.726216][  T476] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.726433][  T476] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.726964][  T476] RSP: 0018:ffa0000000fb7918 EFLAGS: 00010286
[   16.727175][  T476] RAX: 00000000ffffffa6 RBX: ff1100000fefa580 RCX: 1ff40000001f6ee9
[   16.727416][  T476] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa63c
[   16.727665][  T476] RBP: ff11000009cfc000 R08: 1fe2200001fdf4c9 R09: ff1100000b375180
[   16.727920][  T476] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.728159][  T476] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cfc000
[   16.728400][  T476] FS:  00007f16318a3840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   16.728682][  T476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.728905][  T476] CR2: 00007f1631aaa430 CR3: 000000000e787004 CR4: 0000000000771ef0
[   16.729148][  T476] PKRU: 55555554
[   16.729292][  T476] Call Trace:
[   16.729436][  T476]  <TASK>
[   16.729559][  T476]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.729739][  T476]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.729928][  T476]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.730079][  T476]  register_netdevice (net/core/dev.c:11488)
[   16.730260][  T476]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.730477][  T476]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   16.730658][  T476]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   16.730850][  T476]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   16.731026][  T476]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   16.731205][  T476]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   16.731386][  T476]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   16.731571][  T476]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   16.731750][  T476]  ops_init (net/core/net_namespace.c:137)
[   16.731909][  T476]  setup_net (net/core/net_namespace.c:446)
[   16.732055][  T476]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   16.732232][  T476]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   16.732410][  T476]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   16.732600][  T476]  copy_net_ns (net/core/net_namespace.c:579)
[   16.732780][  T476]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.732973][  T476]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.733151][  T476]  ksys_unshare (kernel/fork.c:3243)
[   16.733330][  T476]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.733515][  T476]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   16.733694][  T476]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   16.733887][  T476]  ? __ia32_sys_open (fs/open.c:1374)
[   16.734067][  T476]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.734243][  T476]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   16.734420][  T476]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.734607][  T476]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.734784][  T476]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.734973][  T476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.735181][  T476] RIP: 0033:0x7f1631b65bcb
[   16.735366][  T476] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.735891][  T476] RSP: 002b:00007ffcdfce6208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.736133][  T476] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1631b65bcb
[   16.736376][  T476] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   16.736623][  T476] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   16.736873][  T476] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdfce8430
[   16.737112][  T476] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdfce888c
| [   16.741845][  T476] ------------[ cut here ]------------
| [   16.742025][  T476] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/476
| [   16.742299][  T476] Modules linked in: vxlan
| [   16.742808][  T476] Tainted: [W]=WARN
[   16.742968][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.743181][  T476] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.743399][  T476] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.743938][  T476] RSP: 0018:ffa0000000fb78f8 EFLAGS: 00010286
[   16.744153][  T476] RAX: 00000000ffffffa6 RBX: ff1100000dbf9e00 RCX: 1ff40000001f6ee5
[   16.744395][  T476] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf9ebc
[   16.744649][  T476] RBP: ff1100000a874000 R08: 1fe2200001b7f3d9 R09: ff1100000b375180
[   16.744904][  T476] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.745146][  T476] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a874000
[   16.745392][  T476] FS:  00007f16318a3840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   16.745680][  T476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.745904][  T476] CR2: 00007f1631aaa430 CR3: 000000000e787004 CR4: 0000000000771ef0
[   16.746149][  T476] PKRU: 55555554
[   16.746295][  T476] Call Trace:
[   16.746442][  T476]  <TASK>
[   16.746565][  T476]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.746745][  T476]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.747021][  T476]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.747172][  T476]  register_netdevice (net/core/dev.c:11488)
[   16.747355][  T476]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.747577][  T476]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   16.747762][  T476]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   16.747956][  T476]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   16.748136][  T476]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   16.748322][  T476]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   16.748513][  T476]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   16.748696][  T476]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   16.748891][  T476]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.749075][  T476]  vti_init_net (net/ipv4/ip_vti.c:517)
[   16.749257][  T476]  ops_init (net/core/net_namespace.c:137)
[   16.749407][  T476]  setup_net (net/core/net_namespace.c:446)
[   16.749565][  T476]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   16.749748][  T476]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   16.749937][  T476]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   16.750118][  T476]  copy_net_ns (net/core/net_namespace.c:579)
[   16.750304][  T476]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.750494][  T476]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.750675][  T476]  ksys_unshare (kernel/fork.c:3243)
[   16.750866][  T476]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.751048][  T476]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   16.751227][  T476]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   16.751406][  T476]  ? __ia32_sys_open (fs/open.c:1374)
[   16.751594][  T476]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.751774][  T476]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   16.751966][  T476]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.752148][  T476]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.752327][  T476]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.752521][  T476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.752732][  T476] RIP: 0033:0x7f1631b65bcb
[   16.752929][  T476] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.753440][  T476] RSP: 002b:00007ffcdfce6208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.753696][  T476] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1631b65bcb
[   16.753953][  T476] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   16.754195][  T476] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   16.754437][  T476] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdfce8430
[   16.754691][  T476] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdfce888c
| [   16.765191][  T476] ------------[ cut here ]------------
| [   16.765343][  T476] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/476
| [   16.765581][  T476] Modules linked in: vxlan
| [   16.765992][  T476] Tainted: [W]=WARN
[   16.766093][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.766258][  T476] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.766429][  T476] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.766903][  T476] RSP: 0018:ffa0000000fb7a78 EFLAGS: 00010286
[   16.767067][  T476] RAX: 00000000ffffffa6 RBX: ff1100000bc10e40 RCX: 1ff40000001f6f15
[   16.767263][  T476] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc10efc
[   16.767465][  T476] RBP: ff1100000f184000 R08: 1fe22000017821e1 R09: ff1100000b375180
[   16.767659][  T476] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.767860][  T476] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f184000
[   16.768059][  T476] FS:  00007f16318a3840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   16.768291][  T476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.768460][  T476] CR2: 000055bc7d569d5c CR3: 000000000e787004 CR4: 0000000000771ef0
[   16.768658][  T476] PKRU: 55555554
[   16.768757][  T476] Call Trace:
[   16.768862][  T476]  <TASK>
[   16.768929][  T476]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.769061][  T476]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.769195][  T476]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.769295][  T476]  register_netdevice (net/core/dev.c:11488)
[   16.769427][  T476]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.769597][  T476]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.769733][  T476]  register_netdev (net/core/dev.c:11552)
[   16.769868][  T476]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   16.770003][  T476]  ops_init (net/core/net_namespace.c:137)
[   16.770107][  T476]  setup_net (net/core/net_namespace.c:446)
[   16.770206][  T476]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   16.770339][  T476]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   16.770475][  T476]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   16.770609][  T476]  copy_net_ns (net/core/net_namespace.c:579)
[   16.770741][  T476]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.770881][  T476]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.771013][  T476]  ksys_unshare (kernel/fork.c:3243)
[   16.771143][  T476]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.771273][  T476]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   16.771405][  T476]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   16.771541][  T476]  ? __ia32_sys_open (fs/open.c:1374)
[   16.771674][  T476]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.771806][  T476]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   16.771945][  T476]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.772076][  T476]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.772207][  T476]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.772338][  T476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.772506][  T476] RIP: 0033:0x7f1631b65bcb
[   16.772643][  T476] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.773116][  T476] RSP: 002b:00007ffcdfce6208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.773314][  T476] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1631b65bcb
[   16.773515][  T476] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   16.773711][  T476] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   16.773913][  T476] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdfce8430
[   16.774109][  T476] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdfce888c
| [   16.778356][  T476] ------------[ cut here ]------------
| [   16.778501][  T476] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/476
| [   16.778729][  T476] Modules linked in: vxlan
| [   16.779136][  T476] Tainted: [W]=WARN
[   16.779236][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.779401][  T476] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.779577][  T476] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.780049][  T476] RSP: 0018:ffa0000000fb7a68 EFLAGS: 00010286
[   16.780215][  T476] RAX: 00000000ffffffa6 RBX: ff1100000bc11c40 RCX: 1ff40000001f6f13
[   16.780412][  T476] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc11cfc
[   16.780614][  T476] RBP: ff11000005279000 R08: 1fe22000017823a1 R09: ff1100000b375180
[   16.780810][  T476] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.781014][  T476] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005279000
[   16.781212][  T476] FS:  00007f16318a3840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   16.781444][  T476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.781615][  T476] CR2: 000055bc7d569d5c CR3: 000000000e787004 CR4: 0000000000771ef0
[   16.781813][  T476] PKRU: 55555554
[   16.781916][  T476] Call Trace:
[   16.782014][  T476]  <TASK>
[   16.782081][  T476]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.782214][  T476]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.782346][  T476]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.782447][  T476]  register_netdevice (net/core/dev.c:11488)
[   16.782586][  T476]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.782753][  T476]  register_netdev (net/core/dev.c:11552)
[   16.782890][  T476]  sit_init_net (net/ipv6/sit.c:1860)
[   16.783024][  T476]  ops_init (net/core/net_namespace.c:137)
[   16.783125][  T476]  setup_net (net/core/net_namespace.c:446)
[   16.783225][  T476]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   16.783355][  T476]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   16.783492][  T476]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   16.783627][  T476]  copy_net_ns (net/core/net_namespace.c:579)
[   16.783758][  T476]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.783897][  T476]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.784028][  T476]  ksys_unshare (kernel/fork.c:3243)
[   16.784161][  T476]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.784292][  T476]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   16.784422][  T476]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   16.784561][  T476]  ? __ia32_sys_open (fs/open.c:1374)
[   16.784694][  T476]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.784829][  T476]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   16.784961][  T476]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.785090][  T476]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.785221][  T476]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.785352][  T476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.785521][  T476] RIP: 0033:0x7f1631b65bcb
[   16.785659][  T476] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.786126][  T476] RSP: 002b:00007ffcdfce6208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.786323][  T476] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1631b65bcb
[   16.786526][  T476] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   16.786722][  T476] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   16.786925][  T476] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdfce8430
[   16.787122][  T476] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdfce888c
| [   16.792703][  T476] ------------[ cut here ]------------
| [   16.792852][  T476] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/476
| [   16.793079][  T476] Modules linked in: vxlan
| [   16.793490][  T476] Tainted: [W]=WARN
[   16.793590][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.793753][  T476] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.793928][  T476] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.794401][  T476] RSP: 0018:ffa0000000fb7a78 EFLAGS: 00010286
[   16.794570][  T476] RAX: 00000000ffffffa6 RBX: ff1100000a233380 RCX: 1ff40000001f6f15
[   16.794769][  T476] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a23343c
[   16.794973][  T476] RBP: ff1100000e4fc000 R08: 1fe2200001446689 R09: ff1100000b375180
[   16.795169][  T476] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   16.795366][  T476] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e4fc000
[   16.795573][  T476] FS:  00007f16318a3840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   16.795806][  T476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.795979][  T476] CR2: 000055bc7d569d5c CR3: 000000000e787004 CR4: 0000000000771ef0
[   16.796176][  T476] PKRU: 55555554
[   16.796275][  T476] Call Trace:
[   16.796373][  T476]  <TASK>
[   16.796441][  T476]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.796580][  T476]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.796711][  T476]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.796811][  T476]  register_netdevice (net/core/dev.c:11488)
[   16.796949][  T476]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   16.797110][  T476]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.797244][  T476]  register_netdev (net/core/dev.c:11552)
[   16.797374][  T476]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   16.797512][  T476]  ops_init (net/core/net_namespace.c:137)
[   16.797614][  T476]  setup_net (net/core/net_namespace.c:446)
[   16.797715][  T476]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   16.797905][  T476]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   16.798037][  T476]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   16.798171][  T476]  copy_net_ns (net/core/net_namespace.c:579)
[   16.798303][  T476]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.798437][  T476]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.798575][  T476]  ksys_unshare (kernel/fork.c:3243)
[   16.798708][  T476]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   16.798897][  T476]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   16.799028][  T476]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   16.799214][  T476]  ? __ia32_sys_open (fs/open.c:1374)
[   16.799349][  T476]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.799483][  T476]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   16.799613][  T476]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.799744][  T476]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.799933][  T476]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.800065][  T476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.800228][  T476] RIP: 0033:0x7f1631b65bcb
[   16.800364][  T476] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.800898][  T476] RSP: 002b:00007ffcdfce6208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.801094][  T476] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1631b65bcb
[   16.801288][  T476] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   16.801488][  T476] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   16.801684][  T476] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcdfce8430
[   16.801936][  T476] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcdfce888c
| [   16.825894][  T477] ------------[ cut here ]------------
| [   16.826041][  T477] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/477
| [   16.826270][  T477] Modules linked in: vxlan
| [   16.826682][  T477] Tainted: [W]=WARN
[   16.826781][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.826952][  T477] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.827125][  T477] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.827592][  T477] RSP: 0018:ffa0000000fc7020 EFLAGS: 00010286
[   16.827756][  T477] RAX: 00000000ffffffa6 RBX: ff1100000ceb3000 RCX: 1ff40000001f8dca
[   16.827964][  T477] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceb30bc
[   16.828162][  T477] RBP: ff11000008081000 R08: 1fe22000019d6619 R09: ff1100000b370b58
[   16.828357][  T477] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   16.828557][  T477] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   16.828754][  T477] FS:  00007f2f0c4b4840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   16.828989][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.829152][  T477] CR2: 0000000032f5b988 CR3: 000000000e6e7006 CR4: 0000000000771ef0
[   16.829349][  T477] PKRU: 55555554
[   16.829447][  T477] Call Trace:
[   16.829550][  T477]  <TASK>
[   16.829618][  T477]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.829754][  T477]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.829860][  T477]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   16.829990][  T477]  __dev_notify_flags (net/core/dev.c:9787)
[   16.830121][  T477]  ? netif_change_name (net/core/dev.c:1495)
[   16.830254][  T477]  ? __dev_change_flags (net/core/dev.c:9752)
[   16.830385][  T477]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.830521][  T477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.830655][  T477]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   16.830789][  T477]  netif_change_flags (net/core/dev.c:9820)
[   16.830926][  T477]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   16.831056][  T477]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   16.831190][  T477]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   16.831322][  T477]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   16.831497][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.831628][  T477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.831758][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.831893][  T477]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.832025][  T477]  ? __kernel_text_address (kernel/extable.c:79)
[   16.832157][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.832291][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.832425][  T477]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.832562][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.832694][  T477]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   16.832830][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.832962][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.833092][  T477]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   16.833223][  T477]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   16.833354][  T477]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   16.833489][  T477]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   16.833621][  T477]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   16.833753][  T477]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   16.833892][  T477]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.834026][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.834156][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.834287][  T477]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.834418][  T477]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.834555][  T477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.834688][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.834819][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.834958][  T477]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.835089][  T477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.835222][  T477]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.835355][  T477]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.835491][  T477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.835623][  T477]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.835754][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.835969][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.836100][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.836230][  T477]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.836362][  T477]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.836500][  T477]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.836634][  T477]  ? 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))
[   16.836769][  T477]  ? 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))
[   16.836977][  T477]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.837111][  T477]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.837244][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.837376][  T477]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.837518][  T477]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.837650][  T477]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.837786][  T477]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.837985][  T477]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.838118][  T477]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.838281][  T477]  ? move_addr_to_kernel (net/socket.c:258)
[   16.838414][  T477]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.838552][  T477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.838685][  T477]  ___sys_sendmsg (net/socket.c:2752)
[   16.838817][  T477]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   16.839035][  T477]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.839179][  T477]  __sys_sendmsg (net/socket.c:2784)
[   16.839310][  T477]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.839441][  T477]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   16.839612][  T477]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.839743][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.839976][  T477]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.840106][  T477]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.840237][  T477]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.840368][  T477]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.840535][  T477] RIP: 0033:0x7f2f0c6ee08e
[   16.840674][  T477] 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
[   16.841209][  T477] RSP: 002b:00007fffb1c28d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.841407][  T477] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2f0c6ee08e
[   16.841608][  T477] RDX: 0000000000000000 RSI: 00007fffb1c28e00 RDI: 0000000000000005
[   16.841805][  T477] RBP: 00007fffb1c28d60 R08: 0000000000000000 R09: 0000000000000000
[   16.842071][  T477] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b0
[   16.842267][  T477] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb1c294d0
| [   16.953679][  T480] ------------[ cut here ]------------
| [   16.954360][  T480] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/480
| [   16.954664][  T480] Modules linked in: vxlan
| [   16.955216][  T480] Tainted: [W]=WARN
[   16.955370][  T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.955602][  T480] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.955847][  T480] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.956390][  T480] RSP: 0018:ffa0000000ff6fd0 EFLAGS: 00010286
[   16.956624][  T480] RAX: 00000000ffffffa6 RBX: ff11000008e54740 RCX: 1ff40000001fedc0
[   16.956901][  T480] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e547fc
[   16.957159][  T480] RBP: ff1100000f362000 R08: 1fe22000011ca901 R09: ff110000050eae80
[   16.957413][  T480] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   16.957676][  T480] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f362e44
[   16.957945][  T480] FS:  00007f342da2d840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   16.958247][  T480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.958477][  T480] CR2: 0000000000437490 CR3: 0000000011f2f005 CR4: 0000000000771ef0
[   16.958737][  T480] PKRU: 55555554
[   16.958904][  T480] Call Trace:
[   16.959069][  T480]  <TASK>
[   16.959189][  T480]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   16.959379][  T480]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   16.959586][  T480]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   16.959744][  T480]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   16.959947][  T480]  __dev_notify_flags (net/core/dev.c:9787)
[   16.960137][  T480]  ? notifier_call_chain (kernel/notifier.c:85)
[   16.960327][  T480]  ? netif_change_name (net/core/dev.c:1495)
[   16.960525][  T480]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   16.960719][  T480]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   16.961087][  T480] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   16.961360][  T480]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   16.961636][  T480] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   16.961902][  T480]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   16.962156][  T480]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   16.962366][  T480]  ? nla_strscpy (lib/nlattr.c:795)
[   16.962566][  T480]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   16.962760][  T480]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   16.962961][  T480]  ? __dev_get_by_name (net/core/dev.c:883)
[   16.963150][  T480]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   16.963344][  T480]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   16.963548][  T480]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   16.963740][  T480]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.963942][  T480]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.964131][  T480]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.964317][  T480]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   16.964512][  T480]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.964708][  T480]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.964909][  T480]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   16.965101][  T480]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   16.965289][  T480]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   16.965482][  T480]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.965671][  T480]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.965873][  T480]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   16.966059][  T480]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   16.966247][  T480]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   16.966435][  T480]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.966633][  T480]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.966839][  T480]  ? 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))
[   16.967026][  T480]  ? 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))
[   16.967217][  T480]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.967407][  T480]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.967604][  T480]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   16.967796][  T480]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   16.968003][  T480]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   16.968193][  T480]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   16.968385][  T480]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   16.968584][  T480]  ? copy_msghdr_from_user (net/socket.c:2635)
[   16.968774][  T480]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   16.969007][  T480]  ? move_addr_to_kernel (net/socket.c:258)
[   16.969201][  T480]  ___sys_sendmsg (net/socket.c:2752)
[   16.969393][  T480]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   16.969591][  T480]  ? copy_msghdr_from_user (net/socket.c:2603)
[   16.969790][  T480]  ? 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))
[   16.969996][  T480]  __sys_sendmsg (net/socket.c:2784)
[   16.970187][  T480]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   16.970380][  T480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.970572][  T480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   16.970762][  T480]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.970965][  T480]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   16.971155][  T480]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   16.971343][  T480]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.971569][  T480] RIP: 0033:0x7f342dc6708e
[   16.971763][  T480] 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
[   16.972325][  T480] RSP: 002b:00007ffcfb28c970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.972592][  T480] RAX: ffffffffffffffda RBX: 00007ffcfb28d120 RCX: 00007f342dc6708e
[   16.972863][  T480] RDX: 0000000000000000 RSI: 00007ffcfb28ca20 RDI: 0000000000000005
[   16.973121][  T480] RBP: 00007ffcfb28c980 R08: 0000000000000000 R09: 0000000000000000
[   16.973381][  T480] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b0
[   16.973645][  T480] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfb28d0f0
| [   17.016791][  T481] ------------[ cut here ]------------
| [   17.017313][  T481] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/481
| [   17.017571][  T481] Modules linked in: vxlan
| [   17.018003][  T481] Tainted: [W]=WARN
[   17.018110][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.018286][  T481] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.018473][  T481] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.018976][  T481] RSP: 0018:ffa0000000ff6fd0 EFLAGS: 00010286
[   17.019151][  T481] RAX: 00000000ffffffa6 RBX: ff110000095ae900 RCX: 1ff40000001fedc0
[   17.019360][  T481] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095ae9bc
[   17.019575][  T481] RBP: ff1100000fbd2000 R08: 1fe22000012b5d39 R09: ff110000050ed180
[   17.019784][  T481] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   17.020002][  T481] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbd2e44
[   17.020215][  T481] FS:  00007fbdf0141840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   17.020466][  T481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.020642][  T481] CR2: 00007fbdf033a460 CR3: 000000000967c003 CR4: 0000000000771ef0
[   17.020859][  T481] PKRU: 55555554
[   17.020965][  T481] Call Trace:
[   17.021070][  T481]  <TASK>
[   17.021144][  T481]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.021286][  T481]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   17.021432][  T481]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.021544][  T481]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   17.021686][  T481]  __dev_notify_flags (net/core/dev.c:9787)
[   17.021833][  T481]  ? notifier_call_chain (kernel/notifier.c:85)
[   17.021974][  T481]  ? netif_change_name (net/core/dev.c:1495)
[   17.022117][  T481]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   17.022264][  T481]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.022407][  T481] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   17.022555][  T481]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   17.022699][  T481] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   17.022847][  T481]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   17.022993][  T481]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   17.023133][  T481]  ? nla_strscpy (lib/nlattr.c:795)
[   17.023275][  T481]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   17.023418][  T481]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.023563][  T481]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.023704][  T481]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.023856][  T481]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.024001][  T481]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.024143][  T481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.024282][  T481]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.024424][  T481]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.024568][  T481]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.024708][  T481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.024858][  T481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.024999][  T481]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.025139][  T481]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.025279][  T481]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.025421][  T481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.025565][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.025707][  T481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.025852][  T481]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.025992][  T481]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.026132][  T481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.026273][  T481]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.026416][  T481]  ? 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))
[   17.026563][  T481]  ? 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))
[   17.026705][  T481]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.026854][  T481]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.026995][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.027137][  T481]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.027279][  T481]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.027420][  T481]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.027568][  T481]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.027710][  T481]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.027855][  T481]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.028028][  T481]  ? move_addr_to_kernel (net/socket.c:258)
[   17.028172][  T481]  ___sys_sendmsg (net/socket.c:2752)
[   17.028310][  T481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.028450][  T481]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.028605][  T481]  ? 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))
[   17.028747][  T481]  __sys_sendmsg (net/socket.c:2784)
[   17.028893][  T481]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.029037][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.029177][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.029319][  T481]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.029465][  T481]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.029606][  T481]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.029748][  T481]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.029928][  T481] RIP: 0033:0x7fbdf037b08e
[   17.030076][  T481] 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
[   17.030579][  T481] RSP: 002b:00007ffd4f9a3b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.030793][  T481] RAX: ffffffffffffffda RBX: 00007ffd4f9a42d0 RCX: 00007fbdf037b08e
[   17.031009][  T481] RDX: 0000000000000000 RSI: 00007ffd4f9a3bd0 RDI: 0000000000000005
[   17.031221][  T481] RBP: 00007ffd4f9a3b30 R08: 0000000000000000 R09: 0000000000000000
[   17.031433][  T481] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b0
[   17.031648][  T481] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4f9a42a0
| [   17.060505][  T482] ------------[ cut here ]------------
| [   17.060656][  T482] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/482
| [   17.060898][  T482] Modules linked in: vxlan
| [   17.061309][  T482] Tainted: [W]=WARN
[   17.061411][  T482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.061584][  T482] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.061758][  T482] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.062238][  T482] RSP: 0018:ffa00000010071b0 EFLAGS: 00010286
[   17.062407][  T482] RAX: 00000000ffffffa6 RBX: ff1100000a1b2040 RCX: 1ff4000000200dfc
[   17.062616][  T482] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b20fc
[   17.062815][  T482] RBP: ff1100000f41a000 R08: 1fe2200001436421 R09: ff110000050e8b80
[   17.063023][  T482] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   17.063222][  T482] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   17.063422][  T482] FS:  00007faf35359840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   17.063663][  T482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.063837][  T482] CR2: 00007faf356c0ee3 CR3: 0000000011fa7005 CR4: 0000000000771ef0
[   17.064040][  T482] PKRU: 55555554
[   17.064140][  T482] Call Trace:
[   17.064242][  T482]  <TASK>
[   17.064312][  T482]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.064449][  T482]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.064558][  T482]  __dev_notify_flags (net/core/dev.c:9787)
[   17.064695][  T482]  ? netif_change_name (net/core/dev.c:1495)
[   17.065476][  T482]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.065646][  T482]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   17.065781][  T482]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.065923][  T482]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   17.066058][  T482]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.066195][  T482]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.066330][  T482]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.066474][  T482]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.066620][  T482]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.066758][  T482]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.066901][  T482]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.067032][  T482]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.067164][  T482]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.067295][  T482]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.067429][  T482]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.067571][  T482]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.067706][  T482]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.067846][  T482]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.067983][  T482]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.068124][  T482]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.068258][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.068394][  T482]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.068531][  T482]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.068665][  T482]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.068800][  T482]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.068942][  T482]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.069079][  T482]  ? 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))
[   17.069218][  T482]  ? 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))
[   17.069354][  T482]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.069496][  T482]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.069630][  T482]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.069767][  T482]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.069907][  T482]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.070042][  T482]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.070177][  T482]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.070310][  T482]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.070443][  T482]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.070618][  T482]  ? move_addr_to_kernel (net/socket.c:258)
[   17.070757][  T482]  ___sys_sendmsg (net/socket.c:2752)
[   17.070897][  T482]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.071032][  T482]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.071175][  T482]  ? 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))
[   17.071311][  T482]  __sys_sendmsg (net/socket.c:2784)
[   17.071447][  T482]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.071589][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.071724][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.071864][  T482]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.071998][  T482]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.072133][  T482]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.072269][  T482]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.072436][  T482] RIP: 0033:0x7faf3559308e
[   17.072581][  T482] 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
[   17.073063][  T482] RSP: 002b:00007ffd7e404440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.073265][  T482] RAX: ffffffffffffffda RBX: 00007ffd7e404be8 RCX: 00007faf3559308e
[   17.073470][  T482] RDX: 0000000000000000 RSI: 00007ffd7e4044f0 RDI: 0000000000000005
[   17.073670][  T482] RBP: 00007ffd7e404450 R08: 0000000000000000 R09: 0000000000000000
[   17.073873][  T482] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b0
[   17.074074][  T482] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7e404bc0
| [   17.102111][  T483] ------------[ cut here ]------------
| [   17.102296][  T483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/483
| [   17.102584][  T483] Modules linked in: vxlan
| [   17.103100][  T483] Tainted: [W]=WARN
[   17.103250][  T483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.103472][  T483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.103693][  T483] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.104228][  T483] RSP: 0018:ffa00000010171b0 EFLAGS: 00010286
[   17.104445][  T483] RAX: 00000000ffffffa6 RBX: ff1100000beceac0 RCX: 1ff4000000202dfc
[   17.104699][  T483] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beceb7c
[   17.104957][  T483] RBP: ff1100000f572000 R08: 1fe22000017d9d71 R09: ff1100000f735180
[   17.105204][  T483] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.105451][  T483] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   17.105707][  T483] FS:  00007fa2b0b0b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   17.106005][  T483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.106220][  T483] CR2: 0000000000441b40 CR3: 0000000005153003 CR4: 0000000000771ef0
[   17.106476][  T483] PKRU: 55555554
[   17.106623][  T483] Call Trace:
[   17.106770][  T483]  <TASK>
[   17.106899][  T483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   17.107082][  T483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   17.107232][  T483]  __dev_notify_flags (net/core/dev.c:9787)
[   17.107416][  T483]  ? netif_change_name (net/core/dev.c:1495)
[   17.107603][  T483]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   17.107833][  T483]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   17.108017][  T483]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   17.108199][  T483]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   17.108382][  T483]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   17.108569][  T483]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   17.108750][  T483]  ? __dev_get_by_name (net/core/dev.c:883)
[   17.108940][  T483]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   17.109129][  T483]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   17.109314][  T483]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   17.109504][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.109683][  T483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.109875][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.110057][  T483]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.110237][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.110423][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.110617][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   17.110799][  T483]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.110995][  T483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.111176][  T483]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.111355][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.111548][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.111729][  T483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.111925][  T483]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.112110][  T483]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.112292][  T483]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.112484][  T483]  ? 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))
[   17.112664][  T483]  ? 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))
[   17.112860][  T483]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.113042][  T483]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.113222][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.113407][  T483]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.113596][  T483]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.113778][  T483]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.113974][  T483]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.114155][  T483]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.114334][  T483]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.114553][  T483]  ? move_addr_to_kernel (net/socket.c:258)
[   17.114741][  T483]  ___sys_sendmsg (net/socket.c:2752)
[   17.114934][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.115115][  T483]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.115305][  T483]  ? 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))
[   17.115495][  T483]  __sys_sendmsg (net/socket.c:2784)
[   17.115679][  T483]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.115875][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.116059][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.116243][  T483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.116422][  T483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.116610][  T483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.116794][  T483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.117020][  T483] RIP: 0033:0x7fa2b0d4508e
[   17.117207][  T483] 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
[   17.117734][  T483] RSP: 002b:00007ffca66a1050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.117995][  T483] RAX: ffffffffffffffda RBX: 00007ffca66a17f8 RCX: 00007fa2b0d4508e
[   17.118242][  T483] RDX: 0000000000000000 RSI: 00007ffca66a1100 RDI: 0000000000000005
[   17.118497][  T483] RBP: 00007ffca66a1060 R08: 0000000000000000 R09: 0000000000000000
[   17.118744][  T483] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b0
[   17.119001][  T483] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca66a17d0
| [   17.809382][  T524] ------------[ cut here ]------------
| [   17.809591][  T524] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/524
| [   17.810130][  T524] Modules linked in: vxlan
| [   17.810624][  T524] Tainted: [W]=WARN
[   17.810766][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.810986][  T524] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.811199][  T524] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.811697][  T524] RSP: 0018:ffa0000001177190 EFLAGS: 00010286
[   17.811917][  T524] RAX: 00000000ffffffa6 RBX: ff1100000da6e040 RCX: 1ff400000022edf8
[   17.812152][  T524] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6e0fc
[   17.812386][  T524] RBP: ff1100000f572000 R08: 1fe2200001b4dc21 R09: ff1100000f068b58
[   17.812626][  T524] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.812870][  T524] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.813107][  T524] FS:  00007f0a2e9dd840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   17.813378][  T524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.813597][  T524] CR2: 00000000040b1988 CR3: 0000000009ab4004 CR4: 0000000000771ef0
[   17.813844][  T524] PKRU: 55555554
[   17.813986][  T524] Call Trace:
[   17.814127][  T524]  <TASK>
[   17.814240][  T524]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.814450][  T524]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.814661][  T524]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.814852][  T524]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.815025][  T524]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.815235][  T524]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   17.815408][  T524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.815588][  T524]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.815760][  T524]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.815947][  T524]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.816121][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.816314][  T524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.816492][  T524]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.816667][  T524]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.816855][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.817029][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.817203][  T524]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   17.817377][  T524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.817558][  T524]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.817731][  T524]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.817916][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.818091][  T524]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.818265][  T524]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.818439][  T524]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.818622][  T524]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.818800][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.818989][  T524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.819160][  T524]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.819336][  T524]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.819519][  T524]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.819693][  T524]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.819885][  T524]  ? 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))
[   17.820056][  T524]  ? 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))
[   17.820234][  T524]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.820408][  T524]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.820589][  T524]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.820766][  T524]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.820953][  T524]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.821127][  T524]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.821303][  T524]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.821486][  T524]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.821662][  T524]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.821879][  T524]  ? move_addr_to_kernel (net/socket.c:258)
[   17.822054][  T524]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.822228][  T524]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.822402][  T524]  ___sys_sendmsg (net/socket.c:2752)
[   17.822584][  T524]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.822789][  T524]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.822985][  T524]  __sys_sendmsg (net/socket.c:2784)
[   17.823160][  T524]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.823332][  T524]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.823551][  T524]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.823726][  T524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.823915][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.824093][  T524]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.824273][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.824447][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.824661][  T524] RIP: 0033:0x7f0a2ec1708e
[   17.824854][  T524] 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
[   17.825351][  T524] RSP: 002b:00007ffec4067810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.825594][  T524] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0a2ec1708e
[   17.825843][  T524] RDX: 0000000000000000 RSI: 00007ffec40678c0 RDI: 0000000000000005
[   17.826080][  T524] RBP: 00007ffec4067820 R08: 0000000000000000 R09: 0000000000000000
[   17.826321][  T524] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b1
[   17.826565][  T524] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec4067f90
| [   17.885595][  T525] ------------[ cut here ]------------
| [   17.885777][  T525] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/525
| [   17.886052][  T525] Modules linked in: vxlan
| [   17.886547][  T525] Tainted: [W]=WARN
[   17.886689][  T525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.886905][  T525] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.887124][  T525] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.887628][  T525] RSP: 0018:ffa0000001187190 EFLAGS: 00010286
[   17.887845][  T525] RAX: 00000000ffffffa6 RBX: ff1100000c405e00 RCX: 1ff4000000230df8
[   17.888078][  T525] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c405ebc
[   17.888312][  T525] RBP: ff1100000f41a000 R08: 1fe2200001880bd9 R09: ff1100000f06d158
[   17.888552][  T525] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.888788][  T525] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.889109][  T525] FS:  00007f0ce13d3840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   17.889470][  T525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.889757][  T525] CR2: 0000000024176988 CR3: 000000000fe96006 CR4: 0000000000771ef0
[   17.890078][  T525] PKRU: 55555554
[   17.890289][  T525] Call Trace:
[   17.890429][  T525]  <TASK>
[   17.890551][  T525]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.890761][  T525]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.890976][  T525]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.891160][  T525]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.891333][  T525]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   17.891554][  T525]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   17.891731][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.891916][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.892090][  T525]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.892265][  T525]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.892437][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.892636][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.892811][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.892997][  T525]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.893168][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.893341][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.893522][  T525]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   17.893700][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.893885][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.894058][  T525]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.894235][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.894407][  T525]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.894590][  T525]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.894766][  T525]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.894951][  T525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.895122][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.895295][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.895475][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.895650][  T525]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.895835][  T525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.896009][  T525]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.896185][  T525]  ? 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))
[   17.896357][  T525]  ? 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))
[   17.896536][  T525]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.896710][  T525]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.896899][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.897073][  T525]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.897247][  T525]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.897421][  T525]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.897600][  T525]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.897774][  T525]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.897959][  T525]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.898163][  T525]  ? move_addr_to_kernel (net/socket.c:258)
[   17.898336][  T525]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.898520][  T525]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.898695][  T525]  ___sys_sendmsg (net/socket.c:2752)
[   17.898882][  T525]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.899085][  T525]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.899268][  T525]  __sys_sendmsg (net/socket.c:2784)
[   17.899444][  T525]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.899623][  T525]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.899841][  T525]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.900015][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.900191][  T525]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.900365][  T525]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.900549][  T525]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.900726][  T525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.900945][  T525] RIP: 0033:0x7f0ce160d08e
[   17.901124][  T525] 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
[   17.901623][  T525] RSP: 002b:00007ffd762e7170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.901871][  T525] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0ce160d08e
[   17.902104][  T525] RDX: 0000000000000000 RSI: 00007ffd762e7220 RDI: 0000000000000005
[   17.902338][  T525] RBP: 00007ffd762e7180 R08: 0000000000000000 R09: 0000000000000000
[   17.902578][  T525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b1
[   17.902810][  T525] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd762e78f0
| [   17.944335][  T526] ------------[ cut here ]------------
| [   17.944525][  T526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/526
| [   17.944796][  T526] Modules linked in: vxlan
| [   17.945294][  T526] Tainted: [W]=WARN
[   17.945437][  T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.945651][  T526] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.945888][  T526] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.946385][  T526] RSP: 0018:ffa0000001197190 EFLAGS: 00010286
[   17.946599][  T526] RAX: 00000000ffffffa6 RBX: ff1100000947a3c0 RCX: 1ff4000000232df8
[   17.946845][  T526] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947a47c
[   17.947083][  T526] RBP: ff1100000fbd2000 R08: 1fe220000128f491 R09: ff1100000f06ae58
[   17.947318][  T526] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   17.947563][  T526] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   17.947800][  T526] FS:  00007fda39214840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   17.948085][  T526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.948291][  T526] CR2: 000000000287e988 CR3: 000000000f4c5002 CR4: 0000000000771ef0
[   17.948536][  T526] PKRU: 55555554
[   17.948678][  T526] Call Trace:
[   17.948833][  T526]  <TASK>
[   17.948947][  T526]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.949156][  T526]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   17.949366][  T526]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.949550][  T526]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   17.949725][  T526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.949911][  T526]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.950085][  T526]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.950259][  T526]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.950430][  T526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.950635][  T526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.950809][  T526]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.950996][  T526]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   17.951170][  T526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.951344][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.951526][  T526]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   17.951703][  T526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.951892][  T526]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.952066][  T526]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.952242][  T526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   17.952418][  T526]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   17.952599][  T526]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.952774][  T526]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.952960][  T526]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.953134][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.953313][  T526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   17.953493][  T526]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.953669][  T526]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.953856][  T526]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.954030][  T526]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.954208][  T526]  ? 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))
[   17.954382][  T526]  ? 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))
[   17.954568][  T526]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.954749][  T526]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.954934][  T526]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.955111][  T526]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.955288][  T526]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   17.955469][  T526]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   17.955647][  T526]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.955837][  T526]  ? copy_msghdr_from_user (net/socket.c:2635)
[   17.956014][  T526]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   17.956217][  T526]  ? move_addr_to_kernel (net/socket.c:258)
[   17.956393][  T526]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.956577][  T526]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   17.956753][  T526]  ___sys_sendmsg (net/socket.c:2752)
[   17.956939][  T526]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   17.957144][  T526]  ? copy_msghdr_from_user (net/socket.c:2603)
[   17.957335][  T526]  __sys_sendmsg (net/socket.c:2784)
[   17.957516][  T526]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   17.957692][  T526]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   17.957916][  T526]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.958090][  T526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   17.958266][  T526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.958440][  T526]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   17.958622][  T526]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   17.958801][  T526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.959019][  T526] RIP: 0033:0x7fda3944e08e
[   17.959199][  T526] 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
[   17.959699][  T526] RSP: 002b:00007ffc21fa7b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.959953][  T526] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fda3944e08e
[   17.960188][  T526] RDX: 0000000000000000 RSI: 00007ffc21fa7bc0 RDI: 0000000000000005
[   17.960422][  T526] RBP: 00007ffc21fa7b20 R08: 0000000000000000 R09: 0000000000000000
[   17.960660][  T526] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b1
[   17.960915][  T526] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc21fa8290
| [   18.004538][  T527] ------------[ cut here ]------------
| [   18.004717][  T527] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/527
| [   18.004996][  T527] Modules linked in: vxlan
| [   18.005483][  T527] Tainted: [W]=WARN
[   18.005625][  T527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.005849][  T527] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.006059][  T527] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.006554][  T527] RSP: 0018:ffa00000011a7190 EFLAGS: 00010286
[   18.006763][  T527] RAX: 00000000ffffffa6 RBX: ff1100000d14eac0 RCX: 1ff4000000234df8
[   18.007608][  T527] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14eb7c
[   18.007853][  T527] RBP: ff1100000f362000 R08: 1fe2200001a29d71 R09: ff1100000f612e58
[   18.008086][  T527] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.008323][  T527] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.008565][  T527] FS:  00007f7c6c151840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   18.008844][  T527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.009049][  T527] CR2: 00007f7c6c4211a0 CR3: 000000000e6f6005 CR4: 0000000000771ef0
[   18.009286][  T527] PKRU: 55555554
[   18.009431][  T527] Call Trace:
[   18.009580][  T527]  <TASK>
[   18.009693][  T527]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.009916][  T527]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.010123][  T527]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.010299][  T527]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   18.010479][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.010652][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.010839][  T527]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.011013][  T527]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.011185][  T527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.011375][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.011554][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.011729][  T527]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.011913][  T527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.012086][  T527]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.012263][  T527]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   18.012439][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.012618][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.012791][  T527]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.012978][  T527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.013152][  T527]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   18.013326][  T527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.013505][  T527]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.013678][  T527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.013863][  T527]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.014041][  T527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.014213][  T527]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.014388][  T527]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.014563][  T527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.014739][  T527]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.014933][  T527]  ? 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))
[   18.015106][  T527]  ? 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))
[   18.015282][  T527]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.015466][  T527]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.015639][  T527]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.015814][  T527]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.016002][  T527]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.016179][  T527]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.016355][  T527]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.016537][  T527]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.016708][  T527]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.016924][  T527]  ? move_addr_to_kernel (net/socket.c:258)
[   18.017099][  T527]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.017273][  T527]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.017451][  T527]  ___sys_sendmsg (net/socket.c:2752)
[   18.017632][  T527]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.017848][  T527]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.018032][  T527]  __sys_sendmsg (net/socket.c:2784)
[   18.018206][  T527]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.018379][  T527]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.018592][  T527]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.018769][  T527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.018957][  T527]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.019131][  T527]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.019306][  T527]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.019488][  T527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.019693][  T527] RIP: 0033:0x7f7c6c38b08e
[   18.019886][  T527] 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
[   18.020378][  T527] RSP: 002b:00007ffee888bc70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.020620][  T527] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7c6c38b08e
[   18.020868][  T527] RDX: 0000000000000000 RSI: 00007ffee888bd20 RDI: 0000000000000005
[   18.021107][  T527] RBP: 00007ffee888bc80 R08: 0000000000000000 R09: 0000000000000000
[   18.021341][  T527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b1
[   18.021582][  T527] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee888c3f0
| [   18.096729][   T68] ------------[ cut here ]------------
| [   18.096890][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   18.097128][   T68] Modules linked in: vxlan
| [   18.097529][   T68] Tainted: [W]=WARN
[   18.097620][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.097770][   T68] Workqueue: netns cleanup_net
[   18.097905][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.098062][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.098503][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   18.098652][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cde78c0 RCX: 1ff4000000092eed
[   18.098839][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde797c
[   18.099023][   T68] RBP: ff1100000e4fc000 R08: 1fe22000019bcf31 R09: ff1100000915aed0
[   18.099205][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.099384][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.099574][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   18.099780][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.099987][   T68] CR2: 00007fda392e1574 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   18.100166][   T68] PKRU: 55555554
[   18.100254][   T68] Call Trace:
[   18.100343][   T68]  <TASK>
[   18.100407][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.100564][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.100761][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.100901][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.101022][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   18.101146][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.101266][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   18.101384][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.101511][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   18.101633][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.101752][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.101887][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.102008][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.102129][   T68]  process_one_work (kernel/workqueue.c:3314)
[   18.102253][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.102371][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.102498][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.102618][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.102737][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.102864][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.102983][   T68]  kthread (kernel/kthread.c:436)
[   18.103074][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.103223][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.103342][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.103466][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.103617][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.103739][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.103863][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.106101][   T68] ------------[ cut here ]------------
| [   18.106219][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   18.106454][   T68] Modules linked in: vxlan
| [   18.106865][   T68] Tainted: [W]=WARN
[   18.106956][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.107107][   T68] Workqueue: netns cleanup_net
[   18.107231][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.107392][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.107826][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   18.107976][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cde7000 RCX: 1ff4000000092eed
[   18.108151][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde70bc
[   18.108328][   T68] RBP: ff11000005279000 R08: 1fe22000019bce19 R09: ff1100000915aed0
[   18.108510][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   18.108690][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.108872][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   18.109078][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.109226][   T68] CR2: 00007fda392e1574 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   18.109402][   T68] PKRU: 55555554
[   18.109495][   T68] Call Trace:
[   18.109583][   T68]  <TASK>
[   18.109644][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.109797][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.109949][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.110070][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   18.110192][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.110313][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   18.110432][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.110558][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   18.110678][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.110794][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.110920][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.111038][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.111161][   T68]  process_one_work (kernel/workqueue.c:3314)
[   18.111282][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.111401][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.111577][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.111697][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.111817][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.111944][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.112062][   T68]  kthread (kernel/kthread.c:436)
[   18.112155][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.112305][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.112481][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.112622][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.112776][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.112914][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.113033][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.115469][   T68] ------------[ cut here ]------------
| [   18.115639][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   18.116414][   T68] Modules linked in: vxlan
| [   18.116924][   T68] Tainted: [W]=WARN
[   18.117061][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.117255][   T68] Workqueue: netns cleanup_net
[   18.117426][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.117636][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.118127][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   18.118326][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290d540 RCX: 1ff4000000092eed
[   18.118560][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290d5fc
[   18.118786][   T68] RBP: ff1100000f184000 R08: 1fe2200000521ac1 R09: ff1100000915aed0
[   18.119018][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.119244][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.119475][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   18.119733][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.119946][   T68] CR2: 00007f3207ff5574 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   18.120173][   T68] PKRU: 55555554
[   18.120309][   T68] Call Trace:
[   18.120525][   T68]  <TASK>
[   18.120636][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.120926][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.121129][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.121300][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   18.121478][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.121747][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   18.121924][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.122095][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   18.122263][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.122444][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.122621][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.122788][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.122968][   T68]  process_one_work (kernel/workqueue.c:3314)
[   18.123140][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.123307][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.123485][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.123656][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.123839][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.124009][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.124176][   T68]  kthread (kernel/kthread.c:436)
[   18.124314][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.124519][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.124718][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.124972][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.125176][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.125346][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.125521][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.128221][   T68] ------------[ cut here ]------------
| [   18.128382][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   18.128671][   T68] Modules linked in: vxlan
| [   18.129384][   T68] Tainted: [W]=WARN
[   18.129532][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.129727][   T68] Workqueue: netns cleanup_net
[   18.129917][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.130120][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.130597][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   18.130805][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290da80 RCX: 1ff4000000092eed
[   18.131041][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290db3c
[   18.131267][   T68] RBP: ff1100000a874000 R08: 1fe2200000521b69 R09: ff1100000915aed0
[   18.131500][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.131723][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.131962][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   18.132217][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.132416][   T68] CR2: 00007f3207ff5574 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   18.132649][   T68] PKRU: 55555554
[   18.132814][   T68] Call Trace:
[   18.132964][   T68]  <TASK>
[   18.133074][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.133280][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.133484][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.133653][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   18.133838][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.134010][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   18.134175][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.134346][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   18.134522][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.134688][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.134873][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.135041][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.135209][   T68]  process_one_work (kernel/workqueue.c:3314)
[   18.135383][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.135557][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.135730][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.135913][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.136082][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.136253][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.136420][   T68]  kthread (kernel/kthread.c:436)
[   18.136565][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.136760][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.136941][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.137110][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.137381][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.137556][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.137726][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.140923][   T68] ------------[ cut here ]------------
| [   18.141086][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   18.141364][   T68] Modules linked in: vxlan
| [   18.141954][   T68] Tainted: [W]=WARN
[   18.142094][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.142288][   T68] Workqueue: netns cleanup_net
[   18.142467][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.142670][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.143157][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   18.143428][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290d380 RCX: 1ff4000000092eed
[   18.143733][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290d43c
[   18.143971][   T68] RBP: ff11000009cfc000 R08: 1fe2200000521a89 R09: ff1100000915aed0
[   18.144343][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.144656][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.144896][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   18.145179][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.145375][   T68] CR2: 00007f3207ff5574 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   18.145614][   T68] PKRU: 55555554
[   18.145781][   T68] Call Trace:
[   18.145936][   T68]  <TASK>
[   18.146117][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.146318][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.146523][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   18.146768][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   18.146953][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.147126][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   18.147294][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.147547][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   18.147720][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.147900][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.148070][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.148238][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.148411][   T68]  process_one_work (kernel/workqueue.c:3314)
[   18.148594][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.148763][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.148952][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.149121][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.149289][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.149467][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.149640][   T68]  kthread (kernel/kthread.c:436)
[   18.149806][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.150161][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.150331][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.150504][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.150700][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.150881][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.151054][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.167001][   T68] ------------[ cut here ]------------
| [   18.167144][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   18.167450][   T68] Modules linked in: vxlan
| [   18.167936][   T68] Tainted: [W]=WARN
[   18.168032][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.168203][   T68] Workqueue: netns cleanup_net
[   18.168335][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.168504][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.169011][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   18.169172][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290de00 RCX: 1ff4000000092eaf
[   18.169359][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290debc
[   18.169603][   T68] RBP: ff11000008081000 R08: 1fe2200000521bd9 R09: ff1100000915aed0
[   18.169792][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   18.170031][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   18.170223][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   18.170444][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.170609][   T68] CR2: 00007f064338e000 CR3: 0000000004cda005 CR4: 0000000000771ef0
[   18.170800][   T68] PKRU: 55555554
[   18.170898][   T68] Call Trace:
[   18.170993][   T68]  <TASK>
[   18.171060][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.171192][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.171289][   T68]  netif_close_many (net/core/dev.c:1804)
[   18.171418][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.171549][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.171674][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.171807][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   18.171990][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   18.172152][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.172308][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.172435][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.172565][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   18.172691][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.172909][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.173040][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.173170][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.173298][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.173425][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.173557][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.173688][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   18.173814][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.173994][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   18.174122][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.174246][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.174375][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.174528][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.174656][   T68]  process_one_work (kernel/workqueue.c:3314)
[   18.174786][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.174965][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.175099][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.175227][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.175352][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.175489][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.175615][   T68]  kthread (kernel/kthread.c:436)
[   18.175710][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.175926][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.176053][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.176180][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.176340][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.176472][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.176600][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.179364][   T68] ------------[ cut here ]------------
| [   18.179510][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   18.179756][   T68] Modules linked in: vxlan
| [   18.180170][   T68] Tainted: [W]=WARN
[   18.180262][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.180413][   T68] Workqueue: netns cleanup_net
[   18.180546][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.180704][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.181146][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   18.181298][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c787a80 RCX: 1ff4000000092ed5
[   18.181484][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c787b3c
[   18.181664][   T68] RBP: ff11000008081000 R08: 1fe22000018f0f69 R09: ff1100000915aed0
[   18.181856][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.182037][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.182218][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   18.182429][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.182586][   T68] CR2: 000056328acaa2b8 CR3: 000000000f9c7002 CR4: 0000000000771ef0
[   18.182767][   T68] PKRU: 55555554
[   18.182867][   T68] Call Trace:
[   18.182959][   T68]  <TASK>
[   18.183022][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.183177][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   18.183334][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.183463][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.183586][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   18.183707][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   18.183834][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.183958][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.184081][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   18.184202][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.184327][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   18.184448][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.184574][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   18.184696][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.184815][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.184946][   T68]  process_one_work (kernel/workqueue.c:3314)
[   18.185070][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.185192][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.185319][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.185443][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.185570][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.185693][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.185814][   T68]  kthread (kernel/kthread.c:436)
[   18.185911][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.186063][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.186191][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.186314][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.186473][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.186594][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.186716][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.284503][  T538] ------------[ cut here ]------------
| [   18.284659][  T538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/538
| [   18.284901][  T538] Modules linked in: vxlan
| [   18.285317][  T538] Tainted: [W]=WARN
[   18.285419][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.285593][  T538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.285769][  T538] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.286256][  T538] RSP: 0018:ffa0000001207a80 EFLAGS: 00010286
[   18.286425][  T538] RAX: 00000000ffffffa6 RBX: ff1100000c32c740 RCX: 1ff4000000240f16
[   18.286630][  T538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32c7fc
[   18.286840][  T538] RBP: ff11000009229000 R08: 1fe2200001865901 R09: ff1100000aa48b80
[   18.287039][  T538] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.287236][  T538] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009229000
[   18.287438][  T538] FS:  00007f925b2e9840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   18.287677][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.287850][  T538] CR2: 00007f925b4eac20 CR3: 000000000fa36004 CR4: 0000000000771ef0
[   18.288049][  T538] PKRU: 55555554
[   18.288149][  T538] Call Trace:
[   18.288247][  T538]  <TASK>
[   18.288316][  T538]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.288450][  T538]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.288589][  T538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.288690][  T538]  register_netdevice (net/core/dev.c:11488)
[   18.288829][  T538]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.288995][  T538]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.289127][  T538]  register_netdev (net/core/dev.c:11552)
[   18.289259][  T538]  loopback_net_init (drivers/net/loopback.c:218)
[   18.289392][  T538]  ops_init (net/core/net_namespace.c:137)
[   18.289499][  T538]  setup_net (net/core/net_namespace.c:446)
[   18.289600][  T538]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.289732][  T538]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.290154][  T538]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.290289][  T538]  copy_net_ns (net/core/net_namespace.c:579)
[   18.290423][  T538]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.290562][  T538]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.290694][  T538]  ksys_unshare (kernel/fork.c:3243)
[   18.290831][  T538]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.290965][  T538]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.291096][  T538]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.291231][  T538]  ? __ia32_sys_open (fs/open.c:1374)
[   18.291366][  T538]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.291503][  T538]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.291634][  T538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.291767][  T538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.291904][  T538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.292036][  T538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.292200][  T538] RIP: 0033:0x7f925b5abbcb
[   18.292340][  T538] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.292814][  T538] RSP: 002b:00007fff8eae0728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.293020][  T538] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f925b5abbcb
[   18.293217][  T538] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.293414][  T538] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.293618][  T538] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8eae2950
[   18.293812][  T538] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8eae388c
| [   18.298077][  T538] ------------[ cut here ]------------
| [   18.298213][  T538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/538
| [   18.298438][  T538] Modules linked in: vxlan
| [   18.298846][  T538] Tainted: [W]=WARN
[   18.298949][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.299113][  T538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.299283][  T538] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.299748][  T538] RSP: 0018:ffa0000001207918 EFLAGS: 00010286
[   18.299923][  T538] RAX: 00000000ffffffa6 RBX: ff1100000cb823c0 RCX: 1ff4000000240ee9
[   18.300121][  T538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb8247c
[   18.300318][  T538] RBP: ff11000004dc9000 R08: 1fe2200001970491 R09: ff1100000aa48b80
[   18.300521][  T538] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.300719][  T538] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004dc9000
[   18.300922][  T538] FS:  00007f925b2e9840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   18.301151][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.301316][  T538] CR2: 00007f925b4eac20 CR3: 000000000fa36004 CR4: 0000000000771ef0
[   18.301517][  T538] PKRU: 55555554
[   18.301617][  T538] Call Trace:
[   18.301715][  T538]  <TASK>
[   18.301784][  T538]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.301921][  T538]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.302053][  T538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.302153][  T538]  register_netdevice (net/core/dev.c:11488)
[   18.302285][  T538]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.302451][  T538]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.302590][  T538]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.302724][  T538]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   18.302861][  T538]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.302994][  T538]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.303125][  T538]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   18.303258][  T538]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   18.303390][  T538]  ops_init (net/core/net_namespace.c:137)
[   18.303498][  T538]  setup_net (net/core/net_namespace.c:446)
[   18.303598][  T538]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.303728][  T538]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.303866][  T538]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.303999][  T538]  copy_net_ns (net/core/net_namespace.c:579)
[   18.304131][  T538]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.304265][  T538]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.304398][  T538]  ksys_unshare (kernel/fork.c:3243)
[   18.304533][  T538]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.304666][  T538]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.304798][  T538]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.304935][  T538]  ? __ia32_sys_open (fs/open.c:1374)
[   18.305069][  T538]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.305199][  T538]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.305332][  T538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.305467][  T538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.305599][  T538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.305731][  T538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.305898][  T538] RIP: 0033:0x7f925b5abbcb
[   18.306035][  T538] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.306506][  T538] RSP: 002b:00007fff8eae0728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.306705][  T538] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f925b5abbcb
[   18.306908][  T538] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.307105][  T538] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.307303][  T538] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8eae2950
[   18.307503][  T538] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8eae388c
| [   18.316260][  T538] ------------[ cut here ]------------
| [   18.316403][  T538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/538
| [   18.316641][  T538] Modules linked in: vxlan
| [   18.317050][  T538] Tainted: [W]=WARN
[   18.317154][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.317322][  T538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.317500][  T538] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.317975][  T538] RSP: 0018:ffa00000012078f8 EFLAGS: 00010286
[   18.318143][  T538] RAX: 00000000ffffffa6 RBX: ff1100000cb83a80 RCX: 1ff4000000240ee5
[   18.318342][  T538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb83b3c
[   18.318545][  T538] RBP: ff110000020bc000 R08: 1fe2200001970769 R09: ff1100000aa48b80
[   18.318742][  T538] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.318948][  T538] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000020bc000
[   18.319151][  T538] FS:  00007f925b2e9840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   18.319385][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.319557][  T538] CR2: 00007f925b4eac20 CR3: 000000000fa36004 CR4: 0000000000771ef0
[   18.319757][  T538] PKRU: 55555554
[   18.319863][  T538] Call Trace:
[   18.319963][  T538]  <TASK>
[   18.320034][  T538]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.320167][  T538]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.320300][  T538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.320401][  T538]  register_netdevice (net/core/dev.c:11488)
[   18.320540][  T538]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.320706][  T538]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.320848][  T538]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.320983][  T538]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   18.321117][  T538]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   18.321249][  T538]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.321385][  T538]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   18.321523][  T538]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   18.321658][  T538]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.321793][  T538]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.321932][  T538]  ops_init (net/core/net_namespace.c:137)
[   18.322036][  T538]  setup_net (net/core/net_namespace.c:446)
[   18.322138][  T538]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.322271][  T538]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.322405][  T538]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.322544][  T538]  copy_net_ns (net/core/net_namespace.c:579)
[   18.322678][  T538]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.322812][  T538]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.322952][  T538]  ksys_unshare (kernel/fork.c:3243)
[   18.323085][  T538]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.323219][  T538]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.323353][  T538]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.323493][  T538]  ? __ia32_sys_open (fs/open.c:1374)
[   18.323627][  T538]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.323761][  T538]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.323901][  T538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.324033][  T538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.324165][  T538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.324296][  T538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.324465][  T538] RIP: 0033:0x7f925b5abbcb
[   18.324604][  T538] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.325086][  T538] RSP: 002b:00007fff8eae0728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.325286][  T538] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f925b5abbcb
[   18.325487][  T538] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.325686][  T538] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.325892][  T538] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8eae2950
[   18.326090][  T538] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8eae388c
| [   18.330204][  T538] ------------[ cut here ]------------
| [   18.330343][  T538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/538
| [   18.330575][  T538] Modules linked in: vxlan
| [   18.330985][  T538] Tainted: [W]=WARN
[   18.331085][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.331248][  T538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.331420][  T538] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.331899][  T538] RSP: 0018:ffa0000001207a78 EFLAGS: 00010286
[   18.332066][  T538] RAX: 00000000ffffffa6 RBX: ff1100000c404ac0 RCX: 1ff4000000240f15
[   18.332262][  T538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c404b7c
[   18.332462][  T538] RBP: ff1100000e419000 R08: 1fe2200001880971 R09: ff1100000aa48b80
[   18.332659][  T538] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.332862][  T538] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e419000
[   18.333059][  T538] FS:  00007f925b2e9840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   18.333289][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.333453][  T538] CR2: 00007f925b4eac20 CR3: 000000000fa36004 CR4: 0000000000771ef0
[   18.333656][  T538] PKRU: 55555554
[   18.333755][  T538] Call Trace:
[   18.333859][  T538]  <TASK>
[   18.333928][  T538]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.334058][  T538]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.334189][  T538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.334289][  T538]  register_netdevice (net/core/dev.c:11488)
[   18.334424][  T538]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.334591][  T538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.334725][  T538]  register_netdev (net/core/dev.c:11552)
[   18.334862][  T538]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.334996][  T538]  ops_init (net/core/net_namespace.c:137)
[   18.335097][  T538]  setup_net (net/core/net_namespace.c:446)
[   18.335198][  T538]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.335328][  T538]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.335466][  T538]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.335600][  T538]  copy_net_ns (net/core/net_namespace.c:579)
[   18.335734][  T538]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.335874][  T538]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.336007][  T538]  ksys_unshare (kernel/fork.c:3243)
[   18.336139][  T538]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.336273][  T538]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.336404][  T538]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.336543][  T538]  ? __ia32_sys_open (fs/open.c:1374)
[   18.336676][  T538]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.336808][  T538]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.336948][  T538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.337079][  T538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.337213][  T538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.337350][  T538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.337520][  T538] RIP: 0033:0x7f925b5abbcb
[   18.337657][  T538] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.338135][  T538] RSP: 002b:00007fff8eae0728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.338335][  T538] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f925b5abbcb
[   18.338534][  T538] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.338729][  T538] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.338931][  T538] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8eae2950
[   18.339130][  T538] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8eae388c
| [   18.343259][  T538] ------------[ cut here ]------------
| [   18.343395][  T538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/538
| [   18.343632][  T538] Modules linked in: vxlan
| [   18.344572][  T538] Tainted: [W]=WARN
[   18.344674][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.344899][  T538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.345129][  T538] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.345606][  T538] RSP: 0018:ffa0000001207a68 EFLAGS: 00010286
[   18.345773][  T538] RAX: 00000000ffffffa6 RBX: ff11000009c4d380 RCX: 1ff4000000240f13
[   18.346033][  T538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4d43c
[   18.346232][  T538] RBP: ff1100000f9c9000 R08: 1fe2200001389a89 R09: ff1100000aa48b80
[   18.346448][  T538] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.346651][  T538] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9c9000
[   18.346908][  T538] FS:  00007f925b2e9840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   18.347143][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.347309][  T538] CR2: 00007f925b4eac20 CR3: 000000000fa36004 CR4: 0000000000771ef0
[   18.347513][  T538] PKRU: 55555554
[   18.347612][  T538] Call Trace:
[   18.347711][  T538]  <TASK>
[   18.347780][  T538]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.347972][  T538]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.348105][  T538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.348206][  T538]  register_netdevice (net/core/dev.c:11488)
[   18.348341][  T538]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.348513][  T538]  register_netdev (net/core/dev.c:11552)
[   18.348646][  T538]  sit_init_net (net/ipv6/sit.c:1860)
[   18.348781][  T538]  ops_init (net/core/net_namespace.c:137)
[   18.348943][  T538]  setup_net (net/core/net_namespace.c:446)
[   18.349044][  T538]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.349177][  T538]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.349310][  T538]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.349444][  T538]  copy_net_ns (net/core/net_namespace.c:579)
[   18.349582][  T538]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.349718][  T538]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.349911][  T538]  ksys_unshare (kernel/fork.c:3243)
[   18.350046][  T538]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.350180][  T538]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.350313][  T538]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.350447][  T538]  ? __ia32_sys_open (fs/open.c:1374)
[   18.350587][  T538]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.350719][  T538]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.350906][  T538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.351040][  T538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.351171][  T538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.351303][  T538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.351469][  T538] RIP: 0033:0x7f925b5abbcb
[   18.351608][  T538] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.352142][  T538] RSP: 002b:00007fff8eae0728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.352340][  T538] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f925b5abbcb
[   18.352575][  T538] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.352773][  T538] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.353032][  T538] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8eae2950
[   18.353231][  T538] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8eae388c
| [   18.360186][  T538] ------------[ cut here ]------------
| [   18.360372][  T538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/538
| [   18.360661][  T538] Modules linked in: vxlan
| [   18.361173][  T538] Tainted: [W]=WARN
[   18.361324][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.361546][  T538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.361770][  T538] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.362301][  T538] RSP: 0018:ffa0000001207a78 EFLAGS: 00010286
[   18.362525][  T538] RAX: 00000000ffffffa6 RBX: ff1100000cddfc40 RCX: 1ff4000000240f15
[   18.362772][  T538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cddfcfc
[   18.363031][  T538] RBP: ff1100000e42c000 R08: 1fe22000019bbfa1 R09: ff1100000aa48b80
[   18.363276][  T538] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.363534][  T538] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e42c000
[   18.363782][  T538] FS:  00007f925b2e9840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   18.364073][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.364287][  T538] CR2: 00007f925b782668 CR3: 000000000fa36006 CR4: 0000000000771ef0
[   18.364542][  T538] PKRU: 55555554
[   18.364689][  T538] Call Trace:
[   18.364848][  T538]  <TASK>
[   18.364966][  T538]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.365149][  T538]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.365332][  T538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.365490][  T538]  register_netdevice (net/core/dev.c:11488)
[   18.365673][  T538]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.365900][  T538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.366085][  T538]  register_netdev (net/core/dev.c:11552)
[   18.366267][  T538]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.366450][  T538]  ops_init (net/core/net_namespace.c:137)
[   18.366609][  T538]  setup_net (net/core/net_namespace.c:446)
[   18.366759][  T538]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   18.366952][  T538]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   18.367138][  T538]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   18.367323][  T538]  copy_net_ns (net/core/net_namespace.c:579)
[   18.367514][  T538]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.367698][  T538]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.367895][  T538]  ksys_unshare (kernel/fork.c:3243)
[   18.368077][  T538]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   18.368259][  T538]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   18.368443][  T538]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   18.368634][  T538]  ? __ia32_sys_open (fs/open.c:1374)
[   18.368816][  T538]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.369012][  T538]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   18.369193][  T538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.369377][  T538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.369568][  T538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.369755][  T538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.369985][  T538] RIP: 0033:0x7f925b5abbcb
[   18.370173][  T538] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.370700][  T538] RSP: 002b:00007fff8eae0728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.370963][  T538] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f925b5abbcb
[   18.371212][  T538] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.371467][  T538] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.371713][  T538] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8eae2950
[   18.371970][  T538] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8eae388c
| [   18.399498][  T539] ------------[ cut here ]------------
| [   18.399649][  T539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/539
| [   18.400434][  T539] Modules linked in: vxlan
| [   18.400856][  T539] Tainted: [W]=WARN
[   18.400962][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.401128][  T539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.401299][  T539] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.401770][  T539] RSP: 0018:ffa0000001217020 EFLAGS: 00010286
[   18.401945][  T539] RAX: 00000000ffffffa6 RBX: ff1100000be038c0 RCX: 1ff4000000242dca
[   18.402143][  T539] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be0397c
[   18.402340][  T539] RBP: ff11000009229000 R08: 1fe22000017c0731 R09: ff1100000aab5158
[   18.402545][  T539] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   18.402740][  T539] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   18.402951][  T539] FS:  00007feb4936c840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   18.403188][  T539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.403352][  T539] CR2: 0000000022b1c988 CR3: 000000000f7e8003 CR4: 0000000000771ef0
[   18.403560][  T539] PKRU: 55555554
[   18.403660][  T539] Call Trace:
[   18.403758][  T539]  <TASK>
[   18.403832][  T539]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.403967][  T539]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.404068][  T539]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   18.404198][  T539]  __dev_notify_flags (net/core/dev.c:9787)
[   18.404333][  T539]  ? netif_change_name (net/core/dev.c:1495)
[   18.404473][  T539]  ? __dev_change_flags (net/core/dev.c:9752)
[   18.404606][  T539]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.404738][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.404965][  T539]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   18.405167][  T539]  netif_change_flags (net/core/dev.c:9820)
[   18.405300][  T539]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.405436][  T539]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.405580][  T539]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   18.405713][  T539]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   18.405936][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.406069][  T539]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.406199][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.406332][  T539]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.406472][  T539]  ? __kernel_text_address (kernel/extable.c:79)
[   18.406605][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.406741][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.406934][  T539]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.407067][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.407198][  T539]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   18.407329][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.407467][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.407599][  T539]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   18.407730][  T539]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   18.407940][  T539]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   18.408072][  T539]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   18.408205][  T539]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   18.408341][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   18.408481][  T539]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.408619][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.408751][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.409027][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.409160][  T539]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.409292][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.409427][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.409564][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.409698][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.409891][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.410025][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.410156][  T539]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.410289][  T539]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.410419][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.410554][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.410689][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.410826][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.410960][  T539]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.411094][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.411229][  T539]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.411364][  T539]  ? 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))
[   18.411500][  T539]  ? 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))
[   18.411635][  T539]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.411768][  T539]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.411911][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.412045][  T539]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.412178][  T539]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.412315][  T539]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.412451][  T539]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.412589][  T539]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.412721][  T539]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.412895][  T539]  ? move_addr_to_kernel (net/socket.c:258)
[   18.413029][  T539]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.413161][  T539]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.413297][  T539]  ___sys_sendmsg (net/socket.c:2752)
[   18.413428][  T539]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   18.413601][  T539]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.413747][  T539]  __sys_sendmsg (net/socket.c:2784)
[   18.413889][  T539]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.414022][  T539]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   18.414189][  T539]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.414322][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.414461][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.414593][  T539]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.414727][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.414865][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.415032][  T539] RIP: 0033:0x7feb495a608e
[   18.415169][  T539] 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
[   18.415644][  T539] RSP: 002b:00007ffc6b353b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.415850][  T539] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007feb495a608e
[   18.416049][  T539] RDX: 0000000000000000 RSI: 00007ffc6b353c20 RDI: 0000000000000005
[   18.416246][  T539] RBP: 00007ffc6b353b80 R08: 0000000000000000 R09: 0000000000000000
[   18.416444][  T539] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b1
[   18.416645][  T539] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6b3542f0
| [   18.524087][  T542] ------------[ cut here ]------------
| [   18.524291][  T542] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/542
| [   18.524602][  T542] Modules linked in: vxlan
| [   18.525150][  T542] Tainted: [W]=WARN
[   18.525306][  T542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.525539][  T542] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.525772][  T542] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.526778][  T542] RSP: 0018:ffa0000001246fd0 EFLAGS: 00010286
[   18.527015][  T542] RAX: 00000000ffffffa6 RBX: ff1100000cde7540 RCX: 1ff4000000248dc0
[   18.527275][  T542] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde75fc
[   18.527544][  T542] RBP: ff1100000f632000 R08: 1fe22000019bcec1 R09: ff1100000f45d180
[   18.527801][  T542] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.528070][  T542] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f632e44
[   18.528334][  T542] FS:  00007f7c8b4f4840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   18.528644][  T542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.528882][  T542] CR2: 00007f7c8b6ed460 CR3: 00000000056a7002 CR4: 0000000000771ef0
[   18.529143][  T542] PKRU: 55555554
[   18.529296][  T542] Call Trace:
[   18.529450][  T542]  <TASK>
[   18.529580][  T542]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.529772][  T542]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   18.529982][  T542]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.530140][  T542]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   18.530334][  T542]  __dev_notify_flags (net/core/dev.c:9787)
[   18.530534][  T542]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.530727][  T542]  ? netif_change_name (net/core/dev.c:1495)
[   18.530932][  T542]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   18.531127][  T542]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   18.531322][  T542] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   18.531528][  T542]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   18.531729][  T542] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   18.531938][  T542]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   18.532133][  T542]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   18.532324][  T542]  ? nla_strscpy (lib/nlattr.c:795)
[   18.532526][  T542]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   18.532722][  T542]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   18.532924][  T542]  ? __dev_get_by_name (net/core/dev.c:883)
[   18.533113][  T542]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   18.533309][  T542]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   18.533512][  T542]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.533705][  T542]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.533907][  T542]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.534095][  T542]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.534283][  T542]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.534478][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.534673][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.534875][  T542]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.535074][  T542]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.535262][  T542]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.535452][  T542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.535653][  T542]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.535860][  T542]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.536048][  T542]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.536238][  T542]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.536431][  T542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.536629][  T542]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.536835][  T542]  ? 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))
[   18.537021][  T542]  ? 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))
[   18.537210][  T542]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.537402][  T542]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.537599][  T542]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.537792][  T542]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.537994][  T542]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.538184][  T542]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.538373][  T542]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.538572][  T542]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.538761][  T542]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.538994][  T542]  ? move_addr_to_kernel (net/socket.c:258)
[   18.539191][  T542]  ___sys_sendmsg (net/socket.c:2752)
[   18.539378][  T542]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.539576][  T542]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.539773][  T542]  ? 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))
[   18.539975][  T542]  __sys_sendmsg (net/socket.c:2784)
[   18.540166][  T542]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.540358][  T542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.540558][  T542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.540752][  T542]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.540954][  T542]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.541142][  T542]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.541331][  T542]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.541560][  T542] RIP: 0033:0x7f7c8b72e08e
[   18.541755][  T542] 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
[   18.542319][  T542] RSP: 002b:00007ffc9b650360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.542589][  T542] RAX: ffffffffffffffda RBX: 00007ffc9b650b10 RCX: 00007f7c8b72e08e
[   18.542862][  T542] RDX: 0000000000000000 RSI: 00007ffc9b650410 RDI: 0000000000000005
[   18.543122][  T542] RBP: 00007ffc9b650370 R08: 0000000000000000 R09: 0000000000000000
[   18.543379][  T542] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b1
[   18.543646][  T542] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9b650ae0
| [   18.578623][  T543] ------------[ cut here ]------------
| [   18.578783][  T543] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/543
| [   18.579041][  T543] Modules linked in: vxlan
| [   18.579490][  T543] Tainted: [W]=WARN
[   18.579599][  T543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.579782][  T543] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.579976][  T543] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.580484][  T543] RSP: 0018:ffa0000001256fd0 EFLAGS: 00010286
[   18.580664][  T543] RAX: 00000000ffffffa6 RBX: ff1100000a1b3c40 RCX: 1ff400000024adc0
[   18.580885][  T543] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b3cfc
[   18.581097][  T543] RBP: ff1100000f17a000 R08: 1fe22000014367a1 R09: ff1100000f850b80
[   18.581309][  T543] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.581527][  T543] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f17ae44
[   18.581741][  T543] FS:  00007f4ca298d840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   18.581995][  T543] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.582173][  T543] CR2: 0000000000437490 CR3: 000000000f61f003 CR4: 0000000000771ef0
[   18.582386][  T543] PKRU: 55555554
[   18.582498][  T543] Call Trace:
[   18.582606][  T543]  <TASK>
[   18.582679][  T543]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.582829][  T543]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   18.582977][  T543]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.583083][  T543]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   18.583224][  T543]  __dev_notify_flags (net/core/dev.c:9787)
[   18.583367][  T543]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.583515][  T543]  ? netif_change_name (net/core/dev.c:1495)
[   18.583659][  T543]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   18.583804][  T543]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   18.583953][  T543] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   18.584098][  T543]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   18.584244][  T543] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   18.584389][  T543]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   18.584544][  T543]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   18.584690][  T543]  ? nla_strscpy (lib/nlattr.c:795)
[   18.584837][  T543]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   18.584983][  T543]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   18.585124][  T543]  ? __dev_get_by_name (net/core/dev.c:883)
[   18.585266][  T543]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   18.585413][  T543]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   18.585567][  T543]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.585710][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.585859][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.586002][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.586144][  T543]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.586287][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.586434][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.586580][  T543]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.586722][  T543]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.586872][  T543]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.587013][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.587156][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.587299][  T543]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.587440][  T543]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.587589][  T543]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.587730][  T543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.587876][  T543]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.588022][  T543]  ? 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))
[   18.588163][  T543]  ? 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))
[   18.588307][  T543]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.588450][  T543]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.588598][  T543]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.588741][  T543]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.588891][  T543]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.589039][  T543]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.589184][  T543]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.589328][  T543]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.589473][  T543]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.589648][  T543]  ? move_addr_to_kernel (net/socket.c:258)
[   18.589795][  T543]  ___sys_sendmsg (net/socket.c:2752)
[   18.589940][  T543]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.590083][  T543]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.590232][  T543]  ? 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))
[   18.590376][  T543]  __sys_sendmsg (net/socket.c:2784)
[   18.590525][  T543]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.590671][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.590814][  T543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.590964][  T543]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.591106][  T543]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.591251][  T543]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.591394][  T543]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.591577][  T543] RIP: 0033:0x7f4ca2bc708e
[   18.591727][  T543] 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
[   18.592244][  T543] RSP: 002b:00007ffd065db1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.592465][  T543] RAX: ffffffffffffffda RBX: 00007ffd065db9a0 RCX: 00007f4ca2bc708e
[   18.592678][  T543] RDX: 0000000000000000 RSI: 00007ffd065db2a0 RDI: 0000000000000005
[   18.592898][  T543] RBP: 00007ffd065db200 R08: 0000000000000000 R09: 0000000000000000
[   18.593110][  T543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b1
[   18.593325][  T543] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd065db970
| [   18.626185][  T544] ------------[ cut here ]------------
| [   18.626374][  T544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/544
| [   18.626661][  T544] Modules linked in: vxlan
| [   18.627913][  T544] Tainted: [W]=WARN
[   18.628153][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.628446][  T544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.628747][  T544] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.629330][  T544] RSP: 0018:ffa00000012671b0 EFLAGS: 00010286
[   18.629552][  T544] RAX: 00000000ffffffa6 RBX: ff11000009c4dc40 RCX: 1ff400000024cdfc
[   18.629804][  T544] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4dcfc
[   18.630065][  T544] RBP: ff1100000f3da000 R08: 1fe2200001389ba1 R09: ff1100000f855180
[   18.630314][  T544] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   18.630571][  T544] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   18.630831][  T544] FS:  00007fb0b70ac840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   18.631114][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.631330][  T544] CR2: 0000000000441b40 CR3: 000000000e6bf005 CR4: 0000000000771ef0
[   18.631590][  T544] PKRU: 55555554
[   18.631738][  T544] Call Trace:
[   18.631898][  T544]  <TASK>
[   18.632017][  T544]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.632204][  T544]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.632356][  T544]  __dev_notify_flags (net/core/dev.c:9787)
[   18.632547][  T544]  ? netif_change_name (net/core/dev.c:1495)
[   18.632733][  T544]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.632959][  T544]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.633144][  T544]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   18.633328][  T544]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   18.633520][  T544]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   18.633704][  T544]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   18.633901][  T544]  ? __dev_get_by_name (net/core/dev.c:883)
[   18.634082][  T544]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   18.634270][  T544]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   18.634466][  T544]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.634652][  T544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.634848][  T544]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.635034][  T544]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.635219][  T544]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.635401][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.635599][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.635783][  T544]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.635977][  T544]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.636160][  T544]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.636342][  T544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.636532][  T544]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.636720][  T544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.636919][  T544]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.637103][  T544]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.637285][  T544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.637473][  T544]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.637659][  T544]  ? 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))
[   18.637852][  T544]  ? 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))
[   18.638036][  T544]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.638223][  T544]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.638406][  T544]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.638598][  T544]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.638784][  T544]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.638976][  T544]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.639164][  T544]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.639347][  T544]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.639538][  T544]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.639753][  T544]  ? move_addr_to_kernel (net/socket.c:258)
[   18.639953][  T544]  ___sys_sendmsg (net/socket.c:2752)
[   18.640134][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.640317][  T544]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.640515][  T544]  ? 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))
[   18.640701][  T544]  __sys_sendmsg (net/socket.c:2784)
[   18.640902][  T544]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.641089][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.641273][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.641465][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.641649][  T544]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.641847][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.642035][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.642250][  T544] RIP: 0033:0x7fb0b72e608e
[   18.642439][  T544] 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
[   18.642985][  T544] RSP: 002b:00007ffe9e7557c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.643242][  T544] RAX: ffffffffffffffda RBX: 00007ffe9e755f68 RCX: 00007fb0b72e608e
[   18.643501][  T544] RDX: 0000000000000000 RSI: 00007ffe9e755870 RDI: 0000000000000005
[   18.643750][  T544] RBP: 00007ffe9e7557d0 R08: 0000000000000000 R09: 0000000000000000
[   18.644012][  T544] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b1
[   18.644260][  T544] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9e755f40
| [   18.682119][  T545] ------------[ cut here ]------------
| [   18.682282][  T545] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/545
| [   18.682530][  T545] Modules linked in: vxlan
| [   18.683514][  T545] Tainted: [W]=WARN
[   18.683621][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.683791][  T545] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.683974][  T545] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.684463][  T545] RSP: 0018:ffa00000012771b0 EFLAGS: 00010286
[   18.684635][  T545] RAX: 00000000ffffffa6 RBX: ff1100000c937000 RCX: 1ff400000024edfc
[   18.684839][  T545] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9370bc
[   18.685043][  T545] RBP: ff1100000f3c2000 R08: 1fe2200001926e19 R09: ff1100000f852e80
[   18.685246][  T545] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   18.685448][  T545] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   18.685657][  T545] FS:  00007ffba2d2a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   18.685901][  T545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.686073][  T545] CR2: 00007ffba3091ee3 CR3: 000000000f0fd001 CR4: 0000000000771ef0
[   18.686277][  T545] PKRU: 55555554
[   18.686378][  T545] Call Trace:
[   18.686485][  T545]  <TASK>
[   18.686556][  T545]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.686694][  T545]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.686797][  T545]  __dev_notify_flags (net/core/dev.c:9787)
[   18.686941][  T545]  ? netif_change_name (net/core/dev.c:1495)
[   18.687078][  T545]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   18.687248][  T545]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   18.687386][  T545]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   18.687527][  T545]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   18.687664][  T545]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   18.687801][  T545]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   18.687947][  T545]  ? __dev_get_by_name (net/core/dev.c:883)
[   18.688084][  T545]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   18.688226][  T545]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   18.688366][  T545]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   18.688508][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.688644][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.688778][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.688920][  T545]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   18.689057][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.689196][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.689335][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   18.689474][  T545]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.689609][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   18.689744][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.689887][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.690026][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.690161][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   18.690299][  T545]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.690436][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.690577][  T545]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.690717][  T545]  ? 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))
[   18.690858][  T545]  ? 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))
[   18.690995][  T545]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.691132][  T545]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.691268][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   18.691406][  T545]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.691548][  T545]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   18.691682][  T545]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   18.691825][  T545]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.691962][  T545]  ? copy_msghdr_from_user (net/socket.c:2635)
[   18.692097][  T545]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   18.692264][  T545]  ? move_addr_to_kernel (net/socket.c:258)
[   18.692403][  T545]  ___sys_sendmsg (net/socket.c:2752)
[   18.692543][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   18.692679][  T545]  ? copy_msghdr_from_user (net/socket.c:2603)
[   18.692828][  T545]  ? 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))
[   18.692966][  T545]  __sys_sendmsg (net/socket.c:2784)
[   18.693103][  T545]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   18.693242][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.693377][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   18.693517][  T545]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.693654][  T545]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   18.693789][  T545]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   18.693931][  T545]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.694098][  T545] RIP: 0033:0x7ffba2f6408e
[   18.694242][  T545] 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
[   18.694726][  T545] RSP: 002b:00007ffedfbca520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.694934][  T545] RAX: ffffffffffffffda RBX: 00007ffedfbcacc8 RCX: 00007ffba2f6408e
[   18.695137][  T545] RDX: 0000000000000000 RSI: 00007ffedfbca5d0 RDI: 0000000000000005
[   18.695337][  T545] RBP: 00007ffedfbca530 R08: 0000000000000000 R09: 0000000000000000
[   18.695542][  T545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b1
[   18.695744][  T545] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedfbcaca0
| [   19.196308][  T574] ------------[ cut here ]------------
| [   19.196480][  T574] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/574
| [   19.196717][  T574] Modules linked in: vxlan
| [   19.197537][  T574] Tainted: [W]=WARN
[   19.197633][  T574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.197790][  T574] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.198046][  T574] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.198502][  T574] RSP: 0018:ffa0000001337190 EFLAGS: 00010286
[   19.198660][  T574] RAX: 00000000ffffffa6 RBX: ff1100000947a900 RCX: 1ff4000000266df8
[   19.198878][  T574] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947a9bc
[   19.199068][  T574] RBP: ff1100000f3c2000 R08: 1fe220000128f539 R09: ff1100000f66ae58
[   19.199255][  T574] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.199442][  T574] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.199638][  T574] FS:  00007f453fc11840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   19.199863][  T574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.200021][  T574] CR2: 00007f453fee11a0 CR3: 0000000011c80005 CR4: 0000000000771ef0
[   19.200211][  T574] PKRU: 55555554
[   19.200305][  T574] Call Trace:
[   19.200400][  T574]  <TASK>
[   19.200470][  T574]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.200637][  T574]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.200794][  T574]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.200928][  T574]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.201058][  T574]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.201219][  T574]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.201351][  T574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.201483][  T574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.201610][  T574]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.201742][  T574]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.201875][  T574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.202023][  T574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.202150][  T574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.202276][  T574]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.202402][  T574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.202530][  T574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.202659][  T574]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   19.202785][  T574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.202924][  T574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.203048][  T574]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.203173][  T574]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.203298][  T574]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.203424][  T574]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.203556][  T574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.203683][  T574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.203807][  T574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.203940][  T574]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.204063][  T574]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.204188][  T574]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.204314][  T574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.204439][  T574]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.204574][  T574]  ? 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))
[   19.204698][  T574]  ? 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))
[   19.204832][  T574]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.204960][  T574]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.205085][  T574]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.205210][  T574]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.205336][  T574]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.205467][  T574]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.205596][  T574]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.205721][  T574]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.205851][  T574]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.206007][  T574]  ? move_addr_to_kernel (net/socket.c:258)
[   19.206132][  T574]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.206261][  T574]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.206389][  T574]  ___sys_sendmsg (net/socket.c:2752)
[   19.206519][  T574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.206678][  T574]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.206816][  T574]  __sys_sendmsg (net/socket.c:2784)
[   19.206947][  T574]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.207073][  T574]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.207231][  T574]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.207359][  T574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.207494][  T574]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.207622][  T574]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.207750][  T574]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.207884][  T574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.208041][  T574] RIP: 0033:0x7f453fe4b08e
[   19.208174][  T574] 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
[   19.208629][  T574] RSP: 002b:00007fff184865d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.208826][  T574] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f453fe4b08e
[   19.209016][  T574] RDX: 0000000000000000 RSI: 00007fff18486680 RDI: 0000000000000005
[   19.209204][  T574] RBP: 00007fff184865e0 R08: 0000000000000000 R09: 0000000000000000
[   19.209394][  T574] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b2
[   19.209588][  T574] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff18486d50
| [   19.263638][  T575] ------------[ cut here ]------------
| [   19.263787][  T575] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/575
| [   19.264024][  T575] Modules linked in: vxlan
| [   19.264411][  T575] Tainted: [W]=WARN
[   19.264512][  T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.264666][  T575] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.264838][  T575] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.265293][  T575] RSP: 0018:ffa0000001357190 EFLAGS: 00010286
[   19.265457][  T575] RAX: 00000000ffffffa6 RBX: ff1100000dbf91c0 RCX: 1ff400000026adf8
[   19.265648][  T575] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf927c
[   19.265841][  T575] RBP: ff1100000f3da000 R08: 1fe2200001b7f251 R09: ff1100000f66d158
[   19.266025][  T575] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.266213][  T575] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.266401][  T575] FS:  00007f50eab12840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   19.266624][  T575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.266781][  T575] CR2: 00007f50eade21a0 CR3: 0000000011f25002 CR4: 0000000000771ef0
[   19.266974][  T575] PKRU: 55555554
[   19.267068][  T575] Call Trace:
[   19.267161][  T575]  <TASK>
[   19.267225][  T575]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.267387][  T575]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.267544][  T575]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.267669][  T575]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.267794][  T575]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.267962][  T575]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.268088][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.268211][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.268333][  T575]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.268458][  T575]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.268585][  T575]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.268727][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.268909][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.269036][  T575]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.269162][  T575]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.269286][  T575]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.269410][  T575]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   19.269541][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.269663][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.269788][  T575]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.269967][  T575]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.270145][  T575]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.270272][  T575]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.270397][  T575]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.270524][  T575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.270649][  T575]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.270786][  T575]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.270963][  T575]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.271089][  T575]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.271216][  T575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.271341][  T575]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.271474][  T575]  ? 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))
[   19.271599][  T575]  ? 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))
[   19.271727][  T575]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.271907][  T575]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.272034][  T575]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.272164][  T575]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.272291][  T575]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.272421][  T575]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.272558][  T575]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.272685][  T575]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.272883][  T575]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.273038][  T575]  ? move_addr_to_kernel (net/socket.c:258)
[   19.273166][  T575]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.273295][  T575]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.273422][  T575]  ___sys_sendmsg (net/socket.c:2752)
[   19.273549][  T575]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.273705][  T575]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.273894][  T575]  __sys_sendmsg (net/socket.c:2784)
[   19.274021][  T575]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.274145][  T575]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.274304][  T575]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.274430][  T575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.274562][  T575]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.274689][  T575]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.274816][  T575]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.274996][  T575]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.275150][  T575] RIP: 0033:0x7f50ead4c08e
[   19.275283][  T575] 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
[   19.275734][  T575] RSP: 002b:00007fff8cc54450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.275974][  T575] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f50ead4c08e
[   19.276162][  T575] RDX: 0000000000000000 RSI: 00007fff8cc54500 RDI: 0000000000000005
[   19.276349][  T575] RBP: 00007fff8cc54460 R08: 0000000000000000 R09: 0000000000000000
[   19.276538][  T575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b2
[   19.276723][  T575] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8cc54bd0
| [   19.330744][  T576] ------------[ cut here ]------------
| [   19.330912][  T576] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/576
| [   19.331138][  T576] Modules linked in: vxlan
| [   19.331535][  T576] Tainted: [W]=WARN
[   19.331631][  T576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.331793][  T576] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.331965][  T576] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.332409][  T576] RSP: 0018:ffa0000001357190 EFLAGS: 00010286
[   19.332575][  T576] RAX: 00000000ffffffa6 RBX: ff1100000cd8aac0 RCX: 1ff400000026adf8
[   19.332762][  T576] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8ab7c
[   19.332954][  T576] RBP: ff1100000f17a000 R08: 1fe22000019b1571 R09: ff1100000fb68b58
[   19.333138][  T576] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.333324][  T576] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.333517][  T576] FS:  00007f8915cb8840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   19.333741][  T576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.333910][  T576] CR2: 000055bc859ab968 CR3: 000000000f2bd003 CR4: 0000000000771ef0
[   19.334097][  T576] PKRU: 55555554
[   19.334190][  T576] Call Trace:
[   19.334288][  T576]  <TASK>
[   19.334354][  T576]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.334523][  T576]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.334683][  T576]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.334811][  T576]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.334944][  T576]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.335067][  T576]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.335192][  T576]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.335315][  T576]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.335441][  T576]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.335587][  T576]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.335711][  T576]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.335843][  T576]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.335968][  T576]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.336093][  T576]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.336223][  T576]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   19.336351][  T576]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.336477][  T576]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.336602][  T576]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.336732][  T576]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.336865][  T576]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.336990][  T576]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.337116][  T576]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.337241][  T576]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.337366][  T576]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.337497][  T576]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.337621][  T576]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.337746][  T576]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.337879][  T576]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.338004][  T576]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.338131][  T576]  ? 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))
[   19.338256][  T576]  ? 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))
[   19.338383][  T576]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.338513][  T576]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.338638][  T576]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.338764][  T576]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.338896][  T576]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.339022][  T576]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.339148][  T576]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.339276][  T576]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.339401][  T576]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.339559][  T576]  ? move_addr_to_kernel (net/socket.c:258)
[   19.339683][  T576]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.339811][  T576]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.339945][  T576]  ___sys_sendmsg (net/socket.c:2752)
[   19.340069][  T576]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.340226][  T576]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.340363][  T576]  __sys_sendmsg (net/socket.c:2784)
[   19.340494][  T576]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.340618][  T576]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.340774][  T576]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.340904][  T576]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.341032][  T576]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.341160][  T576]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.341285][  T576]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.341409][  T576]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.341571][  T576] RIP: 0033:0x7f8915ef208e
[   19.341705][  T576] 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
[   19.342176][  T576] RSP: 002b:00007fff6d88fa80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.342363][  T576] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8915ef208e
[   19.342555][  T576] RDX: 0000000000000000 RSI: 00007fff6d88fb30 RDI: 0000000000000005
[   19.342748][  T576] RBP: 00007fff6d88fa90 R08: 0000000000000000 R09: 0000000000000000
[   19.342943][  T576] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b2
[   19.343132][  T576] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6d890200
| [   19.387513][  T577] ------------[ cut here ]------------
| [   19.387661][  T577] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/577
| [   19.387897][  T577] Modules linked in: vxlan
| [   19.388288][  T577] Tainted: [W]=WARN
[   19.388384][  T577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.388545][  T577] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.388709][  T577] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.389161][  T577] RSP: 0018:ffa00000012c7190 EFLAGS: 00010286
[   19.389324][  T577] RAX: 00000000ffffffa6 RBX: ff1100000ff6b540 RCX: 1ff4000000258df8
[   19.389514][  T577] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6b5fc
[   19.389699][  T577] RBP: ff1100000f632000 R08: 1fe2200001fed6c1 R09: ff1100000fb6ae58
[   19.389892][  T577] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.390077][  T577] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.390265][  T577] FS:  00007f9bf7364840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   19.390487][  T577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.390645][  T577] CR2: 0000000007c8c988 CR3: 00000000118c7004 CR4: 0000000000771ef0
[   19.390894][  T577] PKRU: 55555554
[   19.390989][  T577] Call Trace:
[   19.391088][  T577]  <TASK>
[   19.391157][  T577]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.391320][  T577]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.391531][  T577]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.391663][  T577]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   19.391789][  T577]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.391999][  T577]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.392124][  T577]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.392249][  T577]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.392373][  T577]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.392521][  T577]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.392645][  T577]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.392771][  T577]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.392971][  T577]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.393096][  T577]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.393221][  T577]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   19.393348][  T577]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.393475][  T577]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.393601][  T577]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.393728][  T577]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.393934][  T577]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   19.394062][  T577]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.394187][  T577]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.394311][  T577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.394434][  T577]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.394564][  T577]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.394688][  T577]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.394814][  T577]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.395023][  T577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.395147][  T577]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.395274][  T577]  ? 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))
[   19.395398][  T577]  ? 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))
[   19.395530][  T577]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.395656][  T577]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.395782][  T577]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.395994][  T577]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.396121][  T577]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.396246][  T577]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.396373][  T577]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.396503][  T577]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.396629][  T577]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.396789][  T577]  ? move_addr_to_kernel (net/socket.c:258)
[   19.396976][  T577]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.397103][  T577]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.397230][  T577]  ___sys_sendmsg (net/socket.c:2752)
[   19.397355][  T577]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.397518][  T577]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.397655][  T577]  __sys_sendmsg (net/socket.c:2784)
[   19.397782][  T577]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.397960][  T577]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.398120][  T577]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.398246][  T577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.398373][  T577]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.398503][  T577]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.398627][  T577]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.398752][  T577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.398978][  T577] RIP: 0033:0x7f9bf759e08e
[   19.399111][  T577] 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
[   19.399562][  T577] RSP: 002b:00007fff71e76830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.399751][  T577] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9bf759e08e
[   19.399966][  T577] RDX: 0000000000000000 RSI: 00007fff71e768e0 RDI: 0000000000000005
[   19.400154][  T577] RBP: 00007fff71e76840 R08: 0000000000000000 R09: 0000000000000000
[   19.400342][  T577] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b2
[   19.400532][  T577] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff71e76fb0
| [   19.483598][   T68] ------------[ cut here ]------------
| [   19.483740][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   19.483994][   T68] Modules linked in: vxlan
| [   19.484394][   T68] Tainted: [W]=WARN
[   19.484489][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.484638][   T68] Workqueue: netns cleanup_net
[   19.484763][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.484925][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.485355][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   19.485509][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14fa80 RCX: 1ff4000000092eed
[   19.485686][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14fb3c
[   19.485866][   T68] RBP: ff1100000e42c000 R08: 1fe2200001a29f69 R09: ff1100000915aed0
[   19.486042][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.486215][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.486402][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   19.486614][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.486764][   T68] CR2: 00007f155c7b5000 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   19.486949][   T68] PKRU: 55555554
[   19.487038][   T68] Call Trace:
[   19.487132][   T68]  <TASK>
[   19.487199][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.487351][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.487501][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.487624][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.487745][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.487875][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.487994][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.488115][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.488234][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   19.488354][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.488478][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   19.488597][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.488716][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.488842][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.488965][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.489084][   T68]  process_one_work (kernel/workqueue.c:3314)
[   19.489205][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.489323][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.489444][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.489569][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.489686][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.489808][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.489940][   T68]  kthread (kernel/kthread.c:436)
[   19.490034][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.490181][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.490299][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.490418][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.490568][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.490686][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.490803][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.493369][   T68] ------------[ cut here ]------------
| [   19.493495][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   19.493728][   T68] Modules linked in: vxlan
| [   19.494124][   T68] Tainted: [W]=WARN
[   19.494219][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.494370][   T68] Workqueue: netns cleanup_net
[   19.494497][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.494650][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.495071][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   19.495219][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14f380 RCX: 1ff4000000092eed
[   19.495394][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14f43c
[   19.495574][   T68] RBP: ff1100000f9c9000 R08: 1fe2200001a29e89 R09: ff1100000915aed0
[   19.495748][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.495929][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.496105][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   19.496308][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.496454][   T68] CR2: 00007f155c7b5000 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   19.496638][   T68] PKRU: 55555554
[   19.496726][   T68] Call Trace:
[   19.496815][   T68]  <TASK>
[   19.496884][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.497036][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.497182][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.497300][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.497419][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.497542][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.497659][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.497779][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.497906][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   19.498022][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.498143][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   19.498260][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.498378][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.498501][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.498624][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.498745][   T68]  process_one_work (kernel/workqueue.c:3314)
[   19.498871][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.498989][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.499112][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.499232][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.499348][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.499472][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.499590][   T68]  kthread (kernel/kthread.c:436)
[   19.499678][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.499833][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.499952][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.500070][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.500219][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.500337][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.500456][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.503052][   T68] ------------[ cut here ]------------
| [   19.503173][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   19.503476][   T68] Modules linked in: vxlan
| [   19.504503][   T68] Tainted: [W]=WARN
[   19.504598][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.504750][   T68] Workqueue: netns cleanup_net
[   19.504930][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.505088][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.505520][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   19.505676][   T68] RAX: 00000000ffffffa6 RBX: ff1100000954fa80 RCX: 1ff4000000092eed
[   19.505900][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954fb3c
[   19.506121][   T68] RBP: ff1100000e419000 R08: 1fe22000012a9f69 R09: ff1100000915aed0
[   19.506298][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.506478][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.506654][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   19.506905][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.507053][   T68] CR2: 00007f155c7b5000 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   19.507230][   T68] PKRU: 55555554
[   19.507319][   T68] Call Trace:
[   19.507406][   T68]  <TASK>
[   19.507472][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.507627][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.507776][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.507941][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.508062][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.508181][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.508297][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.508415][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.508538][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   19.508653][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.508776][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   19.508977][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.509094][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.509212][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.509329][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.509448][   T68]  process_one_work (kernel/workqueue.c:3314)
[   19.509574][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.509690][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.509810][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.509976][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.510095][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.510213][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.510329][   T68]  kthread (kernel/kthread.c:436)
[   19.510426][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.510576][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.510695][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.510813][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.511011][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.511130][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.511246][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.513486][   T68] ------------[ cut here ]------------
| [   19.513701][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   19.513972][   T68] Modules linked in: vxlan
| [   19.514369][   T68] Tainted: [W]=WARN
[   19.514467][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.514615][   T68] Workqueue: netns cleanup_net
[   19.514745][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.514905][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.515318][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   19.515471][   T68] RAX: 00000000ffffffa6 RBX: ff1100000954fc40 RCX: 1ff4000000092eed
[   19.515646][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954fcfc
[   19.515832][   T68] RBP: ff110000020bc000 R08: 1fe22000012a9fa1 R09: ff1100000915aed0
[   19.516008][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.516180][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.516358][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   19.516567][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.516713][   T68] CR2: 00007ff461ff4574 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   19.516893][   T68] PKRU: 55555554
[   19.516980][   T68] Call Trace:
[   19.517067][   T68]  <TASK>
[   19.517128][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.517282][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.517432][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.517554][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.517672][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.517790][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.517914][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.518033][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.518153][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   19.518268][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.518388][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   19.518515][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.518636][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.518756][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.518939][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.519113][   T68]  process_one_work (kernel/workqueue.c:3314)
[   19.519241][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.519360][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.519494][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.519623][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.519744][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.519913][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.520035][   T68]  kthread (kernel/kthread.c:436)
[   19.520123][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.520270][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.520388][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.520511][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.520658][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.520776][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.520941][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.523959][   T68] ------------[ cut here ]------------
| [   19.524166][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   19.524412][   T68] Modules linked in: vxlan
| [   19.524808][   T68] Tainted: [W]=WARN
[   19.524912][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.525061][   T68] Workqueue: netns cleanup_net
[   19.525183][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.525334][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.525756][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   19.525911][   T68] RAX: 00000000ffffffa6 RBX: ff1100000954f8c0 RCX: 1ff4000000092eed
[   19.526094][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954f97c
[   19.526274][   T68] RBP: ff11000004dc9000 R08: 1fe22000012a9f31 R09: ff1100000915aed0
[   19.526445][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.526625][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.526800][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   19.527009][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.527156][   T68] CR2: 00007ff461ff4574 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   19.527333][   T68] PKRU: 55555554
[   19.527423][   T68] Call Trace:
[   19.527515][   T68]  <TASK>
[   19.527577][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.527727][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.527880][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.527999][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.528119][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.528234][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.528352][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.528475][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.528598][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   19.528714][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.528838][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   19.528955][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.529071][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.529191][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.529311][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.529430][   T68]  process_one_work (kernel/workqueue.c:3314)
[   19.529558][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.529674][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.529795][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.529920][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.530039][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.530165][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.530282][   T68]  kthread (kernel/kthread.c:436)
[   19.530370][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.530521][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.530639][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.530757][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.530909][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.531028][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.531144][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.549694][   T68] ------------[ cut here ]------------
| [   19.549850][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   19.550099][   T68] Modules linked in: vxlan
| [   19.550509][   T68] Tainted: [W]=WARN
[   19.550602][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.550757][   T68] Workqueue: netns cleanup_net
[   19.550897][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.551056][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.551507][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   19.551664][   T68] RAX: 00000000ffffffa6 RBX: ff1100000954f540 RCX: 1ff4000000092eaf
[   19.551857][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954f5fc
[   19.552040][   T68] RBP: ff11000009229000 R08: 1fe22000012a9ec1 R09: ff1100000915aed0
[   19.552222][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   19.552405][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   19.552599][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   19.552814][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.552977][   T68] CR2: 00007ff461ff4574 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   19.553161][   T68] PKRU: 55555554
[   19.553253][   T68] Call Trace:
[   19.553345][   T68]  <TASK>
[   19.553413][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.553546][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.553639][   T68]  netif_close_many (net/core/dev.c:1804)
[   19.553762][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.553891][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.554015][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.554138][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   19.554262][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.554420][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.554590][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.554713][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.554842][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   19.554967][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.555124][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.555251][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.555379][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.555507][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.555635][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.555760][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.555892][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   19.556015][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.556141][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   19.556268][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.556390][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.556523][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.556646][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.556771][   T68]  process_one_work (kernel/workqueue.c:3314)
[   19.556954][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.557078][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.557208][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.557334][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.557457][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.557588][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.557712][   T68]  kthread (kernel/kthread.c:436)
[   19.557806][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.558016][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.558139][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.558266][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.558420][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.558575][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.558699][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.562442][   T68] ------------[ cut here ]------------
| [   19.562633][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   19.562896][   T68] Modules linked in: vxlan
| [   19.563382][   T68] Tainted: [W]=WARN
[   19.563476][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.563625][   T68] Workqueue: netns cleanup_net
[   19.563748][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.563910][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.564454][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   19.564620][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7e200 RCX: 1ff4000000092ed5
[   19.564796][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7e2bc
[   19.564992][   T68] RBP: ff11000009229000 R08: 1fe220000198fc59 R09: ff1100000915aed0
[   19.565172][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.565376][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.565587][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   19.565857][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.566034][   T68] CR2: 00007ff461ff4574 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   19.566215][   T68] PKRU: 55555554
[   19.566313][   T68] Call Trace:
[   19.566408][   T68]  <TASK>
[   19.566476][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.566631][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.566799][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.566986][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.567161][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.567337][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.567523][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.567694][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.567836][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   19.567980][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.568155][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   19.568333][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.568518][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.568698][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.568854][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.568991][   T68]  process_one_work (kernel/workqueue.c:3314)
[   19.569167][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.569338][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.569531][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.569713][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.569879][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.570001][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.570121][   T68]  kthread (kernel/kthread.c:436)
[   19.570229][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.570436][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.570574][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.570698][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.570856][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.570975][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.571096][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.714527][  T588] ------------[ cut here ]------------
| [   19.714728][  T588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/588
| [   19.715024][  T588] Modules linked in: vxlan
| [   19.715540][  T588] Tainted: [W]=WARN
[   19.715688][  T588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.715913][  T588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.716136][  T588] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.716658][  T588] RSP: 0018:ffa0000001387a80 EFLAGS: 00010286
[   19.716884][  T588] RAX: 00000000ffffffa6 RBX: ff1100000954ec80 RCX: 1ff4000000270f16
[   19.717129][  T588] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954ed3c
[   19.717373][  T588] RBP: ff1100000f6e9000 R08: 1fe22000012a9da9 R09: ff11000011832e80
[   19.717626][  T588] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.717886][  T588] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f6e9000
[   19.718135][  T588] FS:  00007f3592b46840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   19.718416][  T588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.718641][  T588] CR2: 00007f3592ebf493 CR3: 00000000050ed006 CR4: 0000000000771ef0
[   19.718901][  T588] PKRU: 55555554
[   19.719047][  T588] Call Trace:
[   19.719193][  T588]  <TASK>
[   19.719310][  T588]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.719498][  T588]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.719679][  T588]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.719840][  T588]  register_netdevice (net/core/dev.c:11488)
[   19.720022][  T588]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.720235][  T588]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.720419][  T588]  register_netdev (net/core/dev.c:11552)
[   19.720608][  T588]  loopback_net_init (drivers/net/loopback.c:218)
[   19.720791][  T588]  ops_init (net/core/net_namespace.c:137)
[   19.720957][  T588]  setup_net (net/core/net_namespace.c:446)
[   19.721110][  T588]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.721287][  T588]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.721474][  T588]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.721656][  T588]  copy_net_ns (net/core/net_namespace.c:579)
[   19.721850][  T588]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.722032][  T588]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.722212][  T588]  ksys_unshare (kernel/fork.c:3243)
[   19.722395][  T588]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.722584][  T588]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.722765][  T588]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.722959][  T588]  ? __ia32_sys_open (fs/open.c:1374)
[   19.723141][  T588]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.723320][  T588]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.723506][  T588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.723691][  T588]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.723885][  T588]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.724066][  T588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.724275][  T588] RIP: 0033:0x7f3592e08bcb
[   19.724459][  T588] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.724999][  T588] RSP: 002b:00007ffd02d4c558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.725244][  T588] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3592e08bcb
[   19.725491][  T588] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.725735][  T588] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.725994][  T588] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd02d4e780
[   19.726235][  T588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd02d5088c
| [   19.730937][  T588] ------------[ cut here ]------------
| [   19.731119][  T588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/588
| [   19.731392][  T588] Modules linked in: vxlan
| [   19.731904][  T588] Tainted: [W]=WARN
[   19.732050][  T588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.732263][  T588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.732487][  T588] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.733002][  T588] RSP: 0018:ffa0000001387918 EFLAGS: 00010286
[   19.733215][  T588] RAX: 00000000ffffffa6 RBX: ff110000095ae040 RCX: 1ff4000000270ee9
[   19.733458][  T588] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095ae0fc
[   19.733708][  T588] RBP: ff110000091fc000 R08: 1fe22000012b5c21 R09: ff11000011832e80
[   19.733963][  T588] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.734205][  T588] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091fc000
[   19.734452][  T588] FS:  00007f3592b46840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   19.734736][  T588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.734961][  T588] CR2: 00007f3592ebf493 CR3: 00000000050ed006 CR4: 0000000000771ef0
[   19.735206][  T588] PKRU: 55555554
[   19.735350][  T588] Call Trace:
[   19.735505][  T588]  <TASK>
[   19.735621][  T588]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.735801][  T588]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.735992][  T588]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.736140][  T588]  register_netdevice (net/core/dev.c:11488)
[   19.736318][  T588]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.736536][  T588]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.736720][  T588]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.736913][  T588]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.737090][  T588]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.737269][  T588]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.737449][  T588]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.737638][  T588]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   19.737832][  T588]  ops_init (net/core/net_namespace.c:137)
[   19.737981][  T588]  setup_net (net/core/net_namespace.c:446)
[   19.738130][  T588]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.738308][  T588]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.738494][  T588]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.738677][  T588]  copy_net_ns (net/core/net_namespace.c:579)
[   19.738870][  T588]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.739053][  T588]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.739231][  T588]  ksys_unshare (kernel/fork.c:3243)
[   19.739411][  T588]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.739601][  T588]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.739779][  T588]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.739972][  T588]  ? __ia32_sys_open (fs/open.c:1374)
[   19.740153][  T588]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.740329][  T588]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.740509][  T588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.740690][  T588]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.740887][  T588]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.741066][  T588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.741274][  T588] RIP: 0033:0x7f3592e08bcb
[   19.741457][  T588] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.741989][  T588] RSP: 002b:00007ffd02d4c558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.742232][  T588] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3592e08bcb
[   19.742477][  T588] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.742717][  T588] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.742969][  T588] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd02d4e780
[   19.743207][  T588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd02d5088c
| [   19.748055][  T588] ------------[ cut here ]------------
| [   19.748237][  T588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/588
| [   19.748521][  T588] Modules linked in: vxlan
| [   19.749028][  T588] Tainted: [W]=WARN
[   19.749176][  T588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.749390][  T588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.749611][  T588] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.750137][  T588] RSP: 0018:ffa00000013878f8 EFLAGS: 00010286
[   19.750352][  T588] RAX: 00000000ffffffa6 RBX: ff1100000b3b6580 RCX: 1ff4000000270ee5
[   19.750604][  T588] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b663c
[   19.750859][  T588] RBP: ff1100000c274000 R08: 1fe2200001676cc9 R09: ff11000011832e80
[   19.751099][  T588] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.751341][  T588] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c274000
[   19.751598][  T588] FS:  00007f3592b46840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   19.751888][  T588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.752100][  T588] CR2: 00007f3592ebf493 CR3: 00000000050ed006 CR4: 0000000000771ef0
[   19.752344][  T588] PKRU: 55555554
[   19.752496][  T588] Call Trace:
[   19.752645][  T588]  <TASK>
[   19.752761][  T588]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.752955][  T588]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.753136][  T588]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.753285][  T588]  register_netdevice (net/core/dev.c:11488)
[   19.753474][  T588]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.753685][  T588]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.753894][  T588]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.754084][  T588]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.754263][  T588]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.754444][  T588]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.754631][  T588]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.754812][  T588]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   19.755005][  T588]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.755187][  T588]  vti_init_net (net/ipv4/ip_vti.c:517)
[   19.755371][  T588]  ops_init (net/core/net_namespace.c:137)
[   19.755527][  T588]  setup_net (net/core/net_namespace.c:446)
[   19.755674][  T588]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.755866][  T588]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.756047][  T588]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.756228][  T588]  copy_net_ns (net/core/net_namespace.c:579)
[   19.756409][  T588]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.756603][  T588]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.756784][  T588]  ksys_unshare (kernel/fork.c:3243)
[   19.756974][  T588]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.757154][  T588]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.757333][  T588]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.757523][  T588]  ? __ia32_sys_open (fs/open.c:1374)
[   19.757703][  T588]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.757898][  T588]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.758077][  T588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.758256][  T588]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.758435][  T588]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.758626][  T588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.758849][  T588] RIP: 0033:0x7f3592e08bcb
[   19.759033][  T588] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.759554][  T588] RSP: 002b:00007ffd02d4c558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.759799][  T588] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3592e08bcb
[   19.760056][  T588] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.760304][  T588] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.760556][  T588] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd02d4e780
[   19.760802][  T588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd02d5088c
| [   19.767525][  T588] ------------[ cut here ]------------
| [   19.767704][  T588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/588
| [   19.768507][  T588] Modules linked in: vxlan
| [   19.769127][  T588] Tainted: [W]=WARN
[   19.769329][  T588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.769602][  T588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.769892][  T588] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.770471][  T588] RSP: 0018:ffa0000001387a78 EFLAGS: 00010286
[   19.770751][  T588] RAX: 00000000ffffffa6 RBX: ff1100000b3b7a80 RCX: 1ff4000000270f15
[   19.771060][  T588] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b7b3c
[   19.771358][  T588] RBP: ff11000009239000 R08: 1fe2200001676f69 R09: ff11000011832e80
[   19.771664][  T588] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.771971][  T588] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009239000
[   19.772273][  T588] FS:  00007f3592b46840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   19.772611][  T588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.772893][  T588] CR2: 00007f3592ebf493 CR3: 00000000050ed006 CR4: 0000000000771ef0
[   19.773191][  T588] PKRU: 55555554
[   19.773391][  T588] Call Trace:
[   19.773597][  T588]  <TASK>
[   19.773764][  T588]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.774010][  T588]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.774243][  T588]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.774449][  T588]  register_netdevice (net/core/dev.c:11488)
[   19.774693][  T588]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.774971][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.775206][  T588]  register_netdev (net/core/dev.c:11552)
[   19.775438][  T588]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   19.775680][  T588]  ops_init (net/core/net_namespace.c:137)
[   19.775853][  T588]  setup_net (net/core/net_namespace.c:446)
[   19.776000][  T588]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.776180][  T588]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.776358][  T588]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.776546][  T588]  copy_net_ns (net/core/net_namespace.c:579)
[   19.776726][  T588]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.776921][  T588]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.777101][  T588]  ksys_unshare (kernel/fork.c:3243)
[   19.777282][  T588]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.777468][  T588]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.777647][  T588]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.777840][  T588]  ? __ia32_sys_open (fs/open.c:1374)
[   19.778022][  T588]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.778201][  T588]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.778380][  T588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.778567][  T588]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.778750][  T588]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.778940][  T588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.779150][  T588] RIP: 0033:0x7f3592e08bcb
[   19.779334][  T588] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.779866][  T588] RSP: 002b:00007ffd02d4c558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.780109][  T588] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3592e08bcb
[   19.780351][  T588] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.780600][  T588] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.780855][  T588] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd02d4e780
[   19.781101][  T588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd02d5088c
| [   19.792208][  T588] ------------[ cut here ]------------
| [   19.792393][  T588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/588
| [   19.792685][  T588] Modules linked in: vxlan
| [   19.793193][  T588] Tainted: [W]=WARN
[   19.793340][  T588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.793559][  T588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.793779][  T588] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.794315][  T588] RSP: 0018:ffa0000001387a68 EFLAGS: 00010286
[   19.794537][  T588] RAX: 00000000ffffffa6 RBX: ff1100000da6ec80 RCX: 1ff4000000270f13
[   19.794783][  T588] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6ed3c
[   19.795038][  T588] RBP: ff110000083e1000 R08: 1fe2200001b4dda9 R09: ff11000011832e80
[   19.795280][  T588] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.795531][  T588] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000083e1000
[   19.795780][  T588] FS:  00007f3592b46840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   19.796069][  T588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.796282][  T588] CR2: 00007f3592ebf493 CR3: 00000000050ed006 CR4: 0000000000771ef0
[   19.796537][  T588] PKRU: 55555554
[   19.796682][  T588] Call Trace:
[   19.796841][  T588]  <TASK>
[   19.796960][  T588]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.797140][  T588]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.797320][  T588]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.797477][  T588]  register_netdevice (net/core/dev.c:11488)
[   19.797658][  T588]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.797885][  T588]  register_netdev (net/core/dev.c:11552)
[   19.798063][  T588]  sit_init_net (net/ipv6/sit.c:1860)
[   19.798246][  T588]  ops_init (net/core/net_namespace.c:137)
[   19.798393][  T588]  setup_net (net/core/net_namespace.c:446)
[   19.798544][  T588]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.798722][  T588]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.798916][  T588]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.799097][  T588]  copy_net_ns (net/core/net_namespace.c:579)
[   19.799278][  T588]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.799471][  T588]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.799650][  T588]  ksys_unshare (kernel/fork.c:3243)
[   19.799843][  T588]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.800021][  T588]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.800200][  T588]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.800379][  T588]  ? __ia32_sys_open (fs/open.c:1374)
[   19.800569][  T588]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.800750][  T588]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.800938][  T588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.801115][  T588]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.801292][  T588]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.801477][  T588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.801688][  T588] RIP: 0033:0x7f3592e08bcb
[   19.801885][  T588] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.802395][  T588] RSP: 002b:00007ffd02d4c558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.802648][  T588] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3592e08bcb
[   19.802902][  T588] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.803146][  T588] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.803389][  T588] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd02d4e780
[   19.803637][  T588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd02d5088c
| [   19.809112][  T588] ------------[ cut here ]------------
| [   19.809293][  T588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/588
| [   19.809580][  T588] Modules linked in: vxlan
| [   19.810097][  T588] Tainted: [W]=WARN
[   19.810245][  T588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.810456][  T588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.810684][  T588] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.811213][  T588] RSP: 0018:ffa0000001387a78 EFLAGS: 00010286
[   19.811428][  T588] RAX: 00000000ffffffa6 RBX: ff1100000c404900 RCX: 1ff4000000270f15
[   19.811672][  T588] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4049bc
[   19.811924][  T588] RBP: ff1100000876c000 R08: 1fe2200001880939 R09: ff11000011832e80
[   19.812168][  T588] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.812412][  T588] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000876c000
[   19.812665][  T588] FS:  00007f3592b46840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   19.812955][  T588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.813168][  T588] CR2: 00007f3592ebf493 CR3: 00000000050ed006 CR4: 0000000000771ef0
[   19.813417][  T588] PKRU: 55555554
[   19.813570][  T588] Call Trace:
[   19.813717][  T588]  <TASK>
[   19.813846][  T588]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.814025][  T588]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.814204][  T588]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.814353][  T588]  register_netdevice (net/core/dev.c:11488)
[   19.814545][  T588]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.814756][  T588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.814952][  T588]  register_netdev (net/core/dev.c:11552)
[   19.815131][  T588]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   19.815312][  T588]  ops_init (net/core/net_namespace.c:137)
[   19.815469][  T588]  setup_net (net/core/net_namespace.c:446)
[   19.815617][  T588]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.815798][  T588]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.815990][  T588]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.816172][  T588]  copy_net_ns (net/core/net_namespace.c:579)
[   19.816351][  T588]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.816540][  T588]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.816719][  T588]  ksys_unshare (kernel/fork.c:3243)
[   19.816906][  T588]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.817090][  T588]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.817270][  T588]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.817450][  T588]  ? __ia32_sys_open (fs/open.c:1374)
[   19.817639][  T588]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.817817][  T588]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.818010][  T588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.818188][  T588]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.818368][  T588]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.818558][  T588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.818769][  T588] RIP: 0033:0x7f3592e08bcb
[   19.818969][  T588] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.819480][  T588] RSP: 002b:00007ffd02d4c558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.819731][  T588] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3592e08bcb
[   19.819986][  T588] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.820229][  T588] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.820479][  T588] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd02d4e780
[   19.820727][  T588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd02d5088c
| [   19.846641][  T589] ------------[ cut here ]------------
| [   19.846791][  T589] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/589
| [   19.847030][  T589] Modules linked in: vxlan
| [   19.847435][  T589] Tainted: [W]=WARN
[   19.847539][  T589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.847702][  T589] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.847882][  T589] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.848353][  T589] RSP: 0018:ffa0000001407020 EFLAGS: 00010286
[   19.848528][  T589] RAX: 00000000ffffffa6 RBX: ff1100000ff5d700 RCX: 1ff4000000280dca
[   19.848726][  T589] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff5d7bc
[   19.848931][  T589] RBP: ff1100000f6e9000 R08: 1fe2200001febaf9 R09: ff11000011835158
[   19.849126][  T589] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   19.849321][  T589] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   19.849523][  T589] FS:  00007fc105c0c840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   19.849756][  T589] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.849926][  T589] CR2: 000000002c6ce988 CR3: 000000000999e004 CR4: 0000000000771ef0
[   19.850125][  T589] PKRU: 55555554
[   19.850223][  T589] Call Trace:
[   19.850321][  T589]  <TASK>
[   19.850390][  T589]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.850528][  T589]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.850628][  T589]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   19.850761][  T589]  __dev_notify_flags (net/core/dev.c:9787)
[   19.850901][  T589]  ? netif_change_name (net/core/dev.c:1495)
[   19.851033][  T589]  ? __dev_change_flags (net/core/dev.c:9752)
[   19.851165][  T589]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.851296][  T589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.851429][  T589]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   19.851569][  T589]  netif_change_flags (net/core/dev.c:9820)
[   19.851702][  T589]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.851841][  T589]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   19.851976][  T589]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   19.852110][  T589]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   19.852275][  T589]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.852406][  T589]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.852542][  T589]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.852673][  T589]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.852807][  T589]  ? __kernel_text_address (kernel/extable.c:79)
[   19.853379][  T589]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.853521][  T589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.853652][  T589]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.853784][  T589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.853923][  T589]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.854054][  T589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.854183][  T589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.854316][  T589]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   19.854447][  T589]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   19.854583][  T589]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   19.854715][  T589]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   19.854856][  T589]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   19.854993][  T589]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   19.855127][  T589]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.855262][  T589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.855392][  T589]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.855529][  T589]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.855660][  T589]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.855789][  T589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.855929][  T589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.856061][  T589]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.856192][  T589]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.856322][  T589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.856454][  T589]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.856591][  T589]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.856722][  T589]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.856859][  T589]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.856992][  T589]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.857124][  T589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.857253][  T589]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.857385][  T589]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.857521][  T589]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.857653][  T589]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.857788][  T589]  ? 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))
[   19.857925][  T589]  ? 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))
[   19.858061][  T589]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.858195][  T589]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.858325][  T589]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.858458][  T589]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.858596][  T589]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.858731][  T589]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.858869][  T589]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.859002][  T589]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.859135][  T589]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.859298][  T589]  ? move_addr_to_kernel (net/socket.c:258)
[   19.859431][  T589]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.859569][  T589]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.859702][  T589]  ___sys_sendmsg (net/socket.c:2752)
[   19.859836][  T589]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   19.860003][  T589]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.860147][  T589]  __sys_sendmsg (net/socket.c:2784)
[   19.860280][  T589]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.860413][  T589]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   19.860582][  T589]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.860713][  T589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.860850][  T589]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.860981][  T589]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.861115][  T589]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.861247][  T589]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.861408][  T589] RIP: 0033:0x7fc105e4608e
[   19.861549][  T589] 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
[   19.862021][  T589] RSP: 002b:00007ffff9de5fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.862220][  T589] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc105e4608e
[   19.862418][  T589] RDX: 0000000000000000 RSI: 00007ffff9de6070 RDI: 0000000000000005
[   19.862622][  T589] RBP: 00007ffff9de5fd0 R08: 0000000000000000 R09: 0000000000000000
[   19.862819][  T589] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b3
[   19.863023][  T589] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff9de6740
| [   19.982370][  T592] ------------[ cut here ]------------
| [   19.982555][  T592] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/592
| [   19.982812][  T592] Modules linked in: vxlan
| [   19.983272][  T592] Tainted: [W]=WARN
[   19.983380][  T592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.983564][  T592] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.983747][  T592] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.984255][  T592] RSP: 0018:ffa0000001426fd0 EFLAGS: 00010286
[   19.984435][  T592] RAX: 00000000ffffffa6 RBX: ff1100000d0fb380 RCX: 1ff4000000284dc0
[   19.984648][  T592] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fb43c
[   19.984866][  T592] RBP: ff1100000fbd2000 R08: 1fe2200001a1f689 R09: ff1100000aab2e80
[   19.985081][  T592] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.985290][  T592] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbd2e44
[   19.985507][  T592] FS:  00007f41c0cfc840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   19.985754][  T592] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.985937][  T592] CR2: 00007f3592f3bc70 CR3: 000000000f5d4004 CR4: 0000000000771ef0
[   19.986151][  T592] PKRU: 55555554
[   19.986258][  T592] Call Trace:
[   19.986365][  T592]  <TASK>
[   19.986439][  T592]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.986587][  T592]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   19.986734][  T592]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.986848][  T592]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   19.986994][  T592]  __dev_notify_flags (net/core/dev.c:9787)
[   19.987137][  T592]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.987278][  T592]  ? netif_change_name (net/core/dev.c:1495)
[   19.987421][  T592]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   19.987571][  T592]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   19.987715][  T592] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   19.987867][  T592]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   19.988015][  T592] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   19.988158][  T592]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   19.988305][  T592]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   19.988445][  T592]  ? nla_strscpy (lib/nlattr.c:795)
[   19.988592][  T592]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   19.988736][  T592]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   19.988906][  T592]  ? __dev_get_by_name (net/core/dev.c:883)
[   19.989048][  T592]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   19.989194][  T592]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   19.989338][  T592]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   19.989483][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.989625][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.989767][  T592]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.989916][  T592]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   19.990056][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.990202][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.990345][  T592]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   19.990491][  T592]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   19.990631][  T592]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   19.990773][  T592]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.990919][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.991061][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.991203][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   19.991345][  T592]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   19.991491][  T592]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.991631][  T592]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.991774][  T592]  ? 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))
[   19.991920][  T592]  ? 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))
[   19.992061][  T592]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.992202][  T592]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.992345][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   19.992490][  T592]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   19.992631][  T592]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   19.992772][  T592]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   19.992921][  T592]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   19.993065][  T592]  ? copy_msghdr_from_user (net/socket.c:2635)
[   19.993204][  T592]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   19.993381][  T592]  ? move_addr_to_kernel (net/socket.c:258)
[   19.993531][  T592]  ___sys_sendmsg (net/socket.c:2752)
[   19.993670][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.993810][  T592]  ? copy_msghdr_from_user (net/socket.c:2603)
[   19.993965][  T592]  ? 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))
[   19.994108][  T592]  __sys_sendmsg (net/socket.c:2784)
[   19.994250][  T592]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   19.994397][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.994543][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.994686][  T592]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.994833][  T592]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.994975][  T592]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.995116][  T592]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.995289][  T592] RIP: 0033:0x7f41c0f3608e
[   19.995437][  T592] 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
[   19.995951][  T592] RSP: 002b:00007ffd7544a3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.996165][  T592] RAX: ffffffffffffffda RBX: 00007ffd7544ab80 RCX: 00007f41c0f3608e
[   19.996378][  T592] RDX: 0000000000000000 RSI: 00007ffd7544a480 RDI: 0000000000000005
[   19.996594][  T592] RBP: 00007ffd7544a3e0 R08: 0000000000000000 R09: 0000000000000000
[   19.996804][  T592] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b3
[   19.997021][  T592] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7544ab50
| [   20.026700][  T593] ------------[ cut here ]------------
| [   20.026905][  T593] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/593
| [   20.027196][  T593] Modules linked in: vxlan
| [   20.027728][  T593] Tainted: [W]=WARN
[   20.027901][  T593] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.028123][  T593] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.028353][  T593] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.028910][  T593] RSP: 0018:ffa0000001436fd0 EFLAGS: 00010286
[   20.029135][  T593] RAX: 00000000ffffffa6 RBX: ff1100000da6e580 RCX: 1ff4000000286dc0
[   20.029390][  T593] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6e63c
[   20.029654][  T593] RBP: ff1100000f362000 R08: 1fe2200001b4dcc9 R09: ff110000096ed180
[   20.029923][  T593] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.030181][  T593] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f362e44
[   20.030438][  T593] FS:  00007f9b39e46840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   20.030737][  T593] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.030972][  T593] CR2: 00007f9b3a03f460 CR3: 000000000e6ef006 CR4: 0000000000771ef0
[   20.031232][  T593] PKRU: 55555554
[   20.031385][  T593] Call Trace:
[   20.031545][  T593]  <TASK>
[   20.031665][  T593]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.031867][  T593]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   20.032059][  T593]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.032212][  T593]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   20.032401][  T593]  __dev_notify_flags (net/core/dev.c:9787)
[   20.032597][  T593]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.032794][  T593]  ? netif_change_name (net/core/dev.c:1495)
[   20.032996][  T593]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   20.033190][  T593]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.033380][  T593] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   20.033581][  T593]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   20.033774][  T593] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   20.033984][  T593]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   20.034177][  T593]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   20.034367][  T593]  ? nla_strscpy (lib/nlattr.c:795)
[   20.034566][  T593]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   20.034759][  T593]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.034960][  T593]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.035150][  T593]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.035348][  T593]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.035549][  T593]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.035740][  T593]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.035939][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.036129][  T593]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.036315][  T593]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.036510][  T593]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.036704][  T593]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.036908][  T593]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.037098][  T593]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.037289][  T593]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.037485][  T593]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.037672][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.037874][  T593]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.038061][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.038251][  T593]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.038440][  T593]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.038636][  T593]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.038840][  T593]  ? 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))
[   20.039029][  T593]  ? 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))
[   20.039219][  T593]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.039409][  T593]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.039605][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.039798][  T593]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.040004][  T593]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.040193][  T593]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.040385][  T593]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.040580][  T593]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.040768][  T593]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.041000][  T593]  ? move_addr_to_kernel (net/socket.c:258)
[   20.041196][  T593]  ___sys_sendmsg (net/socket.c:2752)
[   20.041381][  T593]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.041577][  T593]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.041775][  T593]  ? 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))
[   20.041977][  T593]  __sys_sendmsg (net/socket.c:2784)
[   20.042167][  T593]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.042358][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.042557][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.042753][  T593]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.042955][  T593]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.043143][  T593]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.043334][  T593]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.043565][  T593] RIP: 0033:0x7f9b3a08008e
[   20.043759][  T593] 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
[   20.044320][  T593] RSP: 002b:00007ffc477f2c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.044585][  T593] RAX: ffffffffffffffda RBX: 00007ffc477f33c0 RCX: 00007f9b3a08008e
[   20.044857][  T593] RDX: 0000000000000000 RSI: 00007ffc477f2cc0 RDI: 0000000000000005
[   20.045117][  T593] RBP: 00007ffc477f2c20 R08: 0000000000000000 R09: 0000000000000000
[   20.045375][  T593] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b3
[   20.045641][  T593] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc477f3390
| [   20.079673][  T594] ------------[ cut here ]------------
| [   20.079836][  T594] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/594
| [   20.080077][  T594] Modules linked in: vxlan
| [   20.080502][  T594] Tainted: [W]=WARN
[   20.080604][  T594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.080772][  T594] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.080954][  T594] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.081434][  T594] RSP: 0018:ffa00000014471b0 EFLAGS: 00010286
[   20.081608][  T594] RAX: 00000000ffffffa6 RBX: ff1100000947b000 RCX: 1ff4000000288dfc
[   20.081811][  T594] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947b0bc
[   20.082017][  T594] RBP: ff1100000f41a000 R08: 1fe220000128f619 R09: ff110000021ed180
[   20.082219][  T594] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.082420][  T594] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   20.082627][  T594] FS:  00007f7d021d8840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   20.082868][  T594] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.083039][  T594] CR2: 00007f7d0254d040 CR3: 000000000f442004 CR4: 0000000000771ef0
[   20.083242][  T594] PKRU: 55555554
[   20.083343][  T594] Call Trace:
[   20.083443][  T594]  <TASK>
[   20.083517][  T594]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.083655][  T594]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.083758][  T594]  __dev_notify_flags (net/core/dev.c:9787)
[   20.083899][  T594]  ? netif_change_name (net/core/dev.c:1495)
[   20.084037][  T594]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.084203][  T594]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.084338][  T594]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.084479][  T594]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   20.084621][  T594]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   20.084757][  T594]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.084896][  T594]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.085029][  T594]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.085170][  T594]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.085309][  T594]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.085445][  T594]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.085587][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.085722][  T594]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.085861][  T594]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.085996][  T594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.086134][  T594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.086269][  T594]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.086403][  T594]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.086542][  T594]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.086675][  T594]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.086809][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.086953][  T594]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.087086][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.087222][  T594]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.087358][  T594]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.087499][  T594]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.087637][  T594]  ? 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))
[   20.087772][  T594]  ? 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))
[   20.087914][  T594]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.088049][  T594]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.088185][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.088319][  T594]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.088456][  T594]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.088597][  T594]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.088734][  T594]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.088875][  T594]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.089010][  T594]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.089178][  T594]  ? move_addr_to_kernel (net/socket.c:258)
[   20.089317][  T594]  ___sys_sendmsg (net/socket.c:2752)
[   20.089453][  T594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.089593][  T594]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.089738][  T594]  ? 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))
[   20.089882][  T594]  __sys_sendmsg (net/socket.c:2784)
[   20.090017][  T594]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.090157][  T594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.090292][  T594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.090429][  T594]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.090569][  T594]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.090706][  T594]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.090847][  T594]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.091015][  T594] RIP: 0033:0x7f7d0241208e
[   20.091157][  T594] 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
[   20.091640][  T594] RSP: 002b:00007ffd65473fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.091850][  T594] RAX: ffffffffffffffda RBX: 00007ffd65474768 RCX: 00007f7d0241208e
[   20.092051][  T594] RDX: 0000000000000000 RSI: 00007ffd65474070 RDI: 0000000000000005
[   20.092253][  T594] RBP: 00007ffd65473fd0 R08: 0000000000000000 R09: 0000000000000000
[   20.092455][  T594] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b3
[   20.092658][  T594] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd65474740
| [   20.130502][  T595] ------------[ cut here ]------------
| [   20.130657][  T595] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/595
| [   20.130897][  T595] Modules linked in: vxlan
| [   20.131308][  T595] Tainted: [W]=WARN
[   20.131411][  T595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.131583][  T595] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.131756][  T595] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.132236][  T595] RSP: 0018:ffa00000014571b0 EFLAGS: 00010286
[   20.132405][  T595] RAX: 00000000ffffffa6 RBX: ff1100000e69f540 RCX: 1ff400000028adfc
[   20.132610][  T595] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e69f5fc
[   20.132808][  T595] RBP: ff1100000598a000 R08: 1fe2200001cd3ec1 R09: ff1100000f6f2e80
[   20.133014][  T595] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.133218][  T595] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   20.133422][  T595] FS:  00007f62cfb32840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   20.133665][  T595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.133836][  T595] CR2: 00007f62cfd2b460 CR3: 0000000011c9b006 CR4: 0000000000771ef0
[   20.134038][  T595] PKRU: 55555554
[   20.134139][  T595] Call Trace:
[   20.134239][  T595]  <TASK>
[   20.134308][  T595]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.134444][  T595]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.134551][  T595]  __dev_notify_flags (net/core/dev.c:9787)
[   20.134686][  T595]  ? netif_change_name (net/core/dev.c:1495)
[   20.134828][  T595]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.134993][  T595]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.135129][  T595]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.135263][  T595]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   20.135400][  T595]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   20.135541][  T595]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.135673][  T595]  ? __dev_get_by_name (net/core/dev.c:883)
[   20.135804][  T595]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   20.135949][  T595]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.136085][  T595]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.136220][  T595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.136353][  T595]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.136493][  T595]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.136624][  T595]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.136756][  T595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.136898][  T595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.137032][  T595]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.137166][  T595]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.137300][  T595]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.137432][  T595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.137573][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.137709][  T595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.137849][  T595]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.137984][  T595]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.138117][  T595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.138252][  T595]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.138388][  T595]  ? 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))
[   20.138525][  T595]  ? 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))
[   20.138662][  T595]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.138797][  T595]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.138935][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.139069][  T595]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.139203][  T595]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.139336][  T595]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.139477][  T595]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.139612][  T595]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.139747][  T595]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.139919][  T595]  ? move_addr_to_kernel (net/socket.c:258)
[   20.140057][  T595]  ___sys_sendmsg (net/socket.c:2752)
[   20.140190][  T595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.140325][  T595]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.140475][  T595]  ? 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))
[   20.140616][  T595]  __sys_sendmsg (net/socket.c:2784)
[   20.140751][  T595]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.140893][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.141029][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.141163][  T595]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.141297][  T595]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.141431][  T595]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.141570][  T595]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.141738][  T595] RIP: 0033:0x7f62cfd6c08e
[   20.141887][  T595] 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
[   20.142360][  T595] RSP: 002b:00007ffe95b416e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.142569][  T595] RAX: ffffffffffffffda RBX: 00007ffe95b41e88 RCX: 00007f62cfd6c08e
[   20.142767][  T595] RDX: 0000000000000000 RSI: 00007ffe95b41790 RDI: 0000000000000005
[   20.142969][  T595] RBP: 00007ffe95b416f0 R08: 0000000000000000 R09: 0000000000000000
[   20.143169][  T595] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b3
[   20.143370][  T595] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe95b41e60
| [   20.641218][  T624] ------------[ cut here ]------------
| [   20.641374][  T624] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/624
| [   20.641602][  T624] Modules linked in: vxlan
| [   20.642000][  T624] Tainted: [W]=WARN
[   20.642096][  T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.642253][  T624] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.642419][  T624] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.642869][  T624] RSP: 0018:ffa0000001517190 EFLAGS: 00010286
[   20.643030][  T624] RAX: 00000000ffffffa6 RBX: ff11000009c4de00 RCX: 1ff40000002a2df8
[   20.643217][  T624] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4debc
[   20.643403][  T624] RBP: ff1100000598a000 R08: 1fe2200001389bd9 R09: ff11000004c78b58
[   20.643597][  T624] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.643783][  T624] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.643976][  T624] FS:  00007fc7288a1840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   20.644198][  T624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.644356][  T624] CR2: 00007fc728b711a0 CR3: 000000000b71a005 CR4: 0000000000771ef0
[   20.644550][  T624] PKRU: 55555554
[   20.644645][  T624] Call Trace:
[   20.644739][  T624]  <TASK>
[   20.644804][  T624]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.644970][  T624]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.645125][  T624]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.645250][  T624]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.645375][  T624]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.645537][  T624]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.645661][  T624]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.645783][  T624]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.645912][  T624]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.646035][  T624]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.646158][  T624]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.646303][  T624]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.646427][  T624]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.646559][  T624]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.646682][  T624]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.646804][  T624]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.646934][  T624]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   20.647060][  T624]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.647183][  T624]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.647308][  T624]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.647432][  T624]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.647564][  T624]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.647687][  T624]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.647811][  T624]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.647944][  T624]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.648068][  T624]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.648195][  T624]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.648318][  T624]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.648443][  T624]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.648570][  T624]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.648694][  T624]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.648828][  T624]  ? 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))
[   20.648953][  T624]  ? 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))
[   20.649080][  T624]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.649205][  T624]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.649329][  T624]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.649454][  T624]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.649585][  T624]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.649713][  T624]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.649846][  T624]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.649971][  T624]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.650094][  T624]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.650248][  T624]  ? move_addr_to_kernel (net/socket.c:258)
[   20.650373][  T624]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.650503][  T624]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.650628][  T624]  ___sys_sendmsg (net/socket.c:2752)
[   20.650754][  T624]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.650914][  T624]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.651050][  T624]  __sys_sendmsg (net/socket.c:2784)
[   20.651266][  T624]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.651390][  T624]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.651551][  T624]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.651677][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.651887][  T624]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.652013][  T624]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.652138][  T624]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.652265][  T624]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.652502][  T624] RIP: 0033:0x7fc728adb08e
[   20.652635][  T624] 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
[   20.653164][  T624] RSP: 002b:00007ffc9df324b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.653355][  T624] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc728adb08e
[   20.653625][  T624] RDX: 0000000000000000 RSI: 00007ffc9df32560 RDI: 0000000000000005
[   20.653812][  T624] RBP: 00007ffc9df324c0 R08: 0000000000000000 R09: 0000000000000000
[   20.654005][  T624] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b3
[   20.654271][  T624] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9df32c30
| [   20.701678][  T625] ------------[ cut here ]------------
| [   20.701837][  T625] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/625
| [   20.702060][  T625] Modules linked in: vxlan
| [   20.702445][  T625] Tainted: [W]=WARN
[   20.702543][  T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.702698][  T625] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.702868][  T625] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.703315][  T625] RSP: 0018:ffa0000001527190 EFLAGS: 00010286
[   20.703476][  T625] RAX: 00000000ffffffa6 RBX: ff1100000c936ac0 RCX: 1ff40000002a4df8
[   20.703664][  T625] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c936b7c
[   20.703855][  T625] RBP: ff1100000f41a000 R08: 1fe2200001926d71 R09: ff11000004c7ae58
[   20.704039][  T625] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.704223][  T625] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.704412][  T625] FS:  00007f1000be8840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   20.704634][  T625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.704792][  T625] CR2: 000000000d272988 CR3: 000000000e73b001 CR4: 0000000000771ef0
[   20.704993][  T625] PKRU: 55555554
[   20.705086][  T625] Call Trace:
[   20.705182][  T625]  <TASK>
[   20.705247][  T625]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.705407][  T625]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.705568][  T625]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.705696][  T625]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.705825][  T625]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.705985][  T625]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.706110][  T625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.706234][  T625]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.706358][  T625]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.706487][  T625]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.706613][  T625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.706757][  T625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.706963][  T625]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.707169][  T625]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.707293][  T625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.707416][  T625]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.707549][  T625]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   20.707675][  T625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.707797][  T625]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.707993][  T625]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.708118][  T625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.708241][  T625]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.708367][  T625]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.708497][  T625]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.708621][  T625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.708746][  T625]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.708953][  T625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.709076][  T625]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.709203][  T625]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.709326][  T625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.709449][  T625]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.709582][  T625]  ? 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))
[   20.709704][  T625]  ? 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))
[   20.709880][  T625]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.710005][  T625]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.710130][  T625]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.710254][  T625]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.710379][  T625]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.710510][  T625]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.710635][  T625]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.710760][  T625]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.710934][  T625]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.711087][  T625]  ? move_addr_to_kernel (net/socket.c:258)
[   20.711213][  T625]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.711338][  T625]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.711467][  T625]  ___sys_sendmsg (net/socket.c:2752)
[   20.711591][  T625]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.711744][  T625]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.711931][  T625]  __sys_sendmsg (net/socket.c:2784)
[   20.712054][  T625]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.712178][  T625]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.712332][  T625]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.712455][  T625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.712586][  T625]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.712709][  T625]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.712880][  T625]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.713004][  T625]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.713157][  T625] RIP: 0033:0x7f1000e2208e
[   20.713286][  T625] 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
[   20.713728][  T625] RSP: 002b:00007fff5f341a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.713954][  T625] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1000e2208e
[   20.714142][  T625] RDX: 0000000000000000 RSI: 00007fff5f341b30 RDI: 0000000000000005
[   20.714327][  T625] RBP: 00007fff5f341a90 R08: 0000000000000000 R09: 0000000000000000
[   20.714516][  T625] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b3
[   20.714701][  T625] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5f342200
| [   20.755611][  T626] ------------[ cut here ]------------
| [   20.755755][  T626] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/626
| [   20.755982][  T626] Modules linked in: vxlan
| [   20.756368][  T626] Tainted: [W]=WARN
[   20.756469][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.756628][  T626] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.756791][  T626] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.757238][  T626] RSP: 0018:ffa0000001567190 EFLAGS: 00010286
[   20.757396][  T626] RAX: 00000000ffffffa6 RBX: ff1100000290c740 RCX: 1ff40000002acdf8
[   20.757589][  T626] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290c7fc
[   20.757774][  T626] RBP: ff1100000f362000 R08: 1fe2200000521901 R09: ff11000004c7d158
[   20.757964][  T626] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.758151][  T626] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.758336][  T626] FS:  00007fc6a20df840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   20.758559][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.758715][  T626] CR2: 000000000cde1988 CR3: 000000000e797002 CR4: 0000000000771ef0
[   20.758911][  T626] PKRU: 55555554
[   20.759005][  T626] Call Trace:
[   20.759098][  T626]  <TASK>
[   20.759162][  T626]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.759326][  T626]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.759486][  T626]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.759614][  T626]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.759739][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.759866][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.759992][  T626]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.760117][  T626]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.760241][  T626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.760383][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.760510][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.760634][  T626]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.760758][  T626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.760893][  T626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.761018][  T626]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   20.761145][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.761268][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.761392][  T626]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.761525][  T626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.761649][  T626]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.761776][  T626]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.761908][  T626]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.762031][  T626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.762155][  T626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.762280][  T626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.762404][  T626]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.762539][  T626]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.762663][  T626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.762788][  T626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.762921][  T626]  ? 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))
[   20.763044][  T626]  ? 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))
[   20.763169][  T626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.763294][  T626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.763418][  T626]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.763548][  T626]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.763674][  T626]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.763799][  T626]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.763928][  T626]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.764056][  T626]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.764178][  T626]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.764329][  T626]  ? move_addr_to_kernel (net/socket.c:258)
[   20.764457][  T626]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.764594][  T626]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.764725][  T626]  ___sys_sendmsg (net/socket.c:2752)
[   20.764853][  T626]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.765006][  T626]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.765140][  T626]  __sys_sendmsg (net/socket.c:2784)
[   20.765265][  T626]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.765388][  T626]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.765549][  T626]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.765673][  T626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.765804][  T626]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.765934][  T626]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.766059][  T626]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.766183][  T626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.766336][  T626] RIP: 0033:0x7fc6a231908e
[   20.766471][  T626] 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
[   20.766918][  T626] RSP: 002b:00007ffc50a1e2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.767104][  T626] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc6a231908e
[   20.767289][  T626] RDX: 0000000000000000 RSI: 00007ffc50a1e3a0 RDI: 0000000000000005
[   20.767480][  T626] RBP: 00007ffc50a1e300 R08: 0000000000000000 R09: 0000000000000000
[   20.767665][  T626] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b3
[   20.767854][  T626] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc50a1ea70
| [   20.817570][  T627] ------------[ cut here ]------------
| [   20.817713][  T627] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/627
| [   20.817943][  T627] Modules linked in: vxlan
| [   20.818329][  T627] Tainted: [W]=WARN
[   20.818425][  T627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.818586][  T627] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.818747][  T627] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.819210][  T627] RSP: 0018:ffa0000001577190 EFLAGS: 00010286
[   20.819368][  T627] RAX: 00000000ffffffa6 RBX: ff1100000fefa3c0 RCX: 1ff40000002aedf8
[   20.819559][  T627] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa47c
[   20.819739][  T627] RBP: ff1100000fbd2000 R08: 1fe2200001fdf491 R09: ff1100000f9a8b58
[   20.819926][  T627] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.820108][  T627] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.820295][  T627] FS:  00007f310c1f2840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   20.820514][  T627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.820668][  T627] CR2: 00007f310c4c21a0 CR3: 000000000b71a004 CR4: 0000000000771ef0
[   20.820859][  T627] PKRU: 55555554
[   20.820952][  T627] Call Trace:
[   20.821044][  T627]  <TASK>
[   20.821107][  T627]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.821269][  T627]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.821430][  T627]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.821559][  T627]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   20.821684][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.821805][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.821990][  T627]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.822114][  T627]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.822238][  T627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.822377][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.822503][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.822627][  T627]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.822749][  T627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.822906][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.823030][  T627]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   20.823157][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.823279][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.823403][  T627]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.823535][  T627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.823659][  T627]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   20.823782][  T627]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.823917][  T627]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.824042][  T627]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.824165][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.824291][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.824413][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.824540][  T627]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.824666][  T627]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.824789][  T627]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.824921][  T627]  ? 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))
[   20.825044][  T627]  ? 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))
[   20.825173][  T627]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.825297][  T627]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.825421][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.825551][  T627]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.825675][  T627]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.825801][  T627]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.825932][  T627]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.826056][  T627]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.826179][  T627]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.826332][  T627]  ? move_addr_to_kernel (net/socket.c:258)
[   20.826457][  T627]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.826587][  T627]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.826710][  T627]  ___sys_sendmsg (net/socket.c:2752)
[   20.826835][  T627]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.826991][  T627]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.827125][  T627]  __sys_sendmsg (net/socket.c:2784)
[   20.827248][  T627]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.827370][  T627]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.827529][  T627]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.827652][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.827777][  T627]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.827910][  T627]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.828036][  T627]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.828157][  T627]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.828311][  T627] RIP: 0033:0x7f310c42c08e
[   20.828441][  T627] 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
[   20.828894][  T627] RSP: 002b:00007fffb90517c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.829081][  T627] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f310c42c08e
[   20.829267][  T627] RDX: 0000000000000000 RSI: 00007fffb9051870 RDI: 0000000000000005
[   20.829453][  T627] RBP: 00007fffb90517d0 R08: 0000000000000000 R09: 0000000000000000
[   20.829643][  T627] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b4
[   20.829832][  T627] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb9051f40
| [   20.908363][   T68] ------------[ cut here ]------------
| [   20.908509][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   20.908752][   T68] Modules linked in: vxlan
| [   20.909163][   T68] Tainted: [W]=WARN
[   20.909253][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.909404][   T68] Workqueue: netns cleanup_net
[   20.909540][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.909697][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.910129][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   20.910282][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefa740 RCX: 1ff4000000092eed
[   20.910461][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa7fc
[   20.910642][   T68] RBP: ff1100000876c000 R08: 1fe2200001fdf501 R09: ff1100000915aed0
[   20.910828][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.911009][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.911188][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   20.911394][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.911551][   T68] CR2: 00007f8d40d2a000 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   20.911728][   T68] PKRU: 55555554
[   20.911817][   T68] Call Trace:
[   20.911919][   T68]  <TASK>
[   20.911985][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.912143][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.912301][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.912422][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.912550][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.912669][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.912789][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.912916][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.913036][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   20.913153][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.913275][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   20.913396][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.913521][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.913642][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.913758][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.913886][   T68]  process_one_work (kernel/workqueue.c:3314)
[   20.914009][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.914128][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.914249][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.914368][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.914491][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   20.914611][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.914737][   T68]  kthread (kernel/kthread.c:436)
[   20.914833][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.914980][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.915098][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.915218][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.915365][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.915498][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.915616][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.917828][   T68] ------------[ cut here ]------------
| [   20.917948][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   20.918183][   T68] Modules linked in: vxlan
| [   20.918576][   T68] Tainted: [W]=WARN
[   20.918665][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.918815][   T68] Workqueue: netns cleanup_net
[   20.918944][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.919097][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.919525][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   20.919673][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefae40 RCX: 1ff4000000092eed
[   20.919853][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefaefc
[   20.920027][   T68] RBP: ff110000083e1000 R08: 1fe2200001fdf5e1 R09: ff1100000915aed0
[   20.920201][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.920376][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.920569][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   20.920773][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.920923][   T68] CR2: 00007f8d40d2a000 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   20.921101][   T68] PKRU: 55555554
[   20.921189][   T68] Call Trace:
[   20.921280][   T68]  <TASK>
[   20.921342][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.921502][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.921653][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.921774][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.921897][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.922016][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.922135][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.922258][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.922377][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   20.922499][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.922619][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   20.922737][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.922862][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.922981][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.923099][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.923219][   T68]  process_one_work (kernel/workqueue.c:3314)
[   20.923340][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.923458][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.923584][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.923703][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.923826][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   20.923947][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.924064][   T68]  kthread (kernel/kthread.c:436)
[   20.924156][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.924302][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.924423][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.924552][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.924698][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.924816][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.924941][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.927105][   T68] ------------[ cut here ]------------
| [   20.927225][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   20.927463][   T68] Modules linked in: vxlan
| [   20.927901][   T68] Tainted: [W]=WARN
[   20.927991][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.928143][   T68] Workqueue: netns cleanup_net
[   20.928269][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.928424][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.928881][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   20.929028][   T68] RAX: 00000000ffffffa6 RBX: ff1100000dbf9a80 RCX: 1ff4000000092eed
[   20.929206][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf9b3c
[   20.929381][   T68] RBP: ff11000009239000 R08: 1fe2200001b7f369 R09: ff1100000915aed0
[   20.929565][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.929739][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.929926][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   20.930132][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.930279][   T68] CR2: 00007f8d40d2a000 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   20.930457][   T68] PKRU: 55555554
[   20.930551][   T68] Call Trace:
[   20.930642][   T68]  <TASK>
[   20.930703][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.930861][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.931010][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.931130][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.931251][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.931368][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.931493][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.931618][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.931738][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   20.931863][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.931984][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   20.932104][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.932220][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.932344][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.932463][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.932589][   T68]  process_one_work (kernel/workqueue.c:3314)
[   20.932716][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.932838][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.932962][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.933094][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.933212][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   20.933335][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.933458][   T68]  kthread (kernel/kthread.c:436)
[   20.933559][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.933707][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.933833][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.933953][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.934103][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.934224][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.934343][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.936319][   T68] ------------[ cut here ]------------
| [   20.936436][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   20.936675][   T68] Modules linked in: vxlan
| [   20.937068][   T68] Tainted: [W]=WARN
[   20.937157][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.937307][   T68] Workqueue: netns cleanup_net
[   20.937430][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.937589][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.938011][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   20.938160][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a233c40 RCX: 1ff4000000092eed
[   20.938335][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a233cfc
[   20.938516][   T68] RBP: ff1100000c274000 R08: 1fe22000014467a1 R09: ff1100000915aed0
[   20.938690][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.938871][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.939049][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   20.939331][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.939488][   T68] CR2: 00007f8d40d2a000 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   20.939666][   T68] PKRU: 55555554
[   20.939830][   T68] Call Trace:
[   20.939920][   T68]  <TASK>
[   20.939981][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.940130][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.940347][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.940470][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.940592][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.940708][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.940903][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.941023][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.941142][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   20.941259][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.941450][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   20.941573][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.941689][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.941808][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.942004][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.942123][   T68]  process_one_work (kernel/workqueue.c:3314)
[   20.942243][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.942359][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.942560][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.942678][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.942796][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   20.942920][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.943110][   T68]  kthread (kernel/kthread.c:436)
[   20.943198][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.943350][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.943471][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.943664][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.943808][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.943932][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.944052][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.946556][   T68] ------------[ cut here ]------------
| [   20.946678][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   20.946924][   T68] Modules linked in: vxlan
| [   20.947306][   T68] Tainted: [W]=WARN
[   20.947395][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.947555][   T68] Workqueue: netns cleanup_net
[   20.947678][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.947834][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.948333][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   20.948487][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a233a80 RCX: 1ff4000000092eed
[   20.948663][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a233b3c
[   20.948846][   T68] RBP: ff110000091fc000 R08: 1fe2200001446769 R09: ff1100000915aed0
[   20.949022][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.949198][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.949377][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   20.949590][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.949737][   T68] CR2: 00007f8d40d2a000 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   20.949993][   T68] PKRU: 55555554
[   20.950083][   T68] Call Trace:
[   20.950171][   T68]  <TASK>
[   20.950233][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.950389][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.950540][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.950660][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.950785][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.950908][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.951098][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.951222][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.951341][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   20.951458][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.951655][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   20.951773][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.951895][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.952015][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.952168][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.952303][   T68]  process_one_work (kernel/workqueue.c:3314)
[   20.952429][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.952636][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.952834][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.952954][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.953076][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   20.953194][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.953386][   T68]  kthread (kernel/kthread.c:436)
[   20.953479][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.953625][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.953742][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.953935][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.954079][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.954200][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.954320][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.965038][   T68] ------------[ cut here ]------------
| [   20.965183][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   20.965433][   T68] Modules linked in: vxlan
| [   20.965861][   T68] Tainted: [W]=WARN
[   20.965955][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.966116][   T68] Workqueue: netns cleanup_net
[   20.966245][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.966407][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.966861][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   20.967023][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a232e40 RCX: 1ff4000000092eaf
[   20.967212][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a232efc
[   20.967396][   T68] RBP: ff1100000f6e9000 R08: 1fe22000014465e1 R09: ff1100000915aed0
[   20.967586][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.967770][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   20.968019][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   20.968238][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.968394][   T68] CR2: 00007f94c480b000 CR3: 000000000ccd2001 CR4: 0000000000771ef0
[   20.968587][   T68] PKRU: 55555554
[   20.968679][   T68] Call Trace:
[   20.968777][   T68]  <TASK>
[   20.968929][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.969061][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.969157][   T68]  netif_close_many (net/core/dev.c:1804)
[   20.969281][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.969406][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.969536][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.969661][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   20.969790][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.969948][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.970102][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.970226][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.970350][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   20.970479][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.970640][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.970768][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.970904][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.971030][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.971153][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.971278][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.971405][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   20.971537][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.971667][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   20.971790][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.971918][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.972043][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.972166][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.972290][   T68]  process_one_work (kernel/workqueue.c:3314)
[   20.972417][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.972549][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.972677][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.972803][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.972931][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   20.973057][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.973184][   T68]  kthread (kernel/kthread.c:436)
[   20.973277][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.973431][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.973561][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.973689][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.973848][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.973972][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.974095][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.976328][   T68] ------------[ cut here ]------------
| [   20.976449][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   20.976687][   T68] Modules linked in: vxlan
| [   20.977084][   T68] Tainted: [W]=WARN
[   20.977173][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.977320][   T68] Workqueue: netns cleanup_net
[   20.977444][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.977612][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.978039][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   20.978187][   T68] RAX: 00000000ffffffa6 RBX: ff11000008e54900 RCX: 1ff4000000092ed5
[   20.978381][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e549bc
[   20.978564][   T68] RBP: ff1100000f6e9000 R08: 1fe22000011ca939 R09: ff1100000915aed0
[   20.978742][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.978933][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.979112][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   20.979322][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.979480][   T68] CR2: 00007f94c480b000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   20.979662][   T68] PKRU: 55555554
[   20.979752][   T68] Call Trace:
[   20.979846][   T68]  <TASK>
[   20.979910][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.980064][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.980215][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.980336][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.980456][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.980585][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.980703][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.980829][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.980953][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   20.981074][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.981198][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   20.981317][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.981435][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.981560][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.981678][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.981798][   T68]  process_one_work (kernel/workqueue.c:3314)
[   20.981926][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.982044][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.982167][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.982287][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.982406][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   20.982532][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.982649][   T68]  kthread (kernel/kthread.c:436)
[   20.982743][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.982897][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.983018][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.983137][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.983286][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.983405][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.983527][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.118724][  T638] ------------[ cut here ]------------
| [   21.118897][  T638] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/638
| [   21.119136][  T638] Modules linked in: vxlan
| [   21.119550][  T638] Tainted: [W]=WARN
[   21.119651][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.119819][  T638] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.120001][  T638] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.120492][  T638] RSP: 0018:ffa0000001607a80 EFLAGS: 00010286
[   21.120662][  T638] RAX: 00000000ffffffa6 RBX: ff1100000ff6b380 RCX: 1ff40000002c0f16
[   21.120865][  T638] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6b43c
[   21.121083][  T638] RBP: ff11000009bec000 R08: 1fe2200001fed689 R09: ff1100000e64ae80
[   21.121281][  T638] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.121484][  T638] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bec000
[   21.121685][  T638] FS:  00007fa15bdcb840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   21.122519][  T638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.122691][  T638] CR2: 00007fa15bfccc20 CR3: 0000000004d6f004 CR4: 0000000000771ef0
[   21.122899][  T638] PKRU: 55555554
[   21.123000][  T638] Call Trace:
[   21.123099][  T638]  <TASK>
[   21.123168][  T638]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.123301][  T638]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.123436][  T638]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.123543][  T638]  register_netdevice (net/core/dev.c:11488)
[   21.123677][  T638]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.123849][  T638]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.123985][  T638]  register_netdev (net/core/dev.c:11552)
[   21.124117][  T638]  loopback_net_init (drivers/net/loopback.c:218)
[   21.124256][  T638]  ops_init (net/core/net_namespace.c:137)
[   21.124361][  T638]  setup_net (net/core/net_namespace.c:446)
[   21.124462][  T638]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.124601][  T638]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.124735][  T638]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.124881][  T638]  copy_net_ns (net/core/net_namespace.c:579)
[   21.125016][  T638]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.125150][  T638]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.125282][  T638]  ksys_unshare (kernel/fork.c:3243)
[   21.125414][  T638]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.125553][  T638]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.125685][  T638]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.125828][  T638]  ? __ia32_sys_open (fs/open.c:1374)
[   21.125963][  T638]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.126094][  T638]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.126226][  T638]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.126358][  T638]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.126498][  T638]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.126630][  T638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.126794][  T638] RIP: 0033:0x7fa15c08dbcb
[   21.126937][  T638] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.127411][  T638] RSP: 002b:00007fff95913d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.127620][  T638] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa15c08dbcb
[   21.127816][  T638] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.128017][  T638] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.128213][  T638] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff95915f50
[   21.128407][  T638] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9591788c
| [   21.132937][  T638] ------------[ cut here ]------------
| [   21.133077][  T638] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/638
| [   21.133306][  T638] Modules linked in: vxlan
| [   21.133709][  T638] Tainted: [W]=WARN
[   21.133808][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.133980][  T638] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.134151][  T638] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.134619][  T638] RSP: 0018:ffa0000001607918 EFLAGS: 00010286
[   21.134783][  T638] RAX: 00000000ffffffa6 RBX: ff1100000cde6900 RCX: 1ff40000002c0ee9
[   21.134983][  T638] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde69bc
[   21.135179][  T638] RBP: ff1100000fd44000 R08: 1fe22000019bcd39 R09: ff1100000e64ae80
[   21.135372][  T638] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.135598][  T638] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd44000
[   21.135796][  T638] FS:  00007fa15bdcb840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   21.136031][  T638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.136196][  T638] CR2: 00007fa15bfccc20 CR3: 0000000004d6f004 CR4: 0000000000771ef0
[   21.136393][  T638] PKRU: 55555554
[   21.136496][  T638] Call Trace:
[   21.136594][  T638]  <TASK>
[   21.136663][  T638]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.136796][  T638]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.136931][  T638]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.137031][  T638]  register_netdevice (net/core/dev.c:11488)
[   21.137163][  T638]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.137326][  T638]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.137458][  T638]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.137592][  T638]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   21.137722][  T638]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.137860][  T638]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.137994][  T638]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   21.138127][  T638]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   21.138261][  T638]  ops_init (net/core/net_namespace.c:137)
[   21.138360][  T638]  setup_net (net/core/net_namespace.c:446)
[   21.138459][  T638]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.138595][  T638]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.138726][  T638]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.138866][  T638]  copy_net_ns (net/core/net_namespace.c:579)
[   21.138998][  T638]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.139131][  T638]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.139264][  T638]  ksys_unshare (kernel/fork.c:3243)
[   21.139397][  T638]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.139535][  T638]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.139665][  T638]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.139800][  T638]  ? __ia32_sys_open (fs/open.c:1374)
[   21.139937][  T638]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.140073][  T638]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.140203][  T638]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.140333][  T638]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.140470][  T638]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.140603][  T638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.140766][  T638] RIP: 0033:0x7fa15c08dbcb
[   21.140911][  T638] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.141373][  T638] RSP: 002b:00007fff95913d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.141575][  T638] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa15c08dbcb
[   21.141770][  T638] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.141971][  T638] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.142166][  T638] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff95915f50
[   21.142364][  T638] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9591788c
| [   21.154073][  T638] ------------[ cut here ]------------
| [   21.154238][  T638] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/638
| [   21.154477][  T638] Modules linked in: vxlan
| [   21.154910][  T638] Tainted: [W]=WARN
[   21.155012][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.155178][  T638] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.155348][  T638] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.155826][  T638] RSP: 0018:ffa00000016078f8 EFLAGS: 00010286
[   21.155994][  T638] RAX: 00000000ffffffa6 RBX: ff1100000a1b3380 RCX: 1ff40000002c0ee5
[   21.156191][  T638] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b343c
[   21.156389][  T638] RBP: ff1100000f5a9000 R08: 1fe2200001436689 R09: ff1100000e64ae80
[   21.156593][  T638] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.156790][  T638] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5a9000
[   21.156995][  T638] FS:  00007fa15bdcb840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   21.157225][  T638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.157389][  T638] CR2: 00007fa15bfccc20 CR3: 0000000004d6f004 CR4: 0000000000771ef0
[   21.157591][  T638] PKRU: 55555554
[   21.157690][  T638] Call Trace:
[   21.157791][  T638]  <TASK>
[   21.157866][  T638]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.157998][  T638]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.158130][  T638]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.158230][  T638]  register_netdevice (net/core/dev.c:11488)
[   21.158364][  T638]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.158531][  T638]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.158666][  T638]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.158799][  T638]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   21.158934][  T638]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.159067][  T638]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.159199][  T638]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   21.159331][  T638]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   21.159464][  T638]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.159602][  T638]  vti_init_net (net/ipv4/ip_vti.c:517)
[   21.159736][  T638]  ops_init (net/core/net_namespace.c:137)
[   21.159841][  T638]  setup_net (net/core/net_namespace.c:446)
[   21.159943][  T638]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.160073][  T638]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.160204][  T638]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.160338][  T638]  copy_net_ns (net/core/net_namespace.c:579)
[   21.160475][  T638]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.160609][  T638]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.160741][  T638]  ksys_unshare (kernel/fork.c:3243)
[   21.160879][  T638]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.161012][  T638]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.161143][  T638]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.161277][  T638]  ? __ia32_sys_open (fs/open.c:1374)
[   21.161412][  T638]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.161548][  T638]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.161679][  T638]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.161810][  T638]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.161949][  T638]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.162082][  T638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.162247][  T638] RIP: 0033:0x7fa15c08dbcb
[   21.162386][  T638] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.162864][  T638] RSP: 002b:00007fff95913d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.163065][  T638] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa15c08dbcb
[   21.163260][  T638] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.163458][  T638] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.163658][  T638] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff95915f50
[   21.163861][  T638] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9591788c
| [   21.167945][  T638] ------------[ cut here ]------------
| [   21.168081][  T638] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/638
| [   21.168307][  T638] Modules linked in: vxlan
| [   21.168707][  T638] Tainted: [W]=WARN
[   21.168806][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.168977][  T638] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.169147][  T638] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.169626][  T638] RSP: 0018:ffa0000001607a78 EFLAGS: 00010286
[   21.169790][  T638] RAX: 00000000ffffffa6 RBX: ff1100000ff6a580 RCX: 1ff40000002c0f15
[   21.169989][  T638] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6a63c
[   21.170182][  T638] RBP: ff11000004c49000 R08: 1fe2200001fed4c9 R09: ff1100000e64ae80
[   21.170377][  T638] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.170574][  T638] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004c49000
[   21.170768][  T638] FS:  00007fa15bdcb840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   21.171000][  T638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.171164][  T638] CR2: 00007fa15bfccc20 CR3: 0000000004d6f004 CR4: 0000000000771ef0
[   21.171363][  T638] PKRU: 55555554
[   21.171460][  T638] Call Trace:
[   21.171562][  T638]  <TASK>
[   21.171629][  T638]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.171759][  T638]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.171894][  T638]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.171997][  T638]  register_netdevice (net/core/dev.c:11488)
[   21.172129][  T638]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.172290][  T638]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.172424][  T638]  register_netdev (net/core/dev.c:11552)
[   21.172560][  T638]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   21.172705][  T638]  ops_init (net/core/net_namespace.c:137)
[   21.172804][  T638]  setup_net (net/core/net_namespace.c:446)
[   21.172910][  T638]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.173042][  T638]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.173174][  T638]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.173308][  T638]  copy_net_ns (net/core/net_namespace.c:579)
[   21.173441][  T638]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.173578][  T638]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.173710][  T638]  ksys_unshare (kernel/fork.c:3243)
[   21.173849][  T638]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.173980][  T638]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.174111][  T638]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.174241][  T638]  ? __ia32_sys_open (fs/open.c:1374)
[   21.174372][  T638]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.174505][  T638]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.174634][  T638]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.174764][  T638]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.174901][  T638]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.175031][  T638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.175193][  T638] RIP: 0033:0x7fa15c08dbcb
[   21.175330][  T638] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.175800][  T638] RSP: 002b:00007fff95913d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.176000][  T638] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa15c08dbcb
[   21.176194][  T638] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.176387][  T638] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.176586][  T638] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff95915f50
[   21.176783][  T638] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9591788c
| [   21.180849][  T638] ------------[ cut here ]------------
| [   21.180983][  T638] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/638
| [   21.181206][  T638] Modules linked in: vxlan
| [   21.181604][  T638] Tainted: [W]=WARN
[   21.181702][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.181871][  T638] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.182041][  T638] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.182510][  T638] RSP: 0018:ffa0000001607a68 EFLAGS: 00010286
[   21.182675][  T638] RAX: 00000000ffffffa6 RBX: ff1100000947ba80 RCX: 1ff40000002c0f13
[   21.182877][  T638] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947bb3c
[   21.183072][  T638] RBP: ff1100000f739000 R08: 1fe220000128f769 R09: ff1100000e64ae80
[   21.183267][  T638] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.183464][  T638] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f739000
[   21.183666][  T638] FS:  00007fa15bdcb840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   21.183902][  T638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.184066][  T638] CR2: 00007fa15bfccc20 CR3: 0000000004d6f004 CR4: 0000000000771ef0
[   21.184263][  T638] PKRU: 55555554
[   21.184361][  T638] Call Trace:
[   21.184459][  T638]  <TASK>
[   21.184533][  T638]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.184664][  T638]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.184796][  T638]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.184900][  T638]  register_netdevice (net/core/dev.c:11488)
[   21.185033][  T638]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.185198][  T638]  register_netdev (net/core/dev.c:11552)
[   21.185329][  T638]  sit_init_net (net/ipv6/sit.c:1860)
[   21.185463][  T638]  ops_init (net/core/net_namespace.c:137)
[   21.185566][  T638]  setup_net (net/core/net_namespace.c:446)
[   21.185666][  T638]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.185795][  T638]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.185930][  T638]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.186064][  T638]  copy_net_ns (net/core/net_namespace.c:579)
[   21.186197][  T638]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.186331][  T638]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.186463][  T638]  ksys_unshare (kernel/fork.c:3243)
[   21.186599][  T638]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.186730][  T638]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.186867][  T638]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.186999][  T638]  ? __ia32_sys_open (fs/open.c:1374)
[   21.187131][  T638]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.187262][  T638]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.187393][  T638]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.187528][  T638]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.187659][  T638]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.187790][  T638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.187956][  T638] RIP: 0033:0x7fa15c08dbcb
[   21.188091][  T638] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.188559][  T638] RSP: 002b:00007fff95913d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.188755][  T638] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa15c08dbcb
[   21.188954][  T638] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.189149][  T638] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.189342][  T638] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff95915f50
[   21.189540][  T638] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9591788c
| [   21.194153][  T638] ------------[ cut here ]------------
| [   21.194290][  T638] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/638
| [   21.194521][  T638] Modules linked in: vxlan
| [   21.194928][  T638] Tainted: [W]=WARN
[   21.195026][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.195191][  T638] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.195362][  T638] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.195839][  T638] RSP: 0018:ffa0000001607a78 EFLAGS: 00010286
[   21.196005][  T638] RAX: 00000000ffffffa6 RBX: ff1100000cd8ba80 RCX: 1ff40000002c0f15
[   21.196201][  T638] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8bb3c
[   21.196397][  T638] RBP: ff110000078c9000 R08: 1fe22000019b1769 R09: ff1100000e64ae80
[   21.196599][  T638] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.196796][  T638] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000078c9000
[   21.196997][  T638] FS:  00007fa15bdcb840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   21.197227][  T638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.197392][  T638] CR2: 00007fa15bfccc20 CR3: 0000000004d6f004 CR4: 0000000000771ef0
[   21.197596][  T638] PKRU: 55555554
[   21.197694][  T638] Call Trace:
[   21.197794][  T638]  <TASK>
[   21.197867][  T638]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.197998][  T638]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.198129][  T638]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.198229][  T638]  register_netdevice (net/core/dev.c:11488)
[   21.198362][  T638]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.198532][  T638]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.198666][  T638]  register_netdev (net/core/dev.c:11552)
[   21.198795][  T638]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   21.198932][  T638]  ops_init (net/core/net_namespace.c:137)
[   21.199032][  T638]  setup_net (net/core/net_namespace.c:446)
[   21.199130][  T638]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.199261][  T638]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.199396][  T638]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.199535][  T638]  copy_net_ns (net/core/net_namespace.c:579)
[   21.199668][  T638]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.199803][  T638]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.199940][  T638]  ksys_unshare (kernel/fork.c:3243)
[   21.200071][  T638]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.200203][  T638]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.200335][  T638]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.200471][  T638]  ? __ia32_sys_open (fs/open.c:1374)
[   21.200605][  T638]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.200737][  T638]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.200869][  T638]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.201000][  T638]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.201131][  T638]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.201262][  T638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.201425][  T638] RIP: 0033:0x7fa15c08dbcb
[   21.201566][  T638] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.202035][  T638] RSP: 002b:00007fff95913d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.202233][  T638] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa15c08dbcb
[   21.202425][  T638] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.202625][  T638] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.202826][  T638] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff95915f50
[   21.203030][  T638] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9591788c
| [   21.231606][  T639] ------------[ cut here ]------------
| [   21.231755][  T639] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/639
| [   21.231995][  T639] Modules linked in: vxlan
| [   21.232397][  T639] Tainted: [W]=WARN
[   21.232505][  T639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.232672][  T639] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.232846][  T639] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.233321][  T639] RSP: 0018:ffa0000001617020 EFLAGS: 00010286
[   21.233494][  T639] RAX: 00000000ffffffa6 RBX: ff1100000b7c7540 RCX: 1ff40000002c2dca
[   21.233689][  T639] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7c75fc
[   21.233887][  T639] RBP: ff11000009bec000 R08: 1fe22000016f8ec1 R09: ff1100000f852e58
[   21.234080][  T639] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   21.234276][  T639] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.234480][  T639] FS:  00007fc927fd3840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   21.234708][  T639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.234876][  T639] CR2: 000000001f6bd988 CR3: 0000000004d15004 CR4: 0000000000771ef0
[   21.235071][  T639] PKRU: 55555554
[   21.235169][  T639] Call Trace:
[   21.235269][  T639]  <TASK>
[   21.235338][  T639]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.235474][  T639]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.235574][  T639]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.235708][  T639]  __dev_notify_flags (net/core/dev.c:9787)
[   21.235846][  T639]  ? netif_change_name (net/core/dev.c:1495)
[   21.235978][  T639]  ? __dev_change_flags (net/core/dev.c:9752)
[   21.236110][  T639]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.236243][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.236375][  T639]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   21.236512][  T639]  netif_change_flags (net/core/dev.c:9820)
[   21.236646][  T639]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.236777][  T639]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.236917][  T639]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.237051][  T639]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.237217][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.237349][  T639]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.237483][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.237614][  T639]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.237748][  T639]  ? __kernel_text_address (kernel/extable.c:79)
[   21.237886][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.238020][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.238151][  T639]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.238281][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.238413][  T639]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.238546][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.238677][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.238807][  T639]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.238946][  T639]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   21.239078][  T639]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.239209][  T639]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.239342][  T639]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.239480][  T639]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.239616][  T639]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.239750][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.239886][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.240017][  T639]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.240148][  T639]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.240278][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.240411][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.240546][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.240675][  T639]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.240806][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.240945][  T639]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.241076][  T639]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.241207][  T639]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.241340][  T639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.241476][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.241611][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.241740][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.241880][  T639]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.242015][  T639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.242148][  T639]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.242282][  T639]  ? 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))
[   21.242413][  T639]  ? 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))
[   21.242549][  T639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.242682][  T639]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.242815][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.242954][  T639]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.243087][  T639]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.243219][  T639]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.243352][  T639]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.243489][  T639]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.243620][  T639]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.243783][  T639]  ? move_addr_to_kernel (net/socket.c:258)
[   21.243921][  T639]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.244053][  T639]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.244184][  T639]  ___sys_sendmsg (net/socket.c:2752)
[   21.244316][  T639]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.244484][  T639]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.244627][  T639]  __sys_sendmsg (net/socket.c:2784)
[   21.244760][  T639]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.244897][  T639]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.245062][  T639]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.245192][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.245323][  T639]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.245454][  T639]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.245590][  T639]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.245719][  T639]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.245886][  T639] RIP: 0033:0x7fc92820d08e
[   21.246023][  T639] 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
[   21.246493][  T639] RSP: 002b:00007ffd7c88ecf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.246689][  T639] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc92820d08e
[   21.246890][  T639] RDX: 0000000000000000 RSI: 00007ffd7c88eda0 RDI: 0000000000000005
[   21.247087][  T639] RBP: 00007ffd7c88ed00 R08: 0000000000000000 R09: 0000000000000000
[   21.247281][  T639] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b4
[   21.247479][  T639] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7c88f470
| [   21.345027][  T642] ------------[ cut here ]------------
| [   21.345186][  T642] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/642
| [   21.345437][  T642] Modules linked in: vxlan
| [   21.345880][  T642] Tainted: [W]=WARN
[   21.345987][  T642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.346163][  T642] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.346344][  T642] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.346858][  T642] RSP: 0018:ffa0000001646fd0 EFLAGS: 00010286
[   21.347036][  T642] RAX: 00000000ffffffa6 RBX: ff1100000dbf83c0 RCX: 1ff40000002c8dc0
[   21.347246][  T642] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf847c
[   21.347454][  T642] RBP: ff1100000f3c2000 R08: 1fe2200001b7f091 R09: ff1100000e6c2e80
[   21.347669][  T642] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.347885][  T642] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3c2e44
[   21.348095][  T642] FS:  00007fec46d51840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   21.348342][  T642] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.348523][  T642] CR2: 00007fec46f4a460 CR3: 000000000fe07004 CR4: 0000000000771ef0
[   21.348734][  T642] PKRU: 55555554
[   21.348845][  T642] Call Trace:
[   21.348951][  T642]  <TASK>
[   21.349024][  T642]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.349166][  T642]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   21.349313][  T642]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.349420][  T642]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   21.349567][  T642]  __dev_notify_flags (net/core/dev.c:9787)
[   21.349709][  T642]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.349856][  T642]  ? netif_change_name (net/core/dev.c:1495)
[   21.349999][  T642]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   21.350144][  T642]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   21.350287][  T642] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   21.350435][  T642]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   21.350585][  T642] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   21.350728][  T642]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   21.350946][  T642]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   21.351090][  T642]  ? nla_strscpy (lib/nlattr.c:795)
[   21.351234][  T642]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   21.351378][  T642]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   21.351525][  T642]  ? __dev_get_by_name (net/core/dev.c:883)
[   21.351666][  T642]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   21.351815][  T642]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   21.352047][  T642]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.352191][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.352332][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.352480][  T642]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.352625][  T642]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.352766][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.353034][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.353178][  T642]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.353319][  T642]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.353461][  T642]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.353607][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.353748][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.353954][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.354095][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.354237][  T642]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.354380][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.354526][  T642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.354672][  T642]  ? 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))
[   21.354813][  T642]  ? 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))
[   21.355020][  T642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.355164][  T642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.355308][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.355451][  T642]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.355599][  T642]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.355741][  T642]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.355947][  T642]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.356089][  T642]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.356234][  T642]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.356411][  T642]  ? move_addr_to_kernel (net/socket.c:258)
[   21.356562][  T642]  ___sys_sendmsg (net/socket.c:2752)
[   21.356704][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.356907][  T642]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.357059][  T642]  ? 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))
[   21.357204][  T642]  __sys_sendmsg (net/socket.c:2784)
[   21.357348][  T642]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.357499][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.357642][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.357785][  T642]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.357989][  T642]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.358132][  T642]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.358273][  T642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.358449][  T642] RIP: 0033:0x7fec46f8b08e
[   21.358602][  T642] 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
[   21.359173][  T642] RSP: 002b:00007ffc7e51dda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.359388][  T642] RAX: ffffffffffffffda RBX: 00007ffc7e51e550 RCX: 00007fec46f8b08e
[   21.359607][  T642] RDX: 0000000000000000 RSI: 00007ffc7e51de50 RDI: 0000000000000005
[   21.359818][  T642] RBP: 00007ffc7e51ddb0 R08: 0000000000000000 R09: 0000000000000000
[   21.360089][  T642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b4
[   21.360300][  T642] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7e51e520
| [   21.393895][  T643] ------------[ cut here ]------------
| [   21.394053][  T643] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/643
| [   21.394297][  T643] Modules linked in: vxlan
| [   21.394734][  T643] Tainted: [W]=WARN
[   21.395433][  T643] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.395619][  T643] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.395802][  T643] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.396306][  T643] RSP: 0018:ffa0000001656fd0 EFLAGS: 00010286
[   21.396488][  T643] RAX: 00000000ffffffa6 RBX: ff1100000c4f6040 RCX: 1ff40000002cadc0
[   21.396700][  T643] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4f60fc
[   21.396915][  T643] RBP: ff1100000f17a000 R08: 1fe220000189ec21 R09: ff1100000e6c5180
[   21.397122][  T643] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.397331][  T643] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f17ae44
[   21.397547][  T643] FS:  00007f00c7fc3840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   21.397793][  T643] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.397972][  T643] CR2: 00007f00c81bc460 CR3: 000000000fe0f003 CR4: 0000000000771ef0
[   21.398182][  T643] PKRU: 55555554
[   21.398288][  T643] Call Trace:
[   21.398392][  T643]  <TASK>
[   21.398465][  T643]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.398612][  T643]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   21.398756][  T643]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.398867][  T643]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   21.399008][  T643]  __dev_notify_flags (net/core/dev.c:9787)
[   21.399148][  T643]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.399288][  T643]  ? netif_change_name (net/core/dev.c:1495)
[   21.399429][  T643]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   21.399578][  T643]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   21.399719][  T643] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   21.399868][  T643]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   21.400015][  T643] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   21.400157][  T643]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   21.400301][  T643]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   21.400444][  T643]  ? nla_strscpy (lib/nlattr.c:795)
[   21.400590][  T643]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   21.400732][  T643]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   21.400878][  T643]  ? __dev_get_by_name (net/core/dev.c:883)
[   21.401017][  T643]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   21.401163][  T643]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   21.401308][  T643]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.401450][  T643]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.401596][  T643]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.401735][  T643]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.401880][  T643]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.402021][  T643]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.402166][  T643]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.402308][  T643]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.402449][  T643]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.402595][  T643]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.402734][  T643]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.402879][  T643]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.403019][  T643]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.403156][  T643]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.403296][  T643]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.403435][  T643]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.403582][  T643]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.403727][  T643]  ? 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))
[   21.403870][  T643]  ? 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))
[   21.404012][  T643]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.404155][  T643]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.404296][  T643]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.404438][  T643]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.404584][  T643]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.404725][  T643]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.404872][  T643]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.405012][  T643]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.405150][  T643]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.405323][  T643]  ? move_addr_to_kernel (net/socket.c:258)
[   21.405471][  T643]  ___sys_sendmsg (net/socket.c:2752)
[   21.405610][  T643]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.405750][  T643]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.405903][  T643]  ? 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))
[   21.406046][  T643]  __sys_sendmsg (net/socket.c:2784)
[   21.406185][  T643]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.406328][  T643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.406473][  T643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.406614][  T643]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.406754][  T643]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.406900][  T643]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.407042][  T643]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.407215][  T643] RIP: 0033:0x7f00c81fd08e
[   21.407361][  T643] 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
[   21.407871][  T643] RSP: 002b:00007ffcb7a76190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.408085][  T643] RAX: ffffffffffffffda RBX: 00007ffcb7a76940 RCX: 00007f00c81fd08e
[   21.408296][  T643] RDX: 0000000000000000 RSI: 00007ffcb7a76240 RDI: 0000000000000005
[   21.408511][  T643] RBP: 00007ffcb7a761a0 R08: 0000000000000000 R09: 0000000000000000
[   21.408721][  T643] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b4
[   21.408938][  T643] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb7a76910
| [   21.451403][  T644] ------------[ cut here ]------------
| [   21.451565][  T644] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/644
| [   21.451802][  T644] Modules linked in: vxlan
| [   21.452223][  T644] Tainted: [W]=WARN
[   21.452324][  T644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.452498][  T644] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.452673][  T644] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.453155][  T644] RSP: 0018:ffa00000016671b0 EFLAGS: 00010286
[   21.453325][  T644] RAX: 00000000ffffffa6 RBX: ff1100000c4f7c40 RCX: 1ff40000002ccdfc
[   21.453531][  T644] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4f7cfc
[   21.453731][  T644] RBP: ff1100000f3da000 R08: 1fe220000189efa1 R09: ff1100000f64ae80
[   21.453934][  T644] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.454136][  T644] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   21.454339][  T644] FS:  00007f018e471840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   21.454580][  T644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.454748][  T644] CR2: 00007f018e66a460 CR3: 000000000fe04006 CR4: 0000000000771ef0
[   21.454958][  T644] PKRU: 55555554
[   21.455059][  T644] Call Trace:
[   21.455160][  T644]  <TASK>
[   21.455231][  T644]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.455367][  T644]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.455474][  T644]  __dev_notify_flags (net/core/dev.c:9787)
[   21.455612][  T644]  ? netif_change_name (net/core/dev.c:1495)
[   21.455749][  T644]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.455923][  T644]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.456061][  T644]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   21.456197][  T644]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   21.456335][  T644]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   21.456476][  T644]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   21.456609][  T644]  ? __dev_get_by_name (net/core/dev.c:883)
[   21.456743][  T644]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   21.456892][  T644]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   21.457030][  T644]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.457167][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.457301][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.457435][  T644]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.457575][  T644]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.457708][  T644]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.457851][  T644]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.457987][  T644]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.458121][  T644]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.458255][  T644]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.458389][  T644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.458528][  T644]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.458664][  T644]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.458797][  T644]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.458938][  T644]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.459072][  T644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.459205][  T644]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.459345][  T644]  ? 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))
[   21.459482][  T644]  ? 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))
[   21.459618][  T644]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.459753][  T644]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.459892][  T644]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.460029][  T644]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.460164][  T644]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.460299][  T644]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.460434][  T644]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.460576][  T644]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.460708][  T644]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.460880][  T644]  ? move_addr_to_kernel (net/socket.c:258)
[   21.461021][  T644]  ___sys_sendmsg (net/socket.c:2752)
[   21.461153][  T644]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.461286][  T644]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.461426][  T644]  ? 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))
[   21.461567][  T644]  __sys_sendmsg (net/socket.c:2784)
[   21.461701][  T644]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.461843][  T644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.461978][  T644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.462111][  T644]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.462244][  T644]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.462378][  T644]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.462517][  T644]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.462683][  T644] RIP: 0033:0x7f018e6ab08e
[   21.462831][  T644] 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
[   21.463308][  T644] RSP: 002b:00007ffcb6e92d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.463514][  T644] RAX: ffffffffffffffda RBX: 00007ffcb6e93518 RCX: 00007f018e6ab08e
[   21.463712][  T644] RDX: 0000000000000000 RSI: 00007ffcb6e92e20 RDI: 0000000000000005
[   21.463918][  T644] RBP: 00007ffcb6e92d80 R08: 0000000000000000 R09: 0000000000000000
[   21.464115][  T644] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b4
[   21.464316][  T644] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb6e934f0
| [   21.492673][  T645] ------------[ cut here ]------------
| [   21.492831][  T645] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/645
| [   21.493070][  T645] Modules linked in: vxlan
| [   21.493484][  T645] Tainted: [W]=WARN
[   21.493587][  T645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.493757][  T645] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.493937][  T645] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.494412][  T645] RSP: 0018:ffa00000016771b0 EFLAGS: 00010286
[   21.494586][  T645] RAX: 00000000ffffffa6 RBX: ff1100000dbf9380 RCX: 1ff40000002cedfc
[   21.494787][  T645] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf943c
[   21.494993][  T645] RBP: ff1100000f632000 R08: 1fe2200001b7f289 R09: ff1100000f648b80
[   21.495195][  T645] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.495394][  T645] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   21.495604][  T645] FS:  00007fcaf58b0840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   21.495845][  T645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.496016][  T645] CR2: 00007fcaf5aa9460 CR3: 000000000fe0f006 CR4: 0000000000771ef0
[   21.496218][  T645] PKRU: 55555554
[   21.496319][  T645] Call Trace:
[   21.496420][  T645]  <TASK>
[   21.496495][  T645]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.496633][  T645]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.496735][  T645]  __dev_notify_flags (net/core/dev.c:9787)
[   21.496878][  T645]  ? netif_change_name (net/core/dev.c:1495)
[   21.497015][  T645]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.497183][  T645]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.497320][  T645]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   21.497456][  T645]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   21.497598][  T645]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   21.497734][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   21.497871][  T645]  ? __dev_get_by_name (net/core/dev.c:883)
[   21.498004][  T645]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   21.498142][  T645]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   21.498281][  T645]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.498418][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.498558][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.498693][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.498831][  T645]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.498966][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.499105][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.499240][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.499374][  T645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.499515][  T645]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.499650][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.499786][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.499927][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.500061][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.500195][  T645]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.500330][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.500469][  T645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.500609][  T645]  ? 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))
[   21.500743][  T645]  ? 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))
[   21.500886][  T645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.501020][  T645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.501156][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.501291][  T645]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.501428][  T645]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.501570][  T645]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.501707][  T645]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.501847][  T645]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.501982][  T645]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.502151][  T645]  ? move_addr_to_kernel (net/socket.c:258)
[   21.502290][  T645]  ___sys_sendmsg (net/socket.c:2752)
[   21.502424][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.502564][  T645]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.502710][  T645]  ? 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))
[   21.502850][  T645]  __sys_sendmsg (net/socket.c:2784)
[   21.502985][  T645]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.503124][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.503260][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.503396][  T645]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.503536][  T645]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.503672][  T645]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.503806][  T645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.503977][  T645] RIP: 0033:0x7fcaf5aea08e
[   21.504116][  T645] 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
[   21.504592][  T645] RSP: 002b:00007ffc6f8a42d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.504793][  T645] RAX: ffffffffffffffda RBX: 00007ffc6f8a4a78 RCX: 00007fcaf5aea08e
[   21.504998][  T645] RDX: 0000000000000000 RSI: 00007ffc6f8a4380 RDI: 0000000000000005
[   21.505197][  T645] RBP: 00007ffc6f8a42e0 R08: 0000000000000000 R09: 0000000000000000
[   21.505395][  T645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b4
[   21.505600][  T645] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6f8a4a50
| [   21.987069][  T674] ------------[ cut here ]------------
| [   21.987270][  T674] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/674
| [   21.987547][  T674] Modules linked in: vxlan
| [   21.988044][  T674] Tainted: [W]=WARN
[   21.988185][  T674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.988387][  T674] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.988608][  T674] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.989554][  T674] RSP: 0018:ffa0000001747190 EFLAGS: 00010286
[   21.989757][  T674] RAX: 00000000ffffffa6 RBX: ff1100000c404740 RCX: 1ff40000002e8df8
[   21.990005][  T674] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4047fc
[   21.990239][  T674] RBP: ff1100000f632000 R08: 1fe2200001880901 R09: ff1100000f435158
[   21.990477][  T674] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.990709][  T674] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.990957][  T674] FS:  00007fb90a103840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   21.991232][  T674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.991436][  T674] CR2: 00000000269f5988 CR3: 0000000009c77002 CR4: 0000000000771ef0
[   21.991672][  T674] PKRU: 55555554
[   21.991812][  T674] Call Trace:
[   21.991965][  T674]  <TASK>
[   21.992077][  T674]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.992287][  T674]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.992493][  T674]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.992668][  T674]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.992851][  T674]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.993056][  T674]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   21.993228][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.993399][  T674]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.993577][  T674]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.993748][  T674]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.993934][  T674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.994124][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.994294][  T674]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.994474][  T674]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.994644][  T674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.994815][  T674]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.995000][  T674]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   21.995175][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.995347][  T674]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.995527][  T674]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.995699][  T674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.995884][  T674]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   21.996056][  T674]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.996228][  T674]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.996399][  T674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.996578][  T674]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.996753][  T674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.996931][  T674]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.997103][  T674]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.997275][  T674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.997447][  T674]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.997629][  T674]  ? 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))
[   21.997798][  T674]  ? 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))
[   21.997984][  T674]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.998157][  T674]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.998330][  T674]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.998510][  T674]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.998684][  T674]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.998871][  T674]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.999047][  T674]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.999221][  T674]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.999391][  T674]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.999597][  T674]  ? move_addr_to_kernel (net/socket.c:258)
[   21.999771][  T674]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.999958][  T674]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.000133][  T674]  ___sys_sendmsg (net/socket.c:2752)
[   22.000305][  T674]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.000516][  T674]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.000700][  T674]  __sys_sendmsg (net/socket.c:2784)
[   22.000884][  T674]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.001054][  T674]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.001258][  T674]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.001431][  T674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.001610][  T674]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.001782][  T674]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.001964][  T674]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.002137][  T674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.002337][  T674] RIP: 0033:0x7fb90a33d08e
[   22.002521][  T674] 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
[   22.003025][  T674] RSP: 002b:00007ffc8b5fd2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.003260][  T674] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb90a33d08e
[   22.003496][  T674] RDX: 0000000000000000 RSI: 00007ffc8b5fd370 RDI: 0000000000000005
[   22.003728][  T674] RBP: 00007ffc8b5fd2d0 R08: 0000000000000000 R09: 0000000000000000
[   22.003971][  T674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b5
[   22.004201][  T674] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8b5fda40
| [   22.046865][  T675] ------------[ cut here ]------------
| [   22.047017][  T675] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/675
| [   22.047243][  T675] Modules linked in: vxlan
| [   22.047640][  T675] Tainted: [W]=WARN
[   22.047738][  T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.047899][  T675] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.048063][  T675] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.048513][  T675] RSP: 0018:ffa0000001747190 EFLAGS: 00010286
[   22.048674][  T675] RAX: 00000000ffffffa6 RBX: ff1100000e69eac0 RCX: 1ff40000002e8df8
[   22.049234][  T675] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e69eb7c
[   22.049422][  T675] RBP: ff1100000f3da000 R08: 1fe2200001cd3d71 R09: ff11000012440b58
[   22.049612][  T675] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.049799][  T675] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.050000][  T675] FS:  00007f2420e9d840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   22.050223][  T675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.050382][  T675] CR2: 000000003588d988 CR3: 000000000f12c005 CR4: 0000000000771ef0
[   22.050576][  T675] PKRU: 55555554
[   22.050674][  T675] Call Trace:
[   22.050769][  T675]  <TASK>
[   22.050839][  T675]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.051004][  T675]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.051160][  T675]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.051287][  T675]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.051414][  T675]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   22.051577][  T675]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   22.051704][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.051834][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.051961][  T675]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.052087][  T675]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.052212][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.052356][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.052484][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.052611][  T675]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.052736][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.052865][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.052991][  T675]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   22.053120][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.053245][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.053370][  T675]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.053502][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.053630][  T675]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.053757][  T675]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.053889][  T675]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.054019][  T675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.054144][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.054272][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.054397][  T675]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.054532][  T675]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.054658][  T675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.054785][  T675]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.054920][  T675]  ? 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))
[   22.055046][  T675]  ? 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))
[   22.055175][  T675]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.055304][  T675]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.055431][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.055562][  T675]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.055688][  T675]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.055816][  T675]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.055951][  T675]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.056078][  T675]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.056203][  T675]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.056358][  T675]  ? move_addr_to_kernel (net/socket.c:258)
[   22.056492][  T675]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.056621][  T675]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.056748][  T675]  ___sys_sendmsg (net/socket.c:2752)
[   22.056882][  T675]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.057037][  T675]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.057176][  T675]  __sys_sendmsg (net/socket.c:2784)
[   22.057302][  T675]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.057430][  T675]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.057594][  T675]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.057719][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.057852][  T675]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.057979][  T675]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.058106][  T675]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.058232][  T675]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.058388][  T675] RIP: 0033:0x7f24210d708e
[   22.058545][  T675] 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
[   22.058995][  T675] RSP: 002b:00007fffb0aeb050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.059187][  T675] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f24210d708e
[   22.059376][  T675] RDX: 0000000000000000 RSI: 00007fffb0aeb100 RDI: 0000000000000005
[   22.059588][  T675] RBP: 00007fffb0aeb060 R08: 0000000000000000 R09: 0000000000000000
[   22.059776][  T675] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b5
[   22.059970][  T675] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb0aeb7d0
| [   22.112137][  T677] ------------[ cut here ]------------
| [   22.112286][  T677] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/677
| [   22.112516][  T677] Modules linked in: vxlan
| [   22.113217][  T677] Tainted: [W]=WARN
[   22.113316][  T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.113480][  T677] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.113647][  T677] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.114101][  T677] RSP: 0018:ffa0000001757190 EFLAGS: 00010286
[   22.114261][  T677] RAX: 00000000ffffffa6 RBX: ff1100000e69fe00 RCX: 1ff40000002eadf8
[   22.114448][  T677] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e69febc
[   22.114640][  T677] RBP: ff1100000f17a000 R08: 1fe2200001cd3fd9 R09: ff11000012445158
[   22.114834][  T677] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.115021][  T677] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.115211][  T677] FS:  00007fbee5d3f840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   22.115432][  T677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.115595][  T677] CR2: 000000000acea988 CR3: 0000000009c71002 CR4: 0000000000771ef0
[   22.115783][  T677] PKRU: 55555554
[   22.115883][  T677] Call Trace:
[   22.115977][  T677]  <TASK>
[   22.116042][  T677]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.116204][  T677]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.116360][  T677]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.116493][  T677]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   22.116619][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.116742][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.116873][  T677]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.116997][  T677]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.117122][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.117263][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.117387][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.117517][  T677]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.117641][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.117765][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.117896][  T677]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   22.118022][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.118145][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.118271][  T677]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.118396][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.118527][  T677]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.118651][  T677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.118774][  T677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.118905][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.119029][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.119156][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.119279][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.119406][  T677]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.119537][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.119661][  T677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.119789][  T677]  ? 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))
[   22.119924][  T677]  ? 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))
[   22.120050][  T677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.120175][  T677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.120306][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.120431][  T677]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.120561][  T677]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.120686][  T677]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.120814][  T677]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.120945][  T677]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.121071][  T677]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.121225][  T677]  ? move_addr_to_kernel (net/socket.c:258)
[   22.121352][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.121481][  T677]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.121608][  T677]  ___sys_sendmsg (net/socket.c:2752)
[   22.121731][  T677]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.121906][  T677]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.122044][  T677]  __sys_sendmsg (net/socket.c:2784)
[   22.122169][  T677]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.122296][  T677]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.122454][  T677]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.122582][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.122708][  T677]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.122841][  T677]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.122968][  T677]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.123095][  T677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.123253][  T677] RIP: 0033:0x7fbee5f7908e
[   22.123385][  T677] 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
[   22.123835][  T677] RSP: 002b:00007ffcd39a9a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.124028][  T677] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbee5f7908e
[   22.124217][  T677] RDX: 0000000000000000 RSI: 00007ffcd39a9b40 RDI: 0000000000000005
[   22.124404][  T677] RBP: 00007ffcd39a9aa0 R08: 0000000000000000 R09: 0000000000000000
[   22.124596][  T677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b5
[   22.124782][  T677] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd39aa210
| [   22.166541][  T678] ------------[ cut here ]------------
| [   22.166721][  T678] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/678
| [   22.167000][  T678] Modules linked in: vxlan
| [   22.167489][  T678] Tainted: [W]=WARN
[   22.167633][  T678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.167849][  T678] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.168062][  T678] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.168573][  T678] RSP: 0018:ffa0000001767190 EFLAGS: 00010286
[   22.168779][  T678] RAX: 00000000ffffffa6 RBX: ff1100000290d700 RCX: 1ff40000002ecdf8
[   22.169024][  T678] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290d7bc
[   22.169258][  T678] RBP: ff1100000f3c2000 R08: 1fe2200000521af9 R09: ff1100000f120b58
[   22.169499][  T678] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.169734][  T678] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.169983][  T678] FS:  00007f0589f13840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   22.170250][  T678] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.170454][  T678] CR2: 00000000271c0988 CR3: 000000000f63a005 CR4: 0000000000771ef0
[   22.170699][  T678] PKRU: 55555554
[   22.170912][  T678] Call Trace:
[   22.171105][  T678]  <TASK>
[   22.171284][  T678]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.171551][  T678]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.171793][  T678]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.171979][  T678]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   22.172162][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.172333][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.172514][  T678]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.172690][  T678]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.172871][  T678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.173065][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.173239][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.173412][  T678]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.173594][  T678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.173769][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.173956][  T678]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   22.174132][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.174304][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.174487][  T678]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.174661][  T678]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.174849][  T678]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   22.175024][  T678]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.175198][  T678]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.175371][  T678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.175548][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.175724][  T678]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.175912][  T678]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.176088][  T678]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.176264][  T678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.176437][  T678]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.176618][  T678]  ? 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))
[   22.176791][  T678]  ? 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))
[   22.176980][  T678]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.177159][  T678]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.177332][  T678]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.177514][  T678]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.177689][  T678]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.177876][  T678]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.178055][  T678]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.178230][  T678]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.178404][  T678]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.178617][  T678]  ? move_addr_to_kernel (net/socket.c:258)
[   22.178796][  T678]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.178985][  T678]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.179161][  T678]  ___sys_sendmsg (net/socket.c:2752)
[   22.179334][  T678]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.179548][  T678]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.179737][  T678]  __sys_sendmsg (net/socket.c:2784)
[   22.179924][  T678]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.180097][  T678]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.180304][  T678]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.180487][  T678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.180666][  T678]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.180854][  T678]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.181029][  T678]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.181206][  T678]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.181409][  T678] RIP: 0033:0x7f058a14d08e
[   22.181598][  T678] 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
[   22.182104][  T678] RSP: 002b:00007ffdcb5b3cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.182342][  T678] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f058a14d08e
[   22.182584][  T678] RDX: 0000000000000000 RSI: 00007ffdcb5b3d70 RDI: 0000000000000005
[   22.182817][  T678] RBP: 00007ffdcb5b3cd0 R08: 0000000000000000 R09: 0000000000000000
[   22.183064][  T678] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b5
[   22.183303][  T678] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcb5b4440
| [   22.254680][   T68] ------------[ cut here ]------------
| [   22.254826][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   22.255073][   T68] Modules linked in: vxlan
| [   22.255473][   T68] Tainted: [W]=WARN
[   22.255564][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.255712][   T68] Workqueue: netns cleanup_net
[   22.255845][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.256001][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.256440][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   22.256595][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290d000 RCX: 1ff4000000092eed
[   22.256773][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290d0bc
[   22.256953][   T68] RBP: ff110000078c9000 R08: 1fe2200000521a19 R09: ff1100000915aed0
[   22.257130][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.257307][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.257493][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   22.257705][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.257861][   T68] CR2: 00007f58fd971574 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   22.258040][   T68] PKRU: 55555554
[   22.258130][   T68] Call Trace:
[   22.258219][   T68]  <TASK>
[   22.258284][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.258441][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.258595][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.258717][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.258845][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.258965][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.259087][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.259211][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.259331][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   22.259449][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.259574][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   22.259694][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.259818][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.259945][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.260064][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.260187][   T68]  process_one_work (kernel/workqueue.c:3314)
[   22.260311][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.260428][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.260558][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.260678][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.260797][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.260923][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.261042][   T68]  kthread (kernel/kthread.c:436)
[   22.261136][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.261284][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.261402][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.261532][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.261686][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.261806][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.261929][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.264178][   T68] ------------[ cut here ]------------
| [   22.264303][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   22.264541][   T68] Modules linked in: vxlan
| [   22.264944][   T68] Tainted: [W]=WARN
[   22.265034][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.265184][   T68] Workqueue: netns cleanup_net
[   22.265312][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.265474][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.265905][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   22.266060][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c787c40 RCX: 1ff4000000092eed
[   22.266237][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c787cfc
[   22.266413][   T68] RBP: ff1100000f739000 R08: 1fe22000018f0fa1 R09: ff1100000915aed0
[   22.266598][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.266776][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.266961][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   22.267169][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.267318][   T68] CR2: 00007f58fd971574 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   22.267510][   T68] PKRU: 55555554
[   22.267600][   T68] Call Trace:
[   22.267688][   T68]  <TASK>
[   22.267751][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.267984][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.268135][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.268255][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.268377][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.268502][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.268625][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.268748][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.268923][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   22.269040][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.269160][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   22.269281][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.269400][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.269525][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.269648][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.269769][   T68]  process_one_work (kernel/workqueue.c:3314)
[   22.269937][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.270103][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.270226][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.270348][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.270467][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.270594][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.270712][   T68]  kthread (kernel/kthread.c:436)
[   22.270801][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.271008][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.271128][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.271250][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.271397][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.271525][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.271645][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.276036][   T68] ------------[ cut here ]------------
| [   22.276171][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   22.276416][   T68] Modules linked in: vxlan
| [   22.276810][   T68] Tainted: [W]=WARN
[   22.277049][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.277201][   T68] Workqueue: netns cleanup_net
[   22.277331][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.277491][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.277922][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   22.278070][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d0fa900 RCX: 1ff4000000092eed
[   22.278249][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fa9bc
[   22.278424][   T68] RBP: ff11000004c49000 R08: 1fe2200001a1f539 R09: ff1100000915aed0
[   22.278605][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.278781][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.278968][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   22.279173][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.279322][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a005 CR4: 0000000000771ef0
[   22.279506][   T68] PKRU: 55555554
[   22.279594][   T68] Call Trace:
[   22.279681][   T68]  <TASK>
[   22.279745][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.279907][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.280054][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.280173][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.280292][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.280409][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.280534][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.280666][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.280789][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   22.280914][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.281034][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   22.281158][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.281277][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.281398][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.281521][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.281642][   T68]  process_one_work (kernel/workqueue.c:3314)
[   22.281766][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.281890][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.282013][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.282132][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.282250][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.282371][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.282498][   T68]  kthread (kernel/kthread.c:436)
[   22.282588][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.282743][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.282866][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.282987][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.283196][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.283363][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.283542][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.286003][   T68] ------------[ cut here ]------------
| [   22.286125][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   22.286363][   T68] Modules linked in: vxlan
| [   22.286766][   T68] Tainted: [W]=WARN
[   22.287516][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.287671][   T68] Workqueue: netns cleanup_net
[   22.287803][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.288055][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.288482][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   22.288632][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d0fa580 RCX: 1ff4000000092eed
[   22.288807][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fa63c
[   22.289077][   T68] RBP: ff1100000f5a9000 R08: 1fe2200001a1f4c9 R09: ff1100000915aed0
[   22.289255][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.289433][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.289620][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   22.289879][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.290029][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a005 CR4: 0000000000771ef0
[   22.290208][   T68] PKRU: 55555554
[   22.290302][   T68] Call Trace:
[   22.290391][   T68]  <TASK>
[   22.290454][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.290613][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.290762][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.290929][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.291050][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.291168][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.291290][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.291410][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.291537][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   22.291655][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.291777][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   22.291963][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.292079][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.292198][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.292317][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.292435][   T68]  process_one_work (kernel/workqueue.c:3314)
[   22.292562][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.292680][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.292804][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.293008][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.293128][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.293249][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.293367][   T68]  kthread (kernel/kthread.c:436)
[   22.293460][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.293617][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.293737][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.293867][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.294015][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.294137][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.294256][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.296234][   T68] ------------[ cut here ]------------
| [   22.296352][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   22.296591][   T68] Modules linked in: vxlan
| [   22.297514][   T68] Tainted: [W]=WARN
[   22.297605][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.297805][   T68] Workqueue: netns cleanup_net
[   22.297977][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.298132][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.298559][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   22.298708][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d0fa200 RCX: 1ff4000000092eed
[   22.298931][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fa2bc
[   22.299107][   T68] RBP: ff1100000fd44000 R08: 1fe2200001a1f459 R09: ff1100000915aed0
[   22.299282][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.299457][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.299649][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   22.299941][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.300150][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a005 CR4: 0000000000771ef0
[   22.300331][   T68] PKRU: 55555554
[   22.300420][   T68] Call Trace:
[   22.300513][   T68]  <TASK>
[   22.300576][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.300727][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.300987][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   22.301159][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   22.301336][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.301519][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   22.301691][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.301817][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   22.302055][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   22.302225][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.302584][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   22.302774][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.302978][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.303148][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.303302][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.303476][   T68]  process_one_work (kernel/workqueue.c:3314)
[   22.303607][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.303728][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.303901][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.304022][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.304140][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.304260][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.304376][   T68]  kthread (kernel/kthread.c:436)
[   22.304465][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.304624][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.304796][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.305044][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.305260][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.305434][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.305584][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.326058][   T68] ------------[ cut here ]------------
| [   22.326199][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   22.326446][   T68] Modules linked in: vxlan
| [   22.326883][   T68] Tainted: [W]=WARN
[   22.326978][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.327134][   T68] Workqueue: netns cleanup_net
[   22.327265][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.327429][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.327889][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   22.328052][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c787540 RCX: 1ff4000000092eaf
[   22.328237][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7875fc
[   22.328496][   T68] RBP: ff11000009bec000 R08: 1fe22000018f0ec1 R09: ff1100000915aed0
[   22.328705][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   22.328901][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   22.329088][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   22.329312][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.329477][   T68] CR2: 00007f58fd971574 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   22.329667][   T68] PKRU: 55555554
[   22.329762][   T68] Call Trace:
[   22.329861][   T68]  <TASK>
[   22.329926][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.330052][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.330148][   T68]  netif_close_many (net/core/dev.c:1804)
[   22.330273][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.330397][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.330528][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.330653][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   22.330778][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   22.330944][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   22.331100][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   22.331224][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.331349][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   22.331479][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.331638][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.331766][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.331896][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.332021][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.332144][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.332271][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.332396][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   22.332525][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.332652][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   22.332777][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.332907][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.333033][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.333158][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.333285][   T68]  process_one_work (kernel/workqueue.c:3314)
[   22.333412][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.333543][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.333672][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.333799][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.333927][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.334052][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.334177][   T68]  kthread (kernel/kthread.c:436)
[   22.334270][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.334423][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.334556][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.334680][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.334842][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.334966][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.335091][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.337294][   T68] ------------[ cut here ]------------
| [   22.337421][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   22.337673][   T68] Modules linked in: vxlan
| [   22.338553][   T68] Tainted: [W]=WARN
[   22.338647][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.338798][   T68] Workqueue: netns cleanup_net
[   22.338992][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.339148][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.339590][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   22.339740][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c786740 RCX: 1ff4000000092ed5
[   22.339969][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7867fc
[   22.340147][   T68] RBP: ff11000009bec000 R08: 1fe22000018f0d01 R09: ff1100000915aed0
[   22.340326][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.340511][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   22.340697][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   22.340985][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.341136][   T68] CR2: 00007f58fd971574 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   22.341321][   T68] PKRU: 55555554
[   22.341410][   T68] Call Trace:
[   22.341511][   T68]  <TASK>
[   22.341574][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.341733][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   22.341933][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.342069][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.342191][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   22.342311][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   22.342434][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   22.342563][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.342688][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   22.342809][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.343001][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   22.343123][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.343245][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   22.343368][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.343495][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.343617][   T68]  process_one_work (kernel/workqueue.c:3314)
[   22.343740][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   22.343927][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.344053][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.344175][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.344297][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.344428][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   22.344554][   T68]  kthread (kernel/kthread.c:436)
[   22.344649][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.344872][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.344993][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.345114][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   22.345265][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.345385][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   22.345512][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.474550][  T689] ------------[ cut here ]------------
| [   22.474761][  T689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/689
| [   22.475060][  T689] Modules linked in: vxlan
| [   22.475579][  T689] Tainted: [W]=WARN
[   22.475726][  T689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.475954][  T689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.476175][  T689] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.476702][  T689] RSP: 0018:ffa0000001587a80 EFLAGS: 00010286
[   22.476933][  T689] RAX: 00000000ffffffa6 RBX: ff1100000c32c900 RCX: 1ff40000002b0f16
[   22.477182][  T689] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32c9bc
[   22.477426][  T689] RBP: ff1100000aaa4000 R08: 1fe2200001865939 R09: ff110000096ed180
[   22.477680][  T689] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.477937][  T689] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aaa4000
[   22.478187][  T689] FS:  00007f80f146b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   22.478479][  T689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.478695][  T689] CR2: 00007f80f166cc20 CR3: 000000000fc9e005 CR4: 0000000000771ef0
[   22.478958][  T689] PKRU: 55555554
[   22.479103][  T689] Call Trace:
[   22.479250][  T689]  <TASK>
[   22.479366][  T689]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.479554][  T689]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.479740][  T689]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.479905][  T689]  register_netdevice (net/core/dev.c:11488)
[   22.480089][  T689]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.480304][  T689]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.480492][  T689]  register_netdev (net/core/dev.c:11552)
[   22.480674][  T689]  loopback_net_init (drivers/net/loopback.c:218)
[   22.480868][  T689]  ops_init (net/core/net_namespace.c:137)
[   22.481018][  T689]  setup_net (net/core/net_namespace.c:446)
[   22.481166][  T689]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.481344][  T689]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.481534][  T689]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.481721][  T689]  copy_net_ns (net/core/net_namespace.c:579)
[   22.481916][  T689]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.482100][  T689]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.482281][  T689]  ksys_unshare (kernel/fork.c:3243)
[   22.482461][  T689]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.482650][  T689]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.482847][  T689]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.483032][  T689]  ? __ia32_sys_open (fs/open.c:1374)
[   22.483214][  T689]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.483393][  T689]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.483579][  T689]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.483760][  T689]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.483956][  T689]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.484139][  T689]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.484350][  T689] RIP: 0033:0x7f80f172dbcb
[   22.484544][  T689] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.485073][  T689] RSP: 002b:00007fff2bb2f5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.485320][  T689] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f80f172dbcb
[   22.485571][  T689] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.485815][  T689] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.486076][  T689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2bb317d0
[   22.486318][  T689] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2bb3388c
| [   22.497559][  T689] ------------[ cut here ]------------
| [   22.497752][  T689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/689
| [   22.498556][  T689] Modules linked in: vxlan
| [   22.499177][  T689] Tainted: [W]=WARN
[   22.499379][  T689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.499654][  T689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.499946][  T689] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.500534][  T689] RSP: 0018:ffa0000001587918 EFLAGS: 00010286
[   22.500804][  T689] RAX: 00000000ffffffa6 RBX: ff1100000cb82ac0 RCX: 1ff40000002b0ee9
[   22.501116][  T689] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb82b7c
[   22.501416][  T689] RBP: ff1100000f079000 R08: 1fe2200001970571 R09: ff110000096ed180
[   22.501722][  T689] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.502030][  T689] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f079000
[   22.502329][  T689] FS:  00007f80f146b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   22.502670][  T689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.502951][  T689] CR2: 00007f80f166cc20 CR3: 000000000fc9e005 CR4: 0000000000771ef0
[   22.503254][  T689] PKRU: 55555554
[   22.503453][  T689] Call Trace:
[   22.503658][  T689]  <TASK>
[   22.503840][  T689]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.504074][  T689]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.504312][  T689]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.504520][  T689]  register_netdevice (net/core/dev.c:11488)
[   22.504756][  T689]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.505035][  T689]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.505269][  T689]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.505511][  T689]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.505723][  T689]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.505913][  T689]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.506094][  T689]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.506276][  T689]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   22.506459][  T689]  ops_init (net/core/net_namespace.c:137)
[   22.506619][  T689]  setup_net (net/core/net_namespace.c:446)
[   22.506767][  T689]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.506960][  T689]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.507142][  T689]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.507325][  T689]  copy_net_ns (net/core/net_namespace.c:579)
[   22.507513][  T689]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.507697][  T689]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.507890][  T689]  ksys_unshare (kernel/fork.c:3243)
[   22.508070][  T689]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.508250][  T689]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.508428][  T689]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.508617][  T689]  ? __ia32_sys_open (fs/open.c:1374)
[   22.508797][  T689]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.508988][  T689]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.509168][  T689]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.509346][  T689]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.509534][  T689]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.509716][  T689]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.509940][  T689] RIP: 0033:0x7f80f172dbcb
[   22.510125][  T689] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.510643][  T689] RSP: 002b:00007fff2bb2f5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.510904][  T689] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f80f172dbcb
[   22.511147][  T689] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.511390][  T689] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.511644][  T689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2bb317d0
[   22.511902][  T689] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2bb3388c
| [   22.516727][  T689] ------------[ cut here ]------------
| [   22.516886][  T689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/689
| [   22.517123][  T689] Modules linked in: vxlan
| [   22.517538][  T689] Tainted: [W]=WARN
[   22.517640][  T689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.517806][  T689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.517987][  T689] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.518466][  T689] RSP: 0018:ffa00000015878f8 EFLAGS: 00010286
[   22.518638][  T689] RAX: 00000000ffffffa6 RBX: ff1100000b3b7700 RCX: 1ff40000002b0ee5
[   22.518842][  T689] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b77bc
[   22.519047][  T689] RBP: ff1100000f891000 R08: 1fe2200001676ef9 R09: ff110000096ed180
[   22.519247][  T689] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.519445][  T689] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f891000
[   22.519651][  T689] FS:  00007f80f146b840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   22.519890][  T689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.520057][  T689] CR2: 00007fbb87b2c574 CR3: 000000000fc9e005 CR4: 0000000000771ef0
[   22.520258][  T689] PKRU: 55555554
[   22.520357][  T689] Call Trace:
[   22.520456][  T689]  <TASK>
[   22.520530][  T689]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.520664][  T689]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.520798][  T689]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.520903][  T689]  register_netdevice (net/core/dev.c:11488)
[   22.521039][  T689]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.521208][  T689]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.521342][  T689]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.521480][  T689]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.521612][  T689]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.521748][  T689]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.521888][  T689]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.522023][  T689]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   22.522157][  T689]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.522292][  T689]  vti_init_net (net/ipv4/ip_vti.c:517)
[   22.522427][  T689]  ops_init (net/core/net_namespace.c:137)
[   22.522532][  T689]  setup_net (net/core/net_namespace.c:446)
[   22.522631][  T689]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.522765][  T689]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.522902][  T689]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.523038][  T689]  copy_net_ns (net/core/net_namespace.c:579)
[   22.523170][  T689]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.523306][  T689]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.523440][  T689]  ksys_unshare (kernel/fork.c:3243)
[   22.523578][  T689]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.523712][  T689]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.523849][  T689]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.523983][  T689]  ? __ia32_sys_open (fs/open.c:1374)
[   22.524118][  T689]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.524251][  T689]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.524383][  T689]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.524519][  T689]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.524652][  T689]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.524785][  T689]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.524956][  T689] RIP: 0033:0x7f80f172dbcb
[   22.525097][  T689] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.525577][  T689] RSP: 002b:00007fff2bb2f5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.525780][  T689] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f80f172dbcb
[   22.525986][  T689] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.526184][  T689] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.526382][  T689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2bb317d0
[   22.526587][  T689] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2bb3388c
| [   22.530741][  T689] ------------[ cut here ]------------
| [   22.530954][  T689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/689
| [   22.531182][  T689] Modules linked in: vxlan
| [   22.531587][  T689] Tainted: [W]=WARN
[   22.531686][  T689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.531857][  T689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.532029][  T689] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.532500][  T689] RSP: 0018:ffa0000001587a78 EFLAGS: 00010286
[   22.532665][  T689] RAX: 00000000ffffffa6 RBX: ff1100000c937540 RCX: 1ff40000002b0f15
[   22.532867][  T689] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9375fc
[   22.533063][  T689] RBP: ff1100000f184000 R08: 1fe2200001926ec1 R09: ff110000096ed180
[   22.533260][  T689] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.533459][  T689] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f184000
[   22.533663][  T689] FS:  00007f80f146b840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   22.533898][  T689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.534063][  T689] CR2: 00007fbb87b2c574 CR3: 000000000fc9e005 CR4: 0000000000771ef0
[   22.534261][  T689] PKRU: 55555554
[   22.534362][  T689] Call Trace:
[   22.534461][  T689]  <TASK>
[   22.534532][  T689]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.534663][  T689]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.534794][  T689]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.534898][  T689]  register_netdevice (net/core/dev.c:11488)
[   22.535032][  T689]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.535195][  T689]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.535331][  T689]  register_netdev (net/core/dev.c:11552)
[   22.535463][  T689]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   22.535602][  T689]  ops_init (net/core/net_namespace.c:137)
[   22.535704][  T689]  setup_net (net/core/net_namespace.c:446)
[   22.535803][  T689]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.535939][  T689]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.536072][  T689]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.536207][  T689]  copy_net_ns (net/core/net_namespace.c:579)
[   22.536339][  T689]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.536477][  T689]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.536609][  T689]  ksys_unshare (kernel/fork.c:3243)
[   22.536740][  T689]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.536878][  T689]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.537010][  T689]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.537143][  T689]  ? __ia32_sys_open (fs/open.c:1374)
[   22.537275][  T689]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.537405][  T689]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.537542][  T689]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.537672][  T689]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.537805][  T689]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.537943][  T689]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.538105][  T689] RIP: 0033:0x7f80f172dbcb
[   22.538243][  T689] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.538712][  T689] RSP: 002b:00007fff2bb2f5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.538913][  T689] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f80f172dbcb
[   22.539109][  T689] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.539306][  T689] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.539506][  T689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2bb317d0
[   22.539703][  T689] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2bb3388c
| [   22.543794][  T689] ------------[ cut here ]------------
| [   22.543935][  T689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/689
| [   22.544164][  T689] Modules linked in: vxlan
| [   22.544568][  T689] Tainted: [W]=WARN
[   22.544666][  T689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.544834][  T689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.545006][  T689] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.545479][  T689] RSP: 0018:ffa0000001587a68 EFLAGS: 00010286
[   22.545646][  T689] RAX: 00000000ffffffa6 RBX: ff1100000c936580 RCX: 1ff40000002b0f13
[   22.545847][  T689] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c93663c
[   22.546046][  T689] RBP: ff11000004ea4000 R08: 1fe2200001926cc9 R09: ff110000096ed180
[   22.546242][  T689] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.546438][  T689] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004ea4000
[   22.546640][  T689] FS:  00007f80f146b840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   22.546877][  T689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.547042][  T689] CR2: 00007fbb87b2c574 CR3: 000000000fc9e005 CR4: 0000000000771ef0
[   22.547240][  T689] PKRU: 55555554
[   22.547338][  T689] Call Trace:
[   22.547434][  T689]  <TASK>
[   22.547507][  T689]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.547639][  T689]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.547772][  T689]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.547877][  T689]  register_netdevice (net/core/dev.c:11488)
[   22.548009][  T689]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.548176][  T689]  register_netdev (net/core/dev.c:11552)
[   22.548306][  T689]  sit_init_net (net/ipv6/sit.c:1860)
[   22.548441][  T689]  ops_init (net/core/net_namespace.c:137)
[   22.548548][  T689]  setup_net (net/core/net_namespace.c:446)
[   22.548647][  T689]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.548779][  T689]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.548916][  T689]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.549048][  T689]  copy_net_ns (net/core/net_namespace.c:579)
[   22.549181][  T689]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.549314][  T689]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.549444][  T689]  ksys_unshare (kernel/fork.c:3243)
[   22.549580][  T689]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.549711][  T689]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.549846][  T689]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.549978][  T689]  ? __ia32_sys_open (fs/open.c:1374)
[   22.550110][  T689]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.550240][  T689]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.550372][  T689]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.550505][  T689]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.550638][  T689]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.550769][  T689]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.550934][  T689] RIP: 0033:0x7f80f172dbcb
[   22.551069][  T689] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.551538][  T689] RSP: 002b:00007fff2bb2f5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.551736][  T689] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f80f172dbcb
[   22.551942][  T689] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.552138][  T689] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.552336][  T689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2bb317d0
[   22.552535][  T689] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2bb3388c
| [   22.565227][  T689] ------------[ cut here ]------------
| [   22.565379][  T689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/689
| [   22.565618][  T689] Modules linked in: vxlan
| [   22.566034][  T689] Tainted: [W]=WARN
[   22.566136][  T689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.566303][  T689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.566480][  T689] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.566962][  T689] RSP: 0018:ffa0000001587a78 EFLAGS: 00010286
[   22.567130][  T689] RAX: 00000000ffffffa6 RBX: ff1100000ceb0580 RCX: 1ff40000002b0f15
[   22.567328][  T689] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceb063c
[   22.567530][  T689] RBP: ff1100000a96c000 R08: 1fe22000019d60c9 R09: ff110000096ed180
[   22.567728][  T689] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.567935][  T689] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a96c000
[   22.568136][  T689] FS:  00007f80f146b840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   22.568368][  T689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.568540][  T689] CR2: 000055bc7d569d5c CR3: 000000000fc9e003 CR4: 0000000000771ef0
[   22.568739][  T689] PKRU: 55555554
[   22.568846][  T689] Call Trace:
[   22.568946][  T689]  <TASK>
[   22.569014][  T689]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.569149][  T689]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.569281][  T689]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.569381][  T689]  register_netdevice (net/core/dev.c:11488)
[   22.569519][  T689]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.569683][  T689]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.569825][  T689]  register_netdev (net/core/dev.c:11552)
[   22.569957][  T689]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   22.570089][  T689]  ops_init (net/core/net_namespace.c:137)
[   22.570191][  T689]  setup_net (net/core/net_namespace.c:446)
[   22.570292][  T689]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.570423][  T689]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.570559][  T689]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.570695][  T689]  copy_net_ns (net/core/net_namespace.c:579)
[   22.570833][  T689]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.570967][  T689]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.571100][  T689]  ksys_unshare (kernel/fork.c:3243)
[   22.571233][  T689]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.571364][  T689]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.571498][  T689]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.571631][  T689]  ? __ia32_sys_open (fs/open.c:1374)
[   22.571766][  T689]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.571901][  T689]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.572032][  T689]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.572163][  T689]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.572294][  T689]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.572427][  T689]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.572593][  T689] RIP: 0033:0x7f80f172dbcb
[   22.572731][  T689] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.573198][  T689] RSP: 002b:00007fff2bb2f5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.573397][  T689] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f80f172dbcb
[   22.573598][  T689] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.573792][  T689] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.573994][  T689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2bb317d0
[   22.574190][  T689] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff2bb3388c
| [   22.605167][  T690] ------------[ cut here ]------------
| [   22.605352][  T690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/690
| [   22.605634][  T690] Modules linked in: vxlan
| [   22.606623][  T690] Tainted: [W]=WARN
[   22.606768][  T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.606990][  T690] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.607206][  T690] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.607723][  T690] RSP: 0018:ffa0000001587020 EFLAGS: 00010286
[   22.607947][  T690] RAX: 00000000ffffffa6 RBX: ff1100000cb82200 RCX: 1ff40000002b0dca
[   22.608187][  T690] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb822bc
[   22.608427][  T690] RBP: ff1100000aaa4000 R08: 1fe2200001970459 R09: ff110000021ed158
[   22.608680][  T690] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   22.608932][  T690] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.609177][  T690] FS:  00007faa4ea4e840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   22.609453][  T690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.609674][  T690] CR2: 0000000023646988 CR3: 000000000b5c5002 CR4: 0000000000771ef0
[   22.609930][  T690] PKRU: 55555554
[   22.610075][  T690] Call Trace:
[   22.610219][  T690]  <TASK>
[   22.610333][  T690]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.610521][  T690]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.610668][  T690]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.610858][  T690]  __dev_notify_flags (net/core/dev.c:9787)
[   22.611043][  T690]  ? netif_change_name (net/core/dev.c:1495)
[   22.611221][  T690]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.611400][  T690]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.611582][  T690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.611762][  T690]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   22.611956][  T690]  netif_change_flags (net/core/dev.c:9820)
[   22.612137][  T690]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.612318][  T690]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.612506][  T690]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.612684][  T690]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.612906][  T690]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.613085][  T690]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.613264][  T690]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.613445][  T690]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.613633][  T690]  ? __kernel_text_address (kernel/extable.c:79)
[   22.613812][  T690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.614006][  T690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.614184][  T690]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.614363][  T690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.614551][  T690]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.614732][  T690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.614922][  T690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.615102][  T690]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.615280][  T690]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   22.615458][  T690]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.615648][  T690]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.615841][  T690]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.616022][  T690]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.616206][  T690]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.616387][  T690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.616571][  T690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.616753][  T690]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.616940][  T690]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.617118][  T690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.617298][  T690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.617483][  T690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.617667][  T690]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.617863][  T690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.618041][  T690]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.618219][  T690]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.618397][  T690]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.618582][  T690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.618759][  T690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.618955][  T690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.619135][  T690]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.619312][  T690]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.619496][  T690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.619676][  T690]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.619871][  T690]  ? 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))
[   22.620050][  T690]  ? 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))
[   22.620231][  T690]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.620413][  T690]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.620604][  T690]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.620786][  T690]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.620975][  T690]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.621154][  T690]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.621337][  T690]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.621521][  T690]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.621700][  T690]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.621925][  T690]  ? move_addr_to_kernel (net/socket.c:258)
[   22.622105][  T690]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.622284][  T690]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.622464][  T690]  ___sys_sendmsg (net/socket.c:2752)
[   22.622649][  T690]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.622873][  T690]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.623067][  T690]  __sys_sendmsg (net/socket.c:2784)
[   22.623246][  T690]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.623423][  T690]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.623642][  T690]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.623834][  T690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.624014][  T690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.624193][  T690]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.624370][  T690]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.624559][  T690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.624771][  T690] RIP: 0033:0x7faa4ec8808e
[   22.624966][  T690] 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
[   22.625479][  T690] RSP: 002b:00007fff6453f840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.625725][  T690] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faa4ec8808e
[   22.625981][  T690] RDX: 0000000000000000 RSI: 00007fff6453f8f0 RDI: 0000000000000005
[   22.626223][  T690] RBP: 00007fff6453f850 R08: 0000000000000000 R09: 0000000000000000
[   22.626467][  T690] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b5
[   22.626718][  T690] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6453ffc0
| [   22.738313][  T693] ------------[ cut here ]------------
| [   22.738528][  T693] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/693
| [   22.738840][  T693] Modules linked in: vxlan
| [   22.739370][  T693] Tainted: [W]=WARN
[   22.739534][  T693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.739760][  T693] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.740004][  T693] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.740568][  T693] RSP: 0018:ffa0000001796fd0 EFLAGS: 00010286
[   22.740794][  T693] RAX: 00000000ffffffa6 RBX: ff1100000c936040 RCX: 1ff40000002f2dc0
[   22.741752][  T693] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9360fc
[   22.742100][  T693] RBP: ff1100000598a000 R08: 1fe2200001926c21 R09: ff11000004ddae80
[   22.742529][  T693] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.742885][  T693] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000598ae44
[   22.743140][  T693] FS:  00007faeb31d0840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   22.743434][  T693] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.743666][  T693] CR2: 00007faeb33c9460 CR3: 0000000009617004 CR4: 0000000000771ef0
[   22.743938][  T693] PKRU: 55555554
[   22.744092][  T693] Call Trace:
[   22.744244][  T693]  <TASK>
[   22.744364][  T693]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.744563][  T693]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   22.744758][  T693]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.744927][  T693]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   22.745119][  T693]  __dev_notify_flags (net/core/dev.c:9787)
[   22.745308][  T693]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.745505][  T693]  ? netif_change_name (net/core/dev.c:1495)
[   22.745695][  T693]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   22.745899][  T693]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.746089][  T693] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   22.746286][  T693]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   22.746487][  T693] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   22.746680][  T693]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   22.746887][  T693]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   22.747076][  T693]  ? nla_strscpy (lib/nlattr.c:795)
[   22.747269][  T693]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   22.747461][  T693]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.747670][  T693]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.747870][  T693]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.748064][  T693]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.748256][  T693]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.748445][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.748641][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.748841][  T693]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.749027][  T693]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.749216][  T693]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.749408][  T693]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.749605][  T693]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.749799][  T693]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.750000][  T693]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.750190][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.750378][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.750576][  T693]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.750768][  T693]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.750971][  T693]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.751161][  T693]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.751351][  T693]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.751549][  T693]  ? 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))
[   22.751736][  T693]  ? 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))
[   22.751942][  T693]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.752136][  T693]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.752324][  T693]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.752520][  T693]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.752709][  T693]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.752910][  T693]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.753101][  T693]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.753290][  T693]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.753485][  T693]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.753710][  T693]  ? move_addr_to_kernel (net/socket.c:258)
[   22.753912][  T693]  ___sys_sendmsg (net/socket.c:2752)
[   22.754101][  T693]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.754288][  T693]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.754492][  T693]  ? 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))
[   22.754683][  T693]  __sys_sendmsg (net/socket.c:2784)
[   22.754887][  T693]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.755080][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.755266][  T693]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.755453][  T693]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.755651][  T693]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.755850][  T693]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.756039][  T693]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.756260][  T693] RIP: 0033:0x7faeb340a08e
[   22.756454][  T693] 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
[   22.757024][  T693] RSP: 002b:00007fff6ff44c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.757283][  T693] RAX: ffffffffffffffda RBX: 00007fff6ff45430 RCX: 00007faeb340a08e
[   22.757551][  T693] RDX: 0000000000000000 RSI: 00007fff6ff44d30 RDI: 0000000000000005
[   22.757808][  T693] RBP: 00007fff6ff44c90 R08: 0000000000000000 R09: 0000000000000000
[   22.758077][  T693] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b5
[   22.758333][  T693] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6ff45400
| [   22.787441][  T694] ------------[ cut here ]------------
| [   22.787647][  T694] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/694
| [   22.788776][  T694] Modules linked in: vxlan
| [   22.789326][  T694] Tainted: [W]=WARN
[   22.789490][  T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.789717][  T694] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.789960][  T694] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.790523][  T694] RSP: 0018:ffa00000017a6fd0 EFLAGS: 00010286
[   22.790750][  T694] RAX: 00000000ffffffa6 RBX: ff1100000fefa040 RCX: 1ff40000002f4dc0
[   22.791021][  T694] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa0fc
[   22.791277][  T694] RBP: ff1100000f362000 R08: 1fe2200001fdf421 R09: ff11000004dd8b80
[   22.791541][  T694] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.791801][  T694] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f362e44
[   22.792074][  T694] FS:  00007f60a661f840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   22.792368][  T694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.792602][  T694] CR2: 00007f60a6818460 CR3: 00000000056cd006 CR4: 0000000000771ef0
[   22.792874][  T694] PKRU: 55555554
[   22.793029][  T694] Call Trace:
[   22.793182][  T694]  <TASK>
[   22.793301][  T694]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.793497][  T694]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   22.793694][  T694]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.793862][  T694]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   22.794054][  T694]  __dev_notify_flags (net/core/dev.c:9787)
[   22.794248][  T694]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.794437][  T694]  ? netif_change_name (net/core/dev.c:1495)
[   22.794631][  T694]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   22.794837][  T694]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.795027][  T694] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   22.795223][  T694]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   22.795416][  T694] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   22.795625][  T694]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   22.795835][  T694]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   22.796026][  T694]  ? nla_strscpy (lib/nlattr.c:795)
[   22.796220][  T694]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   22.796411][  T694]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.796607][  T694]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.796795][  T694]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.797006][  T694]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.797201][  T694]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.797392][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.797601][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.797790][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.797990][  T694]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.798179][  T694]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.798371][  T694]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.798571][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.798762][  T694]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.798964][  T694]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.799152][  T694]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.799341][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.799539][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.799727][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.799932][  T694]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.800121][  T694]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.800311][  T694]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.800510][  T694]  ? 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))
[   22.800697][  T694]  ? 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))
[   22.800901][  T694]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.801092][  T694]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.801313][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.801512][  T694]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.801704][  T694]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.801908][  T694]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.802097][  T694]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.802286][  T694]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.802480][  T694]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.802706][  T694]  ? move_addr_to_kernel (net/socket.c:258)
[   22.802913][  T694]  ___sys_sendmsg (net/socket.c:2752)
[   22.803101][  T694]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.803290][  T694]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.803495][  T694]  ? 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))
[   22.803688][  T694]  __sys_sendmsg (net/socket.c:2784)
[   22.803890][  T694]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.804082][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.804276][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.804465][  T694]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.804662][  T694]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.804864][  T694]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.805055][  T694]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.805277][  T694] RIP: 0033:0x7f60a685908e
[   22.805481][  T694] 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
[   22.806045][  T694] RSP: 002b:00007ffc3ec964c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.806305][  T694] RAX: ffffffffffffffda RBX: 00007ffc3ec96c70 RCX: 00007f60a685908e
[   22.806572][  T694] RDX: 0000000000000000 RSI: 00007ffc3ec96570 RDI: 0000000000000005
[   22.806845][  T694] RBP: 00007ffc3ec964d0 R08: 0000000000000000 R09: 0000000000000000
[   22.807104][  T694] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b6
[   22.807361][  T694] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3ec96c40
| [   22.848507][  T695] ------------[ cut here ]------------
| [   22.848699][  T695] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/695
| [   22.848996][  T695] Modules linked in: vxlan
| [   22.849513][  T695] Tainted: [W]=WARN
[   22.849662][  T695] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.849890][  T695] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.850114][  T695] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.850648][  T695] RSP: 0018:ffa00000017b71b0 EFLAGS: 00010286
[   22.850876][  T695] RAX: 00000000ffffffa6 RBX: ff1100000bc10c80 RCX: 1ff40000002f6dfc
[   22.851126][  T695] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc10d3c
[   22.851374][  T695] RBP: ff1100000f41a000 R08: 1fe22000017821a9 R09: ff1100000fc2ae80
[   22.851630][  T695] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.851892][  T695] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   22.852145][  T695] FS:  00007f50e1602840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   22.852432][  T695] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.852658][  T695] CR2: 00007f50e17fb460 CR3: 0000000009452003 CR4: 0000000000771ef0
[   22.852925][  T695] PKRU: 55555554
[   22.853075][  T695] Call Trace:
[   22.853222][  T695]  <TASK>
[   22.853339][  T695]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.853531][  T695]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.853685][  T695]  __dev_notify_flags (net/core/dev.c:9787)
[   22.853883][  T695]  ? netif_change_name (net/core/dev.c:1495)
[   22.854071][  T695]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.854286][  T695]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.854479][  T695]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.854661][  T695]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   22.854858][  T695]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.855043][  T695]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.855225][  T695]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.855410][  T695]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.855609][  T695]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.855799][  T695]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.855996][  T695]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.856179][  T695]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.856360][  T695]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.856548][  T695]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.856729][  T695]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.856932][  T695]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.857116][  T695]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.857299][  T695]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.857489][  T695]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.857672][  T695]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.857867][  T695]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.858052][  T695]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.858236][  T695]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.858420][  T695]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.858610][  T695]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.858795][  T695]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.858995][  T695]  ? 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))
[   22.859177][  T695]  ? 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))
[   22.859361][  T695]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.859553][  T695]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.859738][  T695]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.859934][  T695]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.860120][  T695]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.860303][  T695]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.860495][  T695]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.860679][  T695]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.860874][  T695]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.861091][  T695]  ? move_addr_to_kernel (net/socket.c:258)
[   22.861279][  T695]  ___sys_sendmsg (net/socket.c:2752)
[   22.861461][  T695]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.861653][  T695]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.861857][  T695]  ? 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))
[   22.862043][  T695]  __sys_sendmsg (net/socket.c:2784)
[   22.862226][  T695]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.862416][  T695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.862608][  T695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.862792][  T695]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.862988][  T695]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.863169][  T695]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.863354][  T695]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.863576][  T695] RIP: 0033:0x7f50e183c08e
[   22.863764][  T695] 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
[   22.864301][  T695] RSP: 002b:00007ffd5e852750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.864558][  T695] RAX: ffffffffffffffda RBX: 00007ffd5e852ef8 RCX: 00007f50e183c08e
[   22.864808][  T695] RDX: 0000000000000000 RSI: 00007ffd5e852800 RDI: 0000000000000005
[   22.865068][  T695] RBP: 00007ffd5e852760 R08: 0000000000000000 R09: 0000000000000000
[   22.865314][  T695] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b6
[   22.865570][  T695] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5e852ed0
| [   22.898944][  T696] ------------[ cut here ]------------
| [   22.899097][  T696] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/696
| [   22.899333][  T696] Modules linked in: vxlan
| [   22.899758][  T696] Tainted: [W]=WARN
[   22.899865][  T696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.900032][  T696] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.900210][  T696] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.900694][  T696] RSP: 0018:ffa00000017c71b0 EFLAGS: 00010286
[   22.900869][  T696] RAX: 00000000ffffffa6 RBX: ff1100000b539700 RCX: 1ff40000002f8dfc
[   22.901071][  T696] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5397bc
[   22.901270][  T696] RBP: ff1100000fbd2000 R08: 1fe22000016a72f9 R09: ff1100000fc28b80
[   22.901476][  T696] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.901677][  T696] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   22.901886][  T696] FS:  00007f8ed6604840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   22.902122][  T696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.902291][  T696] CR2: 00007f8ed67fd460 CR3: 000000000e4f7001 CR4: 0000000000771ef0
[   22.902497][  T696] PKRU: 55555554
[   22.902599][  T696] Call Trace:
[   22.902699][  T696]  <TASK>
[   22.902770][  T696]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.902913][  T696]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.903016][  T696]  __dev_notify_flags (net/core/dev.c:9787)
[   22.903152][  T696]  ? netif_change_name (net/core/dev.c:1495)
[   22.903287][  T696]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.903454][  T696]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.903597][  T696]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.903732][  T696]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   22.904128][  T696]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.904265][  T696]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.904400][  T696]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.904540][  T696]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.904681][  T696]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.904819][  T696]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.904960][  T696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.905093][  T696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.905226][  T696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.905360][  T696]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.905500][  T696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.905638][  T696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.905773][  T696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.905912][  T696]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.906048][  T696]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.906180][  T696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.906314][  T696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.906449][  T696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.906590][  T696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.906726][  T696]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.906866][  T696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.907001][  T696]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.907137][  T696]  ? 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))
[   22.907270][  T696]  ? 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))
[   22.907406][  T696]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.907545][  T696]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.907679][  T696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.907813][  T696]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.907952][  T696]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.908089][  T696]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.908224][  T696]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.908357][  T696]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.908496][  T696]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.908664][  T696]  ? move_addr_to_kernel (net/socket.c:258)
[   22.908802][  T696]  ___sys_sendmsg (net/socket.c:2752)
[   22.908941][  T696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.909073][  T696]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.909215][  T696]  ? 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))
[   22.909351][  T696]  __sys_sendmsg (net/socket.c:2784)
[   22.909488][  T696]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.909628][  T696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.909763][  T696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.909902][  T696]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.910037][  T696]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.910173][  T696]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.910309][  T696]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.910479][  T696] RIP: 0033:0x7f8ed683e08e
[   22.910622][  T696] 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
[   22.911106][  T696] RSP: 002b:00007ffd6a8111d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.911311][  T696] RAX: ffffffffffffffda RBX: 00007ffd6a811978 RCX: 00007f8ed683e08e
[   22.911514][  T696] RDX: 0000000000000000 RSI: 00007ffd6a811280 RDI: 0000000000000005
[   22.911719][  T696] RBP: 00007ffd6a8111e0 R08: 0000000000000000 R09: 0000000000000000
[   22.911925][  T696] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b6
[   22.912124][  T696] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6a811950
| [   23.395784][  T725] ------------[ cut here ]------------
| [   23.396100][  T725] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/725
| [   23.396339][  T725] Modules linked in: vxlan
| [   23.396747][  T725] Tainted: [W]=WARN
[   23.396920][  T725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.397083][  T725] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.397248][  T725] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.397757][  T725] RSP: 0018:ffa0000001747190 EFLAGS: 00010286
[   23.397970][  T725] RAX: 00000000ffffffa6 RBX: ff1100000cd8a740 RCX: 1ff40000002e8df8
[   23.398156][  T725] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8a7fc
[   23.398350][  T725] RBP: ff1100000fbd2000 R08: 1fe22000019b1501 R09: ff1100000e662e58
[   23.398549][  T725] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.398738][  T725] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.398980][  T725] FS:  00007f1b1c607840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.399201][  T725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.399359][  T725] CR2: 0000000010144988 CR3: 000000000c5fa001 CR4: 0000000000771ef0
[   23.399554][  T725] PKRU: 55555554
[   23.399649][  T725] Call Trace:
[   23.399744][  T725]  <TASK>
[   23.399811][  T725]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.400027][  T725]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.400182][  T725]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.400308][  T725]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.400433][  T725]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.400597][  T725]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.400725][  T725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.400924][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.401049][  T725]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.401172][  T725]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.401296][  T725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.401438][  T725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.401568][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.401695][  T725]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.401875][  T725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.402002][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.402126][  T725]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   23.402253][  T725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.402380][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.402511][  T725]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.402636][  T725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.402761][  T725]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.402948][  T725]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.403075][  T725]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.403199][  T725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.403325][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.403456][  T725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.403587][  T725]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.403715][  T725]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.403852][  T725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.403978][  T725]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.404106][  T725]  ? 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))
[   23.404234][  T725]  ? 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))
[   23.404363][  T725]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.404495][  T725]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.404624][  T725]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.404750][  T725]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.404883][  T725]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.405009][  T725]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.405135][  T725]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.405261][  T725]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.405385][  T725]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.405544][  T725]  ? move_addr_to_kernel (net/socket.c:258)
[   23.405671][  T725]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.405797][  T725]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.405935][  T725]  ___sys_sendmsg (net/socket.c:2752)
[   23.406059][  T725]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.406215][  T725]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.406351][  T725]  __sys_sendmsg (net/socket.c:2784)
[   23.406481][  T725]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.406608][  T725]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.406766][  T725]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.406896][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.407022][  T725]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.407149][  T725]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.407274][  T725]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.407399][  T725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.407560][  T725] RIP: 0033:0x7f1b1c84108e
[   23.407694][  T725] 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
[   23.408155][  T725] RSP: 002b:00007ffe5b5a1b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.408344][  T725] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1b1c84108e
[   23.408538][  T725] RDX: 0000000000000000 RSI: 00007ffe5b5a1bc0 RDI: 0000000000000005
[   23.408726][  T725] RBP: 00007ffe5b5a1b20 R08: 0000000000000000 R09: 0000000000000000
[   23.408919][  T725] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b6
[   23.409106][  T725] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5b5a2290
| [   23.449301][  T726] ------------[ cut here ]------------
| [   23.449491][  T726] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/726
| [   23.449758][  T726] Modules linked in: vxlan
| [   23.450730][  T726] Tainted: [W]=WARN
[   23.450884][  T726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.451094][  T726] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.451306][  T726] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.451802][  T726] RSP: 0018:ffa0000001507190 EFLAGS: 00010286
[   23.452021][  T726] RAX: 00000000ffffffa6 RBX: ff1100000dbf9000 RCX: 1ff40000002a0df8
[   23.452254][  T726] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf90bc
[   23.452491][  T726] RBP: ff1100000f41a000 R08: 1fe2200001b7f219 R09: ff1100000e665158
[   23.452720][  T726] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.452973][  T726] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.453218][  T726] FS:  00007ff881568840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   23.453489][  T726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.453691][  T726] CR2: 0000000017090988 CR3: 00000000118c9006 CR4: 0000000000771ef0
[   23.453940][  T726] PKRU: 55555554
[   23.454079][  T726] Call Trace:
[   23.454219][  T726]  <TASK>
[   23.454330][  T726]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.454546][  T726]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.454749][  T726]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.454932][  T726]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.455101][  T726]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.455309][  T726]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.455488][  T726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.455658][  T726]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.455841][  T726]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.456011][  T726]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.456182][  T726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.456371][  T726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.456552][  T726]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.456724][  T726]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.456903][  T726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.457074][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.457244][  T726]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   23.457417][  T726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.457592][  T726]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.457762][  T726]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.457947][  T726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.458118][  T726]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.458289][  T726]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.458462][  T726]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.458640][  T726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.458810][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.458997][  T726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.459169][  T726]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.459341][  T726]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.459519][  T726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.459692][  T726]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.459877][  T726]  ? 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))
[   23.460049][  T726]  ? 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))
[   23.460223][  T726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.460395][  T726]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.460577][  T726]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.460753][  T726]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.461086][  T726]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.461312][  T726]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.461542][  T726]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.461802][  T726]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.462067][  T726]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.462360][  T726]  ? move_addr_to_kernel (net/socket.c:258)
[   23.462644][  T726]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.462933][  T726]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.463219][  T726]  ___sys_sendmsg (net/socket.c:2752)
[   23.463492][  T726]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.463693][  T726]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.463889][  T726]  __sys_sendmsg (net/socket.c:2784)
[   23.464065][  T726]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.464234][  T726]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.464438][  T726]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.464615][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.464790][  T726]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.464976][  T726]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.465150][  T726]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.465322][  T726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.465535][  T726] RIP: 0033:0x7ff8817a208e
[   23.465713][  T726] 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
[   23.466208][  T726] RSP: 002b:00007ffc1c3cf990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.466444][  T726] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff8817a208e
[   23.466678][  T726] RDX: 0000000000000000 RSI: 00007ffc1c3cfa40 RDI: 0000000000000005
[   23.466922][  T726] RBP: 00007ffc1c3cf9a0 R08: 0000000000000000 R09: 0000000000000000
[   23.467153][  T726] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b6
[   23.467385][  T726] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1c3d0110
| [   23.507105][  T727] ------------[ cut here ]------------
| [   23.507250][  T727] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/727
| [   23.507482][  T727] Modules linked in: vxlan
| [   23.507883][  T727] Tainted: [W]=WARN
[   23.507977][  T727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.508134][  T727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.508297][  T727] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.508749][  T727] RSP: 0018:ffa0000001507190 EFLAGS: 00010286
[   23.508914][  T727] RAX: 00000000ffffffa6 RBX: ff1100000a232ac0 RCX: 1ff40000002a0df8
[   23.509100][  T727] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a232b7c
[   23.509287][  T727] RBP: ff1100000f362000 R08: 1fe2200001446571 R09: ff11000009ce0b58
[   23.509480][  T727] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.509670][  T727] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.509864][  T727] FS:  00007f580dd84840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.510085][  T727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.510244][  T727] CR2: 000000003c72f988 CR3: 000000000f56b003 CR4: 0000000000771ef0
[   23.510435][  T727] PKRU: 55555554
[   23.510535][  T727] Call Trace:
[   23.510628][  T727]  <TASK>
[   23.510692][  T727]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.510857][  T727]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.511015][  T727]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.511142][  T727]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.511267][  T727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.511392][  T727]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.511519][  T727]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.511645][  T727]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.511768][  T727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.511914][  T727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.512037][  T727]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.512161][  T727]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.512285][  T727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.512410][  T727]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.512541][  T727]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   23.512667][  T727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.512791][  T727]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.512920][  T727]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.513045][  T727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.513170][  T727]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.513298][  T727]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.513422][  T727]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.513550][  T727]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.513673][  T727]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.513798][  T727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.514263][  T727]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.514389][  T727]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.514527][  T727]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.514654][  T727]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.514782][  T727]  ? 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))
[   23.514911][  T727]  ? 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))
[   23.515039][  T727]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.515165][  T727]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.515290][  T727]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.515416][  T727]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.515549][  T727]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.515676][  T727]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.515803][  T727]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.515934][  T727]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.516062][  T727]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.516216][  T727]  ? move_addr_to_kernel (net/socket.c:258)
[   23.516342][  T727]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.516469][  T727]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.516602][  T727]  ___sys_sendmsg (net/socket.c:2752)
[   23.516728][  T727]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.516889][  T727]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.517026][  T727]  __sys_sendmsg (net/socket.c:2784)
[   23.517152][  T727]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.517276][  T727]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.517435][  T727]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.517565][  T727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.517690][  T727]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.517815][  T727]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.517947][  T727]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.518071][  T727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.518231][  T727] RIP: 0033:0x7f580dfbe08e
[   23.518361][  T727] 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
[   23.518810][  T727] RSP: 002b:00007ffc69f09e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.519004][  T727] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f580dfbe08e
[   23.519189][  T727] RDX: 0000000000000000 RSI: 00007ffc69f09ef0 RDI: 0000000000000005
[   23.519376][  T727] RBP: 00007ffc69f09e50 R08: 0000000000000000 R09: 0000000000000000
[   23.519567][  T727] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b6
[   23.519752][  T727] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc69f0a5c0
| [   23.559526][  T728] ------------[ cut here ]------------
| [   23.559671][  T728] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/728
| [   23.559899][  T728] Modules linked in: vxlan
| [   23.560286][  T728] Tainted: [W]=WARN
[   23.560382][  T728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.560543][  T728] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.560705][  T728] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.561152][  T728] RSP: 0018:ffa00000018b7190 EFLAGS: 00010286
[   23.561314][  T728] RAX: 00000000ffffffa6 RBX: ff1100000d14e740 RCX: 1ff4000000316df8
[   23.561506][  T728] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14e7fc
[   23.561692][  T728] RBP: ff1100000598a000 R08: 1fe2200001a29d01 R09: ff11000009ce2e58
[   23.561884][  T728] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.562070][  T728] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.562257][  T728] FS:  00007f0b1dac1840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.562478][  T728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.562635][  T728] CR2: 00007f0b1dd911a0 CR3: 000000000c5fa006 CR4: 0000000000771ef0
[   23.562828][  T728] PKRU: 55555554
[   23.562924][  T728] Call Trace:
[   23.563018][  T728]  <TASK>
[   23.563084][  T728]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.563243][  T728]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.563401][  T728]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.563535][  T728]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.563661][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.563785][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.564443][  T728]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.564580][  T728]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.564704][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.564851][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.564976][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.565101][  T728]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.565223][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.565349][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.565477][  T728]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   23.565603][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.565727][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.565854][  T728]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.565980][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.566106][  T728]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.566231][  T728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.566356][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.566486][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.566610][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.566736][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.566863][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.566990][  T728]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.567115][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.567240][  T728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.567370][  T728]  ? 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))
[   23.567499][  T728]  ? 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))
[   23.567625][  T728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.567750][  T728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.567884][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.568010][  T728]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.568136][  T728]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.568264][  T728]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.568391][  T728]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.568519][  T728]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.568647][  T728]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.568800][  T728]  ? move_addr_to_kernel (net/socket.c:258)
[   23.568929][  T728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.569055][  T728]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.569184][  T728]  ___sys_sendmsg (net/socket.c:2752)
[   23.569307][  T728]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.569460][  T728]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.569604][  T728]  __sys_sendmsg (net/socket.c:2784)
[   23.569730][  T728]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.569859][  T728]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.570017][  T728]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.570143][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.570269][  T728]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.570395][  T728]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.570524][  T728]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.570649][  T728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.570805][  T728] RIP: 0033:0x7f0b1dcfb08e
[   23.570942][  T728] 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
[   23.571388][  T728] RSP: 002b:00007ffd0ae85950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.571578][  T728] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0b1dcfb08e
[   23.571766][  T728] RDX: 0000000000000000 RSI: 00007ffd0ae85a00 RDI: 0000000000000005
[   23.571961][  T728] RBP: 00007ffd0ae85960 R08: 0000000000000000 R09: 0000000000000000
[   23.572147][  T728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b6
[   23.572333][  T728] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0ae860d0
| [   23.651420][   T68] ------------[ cut here ]------------
| [   23.651568][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   23.651807][   T68] Modules linked in: vxlan
| [   23.652219][   T68] Tainted: [W]=WARN
[   23.652309][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.652461][   T68] Workqueue: netns cleanup_net
[   23.652597][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.652753][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.653190][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.653343][   T68] RAX: 00000000ffffffa6 RBX: ff1100000ff6ba80 RCX: 1ff4000000092eed
[   23.653527][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6bb3c
[   23.653708][   T68] RBP: ff1100000a96c000 R08: 1fe2200001fed769 R09: ff1100000915aed0
[   23.653892][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.654069][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.654247][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.654459][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.654615][   T68] CR2: 00007f58fb734668 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   23.654792][   T68] PKRU: 55555554
[   23.654889][   T68] Call Trace:
[   23.654979][   T68]  <TASK>
[   23.655043][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.655196][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.655348][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.655469][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.655601][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.655721][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.655850][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.655974][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.656097][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.656216][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.656340][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.656461][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.656589][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.656711][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.656834][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.656956][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.657079][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.657199][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.657323][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.657445][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.657570][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.657691][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.657816][   T68]  kthread (kernel/kthread.c:436)
[   23.657911][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.658059][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.658180][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.658306][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.658456][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.658585][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.658705][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.661012][   T68] ------------[ cut here ]------------
| [   23.661133][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   23.661362][   T68] Modules linked in: vxlan
| [   23.661757][   T68] Tainted: [W]=WARN
[   23.661933][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.662081][   T68] Workqueue: netns cleanup_net
[   23.662211][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.662369][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.662800][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.662954][   T68] RAX: 00000000ffffffa6 RBX: ff1100000b3b6200 RCX: 1ff4000000092eed
[   23.663131][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b62bc
[   23.663309][   T68] RBP: ff11000004ea4000 R08: 1fe2200001676c59 R09: ff1100000915aed0
[   23.663488][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.663664][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.663848][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.664059][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.664208][   T68] CR2: 00007f58fb734668 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   23.664384][   T68] PKRU: 55555554
[   23.664472][   T68] Call Trace:
[   23.664565][   T68]  <TASK>
[   23.664627][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.664777][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.664931][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.665050][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.665170][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.665288][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.665406][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.665536][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.665657][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.665776][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.665908][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.666027][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.666145][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.666265][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.666383][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.666518][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.666641][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.666760][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.666890][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.667011][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.667130][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.667250][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.667368][   T68]  kthread (kernel/kthread.c:436)
[   23.667456][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.667610][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.667739][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.667863][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.668011][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.668129][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.668248][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.670451][   T68] ------------[ cut here ]------------
| [   23.670580][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   23.670812][   T68] Modules linked in: vxlan
| [   23.671662][   T68] Tainted: [W]=WARN
[   23.671751][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.671950][   T68] Workqueue: netns cleanup_net
[   23.672073][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.672228][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.672657][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.672807][   T68] RAX: 00000000ffffffa6 RBX: ff1100000b3b6ac0 RCX: 1ff4000000092eed
[   23.673030][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b6b7c
[   23.673257][   T68] RBP: ff1100000f184000 R08: 1fe2200001676d71 R09: ff1100000915aed0
[   23.673433][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.673618][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.673795][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.674050][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.674198][   T68] CR2: 00007f58fb734668 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   23.674375][   T68] PKRU: 55555554
[   23.674463][   T68] Call Trace:
[   23.674558][   T68]  <TASK>
[   23.674620][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.674771][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.674964][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.675083][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.675205][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.675323][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.675444][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.675574][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.675696][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.675816][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.675988][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.676109][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.676227][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.676347][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.676464][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.676589][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.676713][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.676878][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.677003][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.677123][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.677242][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.677362][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.677486][   T68]  kthread (kernel/kthread.c:436)
[   23.677576][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.677724][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.677891][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.678009][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.678156][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.678275][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.678394][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.681030][   T68] ------------[ cut here ]------------
| [   23.681153][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   23.681387][   T68] Modules linked in: vxlan
| [   23.681777][   T68] Tainted: [W]=WARN
[   23.681955][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.682104][   T68] Workqueue: netns cleanup_net
[   23.682228][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.682382][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.682811][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.683010][   T68] RAX: 00000000ffffffa6 RBX: ff1100000da6f700 RCX: 1ff4000000092eed
[   23.683185][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6f7bc
[   23.683437][   T68] RBP: ff1100000f891000 R08: 1fe2200001b4def9 R09: ff1100000915aed0
[   23.683619][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.683799][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.684098][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.684304][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.684456][   T68] CR2: 00007f58fb734668 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   23.684646][   T68] PKRU: 55555554
[   23.684734][   T68] Call Trace:
[   23.684871][   T68]  <TASK>
[   23.684933][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.685084][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.685230][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.685349][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.685468][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.685593][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.685783][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.685952][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.686080][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.686202][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.686322][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.686441][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.686568][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.686687][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.686805][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.686976][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.687098][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.687222][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.687348][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.687469][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.687595][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.687718][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.687884][   T68]  kthread (kernel/kthread.c:436)
[   23.687976][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.688121][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.688241][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.688363][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.688585][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.688704][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.688869][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.691862][   T68] ------------[ cut here ]------------
| [   23.692029][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.692313][   T68] Modules linked in: vxlan
| [   23.692799][   T68] Tainted: [W]=WARN
[   23.693001][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.693244][   T68] Workqueue: netns cleanup_net
[   23.693457][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.693710][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.694232][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   23.694481][   T68] RAX: 00000000ffffffa6 RBX: ff1100000947be00 RCX: 1ff4000000092eed
[   23.694748][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947bebc
[   23.694999][   T68] RBP: ff1100000f079000 R08: 1fe220000128f7d9 R09: ff1100000915aed0
[   23.695217][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.695437][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.695668][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   23.695930][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.696123][   T68] CR2: 00007ffd0c8e3ac8 CR3: 000000000fe3a004 CR4: 0000000000771ef0
[   23.696346][   T68] PKRU: 55555554
[   23.696485][   T68] Call Trace:
[   23.696622][   T68]  <TASK>
[   23.696730][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.696975][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.697168][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   23.697333][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   23.697507][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.697672][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   23.697851][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.698029][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.698196][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.698358][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.698533][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.698699][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.698878][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.699046][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.699214][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.699381][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.699555][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.699719][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.699904][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.700073][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.700241][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.700411][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.700590][   T68]  kthread (kernel/kthread.c:436)
[   23.700727][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.700932][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.701098][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.701265][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.701461][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.701637][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.701805][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.714564][   T68] ------------[ cut here ]------------
| [   23.714740][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.715049][   T68] Modules linked in: vxlan
| [   23.715560][   T68] Tainted: [W]=WARN
[   23.715700][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.715942][   T68] Workqueue: netns cleanup_net
[   23.716116][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.716323][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.716840][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   23.717043][   T68] RAX: 00000000ffffffa6 RBX: ff1100000947b380 RCX: 1ff4000000092eaf
[   23.717271][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947b43c
[   23.717513][   T68] RBP: ff1100000aaa4000 R08: 1fe220000128f689 R09: ff1100000915aed0
[   23.717744][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   23.717986][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   23.718218][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   23.718492][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.718728][   T68] CR2: 00007ffd0c8e3ac8 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   23.718977][   T68] PKRU: 55555554
[   23.719116][   T68] Call Trace:
[   23.719259][   T68]  <TASK>
[   23.719371][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.719554][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.719698][   T68]  netif_close_many (net/core/dev.c:1804)
[   23.719885][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.720055][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.720225][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.720396][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   23.720579][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.720781][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   23.720996][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.721172][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.721341][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   23.721521][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.721725][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.721913][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.722087][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.722262][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.722434][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.722616][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.722790][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.722972][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.723147][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.723322][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.723497][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.723676][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.723859][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.724033][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.724209][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.724410][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.724597][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.724772][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.724961][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.725166][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.725340][   T68]  kthread (kernel/kthread.c:436)
[   23.725487][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.725690][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.725872][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.726047][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.726254][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.726426][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.726609][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.729226][   T68] ------------[ cut here ]------------
| [   23.729390][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   23.729680][   T68] Modules linked in: vxlan
| [   23.730687][   T68] Tainted: [W]=WARN
[   23.730894][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.731136][   T68] Workqueue: netns cleanup_net
[   23.731353][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.731614][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.732155][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   23.732413][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7ec80 RCX: 1ff4000000092ed5
[   23.732710][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7ed3c
[   23.733026][   T68] RBP: ff1100000aaa4000 R08: 1fe220000198fda9 R09: ff1100000915aed0
[   23.733371][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.733682][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.734043][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   23.734360][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.734716][   T68] CR2: 00007ffd0c8e3ac8 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   23.735031][   T68] PKRU: 55555554
[   23.735237][   T68] Call Trace:
[   23.735430][   T68]  <TASK>
[   23.735621][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.735886][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.736111][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.736281][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.736451][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   23.736702][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   23.736960][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   23.737205][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.737375][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   23.737547][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.737719][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   23.737899][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.738141][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.738331][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.738508][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.738677][   T68]  process_one_work (kernel/workqueue.c:3314)
[   23.738935][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.739106][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.739276][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.739523][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.739691][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   23.739872][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.740039][   T68]  kthread (kernel/kthread.c:436)
[   23.740176][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.740373][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.740551][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.740719][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.740930][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.741096][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.741336][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.819297][  T739] ------------[ cut here ]------------
| [   23.819447][  T739] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/739
| [   23.819681][  T739] Modules linked in: vxlan
| [   23.820091][  T739] Tainted: [W]=WARN
[   23.820198][  T739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.820361][  T739] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.820536][  T739] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.821012][  T739] RSP: 0018:ffa0000001917a80 EFLAGS: 00010286
[   23.821178][  T739] RAX: 00000000ffffffa6 RBX: ff11000008e54040 RCX: 1ff4000000322f16
[   23.821373][  T739] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e540fc
[   23.821574][  T739] RBP: ff1100000fd59000 R08: 1fe22000011ca821 R09: ff1100000f955180
[   23.821770][  T739] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.821970][  T739] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd59000
[   23.822165][  T739] FS:  00007f0e74b73840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.822394][  T739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.822564][  T739] CR2: 00007f0e74d7a430 CR3: 000000000f71f003 CR4: 0000000000771ef0
[   23.822760][  T739] PKRU: 55555554
[   23.822864][  T739] Call Trace:
[   23.822962][  T739]  <TASK>
[   23.823029][  T739]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.823160][  T739]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.823292][  T739]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.823392][  T739]  register_netdevice (net/core/dev.c:11488)
[   23.823528][  T739]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.823690][  T739]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.823826][  T739]  register_netdev (net/core/dev.c:11552)
[   23.823956][  T739]  loopback_net_init (drivers/net/loopback.c:218)
[   23.824087][  T739]  ops_init (net/core/net_namespace.c:137)
[   23.824187][  T739]  setup_net (net/core/net_namespace.c:446)
[   23.824285][  T739]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.824416][  T739]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.824553][  T739]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.824684][  T739]  copy_net_ns (net/core/net_namespace.c:579)
[   23.824816][  T739]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.824956][  T739]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.825087][  T739]  ksys_unshare (kernel/fork.c:3243)
[   23.825217][  T739]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.825350][  T739]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.825485][  T739]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.825619][  T739]  ? __ia32_sys_open (fs/open.c:1374)
[   23.825750][  T739]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.825952][  T739]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.826084][  T739]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.826213][  T739]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.826345][  T739]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.826480][  T739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.826645][  T739] RIP: 0033:0x7f0e74e35bcb
[   23.826783][  T739] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.827319][  T739] RSP: 002b:00007ffde2c80798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.827523][  T739] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0e74e35bcb
[   23.827719][  T739] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.827991][  T739] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.828240][  T739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde2c829c0
[   23.828437][  T739] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde2c8388c
| [   23.838325][  T739] ------------[ cut here ]------------
| [   23.838466][  T739] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/739
| [   23.838699][  T739] Modules linked in: vxlan
| [   23.839102][  T739] Tainted: [W]=WARN
[   23.839201][  T739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.839363][  T739] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.839538][  T739] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.840008][  T739] RSP: 0018:ffa0000001917918 EFLAGS: 00010286
[   23.840172][  T739] RAX: 00000000ffffffa6 RBX: ff1100000e69ee40 RCX: 1ff4000000322ee9
[   23.840366][  T739] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e69eefc
[   23.840564][  T739] RBP: ff1100000f521000 R08: 1fe2200001cd3de1 R09: ff1100000f955180
[   23.840757][  T739] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.840955][  T739] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f521000
[   23.841152][  T739] FS:  00007f0e74b73840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.841379][  T739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.841547][  T739] CR2: 00007f0e74d7a430 CR3: 000000000f71f003 CR4: 0000000000771ef0
[   23.841742][  T739] PKRU: 55555554
[   23.841845][  T739] Call Trace:
[   23.841943][  T739]  <TASK>
[   23.842010][  T739]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.842141][  T739]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.842271][  T739]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.842369][  T739]  register_netdevice (net/core/dev.c:11488)
[   23.842507][  T739]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.842667][  T739]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.842798][  T739]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.843424][  T739]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.843561][  T739]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.843692][  T739]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.843877][  T739]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.844010][  T739]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   23.844142][  T739]  ops_init (net/core/net_namespace.c:137)
[   23.844242][  T739]  setup_net (net/core/net_namespace.c:446)
[   23.844342][  T739]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.844473][  T739]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.844608][  T739]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.844742][  T739]  copy_net_ns (net/core/net_namespace.c:579)
[   23.844929][  T739]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.845117][  T739]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.845249][  T739]  ksys_unshare (kernel/fork.c:3243)
[   23.845380][  T739]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.845517][  T739]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.845647][  T739]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.845780][  T739]  ? __ia32_sys_open (fs/open.c:1374)
[   23.845967][  T739]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.846097][  T739]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.846229][  T739]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.846359][  T739]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.846493][  T739]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.846626][  T739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.846789][  T739] RIP: 0033:0x7f0e74e35bcb
[   23.846985][  T739] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.847451][  T739] RSP: 002b:00007ffde2c80798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.847653][  T739] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0e74e35bcb
[   23.847904][  T739] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.848098][  T739] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.848292][  T739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde2c829c0
[   23.848494][  T739] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde2c8388c
| [   23.852764][  T739] ------------[ cut here ]------------
| [   23.852910][  T739] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/739
| [   23.853142][  T739] Modules linked in: vxlan
| [   23.853547][  T739] Tainted: [W]=WARN
[   23.853647][  T739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.853814][  T739] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.853991][  T739] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.854463][  T739] RSP: 0018:ffa00000019178f8 EFLAGS: 00010286
[   23.854634][  T739] RAX: 00000000ffffffa6 RBX: ff110000095af000 RCX: 1ff4000000322ee5
[   23.854835][  T739] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095af0bc
[   23.855032][  T739] RBP: ff110000091ac000 R08: 1fe22000012b5e19 R09: ff1100000f955180
[   23.855230][  T739] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.855427][  T739] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091ac000
[   23.855633][  T739] FS:  00007f0e74b73840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.855868][  T739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.856033][  T739] CR2: 00007f0e74d7a430 CR3: 000000000f71f003 CR4: 0000000000771ef0
[   23.856232][  T739] PKRU: 55555554
[   23.856332][  T739] Call Trace:
[   23.856433][  T739]  <TASK>
[   23.856510][  T739]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.856645][  T739]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.856779][  T739]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.856887][  T739]  register_netdevice (net/core/dev.c:11488)
[   23.857022][  T739]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.857189][  T739]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.857325][  T739]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.857459][  T739]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.857598][  T739]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.857733][  T739]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.857876][  T739]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.858011][  T739]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   23.858145][  T739]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.858282][  T739]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.858415][  T739]  ops_init (net/core/net_namespace.c:137)
[   23.858522][  T739]  setup_net (net/core/net_namespace.c:446)
[   23.858623][  T739]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.858756][  T739]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.859401][  T739]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.859541][  T739]  copy_net_ns (net/core/net_namespace.c:579)
[   23.859674][  T739]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.859811][  T739]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.860001][  T739]  ksys_unshare (kernel/fork.c:3243)
[   23.860133][  T739]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.860265][  T739]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.860397][  T739]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.860536][  T739]  ? __ia32_sys_open (fs/open.c:1374)
[   23.860671][  T739]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.860803][  T739]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.860993][  T739]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.861127][  T739]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.861260][  T739]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.861393][  T739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.861617][  T739] RIP: 0033:0x7f0e74e35bcb
[   23.861757][  T739] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.862286][  T739] RSP: 002b:00007ffde2c80798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.862488][  T739] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0e74e35bcb
[   23.862685][  T739] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.862939][  T739] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.863136][  T739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde2c829c0
[   23.863334][  T739] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde2c8388c
| [   23.872668][  T739] ------------[ cut here ]------------
| [   23.872800][  T739] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/739
| [   23.873032][  T739] Modules linked in: vxlan
| [   23.873431][  T739] Tainted: [W]=WARN
[   23.873534][  T739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.873699][  T739] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.873875][  T739] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.874340][  T739] RSP: 0018:ffa0000001917a78 EFLAGS: 00010286
[   23.874511][  T739] RAX: 00000000ffffffa6 RBX: ff110000095aec80 RCX: 1ff4000000322f15
[   23.874707][  T739] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095aed3c
[   23.874908][  T739] RBP: ff1100000f254000 R08: 1fe22000012b5da9 R09: ff1100000f955180
[   23.875105][  T739] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.875303][  T739] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f254000
[   23.875504][  T739] FS:  00007f0e74b73840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.875735][  T739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.875902][  T739] CR2: 00007f0e74d7a430 CR3: 000000000f71f003 CR4: 0000000000771ef0
[   23.876099][  T739] PKRU: 55555554
[   23.876198][  T739] Call Trace:
[   23.876295][  T739]  <TASK>
[   23.876363][  T739]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.876500][  T739]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.876631][  T739]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.876730][  T739]  register_netdevice (net/core/dev.c:11488)
[   23.876868][  T739]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.877031][  T739]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.877165][  T739]  register_netdev (net/core/dev.c:11552)
[   23.877297][  T739]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.877432][  T739]  ops_init (net/core/net_namespace.c:137)
[   23.877536][  T739]  setup_net (net/core/net_namespace.c:446)
[   23.877634][  T739]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.877764][  T739]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.877898][  T739]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.878032][  T739]  copy_net_ns (net/core/net_namespace.c:579)
[   23.878166][  T739]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.878302][  T739]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.878434][  T739]  ksys_unshare (kernel/fork.c:3243)
[   23.878570][  T739]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.878702][  T739]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.878837][  T739]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.878969][  T739]  ? __ia32_sys_open (fs/open.c:1374)
[   23.879102][  T739]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.879233][  T739]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.879366][  T739]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.879503][  T739]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.879635][  T739]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.879767][  T739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.879940][  T739] RIP: 0033:0x7f0e74e35bcb
[   23.880076][  T739] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.880550][  T739] RSP: 002b:00007ffde2c80798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.880747][  T739] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0e74e35bcb
[   23.880949][  T739] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.881145][  T739] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.881340][  T739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde2c829c0
[   23.881540][  T739] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde2c8388c
| [   23.885618][  T739] ------------[ cut here ]------------
| [   23.885754][  T739] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/739
| [   23.885987][  T739] Modules linked in: vxlan
| [   23.886384][  T739] Tainted: [W]=WARN
[   23.886487][  T739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.886652][  T739] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.886825][  T739] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.887291][  T739] RSP: 0018:ffa0000001917a68 EFLAGS: 00010286
[   23.887456][  T739] RAX: 00000000ffffffa6 RBX: ff1100000b3b6900 RCX: 1ff4000000322f13
[   23.887655][  T739] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b69bc
[   23.887854][  T739] RBP: ff11000007924000 R08: 1fe2200001676d39 R09: ff1100000f955180
[   23.888052][  T739] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.888248][  T739] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007924000
[   23.888446][  T739] FS:  00007f0e74b73840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.888681][  T739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.888850][  T739] CR2: 00007f0e74d7a430 CR3: 000000000f71f003 CR4: 0000000000771ef0
[   23.889048][  T739] PKRU: 55555554
[   23.889145][  T739] Call Trace:
[   23.889242][  T739]  <TASK>
[   23.889309][  T739]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.889439][  T739]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.889575][  T739]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.889676][  T739]  register_netdevice (net/core/dev.c:11488)
[   23.889835][  T739]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.890002][  T739]  register_netdev (net/core/dev.c:11552)
[   23.890133][  T739]  sit_init_net (net/ipv6/sit.c:1860)
[   23.890266][  T739]  ops_init (net/core/net_namespace.c:137)
[   23.890367][  T739]  setup_net (net/core/net_namespace.c:446)
[   23.890466][  T739]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.890600][  T739]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.890730][  T739]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.890868][  T739]  copy_net_ns (net/core/net_namespace.c:579)
[   23.891000][  T739]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.891132][  T739]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.891264][  T739]  ksys_unshare (kernel/fork.c:3243)
[   23.891395][  T739]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.891529][  T739]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.891660][  T739]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.891792][  T739]  ? __ia32_sys_open (fs/open.c:1374)
[   23.891928][  T739]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.892058][  T739]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.892188][  T739]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.892318][  T739]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.892449][  T739]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.892584][  T739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.892747][  T739] RIP: 0033:0x7f0e74e35bcb
[   23.892889][  T739] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.893352][  T739] RSP: 002b:00007ffde2c80798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.893553][  T739] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0e74e35bcb
[   23.893749][  T739] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.893949][  T739] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.894144][  T739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde2c829c0
[   23.894337][  T739] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde2c8388c
| [   23.898903][  T739] ------------[ cut here ]------------
| [   23.899038][  T739] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/739
| [   23.899263][  T739] Modules linked in: vxlan
| [   23.899664][  T739] Tainted: [W]=WARN
[   23.899764][  T739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.899930][  T739] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.900098][  T739] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.900568][  T739] RSP: 0018:ffa0000001917a78 EFLAGS: 00010286
[   23.900733][  T739] RAX: 00000000ffffffa6 RBX: ff1100000c404e40 RCX: 1ff4000000322f15
[   23.900930][  T739] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c404efc
[   23.901125][  T739] RBP: ff1100000f429000 R08: 1fe22000018809e1 R09: ff1100000f955180
[   23.901322][  T739] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   23.901520][  T739] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f429000
[   23.901715][  T739] FS:  00007f0e74b73840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   23.901949][  T739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.902115][  T739] CR2: 00007f0e74d7a430 CR3: 000000000f71f003 CR4: 0000000000771ef0
[   23.902314][  T739] PKRU: 55555554
[   23.902412][  T739] Call Trace:
[   23.902513][  T739]  <TASK>
[   23.902580][  T739]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.902711][  T739]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.902848][  T739]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.902950][  T739]  register_netdevice (net/core/dev.c:11488)
[   23.903083][  T739]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.903245][  T739]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.903377][  T739]  register_netdev (net/core/dev.c:11552)
[   23.903512][  T739]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.903643][  T739]  ops_init (net/core/net_namespace.c:137)
[   23.903743][  T739]  setup_net (net/core/net_namespace.c:446)
[   23.903848][  T739]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.903977][  T739]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.904106][  T739]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.904236][  T739]  copy_net_ns (net/core/net_namespace.c:579)
[   23.904367][  T739]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.904505][  T739]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.904636][  T739]  ksys_unshare (kernel/fork.c:3243)
[   23.904766][  T739]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.904899][  T739]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.905030][  T739]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.905162][  T739]  ? __ia32_sys_open (fs/open.c:1374)
[   23.905294][  T739]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.905424][  T739]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.905556][  T739]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.905688][  T739]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.905818][  T739]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.905956][  T739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.906118][  T739] RIP: 0033:0x7f0e74e35bcb
[   23.906254][  T739] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.906726][  T739] RSP: 002b:00007ffde2c80798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.906928][  T739] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0e74e35bcb
[   23.907123][  T739] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.907319][  T739] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.907521][  T739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde2c829c0
[   23.907717][  T739] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde2c8388c
| [   23.939124][  T740] ------------[ cut here ]------------
| [   23.939274][  T740] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/740
| [   23.939507][  T740] Modules linked in: vxlan
| [   23.939912][  T740] Tainted: [W]=WARN
[   23.940010][  T740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.940177][  T740] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.940349][  T740] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.940817][  T740] RSP: 0018:ffa0000001927020 EFLAGS: 00010286
[   23.940992][  T740] RAX: 00000000ffffffa6 RBX: ff1100000947b8c0 RCX: 1ff4000000324dca
[   23.941186][  T740] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947b97c
[   23.941380][  T740] RBP: ff1100000fd59000 R08: 1fe220000128f731 R09: ff110000096eae58
[   23.941579][  T740] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   23.941776][  T740] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.941982][  T740] FS:  00007fbbf7ee0840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   23.942211][  T740] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.942373][  T740] CR2: 00007fbbf81b01a0 CR3: 000000000fe1a006 CR4: 0000000000771ef0
[   23.942572][  T740] PKRU: 55555554
[   23.942671][  T740] Call Trace:
[   23.942771][  T740]  <TASK>
[   23.942846][  T740]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.942980][  T740]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.943079][  T740]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.943207][  T740]  __dev_notify_flags (net/core/dev.c:9787)
[   23.943340][  T740]  ? netif_change_name (net/core/dev.c:1495)
[   23.943470][  T740]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.943606][  T740]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.943737][  T740]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.943875][  T740]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   23.944011][  T740]  netif_change_flags (net/core/dev.c:9820)
[   23.944142][  T740]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.944273][  T740]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.944405][  T740]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.944541][  T740]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.944705][  T740]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.944839][  T740]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.944969][  T740]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.945097][  T740]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.945229][  T740]  ? __kernel_text_address (kernel/extable.c:79)
[   23.945359][  T740]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.945497][  T740]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.945625][  T740]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.945756][  T740]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.945892][  T740]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.946023][  T740]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.946153][  T740]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.946283][  T740]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.946415][  T740]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   23.946551][  T740]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.946682][  T740]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.946813][  T740]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.946953][  T740]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.947087][  T740]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.947221][  T740]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.947351][  T740]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.947485][  T740]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.947614][  T740]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.947743][  T740]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.947881][  T740]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.948009][  T740]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.948138][  T740]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.948269][  T740]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.948399][  T740]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.948536][  T740]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.948666][  T740]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.948797][  T740]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.948932][  T740]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.949063][  T740]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.949191][  T740]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.949322][  T740]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.949451][  T740]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.949585][  T740]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.949718][  T740]  ? 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))
[   23.949855][  T740]  ? 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))
[   23.949987][  T740]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.950119][  T740]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.950249][  T740]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.950379][  T740]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.950516][  T740]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.950647][  T740]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.950778][  T740]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.950917][  T740]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.951049][  T740]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.951211][  T740]  ? move_addr_to_kernel (net/socket.c:258)
[   23.951342][  T740]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.951471][  T740]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.951607][  T740]  ___sys_sendmsg (net/socket.c:2752)
[   23.951738][  T740]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.951906][  T740]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.952048][  T740]  __sys_sendmsg (net/socket.c:2784)
[   23.952178][  T740]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.952305][  T740]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.952468][  T740]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.952602][  T740]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.952733][  T740]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.952866][  T740]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.952995][  T740]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.953124][  T740]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.953284][  T740] RIP: 0033:0x7fbbf811a08e
[   23.953418][  T740] 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
[   23.953891][  T740] RSP: 002b:00007ffdb2865990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.954086][  T740] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbbf811a08e
[   23.954280][  T740] RDX: 0000000000000000 RSI: 00007ffdb2865a40 RDI: 0000000000000005
[   23.954472][  T740] RBP: 00007ffdb28659a0 R08: 0000000000000000 R09: 0000000000000000
[   23.954673][  T740] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b7
[   23.954870][  T740] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb2866110
| [   24.066555][  T743] ------------[ cut here ]------------
| [   24.066725][  T743] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/743
| [   24.066987][  T743] Modules linked in: vxlan
| [   24.067424][  T743] Tainted: [W]=WARN
[   24.067537][  T743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.067714][  T743] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.067905][  T743] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.068409][  T743] RSP: 0018:ffa0000001946fd0 EFLAGS: 00010286
[   24.068593][  T743] RAX: 00000000ffffffa6 RBX: ff1100000290dc40 RCX: 1ff4000000328dc0
[   24.068804][  T743] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290dcfc
[   24.069026][  T743] RBP: ff1100000f632000 R08: 1fe2200000521ba1 R09: ff1100000f735180
[   24.069244][  T743] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.069456][  T743] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f632e44
[   24.069675][  T743] FS:  00007fc09f268840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   24.069934][  T743] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.070114][  T743] CR2: 00007fc09f5dd040 CR3: 0000000012477002 CR4: 0000000000771ef0
[   24.070325][  T743] PKRU: 55555554
[   24.070431][  T743] Call Trace:
[   24.070542][  T743]  <TASK>
[   24.070615][  T743]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.070759][  T743]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   24.070911][  T743]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.071018][  T743]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   24.071160][  T743]  __dev_notify_flags (net/core/dev.c:9787)
[   24.071300][  T743]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.071442][  T743]  ? netif_change_name (net/core/dev.c:1495)
[   24.071587][  T743]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   24.071730][  T743]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.071878][  T743] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   24.072023][  T743]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   24.072167][  T743] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   24.072309][  T743]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   24.072455][  T743]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   24.072599][  T743]  ? nla_strscpy (lib/nlattr.c:795)
[   24.072742][  T743]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   24.072890][  T743]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.073031][  T743]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.073170][  T743]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.073316][  T743]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.073459][  T743]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.073608][  T743]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.073747][  T743]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.073894][  T743]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.074037][  T743]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.074176][  T743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.074320][  T743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.074462][  T743]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.074610][  T743]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.074752][  T743]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.074971][  T743]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.075113][  T743]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.075256][  T743]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.075394][  T743]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.075542][  T743]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.075684][  T743]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.075887][  T743]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.076034][  T743]  ? 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))
[   24.076173][  T743]  ? 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))
[   24.076318][  T743]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.076462][  T743]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.076610][  T743]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.076753][  T743]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.076971][  T743]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.077209][  T743]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.077355][  T743]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.077501][  T743]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.077642][  T743]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.077818][  T743]  ? move_addr_to_kernel (net/socket.c:258)
[   24.078091][  T743]  ___sys_sendmsg (net/socket.c:2752)
[   24.078231][  T743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.078371][  T743]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.078528][  T743]  ? 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))
[   24.078675][  T743]  __sys_sendmsg (net/socket.c:2784)
[   24.078816][  T743]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.079044][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.079185][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.079328][  T743]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.079469][  T743]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.079618][  T743]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.079759][  T743]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.079963][  T743] RIP: 0033:0x7fc09f4a208e
[   24.080113][  T743] 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
[   24.080617][  T743] RSP: 002b:00007ffd0af28250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.080835][  T743] RAX: ffffffffffffffda RBX: 00007ffd0af28a00 RCX: 00007fc09f4a208e
[   24.081050][  T743] RDX: 0000000000000000 RSI: 00007ffd0af28300 RDI: 0000000000000005
[   24.081260][  T743] RBP: 00007ffd0af28260 R08: 0000000000000000 R09: 0000000000000000
[   24.081471][  T743] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b7
[   24.081687][  T743] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0af289d0
| [   24.116236][  T744] ------------[ cut here ]------------
| [   24.116397][  T744] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/744
| [   24.116649][  T744] Modules linked in: vxlan
| [   24.117086][  T744] Tainted: [W]=WARN
[   24.117193][  T744] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.117371][  T744] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.117561][  T744] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.118068][  T744] RSP: 0018:ffa0000001956fd0 EFLAGS: 00010286
[   24.118245][  T744] RAX: 00000000ffffffa6 RBX: ff1100000da6f8c0 RCX: 1ff400000032adc0
[   24.118453][  T744] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6f97c
[   24.118669][  T744] RBP: ff1100000f17a000 R08: 1fe2200001b4df31 R09: ff1100000ff9ae80
[   24.118885][  T744] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.119094][  T744] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f17ae44
[   24.119308][  T744] FS:  00007f88ef33d840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   24.119562][  T744] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.119739][  T744] CR2: 0000000000437490 CR3: 0000000004ffe002 CR4: 0000000000771ef0
[   24.119954][  T744] PKRU: 55555554
[   24.120060][  T744] Call Trace:
[   24.120165][  T744]  <TASK>
[   24.120239][  T744]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.120383][  T744]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   24.120536][  T744]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.120643][  T744]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   24.120784][  T744]  __dev_notify_flags (net/core/dev.c:9787)
[   24.121416][  T744]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.121564][  T744]  ? netif_change_name (net/core/dev.c:1495)
[   24.121706][  T744]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   24.121857][  T744]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.122000][  T744] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   24.122144][  T744]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   24.122287][  T744] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   24.122429][  T744]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   24.122579][  T744]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   24.122720][  T744]  ? nla_strscpy (lib/nlattr.c:795)
[   24.122869][  T744]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   24.123010][  T744]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.123149][  T744]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.123288][  T744]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.123436][  T744]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.123585][  T744]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.123726][  T744]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.123871][  T744]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.124013][  T744]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.124151][  T744]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.124290][  T744]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.124433][  T744]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.124579][  T744]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.124719][  T744]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.124865][  T744]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.125006][  T744]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.125144][  T744]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.125285][  T744]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.125423][  T744]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.125568][  T744]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.125708][  T744]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.125853][  T744]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.125997][  T744]  ? 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))
[   24.126137][  T744]  ? 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))
[   24.126278][  T744]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.126419][  T744]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.126565][  T744]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.126706][  T744]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.126850][  T744]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.126991][  T744]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.127135][  T744]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.127277][  T744]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.127415][  T744]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.127680][  T744]  ? move_addr_to_kernel (net/socket.c:258)
[   24.127830][  T744]  ___sys_sendmsg (net/socket.c:2752)
[   24.127970][  T744]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.128110][  T744]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.128260][  T744]  ? 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))
[   24.128402][  T744]  __sys_sendmsg (net/socket.c:2784)
[   24.128548][  T744]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.128693][  T744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.128837][  T744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.128978][  T744]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.129119][  T744]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.129259][  T744]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.129400][  T744]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.129580][  T744] RIP: 0033:0x7f88ef57708e
[   24.129727][  T744] 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
[   24.130227][  T744] RSP: 002b:00007fffb4357b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.130440][  T744] RAX: ffffffffffffffda RBX: 00007fffb43582f0 RCX: 00007f88ef57708e
[   24.130653][  T744] RDX: 0000000000000000 RSI: 00007fffb4357bf0 RDI: 0000000000000005
[   24.130867][  T744] RBP: 00007fffb4357b50 R08: 0000000000000000 R09: 0000000000000000
[   24.131076][  T744] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b7
[   24.131285][  T744] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb43582c0
| [   24.164617][  T745] ------------[ cut here ]------------
| [   24.164771][  T745] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/745
| [   24.165016][  T745] Modules linked in: vxlan
| [   24.165426][  T745] Tainted: [W]=WARN
[   24.165532][  T745] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.165702][  T745] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.165883][  T745] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.166361][  T745] RSP: 0018:ffa00000019671b0 EFLAGS: 00010286
[   24.166536][  T745] RAX: 00000000ffffffa6 RBX: ff1100000a1b23c0 RCX: 1ff400000032cdfc
[   24.166738][  T745] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b247c
[   24.166945][  T745] RBP: ff1100000f3da000 R08: 1fe2200001436491 R09: ff1100000ff98b80
[   24.167146][  T745] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.167345][  T745] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   24.167557][  T745] FS:  00007fb62d67e840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   24.167793][  T745] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.167967][  T745] CR2: 0000000000441b40 CR3: 0000000004ffe001 CR4: 0000000000771ef0
[   24.168170][  T745] PKRU: 55555554
[   24.168271][  T745] Call Trace:
[   24.168371][  T745]  <TASK>
[   24.168443][  T745]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.168588][  T745]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.168690][  T745]  __dev_notify_flags (net/core/dev.c:9787)
[   24.168832][  T745]  ? netif_change_name (net/core/dev.c:1495)
[   24.168969][  T745]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   24.169136][  T745]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.169275][  T745]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.169409][  T745]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   24.169550][  T745]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.169686][  T745]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.169827][  T745]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.169962][  T745]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.170102][  T745]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.170241][  T745]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.170377][  T745]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.170519][  T745]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.170656][  T745]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.170790][  T745]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.170929][  T745]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.171068][  T745]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.171203][  T745]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.171337][  T745]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.171473][  T745]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.171613][  T745]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.171746][  T745]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.171890][  T745]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.172022][  T745]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.172154][  T745]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.172288][  T745]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.172430][  T745]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.172575][  T745]  ? 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))
[   24.172708][  T745]  ? 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))
[   24.172850][  T745]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.172987][  T745]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.173120][  T745]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.173256][  T745]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.173391][  T745]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.173534][  T745]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.173670][  T745]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.173806][  T745]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.173946][  T745]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.174112][  T745]  ? move_addr_to_kernel (net/socket.c:258)
[   24.174251][  T745]  ___sys_sendmsg (net/socket.c:2752)
[   24.174385][  T745]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.174525][  T745]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.174668][  T745]  ? 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))
[   24.174805][  T745]  __sys_sendmsg (net/socket.c:2784)
[   24.174946][  T745]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.175083][  T745]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.175217][  T745]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.175352][  T745]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.175491][  T745]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.175625][  T745]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.175759][  T745]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.175932][  T745] RIP: 0033:0x7fb62d8b808e
[   24.176072][  T745] 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
[   24.176553][  T745] RSP: 002b:00007ffdaf098cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.176755][  T745] RAX: ffffffffffffffda RBX: 00007ffdaf099468 RCX: 00007fb62d8b808e
[   24.176962][  T745] RDX: 0000000000000000 RSI: 00007ffdaf098d70 RDI: 0000000000000005
[   24.177162][  T745] RBP: 00007ffdaf098cd0 R08: 0000000000000000 R09: 0000000000000000
[   24.177365][  T745] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b7
[   24.177571][  T745] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdaf099440
| [   24.215100][  T746] ------------[ cut here ]------------
| [   24.215255][  T746] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/746
| [   24.215499][  T746] Modules linked in: vxlan
| [   24.216337][  T746] Tainted: [W]=WARN
[   24.216442][  T746] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.216619][  T746] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.216797][  T746] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.217282][  T746] RSP: 0018:ffa00000019771b0 EFLAGS: 00010286
[   24.217453][  T746] RAX: 00000000ffffffa6 RBX: ff1100000629ac80 RCX: 1ff400000032edfc
[   24.217662][  T746] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000629ad3c
[   24.217880][  T746] RBP: ff1100000f3c2000 R08: 1fe2200000c535a9 R09: ff1100000ff9d180
[   24.218079][  T746] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.218279][  T746] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   24.218489][  T746] FS:  00007fcbb791a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   24.218725][  T746] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.218902][  T746] CR2: 00007fcbb7c81ee3 CR3: 000000000aa80003 CR4: 0000000000771ef0
[   24.219103][  T746] PKRU: 55555554
[   24.219206][  T746] Call Trace:
[   24.219308][  T746]  <TASK>
[   24.219379][  T746]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.219528][  T746]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.219633][  T746]  __dev_notify_flags (net/core/dev.c:9787)
[   24.219770][  T746]  ? netif_change_name (net/core/dev.c:1495)
[   24.219914][  T746]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   24.220081][  T746]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.220218][  T746]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.220353][  T746]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   24.220497][  T746]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.220635][  T746]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.220771][  T746]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.220913][  T746]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.221053][  T746]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.221193][  T746]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.221332][  T746]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.221468][  T746]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.221609][  T746]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.221745][  T746]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.221891][  T746]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.222032][  T746]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.222169][  T746]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.222305][  T746]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.222440][  T746]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.222582][  T746]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.222716][  T746]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.222860][  T746]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.222993][  T746]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.223129][  T746]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.223263][  T746]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.223401][  T746]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.223547][  T746]  ? 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))
[   24.223688][  T746]  ? 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))
[   24.223833][  T746]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.223969][  T746]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.224105][  T746]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.224241][  T746]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.224379][  T746]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.224522][  T746]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.224660][  T746]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.224797][  T746]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.224937][  T746]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.225103][  T746]  ? move_addr_to_kernel (net/socket.c:258)
[   24.225242][  T746]  ___sys_sendmsg (net/socket.c:2752)
[   24.225377][  T746]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.225517][  T746]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.225663][  T746]  ? 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))
[   24.225801][  T746]  __sys_sendmsg (net/socket.c:2784)
[   24.225943][  T746]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.226084][  T746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.226219][  T746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.226356][  T746]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.226498][  T746]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.226634][  T746]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.226772][  T746]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.226947][  T746] RIP: 0033:0x7fcbb7b5408e
[   24.227088][  T746] 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
[   24.227575][  T746] RSP: 002b:00007ffcab98a390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.227779][  T746] RAX: ffffffffffffffda RBX: 00007ffcab98ab38 RCX: 00007fcbb7b5408e
[   24.227985][  T746] RDX: 0000000000000000 RSI: 00007ffcab98a440 RDI: 0000000000000005
[   24.228185][  T746] RBP: 00007ffcab98a3a0 R08: 0000000000000000 R09: 0000000000000000
[   24.228387][  T746] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b7
[   24.228595][  T746] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcab98ab10
| [   24.795744][  T775] ------------[ cut here ]------------
| [   24.796001][  T775] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/775
| [   24.796227][  T775] Modules linked in: vxlan
| [   24.796629][  T775] Tainted: [W]=WARN
[   24.796725][  T775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.796959][  T775] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.797126][  T775] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.797651][  T775] RSP: 0018:ffa0000001a37190 EFLAGS: 00010286
[   24.797812][  T775] RAX: 00000000ffffffa6 RBX: ff11000009c4ce40 RCX: 1ff4000000346df8
[   24.798084][  T775] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4cefc
[   24.798272][  T775] RBP: ff1100000f3c2000 R08: 1fe22000013899e1 R09: ff1100000f66ae58
[   24.798459][  T775] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.798657][  T775] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.798935][  T775] FS:  00007f3d7dc02840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   24.799159][  T775] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.799317][  T775] CR2: 00007f3d7ded21a0 CR3: 000000000f340001 CR4: 0000000000771ef0
[   24.799512][  T775] PKRU: 55555554
[   24.799606][  T775] Call Trace:
[   24.799701][  T775]  <TASK>
[   24.799767][  T775]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.800014][  T775]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.800170][  T775]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.800301][  T775]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.800428][  T775]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.800595][  T775]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.800721][  T775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.800920][  T775]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.801049][  T775]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.801176][  T775]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.801301][  T775]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.801446][  T775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.801578][  T775]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.801703][  T775]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.801854][  T775]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.801980][  T775]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.802107][  T775]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   24.802239][  T775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.802365][  T775]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.802494][  T775]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.802620][  T775]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.802745][  T775]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.802881][  T775]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.803007][  T775]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.803133][  T775]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.803259][  T775]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.803386][  T775]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.803519][  T775]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.803647][  T775]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.803774][  T775]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.803907][  T775]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.804034][  T775]  ? 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))
[   24.804158][  T775]  ? 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))
[   24.804285][  T775]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.804412][  T775]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.804544][  T775]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.804669][  T775]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.804796][  T775]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.804926][  T775]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.805055][  T775]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.805183][  T775]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.805308][  T775]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.805467][  T775]  ? move_addr_to_kernel (net/socket.c:258)
[   24.805599][  T775]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.805726][  T775]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.805860][  T775]  ___sys_sendmsg (net/socket.c:2752)
[   24.805988][  T775]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.806146][  T775]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.806284][  T775]  __sys_sendmsg (net/socket.c:2784)
[   24.806410][  T775]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.806539][  T775]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.806698][  T775]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.806832][  T775]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.806962][  T775]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.807089][  T775]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.807216][  T775]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.807342][  T775]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.807504][  T775] RIP: 0033:0x7f3d7de3c08e
[   24.807637][  T775] 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
[   24.808092][  T775] RSP: 002b:00007fff647a6fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.808284][  T775] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3d7de3c08e
[   24.808470][  T775] RDX: 0000000000000000 RSI: 00007fff647a7060 RDI: 0000000000000005
[   24.808660][  T775] RBP: 00007fff647a6fc0 R08: 0000000000000000 R09: 0000000000000000
[   24.808853][  T775] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b8
[   24.809044][  T775] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff647a7730
| [   24.859462][  T776] ------------[ cut here ]------------
| [   24.859622][  T776] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/776
| [   24.860056][  T776] Modules linked in: vxlan
| [   24.860443][  T776] Tainted: [W]=WARN
[   24.860548][  T776] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.860707][  T776] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.860879][  T776] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.861325][  T776] RSP: 0018:ffa0000001a47190 EFLAGS: 00010286
[   24.861489][  T776] RAX: 00000000ffffffa6 RBX: ff1100000fefb1c0 RCX: 1ff4000000348df8
[   24.861677][  T776] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefb27c
[   24.861866][  T776] RBP: ff1100000f3da000 R08: 1fe2200001fdf651 R09: ff1100000f66d158
[   24.862050][  T776] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   24.862237][  T776] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.862426][  T776] FS:  00007f19d5a86840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   24.862655][  T776] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.862813][  T776] CR2: 000000003a7a9988 CR3: 000000000f52d003 CR4: 0000000000771ef0
[   24.863010][  T776] PKRU: 55555554
[   24.863105][  T776] Call Trace:
[   24.863198][  T776]  <TASK>
[   24.863264][  T776]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.863425][  T776]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.863588][  T776]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.863717][  T776]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.863850][  T776]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.864011][  T776]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.864136][  T776]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.864261][  T776]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.864386][  T776]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.864516][  T776]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.864642][  T776]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.864785][  T776]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.864916][  T776]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.865044][  T776]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.865167][  T776]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.865292][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.865416][  T776]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   24.865548][  T776]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.865673][  T776]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.865796][  T776]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.865925][  T776]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.866051][  T776]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.866175][  T776]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.866299][  T776]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.866422][  T776]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.866551][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.866678][  T776]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.866801][  T776]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.866935][  T776]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.867063][  T776]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.867190][  T776]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.867318][  T776]  ? 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))
[   24.867441][  T776]  ? 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))
[   24.867572][  T776]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.867697][  T776]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.867827][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.867953][  T776]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.868081][  T776]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.868208][  T776]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.868336][  T776]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.868462][  T776]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.868593][  T776]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.868748][  T776]  ? move_addr_to_kernel (net/socket.c:258)
[   24.868882][  T776]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.869010][  T776]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.869139][  T776]  ___sys_sendmsg (net/socket.c:2752)
[   24.869263][  T776]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.869419][  T776]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.869564][  T776]  __sys_sendmsg (net/socket.c:2784)
[   24.869691][  T776]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.869819][  T776]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.869983][  T776]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.870109][  T776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.870237][  T776]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.870363][  T776]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.870494][  T776]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.870622][  T776]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.870779][  T776] RIP: 0033:0x7f19d5cc008e
[   24.870919][  T776] 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
[   24.871364][  T776] RSP: 002b:00007ffc26ebd1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.871560][  T776] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f19d5cc008e
[   24.871747][  T776] RDX: 0000000000000000 RSI: 00007ffc26ebd260 RDI: 0000000000000005
[   24.871940][  T776] RBP: 00007ffc26ebd1c0 R08: 0000000000000000 R09: 0000000000000000
[   24.872127][  T776] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b8
[   24.872315][  T776] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc26ebd930
| [   24.914259][  T777] ------------[ cut here ]------------
| [   24.914408][  T777] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/777
| [   24.914635][  T777] Modules linked in: vxlan
| [   24.915036][  T777] Tainted: [W]=WARN
[   24.915131][  T777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.915291][  T777] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.915455][  T777] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.915911][  T777] RSP: 0018:ffa0000001a57190 EFLAGS: 00010286
[   24.916073][  T777] RAX: 00000000ffffffa6 RBX: ff1100000a1b2c80 RCX: 1ff400000034adf8
[   24.916260][  T777] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b2d3c
[   24.916449][  T777] RBP: ff1100000f17a000 R08: 1fe22000014365a9 R09: ff11000004dd8b58
[   24.916641][  T777] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.916833][  T777] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.917021][  T777] FS:  00007fea10983840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   24.917240][  T777] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.917397][  T777] CR2: 00000000009da988 CR3: 000000000fd09005 CR4: 0000000000771ef0
[   24.917591][  T777] PKRU: 55555554
[   24.917684][  T777] Call Trace:
[   24.917779][  T777]  <TASK>
[   24.917849][  T777]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.918009][  T777]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.918167][  T777]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.918294][  T777]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.918420][  T777]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.918549][  T777]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.918675][  T777]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.918800][  T777]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.918927][  T777]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.919070][  T777]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.919193][  T777]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.919318][  T777]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.919443][  T777]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.919572][  T777]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.919699][  T777]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   24.919829][  T777]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.919954][  T777]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.920078][  T777]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.920202][  T777]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.920328][  T777]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.920454][  T777]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.920584][  T777]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.920710][  T777]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.920904][  T777]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.921102][  T777]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.921227][  T777]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.921353][  T777]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.921482][  T777]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.921608][  T777]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.921736][  T777]  ? 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))
[   24.921911][  T777]  ? 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))
[   24.922038][  T777]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.922164][  T777]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.922289][  T777]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.922416][  T777]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.922545][  T777]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.922671][  T777]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.922799][  T777]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.922993][  T777]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.923118][  T777]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.923272][  T777]  ? move_addr_to_kernel (net/socket.c:258)
[   24.923397][  T777]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.923528][  T777]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.923655][  T777]  ___sys_sendmsg (net/socket.c:2752)
[   24.923781][  T777]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.924008][  T777]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.924145][  T777]  __sys_sendmsg (net/socket.c:2784)
[   24.924272][  T777]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.924396][  T777]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.924560][  T777]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.924685][  T777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.924813][  T777]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.925029][  T777]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.925155][  T777]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.925280][  T777]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.925436][  T777] RIP: 0033:0x7fea10bbd08e
[   24.925571][  T777] 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
[   24.926054][  T777] RSP: 002b:00007ffde1ee18d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.926244][  T777] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fea10bbd08e
[   24.926428][  T777] RDX: 0000000000000000 RSI: 00007ffde1ee1980 RDI: 0000000000000005
[   24.926617][  T777] RBP: 00007ffde1ee18e0 R08: 0000000000000000 R09: 0000000000000000
[   24.926804][  T777] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b8
[   24.926995][  T777] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde1ee2050
| [   24.966642][  T778] ------------[ cut here ]------------
| [   24.966786][  T778] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/778
| [   24.967023][  T778] Modules linked in: vxlan
| [   24.967415][  T778] Tainted: [W]=WARN
[   24.967517][  T778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.967675][  T778] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.967850][  T778] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.968296][  T778] RSP: 0018:ffa0000001a67190 EFLAGS: 00010286
[   24.968461][  T778] RAX: 00000000ffffffa6 RBX: ff1100000bc11540 RCX: 1ff400000034cdf8
[   24.968657][  T778] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc115fc
[   24.968850][  T778] RBP: ff1100000f632000 R08: 1fe22000017822c1 R09: ff1100000fc28b58
[   24.969037][  T778] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.969225][  T778] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.969416][  T778] FS:  00007f4b98f42840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   24.969640][  T778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.969800][  T778] CR2: 00007f4b992121a0 CR3: 000000000f06f003 CR4: 0000000000771ef0
[   24.969996][  T778] PKRU: 55555554
[   24.970090][  T778] Call Trace:
[   24.970186][  T778]  <TASK>
[   24.970252][  T778]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.970415][  T778]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.970581][  T778]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.970711][  T778]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   24.970846][  T778]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.970974][  T778]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.971100][  T778]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.971226][  T778]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.971352][  T778]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.971503][  T778]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.971629][  T778]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.971756][  T778]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.971935][  T778]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.972063][  T778]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.972240][  T778]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   24.972371][  T778]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.972501][  T778]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.972626][  T778]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.972754][  T778]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.972965][  T778]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   24.973091][  T778]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.973216][  T778]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.973342][  T778]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.973468][  T778]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.973601][  T778]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.973726][  T778]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.973934][  T778]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.974060][  T778]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.974186][  T778]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.974317][  T778]  ? 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))
[   24.974441][  T778]  ? 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))
[   24.974574][  T778]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.974702][  T778]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.974852][  T778]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.974979][  T778]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.975106][  T778]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.975233][  T778]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.975360][  T778]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.975493][  T778]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.975618][  T778]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.975774][  T778]  ? move_addr_to_kernel (net/socket.c:258)
[   24.975906][  T778]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.976033][  T778]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.976161][  T778]  ___sys_sendmsg (net/socket.c:2752)
[   24.976287][  T778]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.976445][  T778]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.976588][  T778]  __sys_sendmsg (net/socket.c:2784)
[   24.976712][  T778]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.976844][  T778]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.977006][  T778]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.977132][  T778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.977259][  T778]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.977387][  T778]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.977519][  T778]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.977645][  T778]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.977801][  T778] RIP: 0033:0x7f4b9917c08e
[   24.977941][  T778] 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
[   24.978388][  T778] RSP: 002b:00007ffc6afb3300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.978582][  T778] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4b9917c08e
[   24.978770][  T778] RDX: 0000000000000000 RSI: 00007ffc6afb33b0 RDI: 0000000000000005
[   24.978960][  T778] RBP: 00007ffc6afb3310 R08: 0000000000000000 R09: 0000000000000000
[   24.979145][  T778] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b8
[   24.979333][  T778] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6afb3a80
| [   25.056278][   T68] ------------[ cut here ]------------
| [   25.056453][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   25.056745][   T68] Modules linked in: vxlan
| [   25.057249][   T68] Tainted: [W]=WARN
[   25.057386][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.057591][   T68] Workqueue: netns cleanup_net
[   25.057765][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.057981][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.058454][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   25.058660][   T68] RAX: 00000000ffffffa6 RBX: ff1100000dbf98c0 RCX: 1ff4000000092eed
[   25.058898][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf997c
[   25.059159][   T68] RBP: ff1100000f429000 R08: 1fe2200001b7f331 R09: ff1100000915aed0
[   25.059387][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.059615][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.059857][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.060110][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.060309][   T68] CR2: 000055bc7d569d5c CR3: 000000000fe3a003 CR4: 0000000000771ef0
[   25.060542][   T68] PKRU: 55555554
[   25.060678][   T68] Call Trace:
[   25.060814][   T68]  <TASK>
[   25.060938][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.061146][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.061340][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.061516][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.061688][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.061867][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.062035][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.062206][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.062379][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   25.062553][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.062724][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   25.062905][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.063070][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.063237][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.063404][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.063581][   T68]  process_one_work (kernel/workqueue.c:3314)
[   25.063751][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.063929][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.064101][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.064273][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.064441][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.064636][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.064804][   T68]  kthread (kernel/kthread.c:436)
[   25.064956][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.065151][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.065321][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.065503][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.065699][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.065882][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.066051][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.068784][   T68] ------------[ cut here ]------------
| [   25.068954][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   25.069243][   T68] Modules linked in: vxlan
| [   25.069741][   T68] Tainted: [W]=WARN
[   25.069921][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.070115][   T68] Workqueue: netns cleanup_net
[   25.070290][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.070509][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.070991][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   25.071190][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290cc80 RCX: 1ff4000000092eed
[   25.071442][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290cd3c
[   25.071672][   T68] RBP: ff11000007924000 R08: 1fe22000005219a9 R09: ff1100000915aed0
[   25.071913][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.072137][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.072363][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.072627][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.072839][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   25.073063][   T68] PKRU: 55555554
[   25.073200][   T68] Call Trace:
[   25.073336][   T68]  <TASK>
[   25.073444][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.073648][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.073855][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.074027][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.074197][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.074365][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.074540][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.074709][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.074892][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   25.075056][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.075228][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   25.075400][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.075574][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.075742][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.075923][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.076093][   T68]  process_one_work (kernel/workqueue.c:3314)
[   25.076263][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.076429][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.076614][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.076783][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.076960][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.077128][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.077296][   T68]  kthread (kernel/kthread.c:436)
[   25.077434][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.077637][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.077809][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.077991][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.078188][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.078356][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.078605][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.081803][   T68] ------------[ cut here ]------------
| [   25.082434][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   25.082779][   T68] Modules linked in: vxlan
| [   25.083365][   T68] Tainted: [W]=WARN
[   25.083552][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.083797][   T68] Workqueue: netns cleanup_net
[   25.084043][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.084295][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.084836][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   25.085081][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290c3c0 RCX: 1ff4000000092eed
[   25.085350][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290c47c
[   25.085629][   T68] RBP: ff1100000f254000 R08: 1fe2200000521891 R09: ff1100000915aed0
[   25.085906][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.086177][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.086448][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.086773][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.087028][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   25.087298][   T68] PKRU: 55555554
[   25.087487][   T68] Call Trace:
[   25.087668][   T68]  <TASK>
[   25.087809][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.088024][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.088222][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.088389][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.088566][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.088733][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.088915][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.089082][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.089252][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   25.089416][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.089601][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   25.089773][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.089951][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.090120][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.090287][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.090457][   T68]  process_one_work (kernel/workqueue.c:3314)
[   25.090636][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.090804][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.090991][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.091161][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.091327][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.091504][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.091671][   T68]  kthread (kernel/kthread.c:436)
[   25.091809][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.092019][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.092194][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.092364][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.092566][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.092734][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.092944][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.095631][   T68] ------------[ cut here ]------------
| [   25.095793][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   25.096718][   T68] Modules linked in: vxlan
| [   25.097365][   T68] Tainted: [W]=WARN
[   25.097673][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.097928][   T68] Workqueue: netns cleanup_net
[   25.098146][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.098532][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.099061][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   25.099303][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290c200 RCX: 1ff4000000092eed
[   25.099581][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290c2bc
[   25.099869][   T68] RBP: ff110000091ac000 R08: 1fe2200000521859 R09: ff1100000915aed0
[   25.100213][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.100476][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.100752][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.101062][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.101304][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   25.101580][   T68] PKRU: 55555554
[   25.101760][   T68] Call Trace:
[   25.101956][   T68]  <TASK>
[   25.102110][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.102368][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.102618][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.102845][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.103059][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.103270][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.103490][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.103738][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.103966][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   25.104205][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.104540][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   25.104793][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.105060][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.105290][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.105456][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.105635][   T68]  process_one_work (kernel/workqueue.c:3314)
[   25.105807][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.105990][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.106175][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.106375][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.106553][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.106723][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.106974][   T68]  kthread (kernel/kthread.c:436)
[   25.107113][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.107313][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.107488][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.107654][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.107862][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.108031][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.108200][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.111160][   T68] ------------[ cut here ]------------
| [   25.111326][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   25.111748][   T68] Modules linked in: vxlan
| [   25.113049][   T68] Tainted: [W]=WARN
[   25.113232][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.113476][   T68] Workqueue: netns cleanup_net
[   25.113708][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.113974][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.114495][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   25.114738][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a233e00 RCX: 1ff4000000092eed
[   25.115033][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a233ebc
[   25.115303][   T68] RBP: ff1100000f521000 R08: 1fe22000014467d9 R09: ff1100000915aed0
[   25.115577][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.115858][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.116126][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.116424][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.116671][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   25.116951][   T68] PKRU: 55555554
[   25.117135][   T68] Call Trace:
[   25.117314][   T68]  <TASK>
[   25.117466][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.117719][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.117973][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.118184][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.118396][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.118614][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.118843][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.119059][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.119282][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   25.119553][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.119920][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   25.120176][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.120435][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.120705][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.120973][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.121223][   T68]  process_one_work (kernel/workqueue.c:3314)
[   25.121451][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.121705][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.121934][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.122148][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.122365][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.122587][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.122801][   T68]  kthread (kernel/kthread.c:436)
[   25.123000][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.123240][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.123449][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.123664][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.123918][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.124128][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.124338][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.142541][   T68] ------------[ cut here ]------------
| [   25.142711][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   25.143016][   T68] Modules linked in: vxlan
| [   25.143527][   T68] Tainted: [W]=WARN
[   25.143668][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.143883][   T68] Workqueue: netns cleanup_net
[   25.144069][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.144277][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.144773][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   25.145045][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a233c40 RCX: 1ff4000000092eaf
[   25.145311][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a233cfc
[   25.145553][   T68] RBP: ff1100000fd59000 R08: 1fe22000014467a1 R09: ff1100000915aed0
[   25.145785][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   25.146026][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   25.146272][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.146546][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.146751][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   25.146995][   T68] PKRU: 55555554
[   25.147134][   T68] Call Trace:
[   25.147274][   T68]  <TASK>
[   25.147385][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.147566][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.147713][   T68]  netif_close_many (net/core/dev.c:1804)
[   25.147898][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.148069][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.148239][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.148411][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   25.148587][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.148790][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.149006][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.149181][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.149356][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   25.149546][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.149755][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.149947][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.150121][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.150293][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.150469][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.150651][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.150839][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   25.151012][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.151187][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   25.151360][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.151538][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.151717][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.151903][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.152079][   T68]  process_one_work (kernel/workqueue.c:3314)
[   25.152256][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.152427][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.152614][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.152790][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.152978][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.153185][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.153360][   T68]  kthread (kernel/kthread.c:436)
[   25.153508][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.153712][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.153897][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.154072][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.154277][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.154449][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.154628][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.157281][   T68] ------------[ cut here ]------------
| [   25.157410][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   25.157653][   T68] Modules linked in: vxlan
| [   25.158661][   T68] Tainted: [W]=WARN
[   25.158757][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.158996][   T68] Workqueue: netns cleanup_net
[   25.159124][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.159282][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.159725][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   25.159887][   T68] RAX: 00000000ffffffa6 RBX: ff1100000ceb0200 RCX: 1ff4000000092ed5
[   25.160073][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceb02bc
[   25.160256][   T68] RBP: ff1100000fd59000 R08: 1fe22000019d6059 R09: ff1100000915aed0
[   25.160435][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.160618][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.160798][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   25.161013][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.161169][   T68] CR2: 00007f314d685668 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   25.161351][   T68] PKRU: 55555554
[   25.161441][   T68] Call Trace:
[   25.161537][   T68]  <TASK>
[   25.161600][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.161755][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.161915][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.162042][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.162166][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.162287][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.162409][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.162537][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.162659][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   25.162779][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.162910][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   25.163032][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.163153][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.163273][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.163392][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.163518][   T68]  process_one_work (kernel/workqueue.c:3314)
[   25.163643][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.163763][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.163894][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.164019][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.164140][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.164262][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.164381][   T68]  kthread (kernel/kthread.c:436)
[   25.164476][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.164632][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.164753][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.164880][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.165033][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.165153][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.165272][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.231879][  T789] ------------[ cut here ]------------
| [   25.232071][  T789] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/789
| [   25.232353][  T789] Modules linked in: vxlan
| [   25.232877][  T789] Tainted: [W]=WARN
[   25.233024][  T789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.233236][  T789] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.233456][  T789] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.233996][  T789] RSP: 0018:ffa0000001ac7a80 EFLAGS: 00010286
[   25.234216][  T789] RAX: 00000000ffffffa6 RBX: ff11000008e558c0 RCX: 1ff4000000358f16
[   25.234462][  T789] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e5597c
[   25.234714][  T789] RBP: ff1100000fd5c000 R08: 1fe22000011cab31 R09: ff1100000f850b80
[   25.234969][  T789] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.235212][  T789] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd5c000
[   25.235458][  T789] FS:  00007f13afc3b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.235743][  T789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.235969][  T789] CR2: 00007f13afe3cc20 CR3: 00000000097dd002 CR4: 0000000000771ef0
[   25.236213][  T789] PKRU: 55555554
[   25.236358][  T789] Call Trace:
[   25.236513][  T789]  <TASK>
[   25.236628][  T789]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.236810][  T789]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.237002][  T789]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.237151][  T789]  register_netdevice (net/core/dev.c:11488)
[   25.237332][  T789]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.237552][  T789]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.237737][  T789]  register_netdev (net/core/dev.c:11552)
[   25.237930][  T789]  loopback_net_init (drivers/net/loopback.c:218)
[   25.238112][  T789]  ops_init (net/core/net_namespace.c:137)
[   25.238261][  T789]  setup_net (net/core/net_namespace.c:446)
[   25.238408][  T789]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.238588][  T789]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.238767][  T789]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.238963][  T789]  copy_net_ns (net/core/net_namespace.c:579)
[   25.239144][  T789]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.239325][  T789]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.239511][  T789]  ksys_unshare (kernel/fork.c:3243)
[   25.239691][  T789]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.239883][  T789]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.240061][  T789]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.240246][  T789]  ? __ia32_sys_open (fs/open.c:1374)
[   25.240429][  T789]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.240614][  T789]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.240793][  T789]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.240984][  T789]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.241164][  T789]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.241344][  T789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.241559][  T789] RIP: 0033:0x7f13afefdbcb
[   25.241747][  T789] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.242282][  T789] RSP: 002b:00007fffe7f89688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.242533][  T789] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13afefdbcb
[   25.242779][  T789] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.243034][  T789] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.243276][  T789] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe7f8b8b0
[   25.243527][  T789] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe7f8c88c
| [   25.248698][  T789] ------------[ cut here ]------------
| [   25.248885][  T789] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/789
| [   25.249161][  T789] Modules linked in: vxlan
| [   25.249664][  T789] Tainted: [W]=WARN
[   25.249810][  T789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.250034][  T789] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.250253][  T789] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.250770][  T789] RSP: 0018:ffa0000001ac7918 EFLAGS: 00010286
[   25.251525][  T789] RAX: 00000000ffffffa6 RBX: ff1100000ff6a040 RCX: 1ff4000000358ee9
[   25.251839][  T789] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6a0fc
[   25.252149][  T789] RBP: ff110000078bc000 R08: 1fe2200001fed421 R09: ff1100000f850b80
[   25.252445][  T789] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.252747][  T789] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000078bc000
[   25.253057][  T789] FS:  00007f13afc3b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.253391][  T789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.253664][  T789] CR2: 00007f13afe3cc20 CR3: 00000000097dd002 CR4: 0000000000771ef0
[   25.253977][  T789] PKRU: 55555554
[   25.254175][  T789] Call Trace:
[   25.254372][  T789]  <TASK>
[   25.254549][  T789]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.254786][  T789]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.255033][  T789]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.255234][  T789]  register_netdevice (net/core/dev.c:11488)
[   25.255468][  T789]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.255743][  T789]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.255989][  T789]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   25.256223][  T789]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   25.256453][  T789]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   25.256696][  T789]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   25.256942][  T789]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   25.257176][  T789]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   25.257411][  T789]  ops_init (net/core/net_namespace.c:137)
[   25.257618][  T789]  setup_net (net/core/net_namespace.c:446)
[   25.257844][  T789]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.258019][  T789]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.258199][  T789]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.258383][  T789]  copy_net_ns (net/core/net_namespace.c:579)
[   25.258570][  T789]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.258753][  T789]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.258944][  T789]  ksys_unshare (kernel/fork.c:3243)
[   25.259123][  T789]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.259300][  T789]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.259487][  T789]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.259670][  T789]  ? __ia32_sys_open (fs/open.c:1374)
[   25.259863][  T789]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.260041][  T789]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.260218][  T789]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.260396][  T789]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.260582][  T789]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.260762][  T789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.260984][  T789] RIP: 0033:0x7f13afefdbcb
[   25.261172][  T789] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.261686][  T789] RSP: 002b:00007fffe7f89688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.261946][  T789] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13afefdbcb
[   25.262191][  T789] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.262431][  T789] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.262680][  T789] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe7f8b8b0
[   25.262935][  T789] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe7f8c88c
| [   25.274067][  T789] ------------[ cut here ]------------
| [   25.274248][  T789] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/789
| [   25.274533][  T789] Modules linked in: vxlan
| [   25.275123][  T789] Tainted: [W]=WARN
[   25.275269][  T789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.275491][  T789] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.275713][  T789] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.276244][  T789] RSP: 0018:ffa0000001ac78f8 EFLAGS: 00010286
[   25.276461][  T789] RAX: 00000000ffffffa6 RBX: ff1100000d0fa040 RCX: 1ff4000000358ee5
[   25.276718][  T789] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fa0fc
[   25.276976][  T789] RBP: ff11000009599000 R08: 1fe2200001a1f421 R09: ff1100000f850b80
[   25.277221][  T789] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.277467][  T789] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009599000
[   25.277722][  T789] FS:  00007f13afc3b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.278023][  T789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.278240][  T789] CR2: 00007f13afe3cc20 CR3: 00000000097dd002 CR4: 0000000000771ef0
[   25.278493][  T789] PKRU: 55555554
[   25.278639][  T789] Call Trace:
[   25.278785][  T789]  <TASK>
[   25.278910][  T789]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.279092][  T789]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.279271][  T789]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.279422][  T789]  register_netdevice (net/core/dev.c:11488)
[   25.279616][  T789]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.279844][  T789]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.280026][  T789]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   25.280207][  T789]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   25.280385][  T789]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   25.280575][  T789]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   25.280759][  T789]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   25.280954][  T789]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   25.281135][  T789]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.281319][  T789]  vti_init_net (net/ipv4/ip_vti.c:517)
[   25.281507][  T789]  ops_init (net/core/net_namespace.c:137)
[   25.281658][  T789]  setup_net (net/core/net_namespace.c:446)
[   25.281806][  T789]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.281996][  T789]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.282178][  T789]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.282362][  T789]  copy_net_ns (net/core/net_namespace.c:579)
[   25.282555][  T789]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.282740][  T789]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.282937][  T789]  ksys_unshare (kernel/fork.c:3243)
[   25.283118][  T789]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.283300][  T789]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.283489][  T789]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.283672][  T789]  ? __ia32_sys_open (fs/open.c:1374)
[   25.283866][  T789]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.284046][  T789]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.284226][  T789]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.284407][  T789]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.284594][  T789]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.284775][  T789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.285002][  T789] RIP: 0033:0x7f13afefdbcb
[   25.285191][  T789] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.285718][  T789] RSP: 002b:00007fffe7f89688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.285979][  T789] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13afefdbcb
[   25.286223][  T789] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.286470][  T789] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.286724][  T789] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe7f8b8b0
[   25.286982][  T789] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe7f8c88c
| [   25.291587][  T789] ------------[ cut here ]------------
| [   25.291767][  T789] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/789
| [   25.292060][  T789] Modules linked in: vxlan
| [   25.292559][  T789] Tainted: [W]=WARN
[   25.292705][  T789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.292931][  T789] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.293150][  T789] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.293673][  T789] RSP: 0018:ffa0000001ac7a78 EFLAGS: 00010286
[   25.293899][  T789] RAX: 00000000ffffffa6 RBX: ff11000008e551c0 RCX: 1ff4000000358f15
[   25.294145][  T789] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e5527c
[   25.294387][  T789] RBP: ff11000009671000 R08: 1fe22000011caa51 R09: ff1100000f850b80
[   25.294641][  T789] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.294896][  T789] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009671000
[   25.295145][  T789] FS:  00007f13afc3b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.295421][  T789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.295643][  T789] CR2: 00007f13afe3cc20 CR3: 00000000097dd002 CR4: 0000000000771ef0
[   25.295903][  T789] PKRU: 55555554
[   25.296049][  T789] Call Trace:
[   25.296194][  T789]  <TASK>
[   25.296311][  T789]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.296497][  T789]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.296677][  T789]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.296838][  T789]  register_netdevice (net/core/dev.c:11488)
[   25.297018][  T789]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.297227][  T789]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.297409][  T789]  register_netdev (net/core/dev.c:11552)
[   25.297603][  T789]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   25.297788][  T789]  ops_init (net/core/net_namespace.c:137)
[   25.297947][  T789]  setup_net (net/core/net_namespace.c:446)
[   25.298095][  T789]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.298272][  T789]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.298454][  T789]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.298643][  T789]  copy_net_ns (net/core/net_namespace.c:579)
[   25.298841][  T789]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.299026][  T789]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.299208][  T789]  ksys_unshare (kernel/fork.c:3243)
[   25.299388][  T789]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.299577][  T789]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.299757][  T789]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.299954][  T789]  ? __ia32_sys_open (fs/open.c:1374)
[   25.300139][  T789]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.300318][  T789]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.300504][  T789]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.300686][  T789]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.300879][  T789]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.301060][  T789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.301270][  T789] RIP: 0033:0x7f13afefdbcb
[   25.301455][  T789] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.301991][  T789] RSP: 002b:00007fffe7f89688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.302237][  T789] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13afefdbcb
[   25.302488][  T789] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.302735][  T789] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.302991][  T789] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe7f8b8b0
[   25.303234][  T789] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe7f8c88c
| [   25.307862][  T789] ------------[ cut here ]------------
| [   25.308043][  T789] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/789
| [   25.308320][  T789] Modules linked in: vxlan
| [   25.309021][  T789] Tainted: [W]=WARN
[   25.309168][  T789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.309380][  T789] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.309610][  T789] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.310139][  T789] RSP: 0018:ffa0000001ac7a68 EFLAGS: 00010286
[   25.310354][  T789] RAX: 00000000ffffffa6 RBX: ff1100000947ba80 RCX: 1ff4000000358f13
[   25.310605][  T789] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947bb3c
[   25.310860][  T789] RBP: ff1100000a804000 R08: 1fe220000128f769 R09: ff1100000f850b80
[   25.311106][  T789] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.311351][  T789] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a804000
[   25.311608][  T789] FS:  00007f13afc3b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.311899][  T789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.312115][  T789] CR2: 00007f13afe3cc20 CR3: 00000000097dd002 CR4: 0000000000771ef0
[   25.312362][  T789] PKRU: 55555554
[   25.312514][  T789] Call Trace:
[   25.312660][  T789]  <TASK>
[   25.312775][  T789]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.312969][  T789]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.313149][  T789]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.313298][  T789]  register_netdevice (net/core/dev.c:11488)
[   25.313490][  T789]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.313705][  T789]  register_netdev (net/core/dev.c:11552)
[   25.313898][  T789]  sit_init_net (net/ipv6/sit.c:1860)
[   25.314080][  T789]  ops_init (net/core/net_namespace.c:137)
[   25.314229][  T789]  setup_net (net/core/net_namespace.c:446)
[   25.314378][  T789]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.314581][  T789]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.314767][  T789]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.314960][  T789]  copy_net_ns (net/core/net_namespace.c:579)
[   25.315141][  T789]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.315325][  T789]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.315512][  T789]  ksys_unshare (kernel/fork.c:3243)
[   25.315693][  T789]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.315884][  T789]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.316065][  T789]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.316246][  T789]  ? __ia32_sys_open (fs/open.c:1374)
[   25.316427][  T789]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.316616][  T789]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.316798][  T789]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.316991][  T789]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.317170][  T789]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.317351][  T789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.317575][  T789] RIP: 0033:0x7f13afefdbcb
[   25.317760][  T789] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.318281][  T789] RSP: 002b:00007fffe7f89688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.318535][  T789] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13afefdbcb
[   25.318780][  T789] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.319035][  T789] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.319279][  T789] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe7f8b8b0
[   25.319526][  T789] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe7f8c88c
| [   25.324911][  T789] ------------[ cut here ]------------
| [   25.325092][  T789] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/789
| [   25.325368][  T789] Modules linked in: vxlan
| [   25.325882][  T789] Tainted: [W]=WARN
[   25.326028][  T789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.326237][  T789] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.326457][  T789] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.326993][  T789] RSP: 0018:ffa0000001ac7a78 EFLAGS: 00010286
[   25.327209][  T789] RAX: 00000000ffffffa6 RBX: ff1100000c6c6580 RCX: 1ff4000000358f15
[   25.327455][  T789] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6c663c
[   25.327707][  T789] RBP: ff11000011f84000 R08: 1fe22000018d8cc9 R09: ff1100000f850b80
[   25.327961][  T789] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.328205][  T789] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011f84000
[   25.328450][  T789] FS:  00007f13afc3b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.328737][  T789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.328962][  T789] CR2: 00007f13afe3cc20 CR3: 00000000097dd002 CR4: 0000000000771ef0
[   25.329209][  T789] PKRU: 55555554
[   25.329354][  T789] Call Trace:
[   25.329506][  T789]  <TASK>
[   25.329622][  T789]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.329806][  T789]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.329998][  T789]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.330146][  T789]  register_netdevice (net/core/dev.c:11488)
[   25.330326][  T789]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.330543][  T789]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.330727][  T789]  register_netdev (net/core/dev.c:11552)
[   25.330922][  T789]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   25.331106][  T789]  ops_init (net/core/net_namespace.c:137)
[   25.331255][  T789]  setup_net (net/core/net_namespace.c:446)
[   25.331403][  T789]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.331588][  T789]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.331768][  T789]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.331963][  T789]  copy_net_ns (net/core/net_namespace.c:579)
[   25.332144][  T789]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.332329][  T789]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.332516][  T789]  ksys_unshare (kernel/fork.c:3243)
[   25.332695][  T789]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.332886][  T789]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.333065][  T789]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.333244][  T789]  ? __ia32_sys_open (fs/open.c:1374)
[   25.333424][  T789]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.333613][  T789]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.333795][  T789]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.333987][  T789]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.334166][  T789]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.334348][  T789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.334564][  T789] RIP: 0033:0x7f13afefdbcb
[   25.334752][  T789] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.335282][  T789] RSP: 002b:00007fffe7f89688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.335536][  T789] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f13afefdbcb
[   25.335779][  T789] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.336038][  T789] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.336281][  T789] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe7f8b8b0
[   25.336527][  T789] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe7f8c88c
| [   25.369791][  T790] ------------[ cut here ]------------
| [   25.369954][  T790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/790
| [   25.370188][  T790] Modules linked in: vxlan
| [   25.370597][  T790] Tainted: [W]=WARN
[   25.370697][  T790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.370870][  T790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.371042][  T790] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.371514][  T790] RSP: 0018:ffa0000001ad7020 EFLAGS: 00010286
[   25.371679][  T790] RAX: 00000000ffffffa6 RBX: ff1100000cde63c0 RCX: 1ff400000035adca
[   25.371882][  T790] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde647c
[   25.372079][  T790] RBP: ff1100000fd5c000 R08: 1fe22000019bcc91 R09: ff11000004d58b58
[   25.372275][  T790] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   25.372472][  T790] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.372675][  T790] FS:  00007f7e18518840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   25.372913][  T790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.373080][  T790] CR2: 000000001b97b988 CR3: 000000000f06d005 CR4: 0000000000771ef0
[   25.373278][  T790] PKRU: 55555554
[   25.373375][  T790] Call Trace:
[   25.373474][  T790]  <TASK>
[   25.373548][  T790]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.373681][  T790]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.373781][  T790]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.373920][  T790]  __dev_notify_flags (net/core/dev.c:9787)
[   25.374052][  T790]  ? netif_change_name (net/core/dev.c:1495)
[   25.374184][  T790]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.374315][  T790]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.374446][  T790]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.374586][  T790]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.374721][  T790]  netif_change_flags (net/core/dev.c:9820)
[   25.374860][  T790]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.374991][  T790]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.375124][  T790]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.375256][  T790]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.375421][  T790]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.375559][  T790]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.375690][  T790]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.375827][  T790]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.375960][  T790]  ? __kernel_text_address (kernel/extable.c:79)
[   25.376092][  T790]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.376225][  T790]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.376357][  T790]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.376494][  T790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.376626][  T790]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.376758][  T790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.376954][  T790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.377087][  T790]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.377219][  T790]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.377352][  T790]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.377489][  T790]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.377622][  T790]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.377757][  T790]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.377963][  T790]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.378097][  T790]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.378228][  T790]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.378360][  T790]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.378495][  T790]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.378627][  T790]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.378760][  T790]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.378961][  T790]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.379167][  T790]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.379298][  T790]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.379429][  T790]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.379567][  T790]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.379699][  T790]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.379907][  T790]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.380037][  T790]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.380174][  T790]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.380303][  T790]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.380435][  T790]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.380573][  T790]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.380704][  T790]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.380843][  T790]  ? 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))
[   25.380977][  T790]  ? 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))
[   25.381111][  T790]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.381243][  T790]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.381375][  T790]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.381512][  T790]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.381645][  T790]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.381778][  T790]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.381919][  T790]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.382052][  T790]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.382183][  T790]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.382346][  T790]  ? move_addr_to_kernel (net/socket.c:258)
[   25.382483][  T790]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.382616][  T790]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.382750][  T790]  ___sys_sendmsg (net/socket.c:2752)
[   25.382888][  T790]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.383053][  T790]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.383198][  T790]  __sys_sendmsg (net/socket.c:2784)
[   25.383332][  T790]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.383464][  T790]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.383636][  T790]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.383770][  T790]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.383911][  T790]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.384042][  T790]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.384175][  T790]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.384306][  T790]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.384469][  T790] RIP: 0033:0x7f7e1875208e
[   25.384611][  T790] 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
[   25.385084][  T790] RSP: 002b:00007fff37692b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.385282][  T790] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7e1875208e
[   25.385483][  T790] RDX: 0000000000000000 RSI: 00007fff37692c20 RDI: 0000000000000005
[   25.385681][  T790] RBP: 00007fff37692b80 R08: 0000000000000000 R09: 0000000000000000
[   25.385884][  T790] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b8
[   25.386082][  T790] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff376932f0
| [   25.493470][  T793] ------------[ cut here ]------------
| [   25.493636][  T793] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/793
| [   25.493891][  T793] Modules linked in: vxlan
| [   25.494322][  T793] Tainted: [W]=WARN
[   25.494429][  T793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.494611][  T793] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.494797][  T793] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.495301][  T793] RSP: 0018:ffa0000001b06fd0 EFLAGS: 00010286
[   25.495482][  T793] RAX: 00000000ffffffa6 RBX: ff11000009780040 RCX: 1ff4000000360dc0
[   25.495696][  T793] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097800fc
[   25.495909][  T793] RBP: ff1100000fbd2000 R08: 1fe22000012f0021 R09: ff1100000f50ae80
[   25.496119][  T793] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.496330][  T793] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbd2e44
[   25.496549][  T793] FS:  00007fd629bcf840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   25.496796][  T793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.496976][  T793] CR2: 00007fd629dc8460 CR3: 000000000fb6b004 CR4: 0000000000771ef0
[   25.497186][  T793] PKRU: 55555554
[   25.497291][  T793] Call Trace:
[   25.497399][  T793]  <TASK>
[   25.497471][  T793]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.497620][  T793]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   25.497766][  T793]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.497879][  T793]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   25.498023][  T793]  __dev_notify_flags (net/core/dev.c:9787)
[   25.498164][  T793]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.498305][  T793]  ? netif_change_name (net/core/dev.c:1495)
[   25.498449][  T793]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   25.498600][  T793]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.498743][  T793] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   25.498894][  T793]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   25.499039][  T793] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   25.499183][  T793]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   25.499330][  T793]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   25.499471][  T793]  ? nla_strscpy (lib/nlattr.c:795)
[   25.499618][  T793]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   25.499760][  T793]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.499905][  T793]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.500045][  T793]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.500192][  T793]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.500336][  T793]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.500485][  T793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.500625][  T793]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.500766][  T793]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.500912][  T793]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.501052][  T793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.501195][  T793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.501337][  T793]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.501484][  T793]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.501624][  T793]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.501764][  T793]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.501906][  T793]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.502049][  T793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.502187][  T793]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.502327][  T793]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.502467][  T793]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.502614][  T793]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.502757][  T793]  ? 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))
[   25.502902][  T793]  ? 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))
[   25.503043][  T793]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.503184][  T793]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.503325][  T793]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.503467][  T793]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.503613][  T793]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.503755][  T793]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.503904][  T793]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.504044][  T793]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.504184][  T793]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.504357][  T793]  ? move_addr_to_kernel (net/socket.c:258)
[   25.504504][  T793]  ___sys_sendmsg (net/socket.c:2752)
[   25.504644][  T793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.504786][  T793]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.504942][  T793]  ? 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))
[   25.505083][  T793]  __sys_sendmsg (net/socket.c:2784)
[   25.505223][  T793]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.505366][  T793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.505512][  T793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.505655][  T793]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.505796][  T793]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.505940][  T793]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.506081][  T793]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.506255][  T793] RIP: 0033:0x7fd629e0908e
[   25.506402][  T793] 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
[   25.506906][  T793] RSP: 002b:00007ffc81ded980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.507118][  T793] RAX: ffffffffffffffda RBX: 00007ffc81dee130 RCX: 00007fd629e0908e
[   25.507326][  T793] RDX: 0000000000000000 RSI: 00007ffc81deda30 RDI: 0000000000000005
[   25.507539][  T793] RBP: 00007ffc81ded990 R08: 0000000000000000 R09: 0000000000000000
[   25.507748][  T793] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b8
[   25.507961][  T793] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc81dee100
| [   25.538441][  T794] ------------[ cut here ]------------
| [   25.538638][  T794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/794
| [   25.538944][  T794] Modules linked in: vxlan
| [   25.539469][  T794] Tainted: [W]=WARN
[   25.539633][  T794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.539870][  T794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.540103][  T794] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.540656][  T794] RSP: 0018:ffa0000001b06fd0 EFLAGS: 00010286
[   25.540897][  T794] RAX: 00000000ffffffa6 RBX: ff1100000a1b3700 RCX: 1ff4000000360dc0
[   25.541152][  T794] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b37bc
[   25.541408][  T794] RBP: ff1100000f362000 R08: 1fe22000014366f9 R09: ff1100000f50d180
[   25.541667][  T794] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.541938][  T794] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f362e44
[   25.542196][  T794] FS:  00007f2eb50e5840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.542495][  T794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.542719][  T794] CR2: 00007f2eb52de460 CR3: 000000000fcf3003 CR4: 0000000000771ef0
[   25.542994][  T794] PKRU: 55555554
[   25.543147][  T794] Call Trace:
[   25.543300][  T794]  <TASK>
[   25.543420][  T794]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.543622][  T794]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   25.543817][  T794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.543987][  T794]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   25.544176][  T794]  __dev_notify_flags (net/core/dev.c:9787)
[   25.544367][  T794]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.544563][  T794]  ? netif_change_name (net/core/dev.c:1495)
[   25.544753][  T794]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   25.544959][  T794]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.545150][  T794] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   25.545343][  T794]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   25.545547][  T794] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   25.545744][  T794]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   25.545946][  T794]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   25.546135][  T794]  ? nla_strscpy (lib/nlattr.c:795)
[   25.546326][  T794]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   25.546526][  T794]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.546713][  T794]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.546909][  T794]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.547107][  T794]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.547301][  T794]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.547497][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.547684][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.547886][  T794]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.548072][  T794]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.548259][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.548452][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.548652][  T794]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.548852][  T794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.549042][  T794]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.549230][  T794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.549417][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.549613][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.549802][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.550003][  T794]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.550195][  T794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.550384][  T794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.550585][  T794]  ? 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))
[   25.550787][  T794]  ? 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))
[   25.550989][  T794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.551179][  T794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.551366][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.551565][  T794]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.551755][  T794]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.551958][  T794]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.552150][  T794]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.552340][  T794]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.552534][  T794]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.552758][  T794]  ? move_addr_to_kernel (net/socket.c:258)
[   25.552967][  T794]  ___sys_sendmsg (net/socket.c:2752)
[   25.553155][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.553345][  T794]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.553550][  T794]  ? 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))
[   25.553745][  T794]  __sys_sendmsg (net/socket.c:2784)
[   25.553947][  T794]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.554139][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.554328][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.554529][  T794]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.554718][  T794]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.554922][  T794]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.555113][  T794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.555336][  T794] RIP: 0033:0x7f2eb531f08e
[   25.555536][  T794] 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
[   25.556097][  T794] RSP: 002b:00007ffd4e212890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.556357][  T794] RAX: ffffffffffffffda RBX: 00007ffd4e213040 RCX: 00007f2eb531f08e
[   25.556622][  T794] RDX: 0000000000000000 RSI: 00007ffd4e212940 RDI: 0000000000000005
[   25.556894][  T794] RBP: 00007ffd4e2128a0 R08: 0000000000000000 R09: 0000000000000000
[   25.557152][  T794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b8
[   25.557409][  T794] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4e213010
| [   25.601291][  T795] ------------[ cut here ]------------
| [   25.601477][  T795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/795
| [   25.601772][  T795] Modules linked in: vxlan
| [   25.602287][  T795] Tainted: [W]=WARN
[   25.602435][  T795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.602656][  T795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.602889][  T795] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.603413][  T795] RSP: 0018:ffa0000001b171b0 EFLAGS: 00010286
[   25.603636][  T795] RAX: 00000000ffffffa6 RBX: ff11000009781e00 RCX: 1ff4000000362dfc
[   25.604534][  T795] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009781ebc
[   25.604780][  T795] RBP: ff1100000598a000 R08: 1fe22000012f03d9 R09: ff1100000f808b80
[   25.605041][  T795] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.605285][  T795] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   25.605543][  T795] FS:  00007f7c71c3b840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.605838][  T795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.606055][  T795] CR2: 0000000000441b40 CR3: 000000000f537005 CR4: 0000000000771ef0
[   25.606303][  T795] PKRU: 55555554
[   25.606449][  T795] Call Trace:
[   25.606599][  T795]  <TASK>
[   25.606716][  T795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.606913][  T795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.607062][  T795]  __dev_notify_flags (net/core/dev.c:9787)
[   25.607245][  T795]  ? netif_change_name (net/core/dev.c:1495)
[   25.607428][  T795]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.607652][  T795]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.607850][  T795]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.608036][  T795]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   25.608219][  T795]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.608403][  T795]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.608593][  T795]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.608774][  T795]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.608974][  T795]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.609163][  T795]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.609347][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.609534][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.609717][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.609910][  T795]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.610091][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.610276][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.610459][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.610650][  T795]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.610846][  T795]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.611027][  T795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.611208][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.611392][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.611582][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.611767][  T795]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.611961][  T795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.612148][  T795]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.612333][  T795]  ? 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))
[   25.612521][  T795]  ? 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))
[   25.612706][  T795]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.612903][  T795]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.613085][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.613268][  T795]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.613453][  T795]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.613644][  T795]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.613839][  T795]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.614021][  T795]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.614201][  T795]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.614414][  T795]  ? move_addr_to_kernel (net/socket.c:258)
[   25.614612][  T795]  ___sys_sendmsg (net/socket.c:2752)
[   25.614796][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.614990][  T795]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.615181][  T795]  ? 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))
[   25.615366][  T795]  __sys_sendmsg (net/socket.c:2784)
[   25.615557][  T795]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.615745][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.615938][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.616121][  T795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.616302][  T795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.616490][  T795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.616672][  T795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.616897][  T795] RIP: 0033:0x7f7c71e7508e
[   25.617083][  T795] 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
[   25.617613][  T795] RSP: 002b:00007fff1cda4b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.617872][  T795] RAX: ffffffffffffffda RBX: 00007fff1cda52b8 RCX: 00007f7c71e7508e
[   25.618121][  T795] RDX: 0000000000000000 RSI: 00007fff1cda4bc0 RDI: 0000000000000005
[   25.618367][  T795] RBP: 00007fff1cda4b20 R08: 0000000000000000 R09: 0000000000000000
[   25.618626][  T795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b8
[   25.618885][  T795] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1cda5290
| [   25.654861][  T796] ------------[ cut here ]------------
| [   25.655049][  T796] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/796
| [   25.655332][  T796] Modules linked in: vxlan
| [   25.655861][  T796] Tainted: [W]=WARN
[   25.656011][  T796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.656228][  T796] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.656452][  T796] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.657011][  T796] RSP: 0018:ffa0000001b271b0 EFLAGS: 00010286
[   25.657229][  T796] RAX: 00000000ffffffa6 RBX: ff1100000d14fa80 RCX: 1ff4000000364dfc
[   25.657488][  T796] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14fb3c
[   25.657737][  T796] RBP: ff1100000f41a000 R08: 1fe2200001a29f69 R09: ff1100000f102e80
[   25.657997][  T796] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.658242][  T796] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   25.658502][  T796] FS:  00007f6f9a717840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   25.658787][  T796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.659012][  T796] CR2: 00007f6f9aa8c040 CR3: 0000000011822001 CR4: 0000000000771ef0
[   25.659260][  T796] PKRU: 55555554
[   25.659409][  T796] Call Trace:
[   25.659561][  T796]  <TASK>
[   25.659678][  T796]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.659874][  T796]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.660025][  T796]  __dev_notify_flags (net/core/dev.c:9787)
[   25.660207][  T796]  ? netif_change_name (net/core/dev.c:1495)
[   25.660389][  T796]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.660611][  T796]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.660795][  T796]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.660995][  T796]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   25.661180][  T796]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.661364][  T796]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.661554][  T796]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.661737][  T796]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.661937][  T796]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.662124][  T796]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.662307][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.662496][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.662680][  T796]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.662872][  T796]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.663053][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.663239][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.663421][  T796]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.663612][  T796]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.663801][  T796]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.663995][  T796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.664177][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.664361][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.664550][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.664736][  T796]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.664931][  T796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.665114][  T796]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.665302][  T796]  ? 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))
[   25.665490][  T796]  ? 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))
[   25.665675][  T796]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.665872][  T796]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.666055][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.666240][  T796]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.666423][  T796]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.666616][  T796]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.666805][  T796]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.666999][  T796]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.667180][  T796]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.667391][  T796]  ? move_addr_to_kernel (net/socket.c:258)
[   25.667586][  T796]  ___sys_sendmsg (net/socket.c:2752)
[   25.667768][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.667963][  T796]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.668157][  T796]  ? 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))
[   25.668342][  T796]  __sys_sendmsg (net/socket.c:2784)
[   25.668531][  T796]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.668715][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.668908][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.669091][  T796]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.669274][  T796]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.669457][  T796]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.669648][  T796]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.669872][  T796] RIP: 0033:0x7f6f9a95108e
[   25.670060][  T796] 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
[   25.670588][  T796] RSP: 002b:00007ffe9ad6b550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.670854][  T796] RAX: ffffffffffffffda RBX: 00007ffe9ad6bcf8 RCX: 00007f6f9a95108e
[   25.671100][  T796] RDX: 0000000000000000 RSI: 00007ffe9ad6b600 RDI: 0000000000000005
[   25.671347][  T796] RBP: 00007ffe9ad6b560 R08: 0000000000000000 R09: 0000000000000000
[   25.671603][  T796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b8
[   25.671866][  T796] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9ad6bcd0
| [   26.136110][  T825] ------------[ cut here ]------------
| [   26.136272][  T825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/825
| [   26.136506][  T825] Modules linked in: vxlan
| [   26.136913][  T825] Tainted: [W]=WARN
[   26.137010][  T825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.137169][  T825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.137335][  T825] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.137797][  T825] RSP: 0018:ffa0000001bd7190 EFLAGS: 00010286
[   26.137960][  T825] RAX: 00000000ffffffa6 RBX: ff1100000954e900 RCX: 1ff400000037adf8
[   26.138156][  T825] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954e9bc
[   26.138341][  T825] RBP: ff1100000f41a000 R08: 1fe22000012a9d39 R09: ff1100000f04d158
[   26.138535][  T825] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.138722][  T825] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.138922][  T825] FS:  00007f4e55d25840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   26.139143][  T825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.139302][  T825] CR2: 00000000152bb988 CR3: 0000000004ee0006 CR4: 0000000000771ef0
[   26.139498][  T825] PKRU: 55555554
[   26.139594][  T825] Call Trace:
[   26.139689][  T825]  <TASK>
[   26.139755][  T825]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.139980][  T825]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.140141][  T825]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.140270][  T825]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.140397][  T825]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.140561][  T825]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.140690][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.140816][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.141036][  T825]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.141162][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.141290][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.141437][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.141570][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.141697][  T825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.141888][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.142014][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.142221][  T825]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   26.142351][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.142477][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.142610][  T825]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.142737][  T825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.142918][  T825]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.143046][  T825]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.143173][  T825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.143298][  T825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.143422][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.143553][  T825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.143678][  T825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.143805][  T825]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.143994][  T825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.144121][  T825]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.144251][  T825]  ? 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))
[   26.144377][  T825]  ? 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))
[   26.144513][  T825]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.144639][  T825]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.144763][  T825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.144995][  T825]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.145126][  T825]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.145254][  T825]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.145384][  T825]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.145516][  T825]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.145642][  T825]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.145796][  T825]  ? move_addr_to_kernel (net/socket.c:258)
[   26.146019][  T825]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.146147][  T825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.146276][  T825]  ___sys_sendmsg (net/socket.c:2752)
[   26.146402][  T825]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.146569][  T825]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.146709][  T825]  __sys_sendmsg (net/socket.c:2784)
[   26.146867][  T825]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.146993][  T825]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.147150][  T825]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.147277][  T825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.147405][  T825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.147539][  T825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.147666][  T825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.147793][  T825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.147957][  T825] RIP: 0033:0x7f4e55f5f08e
[   26.148091][  T825] 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
[   26.148545][  T825] RSP: 002b:00007ffc0a41bd40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.148734][  T825] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4e55f5f08e
[   26.148927][  T825] RDX: 0000000000000000 RSI: 00007ffc0a41bdf0 RDI: 0000000000000005
[   26.149117][  T825] RBP: 00007ffc0a41bd50 R08: 0000000000000000 R09: 0000000000000000
[   26.149303][  T825] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b9
[   26.149494][  T825] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a41c4c0
| [   26.199754][  T826] ------------[ cut here ]------------
| [   26.199947][  T826] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/826
| [   26.200218][  T826] Modules linked in: vxlan
| [   26.200706][  T826] Tainted: [W]=WARN
[   26.201395][  T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.201613][  T826] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.201837][  T826] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.202323][  T826] RSP: 0018:ffa0000001c27190 EFLAGS: 00010286
[   26.202539][  T826] RAX: 00000000ffffffa6 RBX: ff1100000c786580 RCX: 1ff4000000384df8
[   26.202776][  T826] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c78663c
[   26.203022][  T826] RBP: ff1100000598a000 R08: 1fe22000018f0cc9 R09: ff1100000aa4ae58
[   26.203253][  T826] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   26.203492][  T826] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.203729][  T826] FS:  00007fb44fe6d840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   26.204008][  T826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.204212][  T826] CR2: 0000000032f0f988 CR3: 000000000f52d004 CR4: 0000000000771ef0
[   26.204453][  T826] PKRU: 55555554
[   26.204604][  T826] Call Trace:
[   26.204745][  T826]  <TASK>
[   26.204869][  T826]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.205080][  T826]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.205281][  T826]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.205458][  T826]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.205639][  T826]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.205859][  T826]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.206034][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.206205][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.206378][  T826]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.206558][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.206731][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.206937][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.207109][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.207285][  T826]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.207458][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.207640][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.207816][  T826]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   26.208007][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.208179][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.208353][  T826]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.208530][  T826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.208707][  T826]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.208893][  T826]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.209066][  T826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.209238][  T826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.209410][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.209592][  T826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.209765][  T826]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.209951][  T826]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.210125][  T826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.210299][  T826]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.210477][  T826]  ? 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))
[   26.210666][  T826]  ? 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))
[   26.210852][  T826]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.211033][  T826]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.211270][  T826]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.211515][  T826]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.211766][  T826]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.212028][  T826]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.212274][  T826]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.212453][  T826]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.212634][  T826]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.212847][  T826]  ? move_addr_to_kernel (net/socket.c:258)
[   26.213024][  T826]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.213199][  T826]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.213374][  T826]  ___sys_sendmsg (net/socket.c:2752)
[   26.213553][  T826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.213759][  T826]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.213955][  T826]  __sys_sendmsg (net/socket.c:2784)
[   26.214130][  T826]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.214302][  T826]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.214518][  T826]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.214693][  T826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.214898][  T826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.215073][  T826]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.215247][  T826]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.215423][  T826]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.215638][  T826] RIP: 0033:0x7fb4500a708e
[   26.215833][  T826] 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
[   26.216326][  T826] RSP: 002b:00007ffc0d565310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.216568][  T826] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb4500a708e
[   26.216805][  T826] RDX: 0000000000000000 RSI: 00007ffc0d5653c0 RDI: 0000000000000005
[   26.217054][  T826] RBP: 00007ffc0d565320 R08: 0000000000000000 R09: 0000000000000000
[   26.217290][  T826] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b9
[   26.217529][  T826] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0d565a90
| [   26.271435][  T827] ------------[ cut here ]------------
| [   26.271663][  T827] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/827
| [   26.272214][  T827] Modules linked in: vxlan
| [   26.272712][  T827] Tainted: [W]=WARN
[   26.272869][  T827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.273075][  T827] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.273289][  T827] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.273788][  T827] RSP: 0018:ffa0000001af7190 EFLAGS: 00010286
[   26.274003][  T827] RAX: 00000000ffffffa6 RBX: ff1100000c787c40 RCX: 1ff400000035edf8
[   26.274241][  T827] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c787cfc
[   26.274474][  T827] RBP: ff1100000f362000 R08: 1fe22000018f0fa1 R09: ff1100000f955158
[   26.274717][  T827] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   26.274962][  T827] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.275199][  T827] FS:  00007f9731a47840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   26.275466][  T827] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.275678][  T827] CR2: 000000003f838988 CR3: 000000000f3e5006 CR4: 0000000000771ef0
[   26.275927][  T827] PKRU: 55555554
[   26.276070][  T827] Call Trace:
[   26.276212][  T827]  <TASK>
[   26.276325][  T827]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.276542][  T827]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.276751][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.276936][  T827]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.277110][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.277281][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.277454][  T827]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.277636][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.277812][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.278018][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.278192][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.278369][  T827]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.278550][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.278726][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.278911][  T827]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   26.279091][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.279266][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.279439][  T827]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.279622][  T827]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.279798][  T827]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.279984][  T827]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.280159][  T827]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.280332][  T827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.280519][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.280706][  T827]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.280891][  T827]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.281065][  T827]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.281239][  T827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.281413][  T827]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.281595][  T827]  ? 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))
[   26.281771][  T827]  ? 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))
[   26.281960][  T827]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.282135][  T827]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.282307][  T827]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.282493][  T827]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.282671][  T827]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.282861][  T827]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.283040][  T827]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.283218][  T827]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.283393][  T827]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.283604][  T827]  ? move_addr_to_kernel (net/socket.c:258)
[   26.283779][  T827]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.283966][  T827]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.284143][  T827]  ___sys_sendmsg (net/socket.c:2752)
[   26.284317][  T827]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.284531][  T827]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.284718][  T827]  __sys_sendmsg (net/socket.c:2784)
[   26.284904][  T827]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.285076][  T827]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.285285][  T827]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.285460][  T827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.285647][  T827]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.285840][  T827]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.286013][  T827]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.286187][  T827]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.286391][  T827] RIP: 0033:0x7f9731c8108e
[   26.286579][  T827] 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
[   26.287089][  T827] RSP: 002b:00007ffdffec8630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.287327][  T827] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9731c8108e
[   26.287570][  T827] RDX: 0000000000000000 RSI: 00007ffdffec86e0 RDI: 0000000000000005
[   26.287804][  T827] RBP: 00007ffdffec8640 R08: 0000000000000000 R09: 0000000000000000
[   26.288053][  T827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b9
[   26.288288][  T827] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdffec8db0
| [   26.333994][  T828] ------------[ cut here ]------------
| [   26.334156][  T828] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/828
| [   26.334390][  T828] Modules linked in: vxlan
| [   26.334793][  T828] Tainted: [W]=WARN
[   26.334898][  T828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.335064][  T828] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.335230][  T828] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.335697][  T828] RSP: 0018:ffa0000001c67190 EFLAGS: 00010286
[   26.335865][  T828] RAX: 00000000ffffffa6 RBX: ff1100000da6f8c0 RCX: 1ff400000038cdf8
[   26.336054][  T828] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6f97c
[   26.336243][  T828] RBP: ff1100000fbd2000 R08: 1fe2200001b4df31 R09: ff110000096eae58
[   26.336435][  T828] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.336628][  T828] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.336818][  T828] FS:  00007fbdcc401840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   26.337049][  T828] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.337212][  T828] CR2: 00007fbdcc6d11a0 CR3: 000000000e4ef001 CR4: 0000000000771ef0
[   26.337402][  T828] PKRU: 55555554
[   26.337499][  T828] Call Trace:
[   26.337595][  T828]  <TASK>
[   26.337660][  T828]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.337830][  T828]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.337989][  T828]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.338121][  T828]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.338249][  T828]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.338374][  T828]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.338505][  T828]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.338630][  T828]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.338756][  T828]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.338971][  T828]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.339103][  T828]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.339228][  T828]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.339353][  T828]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.339479][  T828]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.339612][  T828]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   26.339740][  T828]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.339953][  T828]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.340079][  T828]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.340208][  T828]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.340334][  T828]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.340459][  T828]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.340590][  T828]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.340717][  T828]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.340908][  T828]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.341035][  T828]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.341161][  T828]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.341287][  T828]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.341415][  T828]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.341548][  T828]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.341678][  T828]  ? 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))
[   26.341803][  T828]  ? 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))
[   26.342000][  T828]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.342128][  T828]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.342256][  T828]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.342383][  T828]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.342517][  T828]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.342644][  T828]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.342773][  T828]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.342905][  T828]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.343031][  T828]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.343188][  T828]  ? move_addr_to_kernel (net/socket.c:258)
[   26.343315][  T828]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.343443][  T828]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.343576][  T828]  ___sys_sendmsg (net/socket.c:2752)
[   26.343701][  T828]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.343864][  T828]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.344004][  T828]  __sys_sendmsg (net/socket.c:2784)
[   26.344132][  T828]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.344261][  T828]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.344420][  T828]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.344549][  T828]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.344680][  T828]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.344807][  T828]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.344940][  T828]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.345066][  T828]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.345239][  T828] RIP: 0033:0x7fbdcc63b08e
[   26.345375][  T828] 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
[   26.345836][  T828] RSP: 002b:00007ffd4c024b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.346029][  T828] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbdcc63b08e
[   26.346218][  T828] RDX: 0000000000000000 RSI: 00007ffd4c024c10 RDI: 0000000000000005
[   26.346407][  T828] RBP: 00007ffd4c024b70 R08: 0000000000000000 R09: 0000000000000000
[   26.346601][  T828] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b9
[   26.346791][  T828] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4c0252e0
| [   26.432998][   T68] ------------[ cut here ]------------
| [   26.433155][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   26.433470][   T68] Modules linked in: vxlan
| [   26.433924][   T68] Tainted: [W]=WARN
[   26.434015][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.434166][   T68] Workqueue: netns cleanup_net
[   26.434296][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.434451][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.434890][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   26.435040][   T68] RAX: 00000000ffffffa6 RBX: ff1100000da6e3c0 RCX: 1ff4000000092eed
[   26.435225][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6e47c
[   26.435401][   T68] RBP: ff11000011f84000 R08: 1fe2200001b4dc91 R09: ff1100000915aed0
[   26.435587][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.435768][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.435954][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   26.436160][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.436308][   T68] CR2: 00007fbdcc4ce574 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   26.436490][   T68] PKRU: 55555554
[   26.436580][   T68] Call Trace:
[   26.436668][   T68]  <TASK>
[   26.436731][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.436901][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.437059][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   26.437188][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   26.437311][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.437428][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   26.437553][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.437678][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   26.437798][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   26.437917][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.438038][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   26.438154][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.438271][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.438389][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.438510][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.438631][   T68]  process_one_work (kernel/workqueue.c:3314)
[   26.438752][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.438925][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.439052][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.439214][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.439332][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   26.439453][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.439579][   T68]  kthread (kernel/kthread.c:436)
[   26.439667][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.439815][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.439985][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.440106][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.440254][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.440372][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.440492][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.444131][   T68] ------------[ cut here ]------------
| [   26.444254][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   26.444490][   T68] Modules linked in: vxlan
| [   26.444903][   T68] Tainted: [W]=WARN
[   26.444994][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.445141][   T68] Workqueue: netns cleanup_net
[   26.445265][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.445419][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.445859][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   26.446008][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d0fa3c0 RCX: 1ff4000000092eed
[   26.446183][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fa47c
[   26.446355][   T68] RBP: ff1100000a804000 R08: 1fe2200001a1f491 R09: ff1100000915aed0
[   26.446542][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.446720][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.446901][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   26.447104][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.447252][   T68] CR2: 00007fbdcc4ce574 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   26.447426][   T68] PKRU: 55555554
[   26.447518][   T68] Call Trace:
[   26.447606][   T68]  <TASK>
[   26.447666][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.447816][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.448017][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   26.448134][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   26.448256][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.448371][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   26.448492][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.448610][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   26.448729][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   26.448892][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.449056][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   26.449175][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.449291][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.449408][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.449528][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.449645][   T68]  process_one_work (kernel/workqueue.c:3314)
[   26.449764][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.449926][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.450047][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.450167][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.450288][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   26.450406][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.450534][   T68]  kthread (kernel/kthread.c:436)
[   26.450622][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.450767][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.450930][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.451048][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.451195][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.451311][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.451427][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.454213][   T68] ------------[ cut here ]------------
| [   26.454345][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   26.454584][   T68] Modules linked in: vxlan
| [   26.454980][   T68] Tainted: [W]=WARN
[   26.455069][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.455219][   T68] Workqueue: netns cleanup_net
[   26.455343][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.455499][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.455927][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   26.456075][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d0fbe00 RCX: 1ff4000000092eed
[   26.456249][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fbebc
[   26.456424][   T68] RBP: ff11000009671000 R08: 1fe2200001a1f7d9 R09: ff1100000915aed0
[   26.456603][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.456777][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.456966][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   26.457179][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.457325][   T68] CR2: 00007f84ebd17574 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   26.457504][   T68] PKRU: 55555554
[   26.457594][   T68] Call Trace:
[   26.457686][   T68]  <TASK>
[   26.457748][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.457908][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.458053][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   26.458170][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   26.458286][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.458402][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   26.458524][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.458646][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   26.458766][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   26.458890][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.459009][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   26.459125][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.459241][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.459359][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.459476][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.459599][   T68]  process_one_work (kernel/workqueue.c:3314)
[   26.459721][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.459847][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.459969][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.460086][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.460203][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   26.460323][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.460440][   T68]  kthread (kernel/kthread.c:436)
[   26.460531][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.460676][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.460793][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.460919][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.461066][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.461185][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.461303][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.463300][   T68] ------------[ cut here ]------------
| [   26.463417][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   26.463648][   T68] Modules linked in: vxlan
| [   26.464047][   T68] Tainted: [W]=WARN
[   26.464135][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.464285][   T68] Workqueue: netns cleanup_net
[   26.464405][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.464561][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.465077][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   26.465225][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d0fa200 RCX: 1ff4000000092eed
[   26.465399][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fa2bc
[   26.465578][   T68] RBP: ff11000009599000 R08: 1fe2200001a1f459 R09: ff1100000915aed0
[   26.465753][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.466022][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.466198][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   26.466404][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.466557][   T68] CR2: 00007f84ebd17574 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   26.466733][   T68] PKRU: 55555554
[   26.466926][   T68] Call Trace:
[   26.467016][   T68]  <TASK>
[   26.467077][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.467316][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.467462][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   26.467586][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   26.467704][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.467916][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   26.468034][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.468153][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   26.468272][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   26.468387][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.468511][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   26.468628][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.468745][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.468952][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.469069][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.469188][   T68]  process_one_work (kernel/workqueue.c:3314)
[   26.469309][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.469428][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.469555][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.469678][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.469794][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   26.470005][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.470121][   T68]  kthread (kernel/kthread.c:436)
[   26.470210][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.470355][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.470473][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.470596][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.470743][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.470958][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.471080][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.473594][   T68] ------------[ cut here ]------------
| [   26.473760][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   26.474052][   T68] Modules linked in: vxlan
| [   26.474546][   T68] Tainted: [W]=WARN
[   26.474681][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.474893][   T68] Workqueue: netns cleanup_net
[   26.475072][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.475275][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.475751][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   26.475959][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d0fa900 RCX: 1ff4000000092eed
[   26.476182][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fa9bc
[   26.476404][   T68] RBP: ff110000078bc000 R08: 1fe2200001a1f539 R09: ff1100000915aed0
[   26.476637][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   26.476878][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.477102][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   26.477355][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.477555][   T68] CR2: 000055bc7d56a3a8 CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   26.477781][   T68] PKRU: 55555554
[   26.477928][   T68] Call Trace:
[   26.478065][   T68]  <TASK>
[   26.478173][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.478373][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.478576][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   26.478745][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   26.478927][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.479124][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   26.479292][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.479459][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   26.479636][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   26.479800][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.479982][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   26.480151][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.480318][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.480493][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.480659][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.480839][   T68]  process_one_work (kernel/workqueue.c:3314)
[   26.481009][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.481173][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.481343][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.481519][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.481684][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   26.481866][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.482033][   T68]  kthread (kernel/kthread.c:436)
[   26.482169][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.482365][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.482540][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.482708][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.482921][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.483088][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.483255][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.496650][   T68] ------------[ cut here ]------------
| [   26.496845][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   26.497136][   T68] Modules linked in: vxlan
| [   26.497648][   T68] Tainted: [W]=WARN
[   26.497789][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.498007][   T68] Workqueue: netns cleanup_net
[   26.498183][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.498396][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.498908][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   26.499111][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d0faac0 RCX: 1ff4000000092eaf
[   26.499344][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fab7c
[   26.499587][   T68] RBP: ff1100000fd5c000 R08: 1fe2200001a1f571 R09: ff1100000915aed0
[   26.499844][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   26.500074][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   26.500307][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   26.500580][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.500784][   T68] CR2: 000055bc7d56a3a8 CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   26.501030][   T68] PKRU: 55555554
[   26.501168][   T68] Call Trace:
[   26.501307][   T68]  <TASK>
[   26.501418][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.501601][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.501745][   T68]  netif_close_many (net/core/dev.c:1804)
[   26.501936][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.502108][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.502281][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.502452][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   26.502628][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.502847][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   26.503050][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.503220][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.503393][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   26.503574][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.503786][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   26.503972][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   26.504147][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   26.504319][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   26.504497][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   26.504672][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   26.504860][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   26.505031][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.505211][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   26.505385][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.505561][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.505736][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.505922][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.506095][   T68]  process_one_work (kernel/workqueue.c:3314)
[   26.506272][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.506447][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.506630][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.506805][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.506990][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   26.507166][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.507369][   T68]  kthread (kernel/kthread.c:436)
[   26.507518][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.507750][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.507937][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.508110][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.508311][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.508493][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.508667][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.511331][   T68] ------------[ cut here ]------------
| [   26.511506][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   26.511794][   T68] Modules linked in: vxlan
| [   26.512916][   T68] Tainted: [W]=WARN
[   26.513099][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.513344][   T68] Workqueue: netns cleanup_net
[   26.513574][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.513861][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.514394][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   26.514674][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cd8bc40 RCX: 1ff4000000092ed5
[   26.514961][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8bcfc
[   26.515265][   T68] RBP: ff1100000fd5c000 R08: 1fe22000019b17a1 R09: ff1100000915aed0
[   26.515542][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   26.515834][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.516138][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   26.516454][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.516744][   T68] CR2: 000055bc7d56a3a8 CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   26.517046][   T68] PKRU: 55555554
[   26.517266][   T68] Call Trace:
[   26.517459][   T68]  <TASK>
[   26.517582][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.517784][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.517994][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   26.518168][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   26.518339][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   26.518522][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   26.518725][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   26.518908][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   26.519080][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   26.519277][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.519448][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   26.519621][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.519789][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.519974][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.520143][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.520315][   T68]  process_one_work (kernel/workqueue.c:3314)
[   26.520498][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.520666][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.520852][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.521052][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.521224][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   26.521393][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.521572][   T68]  kthread (kernel/kthread.c:436)
[   26.521711][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.521924][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.522095][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.522264][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.522471][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.522648][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.522835][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.641246][  T839] ------------[ cut here ]------------
| [   26.641408][  T839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/839
| [   26.641654][  T839] Modules linked in: vxlan
| [   26.642478][  T839] Tainted: [W]=WARN
[   26.642584][  T839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.642750][  T839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.642932][  T839] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.643408][  T839] RSP: 0018:ffa0000001cc7a80 EFLAGS: 00010286
[   26.643583][  T839] RAX: 00000000ffffffa6 RBX: ff1100000dbf8900 RCX: 1ff4000000398f16
[   26.643780][  T839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf89bc
[   26.643984][  T839] RBP: ff11000004c51000 R08: 1fe2200001b7f139 R09: ff1100000f432e80
[   26.644187][  T839] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   26.644382][  T839] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004c51000
[   26.644585][  T839] FS:  00007f38d61a8840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   26.644828][  T839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.644997][  T839] CR2: 00007f38d63b27d0 CR3: 000000000fa54001 CR4: 0000000000771ef0
[   26.645201][  T839] PKRU: 55555554
[   26.645302][  T839] Call Trace:
[   26.645402][  T839]  <TASK>
[   26.645472][  T839]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.645615][  T839]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.645753][  T839]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.645860][  T839]  register_netdevice (net/core/dev.c:11488)
[   26.645996][  T839]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   26.646162][  T839]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   26.646295][  T839]  register_netdev (net/core/dev.c:11552)
[   26.646425][  T839]  loopback_net_init (drivers/net/loopback.c:218)
[   26.646564][  T839]  ops_init (net/core/net_namespace.c:137)
[   26.646668][  T839]  setup_net (net/core/net_namespace.c:446)
[   26.646770][  T839]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   26.646910][  T839]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   26.647043][  T839]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   26.647181][  T839]  copy_net_ns (net/core/net_namespace.c:579)
[   26.647315][  T839]  create_new_namespaces (kernel/nsproxy.c:132)
[   26.647453][  T839]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   26.647592][  T839]  ksys_unshare (kernel/fork.c:3243)
[   26.647726][  T839]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   26.647866][  T839]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   26.648002][  T839]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   26.648136][  T839]  ? __ia32_sys_open (fs/open.c:1374)
[   26.648267][  T839]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   26.648396][  T839]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   26.648538][  T839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.648668][  T839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.648799][  T839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.648940][  T839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.649108][  T839] RIP: 0033:0x7f38d646abcb
[   26.649247][  T839] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   26.649722][  T839] RSP: 002b:00007ffe476fc288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   26.649932][  T839] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38d646abcb
[   26.650131][  T839] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   26.650327][  T839] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   26.650529][  T839] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe476fe4b0
[   26.650726][  T839] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe476fe88c
| [   26.654610][  T839] ------------[ cut here ]------------
| [   26.654750][  T839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/839
| [   26.654991][  T839] Modules linked in: vxlan
| [   26.655401][  T839] Tainted: [W]=WARN
[   26.655504][  T839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.655672][  T839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.655847][  T839] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.656320][  T839] RSP: 0018:ffa0000001cc7918 EFLAGS: 00010286
[   26.656493][  T839] RAX: 00000000ffffffa6 RBX: ff1100000c404c80 RCX: 1ff4000000398ee9
[   26.656696][  T839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c404d3c
[   26.656897][  T839] RBP: ff1100000f219000 R08: 1fe22000018809a9 R09: ff1100000f432e80
[   26.657094][  T839] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   26.657293][  T839] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f219000
[   26.657497][  T839] FS:  00007f38d61a8840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   26.657731][  T839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.657902][  T839] CR2: 00007f38d63b27d0 CR3: 000000000fa54001 CR4: 0000000000771ef0
[   26.658102][  T839] PKRU: 55555554
[   26.658202][  T839] Call Trace:
[   26.658301][  T839]  <TASK>
[   26.658371][  T839]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.658512][  T839]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.658648][  T839]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.658749][  T839]  register_netdevice (net/core/dev.c:11488)
[   26.658889][  T839]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   26.659055][  T839]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   26.659194][  T839]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   26.659331][  T839]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   26.659465][  T839]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   26.659603][  T839]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   26.659737][  T839]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   26.659875][  T839]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   26.660010][  T839]  ops_init (net/core/net_namespace.c:137)
[   26.660111][  T839]  setup_net (net/core/net_namespace.c:446)
[   26.660213][  T839]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   26.660349][  T839]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   26.660490][  T839]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   26.660629][  T839]  copy_net_ns (net/core/net_namespace.c:579)
[   26.660764][  T839]  create_new_namespaces (kernel/nsproxy.c:132)
[   26.660908][  T839]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   26.661042][  T839]  ksys_unshare (kernel/fork.c:3243)
[   26.661173][  T839]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   26.661306][  T839]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   26.661438][  T839]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   26.661576][  T839]  ? __ia32_sys_open (fs/open.c:1374)
[   26.661711][  T839]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   26.661846][  T839]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   26.661978][  T839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.662110][  T839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.662242][  T839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.662371][  T839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.662539][  T839] RIP: 0033:0x7f38d646abcb
[   26.662675][  T839] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   26.663150][  T839] RSP: 002b:00007ffe476fc288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   26.663347][  T839] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38d646abcb
[   26.663548][  T839] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   26.663744][  T839] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   26.663948][  T839] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe476fe4b0
[   26.664143][  T839] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe476fe88c
| [   26.676579][  T839] ------------[ cut here ]------------
| [   26.676730][  T839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/839
| [   26.676976][  T839] Modules linked in: vxlan
| [   26.677387][  T839] Tainted: [W]=WARN
[   26.677493][  T839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.677661][  T839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.677837][  T839] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.678307][  T839] RSP: 0018:ffa0000001cc78f8 EFLAGS: 00010286
[   26.678478][  T839] RAX: 00000000ffffffa6 RBX: ff1100000b3b71c0 RCX: 1ff4000000398ee5
[   26.678681][  T839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b727c
[   26.678886][  T839] RBP: ff1100000fc59000 R08: 1fe2200001676e51 R09: ff1100000f432e80
[   26.679085][  T839] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.679280][  T839] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc59000
[   26.679478][  T839] FS:  00007f38d61a8840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   26.679714][  T839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.679887][  T839] CR2: 00007f508962a574 CR3: 000000000fa54005 CR4: 0000000000771ef0
[   26.680085][  T839] PKRU: 55555554
[   26.680186][  T839] Call Trace:
[   26.680286][  T839]  <TASK>
[   26.680356][  T839]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.680493][  T839]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.680628][  T839]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.680729][  T839]  register_netdevice (net/core/dev.c:11488)
[   26.680869][  T839]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   26.681038][  T839]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   26.681173][  T839]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   26.681306][  T839]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   26.681440][  T839]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   26.681580][  T839]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   26.681713][  T839]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   26.681853][  T839]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   26.681988][  T839]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   26.682123][  T839]  vti_init_net (net/ipv4/ip_vti.c:517)
[   26.682257][  T839]  ops_init (net/core/net_namespace.c:137)
[   26.682360][  T839]  setup_net (net/core/net_namespace.c:446)
[   26.682461][  T839]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   26.682596][  T839]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   26.682729][  T839]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   26.682869][  T839]  copy_net_ns (net/core/net_namespace.c:579)
[   26.683002][  T839]  create_new_namespaces (kernel/nsproxy.c:132)
[   26.683138][  T839]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   26.683272][  T839]  ksys_unshare (kernel/fork.c:3243)
[   26.683405][  T839]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   26.683545][  T839]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   26.683678][  T839]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   26.683812][  T839]  ? __ia32_sys_open (fs/open.c:1374)
[   26.683953][  T839]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   26.684087][  T839]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   26.684220][  T839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.684353][  T839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.684493][  T839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.684627][  T839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.684796][  T839] RIP: 0033:0x7f38d646abcb
[   26.684939][  T839] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   26.685408][  T839] RSP: 002b:00007ffe476fc288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   26.685615][  T839] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38d646abcb
[   26.685815][  T839] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   26.686020][  T839] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   26.686216][  T839] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe476fe4b0
[   26.686414][  T839] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe476fe88c
| [   26.690565][  T839] ------------[ cut here ]------------
| [   26.690705][  T839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/839
| [   26.690938][  T839] Modules linked in: vxlan
| [   26.691345][  T839] Tainted: [W]=WARN
[   26.691444][  T839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.691614][  T839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.691785][  T839] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.692258][  T839] RSP: 0018:ffa0000001cc7a78 EFLAGS: 00010286
[   26.692426][  T839] RAX: 00000000ffffffa6 RBX: ff1100000cb82580 RCX: 1ff4000000398f15
[   26.692627][  T839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb8263c
[   26.692829][  T839] RBP: ff1100000fa2c000 R08: 1fe22000019704c9 R09: ff1100000f432e80
[   26.693025][  T839] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.693222][  T839] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa2c000
[   26.693420][  T839] FS:  00007f38d61a8840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   26.693656][  T839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.693829][  T839] CR2: 00007f508962a574 CR3: 000000000fa54005 CR4: 0000000000771ef0
[   26.694026][  T839] PKRU: 55555554
[   26.694126][  T839] Call Trace:
[   26.694224][  T839]  <TASK>
[   26.694291][  T839]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.694424][  T839]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.694560][  T839]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.694660][  T839]  register_netdevice (net/core/dev.c:11488)
[   26.694795][  T839]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   26.694962][  T839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.695095][  T839]  register_netdev (net/core/dev.c:11552)
[   26.695230][  T839]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   26.695362][  T839]  ops_init (net/core/net_namespace.c:137)
[   26.695462][  T839]  setup_net (net/core/net_namespace.c:446)
[   26.695569][  T839]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   26.695698][  T839]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   26.695834][  T839]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   26.695966][  T839]  copy_net_ns (net/core/net_namespace.c:579)
[   26.696098][  T839]  create_new_namespaces (kernel/nsproxy.c:132)
[   26.696233][  T839]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   26.696365][  T839]  ksys_unshare (kernel/fork.c:3243)
[   26.696500][  T839]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   26.696633][  T839]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   26.696764][  T839]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   26.696900][  T839]  ? __ia32_sys_open (fs/open.c:1374)
[   26.697034][  T839]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   26.697163][  T839]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   26.697293][  T839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.697425][  T839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.697560][  T839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.697691][  T839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.697859][  T839] RIP: 0033:0x7f38d646abcb
[   26.697995][  T839] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   26.698455][  T839] RSP: 002b:00007ffe476fc288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   26.698659][  T839] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38d646abcb
[   26.698860][  T839] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   26.699056][  T839] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   26.699253][  T839] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe476fe4b0
[   26.699449][  T839] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe476fe88c
| [   26.703962][  T839] ------------[ cut here ]------------
| [   26.704102][  T839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/839
| [   26.704331][  T839] Modules linked in: vxlan
| [   26.704736][  T839] Tainted: [W]=WARN
[   26.704889][  T839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.705057][  T839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.705227][  T839] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.705702][  T839] RSP: 0018:ffa0000001cc7a68 EFLAGS: 00010286
[   26.705872][  T839] RAX: 00000000ffffffa6 RBX: ff1100000cb83000 RCX: 1ff4000000398f13
[   26.706070][  T839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb830bc
[   26.706268][  T839] RBP: ff1100000f064000 R08: 1fe2200001970619 R09: ff1100000f432e80
[   26.706465][  T839] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.706669][  T839] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f064000
[   26.706872][  T839] FS:  00007f38d61a8840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   26.707150][  T839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.707387][  T839] CR2: 00007f508962a574 CR3: 000000000fa54005 CR4: 0000000000771ef0
[   26.707591][  T839] PKRU: 55555554
[   26.707692][  T839] Call Trace:
[   26.707791][  T839]  <TASK>
[   26.707868][  T839]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.708000][  T839]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.708133][  T839]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.708235][  T839]  register_netdevice (net/core/dev.c:11488)
[   26.708370][  T839]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   26.708541][  T839]  register_netdev (net/core/dev.c:11552)
[   26.708671][  T839]  sit_init_net (net/ipv6/sit.c:1860)
[   26.708805][  T839]  ops_init (net/core/net_namespace.c:137)
[   26.708912][  T839]  setup_net (net/core/net_namespace.c:446)
[   26.709013][  T839]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   26.709144][  T839]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   26.709276][  T839]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   26.709410][  T839]  copy_net_ns (net/core/net_namespace.c:579)
[   26.709549][  T839]  create_new_namespaces (kernel/nsproxy.c:132)
[   26.709685][  T839]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   26.709817][  T839]  ksys_unshare (kernel/fork.c:3243)
[   26.709954][  T839]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   26.710086][  T839]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   26.710216][  T839]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   26.710348][  T839]  ? __ia32_sys_open (fs/open.c:1374)
[   26.710487][  T839]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   26.710617][  T839]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   26.710751][  T839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.710889][  T839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.711021][  T839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.711154][  T839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.711317][  T839] RIP: 0033:0x7f38d646abcb
[   26.711456][  T839] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   26.711934][  T839] RSP: 002b:00007ffe476fc288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   26.712132][  T839] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38d646abcb
[   26.712328][  T839] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   26.712531][  T839] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   26.712726][  T839] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe476fe4b0
[   26.712926][  T839] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe476fe88c
| [   26.718982][  T839] ------------[ cut here ]------------
| [   26.719117][  T839] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/839
| [   26.719343][  T839] Modules linked in: vxlan
| [   26.719753][  T839] Tainted: [W]=WARN
[   26.719859][  T839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.720022][  T839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.720190][  T839] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.720668][  T839] RSP: 0018:ffa0000001cc7a78 EFLAGS: 00010286
[   26.720890][  T839] RAX: 00000000ffffffa6 RBX: ff1100000c937540 RCX: 1ff4000000398f15
[   26.721089][  T839] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9375fc
[   26.721284][  T839] RBP: ff110000083e1000 R08: 1fe2200001926ec1 R09: ff1100000f432e80
[   26.721480][  T839] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.721687][  T839] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000083e1000
[   26.721941][  T839] FS:  00007f38d61a8840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   26.722171][  T839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.722333][  T839] CR2: 00007f508962a574 CR3: 000000000fa54005 CR4: 0000000000771ef0
[   26.722535][  T839] PKRU: 55555554
[   26.722634][  T839] Call Trace:
[   26.722732][  T839]  <TASK>
[   26.722799][  T839]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.722982][  T839]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.723114][  T839]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.723213][  T839]  register_netdevice (net/core/dev.c:11488)
[   26.723346][  T839]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   26.723516][  T839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.723650][  T839]  register_netdev (net/core/dev.c:11552)
[   26.723781][  T839]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   26.723967][  T839]  ops_init (net/core/net_namespace.c:137)
[   26.724068][  T839]  setup_net (net/core/net_namespace.c:446)
[   26.724168][  T839]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   26.724298][  T839]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   26.724430][  T839]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   26.724567][  T839]  copy_net_ns (net/core/net_namespace.c:579)
[   26.724701][  T839]  create_new_namespaces (kernel/nsproxy.c:132)
[   26.724887][  T839]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   26.725017][  T839]  ksys_unshare (kernel/fork.c:3243)
[   26.725148][  T839]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   26.725281][  T839]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   26.725412][  T839]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   26.725550][  T839]  ? __ia32_sys_open (fs/open.c:1374)
[   26.725681][  T839]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   26.725810][  T839]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   26.725994][  T839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.726127][  T839]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.726257][  T839]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.726388][  T839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.726556][  T839] RIP: 0033:0x7f38d646abcb
[   26.726693][  T839] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   26.727215][  T839] RSP: 002b:00007ffe476fc288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   26.727410][  T839] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f38d646abcb
[   26.727608][  T839] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   26.727803][  T839] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   26.728054][  T839] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe476fe4b0
[   26.728249][  T839] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe476fe88c
| [   26.759190][  T840] ------------[ cut here ]------------
| [   26.759338][  T840] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/840
| [   26.759572][  T840] Modules linked in: vxlan
| [   26.760719][  T840] Tainted: [W]=WARN
[   26.760877][  T840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.761060][  T840] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.761233][  T840] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.761709][  T840] RSP: 0018:ffa0000001cd7020 EFLAGS: 00010286
[   26.761934][  T840] RAX: 00000000ffffffa6 RBX: ff1100000c32d1c0 RCX: 1ff400000039adca
[   26.762132][  T840] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32d27c
[   26.762333][  T840] RBP: ff11000004c51000 R08: 1fe2200001865a51 R09: ff1100000f435158
[   26.762541][  T840] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   26.762736][  T840] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.762993][  T840] FS:  00007f08c1e88840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   26.763223][  T840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.763391][  T840] CR2: 00000000233fc988 CR3: 0000000011cde003 CR4: 0000000000771ef0
[   26.763593][  T840] PKRU: 55555554
[   26.763691][  T840] Call Trace:
[   26.763790][  T840]  <TASK>
[   26.763874][  T840]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.764009][  T840]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.764109][  T840]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.764244][  T840]  __dev_notify_flags (net/core/dev.c:9787)
[   26.764381][  T840]  ? netif_change_name (net/core/dev.c:1495)
[   26.764519][  T840]  ? __dev_change_flags (net/core/dev.c:9752)
[   26.764657][  T840]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.764787][  T840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.764924][  T840]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   26.765058][  T840]  netif_change_flags (net/core/dev.c:9820)
[   26.765195][  T840]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.765327][  T840]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.765461][  T840]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.765609][  T840]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.765776][  T840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.765912][  T840]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.766045][  T840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.766176][  T840]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.766310][  T840]  ? __kernel_text_address (kernel/extable.c:79)
[   26.766442][  T840]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.766586][  T840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.766731][  T840]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.766867][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.767000][  T840]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.767130][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.767264][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.767395][  T840]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.767531][  T840]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   26.767669][  T840]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.767802][  T840]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.767940][  T840]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.768075][  T840]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.768211][  T840]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.768343][  T840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.768474][  T840]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.768610][  T840]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.768740][  T840]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.768876][  T840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.769017][  T840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.769148][  T840]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.769283][  T840]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.769417][  T840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.769554][  T840]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.769683][  T840]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.769814][  T840]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.769952][  T840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.770082][  T840]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.770217][  T840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.770348][  T840]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.770481][  T840]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.770618][  T840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.770749][  T840]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.770889][  T840]  ? 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))
[   26.771022][  T840]  ? 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))
[   26.771156][  T840]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.771289][  T840]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.771423][  T840]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.771561][  T840]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.771693][  T840]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.771834][  T840]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.771969][  T840]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.772102][  T840]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.772235][  T840]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.772399][  T840]  ? move_addr_to_kernel (net/socket.c:258)
[   26.772537][  T840]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.772669][  T840]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.772802][  T840]  ___sys_sendmsg (net/socket.c:2752)
[   26.772938][  T840]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.773103][  T840]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.773247][  T840]  __sys_sendmsg (net/socket.c:2784)
[   26.773380][  T840]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.773518][  T840]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.773684][  T840]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.773815][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.773952][  T840]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.774084][  T840]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.774218][  T840]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.774349][  T840]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.774518][  T840] RIP: 0033:0x7f08c20c208e
[   26.774657][  T840] 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
[   26.775134][  T840] RSP: 002b:00007fffe722d830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.775330][  T840] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f08c20c208e
[   26.775537][  T840] RDX: 0000000000000000 RSI: 00007fffe722d8e0 RDI: 0000000000000005
[   26.775734][  T840] RBP: 00007fffe722d840 R08: 0000000000000000 R09: 0000000000000000
[   26.775935][  T840] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8b9
[   26.776132][  T840] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe722dfb0
| [   26.880891][  T843] ------------[ cut here ]------------
| [   26.881069][  T843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/843
| [   26.881331][  T843] Modules linked in: vxlan
| [   26.881788][  T843] Tainted: [W]=WARN
[   26.881906][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.882091][  T843] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.882275][  T843] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.882782][  T843] RSP: 0018:ffa0000001cf6fd0 EFLAGS: 00010286
[   26.882970][  T843] RAX: 00000000ffffffa6 RBX: ff1100000cde7700 RCX: 1ff400000039edc0
[   26.883182][  T843] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde77bc
[   26.883394][  T843] RBP: ff1100000f17a000 R08: 1fe22000019bcef9 R09: ff11000012445180
[   26.883611][  T843] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   26.883829][  T843] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f17ae44
[   26.884046][  T843] FS:  00007f6be42c0840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   26.884295][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.884474][  T843] CR2: 00007f6be44b9460 CR3: 0000000011f21003 CR4: 0000000000771ef0
[   26.884695][  T843] PKRU: 55555554
[   26.884802][  T843] Call Trace:
[   26.884916][  T843]  <TASK>
[   26.884991][  T843]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.885136][  T843]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   26.885282][  T843]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.885390][  T843]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   26.885538][  T843]  __dev_notify_flags (net/core/dev.c:9787)
[   26.885681][  T843]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.885833][  T843]  ? netif_change_name (net/core/dev.c:1495)
[   26.885978][  T843]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   26.886123][  T843]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   26.886266][  T843] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   26.886413][  T843]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   26.886565][  T843] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   26.886708][  T843]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   26.886966][  T843]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   26.887190][  T843]  ? nla_strscpy (lib/nlattr.c:795)
[   26.887339][  T843]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   26.887486][  T843]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   26.887638][  T843]  ? __dev_get_by_name (net/core/dev.c:883)
[   26.887780][  T843]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   26.888004][  T843]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   26.888153][  T843]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.888298][  T843]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.888441][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.888587][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.888730][  T843]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.888899][  T843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.889044][  T843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.889186][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.889332][  T843]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.889474][  T843]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.889622][  T843]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.889763][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.889908][  T843]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.890048][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.890189][  T843]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.890332][  T843]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.890476][  T843]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.890628][  T843]  ? 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))
[   26.890768][  T843]  ? 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))
[   26.890916][  T843]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.891059][  T843]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.891200][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.891345][  T843]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.891495][  T843]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.891639][  T843]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.891785][  T843]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.891933][  T843]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.892074][  T843]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.892249][  T843]  ? move_addr_to_kernel (net/socket.c:258)
[   26.892394][  T843]  ___sys_sendmsg (net/socket.c:2752)
[   26.892542][  T843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.892684][  T843]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.892839][  T843]  ? 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))
[   26.892982][  T843]  __sys_sendmsg (net/socket.c:2784)
[   26.893125][  T843]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.893270][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.893412][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.893560][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.893706][  T843]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.893856][  T843]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.894000][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.894177][  T843] RIP: 0033:0x7f6be44fa08e
[   26.894325][  T843] 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
[   26.894836][  T843] RSP: 002b:00007fffc070a9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.895050][  T843] RAX: ffffffffffffffda RBX: 00007fffc070b170 RCX: 00007f6be44fa08e
[   26.895270][  T843] RDX: 0000000000000000 RSI: 00007fffc070aa70 RDI: 0000000000000005
[   26.895497][  T843] RBP: 00007fffc070a9d0 R08: 0000000000000000 R09: 0000000000000000
[   26.895711][  T843] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ba
[   26.895928][  T843] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc070b140
| [   26.936910][  T844] ------------[ cut here ]------------
| [   26.937198][  T844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/844
| [   26.937643][  T844] Modules linked in: vxlan
| [   26.938432][  T844] Tainted: [W]=WARN
[   26.938656][  T844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.938996][  T844] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.939334][  T844] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.940181][  T844] RSP: 0018:ffa0000001d06fd0 EFLAGS: 00010286
[   26.940520][  T844] RAX: 00000000ffffffa6 RBX: ff11000009c4ce40 RCX: 1ff40000003a0dc0
[   26.940918][  T844] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4cefc
[   26.941294][  T844] RBP: ff1100000f3c2000 R08: 1fe22000013899e1 R09: ff1100000aab5180
[   26.941678][  T844] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   26.942073][  T844] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3c2e44
[   26.942458][  T844] FS:  00007f4ffabc0840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   26.942915][  T844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.943238][  T844] CR2: 00007f4ffadb9460 CR3: 0000000001ee7001 CR4: 0000000000771ef0
[   26.943631][  T844] PKRU: 55555554
[   26.943862][  T844] Call Trace:
[   26.944081][  T844]  <TASK>
[   26.944246][  T844]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.944534][  T844]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   26.944810][  T844]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.945048][  T844]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   26.945319][  T844]  __dev_notify_flags (net/core/dev.c:9787)
[   26.945601][  T844]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.945888][  T844]  ? netif_change_name (net/core/dev.c:1495)
[   26.946161][  T844]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   26.946443][  T844]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   26.946726][  T844] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   26.947019][  T844]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   26.947300][  T844] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   26.947584][  T844]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   26.947881][  T844]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   26.948154][  T844]  ? nla_strscpy (lib/nlattr.c:795)
[   26.948428][  T844]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   26.948740][  T844]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   26.949029][  T844]  ? __dev_get_by_name (net/core/dev.c:883)
[   26.949301][  T844]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   26.949594][  T844]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   26.949893][  T844]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.950167][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.950436][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.950708][  T844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.950990][  T844]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.951261][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.951546][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.951841][  T844]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.952116][  T844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.952393][  T844]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.952673][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.952961][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.953236][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.953511][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.953786][  T844]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.954072][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.954343][  T844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.954637][  T844]  ? 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))
[   26.954926][  T844]  ? 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))
[   26.955204][  T844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.955478][  T844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.955758][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.956046][  T844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.956319][  T844]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.956599][  T844]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.956893][  T844]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.957166][  T844]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.957436][  T844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.957762][  T844]  ? move_addr_to_kernel (net/socket.c:258)
[   26.958058][  T844]  ___sys_sendmsg (net/socket.c:2752)
[   26.958327][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.958610][  T844]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.958924][  T844]  ? 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))
[   26.959202][  T844]  __sys_sendmsg (net/socket.c:2784)
[   26.959479][  T844]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.959762][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.960046][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.960316][  T844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.960595][  T844]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.960887][  T844]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.961159][  T844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.961480][  T844] RIP: 0033:0x7f4ffadfa08e
[   26.961768][  T844] 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
[   26.962607][  T844] RSP: 002b:00007ffc6de30b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.963005][  T844] RAX: ffffffffffffffda RBX: 00007ffc6de312e0 RCX: 00007f4ffadfa08e
[   26.963384][  T844] RDX: 0000000000000000 RSI: 00007ffc6de30be0 RDI: 0000000000000005
[   26.963766][  T844] RBP: 00007ffc6de30b40 R08: 0000000000000000 R09: 0000000000000000
[   26.964156][  T844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ba
[   26.964546][  T844] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6de312b0
| [   27.010836][  T845] ------------[ cut here ]------------
| [   27.010995][  T845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/845
| [   27.011234][  T845] Modules linked in: vxlan
| [   27.011660][  T845] Tainted: [W]=WARN
[   27.011763][  T845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.011935][  T845] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.012113][  T845] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.012619][  T845] RSP: 0018:ffa0000001d171b0 EFLAGS: 00010286
[   27.012792][  T845] RAX: 00000000ffffffa6 RBX: ff1100000c404900 RCX: 1ff40000003a2dfc
[   27.013091][  T845] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4049bc
[   27.013299][  T845] RBP: ff1100000f3da000 R08: 1fe2200001880939 R09: ff1100000aab2e80
[   27.013502][  T845] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.013705][  T845] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   27.013985][  T845] FS:  00007ff4667bb840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   27.014229][  T845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.014399][  T845] CR2: 0000000000441b40 CR3: 000000000e6bd005 CR4: 0000000000771ef0
[   27.014609][  T845] PKRU: 55555554
[   27.014710][  T845] Call Trace:
[   27.014813][  T845]  <TASK>
[   27.014940][  T845]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.015079][  T845]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.015250][  T845]  __dev_notify_flags (net/core/dev.c:9787)
[   27.015389][  T845]  ? netif_change_name (net/core/dev.c:1495)
[   27.015536][  T845]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.015707][  T845]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   27.015888][  T845]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   27.016026][  T845]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   27.016164][  T845]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   27.016303][  T845]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   27.016441][  T845]  ? __dev_get_by_name (net/core/dev.c:883)
[   27.016585][  T845]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   27.016727][  T845]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   27.016873][  T845]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.017012][  T845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.017147][  T845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.017284][  T845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.017419][  T845]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.017557][  T845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.017698][  T845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.017843][  T845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.017979][  T845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.018115][  T845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.018249][  T845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.018384][  T845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.018534][  T845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.018670][  T845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.018809][  T845]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.018952][  T845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.019091][  T845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.019231][  T845]  ? 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))
[   27.019367][  T845]  ? 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))
[   27.019515][  T845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.019653][  T845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.019791][  T845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.019934][  T845]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.020072][  T845]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.020210][  T845]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.020348][  T845]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.020495][  T845]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.020633][  T845]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.020803][  T845]  ? move_addr_to_kernel (net/socket.c:258)
[   27.020953][  T845]  ___sys_sendmsg (net/socket.c:2752)
[   27.021088][  T845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.021225][  T845]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.021371][  T845]  ? 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))
[   27.021513][  T845]  __sys_sendmsg (net/socket.c:2784)
[   27.021652][  T845]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.021794][  T845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.021934][  T845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.022072][  T845]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.022209][  T845]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.022358][  T845]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.022496][  T845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.022666][  T845] RIP: 0033:0x7ff4669f508e
[   27.022808][  T845] 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
[   27.023305][  T845] RSP: 002b:00007ffdbf310bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.023514][  T845] RAX: ffffffffffffffda RBX: 00007ffdbf311368 RCX: 00007ff4669f508e
[   27.023720][  T845] RDX: 0000000000000000 RSI: 00007ffdbf310c70 RDI: 0000000000000005
[   27.023927][  T845] RBP: 00007ffdbf310bd0 R08: 0000000000000000 R09: 0000000000000000
[   27.024129][  T845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ba
[   27.024335][  T845] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbf311340
| [   27.055430][  T846] ------------[ cut here ]------------
| [   27.055587][  T846] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/846
| [   27.055830][  T846] Modules linked in: vxlan
| [   27.056284][  T846] Tainted: [W]=WARN
[   27.056387][  T846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.056561][  T846] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.056738][  T846] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.057222][  T846] RSP: 0018:ffa0000001d271b0 EFLAGS: 00010286
[   27.057393][  T846] RAX: 00000000ffffffa6 RBX: ff1100000a1b3000 RCX: 1ff40000003a4dfc
[   27.057599][  T846] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b30bc
[   27.057803][  T846] RBP: ff110000118fa000 R08: 1fe2200001436619 R09: ff110000096ed180
[   27.058012][  T846] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.058214][  T846] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   27.058415][  T846] FS:  00007f854831e840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   27.058655][  T846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.058833][  T846] CR2: 0000000000441b40 CR3: 000000000f752002 CR4: 0000000000771ef0
[   27.059040][  T846] PKRU: 55555554
[   27.059140][  T846] Call Trace:
[   27.059242][  T846]  <TASK>
[   27.059311][  T846]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.059448][  T846]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.059557][  T846]  __dev_notify_flags (net/core/dev.c:9787)
[   27.059694][  T846]  ? netif_change_name (net/core/dev.c:1495)
[   27.059836][  T846]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   27.060009][  T846]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   27.060146][  T846]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   27.060278][  T846]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   27.060414][  T846]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   27.060553][  T846]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   27.060688][  T846]  ? __dev_get_by_name (net/core/dev.c:883)
[   27.060829][  T846]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   27.060970][  T846]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   27.061109][  T846]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.061244][  T846]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.061377][  T846]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.061513][  T846]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.061653][  T846]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.061786][  T846]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.061929][  T846]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.062063][  T846]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.062200][  T846]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.062333][  T846]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.062474][  T846]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.062610][  T846]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.062746][  T846]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.062883][  T846]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.063018][  T846]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.063151][  T846]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.063284][  T846]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.063421][  T846]  ? 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))
[   27.063560][  T846]  ? 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))
[   27.063695][  T846]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.063833][  T846]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.063967][  T846]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.064101][  T846]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.064234][  T846]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.064372][  T846]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.064514][  T846]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.064648][  T846]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.064782][  T846]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.064951][  T846]  ? move_addr_to_kernel (net/socket.c:258)
[   27.065087][  T846]  ___sys_sendmsg (net/socket.c:2752)
[   27.065220][  T846]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.065355][  T846]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.065501][  T846]  ? 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))
[   27.065637][  T846]  __sys_sendmsg (net/socket.c:2784)
[   27.065771][  T846]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.065916][  T846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.066049][  T846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.066184][  T846]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.066319][  T846]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.066452][  T846]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.066589][  T846]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.066755][  T846] RIP: 0033:0x7f854855808e
[   27.066900][  T846] 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
[   27.067406][  T846] RSP: 002b:00007ffe812d9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.067613][  T846] RAX: ffffffffffffffda RBX: 00007ffe812da138 RCX: 00007f854855808e
[   27.067817][  T846] RDX: 0000000000000000 RSI: 00007ffe812d9a40 RDI: 0000000000000005
[   27.068026][  T846] RBP: 00007ffe812d99a0 R08: 0000000000000000 R09: 0000000000000000
[   27.068224][  T846] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ba
[   27.068422][  T846] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe812da110
| [   27.585711][  T875] ------------[ cut here ]------------
| [   27.585886][  T875] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/875
| [   27.586119][  T875] Modules linked in: vxlan
| [   27.586527][  T875] Tainted: [W]=WARN
[   27.586626][  T875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.586790][  T875] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.586971][  T875] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.587440][  T875] RSP: 0018:ffa0000001cb7190 EFLAGS: 00010286
[   27.587608][  T875] RAX: 00000000ffffffa6 RBX: ff1100000cd8ba80 RCX: 1ff4000000396df8
[   27.587796][  T875] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8bb3c
[   27.587993][  T875] RBP: ff110000118fa000 R08: 1fe22000019b1769 R09: ff1100000b098b58
[   27.588178][  T875] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.588365][  T875] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.588565][  T875] FS:  00007f43bee0a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   27.588789][  T875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.588956][  T875] CR2: 000000002f239988 CR3: 0000000004c46005 CR4: 0000000000771ef0
[   27.589148][  T875] PKRU: 55555554
[   27.589245][  T875] Call Trace:
[   27.589341][  T875]  <TASK>
[   27.589407][  T875]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.589578][  T875]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.589734][  T875]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.589867][  T875]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.589994][  T875]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.590160][  T875]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.590288][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.590414][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.590549][  T875]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.590674][  T875]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.590799][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.590945][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.591071][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.591199][  T875]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.591325][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.591450][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.591582][  T875]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   27.591711][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.591917][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.592107][  T875]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.592234][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.592363][  T875]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.592493][  T875]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.592619][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.592748][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.592931][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.593060][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.593185][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.593312][  T875]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.593440][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.593572][  T875]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.593700][  T875]  ? 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))
[   27.593907][  T875]  ? 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))
[   27.594035][  T875]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.594162][  T875]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.594290][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.594418][  T875]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.594549][  T875]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.594676][  T875]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.594805][  T875]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.595001][  T875]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.595127][  T875]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.595280][  T875]  ? move_addr_to_kernel (net/socket.c:258)
[   27.595406][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.595539][  T875]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.595666][  T875]  ___sys_sendmsg (net/socket.c:2752)
[   27.595793][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.596012][  T875]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.596150][  T875]  __sys_sendmsg (net/socket.c:2784)
[   27.596277][  T875]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.596405][  T875]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.596573][  T875]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.596700][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.596859][  T875]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.596987][  T875]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.597115][  T875]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.597242][  T875]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.597397][  T875] RIP: 0033:0x7f43bf04408e
[   27.597535][  T875] 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
[   27.597997][  T875] RSP: 002b:00007fff83433e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.598188][  T875] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f43bf04408e
[   27.598376][  T875] RDX: 0000000000000000 RSI: 00007fff83433f10 RDI: 0000000000000005
[   27.598569][  T875] RBP: 00007fff83433e70 R08: 0000000000000000 R09: 0000000000000000
[   27.598764][  T875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ba
[   27.598958][  T875] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff834345e0
| [   27.640361][  T876] ------------[ cut here ]------------
| [   27.640551][  T876] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/876
| [   27.640814][  T876] Modules linked in: vxlan
| [   27.641306][  T876] Tainted: [W]=WARN
[   27.641447][  T876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.641656][  T876] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.641875][  T876] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.642361][  T876] RSP: 0018:ffa0000001de7190 EFLAGS: 00010286
[   27.642572][  T876] RAX: 00000000ffffffa6 RBX: ff11000009c4da80 RCX: 1ff40000003bcdf8
[   27.642804][  T876] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4db3c
[   27.643047][  T876] RBP: ff1100000f3da000 R08: 1fe2200001389b69 R09: ff1100000b09ae58
[   27.643277][  T876] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.643514][  T876] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.643748][  T876] FS:  00007f60eb3e8840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   27.644024][  T876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.644225][  T876] CR2: 0000000009ec7988 CR3: 0000000001f64002 CR4: 0000000000771ef0
[   27.644457][  T876] PKRU: 55555554
[   27.644606][  T876] Call Trace:
[   27.644745][  T876]  <TASK>
[   27.644869][  T876]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.645075][  T876]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.645275][  T876]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.645447][  T876]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.645625][  T876]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.645844][  T876]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.646017][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.646186][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.646357][  T876]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.646533][  T876]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.646703][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.646905][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.647074][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.647245][  T876]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.647415][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.647594][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.647765][  T876]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   27.647949][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.648119][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.648289][  T876]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.648460][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.648640][  T876]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.648811][  T876]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.648994][  T876]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.649164][  T876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.649334][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.649511][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.649680][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.649864][  T876]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.650037][  T876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.650208][  T876]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.650383][  T876]  ? 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))
[   27.650560][  T876]  ? 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))
[   27.650734][  T876]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.650922][  T876]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.651095][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.651269][  T876]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.651442][  T876]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.651625][  T876]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.651798][  T876]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.651983][  T876]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.652153][  T876]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.652352][  T876]  ? move_addr_to_kernel (net/socket.c:258)
[   27.652531][  T876]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.652705][  T876]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.652890][  T876]  ___sys_sendmsg (net/socket.c:2752)
[   27.653060][  T876]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.653262][  T876]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.653443][  T876]  __sys_sendmsg (net/socket.c:2784)
[   27.653622][  T876]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.653790][  T876]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.654002][  T876]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.654172][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.654346][  T876]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.654526][  T876]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.654696][  T876]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.654882][  T876]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.655082][  T876] RIP: 0033:0x7f60eb62208e
[   27.655257][  T876] 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
[   27.655745][  T876] RSP: 002b:00007ffe8c7eb2a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.655988][  T876] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f60eb62208e
[   27.656217][  T876] RDX: 0000000000000000 RSI: 00007ffe8c7eb350 RDI: 0000000000000005
[   27.656447][  T876] RBP: 00007ffe8c7eb2b0 R08: 0000000000000000 R09: 0000000000000000
[   27.656687][  T876] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ba
[   27.656929][  T876] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8c7eba20
| [   27.698411][  T877] ------------[ cut here ]------------
| [   27.698558][  T877] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/877
| [   27.698777][  T877] Modules linked in: vxlan
| [   27.699167][  T877] Tainted: [W]=WARN
[   27.699261][  T877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.699416][  T877] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.699583][  T877] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.700028][  T877] RSP: 0018:ffa0000001de7190 EFLAGS: 00010286
[   27.700183][  T877] RAX: 00000000ffffffa6 RBX: ff1100000a233000 RCX: 1ff40000003bcdf8
[   27.700369][  T877] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2330bc
[   27.700558][  T877] RBP: ff1100000f3c2000 R08: 1fe2200001446619 R09: ff1100000b09d158
[   27.700742][  T877] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.700928][  T877] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.701115][  T877] FS:  00007ff9c4b96840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   27.701333][  T877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.701491][  T877] CR2: 000000002ce94988 CR3: 000000000f557002 CR4: 0000000000771ef0
[   27.701678][  T877] PKRU: 55555554
[   27.701771][  T877] Call Trace:
[   27.701876][  T877]  <TASK>
[   27.701941][  T877]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.702100][  T877]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.702256][  T877]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.702381][  T877]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.702510][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.702635][  T877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.702759][  T877]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.703247][  T877]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.703372][  T877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.703519][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.703644][  T877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.703769][  T877]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.703897][  T877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.704021][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.704145][  T877]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   27.704272][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.704396][  T877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.704526][  T877]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.704649][  T877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.704775][  T877]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.704905][  T877]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.705029][  T877]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.705152][  T877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.705276][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.705401][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.705528][  T877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.705652][  T877]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.705775][  T877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.705906][  T877]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.706033][  T877]  ? 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))
[   27.706157][  T877]  ? 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))
[   27.706283][  T877]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.706408][  T877]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.706535][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.706660][  T877]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.706786][  T877]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.706917][  T877]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.707043][  T877]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.707168][  T877]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.707293][  T877]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.707445][  T877]  ? move_addr_to_kernel (net/socket.c:258)
[   27.707575][  T877]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.707701][  T877]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.707831][  T877]  ___sys_sendmsg (net/socket.c:2752)
[   27.707961][  T877]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.708125][  T877]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.708261][  T877]  __sys_sendmsg (net/socket.c:2784)
[   27.708385][  T877]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.708513][  T877]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.708671][  T877]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.708796][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.708931][  T877]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.709055][  T877]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.709180][  T877]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.709313][  T877]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.709471][  T877] RIP: 0033:0x7ff9c4dd008e
[   27.709610][  T877] 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
[   27.710058][  T877] RSP: 002b:00007fff4794f580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.710244][  T877] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff9c4dd008e
[   27.710428][  T877] RDX: 0000000000000000 RSI: 00007fff4794f630 RDI: 0000000000000005
[   27.710622][  T877] RBP: 00007fff4794f590 R08: 0000000000000000 R09: 0000000000000000
[   27.710807][  T877] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ba
[   27.711006][  T877] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4794fd00
| [   27.751352][  T878] ------------[ cut here ]------------
| [   27.751496][  T878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/878
| [   27.751718][  T878] Modules linked in: vxlan
| [   27.752106][  T878] Tainted: [W]=WARN
[   27.752198][  T878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.752352][  T878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.752521][  T878] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.752974][  T878] RSP: 0018:ffa0000001e27190 EFLAGS: 00010286
[   27.753130][  T878] RAX: 00000000ffffffa6 RBX: ff1100000d14f380 RCX: 1ff40000003c4df8
[   27.753311][  T878] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14f43c
[   27.753497][  T878] RBP: ff1100000f17a000 R08: 1fe2200001a29e89 R09: ff1100000f078b58
[   27.753677][  T878] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.753865][  T878] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.754050][  T878] FS:  00007f720aa9c840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   27.754266][  T878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.754419][  T878] CR2: 0000000038e3b988 CR3: 000000000d0a7004 CR4: 0000000000771ef0
[   27.754606][  T878] PKRU: 55555554
[   27.754699][  T878] Call Trace:
[   27.754793][  T878]  <TASK>
[   27.754862][  T878]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.755019][  T878]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.755174][  T878]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.755298][  T878]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.755420][  T878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.755546][  T878]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.755674][  T878]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.755798][  T878]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.755927][  T878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.756067][  T878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.756190][  T878]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.756312][  T878]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.756433][  T878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.756559][  T878]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.756679][  T878]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   27.756803][  T878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.756928][  T878]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.757051][  T878]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.757181][  T878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.757312][  T878]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.757433][  T878]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.757558][  T878]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.757678][  T878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.757798][  T878]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.757926][  T878]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.758049][  T878]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.758180][  T878]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.758306][  T878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.758427][  T878]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.758557][  T878]  ? 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))
[   27.758677][  T878]  ? 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))
[   27.758801][  T878]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.759002][  T878]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.759212][  T878]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.759343][  T878]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.759466][  T878]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.759592][  T878]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.759714][  T878]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.759903][  T878]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.760024][  T878]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.760176][  T878]  ? move_addr_to_kernel (net/socket.c:258)
[   27.760299][  T878]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.760421][  T878]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.760549][  T878]  ___sys_sendmsg (net/socket.c:2752)
[   27.760670][  T878]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.760887][  T878]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.761022][  T878]  __sys_sendmsg (net/socket.c:2784)
[   27.761144][  T878]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.761266][  T878]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.761418][  T878]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.761544][  T878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.761667][  T878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.761789][  T878]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.761989][  T878]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.762111][  T878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.762262][  T878] RIP: 0033:0x7f720acd608e
[   27.762390][  T878] 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
[   27.762831][  T878] RSP: 002b:00007fffaf7ffbd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.763015][  T878] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f720acd608e
[   27.763195][  T878] RDX: 0000000000000000 RSI: 00007fffaf7ffc80 RDI: 0000000000000005
[   27.763375][  T878] RBP: 00007fffaf7ffbe0 R08: 0000000000000000 R09: 0000000000000000
[   27.763558][  T878] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8ba
[   27.763739][  T878] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffaf800350
| [   27.835798][   T68] ------------[ cut here ]------------
| [   27.835989][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   27.836274][   T68] Modules linked in: vxlan
| [   27.836772][   T68] Tainted: [W]=WARN
[   27.836924][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.837125][   T68] Workqueue: netns cleanup_net
[   27.837298][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.837508][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.837992][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   27.838196][   T68] RAX: 00000000ffffffa6 RBX: ff1100000da6f700 RCX: 1ff4000000092eed
[   27.838420][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6f7bc
[   27.838693][   T68] RBP: ff110000083e1000 R08: 1fe2200001b4def9 R09: ff1100000915aed0
[   27.838929][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.839156][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.839381][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   27.839643][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.839850][   T68] CR2: 00007f1c118f9574 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   27.840077][   T68] PKRU: 55555554
[   27.840217][   T68] Call Trace:
[   27.840356][   T68]  <TASK>
[   27.840465][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.840674][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.840880][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.841049][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.841219][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.841384][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.841565][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.841764][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.841948][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   27.842113][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.842283][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   27.842451][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.842624][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.842796][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.842975][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.843143][   T68]  process_one_work (kernel/workqueue.c:3314)
[   27.843314][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.843480][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.843659][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.843841][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.844009][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.844181][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.844348][   T68]  kthread (kernel/kthread.c:436)
[   27.844497][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.844692][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.844872][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.845074][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.845270][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.845442][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.845617][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.848339][   T68] ------------[ cut here ]------------
| [   27.848516][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   27.848952][   T68] Modules linked in: vxlan
| [   27.849665][   T68] Tainted: [W]=WARN
[   27.849802][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.850013][   T68] Workqueue: netns cleanup_net
[   27.850184][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.850465][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.851033][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   27.851232][   T68] RAX: 00000000ffffffa6 RBX: ff1100000954fa80 RCX: 1ff4000000092eed
[   27.851469][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954fb3c
[   27.851777][   T68] RBP: ff1100000f064000 R08: 1fe22000012a9f69 R09: ff1100000915aed0
[   27.852016][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.852242][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.852467][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   27.852730][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.853013][   T68] CR2: 00007f1c118f9574 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   27.853240][   T68] PKRU: 55555554
[   27.853377][   T68] Call Trace:
[   27.853519][   T68]  <TASK>
[   27.853629][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.853984][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.854179][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.854346][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.854522][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.854765][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.854946][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.855129][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.855299][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   27.855464][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.855646][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   27.855816][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.855995][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.856165][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.856332][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.856509][   T68]  process_one_work (kernel/workqueue.c:3314)
[   27.856682][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.856861][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.857033][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.857204][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.857372][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.857622][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.857790][   T68]  kthread (kernel/kthread.c:436)
[   27.857939][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.858135][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.858313][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.858482][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.858761][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.858943][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.859182][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.862412][   T68] ------------[ cut here ]------------
| [   27.862587][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   27.862952][   T68] Modules linked in: vxlan
| [   27.863437][   T68] Tainted: [W]=WARN
[   27.863580][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.863802][   T68] Workqueue: netns cleanup_net
[   27.863986][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.864293][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.864857][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   27.865128][   T68] RAX: 00000000ffffffa6 RBX: ff1100000954f8c0 RCX: 1ff4000000092eed
[   27.865350][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954f97c
[   27.865653][   T68] RBP: ff1100000fa2c000 R08: 1fe22000012a9f31 R09: ff1100000915aed0
[   27.865890][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.866188][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.866412][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   27.866680][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.866891][   T68] CR2: 00007f1c118f9574 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   27.867116][   T68] PKRU: 55555554
[   27.867323][   T68] Call Trace:
[   27.867458][   T68]  <TASK>
[   27.867569][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.867852][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.868117][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.868287][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.868455][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.868624][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.868792][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.868974][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.869146][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   27.869311][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.869485][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   27.869662][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.869843][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.870013][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.870183][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.870371][   T68]  process_one_work (kernel/workqueue.c:3314)
[   27.870551][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.870719][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.870905][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.871074][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.871241][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.871564][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.871734][   T68]  kthread (kernel/kthread.c:436)
[   27.871886][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.872083][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.872416][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.872592][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.872789][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.872969][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.873210][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.875765][   T68] ------------[ cut here ]------------
| [   27.875945][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   27.876220][   T68] Modules linked in: vxlan
| [   27.876708][   T68] Tainted: [W]=WARN
[   27.876857][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.877055][   T68] Workqueue: netns cleanup_net
[   27.877226][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.877429][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.877922][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   27.878122][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7f380 RCX: 1ff4000000092eed
[   27.878421][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7f43c
[   27.878654][   T68] RBP: ff1100000fc59000 R08: 1fe220000198fe89 R09: ff1100000915aed0
[   27.878892][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.879117][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.879416][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   27.879682][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.879968][   T68] CR2: 00007f1c118f9574 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   27.880196][   T68] PKRU: 55555554
[   27.880331][   T68] Call Trace:
[   27.880468][   T68]  <TASK>
[   27.880666][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.880915][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.881181][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.881350][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.881529][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.881701][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.881883][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.882052][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.882229][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   27.882395][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.882574][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   27.882746][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.882954][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.883130][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.883300][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.883554][   T68]  process_one_work (kernel/workqueue.c:3314)
[   27.883732][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.883911][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.884081][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.884253][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.884420][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.884594][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.884762][   T68]  kthread (kernel/kthread.c:436)
[   27.884917][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.885191][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.885359][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.885536][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.885735][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.885920][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.886087][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.889402][   T68] ------------[ cut here ]------------
| [   27.889645][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   27.889946][   T68] Modules linked in: vxlan
| [   27.890427][   T68] Tainted: [W]=WARN
[   27.890573][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.890772][   T68] Workqueue: netns cleanup_net
[   27.890957][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.891160][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.891622][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   27.891833][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7e200 RCX: 1ff4000000092eed
[   27.892053][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7e2bc
[   27.892276][   T68] RBP: ff1100000f219000 R08: 1fe220000198fc59 R09: ff1100000915aed0
[   27.892507][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   27.892730][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.892966][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   27.893296][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.893497][   T68] CR2: 00007f1c118f9574 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   27.893797][   T68] PKRU: 55555554
[   27.893948][   T68] Call Trace:
[   27.894083][   T68]  <TASK>
[   27.894191][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.894463][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.894664][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.894846][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.895016][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.895254][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.895424][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.895600][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.895773][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   27.896096][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.896267][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   27.896433][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.896606][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.896776][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.897033][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.897202][   T68]  process_one_work (kernel/workqueue.c:3314)
[   27.897525][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.897768][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.897956][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.898124][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.898290][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.898536][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.898701][   T68]  kthread (kernel/kthread.c:436)
[   27.898849][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.899042][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.899282][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.899446][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.899652][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.899836][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.900080][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.922433][   T68] ------------[ cut here ]------------
| [   27.922579][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   27.922869][   T68] Modules linked in: vxlan
| [   27.923281][   T68] Tainted: [W]=WARN
[   27.923374][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.923534][   T68] Workqueue: netns cleanup_net
[   27.923662][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.923827][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.924268][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   27.924429][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7e580 RCX: 1ff4000000092eaf
[   27.924619][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7e63c
[   27.924803][   T68] RBP: ff11000004c51000 R08: 1fe220000198fcc9 R09: ff1100000915aed0
[   27.924996][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   27.925180][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   27.925365][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   27.925587][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.925741][   T68] CR2: 00007fa6bfaad7a0 CR3: 000000000be8e003 CR4: 0000000000771ef0
[   27.925928][   T68] PKRU: 55555554
[   27.926020][   T68] Call Trace:
[   27.926113][   T68]  <TASK>
[   27.926177][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.926302][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.926397][   T68]  netif_close_many (net/core/dev.c:1804)
[   27.926527][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.926650][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.926773][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.926901][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   27.927030][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   27.927186][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   27.927342][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.927468][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.927597][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   27.927721][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.927884][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.928013][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.928139][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.928264][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.928389][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.928519][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.928643][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   27.928765][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.928905][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   27.929030][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.929153][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.929280][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.929403][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.929530][   T68]  process_one_work (kernel/workqueue.c:3314)
[   27.929659][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.929783][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.929916][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.930040][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.930163][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.930290][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.930413][   T68]  kthread (kernel/kthread.c:436)
[   27.930510][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.930665][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.930788][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.930924][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.931079][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.931204][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.931329][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.933660][   T68] ------------[ cut here ]------------
| [   27.933781][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   27.934450][   T68] Modules linked in: vxlan
| [   27.935245][   T68] Tainted: [W]=WARN
[   27.935336][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.935486][   T68] Workqueue: netns cleanup_net
[   27.935626][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.935782][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.936258][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   27.936415][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7f000 RCX: 1ff4000000092ed5
[   27.936602][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7f0bc
[   27.936780][   T68] RBP: ff11000004c51000 R08: 1fe220000198fe19 R09: ff1100000915aed0
[   27.937008][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.937186][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.937371][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   27.937584][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.937734][   T68] CR2: 00007fa6bfaad7a0 CR3: 000000000be8e003 CR4: 0000000000771ef0
[   27.937961][   T68] PKRU: 55555554
[   27.938051][   T68] Call Trace:
[   27.938142][   T68]  <TASK>
[   27.938207][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.938359][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.938517][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.938641][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.938761][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.938929][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.939051][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.939172][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.939293][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   27.939413][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.939542][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   27.939669][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.939789][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.939957][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.940077][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.940199][   T68]  process_one_work (kernel/workqueue.c:3314)
[   27.940322][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.940441][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.940570][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.940692][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.940817][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.940986][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.941107][   T68]  kthread (kernel/kthread.c:436)
[   27.941197][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.941346][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.941466][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.941594][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.941743][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.941909][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.942030][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.020238][  T889] ------------[ cut here ]------------
| [   28.020397][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/889
| [   28.020640][  T889] Modules linked in: vxlan
| [   28.021055][  T889] Tainted: [W]=WARN
[   28.021155][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.021321][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.021501][  T889] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.021982][  T889] RSP: 0018:ffa0000001e67a80 EFLAGS: 00010286
[   28.022151][  T889] RAX: 00000000ffffffa6 RBX: ff1100000e69e740 RCX: 1ff40000003ccf16
[   28.022349][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e69e7fc
[   28.022549][  T889] RBP: ff11000008069000 R08: 1fe2200001cd3d01 R09: ff1100000f808b80
[   28.022746][  T889] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.022950][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008069000
[   28.023149][  T889] FS:  00007f848a980840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   28.023383][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.023558][  T889] CR2: 00007f848ab87430 CR3: 000000000f63f002 CR4: 0000000000771ef0
[   28.023758][  T889] PKRU: 55555554
[   28.023864][  T889] Call Trace:
[   28.023965][  T889]  <TASK>
[   28.024034][  T889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.024166][  T889]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.024300][  T889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.024402][  T889]  register_netdevice (net/core/dev.c:11488)
[   28.024539][  T889]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.024701][  T889]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.024837][  T889]  register_netdev (net/core/dev.c:11552)
[   28.024970][  T889]  loopback_net_init (drivers/net/loopback.c:218)
[   28.025104][  T889]  ops_init (net/core/net_namespace.c:137)
[   28.025206][  T889]  setup_net (net/core/net_namespace.c:446)
[   28.025306][  T889]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.025442][  T889]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.025581][  T889]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.025716][  T889]  copy_net_ns (net/core/net_namespace.c:579)
[   28.025853][  T889]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.025989][  T889]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.026121][  T889]  ksys_unshare (kernel/fork.c:3243)
[   28.026255][  T889]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.026388][  T889]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.026526][  T889]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.026661][  T889]  ? __ia32_sys_open (fs/open.c:1374)
[   28.026794][  T889]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.026930][  T889]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.027062][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.027193][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.027325][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.027457][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.027630][  T889] RIP: 0033:0x7f848ac42bcb
[   28.027773][  T889] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.028255][  T889] RSP: 002b:00007ffe4c12f378 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.028452][  T889] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f848ac42bcb
[   28.028656][  T889] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.028857][  T889] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.029054][  T889] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4c1315a0
[   28.029252][  T889] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4c13288c
| [   28.033756][  T889] ------------[ cut here ]------------
| [   28.034543][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/889
| [   28.034780][  T889] Modules linked in: vxlan
| [   28.035239][  T889] Tainted: [W]=WARN
[   28.035336][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.035503][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.035677][  T889] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.036148][  T889] RSP: 0018:ffa0000001e67918 EFLAGS: 00010286
[   28.036316][  T889] RAX: 00000000ffffffa6 RBX: ff1100000947a200 RCX: 1ff40000003ccee9
[   28.036516][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947a2bc
[   28.036710][  T889] RBP: ff1100000f1cc000 R08: 1fe220000128f459 R09: ff1100000f808b80
[   28.036909][  T889] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.037102][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1cc000
[   28.037301][  T889] FS:  00007f848a980840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   28.037535][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.037702][  T889] CR2: 00007f848ab87430 CR3: 000000000f63f002 CR4: 0000000000771ef0
[   28.037911][  T889] PKRU: 55555554
[   28.038010][  T889] Call Trace:
[   28.038109][  T889]  <TASK>
[   28.038179][  T889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.038312][  T889]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.038444][  T889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.038549][  T889]  register_netdevice (net/core/dev.c:11488)
[   28.038680][  T889]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.038855][  T889]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.038987][  T889]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   28.039121][  T889]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   28.039253][  T889]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   28.039384][  T889]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   28.039522][  T889]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   28.039653][  T889]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   28.039786][  T889]  ops_init (net/core/net_namespace.c:137)
[   28.039894][  T889]  setup_net (net/core/net_namespace.c:446)
[   28.039993][  T889]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.040120][  T889]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.040253][  T889]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.040385][  T889]  copy_net_ns (net/core/net_namespace.c:579)
[   28.040523][  T889]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.040656][  T889]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.040788][  T889]  ksys_unshare (kernel/fork.c:3243)
[   28.040925][  T889]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.041056][  T889]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.041186][  T889]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.041317][  T889]  ? __ia32_sys_open (fs/open.c:1374)
[   28.041448][  T889]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.041583][  T889]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.041712][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.041847][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.041977][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.042106][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.042268][  T889] RIP: 0033:0x7f848ac42bcb
[   28.042405][  T889] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.042877][  T889] RSP: 002b:00007ffe4c12f378 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.043075][  T889] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f848ac42bcb
[   28.043269][  T889] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.043462][  T889] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.043660][  T889] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4c1315a0
[   28.043860][  T889] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4c13288c
| [   28.047747][  T889] ------------[ cut here ]------------
| [   28.048383][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/889
| [   28.048621][  T889] Modules linked in: vxlan
| [   28.049081][  T889] Tainted: [W]=WARN
[   28.049180][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.049346][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.049523][  T889] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.050053][  T889] RSP: 0018:ffa0000001e678f8 EFLAGS: 00010286
[   28.050219][  T889] RAX: 00000000ffffffa6 RBX: ff110000095af1c0 RCX: 1ff40000003ccee5
[   28.050417][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095af27c
[   28.050619][  T889] RBP: ff1100000f6ec000 R08: 1fe22000012b5e51 R09: ff1100000f808b80
[   28.050816][  T889] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.051071][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f6ec000
[   28.051272][  T889] FS:  00007f848a980840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   28.051506][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.051672][  T889] CR2: 00007f848ab87430 CR3: 000000000f63f002 CR4: 0000000000771ef0
[   28.051925][  T889] PKRU: 55555554
[   28.052023][  T889] Call Trace:
[   28.052121][  T889]  <TASK>
[   28.052189][  T889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.052323][  T889]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.052453][  T889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.052560][  T889]  register_netdevice (net/core/dev.c:11488)
[   28.052692][  T889]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.052912][  T889]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.053046][  T889]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   28.053178][  T889]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   28.053311][  T889]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   28.053445][  T889]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   28.053583][  T889]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   28.053717][  T889]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   28.053907][  T889]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.054041][  T889]  vti_init_net (net/ipv4/ip_vti.c:517)
[   28.054174][  T889]  ops_init (net/core/net_namespace.c:137)
[   28.054275][  T889]  setup_net (net/core/net_namespace.c:446)
[   28.054376][  T889]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.054512][  T889]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.054643][  T889]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.054777][  T889]  copy_net_ns (net/core/net_namespace.c:579)
[   28.054969][  T889]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.055104][  T889]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.055239][  T889]  ksys_unshare (kernel/fork.c:3243)
[   28.055371][  T889]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.055506][  T889]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.055637][  T889]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.055769][  T889]  ? __ia32_sys_open (fs/open.c:1374)
[   28.055959][  T889]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.056091][  T889]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.056223][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.056356][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.056492][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.056626][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.056787][  T889] RIP: 0033:0x7f848ac42bcb
[   28.056987][  T889] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.057455][  T889] RSP: 002b:00007ffe4c12f378 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.057657][  T889] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f848ac42bcb
[   28.057908][  T889] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.058103][  T889] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.058297][  T889] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4c1315a0
[   28.058497][  T889] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4c13288c
| [   28.062904][  T889] ------------[ cut here ]------------
| [   28.063087][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/889
| [   28.063360][  T889] Modules linked in: vxlan
| [   28.063882][  T889] Tainted: [W]=WARN
[   28.064026][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.064233][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.064449][  T889] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.064972][  T889] RSP: 0018:ffa0000001e67a78 EFLAGS: 00010286
[   28.065182][  T889] RAX: 00000000ffffffa6 RBX: ff1100000c57a740 RCX: 1ff40000003ccf15
[   28.065420][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c57a7fc
[   28.065662][  T889] RBP: ff1100000f009000 R08: 1fe22000018af501 R09: ff1100000f808b80
[   28.065913][  T889] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.066163][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f009000
[   28.066403][  T889] FS:  00007f848a980840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   28.066683][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.066905][  T889] CR2: 00007fa6bfa4055f CR3: 000000000f63f002 CR4: 0000000000771ef0
[   28.067147][  T889] PKRU: 55555554
[   28.067290][  T889] Call Trace:
[   28.067434][  T889]  <TASK>
[   28.067557][  T889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.067738][  T889]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.067929][  T889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.068077][  T889]  register_netdevice (net/core/dev.c:11488)
[   28.068258][  T889]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.068467][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.068654][  T889]  register_netdev (net/core/dev.c:11552)
[   28.068842][  T889]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   28.069024][  T889]  ops_init (net/core/net_namespace.c:137)
[   28.069170][  T889]  setup_net (net/core/net_namespace.c:446)
[   28.069315][  T889]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.069498][  T889]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.069679][  T889]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.069870][  T889]  copy_net_ns (net/core/net_namespace.c:579)
[   28.070051][  T889]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.070230][  T889]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.070407][  T889]  ksys_unshare (kernel/fork.c:3243)
[   28.070592][  T889]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.070767][  T889]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.070965][  T889]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.071143][  T889]  ? __ia32_sys_open (fs/open.c:1374)
[   28.071324][  T889]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.071507][  T889]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.071684][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.071873][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.072050][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.072226][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.072437][  T889] RIP: 0033:0x7f848ac42bcb
[   28.072629][  T889] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.073146][  T889] RSP: 002b:00007ffe4c12f378 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.073393][  T889] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f848ac42bcb
[   28.073638][  T889] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.073890][  T889] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.074130][  T889] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4c1315a0
[   28.074371][  T889] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4c13288c
| [   28.079924][  T889] ------------[ cut here ]------------
| [   28.080103][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/889
| [   28.080379][  T889] Modules linked in: vxlan
| [   28.081012][  T889] Tainted: [W]=WARN
[   28.081213][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.081477][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.081763][  T889] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.082344][  T889] RSP: 0018:ffa0000001e67a68 EFLAGS: 00010286
[   28.082617][  T889] RAX: 00000000ffffffa6 RBX: ff1100000c57b540 RCX: 1ff40000003ccf13
[   28.082930][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c57b5fc
[   28.083234][  T889] RBP: ff1100000f881000 R08: 1fe22000018af6c1 R09: ff1100000f808b80
[   28.083536][  T889] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.083845][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f881000
[   28.084144][  T889] FS:  00007f848a980840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   28.084456][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.084669][  T889] CR2: 00007fa6bfa4055f CR3: 000000000f63f002 CR4: 0000000000771ef0
[   28.084927][  T889] PKRU: 55555554
[   28.085073][  T889] Call Trace:
[   28.085217][  T889]  <TASK>
[   28.085332][  T889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.085521][  T889]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.085703][  T889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.085863][  T889]  register_netdevice (net/core/dev.c:11488)
[   28.086044][  T889]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.086255][  T889]  register_netdev (net/core/dev.c:11552)
[   28.086434][  T889]  sit_init_net (net/ipv6/sit.c:1860)
[   28.086625][  T889]  ops_init (net/core/net_namespace.c:137)
[   28.086780][  T889]  setup_net (net/core/net_namespace.c:446)
[   28.086941][  T889]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.087117][  T889]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.087295][  T889]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.087476][  T889]  copy_net_ns (net/core/net_namespace.c:579)
[   28.087665][  T889]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.087859][  T889]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.088039][  T889]  ksys_unshare (kernel/fork.c:3243)
[   28.088219][  T889]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.088396][  T889]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.088584][  T889]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.088766][  T889]  ? __ia32_sys_open (fs/open.c:1374)
[   28.088958][  T889]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.089137][  T889]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.089318][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.089505][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.089683][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.089873][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.090083][  T889] RIP: 0033:0x7f848ac42bcb
[   28.090269][  T889] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.090790][  T889] RSP: 002b:00007ffe4c12f378 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.091046][  T889] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f848ac42bcb
[   28.091287][  T889] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.091535][  T889] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.091780][  T889] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4c1315a0
[   28.092034][  T889] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4c13288c
| [   28.097274][  T889] ------------[ cut here ]------------
| [   28.097449][  T889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/889
| [   28.097730][  T889] Modules linked in: vxlan
| [   28.098238][  T889] Tainted: [W]=WARN
[   28.098383][  T889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.098598][  T889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.098816][  T889] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.099340][  T889] RSP: 0018:ffa0000001e67a78 EFLAGS: 00010286
[   28.099562][  T889] RAX: 00000000ffffffa6 RBX: ff11000008f57a80 RCX: 1ff40000003ccf15
[   28.099801][  T889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008f57b3c
[   28.100579][  T889] RBP: ff1100000e6c1000 R08: 1fe22000011eaf69 R09: ff1100000f808b80
[   28.100891][  T889] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.101192][  T889] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6c1000
[   28.101497][  T889] FS:  00007f848a980840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   28.101839][  T889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.102103][  T889] CR2: 00007fa6bfa4055f CR3: 000000000f63f002 CR4: 0000000000771ef0
[   28.102413][  T889] PKRU: 55555554
[   28.102618][  T889] Call Trace:
[   28.102881][  T889]  <TASK>
[   28.103051][  T889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.103284][  T889]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.103526][  T889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.103725][  T889]  register_netdevice (net/core/dev.c:11488)
[   28.103972][  T889]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.104238][  T889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.104471][  T889]  register_netdev (net/core/dev.c:11552)
[   28.104710][  T889]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   28.104956][  T889]  ops_init (net/core/net_namespace.c:137)
[   28.105156][  T889]  setup_net (net/core/net_namespace.c:446)
[   28.105357][  T889]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   28.105589][  T889]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   28.105817][  T889]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   28.106010][  T889]  copy_net_ns (net/core/net_namespace.c:579)
[   28.106191][  T889]  create_new_namespaces (kernel/nsproxy.c:132)
[   28.106372][  T889]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   28.106559][  T889]  ksys_unshare (kernel/fork.c:3243)
[   28.106740][  T889]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   28.106931][  T889]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   28.107112][  T889]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   28.107292][  T889]  ? __ia32_sys_open (fs/open.c:1374)
[   28.107471][  T889]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   28.107656][  T889]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   28.107847][  T889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.108025][  T889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.108204][  T889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.108384][  T889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.108601][  T889] RIP: 0033:0x7f848ac42bcb
[   28.108785][  T889] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.109305][  T889] RSP: 002b:00007ffe4c12f378 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   28.109559][  T889] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f848ac42bcb
[   28.109800][  T889] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   28.110054][  T889] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   28.110296][  T889] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4c1315a0
[   28.110543][  T889] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4c13288c
| [   28.148041][  T890] ------------[ cut here ]------------
| [   28.148219][  T890] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/890
| [   28.148486][  T890] Modules linked in: vxlan
| [   28.148991][  T890] Tainted: [W]=WARN
[   28.149135][  T890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.149344][  T890] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.149566][  T890] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.150745][  T890] RSP: 0018:ffa0000001e77020 EFLAGS: 00010286
[   28.151054][  T890] RAX: 00000000ffffffa6 RBX: ff11000008f571c0 RCX: 1ff40000003cedca
[   28.151326][  T890] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008f5727c
[   28.151574][  T890] RBP: ff11000008069000 R08: 1fe22000011eae51 R09: ff1100000f100b58
[   28.151809][  T890] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   28.152059][  T890] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   28.152297][  T890] FS:  00007fd080050840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   28.152577][  T890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.152783][  T890] CR2: 00007fd0803201a0 CR3: 00000000118e8004 CR4: 0000000000771ef0
[   28.153033][  T890] PKRU: 55555554
[   28.153175][  T890] Call Trace:
[   28.153316][  T890]  <TASK>
[   28.153428][  T890]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.153616][  T890]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.153762][  T890]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   28.153951][  T890]  __dev_notify_flags (net/core/dev.c:9787)
[   28.154127][  T890]  ? netif_change_name (net/core/dev.c:1495)
[   28.154302][  T890]  ? __dev_change_flags (net/core/dev.c:9752)
[   28.154478][  T890]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.154659][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.154847][  T890]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   28.155028][  T890]  netif_change_flags (net/core/dev.c:9820)
[   28.155204][  T890]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   28.155379][  T890]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   28.155567][  T890]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   28.155742][  T890]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   28.155961][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.156136][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.156313][  T890]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.156487][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.156670][  T890]  ? __kernel_text_address (kernel/extable.c:79)
[   28.156856][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.157033][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.157206][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.157382][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.157567][  T890]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   28.157740][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.157928][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.158104][  T890]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   28.158279][  T890]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   28.158455][  T890]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   28.158634][  T890]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   28.158809][  T890]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   28.159003][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   28.159180][  T890]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.159356][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.159533][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.159709][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.159895][  T890]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.160071][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.160249][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.160425][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.160608][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.160783][  T890]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.160970][  T890]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.161146][  T890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.161321][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.161499][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.161677][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.161866][  T890]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.162039][  T890]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.162214][  T890]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.162387][  T890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.162566][  T890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.162744][  T890]  ? 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))
[   28.162932][  T890]  ? 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))
[   28.163111][  T890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.163286][  T890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.163460][  T890]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.163641][  T890]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.163817][  T890]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.164005][  T890]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.164182][  T890]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.164358][  T890]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.164542][  T890]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.164745][  T890]  ? move_addr_to_kernel (net/socket.c:258)
[   28.164935][  T890]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.165109][  T890]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.165284][  T890]  ___sys_sendmsg (net/socket.c:2752)
[   28.165457][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.165666][  T890]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.165866][  T890]  __sys_sendmsg (net/socket.c:2784)
[   28.166039][  T890]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.166211][  T890]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.166419][  T890]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.166597][  T890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.166771][  T890]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.166956][  T890]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.167132][  T890]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.167308][  T890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.167519][  T890] RIP: 0033:0x7fd08028a08e
[   28.167698][  T890] 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
[   28.168212][  T890] RSP: 002b:00007ffd1d1fb120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.168449][  T890] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd08028a08e
[   28.168692][  T890] RDX: 0000000000000000 RSI: 00007ffd1d1fb1d0 RDI: 0000000000000005
[   28.168941][  T890] RBP: 00007ffd1d1fb130 R08: 0000000000000000 R09: 0000000000000000
[   28.169180][  T890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bb
[   28.169414][  T890] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1d1fb8a0
| [   28.268131][  T893] ------------[ cut here ]------------
| [   28.268287][  T893] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/893
| [   28.268537][  T893] Modules linked in: vxlan
| [   28.268966][  T893] Tainted: [W]=WARN
[   28.269072][  T893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.269245][  T893] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.269426][  T893] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.269931][  T893] RSP: 0018:ffa0000001ea6fd0 EFLAGS: 00010286
[   28.270107][  T893] RAX: 00000000ffffffa6 RBX: ff110000095aee40 RCX: 1ff40000003d4dc0
[   28.270317][  T893] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095aeefc
[   28.270528][  T893] RBP: ff11000006152000 R08: 1fe22000012b5de1 R09: ff1100000e660b80
[   28.270734][  T893] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.270949][  T893] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006152e44
[   28.271160][  T893] FS:  00007f821f833840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   28.271403][  T893] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.271584][  T893] CR2: 00007f821fa2c460 CR3: 000000000fe10005 CR4: 0000000000771ef0
[   28.271795][  T893] PKRU: 55555554
[   28.271906][  T893] Call Trace:
[   28.272012][  T893]  <TASK>
[   28.272085][  T893]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.272226][  T893]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   28.272373][  T893]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.272479][  T893]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   28.272624][  T893]  __dev_notify_flags (net/core/dev.c:9787)
[   28.272762][  T893]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.272904][  T893]  ? netif_change_name (net/core/dev.c:1495)
[   28.273046][  T893]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   28.273188][  T893]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   28.273327][  T893] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   28.273469][  T893]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   28.273620][  T893] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   28.273763][  T893]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   28.273912][  T893]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   28.274055][  T893]  ? nla_strscpy (lib/nlattr.c:795)
[   28.274195][  T893]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   28.274337][  T893]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   28.274476][  T893]  ? __dev_get_by_name (net/core/dev.c:883)
[   28.274619][  T893]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   28.274762][  T893]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   28.274912][  T893]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.275053][  T893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.275192][  T893]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.275332][  T893]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.275470][  T893]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.275613][  T893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.275758][  T893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.275903][  T893]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.276045][  T893]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.276185][  T893]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.276325][  T893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.276463][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.276607][  T893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.276746][  T893]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.276892][  T893]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.277032][  T893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.277171][  T893]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.277313][  T893]  ? 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))
[   28.277452][  T893]  ? 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))
[   28.277597][  T893]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.277736][  T893]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.277882][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.278022][  T893]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.278166][  T893]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.278309][  T893]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.278448][  T893]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.278595][  T893]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.278734][  T893]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.278913][  T893]  ? move_addr_to_kernel (net/socket.c:258)
[   28.279056][  T893]  ___sys_sendmsg (net/socket.c:2752)
[   28.279193][  T893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.279332][  T893]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.279484][  T893]  ? 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))
[   28.279631][  T893]  __sys_sendmsg (net/socket.c:2784)
[   28.279773][  T893]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.279925][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.280065][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.280207][  T893]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.280348][  T893]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.280492][  T893]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.280634][  T893]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.280811][  T893] RIP: 0033:0x7f821fa6d08e
[   28.280963][  T893] 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
[   28.281460][  T893] RSP: 002b:00007ffe33a1b410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.281676][  T893] RAX: ffffffffffffffda RBX: 00007ffe33a1bbc0 RCX: 00007f821fa6d08e
[   28.281890][  T893] RDX: 0000000000000000 RSI: 00007ffe33a1b4c0 RDI: 0000000000000005
[   28.282098][  T893] RBP: 00007ffe33a1b420 R08: 0000000000000000 R09: 0000000000000000
[   28.282307][  T893] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bb
[   28.282522][  T893] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe33a1bb90
| [   28.321832][  T894] ------------[ cut here ]------------
| [   28.321986][  T894] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/894
| [   28.322231][  T894] Modules linked in: vxlan
| [   28.322663][  T894] Tainted: [W]=WARN
[   28.322769][  T894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.323013][  T894] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.323196][  T894] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.323697][  T894] RSP: 0018:ffa0000001ea6fd0 EFLAGS: 00010286
[   28.323880][  T894] RAX: 00000000ffffffa6 RBX: ff1100000629a900 RCX: 1ff40000003d4dc0
[   28.324090][  T894] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000629a9bc
[   28.324298][  T894] RBP: ff1100000f41a000 R08: 1fe2200000c53539 R09: ff1100000e662e80
[   28.324510][  T894] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   28.324719][  T894] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f41ae44
[   28.324936][  T894] FS:  00007f12721e2840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   28.325182][  T894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.325361][  T894] CR2: 00007f12723db460 CR3: 00000000124bf003 CR4: 0000000000771ef0
[   28.325575][  T894] PKRU: 55555554
[   28.325681][  T894] Call Trace:
[   28.325786][  T894]  <TASK>
[   28.325864][  T894]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.326005][  T894]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   28.326151][  T894]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.326257][  T894]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   28.326398][  T894]  __dev_notify_flags (net/core/dev.c:9787)
[   28.326541][  T894]  ? notifier_call_chain (kernel/notifier.c:85)
[   28.326682][  T894]  ? netif_change_name (net/core/dev.c:1495)
[   28.326831][  T894]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   28.326976][  T894]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   28.327118][  T894] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   28.327263][  T894]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   28.327408][  T894] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   28.327557][  T894]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   28.327703][  T894]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   28.327851][  T894]  ? nla_strscpy (lib/nlattr.c:795)
[   28.327993][  T894]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   28.328132][  T894]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   28.328272][  T894]  ? __dev_get_by_name (net/core/dev.c:883)
[   28.328411][  T894]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   28.328560][  T894]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   28.328707][  T894]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.328856][  T894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.328996][  T894]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.329136][  T894]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.329276][  T894]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.329413][  T894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.329562][  T894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.329701][  T894]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.329849][  T894]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.329992][  T894]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.330132][  T894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.330272][  T894]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.330414][  T894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.330556][  T894]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.330698][  T894]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.330845][  T894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.330990][  T894]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.331133][  T894]  ? 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))
[   28.331270][  T894]  ? 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))
[   28.331412][  T894]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.331559][  T894]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.331700][  T894]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.331847][  T894]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.331991][  T894]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.332131][  T894]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.332274][  T894]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.332413][  T894]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.332559][  T894]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.332732][  T894]  ? move_addr_to_kernel (net/socket.c:258)
[   28.332883][  T894]  ___sys_sendmsg (net/socket.c:2752)
[   28.333021][  T894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.333161][  T894]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.333312][  T894]  ? 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))
[   28.333454][  T894]  __sys_sendmsg (net/socket.c:2784)
[   28.333601][  T894]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.333746][  T894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.333891][  T894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.334033][  T894]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.334176][  T894]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.334315][  T894]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.334454][  T894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.334634][  T894] RIP: 0033:0x7f127241c08e
[   28.334780][  T894] 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
[   28.335287][  T894] RSP: 002b:00007ffdbd9afe60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.335503][  T894] RAX: ffffffffffffffda RBX: 00007ffdbd9b0610 RCX: 00007f127241c08e
[   28.335714][  T894] RDX: 0000000000000000 RSI: 00007ffdbd9aff10 RDI: 0000000000000005
[   28.335927][  T894] RBP: 00007ffdbd9afe70 R08: 0000000000000000 R09: 0000000000000000
[   28.336139][  T894] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bb
[   28.336351][  T894] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbd9b05e0
| [   28.378831][  T895] ------------[ cut here ]------------
| [   28.379015][  T895] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/895
| [   28.379293][  T895] Modules linked in: vxlan
| [   28.379798][  T895] Tainted: [W]=WARN
[   28.380003][  T895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.380301][  T895] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.380621][  T895] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.381266][  T895] RSP: 0018:ffa0000001df71b0 EFLAGS: 00010286
[   28.381483][  T895] RAX: 00000000ffffffa6 RBX: ff1100000c57bc40 RCX: 1ff40000003bedfc
[   28.381735][  T895] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c57bcfc
[   28.381995][  T895] RBP: ff1100000598a000 R08: 1fe22000018af7a1 R09: ff1100000e665180
[   28.382237][  T895] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.382479][  T895] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   28.382733][  T895] FS:  00007f8bc83fe840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   28.383026][  T895] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.383239][  T895] CR2: 0000000000441b40 CR3: 000000000fe21004 CR4: 0000000000771ef0
[   28.383485][  T895] PKRU: 55555554
[   28.383638][  T895] Call Trace:
[   28.383783][  T895]  <TASK>
[   28.383910][  T895]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.384153][  T895]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.384358][  T895]  __dev_notify_flags (net/core/dev.c:9787)
[   28.384624][  T895]  ? netif_change_name (net/core/dev.c:1495)
[   28.384892][  T895]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.385195][  T895]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.385406][  T895]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   28.385598][  T895]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   28.385787][  T895]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   28.385979][  T895]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   28.386158][  T895]  ? __dev_get_by_name (net/core/dev.c:883)
[   28.386338][  T895]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   28.386543][  T895]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   28.386770][  T895]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.386967][  T895]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.387144][  T895]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.387328][  T895]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.387515][  T895]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.387696][  T895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.387895][  T895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.388075][  T895]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.388255][  T895]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.388436][  T895]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.388625][  T895]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.388810][  T895]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.389005][  T895]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.389184][  T895]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.389366][  T895]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.389556][  T895]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.389742][  T895]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.389939][  T895]  ? 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))
[   28.390122][  T895]  ? 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))
[   28.390304][  T895]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.390486][  T895]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.390674][  T895]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.390871][  T895]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.391052][  T895]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.391235][  T895]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.391419][  T895]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.391610][  T895]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.391793][  T895]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.392016][  T895]  ? move_addr_to_kernel (net/socket.c:258)
[   28.392201][  T895]  ___sys_sendmsg (net/socket.c:2752)
[   28.392381][  T895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.392569][  T895]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.392757][  T895]  ? 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))
[   28.392955][  T895]  __sys_sendmsg (net/socket.c:2784)
[   28.393137][  T895]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.393320][  T895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.393506][  T895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.393687][  T895]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.393881][  T895]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.394061][  T895]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.394241][  T895]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.394456][  T895] RIP: 0033:0x7f8bc863808e
[   28.394648][  T895] 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
[   28.395177][  T895] RSP: 002b:00007ffda6da8ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.395426][  T895] RAX: ffffffffffffffda RBX: 00007ffda6da9678 RCX: 00007f8bc863808e
[   28.395677][  T895] RDX: 0000000000000000 RSI: 00007ffda6da8f80 RDI: 0000000000000005
[   28.395933][  T895] RBP: 00007ffda6da8ee0 R08: 0000000000000000 R09: 0000000000000000
[   28.396178][  T895] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bb
[   28.396425][  T895] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda6da9650
| [   28.434223][  T896] ------------[ cut here ]------------
| [   28.434373][  T896] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/896
| [   28.434612][  T896] Modules linked in: vxlan
| [   28.435034][  T896] Tainted: [W]=WARN
[   28.435136][  T896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.435303][  T896] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.435478][  T896] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.435967][  T896] RSP: 0018:ffa0000001e071b0 EFLAGS: 00010286
[   28.436136][  T896] RAX: 00000000ffffffa6 RBX: ff1100000947a740 RCX: 1ff40000003c0dfc
[   28.436334][  T896] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947a7fc
[   28.436541][  T896] RBP: ff1100000fbd2000 R08: 1fe220000128f501 R09: ff1100000e64ae80
[   28.436739][  T896] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   28.436945][  T896] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   28.437145][  T896] FS:  00007f28797d2840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   28.437377][  T896] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.437550][  T896] CR2: 00007f28799cb460 CR3: 000000000f7cf001 CR4: 0000000000771ef0
[   28.437751][  T896] PKRU: 55555554
[   28.437856][  T896] Call Trace:
[   28.437958][  T896]  <TASK>
[   28.438027][  T896]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   28.438162][  T896]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   28.438264][  T896]  __dev_notify_flags (net/core/dev.c:9787)
[   28.438400][  T896]  ? netif_change_name (net/core/dev.c:1495)
[   28.438538][  T896]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   28.438708][  T896]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   28.438852][  T896]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   28.438986][  T896]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   28.439123][  T896]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   28.439262][  T896]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   28.439398][  T896]  ? __dev_get_by_name (net/core/dev.c:883)
[   28.439536][  T896]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   28.439679][  T896]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   28.439818][  T896]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   28.439958][  T896]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.440093][  T896]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.440228][  T896]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.440360][  T896]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.440499][  T896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.440638][  T896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.440773][  T896]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   28.440915][  T896]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.441051][  T896]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.441184][  T896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.441317][  T896]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.441454][  T896]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.441594][  T896]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.441728][  T896]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.441867][  T896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.442002][  T896]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.442139][  T896]  ? 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))
[   28.442269][  T896]  ? 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))
[   28.442403][  T896]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.442542][  T896]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.442675][  T896]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.442811][  T896]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.442950][  T896]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.443086][  T896]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.443221][  T896]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.443356][  T896]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.443495][  T896]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.443660][  T896]  ? move_addr_to_kernel (net/socket.c:258)
[   28.443799][  T896]  ___sys_sendmsg (net/socket.c:2752)
[   28.443935][  T896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.444069][  T896]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.444211][  T896]  ? 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))
[   28.444348][  T896]  __sys_sendmsg (net/socket.c:2784)
[   28.444481][  T896]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.444621][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.444755][  T896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.444897][  T896]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.445035][  T896]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.445168][  T896]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.445302][  T896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.445467][  T896] RIP: 0033:0x7f2879a0c08e
[   28.445618][  T896] 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
[   28.446103][  T896] RSP: 002b:00007ffc133322a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.446303][  T896] RAX: ffffffffffffffda RBX: 00007ffc13332a48 RCX: 00007f2879a0c08e
[   28.446507][  T896] RDX: 0000000000000000 RSI: 00007ffc13332350 RDI: 0000000000000005
[   28.446709][  T896] RBP: 00007ffc133322b0 R08: 0000000000000000 R09: 0000000000000000
[   28.446911][  T896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bb
[   28.447111][  T896] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc13332a20
| [   28.957635][  T925] ------------[ cut here ]------------
| [   28.957854][  T925] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/925
| [   28.958126][  T925] Modules linked in: vxlan
| [   28.958628][  T925] Tainted: [W]=WARN
[   28.958771][  T925] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.959030][  T925] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   28.959251][  T925] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   28.959754][  T925] RSP: 0018:ffa0000001f77190 EFLAGS: 00010286
[   28.959971][  T925] RAX: 00000000ffffffa6 RBX: ff1100000c32c580 RCX: 1ff40000003eedf8
[   28.960208][  T925] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32c63c
[   28.960442][  T925] RBP: ff1100000fbd2000 R08: 1fe22000018658c9 R09: ff11000011fc0b58
[   28.960683][  T925] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   28.960930][  T925] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   28.961168][  T925] FS:  00007f1f342d5840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   28.961436][  T925] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.961651][  T925] CR2: 00000000035cc988 CR3: 000000000fcf0003 CR4: 0000000000771ef0
[   28.961907][  T925] PKRU: 55555554
[   28.962049][  T925] Call Trace:
[   28.962191][  T925]  <TASK>
[   28.962307][  T925]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   28.962526][  T925]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   28.962731][  T925]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   28.962919][  T925]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.963094][  T925]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   28.963301][  T925]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   28.963479][  T925]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.963661][  T925]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.963846][  T925]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.964019][  T925]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.964191][  T925]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.964385][  T925]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.964566][  T925]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.964740][  T925]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   28.964926][  T925]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.965100][  T925]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.965274][  T925]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   28.965451][  T925]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.965629][  T925]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.965802][  T925]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.965988][  T925]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   28.966165][  T925]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   28.966341][  T925]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   28.966521][  T925]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.966693][  T925]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.966873][  T925]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.967047][  T925]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   28.967218][  T925]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   28.967393][  T925]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   28.967575][  T925]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.967751][  T925]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.967939][  T925]  ? 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))
[   28.968110][  T925]  ? 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))
[   28.968286][  T925]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.968460][  T925]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.968633][  T925]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   28.968808][  T925]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   28.968995][  T925]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   28.969168][  T925]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   28.969343][  T925]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   28.969526][  T925]  ? copy_msghdr_from_user (net/socket.c:2635)
[   28.969699][  T925]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   28.969912][  T925]  ? move_addr_to_kernel (net/socket.c:258)
[   28.970087][  T925]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.970263][  T925]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   28.970438][  T925]  ___sys_sendmsg (net/socket.c:2752)
[   28.970618][  T925]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   28.970836][  T925]  ? copy_msghdr_from_user (net/socket.c:2603)
[   28.971020][  T925]  __sys_sendmsg (net/socket.c:2784)
[   28.971194][  T925]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   28.971364][  T925]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   28.971579][  T925]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.971753][  T925]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   28.971938][  T925]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   28.972113][  T925]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   28.972287][  T925]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   28.972461][  T925]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.972669][  T925] RIP: 0033:0x7f1f3450f08e
[   28.972858][  T925] 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
[   28.973346][  T925] RSP: 002b:00007ffef85a6ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.973589][  T925] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1f3450f08e
[   28.973833][  T925] RDX: 0000000000000000 RSI: 00007ffef85a6b90 RDI: 0000000000000005
[   28.974064][  T925] RBP: 00007ffef85a6af0 R08: 0000000000000000 R09: 0000000000000000
[   28.974297][  T925] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bc
[   28.974536][  T925] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef85a7260
| [   29.025855][  T926] ------------[ cut here ]------------
| [   29.026008][  T926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/926
| [   29.026227][  T926] Modules linked in: vxlan
| [   29.026620][  T926] Tainted: [W]=WARN
[   29.026715][  T926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.027518][  T926] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.027682][  T926] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.028201][  T926] RSP: 0018:ffa0000001f87190 EFLAGS: 00010286
[   29.028358][  T926] RAX: 00000000ffffffa6 RBX: ff1100000cd8be00 RCX: 1ff40000003f0df8
[   29.028548][  T926] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8bebc
[   29.028733][  T926] RBP: ff1100000598a000 R08: 1fe22000019b17d9 R09: ff11000011fc2e58
[   29.028926][  T926] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.029116][  T926] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.029303][  T926] FS:  00007f407fa72840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   29.029525][  T926] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.029685][  T926] CR2: 00007f407fd421a0 CR3: 000000000e47f005 CR4: 0000000000771ef0
[   29.029876][  T926] PKRU: 55555554
[   29.029970][  T926] Call Trace:
[   29.030063][  T926]  <TASK>
[   29.030128][  T926]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.030284][  T926]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.030436][  T926]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.030564][  T926]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.030688][  T926]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   29.030852][  T926]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.030978][  T926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.031101][  T926]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.031225][  T926]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.031350][  T926]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.031473][  T926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.031618][  T926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.031741][  T926]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.031867][  T926]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.031990][  T926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.032113][  T926]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.032237][  T926]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   29.032362][  T926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.032484][  T926]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.032612][  T926]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.032738][  T926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.032869][  T926]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.032995][  T926]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.033118][  T926]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.033240][  T926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.033363][  T926]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.033494][  T926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.033617][  T926]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.033741][  T926]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.033867][  T926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.033992][  T926]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.034120][  T926]  ? 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))
[   29.034246][  T926]  ? 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))
[   29.034372][  T926]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.034505][  T926]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.034629][  T926]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.034755][  T926]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.034889][  T926]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.035013][  T926]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.035140][  T926]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.035265][  T926]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.035389][  T926]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.035549][  T926]  ? move_addr_to_kernel (net/socket.c:258)
[   29.035674][  T926]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.035799][  T926]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.035929][  T926]  ___sys_sendmsg (net/socket.c:2752)
[   29.036051][  T926]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.036207][  T926]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.036343][  T926]  __sys_sendmsg (net/socket.c:2784)
[   29.036469][  T926]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.036596][  T926]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.036751][  T926]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.036879][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.037014][  T926]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.037138][  T926]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.037262][  T926]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.037388][  T926]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.037548][  T926] RIP: 0033:0x7f407fcac08e
[   29.037682][  T926] 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
[   29.038124][  T926] RSP: 002b:00007ffc170fdcd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.038311][  T926] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f407fcac08e
[   29.038497][  T926] RDX: 0000000000000000 RSI: 00007ffc170fdd80 RDI: 0000000000000005
[   29.038682][  T926] RBP: 00007ffc170fdce0 R08: 0000000000000000 R09: 0000000000000000
[   29.038872][  T926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bc
[   29.039058][  T926] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc170fe450
| [   29.084760][  T927] ------------[ cut here ]------------
| [   29.084914][  T927] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/927
| [   29.085132][  T927] Modules linked in: vxlan
| [   29.085523][  T927] Tainted: [W]=WARN
[   29.085619][  T927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.085773][  T927] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.086464][  T927] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.086918][  T927] RSP: 0018:ffa0000001f97190 EFLAGS: 00010286
[   29.087077][  T927] RAX: 00000000ffffffa6 RBX: ff1100000fefa040 RCX: 1ff40000003f2df8
[   29.087262][  T927] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa0fc
[   29.087449][  T927] RBP: ff1100000f41a000 R08: 1fe2200001fdf421 R09: ff11000011fc5158
[   29.087638][  T927] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.087826][  T927] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.088012][  T927] FS:  00007f6415e8b840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   29.088232][  T927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.088389][  T927] CR2: 000000002553c988 CR3: 000000000b4f9001 CR4: 0000000000771ef0
[   29.088581][  T927] PKRU: 55555554
[   29.088673][  T927] Call Trace:
[   29.088766][  T927]  <TASK>
[   29.088835][  T927]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.088993][  T927]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.089149][  T927]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.089273][  T927]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.089400][  T927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.089531][  T927]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.089653][  T927]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.089775][  T927]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.089904][  T927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.090044][  T927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.090169][  T927]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.090291][  T927]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.090412][  T927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.090540][  T927]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.090664][  T927]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   29.090789][  T927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.090917][  T927]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.091040][  T927]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.091163][  T927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.091289][  T927]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.091412][  T927]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.091538][  T927]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.091662][  T927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.091795][  T927]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.091930][  T927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.092053][  T927]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.092178][  T927]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.092304][  T927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.092427][  T927]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.092561][  T927]  ? 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))
[   29.092685][  T927]  ? 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))
[   29.092812][  T927]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.092948][  T927]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.093073][  T927]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.093200][  T927]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.093327][  T927]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.093453][  T927]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.093585][  T927]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.093710][  T927]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.093838][  T927]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.093992][  T927]  ? move_addr_to_kernel (net/socket.c:258)
[   29.094121][  T927]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.094247][  T927]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.094372][  T927]  ___sys_sendmsg (net/socket.c:2752)
[   29.094501][  T927]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.094656][  T927]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.094793][  T927]  __sys_sendmsg (net/socket.c:2784)
[   29.094923][  T927]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.095049][  T927]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.095205][  T927]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.095329][  T927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.095457][  T927]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.095589][  T927]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.095716][  T927]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.095846][  T927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.096001][  T927] RIP: 0033:0x7f64160c508e
[   29.096134][  T927] 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
[   29.096583][  T927] RSP: 002b:00007fff087d7bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.096770][  T927] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f64160c508e
[   29.096959][  T927] RDX: 0000000000000000 RSI: 00007fff087d7c80 RDI: 0000000000000005
[   29.097146][  T927] RBP: 00007fff087d7be0 R08: 0000000000000000 R09: 0000000000000000
[   29.097331][  T927] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bc
[   29.097522][  T927] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff087d8350
| [   29.140268][  T928] ------------[ cut here ]------------
| [   29.140454][  T928] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/928
| [   29.140724][  T928] Modules linked in: vxlan
| [   29.141217][  T928] Tainted: [W]=WARN
[   29.141357][  T928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.141569][  T928] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.141780][  T928] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.142281][  T928] RSP: 0018:ffa0000001fa7190 EFLAGS: 00010286
[   29.142486][  T928] RAX: 00000000ffffffa6 RBX: ff11000009c4cc80 RCX: 1ff40000003f4df8
[   29.142727][  T928] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4cd3c
[   29.142979][  T928] RBP: ff11000006152000 R08: 1fe22000013899a9 R09: ff11000004d20b58
[   29.143211][  T928] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.143445][  T928] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.143692][  T928] FS:  00007f6b95f10840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   29.143965][  T928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.144168][  T928] CR2: 00007f6b961e01a0 CR3: 000000000a3cf005 CR4: 0000000000771ef0
[   29.144411][  T928] PKRU: 55555554
[   29.144560][  T928] Call Trace:
[   29.144701][  T928]  <TASK>
[   29.144817][  T928]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.145200][  T928]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.145475][  T928]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.145719][  T928]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   29.146041][  T928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.146247][  T928]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.146416][  T928]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.146611][  T928]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.146782][  T928]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.146984][  T928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.147155][  T928]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.147329][  T928]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.147514][  T928]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.147686][  T928]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.147872][  T928]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   29.148052][  T928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.148224][  T928]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.148397][  T928]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.148580][  T928]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.148758][  T928]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   29.148947][  T928]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.149120][  T928]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.149296][  T928]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.149466][  T928]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.149648][  T928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.149833][  T928]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.150008][  T928]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.150180][  T928]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.150353][  T928]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.150536][  T928]  ? 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))
[   29.150712][  T928]  ? 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))
[   29.150901][  T928]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.151075][  T928]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.151248][  T928]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.151421][  T928]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.151602][  T928]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.151775][  T928]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.152021][  T928]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.152266][  T928]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.152517][  T928]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.152811][  T928]  ? move_addr_to_kernel (net/socket.c:258)
[   29.153068][  T928]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.153244][  T928]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.153417][  T928]  ___sys_sendmsg (net/socket.c:2752)
[   29.153601][  T928]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.153803][  T928]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.154205][  T928]  __sys_sendmsg (net/socket.c:2784)
[   29.154379][  T928]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.154558][  T928]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.154765][  T928]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.154950][  T928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.155127][  T928]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.155299][  T928]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.155470][  T928]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.155649][  T928]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.155863][  T928] RIP: 0033:0x7f6b9614a08e
[   29.156042][  T928] 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
[   29.156540][  T928] RSP: 002b:00007fff5d7fee60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.156774][  T928] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6b9614a08e
[   29.157020][  T928] RDX: 0000000000000000 RSI: 00007fff5d7fef10 RDI: 0000000000000005
[   29.157252][  T928] RBP: 00007fff5d7fee70 R08: 0000000000000000 R09: 0000000000000000
[   29.157488][  T928] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bc
[   29.157729][  T928] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5d7ff5e0
| [   29.228229][   T68] ------------[ cut here ]------------
| [   29.228367][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   29.228659][   T68] Modules linked in: vxlan
| [   29.229179][   T68] Tainted: [W]=WARN
[   29.229270][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.229419][   T68] Workqueue: netns cleanup_net
[   29.229553][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.229707][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.230140][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   29.230289][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cde7e00 RCX: 1ff4000000092eed
[   29.230464][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde7ebc
[   29.230647][   T68] RBP: ff1100000e6c1000 R08: 1fe22000019bcfd9 R09: ff1100000915aed0
[   29.230832][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.231008][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.231186][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   29.231391][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.231544][   T68] CR2: 00007eff5401a000 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   29.231723][   T68] PKRU: 55555554
[   29.231811][   T68] Call Trace:
[   29.231918][   T68]  <TASK>
[   29.231981][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.232132][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.232287][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.232412][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.232535][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.232652][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.232771][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.232918][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.233038][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   29.233159][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.233280][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   29.233398][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.233519][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.233644][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.233760][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.233888][   T68]  process_one_work (kernel/workqueue.c:3314)
[   29.234008][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.234126][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.234248][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.234367][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.234483][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.234604][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.234724][   T68]  kthread (kernel/kthread.c:436)
[   29.234813][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.234965][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.235083][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.235202][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.235349][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.235467][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.235588][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.237941][   T68] ------------[ cut here ]------------
| [   29.238059][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   29.238287][   T68] Modules linked in: vxlan
| [   29.238682][   T68] Tainted: [W]=WARN
[   29.238772][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.238921][   T68] Workqueue: netns cleanup_net
[   29.239048][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.239200][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.239617][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   29.239762][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cde6580 RCX: 1ff4000000092eed
[   29.239945][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde663c
[   29.240117][   T68] RBP: ff1100000f881000 R08: 1fe22000019bccc9 R09: ff1100000915aed0
[   29.240291][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.240464][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.240646][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   29.240858][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.241006][   T68] CR2: 00007eff5401a000 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   29.241186][   T68] PKRU: 55555554
[   29.241273][   T68] Call Trace:
[   29.241358][   T68]  <TASK>
[   29.241419][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.241575][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.241720][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.241843][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.241962][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.242079][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.242197][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.242316][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.242435][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   29.242558][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.242677][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   29.242794][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.242918][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.243035][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.243150][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.243266][   T68]  process_one_work (kernel/workqueue.c:3314)
[   29.243387][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.243507][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.243629][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.243749][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.243874][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.243996][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.244112][   T68]  kthread (kernel/kthread.c:436)
[   29.244199][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.244345][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.244460][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.244582][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.244730][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.244852][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.244970][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.247500][   T68] ------------[ cut here ]------------
| [   29.247617][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   29.247850][   T68] Modules linked in: vxlan
| [   29.248299][   T68] Tainted: [W]=WARN
[   29.248386][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.248610][   T68] Workqueue: netns cleanup_net
[   29.248732][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.248889][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.249380][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   29.249529][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cde7700 RCX: 1ff4000000092eed
[   29.249776][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde77bc
[   29.249958][   T68] RBP: ff1100000f009000 R08: 1fe22000019bcef9 R09: ff1100000915aed0
[   29.250204][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.250376][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.250555][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   29.250835][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.250979][   T68] CR2: 00007eff5401a000 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   29.251154][   T68] PKRU: 55555554
[   29.251241][   T68] Call Trace:
[   29.251329][   T68]  <TASK>
[   29.251389][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.251545][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.251689][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.251806][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.251929][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.252046][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.252164][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.252282][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.252400][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   29.252521][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.252642][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   29.252758][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.252883][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.253001][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.253117][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.253235][   T68]  process_one_work (kernel/workqueue.c:3314)
[   29.253356][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.253471][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.253605][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.253725][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.253846][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.253965][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.254082][   T68]  kthread (kernel/kthread.c:436)
[   29.254169][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.254315][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.254435][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.254559][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.254704][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.254825][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.254943][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.256894][   T68] ------------[ cut here ]------------
| [   29.257007][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   29.257236][   T68] Modules linked in: vxlan
| [   29.257620][   T68] Tainted: [W]=WARN
[   29.257708][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.257857][   T68] Workqueue: netns cleanup_net
[   29.257976][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.258127][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.258542][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   29.258685][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cde7380 RCX: 1ff4000000092eed
[   29.258861][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cde743c
[   29.259034][   T68] RBP: ff1100000f6ec000 R08: 1fe22000019bce89 R09: ff1100000915aed0
[   29.259204][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.259375][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.259552][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   29.259755][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.259909][   T68] CR2: 00007eff5401a000 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   29.260082][   T68] PKRU: 55555554
[   29.260168][   T68] Call Trace:
[   29.260256][   T68]  <TASK>
[   29.260316][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.260465][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.260615][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.260733][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.260856][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.260971][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.261089][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.261206][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.261323][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   29.261439][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.261562][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   29.261679][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.261794][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.261916][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.262033][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.262152][   T68]  process_one_work (kernel/workqueue.c:3314)
[   29.262271][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.262389][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.262511][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.262628][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.262745][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.262870][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.262985][   T68]  kthread (kernel/kthread.c:436)
[   29.263072][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.263216][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.263334][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.263457][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.263604][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.263720][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.263838][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.265771][   T68] ------------[ cut here ]------------
| [   29.265889][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   29.266117][   T68] Modules linked in: vxlan
| [   29.266498][   T68] Tainted: [W]=WARN
[   29.266584][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.266733][   T68] Workqueue: netns cleanup_net
[   29.266858][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.267009][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.267503][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   29.267649][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c405540 RCX: 1ff4000000092eed
[   29.267899][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4055fc
[   29.268070][   T68] RBP: ff1100000f1cc000 R08: 1fe2200001880ac1 R09: ff1100000915aed0
[   29.268321][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   29.268494][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.268667][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   29.268947][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.269093][   T68] CR2: 00007eff5401a000 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   29.269271][   T68] PKRU: 55555554
[   29.269429][   T68] Call Trace:
[   29.269519][   T68]  <TASK>
[   29.269579][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.269726][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.269874][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   29.269991][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   29.270107][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.270220][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   29.270407][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.270529][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   29.270644][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   29.270759][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.270881][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   29.270999][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.271115][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.271237][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.271423][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.271546][   T68]  process_one_work (kernel/workqueue.c:3314)
[   29.271665][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.271781][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.271981][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.272101][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.272216][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.272331][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.272521][   T68]  kthread (kernel/kthread.c:436)
[   29.272609][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.272754][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.272874][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.273063][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.273207][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.273323][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.273438][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.287135][   T68] ------------[ cut here ]------------
| [   29.287319][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   29.287587][   T68] Modules linked in: vxlan
| [   29.288013][   T68] Tainted: [W]=WARN
[   29.288106][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.288267][   T68] Workqueue: netns cleanup_net
[   29.288394][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.288559][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.289009][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   29.289163][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c404580 RCX: 1ff4000000092eaf
[   29.289343][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c40463c
[   29.289532][   T68] RBP: ff11000008069000 R08: 1fe22000018808c9 R09: ff1100000915aed0
[   29.289717][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   29.289905][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   29.290089][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   29.290302][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.290457][   T68] CR2: 00007eff5401a000 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   29.290645][   T68] PKRU: 55555554
[   29.290738][   T68] Call Trace:
[   29.290833][   T68]  <TASK>
[   29.290899][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.291024][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.291117][   T68]  netif_close_many (net/core/dev.c:1804)
[   29.291240][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.291363][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.291485][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.291612][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   29.291735][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   29.291894][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   29.292046][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.292169][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.292291][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   29.292414][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.292570][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.292695][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.292878][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.293005][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.293127][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.293253][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.293377][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   29.293502][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.293627][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   29.293750][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.293928][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.294100][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.294224][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.294350][   T68]  process_one_work (kernel/workqueue.c:3314)
[   29.294476][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.294604][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.294730][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.294905][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.295031][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.295154][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.295276][   T68]  kthread (kernel/kthread.c:436)
[   29.295370][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.295532][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.295655][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.295778][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.295984][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.296108][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.296231][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.299247][   T68] ------------[ cut here ]------------
| [   29.299445][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   29.299738][   T68] Modules linked in: vxlan
| [   29.300241][   T68] Tainted: [W]=WARN
[   29.300379][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.300584][   T68] Workqueue: netns cleanup_net
[   29.300770][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.300996][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.301465][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   29.301669][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a1b3e00 RCX: 1ff4000000092ed5
[   29.301912][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b3ebc
[   29.302138][   T68] RBP: ff11000008069000 R08: 1fe22000014367d9 R09: ff1100000915aed0
[   29.302363][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.302596][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   29.302843][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   29.303098][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.303295][   T68] CR2: 00007f39bebee000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   29.303532][   T68] PKRU: 55555554
[   29.303668][   T68] Call Trace:
[   29.303805][   T68]  <TASK>
[   29.303935][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   29.304136][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   29.304334][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.304511][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   29.304683][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   29.304866][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   29.305065][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.305234][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   29.305403][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   29.305577][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.305748][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   29.305930][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.306096][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   29.306264][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.306434][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.306613][   T68]  process_one_work (kernel/workqueue.c:3314)
[   29.306785][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   29.306962][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.307134][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   29.307304][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.307473][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.307653][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   29.307862][   T68]  kthread (kernel/kthread.c:436)
[   29.308001][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.308200][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.308370][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.308550][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   29.308756][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.308941][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   29.309110][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.447206][  T939] ------------[ cut here ]------------
| [   29.447387][  T939] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/939
| [   29.447629][  T939] Modules linked in: vxlan
| [   29.448049][  T939] Tainted: [W]=WARN
[   29.448151][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.448316][  T939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.448494][  T939] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.449312][  T939] RSP: 0018:ffa0000001f47a80 EFLAGS: 00010286
[   29.449482][  T939] RAX: 00000000ffffffa6 RBX: ff1100000ceb0580 RCX: 1ff40000003e8f16
[   29.449686][  T939] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceb063c
[   29.449890][  T939] RBP: ff11000008fb9000 R08: 1fe22000019d60c9 R09: ff110000096ed180
[   29.450087][  T939] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.450300][  T939] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008fb9000
[   29.450576][  T939] FS:  00007f765a604840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   29.450918][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.451158][  T939] CR2: 00007f765a810690 CR3: 000000000f81c003 CR4: 0000000000771ef0
[   29.451442][  T939] PKRU: 55555554
[   29.451585][  T939] Call Trace:
[   29.451726][  T939]  <TASK>
[   29.451827][  T939]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.451993][  T939]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.452128][  T939]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.452228][  T939]  register_netdevice (net/core/dev.c:11488)
[   29.452361][  T939]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.452530][  T939]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.452668][  T939]  register_netdev (net/core/dev.c:11552)
[   29.452802][  T939]  loopback_net_init (drivers/net/loopback.c:218)
[   29.452944][  T939]  ops_init (net/core/net_namespace.c:137)
[   29.453046][  T939]  setup_net (net/core/net_namespace.c:446)
[   29.453147][  T939]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.453277][  T939]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.453408][  T939]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.453546][  T939]  copy_net_ns (net/core/net_namespace.c:579)
[   29.453681][  T939]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.453815][  T939]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.453954][  T939]  ksys_unshare (kernel/fork.c:3243)
[   29.454089][  T939]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.454222][  T939]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.454353][  T939]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.454486][  T939]  ? __ia32_sys_open (fs/open.c:1374)
[   29.454625][  T939]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.454756][  T939]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.454899][  T939]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.455031][  T939]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.455166][  T939]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.455298][  T939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.455464][  T939] RIP: 0033:0x7f765a8c6bcb
[   29.455608][  T939] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   29.456083][  T939] RSP: 002b:00007ffe533f1a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   29.456287][  T939] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f765a8c6bcb
[   29.456498][  T939] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.456701][  T939] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.456911][  T939] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe533f3c70
[   29.457114][  T939] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe533f588c
| [   29.461414][  T939] ------------[ cut here ]------------
| [   29.461571][  T939] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/939
| [   29.461793][  T939] Modules linked in: vxlan
| [   29.462200][  T939] Tainted: [W]=WARN
[   29.462299][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.462463][  T939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.462640][  T939] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.463116][  T939] RSP: 0018:ffa0000001f47918 EFLAGS: 00010286
[   29.463281][  T939] RAX: 00000000ffffffa6 RBX: ff1100000c937c40 RCX: 1ff40000003e8ee9
[   29.463478][  T939] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c937cfc
[   29.463679][  T939] RBP: ff1100000f69c000 R08: 1fe2200001926fa1 R09: ff110000096ed180
[   29.463879][  T939] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.464077][  T939] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f69c000
[   29.464277][  T939] FS:  00007f765a604840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   29.464515][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.464681][  T939] CR2: 00007f765a810690 CR3: 000000000f81c003 CR4: 0000000000771ef0
[   29.464881][  T939] PKRU: 55555554
[   29.464979][  T939] Call Trace:
[   29.465078][  T939]  <TASK>
[   29.465146][  T939]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.465279][  T939]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.465411][  T939]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.465516][  T939]  register_netdevice (net/core/dev.c:11488)
[   29.465650][  T939]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.465813][  T939]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.465952][  T939]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   29.466086][  T939]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   29.466217][  T939]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   29.466351][  T939]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   29.466483][  T939]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   29.466621][  T939]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   29.466754][  T939]  ops_init (net/core/net_namespace.c:137)
[   29.466862][  T939]  setup_net (net/core/net_namespace.c:446)
[   29.466962][  T939]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.467091][  T939]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.467247][  T939]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.467381][  T939]  copy_net_ns (net/core/net_namespace.c:579)
[   29.467518][  T939]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.467652][  T939]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.467785][  T939]  ksys_unshare (kernel/fork.c:3243)
[   29.467925][  T939]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.468057][  T939]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.468187][  T939]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.468318][  T939]  ? __ia32_sys_open (fs/open.c:1374)
[   29.468450][  T939]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.468585][  T939]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.468717][  T939]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.468852][  T939]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.468982][  T939]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.469114][  T939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.469278][  T939] RIP: 0033:0x7f765a8c6bcb
[   29.469419][  T939] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   29.469903][  T939] RSP: 002b:00007ffe533f1a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   29.470105][  T939] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f765a8c6bcb
[   29.470305][  T939] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.470510][  T939] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.470715][  T939] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe533f3c70
[   29.470922][  T939] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe533f588c
| [   29.474928][  T939] ------------[ cut here ]------------
| [   29.475071][  T939] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/939
| [   29.475301][  T939] Modules linked in: vxlan
| [   29.475710][  T939] Tainted: [W]=WARN
[   29.475812][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.475986][  T939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.476184][  T939] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.476666][  T939] RSP: 0018:ffa0000001f478f8 EFLAGS: 00010286
[   29.476838][  T939] RAX: 00000000ffffffa6 RBX: ff1100000bc10c80 RCX: 1ff40000003e8ee5
[   29.477037][  T939] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc10d3c
[   29.477239][  T939] RBP: ff11000009641000 R08: 1fe22000017821a9 R09: ff110000096ed180
[   29.477442][  T939] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.477652][  T939] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009641000
[   29.477862][  T939] FS:  00007f765a604840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   29.478101][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.478273][  T939] CR2: 00007f765a810690 CR3: 000000000f81c003 CR4: 0000000000771ef0
[   29.478480][  T939] PKRU: 55555554
[   29.478589][  T939] Call Trace:
[   29.478691][  T939]  <TASK>
[   29.478761][  T939]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.478903][  T939]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.479041][  T939]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.479145][  T939]  register_netdevice (net/core/dev.c:11488)
[   29.479285][  T939]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.479459][  T939]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.479602][  T939]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   29.479739][  T939]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   29.479881][  T939]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   29.480019][  T939]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   29.480157][  T939]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   29.480295][  T939]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   29.480484][  T939]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.480672][  T939]  vti_init_net (net/ipv4/ip_vti.c:517)
[   29.480849][  T939]  ops_init (net/core/net_namespace.c:137)
[   29.480970][  T939]  setup_net (net/core/net_namespace.c:446)
[   29.481100][  T939]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.481272][  T939]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.481448][  T939]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.481630][  T939]  copy_net_ns (net/core/net_namespace.c:579)
[   29.481810][  T939]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.482004][  T939]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.482183][  T939]  ksys_unshare (kernel/fork.c:3243)
[   29.482365][  T939]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.482552][  T939]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.482741][  T939]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.482930][  T939]  ? __ia32_sys_open (fs/open.c:1374)
[   29.483118][  T939]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.483293][  T939]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.483459][  T939]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.483641][  T939]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.483811][  T939]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.483989][  T939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.484175][  T939] RIP: 0033:0x7f765a8c6bcb
[   29.484362][  T939] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   29.484977][  T939] RSP: 002b:00007ffe533f1a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   29.485234][  T939] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f765a8c6bcb
[   29.485496][  T939] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.485772][  T939] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.486058][  T939] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe533f3c70
[   29.486322][  T939] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe533f588c
| [   29.492774][  T939] ------------[ cut here ]------------
| [   29.492981][  T939] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/939
| [   29.493294][  T939] Modules linked in: vxlan
| [   29.493869][  T939] Tainted: [W]=WARN
[   29.493981][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.494194][  T939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.494405][  T939] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.495071][  T939] RSP: 0018:ffa0000001f47a78 EFLAGS: 00010286
[   29.495294][  T939] RAX: 00000000ffffffa6 RBX: ff1100000bc11000 RCX: 1ff40000003e8f15
[   29.495538][  T939] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc110bc
[   29.495789][  T939] RBP: ff1100000a8dc000 R08: 1fe2200001782219 R09: ff110000096ed180
[   29.496100][  T939] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.496371][  T939] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8dc000
[   29.496658][  T939] FS:  00007f765a604840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   29.497025][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.497257][  T939] CR2: 00007f765a810690 CR3: 000000000f81c003 CR4: 0000000000771ef0
[   29.497541][  T939] PKRU: 55555554
[   29.497680][  T939] Call Trace:
[   29.497782][  T939]  <TASK>
[   29.497921][  T939]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.498103][  T939]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.498271][  T939]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.498413][  T939]  register_netdevice (net/core/dev.c:11488)
[   29.498575][  T939]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.498743][  T939]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.498933][  T939]  register_netdev (net/core/dev.c:11552)
[   29.499066][  T939]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   29.499214][  T939]  ops_init (net/core/net_namespace.c:137)
[   29.499315][  T939]  setup_net (net/core/net_namespace.c:446)
[   29.499416][  T939]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.499551][  T939]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.499682][  T939]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.499813][  T939]  copy_net_ns (net/core/net_namespace.c:579)
[   29.500001][  T939]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.500136][  T939]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.500266][  T939]  ksys_unshare (kernel/fork.c:3243)
[   29.500399][  T939]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.500535][  T939]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.500666][  T939]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.500797][  T939]  ? __ia32_sys_open (fs/open.c:1374)
[   29.500983][  T939]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.501112][  T939]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.501242][  T939]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.501373][  T939]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.501507][  T939]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.501639][  T939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.501802][  T939] RIP: 0033:0x7f765a8c6bcb
[   29.501997][  T939] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   29.502463][  T939] RSP: 002b:00007ffe533f1a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   29.502694][  T939] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f765a8c6bcb
[   29.503032][  T939] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.503302][  T939] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.503589][  T939] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe533f3c70
[   29.503919][  T939] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe533f588c
| [   29.514686][  T939] ------------[ cut here ]------------
| [   29.514851][  T939] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/939
| [   29.515079][  T939] Modules linked in: vxlan
| [   29.515477][  T939] Tainted: [W]=WARN
[   29.515580][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.515745][  T939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.516459][  T939] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.517192][  T939] RSP: 0018:ffa0000001f47a68 EFLAGS: 00010286
[   29.517430][  T939] RAX: 00000000ffffffa6 RBX: ff1100000dbf9e00 RCX: 1ff40000003e8f13
[   29.517713][  T939] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf9ebc
[   29.518052][  T939] RBP: ff11000011f04000 R08: 1fe2200001b7f3d9 R09: ff110000096ed180
[   29.518304][  T939] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.518510][  T939] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011f04000
[   29.518769][  T939] FS:  00007f765a604840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   29.519063][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.519232][  T939] CR2: 00007f765a810690 CR3: 000000000f81c003 CR4: 0000000000771ef0
[   29.519436][  T939] PKRU: 55555554
[   29.519542][  T939] Call Trace:
[   29.519644][  T939]  <TASK>
[   29.519713][  T939]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.519904][  T939]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.520040][  T939]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.520143][  T939]  register_netdevice (net/core/dev.c:11488)
[   29.520279][  T939]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.520450][  T939]  register_netdev (net/core/dev.c:11552)
[   29.520591][  T939]  sit_init_net (net/ipv6/sit.c:1860)
[   29.520728][  T939]  ops_init (net/core/net_namespace.c:137)
[   29.520887][  T939]  setup_net (net/core/net_namespace.c:446)
[   29.520990][  T939]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.521124][  T939]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.521259][  T939]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.521396][  T939]  copy_net_ns (net/core/net_namespace.c:579)
[   29.521537][  T939]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.521672][  T939]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.521804][  T939]  ksys_unshare (kernel/fork.c:3243)
[   29.521989][  T939]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.522122][  T939]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.522254][  T939]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.522386][  T939]  ? __ia32_sys_open (fs/open.c:1374)
[   29.522525][  T939]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.522655][  T939]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.522785][  T939]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.522972][  T939]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.523103][  T939]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.523234][  T939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.523396][  T939] RIP: 0033:0x7f765a8c6bcb
[   29.523540][  T939] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   29.524064][  T939] RSP: 002b:00007ffe533f1a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   29.524264][  T939] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f765a8c6bcb
[   29.524458][  T939] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.524659][  T939] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.524909][  T939] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe533f3c70
[   29.525107][  T939] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe533f588c
| [   29.530051][  T939] ------------[ cut here ]------------
| [   29.530236][  T939] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/939
| [   29.530520][  T939] Modules linked in: vxlan
| [   29.531034][  T939] Tainted: [W]=WARN
[   29.531180][  T939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.531390][  T939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.531615][  T939] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.532151][  T939] RSP: 0018:ffa0000001f47a78 EFLAGS: 00010286
[   29.532369][  T939] RAX: 00000000ffffffa6 RBX: ff1100000a233e00 RCX: 1ff40000003e8f15
[   29.532627][  T939] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a233ebc
[   29.532890][  T939] RBP: ff11000004dc9000 R08: 1fe22000014467d9 R09: ff110000096ed180
[   29.533143][  T939] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.533392][  T939] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004dc9000
[   29.533650][  T939] FS:  00007f765a604840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   29.533943][  T939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.534160][  T939] CR2: 000055bc7d569d5c CR3: 000000000f81c003 CR4: 0000000000771ef0
[   29.534413][  T939] PKRU: 55555554
[   29.534568][  T939] Call Trace:
[   29.534717][  T939]  <TASK>
[   29.534865][  T939]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.535090][  T939]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.535321][  T939]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.535506][  T939]  register_netdevice (net/core/dev.c:11488)
[   29.535734][  T939]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.536012][  T939]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.536245][  T939]  register_netdev (net/core/dev.c:11552)
[   29.536483][  T939]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   29.536727][  T939]  ops_init (net/core/net_namespace.c:137)
[   29.536930][  T939]  setup_net (net/core/net_namespace.c:446)
[   29.537122][  T939]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   29.537356][  T939]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   29.537601][  T939]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   29.537841][  T939]  copy_net_ns (net/core/net_namespace.c:579)
[   29.538071][  T939]  create_new_namespaces (kernel/nsproxy.c:132)
[   29.538296][  T939]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   29.538529][  T939]  ksys_unshare (kernel/fork.c:3243)
[   29.538768][  T939]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   29.539018][  T939]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   29.539253][  T939]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   29.539486][  T939]  ? __ia32_sys_open (fs/open.c:1374)
[   29.539733][  T939]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   29.539933][  T939]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   29.540114][  T939]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.540293][  T939]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.540472][  T939]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.540663][  T939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.540889][  T939] RIP: 0033:0x7f765a8c6bcb
[   29.541075][  T939] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   29.541594][  T939] RSP: 002b:00007ffe533f1a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   29.541850][  T939] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f765a8c6bcb
[   29.542091][  T939] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   29.542332][  T939] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   29.542581][  T939] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe533f3c70
[   29.542837][  T939] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe533f588c
| [   29.575077][  T940] ------------[ cut here ]------------
| [   29.575285][  T940] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/940
| [   29.575583][  T940] Modules linked in: vxlan
| [   29.576568][  T940] Tainted: [W]=WARN
[   29.576717][  T940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.576964][  T940] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.577202][  T940] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.577876][  T940] RSP: 0018:ffa0000001f27020 EFLAGS: 00010286
[   29.578111][  T940] RAX: 00000000ffffffa6 RBX: ff11000008e55000 RCX: 1ff40000003e4dca
[   29.578389][  T940] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e550bc
[   29.578670][  T940] RBP: ff11000008fb9000 R08: 1fe22000011caa19 R09: ff1100000f6f2e58
[   29.578951][  T940] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   29.579174][  T940] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   29.579375][  T940] FS:  00007f027e385840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   29.579614][  T940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.579779][  T940] CR2: 00000000281f0988 CR3: 000000000fd8f006 CR4: 0000000000771ef0
[   29.579979][  T940] PKRU: 55555554
[   29.580078][  T940] Call Trace:
[   29.580175][  T940]  <TASK>
[   29.580241][  T940]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.580374][  T940]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.580476][  T940]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   29.580614][  T940]  __dev_notify_flags (net/core/dev.c:9787)
[   29.580746][  T940]  ? netif_change_name (net/core/dev.c:1495)
[   29.580882][  T940]  ? __dev_change_flags (net/core/dev.c:9752)
[   29.581013][  T940]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.581143][  T940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.581274][  T940]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   29.581410][  T940]  netif_change_flags (net/core/dev.c:9820)
[   29.581547][  T940]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.581677][  T940]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   29.581809][  T940]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   29.581945][  T940]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   29.582108][  T940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.582239][  T940]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.582374][  T940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.582510][  T940]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.582657][  T940]  ? __kernel_text_address (kernel/extable.c:79)
[   29.582790][  T940]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.582933][  T940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.583066][  T940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.583201][  T940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.583336][  T940]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   29.583467][  T940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.583605][  T940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.583739][  T940]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   29.583879][  T940]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   29.584014][  T940]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   29.584149][  T940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   29.584285][  T940]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   29.584422][  T940]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   29.584565][  T940]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.584701][  T940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.584839][  T940]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.584974][  T940]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.585107][  T940]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.585240][  T940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.585375][  T940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.585510][  T940]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.585640][  T940]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.585771][  T940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.585908][  T940]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.586040][  T940]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.586171][  T940]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.586301][  T940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.586432][  T940]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.586568][  T940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.586697][  T940]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.586833][  T940]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.586965][  T940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.587098][  T940]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.587232][  T940]  ? 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))
[   29.587362][  T940]  ? 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))
[   29.587500][  T940]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.587633][  T940]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.587765][  T940]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.587902][  T940]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.588036][  T940]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.588182][  T940]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.588375][  T940]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.588571][  T940]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.588759][  T940]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.588995][  T940]  ? move_addr_to_kernel (net/socket.c:258)
[   29.589183][  T940]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.589367][  T940]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.589559][  T940]  ___sys_sendmsg (net/socket.c:2752)
[   29.589730][  T940]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   29.589940][  T940]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.590088][  T940]  __sys_sendmsg (net/socket.c:2784)
[   29.590225][  T940]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.590360][  T940]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   29.590536][  T940]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.590670][  T940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.590805][  T940]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.590950][  T940]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.591084][  T940]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.591221][  T940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.591387][  T940] RIP: 0033:0x7f027e5bf08e
[   29.591533][  T940] 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
[   29.592016][  T940] RSP: 002b:00007fffaf9912f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.592216][  T940] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f027e5bf08e
[   29.592415][  T940] RDX: 0000000000000000 RSI: 00007fffaf9913a0 RDI: 0000000000000005
[   29.592619][  T940] RBP: 00007fffaf991300 R08: 0000000000000000 R09: 0000000000000000
[   29.592827][  T940] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bc
[   29.593027][  T940] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffaf991a70
| [   29.697070][  T943] ------------[ cut here ]------------
| [   29.697280][  T943] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/943
| [   29.697585][  T943] Modules linked in: vxlan
| [   29.698032][  T943] Tainted: [W]=WARN
[   29.698143][  T943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.698320][  T943] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.698509][  T943] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.699016][  T943] RSP: 0018:ffa0000002036fd0 EFLAGS: 00010286
[   29.699195][  T943] RAX: 00000000ffffffa6 RBX: ff1100000d14ec80 RCX: 1ff4000000406dc0
[   29.699407][  T943] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14ed3c
[   29.699627][  T943] RBP: ff1100000fc8a000 R08: 1fe2200001a29da9 R09: ff110000021ed180
[   29.699847][  T943] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   29.700061][  T943] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc8ae44
[   29.700276][  T943] FS:  00007f23a5d22840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   29.700532][  T943] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.700708][  T943] CR2: 00007f23a5f1b460 CR3: 0000000012475006 CR4: 0000000000771ef0
[   29.700924][  T943] PKRU: 55555554
[   29.701030][  T943] Call Trace:
[   29.701134][  T943]  <TASK>
[   29.701205][  T943]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.701348][  T943]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   29.701503][  T943]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.701610][  T943]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   29.701752][  T943]  __dev_notify_flags (net/core/dev.c:9787)
[   29.701900][  T943]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.702043][  T943]  ? netif_change_name (net/core/dev.c:1495)
[   29.702184][  T943]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   29.702328][  T943]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.702473][  T943] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   29.702625][  T943]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   29.702774][  T943] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   29.702927][  T943]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   29.703077][  T943]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   29.703222][  T943]  ? nla_strscpy (lib/nlattr.c:795)
[   29.703369][  T943]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   29.703522][  T943]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.703667][  T943]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.703812][  T943]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.703970][  T943]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.704120][  T943]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.704267][  T943]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.704411][  T943]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.704562][  T943]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.704708][  T943]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.704857][  T943]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.705007][  T943]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.705153][  T943]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.705297][  T943]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.705443][  T943]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.705594][  T943]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.705739][  T943]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.705893][  T943]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.706038][  T943]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.706185][  T943]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.706330][  T943]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.706476][  T943]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.706629][  T943]  ? 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))
[   29.706773][  T943]  ? 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))
[   29.706926][  T943]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.707073][  T943]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.707219][  T943]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.707364][  T943]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.707513][  T943]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.707660][  T943]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.707806][  T943]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.707959][  T943]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.708103][  T943]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.708283][  T943]  ? move_addr_to_kernel (net/socket.c:258)
[   29.708431][  T943]  ___sys_sendmsg (net/socket.c:2752)
[   29.708581][  T943]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.708724][  T943]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.708883][  T943]  ? 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))
[   29.709032][  T943]  __sys_sendmsg (net/socket.c:2784)
[   29.709177][  T943]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.709327][  T943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.709473][  T943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.709624][  T943]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.709767][  T943]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.709915][  T943]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.710059][  T943]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.710238][  T943] RIP: 0033:0x7f23a5f5c08e
[   29.710388][  T943] 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
[   29.710909][  T943] RSP: 002b:00007ffe4a68b720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.711127][  T943] RAX: ffffffffffffffda RBX: 00007ffe4a68bed0 RCX: 00007f23a5f5c08e
[   29.711343][  T943] RDX: 0000000000000000 RSI: 00007ffe4a68b7d0 RDI: 0000000000000005
[   29.711565][  T943] RBP: 00007ffe4a68b730 R08: 0000000000000000 R09: 0000000000000000
[   29.711780][  T943] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bc
[   29.712000][  T943] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4a68bea0
| [   29.747616][  T944] ------------[ cut here ]------------
| [   29.747837][  T944] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/944
| [   29.748138][  T944] Modules linked in: vxlan
| [   29.748681][  T944] Tainted: [W]=WARN
[   29.748850][  T944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.749079][  T944] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.749316][  T944] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.749892][  T944] RSP: 0018:ffa0000002026fd0 EFLAGS: 00010286
[   29.750122][  T944] RAX: 00000000ffffffa6 RBX: ff1100000290ce40 RCX: 1ff4000000404dc0
[   29.750383][  T944] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290cefc
[   29.750649][  T944] RBP: ff110000118fa000 R08: 1fe22000005219e1 R09: ff1100000f80d180
[   29.750924][  T944] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.751188][  T944] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000118fae44
[   29.751452][  T944] FS:  00007fcd2ac53840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   29.751758][  T944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.751999][  T944] CR2: 00007fcd2ae4c460 CR3: 000000000f4d4003 CR4: 0000000000771ef0
[   29.752265][  T944] PKRU: 55555554
[   29.752422][  T944] Call Trace:
[   29.752589][  T944]  <TASK>
[   29.752715][  T944]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.752925][  T944]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   29.753121][  T944]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.753275][  T944]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   29.753465][  T944]  __dev_notify_flags (net/core/dev.c:9787)
[   29.753662][  T944]  ? notifier_call_chain (kernel/notifier.c:85)
[   29.753864][  T944]  ? netif_change_name (net/core/dev.c:1495)
[   29.754056][  T944]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   29.754248][  T944]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.754439][  T944] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   29.754644][  T944]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   29.754850][  T944] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   29.755042][  T944]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   29.755234][  T944]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   29.755422][  T944]  ? nla_strscpy (lib/nlattr.c:795)
[   29.755623][  T944]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   29.755816][  T944]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.756017][  T944]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.756206][  T944]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.756400][  T944]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.756606][  T944]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.756798][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.756998][  T944]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.757186][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.757373][  T944]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.757570][  T944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.757766][  T944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.757973][  T944]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.758163][  T944]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.758353][  T944]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.758556][  T944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.758752][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.758961][  T944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.759154][  T944]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.759347][  T944]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.759544][  T944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.759735][  T944]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.759943][  T944]  ? 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))
[   29.760133][  T944]  ? 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))
[   29.760329][  T944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.760531][  T944]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.760724][  T944]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.760931][  T944]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.761126][  T944]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.761320][  T944]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.761523][  T944]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.761719][  T944]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.761925][  T944]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.762153][  T944]  ? move_addr_to_kernel (net/socket.c:258)
[   29.762351][  T944]  ___sys_sendmsg (net/socket.c:2752)
[   29.762551][  T944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.762751][  T944]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.762968][  T944]  ? 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))
[   29.763164][  T944]  __sys_sendmsg (net/socket.c:2784)
[   29.763354][  T944]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.763555][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.763746][  T944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.763946][  T944]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.764136][  T944]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.764324][  T944]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.764519][  T944]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.764741][  T944] RIP: 0033:0x7fcd2ae8d08e
[   29.764944][  T944] 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
[   29.765487][  T944] RSP: 002b:00007ffdc49ddfa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.765756][  T944] RAX: ffffffffffffffda RBX: 00007ffdc49de750 RCX: 00007fcd2ae8d08e
[   29.766027][  T944] RDX: 0000000000000000 RSI: 00007ffdc49de050 RDI: 0000000000000005
[   29.766284][  T944] RBP: 00007ffdc49ddfb0 R08: 0000000000000000 R09: 0000000000000000
[   29.766547][  T944] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bc
[   29.766804][  T944] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc49de720
| [   29.800274][  T945] ------------[ cut here ]------------
| [   29.800427][  T945] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/945
| [   29.800668][  T945] Modules linked in: vxlan
| [   29.801553][  T945] Tainted: [W]=WARN
[   29.801656][  T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.801829][  T945] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.802004][  T945] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.802476][  T945] RSP: 0018:ffa00000020371b0 EFLAGS: 00010286
[   29.802649][  T945] RAX: 00000000ffffffa6 RBX: ff1100000cd8a740 RCX: 1ff4000000406dfc
[   29.802854][  T945] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8a7fc
[   29.803054][  T945] RBP: ff1100000f3c2000 R08: 1fe22000019b1501 R09: ff1100000f80ae80
[   29.803252][  T945] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   29.803450][  T945] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   29.803656][  T945] FS:  00007f12ccf9d840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   29.803896][  T945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.804064][  T945] CR2: 0000000000441b40 CR3: 0000000011c90006 CR4: 0000000000771ef0
[   29.804265][  T945] PKRU: 55555554
[   29.804366][  T945] Call Trace:
[   29.804467][  T945]  <TASK>
[   29.804542][  T945]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.804681][  T945]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.804784][  T945]  __dev_notify_flags (net/core/dev.c:9787)
[   29.804926][  T945]  ? netif_change_name (net/core/dev.c:1495)
[   29.805063][  T945]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.805231][  T945]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.805368][  T945]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.805507][  T945]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   29.805645][  T945]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   29.805781][  T945]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.805925][  T945]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.806060][  T945]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.806203][  T945]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.806343][  T945]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.806481][  T945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.806620][  T945]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.806753][  T945]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.806894][  T945]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.807030][  T945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.807170][  T945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.807304][  T945]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.807439][  T945]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.807576][  T945]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.807709][  T945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.807849][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.807986][  T945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.808120][  T945]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.808256][  T945]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.808392][  T945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.808533][  T945]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.808670][  T945]  ? 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))
[   29.808804][  T945]  ? 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))
[   29.808947][  T945]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.809085][  T945]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.809222][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.809358][  T945]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.809500][  T945]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.809637][  T945]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.809772][  T945]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.809912][  T945]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.810046][  T945]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.810212][  T945]  ? move_addr_to_kernel (net/socket.c:258)
[   29.810352][  T945]  ___sys_sendmsg (net/socket.c:2752)
[   29.810485][  T945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.810624][  T945]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.810768][  T945]  ? 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))
[   29.810911][  T945]  __sys_sendmsg (net/socket.c:2784)
[   29.811045][  T945]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.811186][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.811322][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.811457][  T945]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.811598][  T945]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.811735][  T945]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.811875][  T945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.812042][  T945] RIP: 0033:0x7f12cd1d708e
[   29.812184][  T945] 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
[   29.812670][  T945] RSP: 002b:00007ffc835668c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.812880][  T945] RAX: ffffffffffffffda RBX: 00007ffc83567068 RCX: 00007f12cd1d708e
[   29.813080][  T945] RDX: 0000000000000000 RSI: 00007ffc83566970 RDI: 0000000000000005
[   29.813281][  T945] RBP: 00007ffc835668d0 R08: 0000000000000000 R09: 0000000000000000
[   29.813480][  T945] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bd
[   29.813683][  T945] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc83567040
| [   29.847905][  T946] ------------[ cut here ]------------
| [   29.848094][  T946] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/946
| [   29.848378][  T946] Modules linked in: vxlan
| [   29.848897][  T946] Tainted: [W]=WARN
[   29.849045][  T946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.849257][  T946] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   29.849481][  T946] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   29.850505][  T946] RSP: 0018:ffa00000020471b0 EFLAGS: 00010286
[   29.850718][  T946] RAX: 00000000ffffffa6 RBX: ff1100000ceb03c0 RCX: 1ff4000000408dfc
[   29.850974][  T946] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceb047c
[   29.851217][  T946] RBP: ff1100000f3da000 R08: 1fe22000019d6091 R09: ff1100000aa48b80
[   29.851459][  T946] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   29.851708][  T946] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   29.851973][  T946] FS:  00007ff88e3bf840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   29.852253][  T946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.852467][  T946] CR2: 00007ff88e5b8460 CR3: 000000000b6bd004 CR4: 0000000000771ef0
[   29.852719][  T946] PKRU: 55555554
[   29.852874][  T946] Call Trace:
[   29.853022][  T946]  <TASK>
[   29.853138][  T946]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   29.853325][  T946]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   29.853474][  T946]  __dev_notify_flags (net/core/dev.c:9787)
[   29.853664][  T946]  ? netif_change_name (net/core/dev.c:1495)
[   29.853857][  T946]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   29.854068][  T946]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   29.854250][  T946]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   29.854431][  T946]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   29.854623][  T946]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   29.854808][  T946]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   29.855003][  T946]  ? __dev_get_by_name (net/core/dev.c:883)
[   29.855183][  T946]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   29.855370][  T946]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   29.855564][  T946]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   29.855751][  T946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.855947][  T946]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.856134][  T946]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.856315][  T946]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   29.856501][  T946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.856686][  T946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.856876][  T946]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   29.857059][  T946]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   29.857240][  T946]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   29.857423][  T946]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.857607][  T946]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.857789][  T946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   29.857978][  T946]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   29.858162][  T946]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   29.858343][  T946]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.858532][  T946]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.858717][  T946]  ? 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))
[   29.858914][  T946]  ? 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))
[   29.859097][  T946]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.859279][  T946]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.859460][  T946]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   29.859647][  T946]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   29.859842][  T946]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   29.860024][  T946]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   29.860209][  T946]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   29.860390][  T946]  ? copy_msghdr_from_user (net/socket.c:2635)
[   29.860576][  T946]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   29.860786][  T946]  ? move_addr_to_kernel (net/socket.c:258)
[   29.860982][  T946]  ___sys_sendmsg (net/socket.c:2752)
[   29.861163][  T946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   29.861345][  T946]  ? copy_msghdr_from_user (net/socket.c:2603)
[   29.861545][  T946]  ? 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))
[   29.861728][  T946]  __sys_sendmsg (net/socket.c:2784)
[   29.861924][  T946]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   29.862111][  T946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.862290][  T946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   29.862471][  T946]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   29.862658][  T946]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   29.862850][  T946]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   29.863036][  T946]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.863247][  T946] RIP: 0033:0x7ff88e5f908e
[   29.863431][  T946] 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
[   29.863970][  T946] RSP: 002b:00007fff0c9d9ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.864220][  T946] RAX: ffffffffffffffda RBX: 00007fff0c9da698 RCX: 00007ff88e5f908e
[   29.864463][  T946] RDX: 0000000000000000 RSI: 00007fff0c9d9fa0 RDI: 0000000000000005
[   29.864712][  T946] RBP: 00007fff0c9d9f00 R08: 0000000000000000 R09: 0000000000000000
[   29.864968][  T946] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bd
[   29.865214][  T946] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0c9da670
| [   30.373827][  T975] ------------[ cut here ]------------
| [   30.373993][  T975] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/975
| [   30.374219][  T975] Modules linked in: vxlan
| [   30.374622][  T975] Tainted: [W]=WARN
[   30.374718][  T975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.374885][  T975] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.375051][  T975] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.375528][  T975] RSP: 0018:ffa0000001e67190 EFLAGS: 00010286
[   30.375686][  T975] RAX: 00000000ffffffa6 RBX: ff1100000ff6b000 RCX: 1ff40000003ccdf8
[   30.375879][  T975] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6b0bc
[   30.376068][  T975] RBP: ff1100000f3da000 R08: 1fe2200001fed619 R09: ff1100000be92e58
[   30.376254][  T975] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.376441][  T975] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.376638][  T975] FS:  00007f6352e06840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   30.376868][  T975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.377027][  T975] CR2: 0000000002fbe988 CR3: 00000000118df003 CR4: 0000000000771ef0
[   30.377216][  T975] PKRU: 55555554
[   30.377308][  T975] Call Trace:
[   30.377402][  T975]  <TASK>
[   30.377468][  T975]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.377635][  T975]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.377792][  T975]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.377929][  T975]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.378057][  T975]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.378219][  T975]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.378344][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.378471][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.378604][  T975]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.378729][  T975]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.378858][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.379001][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.379126][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.379251][  T975]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.379377][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.379508][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.379634][  T975]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   30.379762][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.379892][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.380016][  T975]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.380142][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.380268][  T975]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.380394][  T975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.380526][  T975]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.380651][  T975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.380775][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.380907][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.381030][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.381157][  T975]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.381284][  T975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.381412][  T975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.381550][  T975]  ? 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))
[   30.381676][  T975]  ? 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))
[   30.381805][  T975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.381937][  T975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.382064][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.382192][  T975]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.382321][  T975]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.382448][  T975]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.382584][  T975]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.382710][  T975]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.382838][  T975]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.382992][  T975]  ? move_addr_to_kernel (net/socket.c:258)
[   30.383119][  T975]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.383247][  T975]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.383374][  T975]  ___sys_sendmsg (net/socket.c:2752)
[   30.383503][  T975]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.383661][  T975]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.383800][  T975]  __sys_sendmsg (net/socket.c:2784)
[   30.383930][  T975]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.384056][  T975]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.384218][  T975]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.384344][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.384470][  T975]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.384602][  T975]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.384728][  T975]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.384860][  T975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.385017][  T975] RIP: 0033:0x7f635304008e
[   30.385151][  T975] 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
[   30.385611][  T975] RSP: 002b:00007ffe0c1e6830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.385801][  T975] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f635304008e
[   30.385994][  T975] RDX: 0000000000000000 RSI: 00007ffe0c1e68e0 RDI: 0000000000000005
[   30.386182][  T975] RBP: 00007ffe0c1e6840 R08: 0000000000000000 R09: 0000000000000000
[   30.386370][  T975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bd
[   30.386565][  T975] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0c1e6fb0
| [   30.426004][  T976] ------------[ cut here ]------------
| [   30.426164][  T976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/976
| [   30.426388][  T976] Modules linked in: vxlan
| [   30.426788][  T976] Tainted: [W]=WARN
[   30.427124][  T976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.427283][  T976] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.427447][  T976] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.427910][  T976] RSP: 0018:ffa0000001c47190 EFLAGS: 00010286
[   30.428070][  T976] RAX: 00000000ffffffa6 RBX: ff1100000947bc40 RCX: 1ff4000000388df8
[   30.428262][  T976] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947bcfc
[   30.428451][  T976] RBP: ff1100000f3c2000 R08: 1fe220000128f7a1 R09: ff1100000be95158
[   30.428642][  T976] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.428831][  T976] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.429019][  T976] FS:  00007faeca859840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   30.429239][  T976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.429398][  T976] CR2: 000000000ea1c988 CR3: 00000000118dd005 CR4: 0000000000771ef0
[   30.429594][  T976] PKRU: 55555554
[   30.429688][  T976] Call Trace:
[   30.429781][  T976]  <TASK>
[   30.429852][  T976]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.430015][  T976]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.430173][  T976]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.430298][  T976]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.430424][  T976]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.430593][  T976]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.430721][  T976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.430852][  T976]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.430976][  T976]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.431102][  T976]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.431227][  T976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.431370][  T976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.431499][  T976]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.431623][  T976]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.431748][  T976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.431879][  T976]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.432003][  T976]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   30.432131][  T976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.432255][  T976]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.432380][  T976]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.432513][  T976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.432640][  T976]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.432767][  T976]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.432896][  T976]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.433022][  T976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.433147][  T976]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.433274][  T976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.433399][  T976]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.433530][  T976]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.433657][  T976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.433782][  T976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.433921][  T976]  ? 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))
[   30.434045][  T976]  ? 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))
[   30.434172][  T976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.434297][  T976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.434422][  T976]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.434553][  T976]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.434680][  T976]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.434807][  T976]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.434940][  T976]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.435066][  T976]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.435192][  T976]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.435347][  T976]  ? move_addr_to_kernel (net/socket.c:258)
[   30.435473][  T976]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.435603][  T976]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.435731][  T976]  ___sys_sendmsg (net/socket.c:2752)
[   30.435863][  T976]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.436019][  T976]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.436157][  T976]  __sys_sendmsg (net/socket.c:2784)
[   30.436283][  T976]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.436409][  T976]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.436572][  T976]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.436702][  T976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.436832][  T976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.436958][  T976]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.437084][  T976]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.437208][  T976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.437363][  T976] RIP: 0033:0x7faecaa9308e
[   30.437501][  T976] 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
[   30.437951][  T976] RSP: 002b:00007ffc81d43f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.438143][  T976] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faecaa9308e
[   30.438328][  T976] RDX: 0000000000000000 RSI: 00007ffc81d43fc0 RDI: 0000000000000005
[   30.438523][  T976] RBP: 00007ffc81d43f20 R08: 0000000000000000 R09: 0000000000000000
[   30.438711][  T976] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bd
[   30.438901][  T976] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc81d44690
| [   30.481113][  T977] ------------[ cut here ]------------
| [   30.481263][  T977] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/977
| [   30.481487][  T977] Modules linked in: vxlan
| [   30.481889][  T977] Tainted: [W]=WARN
[   30.481985][  T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.482143][  T977] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.482306][  T977] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.482754][  T977] RSP: 0018:ffa0000002197190 EFLAGS: 00010286
[   30.482917][  T977] RAX: 00000000ffffffa6 RBX: ff1100000629a580 RCX: 1ff4000000432df8
[   30.483101][  T977] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000629a63c
[   30.483287][  T977] RBP: ff110000118fa000 R08: 1fe2200000c534c9 R09: ff1100000f852e58
[   30.483473][  T977] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.483662][  T977] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.483863][  T977] FS:  00007f283b4be840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   30.484082][  T977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.484239][  T977] CR2: 0000000036ccb988 CR3: 000000000fdfb001 CR4: 0000000000771ef0
[   30.484429][  T977] PKRU: 55555554
[   30.484527][  T977] Call Trace:
[   30.484619][  T977]  <TASK>
[   30.484684][  T977]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.484848][  T977]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.485006][  T977]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.485131][  T977]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.485256][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.485379][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.485509][  T977]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.485634][  T977]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.485758][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.485904][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.486036][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.486159][  T977]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.486283][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.486410][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.486539][  T977]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   30.486666][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.486789][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.487376][  T977]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.487512][  T977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.487639][  T977]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.487764][  T977]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.487894][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.488016][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.488139][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.488263][  T977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.488386][  T977]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.488515][  T977]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.488642][  T977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.488769][  T977]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.488900][  T977]  ? 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))
[   30.489025][  T977]  ? 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))
[   30.489151][  T977]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.489279][  T977]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.489404][  T977]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.489532][  T977]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.489657][  T977]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.489784][  T977]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.489915][  T977]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.490040][  T977]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.490163][  T977]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.490318][  T977]  ? move_addr_to_kernel (net/socket.c:258)
[   30.490443][  T977]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.490574][  T977]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.490706][  T977]  ___sys_sendmsg (net/socket.c:2752)
[   30.490838][  T977]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.490994][  T977]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.491130][  T977]  __sys_sendmsg (net/socket.c:2784)
[   30.491256][  T977]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.491381][  T977]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.491543][  T977]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.491670][  T977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.491796][  T977]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.491930][  T977]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.492056][  T977]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.492179][  T977]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.492334][  T977] RIP: 0033:0x7f283b6f808e
[   30.492467][  T977] 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
[   30.492920][  T977] RSP: 002b:00007ffd22bef6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.493108][  T977] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f283b6f808e
[   30.493292][  T977] RDX: 0000000000000000 RSI: 00007ffd22bef770 RDI: 0000000000000005
[   30.493478][  T977] RBP: 00007ffd22bef6d0 R08: 0000000000000000 R09: 0000000000000000
[   30.493668][  T977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bd
[   30.493857][  T977] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd22befe40
| [   30.541044][  T978] ------------[ cut here ]------------
| [   30.541239][  T978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/978
| [   30.541509][  T978] Modules linked in: vxlan
| [   30.542129][  T978] Tainted: [W]=WARN
[   30.542401][  T978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.542669][  T978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.542972][  T978] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.543555][  T978] RSP: 0018:ffa00000021a7190 EFLAGS: 00010286
[   30.543897][  T978] RAX: 00000000ffffffa6 RBX: ff11000008f563c0 RCX: 1ff4000000434df8
[   30.544218][  T978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008f5647c
[   30.544458][  T978] RBP: ff1100000fc8a000 R08: 1fe22000011eac91 R09: ff1100000f648b58
[   30.544694][  T978] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.544935][  T978] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.545167][  T978] FS:  00007ff7125fb840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.545431][  T978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.545640][  T978] CR2: 00000000094c8988 CR3: 000000000e757006 CR4: 0000000000771ef0
[   30.545886][  T978] PKRU: 55555554
[   30.546025][  T978] Call Trace:
[   30.546166][  T978]  <TASK>
[   30.546276][  T978]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.546481][  T978]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.546694][  T978]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.546875][  T978]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   30.547046][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.547214][  T978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.547384][  T978]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.547561][  T978]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.547730][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.547933][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.548102][  T978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.548274][  T978]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.548443][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.548622][  T978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.548793][  T978]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   30.548978][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.549150][  T978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.549321][  T978]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.549491][  T978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.549671][  T978]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   30.549855][  T978]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.550026][  T978]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.550196][  T978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.550367][  T978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.550548][  T978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.550715][  T978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.550899][  T978]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.551068][  T978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.551236][  T978]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.551408][  T978]  ? 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))
[   30.551584][  T978]  ? 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))
[   30.551758][  T978]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.551943][  T978]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.552113][  T978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.552283][  T978]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.552454][  T978]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.552633][  T978]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.552804][  T978]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.552985][  T978]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.553158][  T978]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.553356][  T978]  ? move_addr_to_kernel (net/socket.c:258)
[   30.553532][  T978]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.553702][  T978]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.553887][  T978]  ___sys_sendmsg (net/socket.c:2752)
[   30.554057][  T978]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.554255][  T978]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.554437][  T978]  __sys_sendmsg (net/socket.c:2784)
[   30.554614][  T978]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.554781][  T978]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.554993][  T978]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.555164][  T978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.555334][  T978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.555510][  T978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.555681][  T978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.555864][  T978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.556063][  T978] RIP: 0033:0x7ff71283508e
[   30.556237][  T978] 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
[   30.556718][  T978] RSP: 002b:00007ffea9b193b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.556959][  T978] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff71283508e
[   30.557185][  T978] RDX: 0000000000000000 RSI: 00007ffea9b19460 RDI: 0000000000000005
[   30.557413][  T978] RBP: 00007ffea9b193c0 R08: 0000000000000000 R09: 0000000000000000
[   30.557646][  T978] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bd
[   30.557888][  T978] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea9b19b30
| [   30.635709][   T68] ------------[ cut here ]------------
| [   30.635896][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   30.636172][   T68] Modules linked in: vxlan
| [   30.636659][   T68] Tainted: [W]=WARN
[   30.636794][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.636999][   T68] Workqueue: netns cleanup_net
[   30.637171][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.637370][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.637849][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   30.638046][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c57b8c0 RCX: 1ff4000000092eed
[   30.638265][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c57b97c
[   30.638484][   T68] RBP: ff11000004dc9000 R08: 1fe22000018af731 R09: ff1100000915aed0
[   30.638711][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.638945][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.639167][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.639420][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.639622][   T68] CR2: 00007fb5e02d4000 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   30.639857][   T68] PKRU: 55555554
[   30.639993][   T68] Call Trace:
[   30.640128][   T68]  <TASK>
[   30.640236][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.640436][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.640667][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.640852][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.641024][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.641190][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.641356][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.641530][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.641699][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   30.641871][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.642039][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   30.642206][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.642369][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.642543][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.642707][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.642885][   T68]  process_one_work (kernel/workqueue.c:3314)
[   30.643055][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.643219][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.643387][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.643563][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.643729][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   30.643911][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.644074][   T68]  kthread (kernel/kthread.c:436)
[   30.644210][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.644404][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.644574][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.644744][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.644952][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.645118][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.645284][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.647918][   T68] ------------[ cut here ]------------
| [   30.648078][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   30.648354][   T68] Modules linked in: vxlan
| [   30.648847][   T68] Tainted: [W]=WARN
[   30.648982][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.649178][   T68] Workqueue: netns cleanup_net
[   30.649347][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.649553][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.650024][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   30.650218][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7fc40 RCX: 1ff4000000092eed
[   30.650438][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7fcfc
[   30.650667][   T68] RBP: ff11000011f04000 R08: 1fe220000198ffa1 R09: ff1100000915aed0
[   30.650897][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.651119][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.651359][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.651617][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.651815][   T68] CR2: 00007fb5e02d4000 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   30.652053][   T68] PKRU: 55555554
[   30.652188][   T68] Call Trace:
[   30.652322][   T68]  <TASK>
[   30.652429][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.652630][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.652834][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.653002][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.653168][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.653331][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.653507][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.653676][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.653856][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   30.654019][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.654188][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   30.654354][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.654523][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.654693][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.654871][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.655039][   T68]  process_one_work (kernel/workqueue.c:3314)
[   30.655208][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.655371][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.655546][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.655712][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.655890][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   30.656060][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.656226][   T68]  kthread (kernel/kthread.c:436)
[   30.656361][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.656561][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.656725][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.656903][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.657099][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.657264][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.657428][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.660347][   T68] ------------[ cut here ]------------
| [   30.660551][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   30.660913][   T68] Modules linked in: vxlan
| [   30.661570][   T68] Tainted: [W]=WARN
[   30.661737][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.662013][   T68] Workqueue: netns cleanup_net
[   30.662183][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.662455][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.662929][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   30.663121][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c4051c0 RCX: 1ff4000000092eed
[   30.663340][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c40527c
[   30.663714][   T68] RBP: ff1100000a8dc000 R08: 1fe2200001880a51 R09: ff1100000915aed0
[   30.663947][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.664167][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.664388][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.664645][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.664852][   T68] CR2: 00007fb5e02d4000 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   30.665147][   T68] PKRU: 55555554
[   30.665281][   T68] Call Trace:
[   30.665444][   T68]  <TASK>
[   30.665560][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.665757][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.665969][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.666135][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.666305][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.666467][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.666640][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.666807][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.667061][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   30.667296][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.667463][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   30.667635][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.667799][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.668050][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.668214][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.668382][   T68]  process_one_work (kernel/workqueue.c:3314)
[   30.668559][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.668723][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.668904][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.669075][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.669238][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   30.669404][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.669572][   T68]  kthread (kernel/kthread.c:436)
[   30.669777][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.669982][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.670150][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.670316][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.670586][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.670751][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.670929][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.673546][   T68] ------------[ cut here ]------------
| [   30.673707][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   30.673995][   T68] Modules linked in: vxlan
| [   30.674470][   T68] Tainted: [W]=WARN
[   30.674609][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.674810][   T68] Workqueue: netns cleanup_net
[   30.674989][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.675262][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.675807][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   30.676011][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c404e40 RCX: 1ff4000000092eed
[   30.676233][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c404efc
[   30.676452][   T68] RBP: ff11000009641000 R08: 1fe22000018809e1 R09: ff1100000915aed0
[   30.676679][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.676982][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.677203][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.677451][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.677726][   T68] CR2: 00007fb5e02d4000 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   30.677956][   T68] PKRU: 55555554
[   30.678094][   T68] Call Trace:
[   30.678226][   T68]  <TASK>
[   30.678332][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.678602][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.678792][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.679002][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.679169][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.679343][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.679512][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.679680][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.679929][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   30.680118][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.680290][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   30.680455][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.680629][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.680796][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.680973][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.681142][   T68]  process_one_work (kernel/workqueue.c:3314)
[   30.681312][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.681479][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.681657][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.681837][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.682003][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   30.682168][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.682402][   T68]  kthread (kernel/kthread.c:436)
[   30.682571][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.682768][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.682946][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.683115][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.683308][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.683474][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.683676][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.686513][   T68] ------------[ cut here ]------------
| [   30.686679][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   30.687190][   T68] Modules linked in: vxlan
| [   30.687770][   T68] Tainted: [W]=WARN
[   30.687964][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.688201][   T68] Workqueue: netns cleanup_net
[   30.688421][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.688676][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.689202][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   30.689441][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c404740 RCX: 1ff4000000092eed
[   30.689713][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4047fc
[   30.689994][   T68] RBP: ff1100000f69c000 R08: 1fe2200001880901 R09: ff1100000915aed0
[   30.690258][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.690531][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.690843][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.691136][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.691373][   T68] CR2: 00007fb5e02d4000 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   30.691660][   T68] PKRU: 55555554
[   30.691856][   T68] Call Trace:
[   30.692033][   T68]  <TASK>
[   30.692257][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.692508][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.692747][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.693042][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.693285][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.693493][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.693714][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.693940][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.694152][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   30.694388][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.694652][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   30.694937][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.695273][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.695613][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.695891][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.696224][   T68]  process_one_work (kernel/workqueue.c:3314)
[   30.696489][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.696838][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.697099][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.697326][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.697546][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   30.697761][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.697985][   T68]  kthread (kernel/kthread.c:436)
[   30.698166][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.698405][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.698626][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.698853][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.699094][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.699309][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.699555][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.720636][   T68] ------------[ cut here ]------------
| [   30.720781][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   30.721612][   T68] Modules linked in: vxlan
| [   30.722109][   T68] Tainted: [W]=WARN
[   30.722219][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.722438][   T68] Workqueue: netns cleanup_net
[   30.722594][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.722754][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.723199][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   30.723417][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c787540 RCX: 1ff4000000092eaf
[   30.723634][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7875fc
[   30.723816][   T68] RBP: ff11000008fb9000 R08: 1fe22000018f0ec1 R09: ff1100000915aed0
[   30.724015][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   30.724198][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   30.724463][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   30.724789][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.725025][   T68] CR2: 000055bc8594c120 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   30.725265][   T68] PKRU: 55555554
[   30.725360][   T68] Call Trace:
[   30.725453][   T68]  <TASK>
[   30.725524][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.725651][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.725784][   T68]  netif_close_many (net/core/dev.c:1804)
[   30.725967][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.726090][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.726212][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.726336][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   30.726459][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.726617][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   30.726771][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.726900][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.727023][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   30.727151][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.727374][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.727515][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.727638][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.727761][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.727889][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.728014][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.728138][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   30.728301][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.728483][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   30.728670][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.728883][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.729064][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.729192][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.729316][   T68]  process_one_work (kernel/workqueue.c:3314)
[   30.729484][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.729671][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.729873][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.730062][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.730236][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   30.730362][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.730512][   T68]  kthread (kernel/kthread.c:436)
[   30.730647][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.730882][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.731070][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.731250][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.731423][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.731554][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.731731][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.734811][   T68] ------------[ cut here ]------------
| [   30.735031][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   30.735283][   T68] Modules linked in: vxlan
| [   30.735849][   T68] Tainted: [W]=WARN
[   30.735985][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.736202][   T68] Workqueue: netns cleanup_net
[   30.736349][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.736576][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.737097][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   30.737250][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c787a80 RCX: 1ff4000000092ed5
[   30.737456][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c787b3c
[   30.737691][   T68] RBP: ff11000008fb9000 R08: 1fe22000018f0f69 R09: ff1100000915aed0
[   30.737958][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   30.738136][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.738324][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   30.738630][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.738792][   T68] CR2: 000055bc8594c120 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   30.739034][   T68] PKRU: 55555554
[   30.739123][   T68] Call Trace:
[   30.739211][   T68]  <TASK>
[   30.739274][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.739426][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.739580][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.739735][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.739936][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.740073][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.740240][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.740381][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.740508][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   30.740629][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.740750][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   30.740931][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.741064][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.741235][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.741371][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.741491][   T68]  process_one_work (kernel/workqueue.c:3314)
[   30.741619][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.741737][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.741910][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.742044][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.742211][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   30.742353][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.742471][   T68]  kthread (kernel/kthread.c:436)
[   30.742588][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.742738][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.742908][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.743048][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.743257][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.743377][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.743499][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.831686][  T989] ------------[ cut here ]------------
| [   30.832275][  T989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/989
| [   30.832569][  T989] Modules linked in: vxlan
| [   30.833096][  T989] Tainted: [W]=WARN
[   30.833246][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.833460][  T989] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.833685][  T989] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.834222][  T989] RSP: 0018:ffa0000002127a80 EFLAGS: 00010286
[   30.834439][  T989] RAX: 00000000ffffffa6 RBX: ff1100000290da80 RCX: 1ff4000000424f16
[   30.834694][  T989] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290db3c
[   30.834953][  T989] RBP: ff1100000a16c000 R08: 1fe2200000521b69 R09: ff1100000f04d180
[   30.835204][  T989] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.835450][  T989] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a16c000
[   30.835711][  T989] FS:  00007fa0fcd60840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.836006][  T989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.836223][  T989] CR2: 00007fa0fcf67430 CR3: 000000000e46f003 CR4: 0000000000771ef0
[   30.836476][  T989] PKRU: 55555554
[   30.836633][  T989] Call Trace:
[   30.836783][  T989]  <TASK>
[   30.836911][  T989]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.837094][  T989]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.837272][  T989]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.837421][  T989]  register_netdevice (net/core/dev.c:11488)
[   30.837613][  T989]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.837837][  T989]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.838016][  T989]  register_netdev (net/core/dev.c:11552)
[   30.838195][  T989]  loopback_net_init (drivers/net/loopback.c:218)
[   30.838378][  T989]  ops_init (net/core/net_namespace.c:137)
[   30.838533][  T989]  setup_net (net/core/net_namespace.c:446)
[   30.838680][  T989]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.838873][  T989]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.839053][  T989]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.839234][  T989]  copy_net_ns (net/core/net_namespace.c:579)
[   30.839416][  T989]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.839609][  T989]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.839791][  T989]  ksys_unshare (kernel/fork.c:3243)
[   30.839984][  T989]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.840167][  T989]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.840346][  T989]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.840537][  T989]  ? __ia32_sys_open (fs/open.c:1374)
[   30.840720][  T989]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.840906][  T989]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.841086][  T989]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.841265][  T989]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.841443][  T989]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.841635][  T989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.841858][  T989] RIP: 0033:0x7fa0fd022bcb
[   30.842043][  T989] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.842562][  T989] RSP: 002b:00007ffee6927608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.842811][  T989] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0fd022bcb
[   30.843065][  T989] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.843305][  T989] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.843554][  T989] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee6929830
[   30.843799][  T989] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee692a88c
| [   30.848523][  T989] ------------[ cut here ]------------
| [   30.848706][  T989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/989
| [   30.848993][  T989] Modules linked in: vxlan
| [   30.849479][  T989] Tainted: [W]=WARN
[   30.849633][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.849857][  T989] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.850074][  T989] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.850589][  T989] RSP: 0018:ffa0000002127918 EFLAGS: 00010286
[   30.850800][  T989] RAX: 00000000ffffffa6 RBX: ff1100000d0fba80 RCX: 1ff4000000424ee9
[   30.851057][  T989] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0fbb3c
[   30.851296][  T989] RBP: ff11000009239000 R08: 1fe2200001a1f769 R09: ff1100000f04d180
[   30.851543][  T989] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.851784][  T989] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009239000
[   30.852038][  T989] FS:  00007fa0fcd60840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.852311][  T989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.852526][  T989] CR2: 00007fa0fcf67430 CR3: 000000000e46f003 CR4: 0000000000771ef0
[   30.852769][  T989] PKRU: 55555554
[   30.852926][  T989] Call Trace:
[   30.853071][  T989]  <TASK>
[   30.853187][  T989]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.853366][  T989]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.853545][  T989]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.853693][  T989]  register_netdevice (net/core/dev.c:11488)
[   30.853887][  T989]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.854097][  T989]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.854277][  T989]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.854459][  T989]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.854644][  T989]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.854836][  T989]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.855019][  T989]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.855197][  T989]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   30.855376][  T989]  ops_init (net/core/net_namespace.c:137)
[   30.855532][  T989]  setup_net (net/core/net_namespace.c:446)
[   30.855681][  T989]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.855871][  T989]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.856050][  T989]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.856230][  T989]  copy_net_ns (net/core/net_namespace.c:579)
[   30.856409][  T989]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.856603][  T989]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.856780][  T989]  ksys_unshare (kernel/fork.c:3243)
[   30.856971][  T989]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.857151][  T989]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.857328][  T989]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.857515][  T989]  ? __ia32_sys_open (fs/open.c:1374)
[   30.857695][  T989]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.857886][  T989]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.858065][  T989]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.858241][  T989]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.858421][  T989]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.858609][  T989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.858832][  T989] RIP: 0033:0x7fa0fd022bcb
[   30.859017][  T989] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.859530][  T989] RSP: 002b:00007ffee6927608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.859777][  T989] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0fd022bcb
[   30.860032][  T989] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.860272][  T989] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.860521][  T989] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee6929830
[   30.860764][  T989] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee692a88c
| [   30.865105][  T989] ------------[ cut here ]------------
| [   30.865285][  T989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/989
| [   30.865572][  T989] Modules linked in: vxlan
| [   30.866078][  T989] Tainted: [W]=WARN
[   30.866223][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.866436][  T989] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.866662][  T989] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.867188][  T989] RSP: 0018:ffa00000021278f8 EFLAGS: 00010286
[   30.867400][  T989] RAX: 00000000ffffffa6 RBX: ff1100000da6e040 RCX: 1ff4000000424ee5
[   30.867652][  T989] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6e0fc
[   30.867904][  T989] RBP: ff1100000f0e9000 R08: 1fe2200001b4dc21 R09: ff1100000f04d180
[   30.868149][  T989] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.868388][  T989] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0e9000
[   30.868645][  T989] FS:  00007fa0fcd60840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.868938][  T989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.869152][  T989] CR2: 00007fa0fcf67430 CR3: 000000000e46f003 CR4: 0000000000771ef0
[   30.869395][  T989] PKRU: 55555554
[   30.869545][  T989] Call Trace:
[   30.869691][  T989]  <TASK>
[   30.869809][  T989]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.870004][  T989]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.870183][  T989]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.870332][  T989]  register_netdevice (net/core/dev.c:11488)
[   30.870519][  T989]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.870730][  T989]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.870925][  T989]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.871108][  T989]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.871286][  T989]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.871468][  T989]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.871656][  T989]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.871849][  T989]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   30.872029][  T989]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.872212][  T989]  vti_init_net (net/ipv4/ip_vti.c:517)
[   30.872391][  T989]  ops_init (net/core/net_namespace.c:137)
[   30.872547][  T989]  setup_net (net/core/net_namespace.c:446)
[   30.872696][  T989]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.872886][  T989]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.873067][  T989]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.873248][  T989]  copy_net_ns (net/core/net_namespace.c:579)
[   30.873430][  T989]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.873621][  T989]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.873805][  T989]  ksys_unshare (kernel/fork.c:3243)
[   30.873997][  T989]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.874178][  T989]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.874355][  T989]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.874544][  T989]  ? __ia32_sys_open (fs/open.c:1374)
[   30.874725][  T989]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.874918][  T989]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.875101][  T989]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.875281][  T989]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.875458][  T989]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.875647][  T989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.875872][  T989] RIP: 0033:0x7fa0fd022bcb
[   30.876059][  T989] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.876576][  T989] RSP: 002b:00007ffee6927608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.876834][  T989] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0fd022bcb
[   30.877075][  T989] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.877317][  T989] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.877567][  T989] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee6929830
[   30.877811][  T989] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee692a88c
| [   30.882404][  T989] ------------[ cut here ]------------
| [   30.882590][  T989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/989
| [   30.882871][  T989] Modules linked in: vxlan
| [   30.883365][  T989] Tainted: [W]=WARN
[   30.883517][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.883727][  T989] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.883955][  T989] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.884463][  T989] RSP: 0018:ffa0000002127a78 EFLAGS: 00010286
[   30.884676][  T989] RAX: 00000000ffffffa6 RBX: ff1100000da6f380 RCX: 1ff4000000424f15
[   30.884930][  T989] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6f43c
[   30.885172][  T989] RBP: ff11000004de1000 R08: 1fe2200001b4de89 R09: ff1100000f04d180
[   30.885413][  T989] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.885664][  T989] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004de1000
[   30.885920][  T989] FS:  00007fa0fcd60840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.886194][  T989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.886403][  T989] CR2: 00007fa0fcf67430 CR3: 000000000e46f003 CR4: 0000000000771ef0
[   30.886656][  T989] PKRU: 55555554
[   30.886800][  T989] Call Trace:
[   30.886958][  T989]  <TASK>
[   30.887072][  T989]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.887250][  T989]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.887428][  T989]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.887580][  T989]  register_netdevice (net/core/dev.c:11488)
[   30.887760][  T989]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.887984][  T989]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.888164][  T989]  register_netdev (net/core/dev.c:11552)
[   30.888342][  T989]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   30.888529][  T989]  ops_init (net/core/net_namespace.c:137)
[   30.888675][  T989]  setup_net (net/core/net_namespace.c:446)
[   30.888834][  T989]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.889010][  T989]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.889191][  T989]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.889371][  T989]  copy_net_ns (net/core/net_namespace.c:579)
[   30.889559][  T989]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.889742][  T989]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.889934][  T989]  ksys_unshare (kernel/fork.c:3243)
[   30.890111][  T989]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.890288][  T989]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.890467][  T989]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.890653][  T989]  ? __ia32_sys_open (fs/open.c:1374)
[   30.890842][  T989]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.891018][  T989]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.891193][  T989]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.891371][  T989]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.891558][  T989]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.891738][  T989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.891962][  T989] RIP: 0033:0x7fa0fd022bcb
[   30.892146][  T989] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.892659][  T989] RSP: 002b:00007ffee6927608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.892918][  T989] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0fd022bcb
[   30.893156][  T989] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.893397][  T989] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.893643][  T989] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee6929830
[   30.893897][  T989] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee692a88c
| [   30.898678][  T989] ------------[ cut here ]------------
| [   30.898862][  T989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/989
| [   30.899138][  T989] Modules linked in: vxlan
| [   30.899637][  T989] Tainted: [W]=WARN
[   30.899781][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.900004][  T989] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.900223][  T989] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.900739][  T989] RSP: 0018:ffa0000002127a68 EFLAGS: 00010286
[   30.900967][  T989] RAX: 00000000ffffffa6 RBX: ff1100000947b000 RCX: 1ff4000000424f13
[   30.901209][  T989] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947b0bc
[   30.901453][  T989] RBP: ff1100000924c000 R08: 1fe220000128f619 R09: ff1100000f04d180
[   30.901701][  T989] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.901956][  T989] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000924c000
[   30.902202][  T989] FS:  00007fa0fcd60840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   30.902482][  T989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.902701][  T989] CR2: 00007fa0fcf67430 CR3: 000000000e46f003 CR4: 0000000000771ef0
[   30.902959][  T989] PKRU: 55555554
[   30.903104][  T989] Call Trace:
[   30.903248][  T989]  <TASK>
[   30.903363][  T989]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.903553][  T989]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.903735][  T989]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.903894][  T989]  register_netdevice (net/core/dev.c:11488)
[   30.904075][  T989]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.904288][  T989]  register_netdev (net/core/dev.c:11552)
[   30.904468][  T989]  sit_init_net (net/ipv6/sit.c:1860)
[   30.904658][  T989]  ops_init (net/core/net_namespace.c:137)
[   30.904807][  T989]  setup_net (net/core/net_namespace.c:446)
[   30.904971][  T989]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.905148][  T989]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.905326][  T989]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.905513][  T989]  copy_net_ns (net/core/net_namespace.c:579)
[   30.905691][  T989]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.905885][  T989]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.906069][  T989]  ksys_unshare (kernel/fork.c:3243)
[   30.906249][  T989]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.906427][  T989]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.906612][  T989]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.906791][  T989]  ? __ia32_sys_open (fs/open.c:1374)
[   30.906987][  T989]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.907166][  T989]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.907346][  T989]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.907536][  T989]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.907717][  T989]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.907908][  T989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.908118][  T989] RIP: 0033:0x7fa0fd022bcb
[   30.908303][  T989] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.908837][  T989] RSP: 002b:00007ffee6927608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.909082][  T989] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0fd022bcb
[   30.909322][  T989] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.909571][  T989] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.909815][  T989] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee6929830
[   30.910071][  T989] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee692a88c
| [   30.925172][  T989] ------------[ cut here ]------------
| [   30.925365][  T989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/989
| [   30.925653][  T989] Modules linked in: vxlan
| [   30.926073][  T989] Tainted: [W]=WARN
[   30.926179][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.926421][  T989] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.926609][  T989] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.927099][  T989] RSP: 0018:ffa0000002127a78 EFLAGS: 00010286
[   30.927339][  T989] RAX: 00000000ffffffa6 RBX: ff1100000b3b6040 RCX: 1ff4000000424f15
[   30.927551][  T989] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b60fc
[   30.927747][  T989] RBP: ff1100000e509000 R08: 1fe2200001676c21 R09: ff1100000f04d180
[   30.927962][  T989] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.928244][  T989] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e509000
[   30.928486][  T989] FS:  00007fa0fcd60840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   30.928725][  T989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.928902][  T989] CR2: 00000000004a60e4 CR3: 000000000e46f001 CR4: 0000000000771ef0
[   30.929100][  T989] PKRU: 55555554
[   30.929199][  T989] Call Trace:
[   30.929301][  T989]  <TASK>
[   30.929398][  T989]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.929557][  T989]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.929690][  T989]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.929816][  T989]  register_netdevice (net/core/dev.c:11488)
[   30.930027][  T989]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.930271][  T989]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.930480][  T989]  register_netdev (net/core/dev.c:11552)
[   30.930679][  T989]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   30.930854][  T989]  ops_init (net/core/net_namespace.c:137)
[   30.931003][  T989]  setup_net (net/core/net_namespace.c:446)
[   30.931126][  T989]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.931258][  T989]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.931390][  T989]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.931531][  T989]  copy_net_ns (net/core/net_namespace.c:579)
[   30.931667][  T989]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.931803][  T989]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.931945][  T989]  ksys_unshare (kernel/fork.c:3243)
[   30.932079][  T989]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.932211][  T989]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.932343][  T989]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.932479][  T989]  ? __ia32_sys_open (fs/open.c:1374)
[   30.932620][  T989]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.932751][  T989]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.932891][  T989]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.933027][  T989]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.933161][  T989]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.933293][  T989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.933456][  T989] RIP: 0033:0x7fa0fd022bcb
[   30.933599][  T989] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.934077][  T989] RSP: 002b:00007ffee6927608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.934278][  T989] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0fd022bcb
[   30.934475][  T989] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.934681][  T989] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.934883][  T989] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee6929830
[   30.935079][  T989] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee692a88c
| [   30.968346][  T990] ------------[ cut here ]------------
| [   30.968495][  T990] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/990
| [   30.968731][  T990] Modules linked in: vxlan
| [   30.969142][  T990] Tainted: [W]=WARN
[   30.969240][  T990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.969409][  T990] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.969586][  T990] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.970053][  T990] RSP: 0018:ffa0000002217020 EFLAGS: 00010286
[   30.970220][  T990] RAX: 00000000ffffffa6 RBX: ff1100000b3b71c0 RCX: 1ff4000000442dca
[   30.970414][  T990] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b727c
[   30.970616][  T990] RBP: ff1100000a16c000 R08: 1fe2200001676e51 R09: ff110000096eae58
[   30.970810][  T990] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   30.971014][  T990] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.971213][  T990] FS:  00007f2c2e56a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   30.971439][  T990] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.971606][  T990] CR2: 000000002d23a988 CR3: 000000000fe54003 CR4: 0000000000771ef0
[   30.971802][  T990] PKRU: 55555554
[   30.971909][  T990] Call Trace:
[   30.972009][  T990]  <TASK>
[   30.972079][  T990]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.972213][  T990]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.972312][  T990]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.972443][  T990]  __dev_notify_flags (net/core/dev.c:9787)
[   30.972579][  T990]  ? netif_change_name (net/core/dev.c:1495)
[   30.972710][  T990]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.972904][  T990]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.973034][  T990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.973254][  T990]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   30.973389][  T990]  netif_change_flags (net/core/dev.c:9820)
[   30.973526][  T990]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.973656][  T990]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.973788][  T990]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.973997][  T990]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.974162][  T990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.974291][  T990]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.974419][  T990]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.974552][  T990]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.974683][  T990]  ? __kernel_text_address (kernel/extable.c:79)
[   30.974812][  T990]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.975031][  T990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.975164][  T990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.975294][  T990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.975423][  T990]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.975557][  T990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.975687][  T990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.975817][  T990]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.976040][  T990]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   30.976172][  T990]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.976302][  T990]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.976436][  T990]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.976575][  T990]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.976709][  T990]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.976929][  T990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.977060][  T990]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.977191][  T990]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.977321][  T990]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.977451][  T990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.977591][  T990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.977718][  T990]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.977890][  T990]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.978022][  T990]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.978153][  T990]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.978283][  T990]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.978414][  T990]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.978550][  T990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.978681][  T990]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.978814][  T990]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.978950][  T990]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.979083][  T990]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.979214][  T990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.979344][  T990]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.979477][  T990]  ? 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))
[   30.979616][  T990]  ? 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))
[   30.979748][  T990]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.979885][  T990]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.980016][  T990]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.980148][  T990]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.980279][  T990]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.980414][  T990]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.980555][  T990]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.980686][  T990]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.980816][  T990]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.980985][  T990]  ? move_addr_to_kernel (net/socket.c:258)
[   30.981118][  T990]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.981249][  T990]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.981382][  T990]  ___sys_sendmsg (net/socket.c:2752)
[   30.981515][  T990]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.981677][  T990]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.981827][  T990]  __sys_sendmsg (net/socket.c:2784)
[   30.981958][  T990]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.982089][  T990]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.982256][  T990]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.982387][  T990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.982523][  T990]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.982653][  T990]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.982781][  T990]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.982918][  T990]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.983081][  T990] RIP: 0033:0x7f2c2e7a408e
[   30.983216][  T990] 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
[   30.983686][  T990] RSP: 002b:00007ffcef9efa10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.983887][  T990] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2c2e7a408e
[   30.984082][  T990] RDX: 0000000000000000 RSI: 00007ffcef9efac0 RDI: 0000000000000005
[   30.984278][  T990] RBP: 00007ffcef9efa20 R08: 0000000000000000 R09: 0000000000000000
[   30.984473][  T990] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8be
[   30.984669][  T990] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcef9f0190
| [   31.089416][  T993] ------------[ cut here ]------------
| [   31.089585][  T993] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/993
| [   31.089838][  T993] Modules linked in: vxlan
| [   31.090279][  T993] Tainted: [W]=WARN
[   31.090386][  T993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.090569][  T993] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.090751][  T993] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.091252][  T993] RSP: 0018:ffa0000002246fd0 EFLAGS: 00010286
[   31.091429][  T993] RAX: 00000000ffffffa6 RBX: ff1100000c32d540 RCX: 1ff4000000448dc0
[   31.091647][  T993] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32d5fc
[   31.091862][  T993] RBP: ff1100000f49a000 R08: 1fe2200001865ac1 R09: ff1100000ff98b80
[   31.092070][  T993] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   31.092277][  T993] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f49ae44
[   31.092488][  T993] FS:  00007f524771f840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   31.092739][  T993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.092921][  T993] CR2: 00007f5247918460 CR3: 000000000e792002 CR4: 0000000000771ef0
[   31.093134][  T993] PKRU: 55555554
[   31.093239][  T993] Call Trace:
[   31.093345][  T993]  <TASK>
[   31.093420][  T993]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.093566][  T993]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   31.093710][  T993]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.093815][  T993]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   31.094598][  T993]  __dev_notify_flags (net/core/dev.c:9787)
[   31.094740][  T993]  ? notifier_call_chain (kernel/notifier.c:85)
[   31.094886][  T993]  ? netif_change_name (net/core/dev.c:1495)
[   31.095031][  T993]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   31.095174][  T993]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.095316][  T993] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   31.095460][  T993]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   31.095610][  T993] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   31.095752][  T993]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   31.095905][  T993]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   31.096044][  T993]  ? nla_strscpy (lib/nlattr.c:795)
[   31.096185][  T993]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   31.096327][  T993]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.096468][  T993]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.096614][  T993]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.096759][  T993]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.096908][  T993]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.097054][  T993]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.097193][  T993]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.097331][  T993]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.097470][  T993]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.097613][  T993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.097757][  T993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.097905][  T993]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.098046][  T993]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.098185][  T993]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.098323][  T993]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.098461][  T993]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.098606][  T993]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.098743][  T993]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.098888][  T993]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.099030][  T993]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.099171][  T993]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.099315][  T993]  ? 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))
[   31.099454][  T993]  ? 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))
[   31.099600][  T993]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.099740][  T993]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.099885][  T993]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.100027][  T993]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.100169][  T993]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.100310][  T993]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.100452][  T993]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.100597][  T993]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.100736][  T993]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.100916][  T993]  ? move_addr_to_kernel (net/socket.c:258)
[   31.101062][  T993]  ___sys_sendmsg (net/socket.c:2752)
[   31.101202][  T993]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.101342][  T993]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.101492][  T993]  ? 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))
[   31.101640][  T993]  __sys_sendmsg (net/socket.c:2784)
[   31.101780][  T993]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.101931][  T993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.102071][  T993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.102212][  T993]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.102351][  T993]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.102490][  T993]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.102638][  T993]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.102809][  T993] RIP: 0033:0x7f524795908e
[   31.102961][  T993] 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
[   31.103462][  T993] RSP: 002b:00007ffcc193da50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.103676][  T993] RAX: ffffffffffffffda RBX: 00007ffcc193e200 RCX: 00007f524795908e
[   31.103891][  T993] RDX: 0000000000000000 RSI: 00007ffcc193db00 RDI: 0000000000000005
[   31.104099][  T993] RBP: 00007ffcc193da60 R08: 0000000000000000 R09: 0000000000000000
[   31.104309][  T993] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8be
[   31.104522][  T993] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc193e1d0
| [   31.138616][  T994] ------------[ cut here ]------------
| [   31.138806][  T994] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/994
| [   31.139725][  T994] Modules linked in: vxlan
| [   31.140266][  T994] Tainted: [W]=WARN
[   31.140418][  T994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.140647][  T994] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.140888][  T994] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.141428][  T994] RSP: 0018:ffa0000002256fd0 EFLAGS: 00010286
[   31.141659][  T994] RAX: 00000000ffffffa6 RBX: ff1100000a232740 RCX: 1ff400000044adc0
[   31.141926][  T994] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2327fc
[   31.142179][  T994] RBP: ff1100000598a000 R08: 1fe2200001446501 R09: ff1100000ff9d180
[   31.142432][  T994] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   31.142696][  T994] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000598ae44
[   31.142963][  T994] FS:  00007f660b91c840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   31.143251][  T994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.143472][  T994] CR2: 0000000000437490 CR3: 0000000004eff005 CR4: 0000000000771ef0
[   31.143740][  T994] PKRU: 55555554
[   31.143903][  T994] Call Trace:
[   31.144056][  T994]  <TASK>
[   31.144175][  T994]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.144363][  T994]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   31.144563][  T994]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.144719][  T994]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   31.144923][  T994]  __dev_notify_flags (net/core/dev.c:9787)
[   31.145114][  T994]  ? notifier_call_chain (kernel/notifier.c:85)
[   31.145300][  T994]  ? netif_change_name (net/core/dev.c:1495)
[   31.145488][  T994]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   31.145687][  T994]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.145893][  T994] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   31.146087][  T994]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   31.146283][  T994] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   31.146473][  T994]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   31.146675][  T994]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   31.146874][  T994]  ? nla_strscpy (lib/nlattr.c:795)
[   31.147064][  T994]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   31.147253][  T994]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.147440][  T994]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.147642][  T994]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.147849][  T994]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.148042][  T994]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.148231][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.148415][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.148614][  T994]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.148800][  T994]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.148999][  T994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.149194][  T994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.149381][  T994]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.149578][  T994]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.149765][  T994]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.149966][  T994]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.150153][  T994]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.150343][  T994]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.150535][  T994]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.150727][  T994]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.150930][  T994]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.151119][  T994]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.151310][  T994]  ? 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))
[   31.151503][  T994]  ? 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))
[   31.151692][  T994]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.151894][  T994]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.152086][  T994]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.152274][  T994]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.152462][  T994]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.152655][  T994]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.152856][  T994]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.153046][  T994]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.153231][  T994]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.153452][  T994]  ? move_addr_to_kernel (net/socket.c:258)
[   31.153655][  T994]  ___sys_sendmsg (net/socket.c:2752)
[   31.153854][  T994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.154043][  T994]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.154240][  T994]  ? 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))
[   31.154429][  T994]  __sys_sendmsg (net/socket.c:2784)
[   31.154628][  T994]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.154836][  T994]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.155027][  T994]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.155216][  T994]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.155402][  T994]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.155598][  T994]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.155788][  T994]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.156020][  T994] RIP: 0033:0x7f660bb5608e
[   31.156213][  T994] 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
[   31.156762][  T994] RSP: 002b:00007ffd9d487e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.157033][  T994] RAX: ffffffffffffffda RBX: 00007ffd9d488630 RCX: 00007f660bb5608e
[   31.157289][  T994] RDX: 0000000000000000 RSI: 00007ffd9d487f30 RDI: 0000000000000005
[   31.157559][  T994] RBP: 00007ffd9d487e90 R08: 0000000000000000 R09: 0000000000000000
[   31.157816][  T994] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8be
[   31.158084][  T994] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9d488600
| [   31.199979][  T995] ------------[ cut here ]------------
| [   31.200129][  T995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/995
| [   31.200360][  T995] Modules linked in: vxlan
| [   31.200771][  T995] Tainted: [W]=WARN
[   31.200878][  T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.201046][  T995] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.201219][  T995] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.201695][  T995] RSP: 0018:ffa00000022671b0 EFLAGS: 00010286
[   31.201869][  T995] RAX: 00000000ffffffa6 RBX: ff1100000fefb1c0 RCX: 1ff400000044cdfc
[   31.202070][  T995] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefb27c
[   31.202269][  T995] RBP: ff1100000f41a000 R08: 1fe2200001fdf651 R09: ff1100000aa62e80
[   31.202468][  T995] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   31.202674][  T995] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   31.202879][  T995] FS:  00007faf56ce2840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   31.203113][  T995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.203282][  T995] CR2: 00007faf56edb460 CR3: 000000000c8e3002 CR4: 0000000000771ef0
[   31.203481][  T995] PKRU: 55555554
[   31.203585][  T995] Call Trace:
[   31.203684][  T995]  <TASK>
[   31.203753][  T995]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.203894][  T995]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.203996][  T995]  __dev_notify_flags (net/core/dev.c:9787)
[   31.204131][  T995]  ? netif_change_name (net/core/dev.c:1495)
[   31.204268][  T995]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   31.204433][  T995]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   31.204576][  T995]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.204713][  T995]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   31.204853][  T995]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   31.204988][  T995]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.205123][  T995]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.205256][  T995]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.205395][  T995]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.205539][  T995]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.205674][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.205809][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.205946][  T995]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.206079][  T995]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.206210][  T995]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.206347][  T995]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.206480][  T995]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.206618][  T995]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.206752][  T995]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.206891][  T995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.207025][  T995]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.207160][  T995]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.207292][  T995]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.207426][  T995]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.207562][  T995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.207696][  T995]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.207838][  T995]  ? 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))
[   31.207973][  T995]  ? 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))
[   31.208107][  T995]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.208241][  T995]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.208374][  T995]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.208513][  T995]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.208647][  T995]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.208782][  T995]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.208923][  T995]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.209059][  T995]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.209192][  T995]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.209356][  T995]  ? move_addr_to_kernel (net/socket.c:258)
[   31.209494][  T995]  ___sys_sendmsg (net/socket.c:2752)
[   31.209630][  T995]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.209762][  T995]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.209909][  T995]  ? 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))
[   31.210044][  T995]  __sys_sendmsg (net/socket.c:2784)
[   31.210177][  T995]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.210316][  T995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.210447][  T995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.210585][  T995]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.210718][  T995]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.210856][  T995]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.210990][  T995]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.211157][  T995] RIP: 0033:0x7faf56f1c08e
[   31.211297][  T995] 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
[   31.211773][  T995] RSP: 002b:00007ffe243dd830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.211981][  T995] RAX: ffffffffffffffda RBX: 00007ffe243ddfd8 RCX: 00007faf56f1c08e
[   31.212179][  T995] RDX: 0000000000000000 RSI: 00007ffe243dd8e0 RDI: 0000000000000005
[   31.212377][  T995] RBP: 00007ffe243dd840 R08: 0000000000000000 R09: 0000000000000000
[   31.212580][  T995] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8be
[   31.212777][  T995] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe243ddfb0
| [   31.239556][  T996] ------------[ cut here ]------------
| [   31.239705][  T996] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/996
| [   31.239943][  T996] Modules linked in: vxlan
| [   31.240352][  T996] Tainted: [W]=WARN
[   31.240452][  T996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.240623][  T996] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.240797][  T996] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.241272][  T996] RSP: 0018:ffa00000022671b0 EFLAGS: 00010286
[   31.241441][  T996] RAX: 00000000ffffffa6 RBX: ff1100000cb82580 RCX: 1ff400000044cdfc
[   31.241645][  T996] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb8263c
[   31.241848][  T996] RBP: ff1100000fbd2000 R08: 1fe22000019704c9 R09: ff1100000aa65180
[   31.242048][  T996] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   31.242245][  T996] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   31.242443][  T996] FS:  00007fbafb591840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   31.242680][  T996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.242853][  T996] CR2: 00007fbafb78a460 CR3: 0000000011c7d004 CR4: 0000000000771ef0
[   31.243052][  T996] PKRU: 55555554
[   31.243151][  T996] Call Trace:
[   31.243251][  T996]  <TASK>
[   31.243319][  T996]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.243454][  T996]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.243564][  T996]  __dev_notify_flags (net/core/dev.c:9787)
[   31.243701][  T996]  ? netif_change_name (net/core/dev.c:1495)
[   31.243840][  T996]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   31.244006][  T996]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   31.244140][  T996]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   31.244274][  T996]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   31.244409][  T996]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   31.244549][  T996]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   31.244684][  T996]  ? __dev_get_by_name (net/core/dev.c:883)
[   31.244817][  T996]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   31.244961][  T996]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   31.245098][  T996]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.245233][  T996]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.245365][  T996]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.245501][  T996]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.245635][  T996]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.245768][  T996]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.245910][  T996]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.246044][  T996]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.246177][  T996]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.246311][  T996]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.246443][  T996]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.246581][  T996]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.246717][  T996]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.246857][  T996]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.246991][  T996]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.247125][  T996]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.247258][  T996]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.247395][  T996]  ? 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))
[   31.247532][  T996]  ? 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))
[   31.247669][  T996]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.247805][  T996]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.247945][  T996]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.248079][  T996]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.248213][  T996]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.248349][  T996]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.248485][  T996]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.248623][  T996]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.248757][  T996]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.248930][  T996]  ? move_addr_to_kernel (net/socket.c:258)
[   31.249068][  T996]  ___sys_sendmsg (net/socket.c:2752)
[   31.249201][  T996]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.249335][  T996]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.249479][  T996]  ? 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))
[   31.249619][  T996]  __sys_sendmsg (net/socket.c:2784)
[   31.249753][  T996]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.249896][  T996]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.250031][  T996]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.250165][  T996]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.250299][  T996]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.250433][  T996]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.250571][  T996]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.250736][  T996] RIP: 0033:0x7fbafb7cb08e
[   31.250884][  T996] 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
[   31.251358][  T996] RSP: 002b:00007ffe30384350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.251563][  T996] RAX: ffffffffffffffda RBX: 00007ffe30384af8 RCX: 00007fbafb7cb08e
[   31.251763][  T996] RDX: 0000000000000000 RSI: 00007ffe30384400 RDI: 0000000000000005
[   31.251965][  T996] RBP: 00007ffe30384360 R08: 0000000000000000 R09: 0000000000000000
[   31.252164][  T996] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8be
[   31.252363][  T996] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe30384ad0
| [   31.742629][ T1025] ------------[ cut here ]------------
| [   31.742786][ T1025] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1025
| [   31.743046][ T1025] Modules linked in: vxlan
| [   31.743439][ T1025] Tainted: [W]=WARN
[   31.743539][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.743694][ T1025] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.743861][ T1025] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.744305][ T1025] RSP: 0018:ffa0000002347190 EFLAGS: 00010286
[   31.744462][ T1025] RAX: 00000000ffffffa6 RBX: ff11000008e54e40 RCX: 1ff4000000468df8
[   31.744651][ T1025] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e54efc
[   31.744840][ T1025] RBP: ff1100000fbd2000 R08: 1fe22000011ca9e1 R09: ff11000011f7ae58
[   31.745025][ T1025] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   31.745207][ T1025] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   31.745392][ T1025] FS:  00007f0d78ad4840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   31.745616][ T1025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.745772][ T1025] CR2: 0000000004d8a988 CR3: 000000000e443001 CR4: 0000000000771ef0
[   31.745972][ T1025] PKRU: 55555554
[   31.746065][ T1025] Call Trace:
[   31.746157][ T1025]  <TASK>
[   31.746221][ T1025]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   31.746381][ T1025]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   31.746540][ T1025]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   31.746665][ T1025]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   31.746788][ T1025]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   31.746949][ T1025]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   31.747074][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.747196][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.747320][ T1025]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.747444][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.747571][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.747713][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.747843][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.747966][ T1025]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.748094][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.748218][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.748341][ T1025]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   31.748468][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.748596][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.748720][ T1025]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.748849][ T1025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.748974][ T1025]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.749097][ T1025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.749221][ T1025]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.749343][ T1025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.749466][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.749596][ T1025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.749719][ T1025]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.749902][ T1025]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.750029][ T1025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.750154][ T1025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.750282][ T1025]  ? 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))
[   31.750405][ T1025]  ? 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))
[   31.750539][ T1025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.750667][ T1025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.750791][ T1025]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.750967][ T1025]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.751093][ T1025]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.751218][ T1025]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.751344][ T1025]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.751470][ T1025]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.751599][ T1025]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.751751][ T1025]  ? move_addr_to_kernel (net/socket.c:258)
[   31.751926][ T1025]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.752056][ T1025]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.752181][ T1025]  ___sys_sendmsg (net/socket.c:2752)
[   31.752304][ T1025]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.752460][ T1025]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.752603][ T1025]  __sys_sendmsg (net/socket.c:2784)
[   31.752727][ T1025]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.752904][ T1025]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.753062][ T1025]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.753187][ T1025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.753311][ T1025]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.753438][ T1025]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.753569][ T1025]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.753694][ T1025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.753896][ T1025] RIP: 0033:0x7f0d78d0e08e
[   31.754031][ T1025] 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
[   31.754473][ T1025] RSP: 002b:00007ffe447b0f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.754670][ T1025] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0d78d0e08e
[   31.754859][ T1025] RDX: 0000000000000000 RSI: 00007ffe447b0fe0 RDI: 0000000000000005
[   31.755044][ T1025] RBP: 00007ffe447b0f40 R08: 0000000000000000 R09: 0000000000000000
[   31.755229][ T1025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8be
[   31.755413][ T1025] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe447b16b0
| [   31.799936][ T1026] ------------[ cut here ]------------
| [   31.800089][ T1026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1026
| [   31.800344][ T1026] Modules linked in: vxlan
| [   31.800734][ T1026] Tainted: [W]=WARN
[   31.800836][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.800993][ T1026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.801157][ T1026] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.801610][ T1026] RSP: 0018:ffa0000002357190 EFLAGS: 00010286
[   31.801770][ T1026] RAX: 00000000ffffffa6 RBX: ff1100000a233700 RCX: 1ff400000046adf8
[   31.801965][ T1026] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2337bc
[   31.802155][ T1026] RBP: ff1100000f41a000 R08: 1fe22000014466f9 R09: ff11000011f7d158
[   31.802341][ T1026] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   31.802532][ T1026] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   31.802719][ T1026] FS:  00007fdb91676840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   31.802943][ T1026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.803100][ T1026] CR2: 0000000007e62988 CR3: 000000000fcd7005 CR4: 0000000000771ef0
[   31.803288][ T1026] PKRU: 55555554
[   31.803382][ T1026] Call Trace:
[   31.803475][ T1026]  <TASK>
[   31.803545][ T1026]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   31.803705][ T1026]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   31.803864][ T1026]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   31.803990][ T1026]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   31.804115][ T1026]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   31.804274][ T1026]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   31.804402][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.804530][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.804653][ T1026]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.804777][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.804992][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.805208][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.805333][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.805457][ T1026]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.805584][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.805707][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.805910][ T1026]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   31.806037][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.806161][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.806283][ T1026]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.806409][ T1026]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.806539][ T1026]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.806664][ T1026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.806789][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.806985][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.807111][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.807238][ T1026]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.807361][ T1026]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.807487][ T1026]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.807618][ T1026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.807741][ T1026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.807928][ T1026]  ? 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))
[   31.808054][ T1026]  ? 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))
[   31.808180][ T1026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.808306][ T1026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.808430][ T1026]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.808562][ T1026]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.808690][ T1026]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.808816][ T1026]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.809005][ T1026]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.809130][ T1026]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.809253][ T1026]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.809407][ T1026]  ? move_addr_to_kernel (net/socket.c:258)
[   31.809539][ T1026]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.809670][ T1026]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.809796][ T1026]  ___sys_sendmsg (net/socket.c:2752)
[   31.809972][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.810128][ T1026]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.810266][ T1026]  __sys_sendmsg (net/socket.c:2784)
[   31.810390][ T1026]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.810521][ T1026]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.810677][ T1026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.810801][ T1026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.810981][ T1026]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.811106][ T1026]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.811231][ T1026]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.811354][ T1026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.811516][ T1026] RIP: 0033:0x7fdb918b008e
[   31.811647][ T1026] 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
[   31.812169][ T1026] RSP: 002b:00007fff50060be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.812359][ T1026] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdb918b008e
[   31.812551][ T1026] RDX: 0000000000000000 RSI: 00007fff50060c90 RDI: 0000000000000005
[   31.812741][ T1026] RBP: 00007fff50060bf0 R08: 0000000000000000 R09: 0000000000000000
[   31.812940][ T1026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bf
[   31.813127][ T1026] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff50061360
| [   31.851580][ T1027] ------------[ cut here ]------------
| [   31.851736][ T1027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1027
| [   31.851995][ T1027] Modules linked in: vxlan
| [   31.852381][ T1027] Tainted: [W]=WARN
[   31.852475][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.852636][ T1027] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.852799][ T1027] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.853245][ T1027] RSP: 0018:ffa0000002347190 EFLAGS: 00010286
[   31.853400][ T1027] RAX: 00000000ffffffa6 RBX: ff1100000ceb1e00 RCX: 1ff4000000468df8
[   31.853586][ T1027] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceb1ebc
[   31.853770][ T1027] RBP: ff1100000598a000 R08: 1fe22000019d63d9 R09: ff1100000917ae58
[   31.853959][ T1027] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   31.854141][ T1027] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   31.854327][ T1027] FS:  00007fc9a454a840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   31.854549][ T1027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.854706][ T1027] CR2: 000000003ac34988 CR3: 00000000096d6004 CR4: 0000000000771ef0
[   31.854897][ T1027] PKRU: 55555554
[   31.854989][ T1027] Call Trace:
[   31.855083][ T1027]  <TASK>
[   31.855148][ T1027]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   31.855308][ T1027]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   31.855464][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.855597][ T1027]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   31.855720][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.855850][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.855973][ T1027]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.856099][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.856224][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.856369][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.856496][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.856630][ T1027]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.856757][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.856889][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.857016][ T1027]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   31.857145][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.857272][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.857399][ T1027]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.857530][ T1027]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.857660][ T1027]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.857788][ T1027]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.858296][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.858424][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.858557][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.858686][ T1027]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.858813][ T1027]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.858947][ T1027]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.859082][ T1027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.859211][ T1027]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.859342][ T1027]  ? 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))
[   31.859469][ T1027]  ? 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))
[   31.859603][ T1027]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.859732][ T1027]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.859866][ T1027]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.859994][ T1027]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.860124][ T1027]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.860253][ T1027]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.860383][ T1027]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.860515][ T1027]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.860644][ T1027]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.860803][ T1027]  ? move_addr_to_kernel (net/socket.c:258)
[   31.860935][ T1027]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.861063][ T1027]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.861189][ T1027]  ___sys_sendmsg (net/socket.c:2752)
[   31.861313][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.861466][ T1027]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.861608][ T1027]  __sys_sendmsg (net/socket.c:2784)
[   31.861733][ T1027]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.861863][ T1027]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.862021][ T1027]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.862146][ T1027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.862273][ T1027]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.862399][ T1027]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.862529][ T1027]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.862654][ T1027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.862809][ T1027] RIP: 0033:0x7fc9a478408e
[   31.862944][ T1027] 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
[   31.863386][ T1027] RSP: 002b:00007ffebe974470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.863581][ T1027] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc9a478408e
[   31.863769][ T1027] RDX: 0000000000000000 RSI: 00007ffebe974520 RDI: 0000000000000005
[   31.863965][ T1027] RBP: 00007ffebe974480 R08: 0000000000000000 R09: 0000000000000000
[   31.864153][ T1027] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bf
[   31.864342][ T1027] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebe974bf0
| [   31.912850][ T1028] ------------[ cut here ]------------
| [   31.913003][ T1028] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1028
| [   31.913253][ T1028] Modules linked in: vxlan
| [   31.913651][ T1028] Tainted: [W]=WARN
[   31.913749][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.913924][ T1028] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.914091][ T1028] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.914558][ T1028] RSP: 0018:ffa0000002347190 EFLAGS: 00010286
[   31.914721][ T1028] RAX: 00000000ffffffa6 RBX: ff110000095ae040 RCX: 1ff4000000468df8
[   31.914920][ T1028] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095ae0fc
[   31.915111][ T1028] RBP: ff1100000f49a000 R08: 1fe22000012b5c21 R09: ff11000004cc0b58
[   31.915299][ T1028] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   31.915488][ T1028] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   31.915683][ T1028] FS:  00007fdc8fcb1840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   31.915914][ T1028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.916076][ T1028] CR2: 00007fdc8ff811a0 CR3: 0000000002867002 CR4: 0000000000771ef0
[   31.916270][ T1028] PKRU: 55555554
[   31.916367][ T1028] Call Trace:
[   31.916463][ T1028]  <TASK>
[   31.916535][ T1028]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   31.916698][ T1028]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   31.916868][ T1028]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.916999][ T1028]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   31.917129][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.917255][ T1028]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.917383][ T1028]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.917515][ T1028]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.917643][ T1028]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.917788][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.917922][ T1028]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.918050][ T1028]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.918177][ T1028]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.918303][ T1028]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.918432][ T1028]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   31.918567][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.918690][ T1028]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.918815][ T1028]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.918947][ T1028]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.919074][ T1028]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   31.919198][ T1028]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.919322][ T1028]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.919444][ T1028]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.919571][ T1028]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.919701][ T1028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.919829][ T1028]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.919954][ T1028]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.920081][ T1028]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.920206][ T1028]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.920333][ T1028]  ? 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))
[   31.920456][ T1028]  ? 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))
[   31.920586][ T1028]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.920713][ T1028]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.920906][ T1028]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.921032][ T1028]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.921156][ T1028]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.921281][ T1028]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.921408][ T1028]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.921538][ T1028]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.921660][ T1028]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.921817][ T1028]  ? move_addr_to_kernel (net/socket.c:258)
[   31.922105][ T1028]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.922231][ T1028]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.922358][ T1028]  ___sys_sendmsg (net/socket.c:2752)
[   31.922482][ T1028]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.922643][ T1028]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.922781][ T1028]  __sys_sendmsg (net/socket.c:2784)
[   31.922927][ T1028]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.923051][ T1028]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.923208][ T1028]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.923332][ T1028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.923457][ T1028]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.923588][ T1028]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.923712][ T1028]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.923842][ T1028]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.923995][ T1028] RIP: 0033:0x7fdc8feeb08e
[   31.924126][ T1028] 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
[   31.924581][ T1028] RSP: 002b:00007fffc0c6e490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.924774][ T1028] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdc8feeb08e
[   31.924970][ T1028] RDX: 0000000000000000 RSI: 00007fffc0c6e540 RDI: 0000000000000005
[   31.925161][ T1028] RBP: 00007fffc0c6e4a0 R08: 0000000000000000 R09: 0000000000000000
[   31.925351][ T1028] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bf
[   31.925543][ T1028] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc0c6ec10
| [   32.014288][   T68] ------------[ cut here ]------------
| [   32.014447][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   32.014698][   T68] Modules linked in: vxlan
| [   32.015116][   T68] Tainted: [W]=WARN
[   32.015210][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.015365][   T68] Workqueue: netns cleanup_net
[   32.015493][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.015657][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.016102][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   32.016255][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14fa80 RCX: 1ff4000000092eed
[   32.016446][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14fb3c
[   32.016628][   T68] RBP: ff1100000e509000 R08: 1fe2200001a29f69 R09: ff1100000915aed0
[   32.016810][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.016995][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.017174][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   32.017380][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.017541][   T68] CR2: 00007fafa9be0574 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   32.017720][   T68] PKRU: 55555554
[   32.017810][   T68] Call Trace:
[   32.017906][   T68]  <TASK>
[   32.017969][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.018126][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.018274][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.018394][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.018527][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.018646][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.018764][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.018935][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.019058][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   32.019173][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.019293][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   32.019410][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.019536][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.019657][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.019772][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.019977][   T68]  process_one_work (kernel/workqueue.c:3314)
[   32.020100][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.020218][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.020341][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.020463][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.020584][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   32.020705][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.020888][   T68]  kthread (kernel/kthread.c:436)
[   32.020978][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.021179][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.021302][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.021421][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.021573][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.021691][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.021809][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.025236][   T68] ------------[ cut here ]------------
| [   32.025409][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   32.025702][   T68] Modules linked in: vxlan
| [   32.026216][   T68] Tainted: [W]=WARN
[   32.026354][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.026571][   T68] Workqueue: netns cleanup_net
[   32.026750][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.026988][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.027457][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   32.027664][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14e3c0 RCX: 1ff4000000092eed
[   32.027899][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14e47c
[   32.028122][   T68] RBP: ff1100000924c000 R08: 1fe2200001a29c91 R09: ff1100000915aed0
[   32.028346][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.028575][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.028799][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   32.029066][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.029260][   T68] CR2: 000055bc8594c2f8 CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   32.029487][   T68] PKRU: 55555554
[   32.029631][   T68] Call Trace:
[   32.029765][   T68]  <TASK>
[   32.029888][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.030093][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.030285][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.030484][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.030670][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.030848][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.031016][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.031182][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.031351][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   32.031521][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.031693][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   32.031873][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.032040][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.032207][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.032372][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.032549][   T68]  process_one_work (kernel/workqueue.c:3314)
[   32.032721][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.032899][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.033071][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.033241][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.033419][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   32.033598][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.033763][   T68]  kthread (kernel/kthread.c:436)
[   32.033913][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.034108][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.034273][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.034443][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.034652][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.034835][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.035001][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.037700][   T68] ------------[ cut here ]------------
| [   32.037954][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   32.038234][   T68] Modules linked in: vxlan
| [   32.038724][   T68] Tainted: [W]=WARN
[   32.038870][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.039074][   T68] Workqueue: netns cleanup_net
[   32.039274][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.039550][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.040059][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   32.040256][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14f000 RCX: 1ff4000000092eed
[   32.040482][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14f0bc
[   32.040718][   T68] RBP: ff11000004de1000 R08: 1fe2200001a29e19 R09: ff1100000915aed0
[   32.040966][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.041196][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.041426][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   32.041691][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.041903][   T68] CR2: 000055bc8594c2f8 CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   32.042142][   T68] PKRU: 55555554
[   32.042281][   T68] Call Trace:
[   32.042420][   T68]  <TASK>
[   32.042539][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.042747][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.042960][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.043131][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.043300][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.043465][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.043638][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.043810][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.043991][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   32.044158][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.044327][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   32.044494][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.044673][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.044936][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.045187][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.045406][   T68]  process_one_work (kernel/workqueue.c:3314)
[   32.045629][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.045857][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.046073][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.046289][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.046540][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   32.046767][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.046999][   T68]  kthread (kernel/kthread.c:436)
[   32.047186][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.047426][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.047647][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.047881][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.048121][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.048333][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.048555][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.058318][   T68] ------------[ cut here ]------------
| [   32.058496][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   32.058798][   T68] Modules linked in: vxlan
| [   32.059314][   T68] Tainted: [W]=WARN
[   32.059448][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.059660][   T68] Workqueue: netns cleanup_net
[   32.059906][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.060177][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.060965][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   32.061324][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14fe00 RCX: 1ff4000000092eed
[   32.061744][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14febc
[   32.062151][   T68] RBP: ff1100000f0e9000 R08: 1fe2200001a29fd9 R09: ff1100000915aed0
[   32.062561][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.062975][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.063303][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   32.063672][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.063890][   T68] CR2: 000055bc8594c2f8 CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   32.064124][   T68] PKRU: 55555554
[   32.064263][   T68] Call Trace:
[   32.064403][   T68]  <TASK>
[   32.064517][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.064719][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.064923][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.065091][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.065259][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.065425][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.065600][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.065780][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.065963][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   32.066131][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.066301][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   32.066467][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.066637][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.066812][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.066989][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.067159][   T68]  process_one_work (kernel/workqueue.c:3314)
[   32.067330][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.067495][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.067675][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.067855][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.068022][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   32.068189][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.068356][   T68]  kthread (kernel/kthread.c:436)
[   32.068492][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.068698][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.068874][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.069040][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.069242][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.069408][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.069583][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.072118][   T68] ------------[ cut here ]------------
| [   32.072310][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   32.072607][   T68] Modules linked in: vxlan
| [   32.073115][   T68] Tainted: [W]=WARN
[   32.073254][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.073454][   T68] Workqueue: netns cleanup_net
[   32.073637][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.073858][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.074338][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   32.074574][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290c900 RCX: 1ff4000000092eed
[   32.074798][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290c9bc
[   32.075036][   T68] RBP: ff11000009239000 R08: 1fe2200000521939 R09: ff1100000915aed0
[   32.075257][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.075481][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.075713][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   32.075990][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.076186][   T68] CR2: 000055bc8594c2f8 CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   32.076410][   T68] PKRU: 55555554
[   32.076578][   T68] Call Trace:
[   32.076713][   T68]  <TASK>
[   32.076883][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.077128][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.077369][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.077591][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.077806][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.078035][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.078315][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.078536][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.078750][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   32.078973][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.079190][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   32.079401][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.079620][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.079847][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.080060][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.080274][   T68]  process_one_work (kernel/workqueue.c:3314)
[   32.080489][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.080711][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.080940][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.081166][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.081377][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   32.081596][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.081807][   T68]  kthread (kernel/kthread.c:436)
[   32.082007][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.082251][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.082468][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.082692][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.082946][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.083161][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.083376][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.098694][   T68] ------------[ cut here ]------------
| [   32.098957][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   32.099354][   T68] Modules linked in: vxlan
| [   32.100052][   T68] Tainted: [W]=WARN
[   32.100243][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.100487][   T68] Workqueue: netns cleanup_net
[   32.100725][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.100948][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.101471][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   32.101765][   T68] RAX: 00000000ffffffa6 RBX: ff1100000290cc80 RCX: 1ff4000000092eaf
[   32.102018][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000290cd3c
[   32.102257][   T68] RBP: ff1100000a16c000 R08: 1fe22000005219a9 R09: ff1100000915aed0
[   32.102489][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   32.102743][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   32.103040][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   32.103397][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.103637][   T68] CR2: 000055bc8594c2f8 CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   32.103886][   T68] PKRU: 55555554
[   32.104046][   T68] Call Trace:
[   32.104231][   T68]  <TASK>
[   32.104363][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.104546][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.104692][   T68]  netif_close_many (net/core/dev.c:1804)
[   32.104880][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.105113][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.105319][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.105491][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   32.105677][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.105918][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.106189][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.106362][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.106543][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   32.106719][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.106941][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.107208][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.107400][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.107582][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.107754][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.107943][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.108121][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   32.108291][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.108467][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   32.108643][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.108814][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.109000][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.109173][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.109353][   T68]  process_one_work (kernel/workqueue.c:3314)
[   32.109536][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.109706][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.109895][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.110069][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.110240][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   32.110415][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.110593][   T68]  kthread (kernel/kthread.c:436)
[   32.110734][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.110949][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.111122][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.111299][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.111509][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.111714][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.111899][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.114641][   T68] ------------[ cut here ]------------
| [   32.114814][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   32.115582][   T68] Modules linked in: vxlan
| [   32.116180][   T68] Tainted: [W]=WARN
[   32.116363][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.116627][   T68] Workqueue: netns cleanup_net
[   32.116901][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.117152][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.117672][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   32.117884][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cd8aac0 RCX: 1ff4000000092ed5
[   32.118109][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8ab7c
[   32.118332][   T68] RBP: ff1100000a16c000 R08: 1fe22000019b1571 R09: ff1100000915aed0
[   32.118563][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.118789][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.119024][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   32.119278][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.119475][   T68] CR2: 000055bc8594c2f8 CR3: 0000000060f4d003 CR4: 0000000000771ef0
[   32.119709][   T68] PKRU: 55555554
[   32.119879][   T68] Call Trace:
[   32.120017][   T68]  <TASK>
[   32.120127][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.120327][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.120529][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.120699][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.120882][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.121054][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.121222][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.121390][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.121567][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   32.121735][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.121920][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   32.122089][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.122254][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.122425][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.122601][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.122770][   T68]  process_one_work (kernel/workqueue.c:3314)
[   32.122954][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.123122][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.123291][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.123459][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.123634][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   32.123806][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.123985][   T68]  kthread (kernel/kthread.c:436)
[   32.124122][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.124315][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.124482][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.124659][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.124867][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.125037][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.125205][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.190357][ T1039] ------------[ cut here ]------------
| [   32.190513][ T1039] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1039
| [   32.190776][ T1039] Modules linked in: vxlan
| [   32.191186][ T1039] Tainted: [W]=WARN
[   32.191285][ T1039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.191448][ T1039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.191626][ T1039] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.192095][ T1039] RSP: 0018:ffa0000002367a80 EFLAGS: 00010286
[   32.192260][ T1039] RAX: 00000000ffffffa6 RBX: ff1100000947b8c0 RCX: 1ff400000046cf16
[   32.192454][ T1039] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947b97c
[   32.192654][ T1039] RBP: ff11000011c44000 R08: 1fe220000128f731 R09: ff11000009c8d180
[   32.192855][ T1039] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.193051][ T1039] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011c44000
[   32.193247][ T1039] FS:  00007f08b7c62840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   32.193476][ T1039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.193647][ T1039] CR2: 00007f08b7e69430 CR3: 000000000f2c9001 CR4: 0000000000771ef0
[   32.193848][ T1039] PKRU: 55555554
[   32.193946][ T1039] Call Trace:
[   32.194046][ T1039]  <TASK>
[   32.194114][ T1039]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.194245][ T1039]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.194376][ T1039]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.194475][ T1039]  register_netdevice (net/core/dev.c:11488)
[   32.194614][ T1039]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.194778][ T1039]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   32.194914][ T1039]  register_netdev (net/core/dev.c:11552)
[   32.195045][ T1039]  loopback_net_init (drivers/net/loopback.c:218)
[   32.195177][ T1039]  ops_init (net/core/net_namespace.c:137)
[   32.195278][ T1039]  setup_net (net/core/net_namespace.c:446)
[   32.195377][ T1039]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   32.195511][ T1039]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   32.195643][ T1039]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   32.195775][ T1039]  copy_net_ns (net/core/net_namespace.c:579)
[   32.195913][ T1039]  create_new_namespaces (kernel/nsproxy.c:132)
[   32.196046][ T1039]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   32.196176][ T1039]  ksys_unshare (kernel/fork.c:3243)
[   32.196309][ T1039]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   32.196442][ T1039]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   32.196578][ T1039]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   32.196717][ T1039]  ? __ia32_sys_open (fs/open.c:1374)
[   32.196854][ T1039]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   32.196984][ T1039]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   32.197115][ T1039]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.197243][ T1039]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.197374][ T1039]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.197510][ T1039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.197673][ T1039] RIP: 0033:0x7f08b7f24bcb
[   32.197814][ T1039] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   32.198287][ T1039] RSP: 002b:00007ffcad8117c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   32.198486][ T1039] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f08b7f24bcb
[   32.198686][ T1039] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   32.198885][ T1039] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   32.199078][ T1039] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcad8139f0
[   32.199272][ T1039] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad81588c
| [   32.204040][ T1039] ------------[ cut here ]------------
| [   32.204179][ T1039] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1039
| [   32.204442][ T1039] Modules linked in: vxlan
| [   32.204853][ T1039] Tainted: [W]=WARN
[   32.204953][ T1039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.205120][ T1039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.205292][ T1039] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.205762][ T1039] RSP: 0018:ffa0000002367918 EFLAGS: 00010286
[   32.205933][ T1039] RAX: 00000000ffffffa6 RBX: ff1100000b3b6900 RCX: 1ff400000046cee9
[   32.206130][ T1039] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b69bc
[   32.206328][ T1039] RBP: ff1100000f0ec000 R08: 1fe2200001676d39 R09: ff11000009c8d180
[   32.206532][ T1039] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.206729][ T1039] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0ec000
[   32.206933][ T1039] FS:  00007f08b7c62840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   32.207168][ T1039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.207330][ T1039] CR2: 00007f08b7e69430 CR3: 000000000f2c9001 CR4: 0000000000771ef0
[   32.207533][ T1039] PKRU: 55555554
[   32.207631][ T1039] Call Trace:
[   32.207729][ T1039]  <TASK>
[   32.207800][ T1039]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.207937][ T1039]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.208072][ T1039]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.208172][ T1039]  register_netdevice (net/core/dev.c:11488)
[   32.208305][ T1039]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.208468][ T1039]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   32.208605][ T1039]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   32.208738][ T1039]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   32.208872][ T1039]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   32.209005][ T1039]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   32.209135][ T1039]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   32.209269][ T1039]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   32.209402][ T1039]  ops_init (net/core/net_namespace.c:137)
[   32.209507][ T1039]  setup_net (net/core/net_namespace.c:446)
[   32.209606][ T1039]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   32.209737][ T1039]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   32.209876][ T1039]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   32.210010][ T1039]  copy_net_ns (net/core/net_namespace.c:579)
[   32.210143][ T1039]  create_new_namespaces (kernel/nsproxy.c:132)
[   32.210277][ T1039]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   32.210409][ T1039]  ksys_unshare (kernel/fork.c:3243)
[   32.210545][ T1039]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   32.210676][ T1039]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   32.210808][ T1039]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   32.210946][ T1039]  ? __ia32_sys_open (fs/open.c:1374)
[   32.211080][ T1039]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   32.211212][ T1039]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   32.211345][ T1039]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.211477][ T1039]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.211612][ T1039]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.211744][ T1039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.211914][ T1039] RIP: 0033:0x7f08b7f24bcb
[   32.212052][ T1039] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   32.212529][ T1039] RSP: 002b:00007ffcad8117c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   32.212724][ T1039] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f08b7f24bcb
[   32.212924][ T1039] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   32.213123][ T1039] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   32.213321][ T1039] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcad8139f0
[   32.213521][ T1039] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad81588c
| [   32.217380][ T1039] ------------[ cut here ]------------
| [   32.217517][ T1039] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1039
| [   32.217782][ T1039] Modules linked in: vxlan
| [   32.218195][ T1039] Tainted: [W]=WARN
[   32.218296][ T1039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.218462][ T1039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.218639][ T1039] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.219118][ T1039] RSP: 0018:ffa00000023678f8 EFLAGS: 00010286
[   32.219284][ T1039] RAX: 00000000ffffffa6 RBX: ff1100000b3b6c80 RCX: 1ff400000046cee5
[   32.219480][ T1039] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b6d3c
[   32.219685][ T1039] RBP: ff11000008ef4000 R08: 1fe2200001676da9 R09: ff11000009c8d180
[   32.219887][ T1039] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.220089][ T1039] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008ef4000
[   32.220287][ T1039] FS:  00007f08b7c62840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   32.220524][ T1039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.220694][ T1039] CR2: 00007f08b7e69430 CR3: 000000000f2c9001 CR4: 0000000000771ef0
[   32.220898][ T1039] PKRU: 55555554
[   32.220996][ T1039] Call Trace:
[   32.221095][ T1039]  <TASK>
[   32.221164][ T1039]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.221297][ T1039]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.221430][ T1039]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.221536][ T1039]  register_netdevice (net/core/dev.c:11488)
[   32.221671][ T1039]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.221841][ T1039]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   32.221976][ T1039]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   32.222109][ T1039]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   32.222241][ T1039]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   32.222375][ T1039]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   32.222513][ T1039]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   32.222649][ T1039]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   32.222780][ T1039]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.222920][ T1039]  vti_init_net (net/ipv4/ip_vti.c:517)
[   32.223056][ T1039]  ops_init (net/core/net_namespace.c:137)
[   32.223157][ T1039]  setup_net (net/core/net_namespace.c:446)
[   32.223257][ T1039]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   32.223389][ T1039]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   32.223525][ T1039]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   32.223660][ T1039]  copy_net_ns (net/core/net_namespace.c:579)
[   32.223794][ T1039]  create_new_namespaces (kernel/nsproxy.c:132)
[   32.223933][ T1039]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   32.224066][ T1039]  ksys_unshare (kernel/fork.c:3243)
[   32.224200][ T1039]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   32.224332][ T1039]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   32.224466][ T1039]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   32.224605][ T1039]  ? __ia32_sys_open (fs/open.c:1374)
[   32.224738][ T1039]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   32.224876][ T1039]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   32.225008][ T1039]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.225140][ T1039]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.225271][ T1039]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.225402][ T1039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.225573][ T1039] RIP: 0033:0x7f08b7f24bcb
[   32.225709][ T1039] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   32.226183][ T1039] RSP: 002b:00007ffcad8117c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   32.226380][ T1039] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f08b7f24bcb
[   32.226582][ T1039] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   32.226776][ T1039] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   32.226978][ T1039] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcad8139f0
[   32.227174][ T1039] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad81588c
| [   32.232463][ T1039] ------------[ cut here ]------------
| [   32.232613][ T1039] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1039
| [   32.232883][ T1039] Modules linked in: vxlan
| [   32.233280][ T1039] Tainted: [W]=WARN
[   32.233378][ T1039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.233546][ T1039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.233717][ T1039] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.234186][ T1039] RSP: 0018:ffa0000002367a78 EFLAGS: 00010286
[   32.234351][ T1039] RAX: 00000000ffffffa6 RBX: ff1100000954f000 RCX: 1ff400000046cf15
[   32.234552][ T1039] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954f0bc
[   32.234748][ T1039] RBP: ff1100000a3e4000 R08: 1fe22000012a9e19 R09: ff11000009c8d180
[   32.234948][ T1039] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.235142][ T1039] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3e4000
[   32.235336][ T1039] FS:  00007f08b7c62840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   32.235570][ T1039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.235733][ T1039] CR2: 00007f01db690000 CR3: 000000000f2c9005 CR4: 0000000000771ef0
[   32.235933][ T1039] PKRU: 55555554
[   32.236031][ T1039] Call Trace:
[   32.236128][ T1039]  <TASK>
[   32.236195][ T1039]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.236327][ T1039]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.236458][ T1039]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.236563][ T1039]  register_netdevice (net/core/dev.c:11488)
[   32.236695][ T1039]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.236865][ T1039]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.236998][ T1039]  register_netdev (net/core/dev.c:11552)
[   32.237128][ T1039]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   32.237260][ T1039]  ops_init (net/core/net_namespace.c:137)
[   32.237361][ T1039]  setup_net (net/core/net_namespace.c:446)
[   32.237459][ T1039]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   32.237593][ T1039]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   32.237722][ T1039]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   32.237860][ T1039]  copy_net_ns (net/core/net_namespace.c:579)
[   32.237991][ T1039]  create_new_namespaces (kernel/nsproxy.c:132)
[   32.238125][ T1039]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   32.238257][ T1039]  ksys_unshare (kernel/fork.c:3243)
[   32.238387][ T1039]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   32.238520][ T1039]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   32.238651][ T1039]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   32.238784][ T1039]  ? __ia32_sys_open (fs/open.c:1374)
[   32.238922][ T1039]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   32.239054][ T1039]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   32.239184][ T1039]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.239315][ T1039]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.239444][ T1039]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.239579][ T1039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.239740][ T1039] RIP: 0033:0x7f08b7f24bcb
[   32.239883][ T1039] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   32.240349][ T1039] RSP: 002b:00007ffcad8117c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   32.240552][ T1039] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f08b7f24bcb
[   32.240746][ T1039] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   32.240948][ T1039] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   32.241142][ T1039] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcad8139f0
[   32.241336][ T1039] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad81588c
| [   32.250769][ T1039] ------------[ cut here ]------------
| [   32.250914][ T1039] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1039
| [   32.251171][ T1039] Modules linked in: vxlan
| [   32.251572][ T1039] Tainted: [W]=WARN
[   32.251671][ T1039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.251839][ T1039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.252010][ T1039] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.252476][ T1039] RSP: 0018:ffa0000002367a68 EFLAGS: 00010286
[   32.252644][ T1039] RAX: 00000000ffffffa6 RBX: ff1100000cc7e040 RCX: 1ff400000046cf13
[   32.252844][ T1039] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7e0fc
[   32.253039][ T1039] RBP: ff11000004c49000 R08: 1fe220000198fc21 R09: ff11000009c8d180
[   32.253234][ T1039] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.253428][ T1039] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004c49000
[   32.253630][ T1039] FS:  00007f08b7c62840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   32.253863][ T1039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.254031][ T1039] CR2: 00007f01db690000 CR3: 000000000f2c9005 CR4: 0000000000771ef0
[   32.254227][ T1039] PKRU: 55555554
[   32.254324][ T1039] Call Trace:
[   32.254422][ T1039]  <TASK>
[   32.254489][ T1039]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.254624][ T1039]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.254753][ T1039]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.254860][ T1039]  register_netdevice (net/core/dev.c:11488)
[   32.254991][ T1039]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.255155][ T1039]  register_netdev (net/core/dev.c:11552)
[   32.255286][ T1039]  sit_init_net (net/ipv6/sit.c:1860)
[   32.255417][ T1039]  ops_init (net/core/net_namespace.c:137)
[   32.255521][ T1039]  setup_net (net/core/net_namespace.c:446)
[   32.255620][ T1039]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   32.255749][ T1039]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   32.255885][ T1039]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   32.256017][ T1039]  copy_net_ns (net/core/net_namespace.c:579)
[   32.256148][ T1039]  create_new_namespaces (kernel/nsproxy.c:132)
[   32.256279][ T1039]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   32.256410][ T1039]  ksys_unshare (kernel/fork.c:3243)
[   32.256545][ T1039]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   32.256676][ T1039]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   32.256806][ T1039]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   32.256945][ T1039]  ? __ia32_sys_open (fs/open.c:1374)
[   32.257078][ T1039]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   32.257209][ T1039]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   32.257339][ T1039]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.257470][ T1039]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.257606][ T1039]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.257739][ T1039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.257905][ T1039] RIP: 0033:0x7f08b7f24bcb
[   32.258041][ T1039] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   32.258516][ T1039] RSP: 002b:00007ffcad8117c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   32.258712][ T1039] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f08b7f24bcb
[   32.258913][ T1039] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   32.259106][ T1039] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   32.259302][ T1039] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcad8139f0
[   32.259498][ T1039] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad81588c
| [   32.269803][ T1039] ------------[ cut here ]------------
| [   32.270433][ T1039] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1039
| [   32.270697][ T1039] Modules linked in: vxlan
| [   32.271208][ T1039] Tainted: [W]=WARN
[   32.271308][ T1039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.271470][ T1039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.271648][ T1039] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.272173][ T1039] RSP: 0018:ffa0000002367a78 EFLAGS: 00010286
[   32.272339][ T1039] RAX: 00000000ffffffa6 RBX: ff1100000c57a200 RCX: 1ff400000046cf15
[   32.272541][ T1039] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c57a2bc
[   32.272737][ T1039] RBP: ff11000004edc000 R08: 1fe22000018af459 R09: ff11000009c8d180
[   32.272986][ T1039] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.273181][ T1039] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004edc000
[   32.273379][ T1039] FS:  00007f08b7c62840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   32.273614][ T1039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.273779][ T1039] CR2: 00007f01db690000 CR3: 000000000f2c9005 CR4: 0000000000771ef0
[   32.274034][ T1039] PKRU: 55555554
[   32.274132][ T1039] Call Trace:
[   32.274229][ T1039]  <TASK>
[   32.274299][ T1039]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.274432][ T1039]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.274567][ T1039]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.274667][ T1039]  register_netdevice (net/core/dev.c:11488)
[   32.274800][ T1039]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.275016][ T1039]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.275149][ T1039]  register_netdev (net/core/dev.c:11552)
[   32.275281][ T1039]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   32.275414][ T1039]  ops_init (net/core/net_namespace.c:137)
[   32.275519][ T1039]  setup_net (net/core/net_namespace.c:446)
[   32.275619][ T1039]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   32.275750][ T1039]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   32.275937][ T1039]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   32.276070][ T1039]  copy_net_ns (net/core/net_namespace.c:579)
[   32.276206][ T1039]  create_new_namespaces (kernel/nsproxy.c:132)
[   32.276340][ T1039]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   32.276471][ T1039]  ksys_unshare (kernel/fork.c:3243)
[   32.276607][ T1039]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   32.276737][ T1039]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   32.276925][ T1039]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   32.277059][ T1039]  ? __ia32_sys_open (fs/open.c:1374)
[   32.277191][ T1039]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   32.277321][ T1039]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   32.277452][ T1039]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.277586][ T1039]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.277717][ T1039]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.277905][ T1039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.278066][ T1039] RIP: 0033:0x7f08b7f24bcb
[   32.278201][ T1039] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   32.278671][ T1039] RSP: 002b:00007ffcad8117c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   32.278923][ T1039] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f08b7f24bcb
[   32.279118][ T1039] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   32.279316][ T1039] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   32.279515][ T1039] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcad8139f0
[   32.279730][ T1039] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcad81588c
| [   32.304550][ T1040] ------------[ cut here ]------------
| [   32.304700][ T1040] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1040
| [   32.304966][ T1040] Modules linked in: vxlan
| [   32.305361][ T1040] Tainted: [W]=WARN
[   32.305460][ T1040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.305631][ T1040] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.305800][ T1040] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.306267][ T1040] RSP: 0018:ffa0000002317020 EFLAGS: 00010286
[   32.306433][ T1040] RAX: 00000000ffffffa6 RBX: ff1100000947a900 RCX: 1ff4000000462dca
[   32.306634][ T1040] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947a9bc
[   32.306833][ T1040] RBP: ff11000011c44000 R08: 1fe220000128f539 R09: ff11000009c8ae58
[   32.307027][ T1040] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   32.307219][ T1040] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   32.307415][ T1040] FS:  00007fa0e76c1840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   32.307648][ T1040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.307813][ T1040] CR2: 00007fa0e79911a0 CR3: 0000000004cb9003 CR4: 0000000000771ef0
[   32.308016][ T1040] PKRU: 55555554
[   32.308112][ T1040] Call Trace:
[   32.308209][ T1040]  <TASK>
[   32.308275][ T1040]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.308407][ T1040]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.308510][ T1040]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   32.308641][ T1040]  __dev_notify_flags (net/core/dev.c:9787)
[   32.308773][ T1040]  ? netif_change_name (net/core/dev.c:1495)
[   32.308908][ T1040]  ? __dev_change_flags (net/core/dev.c:9752)
[   32.309040][ T1040]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.309172][ T1040]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.309302][ T1040]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   32.309435][ T1040]  netif_change_flags (net/core/dev.c:9820)
[   32.309572][ T1040]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.309702][ T1040]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   32.309839][ T1040]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   32.309971][ T1040]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   32.310132][ T1040]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.310262][ T1040]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.310394][ T1040]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.310529][ T1040]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.310660][ T1040]  ? __kernel_text_address (kernel/extable.c:79)
[   32.310790][ T1040]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.311009][ T1040]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.311214][ T1040]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.311345][ T1040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.311476][ T1040]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.311610][ T1040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.311738][ T1040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.311962][ T1040]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   32.312095][ T1040]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   32.312228][ T1040]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   32.312358][ T1040]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   32.312490][ T1040]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   32.312627][ T1040]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   32.312759][ T1040]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.312967][ T1040]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.313097][ T1040]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.313227][ T1040]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.313357][ T1040]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.313485][ T1040]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.313622][ T1040]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.313751][ T1040]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.313946][ T1040]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.314077][ T1040]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.314208][ T1040]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.314339][ T1040]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.314468][ T1040]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.314601][ T1040]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.314729][ T1040]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.314914][ T1040]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.315044][ T1040]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.315174][ T1040]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.315305][ T1040]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.315435][ T1040]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.315572][ T1040]  ? 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))
[   32.315702][ T1040]  ? 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))
[   32.315886][ T1040]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.316017][ T1040]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.316148][ T1040]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.316280][ T1040]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.316413][ T1040]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.316549][ T1040]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.316681][ T1040]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.316812][ T1040]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.316996][ T1040]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.317155][ T1040]  ? move_addr_to_kernel (net/socket.c:258)
[   32.317286][ T1040]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.317417][ T1040]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.317552][ T1040]  ___sys_sendmsg (net/socket.c:2752)
[   32.317680][ T1040]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.317896][ T1040]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.318039][ T1040]  __sys_sendmsg (net/socket.c:2784)
[   32.318171][ T1040]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.318300][ T1040]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.318465][ T1040]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.318602][ T1040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.318733][ T1040]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.318917][ T1040]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.319047][ T1040]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.319176][ T1040]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.319337][ T1040] RIP: 0033:0x7fa0e78fb08e
[   32.319473][ T1040] 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
[   32.319983][ T1040] RSP: 002b:00007ffd32b0fa10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.320180][ T1040] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa0e78fb08e
[   32.320374][ T1040] RDX: 0000000000000000 RSI: 00007ffd32b0fac0 RDI: 0000000000000005
[   32.320574][ T1040] RBP: 00007ffd32b0fa20 R08: 0000000000000000 R09: 0000000000000000
[   32.320767][ T1040] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bf
[   32.320963][ T1040] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd32b10190
| [   32.416663][ T1043] ------------[ cut here ]------------
| [   32.416835][ T1043] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1043
| [   32.417119][ T1043] Modules linked in: vxlan
| [   32.417551][ T1043] Tainted: [W]=WARN
[   32.417655][ T1043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.417836][ T1043] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.418018][ T1043] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.418536][ T1043] RSP: 0018:ffa0000002406fd0 EFLAGS: 00010286
[   32.418717][ T1043] RAX: 00000000ffffffa6 RBX: ff1100000cc7f540 RCX: 1ff4000000480dc0
[   32.418930][ T1043] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7f5fc
[   32.419139][ T1043] RBP: ff1100000f642000 R08: 1fe220000198fec1 R09: ff1100000f850b80
[   32.419347][ T1043] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.419561][ T1043] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f642e44
[   32.419770][ T1043] FS:  00007fa9f9b49840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   32.420021][ T1043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.420198][ T1043] CR2: 0000000000437490 CR3: 0000000011cef005 CR4: 0000000000771ef0
[   32.420408][ T1043] PKRU: 55555554
[   32.420518][ T1043] Call Trace:
[   32.420623][ T1043]  <TASK>
[   32.420695][ T1043]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.420839][ T1043]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   32.420984][ T1043]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.421091][ T1043]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   32.421232][ T1043]  __dev_notify_flags (net/core/dev.c:9787)
[   32.421373][ T1043]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.421516][ T1043]  ? netif_change_name (net/core/dev.c:1495)
[   32.421659][ T1043]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   32.421803][ T1043]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.421950][ T1043] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   32.422098][ T1043]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   32.422242][ T1043] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   32.422386][ T1043]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   32.422537][ T1043]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   32.422677][ T1043]  ? nla_strscpy (lib/nlattr.c:795)
[   32.422818][ T1043]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   32.422966][ T1043]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.423107][ T1043]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.423248][ T1043]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.423393][ T1043]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.423541][ T1043]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.423682][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.423819][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.423963][ T1043]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.424102][ T1043]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.424241][ T1043]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.424385][ T1043]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.424530][ T1043]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.424669][ T1043]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.424809][ T1043]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.424954][ T1043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.425095][ T1043]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.425242][ T1043]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.425381][ T1043]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.425525][ T1043]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.425665][ T1043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.425805][ T1043]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.425952][ T1043]  ? 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))
[   32.426093][ T1043]  ? 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))
[   32.426235][ T1043]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.426376][ T1043]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.426520][ T1043]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.426661][ T1043]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.426802][ T1043]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.426951][ T1043]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.427094][ T1043]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.427233][ T1043]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.427374][ T1043]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.427551][ T1043]  ? move_addr_to_kernel (net/socket.c:258)
[   32.427696][ T1043]  ___sys_sendmsg (net/socket.c:2752)
[   32.427841][ T1043]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.427980][ T1043]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.428128][ T1043]  ? 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))
[   32.428269][ T1043]  __sys_sendmsg (net/socket.c:2784)
[   32.428412][ T1043]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.428560][ T1043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.428701][ T1043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.428847][ T1043]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.428987][ T1043]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.429127][ T1043]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.429267][ T1043]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.429441][ T1043] RIP: 0033:0x7fa9f9d8308e
[   32.429592][ T1043] 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
[   32.430097][ T1043] RSP: 002b:00007ffec5b4f120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.430309][ T1043] RAX: ffffffffffffffda RBX: 00007ffec5b4f8d0 RCX: 00007fa9f9d8308e
[   32.430524][ T1043] RDX: 0000000000000000 RSI: 00007ffec5b4f1d0 RDI: 0000000000000005
[   32.430733][ T1043] RBP: 00007ffec5b4f130 R08: 0000000000000000 R09: 0000000000000000
[   32.430948][ T1043] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bf
[   32.431158][ T1043] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec5b4f8a0
| [   32.474102][ T1044] ------------[ cut here ]------------
| [   32.474261][ T1044] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1044
| [   32.474564][ T1044] Modules linked in: vxlan
| [   32.475683][ T1044] Tainted: [W]=WARN
[   32.475794][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.476054][ T1044] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.476237][ T1044] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.476735][ T1044] RSP: 0018:ffa0000002416fd0 EFLAGS: 00010286
[   32.477004][ T1044] RAX: 00000000ffffffa6 RBX: ff1100000ff6a580 RCX: 1ff4000000482dc0
[   32.477272][ T1044] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6a63c
[   32.477481][ T1044] RBP: ff1100000f3c2000 R08: 1fe2200001fed4c9 R09: ff1100000f100b80
[   32.477694][ T1044] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.477977][ T1044] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3c2e44
[   32.478185][ T1044] FS:  00007f373faff840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   32.478429][ T1044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.478611][ T1044] CR2: 00007f373fcf8460 CR3: 000000000f0df003 CR4: 0000000000771ef0
[   32.478863][ T1044] PKRU: 55555554
[   32.478969][ T1044] Call Trace:
[   32.479075][ T1044]  <TASK>
[   32.479148][ T1044]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.479289][ T1044]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   32.479435][ T1044]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.479546][ T1044]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   32.479691][ T1044]  __dev_notify_flags (net/core/dev.c:9787)
[   32.479836][ T1044]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.479979][ T1044]  ? netif_change_name (net/core/dev.c:1495)
[   32.480122][ T1044]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   32.480266][ T1044]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.480407][ T1044] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   32.480558][ T1044]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   32.480703][ T1044] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   32.480851][ T1044]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   32.480997][ T1044]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   32.481137][ T1044]  ? nla_strscpy (lib/nlattr.c:795)
[   32.481277][ T1044]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   32.481418][ T1044]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.481563][ T1044]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.481703][ T1044]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.481852][ T1044]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.482050][ T1044]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.482257][ T1044]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.482467][ T1044]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.482685][ T1044]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.482909][ T1044]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.483122][ T1044]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.483287][ T1044]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.483429][ T1044]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.483575][ T1044]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.483716][ T1044]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.483863][ T1044]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.483999][ T1044]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.484139][ T1044]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.484277][ T1044]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.484417][ T1044]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.484565][ T1044]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.484705][ T1044]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.484854][ T1044]  ? 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))
[   32.484992][ T1044]  ? 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))
[   32.485133][ T1044]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.485273][ T1044]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.485413][ T1044]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.485560][ T1044]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.485704][ T1044]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.485850][ T1044]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.485992][ T1044]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.486134][ T1044]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.486273][ T1044]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.486446][ T1044]  ? move_addr_to_kernel (net/socket.c:258)
[   32.486597][ T1044]  ___sys_sendmsg (net/socket.c:2752)
[   32.486738][ T1044]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.486884][ T1044]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.487034][ T1044]  ? 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))
[   32.487175][ T1044]  __sys_sendmsg (net/socket.c:2784)
[   32.487315][ T1044]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.487459][ T1044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.487604][ T1044]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.487747][ T1044]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.487891][ T1044]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.488032][ T1044]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.488173][ T1044]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.488346][ T1044] RIP: 0033:0x7f373fd3908e
[   32.488496][ T1044] 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
[   32.489009][ T1044] RSP: 002b:00007ffd575af050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.489221][ T1044] RAX: ffffffffffffffda RBX: 00007ffd575af800 RCX: 00007f373fd3908e
[   32.489431][ T1044] RDX: 0000000000000000 RSI: 00007ffd575af100 RDI: 0000000000000005
[   32.489646][ T1044] RBP: 00007ffd575af060 R08: 0000000000000000 R09: 0000000000000000
[   32.489873][ T1044] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bf
[   32.490085][ T1044] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd575af7d0
| [   32.533610][ T1045] ------------[ cut here ]------------
| [   32.533833][ T1045] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1045
| [   32.534128][ T1045] Modules linked in: vxlan
| [   32.534553][ T1045] Tainted: [W]=WARN
[   32.534659][ T1045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.534919][ T1045] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.535183][ T1045] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.535854][ T1045] RSP: 0018:ffa00000024271b0 EFLAGS: 00010286
[   32.536099][ T1045] RAX: 00000000ffffffa6 RBX: ff1100000cdf1540 RCX: 1ff4000000484dfc
[   32.536302][ T1045] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdf15fc
[   32.536507][ T1045] RBP: ff1100000f3da000 R08: 1fe22000019be2c1 R09: ff1100000f105180
[   32.536706][ T1045] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.536989][ T1045] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   32.537231][ T1045] FS:  00007f67deeb5840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   32.537466][ T1045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.537638][ T1045] CR2: 00007f67df0ae460 CR3: 00000000093c6005 CR4: 0000000000771ef0
[   32.537971][ T1045] PKRU: 55555554
[   32.538116][ T1045] Call Trace:
[   32.538262][ T1045]  <TASK>
[   32.538366][ T1045]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.538578][ T1045]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.538719][ T1045]  __dev_notify_flags (net/core/dev.c:9787)
[   32.539059][ T1045]  ? netif_change_name (net/core/dev.c:1495)
[   32.539251][ T1045]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.539419][ T1045]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   32.539561][ T1045]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.539698][ T1045]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   32.539937][ T1045]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   32.540149][ T1045]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.540340][ T1045]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.540474][ T1045]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.540645][ T1045]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.540930][ T1045]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.541139][ T1045]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.541350][ T1045]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.541553][ T1045]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.541754][ T1045]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.541967][ T1045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.542160][ T1045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.542323][ T1045]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.542525][ T1045]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.542723][ T1045]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.542940][ T1045]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.543142][ T1045]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.543347][ T1045]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.543555][ T1045]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.543758][ T1045]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.543969][ T1045]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.544181][ T1045]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.544388][ T1045]  ? 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))
[   32.544600][ T1045]  ? 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))
[   32.544817][ T1045]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.545041][ T1045]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.545260][ T1045]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.545469][ T1045]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.545684][ T1045]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.545910][ T1045]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.546130][ T1045]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.546341][ T1045]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.546550][ T1045]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.546793][ T1045]  ? move_addr_to_kernel (net/socket.c:258)
[   32.547011][ T1045]  ___sys_sendmsg (net/socket.c:2752)
[   32.547211][ T1045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.547413][ T1045]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.547590][ T1045]  ? 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))
[   32.547726][ T1045]  __sys_sendmsg (net/socket.c:2784)
[   32.547869][ T1045]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.548007][ T1045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.548141][ T1045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.548275][ T1045]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.548408][ T1045]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.548549][ T1045]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.548685][ T1045]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.548857][ T1045] RIP: 0033:0x7f67df0ef08e
[   32.548996][ T1045] 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
[   32.549470][ T1045] RSP: 002b:00007ffd3d125ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.549678][ T1045] RAX: ffffffffffffffda RBX: 00007ffd3d126448 RCX: 00007f67df0ef08e
[   32.549885][ T1045] RDX: 0000000000000000 RSI: 00007ffd3d125d50 RDI: 0000000000000005
[   32.550085][ T1045] RBP: 00007ffd3d125cb0 R08: 0000000000000000 R09: 0000000000000000
[   32.550285][ T1045] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bf
[   32.550488][ T1045] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3d126420
| [   32.584537][ T1046] ------------[ cut here ]------------
| [   32.584687][ T1046] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1046
| [   32.584958][ T1046] Modules linked in: vxlan
| [   32.585367][ T1046] Tainted: [W]=WARN
[   32.585470][ T1046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.585646][ T1046] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.585826][ T1046] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.586304][ T1046] RSP: 0018:ffa00000024371b0 EFLAGS: 00010286
[   32.586473][ T1046] RAX: 00000000ffffffa6 RBX: ff110000095af000 RCX: 1ff4000000486dfc
[   32.586682][ T1046] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095af0bc
[   32.586887][ T1046] RBP: ff110000118fa000 R08: 1fe22000012b5e19 R09: ff1100000f102e80
[   32.587091][ T1046] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.587295][ T1046] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   32.587497][ T1046] FS:  00007f26c570f840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   32.587736][ T1046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.587912][ T1046] CR2: 00007f26c5908460 CR3: 000000000f7df002 CR4: 0000000000771ef0
[   32.588113][ T1046] PKRU: 55555554
[   32.588213][ T1046] Call Trace:
[   32.588313][ T1046]  <TASK>
[   32.588383][ T1046]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.588526][ T1046]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.588628][ T1046]  __dev_notify_flags (net/core/dev.c:9787)
[   32.588763][ T1046]  ? netif_change_name (net/core/dev.c:1495)
[   32.588905][ T1046]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   32.589073][ T1046]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   32.589210][ T1046]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   32.589345][ T1046]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   32.589483][ T1046]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   32.589624][ T1046]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   32.589759][ T1046]  ? __dev_get_by_name (net/core/dev.c:883)
[   32.589901][ T1046]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   32.590042][ T1046]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   32.590181][ T1046]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   32.590317][ T1046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.590451][ T1046]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.590592][ T1046]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.590726][ T1046]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.590868][ T1046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.591007][ T1046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.591144][ T1046]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   32.591281][ T1046]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.591423][ T1046]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.591563][ T1046]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.591699][ T1046]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.591840][ T1046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.591977][ T1046]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.592113][ T1046]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.592249][ T1046]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.592384][ T1046]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.592528][ T1046]  ? 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))
[   32.592662][ T1046]  ? 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))
[   32.592799][ T1046]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.592942][ T1046]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.593077][ T1046]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.593214][ T1046]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.593351][ T1046]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.593490][ T1046]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.593632][ T1046]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.593767][ T1046]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.593909][ T1046]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.594076][ T1046]  ? move_addr_to_kernel (net/socket.c:258)
[   32.594216][ T1046]  ___sys_sendmsg (net/socket.c:2752)
[   32.594350][ T1046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.594488][ T1046]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.594639][ T1046]  ? 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))
[   32.594777][ T1046]  __sys_sendmsg (net/socket.c:2784)
[   32.594918][ T1046]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.595057][ T1046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.595193][ T1046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.595328][ T1046]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.595463][ T1046]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.595604][ T1046]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.595739][ T1046]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.595914][ T1046] RIP: 0033:0x7f26c594908e
[   32.596057][ T1046] 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
[   32.596541][ T1046] RSP: 002b:00007ffde83f94a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.596745][ T1046] RAX: ffffffffffffffda RBX: 00007ffde83f9c48 RCX: 00007f26c594908e
[   32.596952][ T1046] RDX: 0000000000000000 RSI: 00007ffde83f9550 RDI: 0000000000000005
[   32.597156][ T1046] RBP: 00007ffde83f94b0 R08: 0000000000000000 R09: 0000000000000000
[   32.597357][ T1046] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8bf
[   32.597564][ T1046] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde83f9c20
| [   33.627881][ T1105] ------------[ cut here ]------------
| [   33.628068][ T1105] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1105
| [   33.628334][ T1105] Modules linked in: vxlan
| [   33.628751][ T1105] Tainted: [W]=WARN
[   33.629179][ T1105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.629340][ T1105] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.629511][ T1105] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.629976][ T1105] RSP: 0018:ffa0000002597190 EFLAGS: 00010286
[   33.630140][ T1105] RAX: 00000000ffffffa6 RBX: ff11000008e551c0 RCX: 1ff40000004b2df8
[   33.630334][ T1105] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e5527c
[   33.630534][ T1105] RBP: ff110000118fa000 R08: 1fe22000011caa51 R09: ff1100000f5fd158
[   33.630726][ T1105] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.630926][ T1105] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.631118][ T1105] FS:  00007fc872b5c840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   33.631343][ T1105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.631501][ T1105] CR2: 0000000009a18988 CR3: 000000000e5a7005 CR4: 0000000000771ef0
[   33.631701][ T1105] PKRU: 55555554
[   33.631796][ T1105] Call Trace:
[   33.631896][ T1105]  <TASK>
[   33.631966][ T1105]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.632134][ T1105]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.632296][ T1105]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.632429][ T1105]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.632564][ T1105]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.632729][ T1105]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.632860][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.632985][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.633111][ T1105]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.633237][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.633361][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.633503][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.633632][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.633756][ T1105]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.633884][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.634009][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.634138][ T1105]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   33.634268][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.634394][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.634521][ T1105]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.634647][ T1105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.634771][ T1105]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.634899][ T1105]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.635026][ T1105]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.635152][ T1105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.635277][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.635402][ T1105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.635531][ T1105]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.635654][ T1105]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.635781][ T1105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.635916][ T1105]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.636044][ T1105]  ? 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))
[   33.636168][ T1105]  ? 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))
[   33.636295][ T1105]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.636420][ T1105]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.636550][ T1105]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.636678][ T1105]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.636804][ T1105]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.636935][ T1105]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.637063][ T1105]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.637187][ T1105]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.637315][ T1105]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.637470][ T1105]  ? move_addr_to_kernel (net/socket.c:258)
[   33.637600][ T1105]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.637728][ T1105]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.637859][ T1105]  ___sys_sendmsg (net/socket.c:2752)
[   33.637982][ T1105]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.638136][ T1105]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.638272][ T1105]  __sys_sendmsg (net/socket.c:2784)
[   33.638396][ T1105]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.638525][ T1105]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.638685][ T1105]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.638810][ T1105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.638944][ T1105]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.639072][ T1105]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.639199][ T1105]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.639325][ T1105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.639486][ T1105] RIP: 0033:0x7fc872d9608e
[   33.639625][ T1105] 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
[   33.640085][ T1105] RSP: 002b:00007ffc60e4f280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.640285][ T1105] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc872d9608e
[   33.640481][ T1105] RDX: 0000000000000000 RSI: 00007ffc60e4f330 RDI: 0000000000000005
[   33.640671][ T1105] RBP: 00007ffc60e4f290 R08: 0000000000000000 R09: 0000000000000000
[   33.640862][ T1105] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c0
[   33.641046][ T1105] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc60e4fa00
| [   33.675951][ T1106] ------------[ cut here ]------------
| [   33.676160][ T1106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1106
| [   33.676457][ T1106] Modules linked in: vxlan
| [   33.677521][ T1106] Tainted: [W]=WARN
[   33.677710][ T1106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.677926][ T1106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.678138][ T1106] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.678637][ T1106] RSP: 0018:ffa00000025f7190 EFLAGS: 00010286
[   33.678855][ T1106] RAX: 00000000ffffffa6 RBX: ff1100000a2331c0 RCX: 1ff40000004bedf8
[   33.679086][ T1106] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a23327c
[   33.679319][ T1106] RBP: ff1100000f3da000 R08: 1fe2200001446651 R09: ff11000011f7d158
[   33.679554][ T1106] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.679787][ T1106] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.680029][ T1106] FS:  00007f58ae2fa840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   33.680295][ T1106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.680498][ T1106] CR2: 0000000018dce988 CR3: 00000000098a6003 CR4: 0000000000771ef0
[   33.680742][ T1106] PKRU: 55555554
[   33.680892][ T1106] Call Trace:
[   33.681031][ T1106]  <TASK>
[   33.681143][ T1106]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.681351][ T1106]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.681568][ T1106]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.681744][ T1106]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.681932][ T1106]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.682139][ T1106]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.682311][ T1106]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.682480][ T1106]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.682661][ T1106]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.682845][ T1106]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.683014][ T1106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.683203][ T1106]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.683373][ T1106]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.683551][ T1106]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.683721][ T1106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.683902][ T1106]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.684076][ T1106]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   33.684251][ T1106]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.684421][ T1106]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.684600][ T1106]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.684773][ T1106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.684958][ T1106]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.685130][ T1106]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.685302][ T1106]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.685472][ T1106]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.685646][ T1106]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.685831][ T1106]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.686000][ T1106]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.686172][ T1106]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.686343][ T1106]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.686521][ T1106]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.686696][ T1106]  ? 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))
[   33.686875][ T1106]  ? 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))
[   33.687049][ T1106]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.687222][ T1106]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.687398][ T1106]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.687581][ T1106]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.687756][ T1106]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.687939][ T1106]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.688113][ T1106]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.688287][ T1106]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.688462][ T1106]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.688679][ T1106]  ? move_addr_to_kernel (net/socket.c:258)
[   33.688870][ T1106]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.689047][ T1106]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.689224][ T1106]  ___sys_sendmsg (net/socket.c:2752)
[   33.689397][ T1106]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.689613][ T1106]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.689798][ T1106]  __sys_sendmsg (net/socket.c:2784)
[   33.689988][ T1106]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.690161][ T1106]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.690371][ T1106]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.690554][ T1106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.690732][ T1106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.690923][ T1106]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.691102][ T1106]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.691280][ T1106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.691486][ T1106] RIP: 0033:0x7f58ae53408e
[   33.691678][ T1106] 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
[   33.692190][ T1106] RSP: 002b:00007ffd9e7b7130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.692436][ T1106] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f58ae53408e
[   33.692676][ T1106] RDX: 0000000000000000 RSI: 00007ffd9e7b71e0 RDI: 0000000000000005
[   33.692925][ T1106] RBP: 00007ffd9e7b7140 R08: 0000000000000000 R09: 0000000000000000
[   33.693160][ T1106] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c0
[   33.693391][ T1106] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9e7b78b0
| [   33.743307][ T1107] ------------[ cut here ]------------
| [   33.743504][ T1107] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1107
| [   33.743815][ T1107] Modules linked in: vxlan
| [   33.744310][ T1107] Tainted: [W]=WARN
[   33.744453][ T1107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.744667][ T1107] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.745017][ T1107] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.745609][ T1107] RSP: 0018:ffa0000002207190 EFLAGS: 00010286
[   33.745904][ T1107] RAX: 00000000ffffffa6 RBX: ff1100000dbf9e00 RCX: 1ff4000000440df8
[   33.746216][ T1107] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf9ebc
[   33.746550][ T1107] RBP: ff1100000f3c2000 R08: 1fe2200001b7f3d9 R09: ff11000011f7ae58
[   33.746870][ T1107] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.747172][ T1107] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.747475][ T1107] FS:  00007f0d011ac840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   33.747748][ T1107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.747967][ T1107] CR2: 00000000107b0988 CR3: 0000000004fa8005 CR4: 0000000000771ef0
[   33.748209][ T1107] PKRU: 55555554
[   33.748355][ T1107] Call Trace:
[   33.748501][ T1107]  <TASK>
[   33.748629][ T1107]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.748859][ T1107]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.749071][ T1107]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.749250][ T1107]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.749428][ T1107]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.749610][ T1107]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.749789][ T1107]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.749979][ T1107]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.750153][ T1107]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.750350][ T1107]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.750531][ T1107]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.750705][ T1107]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.750891][ T1107]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.751066][ T1107]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.751239][ T1107]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   33.751415][ T1107]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.751597][ T1107]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.751773][ T1107]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.751961][ T1107]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.752137][ T1107]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.752312][ T1107]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.752485][ T1107]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.752666][ T1107]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.752851][ T1107]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.753030][ T1107]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.753202][ T1107]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.753374][ T1107]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.753552][ T1107]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.753725][ T1107]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.753915][ T1107]  ? 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))
[   33.754088][ T1107]  ? 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))
[   33.754265][ T1107]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.754439][ T1107]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.754615][ T1107]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.754788][ T1107]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.754973][ T1107]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.755147][ T1107]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.755321][ T1107]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.755494][ T1107]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.755675][ T1107]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.755889][ T1107]  ? move_addr_to_kernel (net/socket.c:258)
[   33.756065][ T1107]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.756241][ T1107]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.756414][ T1107]  ___sys_sendmsg (net/socket.c:2752)
[   33.756593][ T1107]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.756797][ T1107]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.756998][ T1107]  __sys_sendmsg (net/socket.c:2784)
[   33.757172][ T1107]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.757340][ T1107]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.757555][ T1107]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.757727][ T1107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.757915][ T1107]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.758090][ T1107]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.758268][ T1107]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.758447][ T1107]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.758663][ T1107] RIP: 0033:0x7f0d013e608e
[   33.758857][ T1107] 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
[   33.759356][ T1107] RSP: 002b:00007fffb49bd1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.759607][ T1107] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0d013e608e
[   33.759855][ T1107] RDX: 0000000000000000 RSI: 00007fffb49bd280 RDI: 0000000000000005
[   33.760092][ T1107] RBP: 00007fffb49bd1e0 R08: 0000000000000000 R09: 0000000000000000
[   33.760328][ T1107] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c0
[   33.760575][ T1107] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb49bd950
| [   33.805526][ T1108] ------------[ cut here ]------------
| [   33.805714][ T1108] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1108
| [   33.806021][ T1108] Modules linked in: vxlan
| [   33.806626][ T1108] Tainted: [W]=WARN
[   33.806788][ T1108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.807004][ T1108] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.807214][ T1108] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.807710][ T1108] RSP: 0018:ffa0000002607190 EFLAGS: 00010286
[   33.808021][ T1108] RAX: 00000000ffffffa6 RBX: ff1100000a1b3a80 RCX: 1ff40000004c0df8
[   33.808338][ T1108] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b3b3c
[   33.808641][ T1108] RBP: ff1100000f642000 R08: 1fe2200001436769 R09: ff11000011f78b58
[   33.808969][ T1108] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.809283][ T1108] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.809616][ T1108] FS:  00007efd3cc74840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   33.809921][ T1108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.810127][ T1108] CR2: 000000002794e988 CR3: 000000000f517001 CR4: 0000000000771ef0
[   33.810359][ T1108] PKRU: 55555554
[   33.810498][ T1108] Call Trace:
[   33.810646][ T1108]  <TASK>
[   33.810758][ T1108]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.810979][ T1108]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.811203][ T1108]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.811434][ T1108]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   33.811676][ T1108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.811914][ T1108]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.812144][ T1108]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.812373][ T1108]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.812605][ T1108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.812864][ T1108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.813089][ T1108]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.813317][ T1108]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.813556][ T1108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.813785][ T1108]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.814022][ T1108]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   33.814257][ T1108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.814444][ T1108]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.814626][ T1108]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.814798][ T1108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.814985][ T1108]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   33.815158][ T1108]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.815329][ T1108]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.815500][ T1108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.815679][ T1108]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.815865][ T1108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.816035][ T1108]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.816212][ T1108]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.816389][ T1108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.816573][ T1108]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.816752][ T1108]  ? 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))
[   33.816937][ T1108]  ? 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))
[   33.817116][ T1108]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.817294][ T1108]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.817471][ T1108]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.817656][ T1108]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.817847][ T1108]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.818023][ T1108]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.818201][ T1108]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.818378][ T1108]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.818556][ T1108]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.818760][ T1108]  ? move_addr_to_kernel (net/socket.c:258)
[   33.818954][ T1108]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.819132][ T1108]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.819309][ T1108]  ___sys_sendmsg (net/socket.c:2752)
[   33.819483][ T1108]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.819697][ T1108]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.819900][ T1108]  __sys_sendmsg (net/socket.c:2784)
[   33.820076][ T1108]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.820251][ T1108]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.820465][ T1108]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.820649][ T1108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.820839][ T1108]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.821015][ T1108]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.821191][ T1108]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.821368][ T1108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.821584][ T1108] RIP: 0033:0x7efd3ceae08e
[   33.821768][ T1108] 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
[   33.822269][ T1108] RSP: 002b:00007fff1b1a39b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.822503][ T1108] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efd3ceae08e
[   33.822748][ T1108] RDX: 0000000000000000 RSI: 00007fff1b1a3a60 RDI: 0000000000000005
[   33.822990][ T1108] RBP: 00007fff1b1a39c0 R08: 0000000000000000 R09: 0000000000000000
[   33.823224][ T1108] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c1
[   33.823456][ T1108] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1b1a4130
| [   33.908398][   T68] ------------[ cut here ]------------
| [   33.908599][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   33.908896][   T68] Modules linked in: vxlan
| [   33.909381][   T68] Tainted: [W]=WARN
[   33.909525][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.909723][   T68] Workqueue: netns cleanup_net
[   33.909918][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.910139][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.910625][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   33.910838][   T68] RAX: 00000000ffffffa6 RBX: ff110000095af380 RCX: 1ff4000000092eed
[   33.911068][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095af43c
[   33.911290][   T68] RBP: ff11000004edc000 R08: 1fe22000012b5e89 R09: ff1100000915aed0
[   33.911517][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.911741][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.911978][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   33.912246][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.912519][   T68] CR2: 00007f41bece1000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   33.912839][   T68] PKRU: 55555554
[   33.913018][   T68] Call Trace:
[   33.913197][   T68]  <TASK>
[   33.913334][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.913606][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.913889][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.914103][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.914333][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   33.914570][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.914797][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   33.915023][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.915242][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   33.915451][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.915627][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.915800][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.915980][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.916153][   T68]  process_one_work (kernel/workqueue.c:3314)
[   33.916324][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.916490][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.916670][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.916852][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.917024][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.917197][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.917368][   T68]  kthread (kernel/kthread.c:436)
[   33.917516][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.917718][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.917901][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.918078][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.918279][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.918453][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.918635][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.921443][   T68] ------------[ cut here ]------------
| [   33.921616][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   33.921915][   T68] Modules linked in: vxlan
| [   33.922407][   T68] Tainted: [W]=WARN
[   33.922560][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.922756][   T68] Workqueue: netns cleanup_net
[   33.922941][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.923143][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.923622][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   33.923816][   T68] RAX: 00000000ffffffa6 RBX: ff110000095afa80 RCX: 1ff4000000092eed
[   33.924053][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095afb3c
[   33.924279][   T68] RBP: ff11000004c49000 R08: 1fe22000012b5f69 R09: ff1100000915aed0
[   33.924499][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.924731][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.924971][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   33.925224][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.925416][   T68] CR2: 00007f41bece1000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   33.925648][   T68] PKRU: 55555554
[   33.925783][   T68] Call Trace:
[   33.925932][   T68]  <TASK>
[   33.926040][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.926239][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.926435][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.926614][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   33.926784][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.926964][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   33.927129][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.927299][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   33.927466][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.927638][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.927806][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.927985][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.928153][   T68]  process_one_work (kernel/workqueue.c:3314)
[   33.928324][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.928492][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.928670][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.928852][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.929050][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.929220][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.929386][   T68]  kthread (kernel/kthread.c:436)
[   33.929532][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.929743][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.929924][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.930093][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.930361][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.930535][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.930809][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.935136][   T68] ------------[ cut here ]------------
| [   33.935273][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   33.935528][   T68] Modules linked in: vxlan
| [   33.935945][   T68] Tainted: [W]=WARN
[   33.936039][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.936193][   T68] Workqueue: netns cleanup_net
[   33.936322][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.936485][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.936985][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   33.937140][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14f1c0 RCX: 1ff4000000092eed
[   33.937323][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14f27c
[   33.937505][   T68] RBP: ff1100000a3e4000 R08: 1fe2200001a29e51 R09: ff1100000915aed0
[   33.937743][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.937984][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.938170][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   33.938385][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.938549][   T68] CR2: 00007ff54bf8455f CR3: 000000000fbbd001 CR4: 0000000000771ef0
[   33.938733][   T68] PKRU: 55555554
[   33.938896][   T68] Call Trace:
[   33.938986][   T68]  <TASK>
[   33.939048][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.939206][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.939354][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.939475][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   33.939601][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.939720][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   33.939910][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.940032][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   33.940151][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.940268][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.940391][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.940515][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.940636][   T68]  process_one_work (kernel/workqueue.c:3314)
[   33.940759][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.940950][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.941073][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.941193][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.941311][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.941432][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.941557][   T68]  kthread (kernel/kthread.c:436)
[   33.941647][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.941869][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.941988][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.942108][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.942255][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.942374][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.942493][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.945284][   T68] ------------[ cut here ]------------
| [   33.945453][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   33.945744][   T68] Modules linked in: vxlan
| [   33.946988][   T68] Tainted: [W]=WARN
[   33.947156][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.947356][   T68] Workqueue: netns cleanup_net
[   33.947537][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.947740][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.948257][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   33.948456][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14fa80 RCX: 1ff4000000092eed
[   33.948693][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14fb3c
[   33.948928][   T68] RBP: ff11000008ef4000 R08: 1fe2200001a29f69 R09: ff1100000915aed0
[   33.949153][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.949379][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.949613][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   33.949883][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.950081][   T68] CR2: 00007f41bece1000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   33.950307][   T68] PKRU: 55555554
[   33.950443][   T68] Call Trace:
[   33.950586][   T68]  <TASK>
[   33.950725][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.950934][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.951161][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.951332][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   33.951517][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.951689][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   33.951874][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.952050][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   33.952223][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.952390][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.952569][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.952741][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.952928][   T68]  process_one_work (kernel/workqueue.c:3314)
[   33.953101][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.953265][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.953437][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.953615][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.953875][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.954044][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.954212][   T68]  kthread (kernel/kthread.c:436)
[   33.954381][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.954585][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.954755][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.955043][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.955241][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.955408][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.955585][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.958681][   T68] ------------[ cut here ]------------
| [   33.959268][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   33.959660][   T68] Modules linked in: vxlan
| [   33.960400][   T68] Tainted: [W]=WARN
[   33.960616][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.960816][   T68] Workqueue: netns cleanup_net
[   33.961008][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.961217][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.961712][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   33.961925][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14e200 RCX: 1ff4000000092eed
[   33.962168][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14e2bc
[   33.962399][   T68] RBP: ff1100000f0ec000 R08: 1fe2200001a29c59 R09: ff1100000915aed0
[   33.962631][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.962868][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.963093][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   33.963348][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.963549][   T68] CR2: 00007f41bece1000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   33.963772][   T68] PKRU: 55555554
[   33.963919][   T68] Call Trace:
[   33.964055][   T68]  <TASK>
[   33.964163][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.964364][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.964569][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.964740][   T68]  ? nexthop_net_exit_rtnl (net/ipv4/nexthop.c:2749 (discriminator 1) net/ipv4/nexthop.c:4146 (discriminator 1))
[   33.964923][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.965092][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   33.965257][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.965427][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   33.965604][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.965774][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.965957][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.966159][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.966401][   T68]  process_one_work (kernel/workqueue.c:3314)
[   33.966581][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.966748][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.967005][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.967173][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.967338][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.967517][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.967685][   T68]  kthread (kernel/kthread.c:436)
[   33.967907][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.968104][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.968274][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.968443][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.968725][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.968912][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.969082][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.982133][   T68] ------------[ cut here ]------------
| [   33.982308][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   33.982610][   T68] Modules linked in: vxlan
| [   33.983130][   T68] Tainted: [W]=WARN
[   33.983273][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.983475][   T68] Workqueue: netns cleanup_net
[   33.983661][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.984148][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   33.984706][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   33.984978][   T68] RAX: 00000000ffffffa6 RBX: ff1100000d14e740 RCX: 1ff4000000092eaf
[   33.985267][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14e7fc
[   33.985565][   T68] RBP: ff11000011c44000 R08: 1fe2200001a29d01 R09: ff1100000915aed0
[   33.985865][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   33.986162][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   33.986452][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   33.986780][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.987037][   T68] CR2: 00007f41bece1000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   33.987274][   T68] PKRU: 55555554
[   33.987414][   T68] Call Trace:
[   33.987565][   T68]  <TASK>
[   33.987679][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.987868][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.988012][   T68]  netif_close_many (net/core/dev.c:1804)
[   33.988187][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.988360][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.988540][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.988716][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   33.988902][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.989107][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.989311][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.989486][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.989668][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   33.989855][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.990063][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.990238][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.990414][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.990595][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.990770][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.990960][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.991138][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   33.991312][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.991490][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   33.991675][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.991862][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.992043][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.992221][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.992398][   T68]  process_one_work (kernel/workqueue.c:3314)
[   33.992587][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.992763][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.992956][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.993135][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.993310][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.993488][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.993674][   T68]  kthread (kernel/kthread.c:436)
[   33.993821][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.994040][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.994219][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.994395][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.994609][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.994785][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.994966][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.997934][   T68] ------------[ cut here ]------------
| [   33.998104][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   33.998391][   T68] Modules linked in: vxlan
| [   33.999523][   T68] Tainted: [W]=WARN
[   33.999722][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.000014][   T68] Workqueue: netns cleanup_net
[   34.000235][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.000487][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.001030][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   34.001278][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c786200 RCX: 1ff4000000092ed5
[   34.001560][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7862bc
[   34.001875][   T68] RBP: ff11000011c44000 R08: 1fe22000018f0c59 R09: ff1100000915aed0
[   34.002146][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.002422][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.002706][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   34.003025][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.003271][   T68] CR2: 00007f41bece1000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   34.003550][   T68] PKRU: 55555554
[   34.003732][   T68] Call Trace:
[   34.003926][   T68]  <TASK>
[   34.004084][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.004333][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.004585][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.004804][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   34.005035][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   34.005250][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   34.005465][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   34.005695][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   34.005922][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   34.006136][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.006357][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   34.006583][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.006803][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   34.007035][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.007250][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.007468][   T68]  process_one_work (kernel/workqueue.c:3314)
[   34.007697][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   34.007927][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.008162][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   34.008422][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.008604][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.008782][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   34.008965][   T68]  kthread (kernel/kthread.c:436)
[   34.009107][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.009310][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.009482][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.009662][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   34.009874][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.010048][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   34.010221][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.073079][ T1119] ------------[ cut here ]------------
| [   34.073263][ T1119] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1119
| [   34.073546][ T1119] Modules linked in: vxlan
| [   34.073971][ T1119] Tainted: [W]=WARN
[   34.074075][ T1119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.074244][ T1119] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.074421][ T1119] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.075516][ T1119] RSP: 0018:ffa00000025c7a80 EFLAGS: 00010286
[   34.075703][ T1119] RAX: 00000000ffffffa6 RBX: ff1100000cd8ba80 RCX: 1ff40000004b8f16
[   34.075910][ T1119] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8bb3c
[   34.076115][ T1119] RBP: ff11000011f94000 R08: 1fe22000019b1769 R09: ff1100000fc2ae80
[   34.076319][ T1119] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.076523][ T1119] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011f94000
[   34.076721][ T1119] FS:  00007fd8a41df840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   34.076959][ T1119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.077128][ T1119] CR2: 00007fd8a43e6430 CR3: 00000000098d7003 CR4: 0000000000771ef0
[   34.077325][ T1119] PKRU: 55555554
[   34.077424][ T1119] Call Trace:
[   34.077527][ T1119]  <TASK>
[   34.077595][ T1119]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.077728][ T1119]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.077869][ T1119]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.077972][ T1119]  register_netdevice (net/core/dev.c:11488)
[   34.078109][ T1119]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.078274][ T1119]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.078405][ T1119]  register_netdev (net/core/dev.c:11552)
[   34.078544][ T1119]  loopback_net_init (drivers/net/loopback.c:218)
[   34.078677][ T1119]  ops_init (net/core/net_namespace.c:137)
[   34.078779][ T1119]  setup_net (net/core/net_namespace.c:446)
[   34.078885][ T1119]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.079016][ T1119]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.079149][ T1119]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.079285][ T1119]  copy_net_ns (net/core/net_namespace.c:579)
[   34.079419][ T1119]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.079594][ T1119]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.079727][ T1119]  ksys_unshare (kernel/fork.c:3243)
[   34.079867][ T1119]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.080002][ T1119]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.080135][ T1119]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.080269][ T1119]  ? __ia32_sys_open (fs/open.c:1374)
[   34.080404][ T1119]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.080541][ T1119]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.080676][ T1119]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.080809][ T1119]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.080948][ T1119]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.081079][ T1119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.081245][ T1119] RIP: 0033:0x7fd8a44a1bcb
[   34.081385][ T1119] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   34.082015][ T1119] RSP: 002b:00007ffefd7f9d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.082298][ T1119] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8a44a1bcb
[   34.082587][ T1119] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.082817][ T1119] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.083019][ T1119] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffefd7fbf50
[   34.083215][ T1119] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefd7fc88c
| [   34.088850][ T1119] ------------[ cut here ]------------
| [   34.088996][ T1119] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1119
| [   34.089253][ T1119] Modules linked in: vxlan
| [   34.089660][ T1119] Tainted: [W]=WARN
[   34.089759][ T1119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.090448][ T1119] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.090624][ T1119] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.091148][ T1119] RSP: 0018:ffa00000025c7918 EFLAGS: 00010286
[   34.091315][ T1119] RAX: 00000000ffffffa6 RBX: ff1100000954f700 RCX: 1ff40000004b8ee9
[   34.091519][ T1119] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954f7bc
[   34.091712][ T1119] RBP: ff11000008081000 R08: 1fe22000012a9ef9 R09: ff1100000fc2ae80
[   34.091965][ T1119] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.092215][ T1119] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008081000
[   34.092408][ T1119] FS:  00007fd8a41df840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   34.092643][ T1119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.092805][ T1119] CR2: 00007fd8a43e6430 CR3: 00000000098d7003 CR4: 0000000000771ef0
[   34.093060][ T1119] PKRU: 55555554
[   34.093158][ T1119] Call Trace:
[   34.093255][ T1119]  <TASK>
[   34.093323][ T1119]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.093453][ T1119]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.093589][ T1119]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.093688][ T1119]  register_netdevice (net/core/dev.c:11488)
[   34.093877][ T1119]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.094042][ T1119]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.094175][ T1119]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.094306][ T1119]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.094439][ T1119]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.094577][ T1119]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.094708][ T1119]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.094897][ T1119]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   34.095033][ T1119]  ops_init (net/core/net_namespace.c:137)
[   34.095134][ T1119]  setup_net (net/core/net_namespace.c:446)
[   34.095232][ T1119]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.095363][ T1119]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.095495][ T1119]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.095634][ T1119]  copy_net_ns (net/core/net_namespace.c:579)
[   34.095767][ T1119]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.095959][ T1119]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.096091][ T1119]  ksys_unshare (kernel/fork.c:3243)
[   34.096225][ T1119]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.096355][ T1119]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.096486][ T1119]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.096625][ T1119]  ? __ia32_sys_open (fs/open.c:1374)
[   34.096758][ T1119]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.096949][ T1119]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.097081][ T1119]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.097211][ T1119]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.097342][ T1119]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.097472][ T1119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.097641][ T1119] RIP: 0033:0x7fd8a44a1bcb
[   34.097778][ T1119] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   34.098307][ T1119] RSP: 002b:00007ffefd7f9d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.098505][ T1119] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8a44a1bcb
[   34.098706][ T1119] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.098960][ T1119] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.099151][ T1119] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffefd7fbf50
[   34.099342][ T1119] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefd7fc88c
| [   34.103707][ T1119] ------------[ cut here ]------------
| [   34.103869][ T1119] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1119
| [   34.104140][ T1119] Modules linked in: vxlan
| [   34.104556][ T1119] Tainted: [W]=WARN
[   34.104657][ T1119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.104827][ T1119] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.104998][ T1119] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.105467][ T1119] RSP: 0018:ffa00000025c78f8 EFLAGS: 00010286
[   34.105639][ T1119] RAX: 00000000ffffffa6 RBX: ff1100000947ba80 RCX: 1ff40000004b8ee5
[   34.106363][ T1119] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947bb3c
[   34.106567][ T1119] RBP: ff11000005169000 R08: 1fe220000128f769 R09: ff1100000fc2ae80
[   34.106764][ T1119] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.107017][ T1119] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005169000
[   34.107219][ T1119] FS:  00007fd8a41df840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   34.107448][ T1119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.107620][ T1119] CR2: 00007fd8a43e6430 CR3: 00000000098d7003 CR4: 0000000000771ef0
[   34.107874][ T1119] PKRU: 55555554
[   34.107975][ T1119] Call Trace:
[   34.108075][ T1119]  <TASK>
[   34.108144][ T1119]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.108277][ T1119]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.108410][ T1119]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.108571][ T1119]  register_netdevice (net/core/dev.c:11488)
[   34.108708][ T1119]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.108930][ T1119]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.109065][ T1119]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.109200][ T1119]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.109333][ T1119]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.109468][ T1119]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.109606][ T1119]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.109741][ T1119]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   34.109933][ T1119]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.110070][ T1119]  vti_init_net (net/ipv4/ip_vti.c:517)
[   34.110202][ T1119]  ops_init (net/core/net_namespace.c:137)
[   34.110303][ T1119]  setup_net (net/core/net_namespace.c:446)
[   34.110403][ T1119]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.110539][ T1119]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.110672][ T1119]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.110807][ T1119]  copy_net_ns (net/core/net_namespace.c:579)
[   34.110998][ T1119]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.111136][ T1119]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.111267][ T1119]  ksys_unshare (kernel/fork.c:3243)
[   34.111401][ T1119]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.111593][ T1119]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.111761][ T1119]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.112006][ T1119]  ? __ia32_sys_open (fs/open.c:1374)
[   34.112197][ T1119]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.112389][ T1119]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.112573][ T1119]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.112706][ T1119]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.112897][ T1119]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.113032][ T1119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.113199][ T1119] RIP: 0033:0x7fd8a44a1bcb
[   34.113338][ T1119] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   34.113812][ T1119] RSP: 002b:00007ffefd7f9d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.114068][ T1119] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8a44a1bcb
[   34.114266][ T1119] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.114463][ T1119] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.114666][ T1119] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffefd7fbf50
[   34.114918][ T1119] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefd7fc88c
| [   34.126312][ T1119] ------------[ cut here ]------------
| [   34.126528][ T1119] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1119
| [   34.126903][ T1119] Modules linked in: vxlan
| [   34.127314][ T1119] Tainted: [W]=WARN
[   34.127417][ T1119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.127591][ T1119] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.127764][ T1119] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.128244][ T1119] RSP: 0018:ffa00000025c7a78 EFLAGS: 00010286
[   34.128409][ T1119] RAX: 00000000ffffffa6 RBX: ff1100000b3b7e00 RCX: 1ff40000004b8f15
[   34.128606][ T1119] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b7ebc
[   34.128801][ T1119] RBP: ff1100000e504000 R08: 1fe2200001676fd9 R09: ff1100000fc2ae80
[   34.129000][ T1119] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   34.129194][ T1119] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e504000
[   34.129389][ T1119] FS:  00007fd8a41df840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   34.129627][ T1119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.129789][ T1119] CR2: 000055bc8594c120 CR3: 00000000098d7004 CR4: 0000000000771ef0
[   34.129990][ T1119] PKRU: 55555554
[   34.130088][ T1119] Call Trace:
[   34.130184][ T1119]  <TASK>
[   34.130251][ T1119]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.130382][ T1119]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.130517][ T1119]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.130617][ T1119]  register_netdevice (net/core/dev.c:11488)
[   34.130749][ T1119]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.130914][ T1119]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.131047][ T1119]  register_netdev (net/core/dev.c:11552)
[   34.131177][ T1119]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   34.131310][ T1119]  ops_init (net/core/net_namespace.c:137)
[   34.131412][ T1119]  setup_net (net/core/net_namespace.c:446)
[   34.131516][ T1119]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.131646][ T1119]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.131776][ T1119]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.131914][ T1119]  copy_net_ns (net/core/net_namespace.c:579)
[   34.132048][ T1119]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.132181][ T1119]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.132313][ T1119]  ksys_unshare (kernel/fork.c:3243)
[   34.132443][ T1119]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.132580][ T1119]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.132708][ T1119]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.132843][ T1119]  ? __ia32_sys_open (fs/open.c:1374)
[   34.132974][ T1119]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.133102][ T1119]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.133232][ T1119]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.133360][ T1119]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.133489][ T1119]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.133624][ T1119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.133784][ T1119] RIP: 0033:0x7fd8a44a1bcb
[   34.133923][ T1119] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   34.134385][ T1119] RSP: 002b:00007ffefd7f9d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.134585][ T1119] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8a44a1bcb
[   34.134777][ T1119] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.134975][ T1119] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.135169][ T1119] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffefd7fbf50
[   34.135365][ T1119] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefd7fc88c
| [   34.139595][ T1119] ------------[ cut here ]------------
| [   34.139747][ T1119] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1119
| [   34.140024][ T1119] Modules linked in: vxlan
| [   34.140434][ T1119] Tainted: [W]=WARN
[   34.140545][ T1119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.140713][ T1119] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.140887][ T1119] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.141355][ T1119] RSP: 0018:ffa00000025c7a68 EFLAGS: 00010286
[   34.141525][ T1119] RAX: 00000000ffffffa6 RBX: ff1100000cc7e3c0 RCX: 1ff40000004b8f13
[   34.141722][ T1119] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7e47c
[   34.141923][ T1119] RBP: ff1100000f9cc000 R08: 1fe220000198fc91 R09: ff1100000fc2ae80
[   34.142122][ T1119] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   34.142319][ T1119] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9cc000
[   34.142520][ T1119] FS:  00007fd8a41df840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   34.142748][ T1119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.142923][ T1119] CR2: 000055bc8594c120 CR3: 00000000098d7004 CR4: 0000000000771ef0
[   34.143128][ T1119] PKRU: 55555554
[   34.143231][ T1119] Call Trace:
[   34.143331][ T1119]  <TASK>
[   34.143400][ T1119]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.143540][ T1119]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.143675][ T1119]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.143778][ T1119]  register_netdevice (net/core/dev.c:11488)
[   34.143920][ T1119]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.144093][ T1119]  register_netdev (net/core/dev.c:11552)
[   34.144229][ T1119]  sit_init_net (net/ipv6/sit.c:1860)
[   34.144366][ T1119]  ops_init (net/core/net_namespace.c:137)
[   34.144470][ T1119]  setup_net (net/core/net_namespace.c:446)
[   34.144579][ T1119]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.144714][ T1119]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.144856][ T1119]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.144994][ T1119]  copy_net_ns (net/core/net_namespace.c:579)
[   34.145134][ T1119]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.145272][ T1119]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.145408][ T1119]  ksys_unshare (kernel/fork.c:3243)
[   34.145548][ T1119]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.145684][ T1119]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.145819][ T1119]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.145961][ T1119]  ? __ia32_sys_open (fs/open.c:1374)
[   34.146100][ T1119]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.146235][ T1119]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.146369][ T1119]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.146503][ T1119]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.146643][ T1119]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.146778][ T1119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.146950][ T1119] RIP: 0033:0x7fd8a44a1bcb
[   34.147091][ T1119] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   34.147578][ T1119] RSP: 002b:00007ffefd7f9d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.147781][ T1119] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8a44a1bcb
[   34.147990][ T1119] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.148191][ T1119] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.148392][ T1119] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffefd7fbf50
[   34.148599][ T1119] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefd7fc88c
| [   34.153328][ T1119] ------------[ cut here ]------------
| [   34.153468][ T1119] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1119
| [   34.153734][ T1119] Modules linked in: vxlan
| [   34.154145][ T1119] Tainted: [W]=WARN
[   34.154245][ T1119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.154408][ T1119] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.154588][ T1119] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.155058][ T1119] RSP: 0018:ffa00000025c7a78 EFLAGS: 00010286
[   34.155224][ T1119] RAX: 00000000ffffffa6 RBX: ff1100000d9ce040 RCX: 1ff40000004b8f15
[   34.155421][ T1119] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9ce0fc
[   34.155623][ T1119] RBP: ff1100000a8e4000 R08: 1fe2200001b39c21 R09: ff1100000fc2ae80
[   34.155826][ T1119] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   34.156023][ T1119] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8e4000
[   34.156222][ T1119] FS:  00007fd8a41df840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   34.156450][ T1119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.156621][ T1119] CR2: 000055bc8594c120 CR3: 00000000098d7004 CR4: 0000000000771ef0
[   34.156817][ T1119] PKRU: 55555554
[   34.156920][ T1119] Call Trace:
[   34.157018][ T1119]  <TASK>
[   34.157085][ T1119]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.157217][ T1119]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.157348][ T1119]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.157450][ T1119]  register_netdevice (net/core/dev.c:11488)
[   34.157589][ T1119]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.157752][ T1119]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.157889][ T1119]  register_netdev (net/core/dev.c:11552)
[   34.158022][ T1119]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   34.158153][ T1119]  ops_init (net/core/net_namespace.c:137)
[   34.158255][ T1119]  setup_net (net/core/net_namespace.c:446)
[   34.158353][ T1119]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.158486][ T1119]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.158622][ T1119]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.158756][ T1119]  copy_net_ns (net/core/net_namespace.c:579)
[   34.158893][ T1119]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.159028][ T1119]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.159159][ T1119]  ksys_unshare (kernel/fork.c:3243)
[   34.159293][ T1119]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.159425][ T1119]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.159563][ T1119]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.159696][ T1119]  ? __ia32_sys_open (fs/open.c:1374)
[   34.159834][ T1119]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.159965][ T1119]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.160095][ T1119]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.160225][ T1119]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.160361][ T1119]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.160492][ T1119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.160661][ T1119] RIP: 0033:0x7fd8a44a1bcb
[   34.160797][ T1119] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   34.161267][ T1119] RSP: 002b:00007ffefd7f9d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.161464][ T1119] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8a44a1bcb
[   34.161664][ T1119] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.161862][ T1119] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.162059][ T1119] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffefd7fbf50
[   34.162256][ T1119] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefd7fc88c
| [   34.206166][ T1120] ------------[ cut here ]------------
| [   34.206383][ T1120] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1120
| [   34.206785][ T1120] Modules linked in: vxlan
| [   34.208045][ T1120] Tainted: [W]=WARN
[   34.208204][ T1120] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.208456][ T1120] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.208724][ T1120] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.209451][ T1120] RSP: 0018:ffa00000025a7020 EFLAGS: 00010286
[   34.209708][ T1120] RAX: 00000000ffffffa6 RBX: ff1100000d9cfc40 RCX: 1ff40000004b4dca
[   34.210019][ T1120] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9cfcfc
[   34.210317][ T1120] RBP: ff11000011f94000 R08: 1fe2200001b39fa1 R09: ff1100000fc28b58
[   34.210619][ T1120] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   34.210923][ T1120] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.211226][ T1120] FS:  00007f3a906ff840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   34.211582][ T1120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.211841][ T1120] CR2: 0000000007804988 CR3: 0000000011f72006 CR4: 0000000000771ef0
[   34.212144][ T1120] PKRU: 55555554
[   34.212293][ T1120] Call Trace:
[   34.212444][ T1120]  <TASK>
[   34.212555][ T1120]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.212760][ T1120]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.212921][ T1120]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.213121][ T1120]  __dev_notify_flags (net/core/dev.c:9787)
[   34.213324][ T1120]  ? netif_change_name (net/core/dev.c:1495)
[   34.213529][ T1120]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.213733][ T1120]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.213942][ T1120]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.214144][ T1120]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   34.214350][ T1120]  netif_change_flags (net/core/dev.c:9820)
[   34.214555][ T1120]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.214757][ T1120]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.214969][ T1120]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.215173][ T1120]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.215426][ T1120]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.215631][ T1120]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.215837][ T1120]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.216038][ T1120]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.216241][ T1120]  ? __kernel_text_address (kernel/extable.c:79)
[   34.216444][ T1120]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.216652][ T1120]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.216861][ T1120]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.217062][ T1120]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.217262][ T1120]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.217461][ T1120]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.217665][ T1120]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.217872][ T1120]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.218075][ T1120]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   34.218277][ T1120]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.218478][ T1120]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.218686][ T1120]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.218897][ T1120]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.219106][ T1120]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.219311][ T1120]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.219518][ T1120]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.219719][ T1120]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.219931][ T1120]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.220131][ T1120]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.220334][ T1120]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.220537][ T1120]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.220737][ T1120]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.220941][ T1120]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.221144][ T1120]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.221345][ T1120]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.221557][ T1120]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.221758][ T1120]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.221965][ T1120]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.222169][ T1120]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.222368][ T1120]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.222574][ T1120]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.222775][ T1120]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.222984][ T1120]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.223192][ T1120]  ? 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))
[   34.223392][ T1120]  ? 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))
[   34.223601][ T1120]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.223803][ T1120]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.224012][ T1120]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.224215][ T1120]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.224417][ T1120]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.224627][ T1120]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.224837][ T1120]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.225039][ T1120]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.225238][ T1120]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.225486][ T1120]  ? move_addr_to_kernel (net/socket.c:258)
[   34.225694][ T1120]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.225904][ T1120]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.226113][ T1120]  ___sys_sendmsg (net/socket.c:2752)
[   34.226312][ T1120]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.226566][ T1120]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.226818][ T1120]  __sys_sendmsg (net/socket.c:2784)
[   34.227027][ T1120]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.227224][ T1120]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.227476][ T1120]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.227682][ T1120]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.227891][ T1120]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.228092][ T1120]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.228292][ T1120]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.228493][ T1120]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.228747][ T1120] RIP: 0033:0x7f3a9093908e
[   34.228963][ T1120] 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
[   34.229681][ T1120] RSP: 002b:00007ffc206cc5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.229990][ T1120] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3a9093908e
[   34.230288][ T1120] RDX: 0000000000000000 RSI: 00007ffc206cc660 RDI: 0000000000000005
[   34.230593][ T1120] RBP: 00007ffc206cc5c0 R08: 0000000000000000 R09: 0000000000000000
[   34.230898][ T1120] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c1
[   34.231200][ T1120] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc206ccd30
| [   34.354108][ T1123] ------------[ cut here ]------------
| [   34.354286][ T1123] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1123
| [   34.354576][ T1123] Modules linked in: vxlan
| [   34.355025][ T1123] Tainted: [W]=WARN
[   34.355133][ T1123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.355310][ T1123] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.355496][ T1123] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.356009][ T1123] RSP: 0018:ffa00000026a6fd0 EFLAGS: 00010286
[   34.356189][ T1123] RAX: 00000000ffffffa6 RBX: ff11000009c4d700 RCX: 1ff40000004d4dc0
[   34.356399][ T1123] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4d7bc
[   34.356617][ T1123] RBP: ff1100000f5b2000 R08: 1fe2200001389af9 R09: ff11000009c8d180
[   34.356835][ T1123] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.357044][ T1123] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5b2e44
[   34.357254][ T1123] FS:  00007f1180609840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   34.357502][ T1123] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.357689][ T1123] CR2: 0000000000437490 CR3: 000000000b731003 CR4: 0000000000771ef0
[   34.357908][ T1123] PKRU: 55555554
[   34.358016][ T1123] Call Trace:
[   34.358124][ T1123]  <TASK>
[   34.358198][ T1123]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.358341][ T1123]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   34.358491][ T1123]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.358607][ T1123]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   34.358750][ T1123]  __dev_notify_flags (net/core/dev.c:9787)
[   34.359952][ T1123]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.360224][ T1123]  ? netif_change_name (net/core/dev.c:1495)
[   34.360370][ T1123]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   34.360520][ T1123]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   34.360664][ T1123] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   34.360810][ T1123]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   34.361077][ T1123] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   34.361222][ T1123]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   34.361369][ T1123]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   34.361515][ T1123]  ? nla_strscpy (lib/nlattr.c:795)
[   34.361660][ T1123]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   34.361803][ T1123]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   34.362054][ T1123]  ? __dev_get_by_name (net/core/dev.c:883)
[   34.362196][ T1123]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   34.362343][ T1123]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   34.362488][ T1123]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.362638][ T1123]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.362781][ T1123]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.363017][ T1123]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.363159][ T1123]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.363300][ T1123]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.363451][ T1123]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.363605][ T1123]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.363754][ T1123]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.363987][ T1123]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.364132][ T1123]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.364274][ T1123]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.364418][ T1123]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.364563][ T1123]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.364705][ T1123]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.364947][ T1123]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.365089][ T1123]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.365235][ T1123]  ? 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))
[   34.365379][ T1123]  ? 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))
[   34.365524][ T1123]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.365665][ T1123]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.365806][ T1123]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.366032][ T1123]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.366177][ T1123]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.366318][ T1123]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.366463][ T1123]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.366614][ T1123]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.366756][ T1123]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.366977][ T1123]  ? move_addr_to_kernel (net/socket.c:258)
[   34.367123][ T1123]  ___sys_sendmsg (net/socket.c:2752)
[   34.367264][ T1123]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.367405][ T1123]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.367562][ T1123]  ? 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))
[   34.367704][ T1123]  __sys_sendmsg (net/socket.c:2784)
[   34.367852][ T1123]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.367997][ T1123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.368139][ T1123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.368282][ T1123]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.368424][ T1123]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.368571][ T1123]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.368713][ T1123]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.368892][ T1123] RIP: 0033:0x7f118084308e
[   34.369041][ T1123] 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
[   34.369546][ T1123] RSP: 002b:00007fff92a785e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.369760][ T1123] RAX: ffffffffffffffda RBX: 00007fff92a78d90 RCX: 00007f118084308e
[   34.369976][ T1123] RDX: 0000000000000000 RSI: 00007fff92a78690 RDI: 0000000000000005
[   34.370187][ T1123] RBP: 00007fff92a785f0 R08: 0000000000000000 R09: 0000000000000000
[   34.370453][ T1123] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c1
[   34.370745][ T1123] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff92a78d60
| [   34.412800][ T1124] ------------[ cut here ]------------
| [   34.412979][ T1124] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1124
| [   34.413263][ T1124] Modules linked in: vxlan
| [   34.413701][ T1124] Tainted: [W]=WARN
[   34.413807][ T1124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.413990][ T1124] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.414178][ T1124] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.414678][ T1124] RSP: 0018:ffa0000002696fd0 EFLAGS: 00010286
[   34.414922][ T1124] RAX: 00000000ffffffa6 RBX: ff110000095aec80 RCX: 1ff40000004d2dc0
[   34.415131][ T1124] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095aed3c
[   34.415341][ T1124] RBP: ff1100000fbd2000 R08: 1fe22000012b5da9 R09: ff1100000f060b80
[   34.415552][ T1124] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.415760][ T1124] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbd2e44
[   34.416030][ T1124] FS:  00007f7d468f6840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   34.416273][ T1124] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.416538][ T1124] CR2: 00007f7d46aef460 CR3: 000000000fa94001 CR4: 0000000000771ef0
[   34.416748][ T1124] PKRU: 55555554
[   34.416936][ T1124] Call Trace:
[   34.417041][ T1124]  <TASK>
[   34.417113][ T1124]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.417253][ T1124]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   34.417399][ T1124]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.417504][ T1124]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   34.417652][ T1124]  __dev_notify_flags (net/core/dev.c:9787)
[   34.417794][ T1124]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.418012][ T1124]  ? netif_change_name (net/core/dev.c:1495)
[   34.418155][ T1124]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   34.418298][ T1124]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   34.418440][ T1124] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   34.418587][ T1124]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   34.418733][ T1124] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   34.418946][ T1124]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   34.419092][ T1124]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   34.419230][ T1124]  ? nla_strscpy (lib/nlattr.c:795)
[   34.419371][ T1124]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   34.419517][ T1124]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   34.419655][ T1124]  ? __dev_get_by_name (net/core/dev.c:883)
[   34.419795][ T1124]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   34.420093][ T1124]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   34.420241][ T1124]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.420382][ T1124]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.420525][ T1124]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.420665][ T1124]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.420803][ T1124]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.420948][ T1124]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.421094][ T1124]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.421232][ T1124]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.421372][ T1124]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.421518][ T1124]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.421655][ T1124]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.421794][ T1124]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.421940][ T1124]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.422080][ T1124]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.422220][ T1124]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.422361][ T1124]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.422499][ T1124]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.422647][ T1124]  ? 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))
[   34.422785][ T1124]  ? 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))
[   34.422931][ T1124]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.423073][ T1124]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.423212][ T1124]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.423355][ T1124]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.423495][ T1124]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.423641][ T1124]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.423784][ T1124]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.423929][ T1124]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.424070][ T1124]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.424244][ T1124]  ? move_addr_to_kernel (net/socket.c:258)
[   34.424389][ T1124]  ___sys_sendmsg (net/socket.c:2752)
[   34.424533][ T1124]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.424673][ T1124]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.424826][ T1124]  ? 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))
[   34.424972][ T1124]  __sys_sendmsg (net/socket.c:2784)
[   34.425111][ T1124]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.425256][ T1124]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.425398][ T1124]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.425544][ T1124]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.425684][ T1124]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.425829][ T1124]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.425970][ T1124]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.426144][ T1124] RIP: 0033:0x7f7d46b3008e
[   34.426289][ T1124] 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
[   34.426787][ T1124] RSP: 002b:00007ffc9df0a850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.427004][ T1124] RAX: ffffffffffffffda RBX: 00007ffc9df0b000 RCX: 00007f7d46b3008e
[   34.427214][ T1124] RDX: 0000000000000000 RSI: 00007ffc9df0a900 RDI: 0000000000000005
[   34.427421][ T1124] RBP: 00007ffc9df0a860 R08: 0000000000000000 R09: 0000000000000000
[   34.427634][ T1124] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c1
[   34.427848][ T1124] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9df0afd0
| [   34.463780][ T1125] ------------[ cut here ]------------
| [   34.463941][ T1125] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1125
| [   34.464213][ T1125] Modules linked in: vxlan
| [   34.464634][ T1125] Tainted: [W]=WARN
[   34.464738][ T1125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.464914][ T1125] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.465089][ T1125] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.465571][ T1125] RSP: 0018:ffa00000026b71b0 EFLAGS: 00010286
[   34.465741][ T1125] RAX: 00000000ffffffa6 RBX: ff1100000cc7e580 RCX: 1ff40000004d6dfc
[   34.465944][ T1125] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7e63c
[   34.466144][ T1125] RBP: ff1100000f492000 R08: 1fe220000198fcc9 R09: ff1100000f062e80
[   34.466344][ T1125] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.466545][ T1125] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   34.466746][ T1125] FS:  00007f475f4da840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   34.466986][ T1125] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.467155][ T1125] CR2: 00007f475f841ee3 CR3: 000000000fa92003 CR4: 0000000000771ef0
[   34.467354][ T1125] PKRU: 55555554
[   34.467455][ T1125] Call Trace:
[   34.467560][ T1125]  <TASK>
[   34.467631][ T1125]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.467769][ T1125]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.467876][ T1125]  __dev_notify_flags (net/core/dev.c:9787)
[   34.468013][ T1125]  ? netif_change_name (net/core/dev.c:1495)
[   34.468146][ T1125]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.468311][ T1125]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.468446][ T1125]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   34.468585][ T1125]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   34.468723][ T1125]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   34.468864][ T1125]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   34.468996][ T1125]  ? __dev_get_by_name (net/core/dev.c:883)
[   34.469130][ T1125]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   34.469269][ T1125]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   34.469406][ T1125]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.469548][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.469681][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.469815][ T1125]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.469952][ T1125]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.470083][ T1125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.470220][ T1125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.470355][ T1125]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.470489][ T1125]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.470626][ T1125]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.470759][ T1125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.470896][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.471031][ T1125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.471162][ T1125]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.471295][ T1125]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.471429][ T1125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.471569][ T1125]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.471708][ T1125]  ? 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))
[   34.471848][ T1125]  ? 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))
[   34.471984][ T1125]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.472121][ T1125]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.472255][ T1125]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.472391][ T1125]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.472531][ T1125]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.472666][ T1125]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.472803][ T1125]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.472947][ T1125]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.473083][ T1125]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.473249][ T1125]  ? move_addr_to_kernel (net/socket.c:258)
[   34.473386][ T1125]  ___sys_sendmsg (net/socket.c:2752)
[   34.473521][ T1125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.473654][ T1125]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.473798][ T1125]  ? 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))
[   34.473941][ T1125]  __sys_sendmsg (net/socket.c:2784)
[   34.474075][ T1125]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.474214][ T1125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.474347][ T1125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.474481][ T1125]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.474618][ T1125]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.474752][ T1125]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.474892][ T1125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.475059][ T1125] RIP: 0033:0x7f475f71408e
[   34.475199][ T1125] 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
[   34.475680][ T1125] RSP: 002b:00007ffd084b13d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.475889][ T1125] RAX: ffffffffffffffda RBX: 00007ffd084b1b78 RCX: 00007f475f71408e
[   34.476090][ T1125] RDX: 0000000000000000 RSI: 00007ffd084b1480 RDI: 0000000000000005
[   34.476288][ T1125] RBP: 00007ffd084b13e0 R08: 0000000000000000 R09: 0000000000000000
[   34.476487][ T1125] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c1
[   34.476691][ T1125] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd084b1b50
| [   34.510248][ T1126] ------------[ cut here ]------------
| [   34.510403][ T1126] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1126
| [   34.510678][ T1126] Modules linked in: vxlan
| [   34.511099][ T1126] Tainted: [W]=WARN
[   34.511201][ T1126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.511368][ T1126] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.511571][ T1126] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.512053][ T1126] RSP: 0018:ffa00000026c71b0 EFLAGS: 00010286
[   34.512221][ T1126] RAX: 00000000ffffffa6 RBX: ff1100000cdf1000 RCX: 1ff40000004d8dfc
[   34.512421][ T1126] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdf10bc
[   34.512625][ T1126] RBP: ff1100000539a000 R08: 1fe22000019be219 R09: ff1100000f065180
[   34.512832][ T1126] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.513033][ T1126] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   34.513234][ T1126] FS:  00007f3aa9a83840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   34.513470][ T1126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.513644][ T1126] CR2: 00007f3aa9c7c460 CR3: 000000000f17f001 CR4: 0000000000771ef0
[   34.513882][ T1126] PKRU: 55555554
[   34.513986][ T1126] Call Trace:
[   34.514088][ T1126]  <TASK>
[   34.514158][ T1126]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.514297][ T1126]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.514400][ T1126]  __dev_notify_flags (net/core/dev.c:9787)
[   34.514545][ T1126]  ? netif_change_name (net/core/dev.c:1495)
[   34.514682][ T1126]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.514856][ T1126]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.514993][ T1126]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   34.515127][ T1126]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   34.515263][ T1126]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   34.515399][ T1126]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   34.515541][ T1126]  ? __dev_get_by_name (net/core/dev.c:883)
[   34.515675][ T1126]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   34.515817][ T1126]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   34.515963][ T1126]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.516100][ T1126]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.516233][ T1126]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.516367][ T1126]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.516502][ T1126]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.516641][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.516779][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.516920][ T1126]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.517056][ T1126]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.517189][ T1126]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.517323][ T1126]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.517456][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.517597][ T1126]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.517732][ T1126]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.517873][ T1126]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.518007][ T1126]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.518141][ T1126]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.518279][ T1126]  ? 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))
[   34.518410][ T1126]  ? 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))
[   34.518549][ T1126]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.518687][ T1126]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.518826][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.518961][ T1126]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.519095][ T1126]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.519229][ T1126]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.519365][ T1126]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.519499][ T1126]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.519637][ T1126]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.519804][ T1126]  ? move_addr_to_kernel (net/socket.c:258)
[   34.519948][ T1126]  ___sys_sendmsg (net/socket.c:2752)
[   34.520081][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.520214][ T1126]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.520358][ T1126]  ? 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))
[   34.520496][ T1126]  __sys_sendmsg (net/socket.c:2784)
[   34.520639][ T1126]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.520777][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.520919][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.521055][ T1126]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.521190][ T1126]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.521323][ T1126]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.521456][ T1126]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.521626][ T1126] RIP: 0033:0x7f3aa9cbd08e
[   34.521768][ T1126] 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
[   34.522251][ T1126] RSP: 002b:00007ffead96f0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.522455][ T1126] RAX: ffffffffffffffda RBX: 00007ffead96f868 RCX: 00007f3aa9cbd08e
[   34.522662][ T1126] RDX: 0000000000000000 RSI: 00007ffead96f170 RDI: 0000000000000005
[   34.522867][ T1126] RBP: 00007ffead96f0d0 R08: 0000000000000000 R09: 0000000000000000
[   34.523069][ T1126] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c1
[   34.523272][ T1126] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffead96f840
| [   34.549776][ T1127] ------------[ cut here ]------------
| [   34.550495][ T1127] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1127
| [   34.550762][ T1127] Modules linked in: vxlan
| [   34.551155][ T1127] Tainted: [W]=WARN
[   34.551251][ T1127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.551407][ T1127] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.551575][ T1127] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.552026][ T1127] RSP: 0018:ffa00000026d7190 EFLAGS: 00010286
[   34.552184][ T1127] RAX: 00000000ffffffa6 RBX: ff1100000cdf0c80 RCX: 1ff40000004dadf8
[   34.552370][ T1127] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdf0d3c
[   34.552570][ T1127] RBP: ff1100000f5b2000 R08: 1fe22000019be1a9 R09: ff11000004ddae58
[   34.552755][ T1127] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.552948][ T1127] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   34.553138][ T1127] FS:  00007f4e2bfb2840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   34.553357][ T1127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.553519][ T1127] CR2: 00007f4e2c2821a0 CR3: 000000000b45f004 CR4: 0000000000771ef0
[   34.553710][ T1127] PKRU: 55555554
[   34.553806][ T1127] Call Trace:
[   34.553906][ T1127]  <TASK>
[   34.553971][ T1127]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   34.554133][ T1127]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   34.554291][ T1127]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.554419][ T1127]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   34.554550][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.554677][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.554801][ T1127]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.554933][ T1127]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.555059][ T1127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.555201][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.555326][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.555452][ T1127]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.555583][ T1127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.555709][ T1127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.555838][ T1127]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   34.555966][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.556090][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.556214][ T1127]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.556339][ T1127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.556470][ T1127]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   34.556603][ T1127]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.556732][ T1127]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.556864][ T1127]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.556990][ T1127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.557117][ T1127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.557242][ T1127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.557368][ T1127]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.557493][ T1127]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.557627][ T1127]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.557755][ T1127]  ? 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))
[   34.557886][ T1127]  ? 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))
[   34.558016][ T1127]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.558147][ T1127]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.558280][ T1127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.558407][ T1127]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.558542][ T1127]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.558668][ T1127]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.558794][ T1127]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.558923][ T1127]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.559047][ T1127]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.559202][ T1127]  ? move_addr_to_kernel (net/socket.c:258)
[   34.559326][ T1127]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.559453][ T1127]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.559586][ T1127]  ___sys_sendmsg (net/socket.c:2752)
[   34.559711][ T1127]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.559870][ T1127]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.560007][ T1127]  __sys_sendmsg (net/socket.c:2784)
[   34.560135][ T1127]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.560259][ T1127]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.560417][ T1127]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.560549][ T1127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.560676][ T1127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.560802][ T1127]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.560931][ T1127]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.561056][ T1127]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.561210][ T1127] RIP: 0033:0x7f4e2c1ec08e
[   34.561341][ T1127] 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
[   34.561791][ T1127] RSP: 002b:00007ffde1ab7530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.561985][ T1127] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4e2c1ec08e
[   34.562170][ T1127] RDX: 0000000000000000 RSI: 00007ffde1ab75e0 RDI: 0000000000000005
[   34.562358][ T1127] RBP: 00007ffde1ab7540 R08: 0000000000000000 R09: 0000000000000000
[   34.562550][ T1127] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c1
[   34.562736][ T1127] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde1ab7cb0
| [   34.614301][ T1128] ------------[ cut here ]------------
| [   34.614477][ T1128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1128
| [   34.614765][ T1128] Modules linked in: vxlan
| [   34.615206][ T1128] Tainted: [W]=WARN
[   34.615315][ T1128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.615503][ T1128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.615693][ T1128] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   34.616207][ T1128] RSP: 0018:ffa00000026e6fd0 EFLAGS: 00010286
[   34.616400][ T1128] RAX: 00000000ffffffa6 RBX: ff1100000c787380 RCX: 1ff40000004dcdc0
[   34.616707][ T1128] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c78743c
[   34.617015][ T1128] RBP: ff1100000a182000 R08: 1fe22000018f0e89 R09: ff11000009c8ae80
[   34.617311][ T1128] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.617594][ T1128] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a182e44
[   34.617806][ T1128] FS:  00007f03f86ad840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   34.618059][ T1128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.618234][ T1128] CR2: 0000000000437490 CR3: 0000000001f86005 CR4: 0000000000771ef0
[   34.618445][ T1128] PKRU: 55555554
[   34.618557][ T1128] Call Trace:
[   34.618662][ T1128]  <TASK>
[   34.618736][ T1128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.618883][ T1128]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   34.619031][ T1128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.619140][ T1128]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   34.619282][ T1128]  __dev_notify_flags (net/core/dev.c:9787)
[   34.619422][ T1128]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.619570][ T1128]  ? netif_change_name (net/core/dev.c:1495)
[   34.619710][ T1128]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   34.619859][ T1128]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   34.620002][ T1128] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   34.620148][ T1128]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   34.620292][ T1128] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   34.620436][ T1128]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   34.620591][ T1128]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   34.620734][ T1128]  ? nla_strscpy (lib/nlattr.c:795)
[   34.620888][ T1128]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   34.621038][ T1128]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   34.621197][ T1128]  ? __dev_get_by_name (net/core/dev.c:883)
[   34.621342][ T1128]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   34.621494][ T1128]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   34.621653][ T1128]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.621803][ T1128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.621954][ T1128]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.622101][ T1128]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.622248][ T1128]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.622393][ T1128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.622548][ T1128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.622694][ T1128]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.622845][ T1128]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.622989][ T1128]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.623132][ T1128]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.623278][ T1128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.623422][ T1128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.623567][ T1128]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.623708][ T1128]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.623855][ T1128]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.623995][ T1128]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.624141][ T1128]  ? 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))
[   34.624281][ T1128]  ? 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))
[   34.624425][ T1128]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.624572][ T1128]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.624713][ T1128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.624861][ T1128]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.625004][ T1128]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.625146][ T1128]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.625289][ T1128]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.625431][ T1128]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.625577][ T1128]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.625752][ T1128]  ? move_addr_to_kernel (net/socket.c:258)
[   34.625903][ T1128]  ___sys_sendmsg (net/socket.c:2752)
[   34.626044][ T1128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.626186][ T1128]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.626337][ T1128]  ? 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))
[   34.626483][ T1128]  __sys_sendmsg (net/socket.c:2784)
[   34.626632][ T1128]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.626778][ T1128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.626924][ T1128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.627067][ T1128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.627207][ T1128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.627349][ T1128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.627491][ T1128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.627673][ T1128] RIP: 0033:0x7f03f88e708e
[   34.627819][ T1128] 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
[   34.628328][ T1128] RSP: 002b:00007ffc3a354190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.628549][ T1128] RAX: ffffffffffffffda RBX: 00007ffc3a354940 RCX: 00007f03f88e708e
[   34.628759][ T1128] RDX: 0000000000000000 RSI: 00007ffc3a354240 RDI: 0000000000000005
[   34.628973][ T1128] RBP: 00007ffc3a3541a0 R08: 0000000000000000 R09: 0000000000000000
[   34.629182][ T1128] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c1
[   34.629392][ T1128] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3a354910
| [   35.636453][ T1199] ------------[ cut here ]------------
| [   35.636692][ T1199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1199
| [   35.637057][ T1199] Modules linked in: vxlan
| [   35.637455][ T1199] Tainted: [W]=WARN
[   35.637587][ T1199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.637773][ T1199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.638024][ T1199] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.638651][ T1199] RSP: 0018:ffa0000002827190 EFLAGS: 00010286
[   35.638932][ T1199] RAX: 00000000ffffffa6 RBX: ff1100000ff6b700 RCX: 1ff4000000504df8
[   35.639204][ T1199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6b7bc
[   35.639470][ T1199] RBP: ff1100000539a000 R08: 1fe2200001fed6f9 R09: ff11000004c6ae58
[   35.639743][ T1199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.640047][ T1199] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.640318][ T1199] FS:  00007f1b89fce840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   35.640639][ T1199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.640818][ T1199] CR2: 000000003df13988 CR3: 0000000011f59004 CR4: 0000000000771ef0
[   35.641078][ T1199] PKRU: 55555554
[   35.641185][ T1199] Call Trace:
[   35.641297][ T1199]  <TASK>
[   35.641389][ T1199]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.641607][ T1199]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.641803][ T1199]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.642036][ T1199]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.642220][ T1199]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.642430][ T1199]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.642565][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.642720][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.642958][ T1199]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.643090][ T1199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.643272][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.643475][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.643663][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.643919][ T1199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.644099][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.644282][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.644464][ T1199]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   35.644657][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.644897][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.645078][ T1199]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.645263][ T1199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.645449][ T1199]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.645613][ T1199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.645741][ T1199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.645951][ T1199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.646102][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.646240][ T1199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.646382][ T1199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.646518][ T1199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.646661][ T1199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.646887][ T1199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.647074][ T1199]  ? 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))
[   35.647237][ T1199]  ? 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))
[   35.647417][ T1199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.647580][ T1199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.647710][ T1199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.647885][ T1199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.648069][ T1199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.648250][ T1199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.648426][ T1199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.648611][ T1199]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.648788][ T1199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.649019][ T1199]  ? move_addr_to_kernel (net/socket.c:258)
[   35.649199][ T1199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.649380][ T1199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.649532][ T1199]  ___sys_sendmsg (net/socket.c:2752)
[   35.649658][ T1199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.649813][ T1199]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.649954][ T1199]  __sys_sendmsg (net/socket.c:2784)
[   35.650082][ T1199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.650207][ T1199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.650390][ T1199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.650528][ T1199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.650657][ T1199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.650783][ T1199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.650913][ T1199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.651068][ T1199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.651270][ T1199] RIP: 0033:0x7f1b8a20808e
[   35.651459][ T1199] 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
[   35.652053][ T1199] RSP: 002b:00007ffc18b49d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.652329][ T1199] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1b8a20808e
[   35.652572][ T1199] RDX: 0000000000000000 RSI: 00007ffc18b49e20 RDI: 0000000000000005
[   35.652841][ T1199] RBP: 00007ffc18b49d80 R08: 0000000000000000 R09: 0000000000000000
[   35.653172][ T1199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c2
[   35.653409][ T1199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc18b4a4f0
| [   35.701194][ T1200] ------------[ cut here ]------------
| [   35.701349][ T1200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1200
| [   35.701606][ T1200] Modules linked in: vxlan
| [   35.702397][ T1200] Tainted: [W]=WARN
[   35.702494][ T1200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.702652][ T1200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.702814][ T1200] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.703263][ T1200] RSP: 0018:ffa0000002687190 EFLAGS: 00010286
[   35.703422][ T1200] RAX: 00000000ffffffa6 RBX: ff1100000c936900 RCX: 1ff40000004d0df8
[   35.703614][ T1200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9369bc
[   35.703799][ T1200] RBP: ff1100000f492000 R08: 1fe2200001926d39 R09: ff11000004c6d158
[   35.703992][ T1200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.704179][ T1200] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.704365][ T1200] FS:  00007f005122a840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   35.704587][ T1200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.704744][ T1200] CR2: 00000000371a7988 CR3: 0000000004c79006 CR4: 0000000000771ef0
[   35.704941][ T1200] PKRU: 55555554
[   35.705033][ T1200] Call Trace:
[   35.705126][ T1200]  <TASK>
[   35.705190][ T1200]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.705350][ T1200]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.705509][ T1200]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.705642][ T1200]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.705768][ T1200]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.705930][ T1200]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.706058][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.706182][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.706306][ T1200]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.706429][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.706554][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.706699][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.706827][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.706952][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.707075][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.707199][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.707323][ T1200]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   35.707454][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.707587][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.707713][ T1200]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.707844][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.707970][ T1200]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.708096][ T1200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.708220][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.708346][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.708471][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.708602][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.708727][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.708857][ T1200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.708982][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.709109][ T1200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.709243][ T1200]  ? 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))
[   35.709367][ T1200]  ? 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))
[   35.709493][ T1200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.709622][ T1200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.709747][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.709881][ T1200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.710006][ T1200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.710130][ T1200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.710261][ T1200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.710387][ T1200]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.710510][ T1200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.710667][ T1200]  ? move_addr_to_kernel (net/socket.c:258)
[   35.710790][ T1200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.710920][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.711050][ T1200]  ___sys_sendmsg (net/socket.c:2752)
[   35.711173][ T1200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.711327][ T1200]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.711465][ T1200]  __sys_sendmsg (net/socket.c:2784)
[   35.711595][ T1200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.711718][ T1200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.711936][ T1200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.712061][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.712188][ T1200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.712314][ T1200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.712447][ T1200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.712576][ T1200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.712731][ T1200] RIP: 0033:0x7f005146408e
[   35.712939][ T1200] 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
[   35.713441][ T1200] RSP: 002b:00007ffef9bf3ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.713637][ T1200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f005146408e
[   35.713906][ T1200] RDX: 0000000000000000 RSI: 00007ffef9bf3c50 RDI: 0000000000000005
[   35.714092][ T1200] RBP: 00007ffef9bf3bb0 R08: 0000000000000000 R09: 0000000000000000
[   35.714281][ T1200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c2
[   35.714467][ T1200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef9bf4320
| [   35.756348][ T1201] ------------[ cut here ]------------
| [   35.756538][ T1201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1201
| [   35.756850][ T1201] Modules linked in: vxlan
| [   35.757326][ T1201] Tainted: [W]=WARN
[   35.757467][ T1201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.757680][ T1201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.758076][ T1201] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.758649][ T1201] RSP: 0018:ffa0000002867190 EFLAGS: 00010286
[   35.758949][ T1201] RAX: 00000000ffffffa6 RBX: ff1100000bc11380 RCX: 1ff400000050cdf8
[   35.759256][ T1201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc1143c
[   35.759577][ T1201] RBP: ff1100000fbd2000 R08: 1fe2200001782289 R09: ff1100000f07d158
[   35.759896][ T1201] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.760194][ T1201] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.760478][ T1201] FS:  00007f7d55ffd840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   35.760797][ T1201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.761062][ T1201] CR2: 000000000d906988 CR3: 0000000004c66005 CR4: 0000000000771ef0
[   35.761394][ T1201] PKRU: 55555554
[   35.761548][ T1201] Call Trace:
[   35.761689][ T1201]  <TASK>
[   35.761804][ T1201]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.762028][ T1201]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.762232][ T1201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.762405][ T1201]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.762587][ T1201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.762758][ T1201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.762943][ T1201]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.763115][ T1201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.763287][ T1201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.763476][ T1201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.763654][ T1201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.763840][ T1201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.764011][ T1201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.764183][ T1201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.764354][ T1201]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   35.764534][ T1201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.764706][ T1201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.764892][ T1201]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.765066][ T1201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.765238][ T1201]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.765411][ T1201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.765589][ T1201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.765759][ T1201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.765939][ T1201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.766112][ T1201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.766287][ T1201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.766458][ T1201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.766637][ T1201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.766809][ T1201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.766996][ T1201]  ? 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))
[   35.767166][ T1201]  ? 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))
[   35.767339][ T1201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.767522][ T1201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.767694][ T1201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.767880][ T1201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.768053][ T1201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.768224][ T1201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.768398][ T1201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.768577][ T1201]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.768749][ T1201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.768960][ T1201]  ? move_addr_to_kernel (net/socket.c:258)
[   35.769133][ T1201]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.769306][ T1201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.769479][ T1201]  ___sys_sendmsg (net/socket.c:2752)
[   35.769653][ T1201]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.769870][ T1201]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.770056][ T1201]  __sys_sendmsg (net/socket.c:2784)
[   35.770231][ T1201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.770404][ T1201]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.770622][ T1201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.770794][ T1201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.770980][ T1201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.771155][ T1201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.771326][ T1201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.771498][ T1201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.771707][ T1201] RIP: 0033:0x7f7d5623708e
[   35.771897][ T1201] 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
[   35.772385][ T1201] RSP: 002b:00007ffde4f1d670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.772626][ T1201] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7d5623708e
[   35.772870][ T1201] RDX: 0000000000000000 RSI: 00007ffde4f1d720 RDI: 0000000000000005
[   35.773102][ T1201] RBP: 00007ffde4f1d680 R08: 0000000000000000 R09: 0000000000000000
[   35.773332][ T1201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c2
[   35.773570][ T1201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde4f1ddf0
| [   35.816682][ T1202] ------------[ cut here ]------------
| [   35.817356][ T1202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1202
| [   35.817612][ T1202] Modules linked in: vxlan
| [   35.818000][ T1202] Tainted: [W]=WARN
[   35.818095][ T1202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.818252][ T1202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.818415][ T1202] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.818867][ T1202] RSP: 0018:ffa0000002877190 EFLAGS: 00010286
[   35.819027][ T1202] RAX: 00000000ffffffa6 RBX: ff1100000cb83540 RCX: 1ff400000050edf8
[   35.819211][ T1202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb835fc
[   35.819399][ T1202] RBP: ff1100000a182000 R08: 1fe22000019706c1 R09: ff1100000f078b58
[   35.819589][ T1202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.819772][ T1202] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.819965][ T1202] FS:  00007f18c37dd840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   35.820183][ T1202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.820336][ T1202] CR2: 000000001101c988 CR3: 000000000b41a003 CR4: 0000000000771ef0
[   35.820527][ T1202] PKRU: 55555554
[   35.820622][ T1202] Call Trace:
[   35.820715][ T1202]  <TASK>
[   35.820780][ T1202]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.820947][ T1202]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.821103][ T1202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.821229][ T1202]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   35.821354][ T1202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.821478][ T1202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.821606][ T1202]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.821730][ T1202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.821868][ T1202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.822009][ T1202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.822134][ T1202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.822257][ T1202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.822380][ T1202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.822502][ T1202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.822632][ T1202]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   35.822759][ T1202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.822887][ T1202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.823009][ T1202]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.823133][ T1202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.823256][ T1202]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   35.823380][ T1202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.823503][ T1202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.823632][ T1202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.823755][ T1202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.823884][ T1202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.824006][ T1202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.824130][ T1202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.824254][ T1202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.824378][ T1202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.824504][ T1202]  ? 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))
[   35.824632][ T1202]  ? 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))
[   35.824759][ T1202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.824890][ T1202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.825014][ T1202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.825138][ T1202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.825263][ T1202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.825387][ T1202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.825516][ T1202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.825643][ T1202]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.825768][ T1202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.825924][ T1202]  ? move_addr_to_kernel (net/socket.c:258)
[   35.826049][ T1202]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.826174][ T1202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.826298][ T1202]  ___sys_sendmsg (net/socket.c:2752)
[   35.826421][ T1202]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.826580][ T1202]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.826718][ T1202]  __sys_sendmsg (net/socket.c:2784)
[   35.826846][ T1202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.826968][ T1202]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.827124][ T1202]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.827247][ T1202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.827372][ T1202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.827495][ T1202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.827627][ T1202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.827752][ T1202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.827911][ T1202] RIP: 0033:0x7f18c3a1708e
[   35.828043][ T1202] 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
[   35.828485][ T1202] RSP: 002b:00007fff04cbd5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.828675][ T1202] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f18c3a1708e
[   35.828864][ T1202] RDX: 0000000000000000 RSI: 00007fff04cbd650 RDI: 0000000000000005
[   35.829048][ T1202] RBP: 00007fff04cbd5b0 R08: 0000000000000000 R09: 0000000000000000
[   35.829232][ T1202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c3
[   35.829414][ T1202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff04cbdd20
| [   35.919134][   T68] ------------[ cut here ]------------
| [   35.919336][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   35.919631][   T68] Modules linked in: vxlan
| [   35.920139][   T68] Tainted: [W]=WARN
[   35.920275][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.920469][   T68] Workqueue: netns cleanup_net
[   35.920651][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.920868][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.921329][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   35.921532][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a1b2900 RCX: 1ff4000000092eed
[   35.921753][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b29bc
[   35.922040][   T68] RBP: ff1100000a8e4000 R08: 1fe2200001436539 R09: ff1100000915aed0
[   35.922309][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.922585][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.922869][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   35.923175][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.923411][   T68] CR2: 00007ffcbb8faf28 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   35.923643][   T68] PKRU: 55555554
[   35.923778][   T68] Call Trace:
[   35.923928][   T68]  <TASK>
[   35.924037][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.924238][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.924437][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.924618][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.924788][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.924962][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.925130][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.925300][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.925469][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   35.925644][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.925817][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   35.926001][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.926170][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.926342][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.926511][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.926694][   T68]  process_one_work (kernel/workqueue.c:3314)
[   35.926885][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.927055][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.927229][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.927400][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.927581][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.927755][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.927936][   T68]  kthread (kernel/kthread.c:436)
[   35.928078][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.928276][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.928448][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.928634][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.928848][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.929020][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.929187][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.931936][   T68] ------------[ cut here ]------------
| [   35.932101][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   35.932384][   T68] Modules linked in: vxlan
| [   35.932936][   T68] Tainted: [W]=WARN
[   35.933081][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.933280][   T68] Workqueue: netns cleanup_net
[   35.933454][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.933667][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.934148][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   35.934344][   T68] RAX: 00000000ffffffa6 RBX: ff11000008e54c80 RCX: 1ff4000000092eed
[   35.934574][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e54d3c
[   35.934800][   T68] RBP: ff1100000f9cc000 R08: 1fe22000011ca9a9 R09: ff1100000915aed0
[   35.935036][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.935288][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.935519][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   35.935776][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.935984][   T68] CR2: 00007ffcbb8faf28 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   35.936209][   T68] PKRU: 55555554
[   35.936343][   T68] Call Trace:
[   35.936478][   T68]  <TASK>
[   35.936594][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.936794][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.937000][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.937169][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.937341][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.937509][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.937688][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.937869][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.938039][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   35.938203][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.938372][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   35.938551][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.938721][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.938903][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.939071][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.939239][   T68]  process_one_work (kernel/workqueue.c:3314)
[   35.939408][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.939582][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.939756][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.939936][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.940102][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.940299][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.940466][   T68]  kthread (kernel/kthread.c:436)
[   35.940614][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.940814][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.941078][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.941318][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.941521][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.941690][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.941870][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.945060][   T68] ------------[ cut here ]------------
| [   35.945228][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   35.945508][   T68] Modules linked in: vxlan
| [   35.946503][   T68] Tainted: [W]=WARN
[   35.946705][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.946967][   T68] Workqueue: netns cleanup_net
[   35.947192][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.947479][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.948034][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   35.948322][   T68] RAX: 00000000ffffffa6 RBX: ff11000008e55540 RCX: 1ff4000000092eed
[   35.948603][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e555fc
[   35.948883][   T68] RBP: ff1100000e504000 R08: 1fe22000011caac1 R09: ff1100000915aed0
[   35.949155][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.949429][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.949708][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   35.950025][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.950266][   T68] CR2: 00007ffcbb8faf28 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   35.950543][   T68] PKRU: 55555554
[   35.950724][   T68] Call Trace:
[   35.950917][   T68]  <TASK>
[   35.951070][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.951318][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.951567][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.951848][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.952112][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.952539][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.952888][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.953225][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.953570][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   35.953851][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.954120][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   35.954344][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.954509][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.954690][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.954872][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.955043][   T68]  process_one_work (kernel/workqueue.c:3314)
[   35.955214][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.955381][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.955563][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.955733][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.955912][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.956084][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.956255][   T68]  kthread (kernel/kthread.c:436)
[   35.956395][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.956599][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.956766][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.956947][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.957252][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.957424][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.957603][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.960278][   T68] ------------[ cut here ]------------
| [   35.960445][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   35.960742][   T68] Modules linked in: vxlan
| [   35.961943][   T68] Tainted: [W]=WARN
[   35.962126][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.962369][   T68] Workqueue: netns cleanup_net
[   35.962596][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.962861][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.963386][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   35.963651][   T68] RAX: 00000000ffffffa6 RBX: ff11000008e55a80 RCX: 1ff4000000092eed
[   35.963966][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e55b3c
[   35.964245][   T68] RBP: ff11000005169000 R08: 1fe22000011cab69 R09: ff1100000915aed0
[   35.964553][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.964837][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.965111][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   35.965481][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.965792][   T68] CR2: 00007ffcbb8faf28 CR3: 0000000060f4d006 CR4: 0000000000771ef0
[   35.966151][   T68] PKRU: 55555554
[   35.966372][   T68] Call Trace:
[   35.966602][   T68]  <TASK>
[   35.966785][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.967132][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.967390][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.967628][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.967862][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.968080][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.968302][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.968489][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.968668][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   35.968845][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.969016][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   35.969189][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.969354][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.969532][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.969698][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.969880][   T68]  process_one_work (kernel/workqueue.c:3314)
[   35.970050][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.970216][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.970395][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.970585][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.970753][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.970932][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.971100][   T68]  kthread (kernel/kthread.c:436)
[   35.971238][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.971435][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.971612][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.971783][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.971992][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.972162][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.972330][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.975134][   T68] ------------[ cut here ]------------
| [   35.975267][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/68
| [   35.975582][   T68] Modules linked in: vxlan
| [   35.975998][   T68] Tainted: [W]=WARN
[   35.976088][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.976237][   T68] Workqueue: netns cleanup_net
[   35.976361][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.976519][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.976957][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   35.977107][   T68] RAX: 00000000ffffffa6 RBX: ff11000008e55000 RCX: 1ff4000000092eed
[   35.977287][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e550bc
[   35.977471][   T68] RBP: ff11000008081000 R08: 1fe22000011caa19 R09: ff1100000915aed0
[   35.977658][   T68] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   35.977845][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.978029][   T68] FS:  0000000000000000(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   35.978242][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.978395][   T68] CR2: 0000559629f2a2b8 CR3: 00000000124b8004 CR4: 0000000000771ef0
[   35.978587][   T68] PKRU: 55555554
[   35.978678][   T68] Call Trace:
[   35.978770][   T68]  <TASK>
[   35.978843][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.979000][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.979160][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.979286][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.979410][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.979538][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.979661][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.979784][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.979916][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   35.980037][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.980162][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   35.980287][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.980409][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.980542][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.980662][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.980788][   T68]  process_one_work (kernel/workqueue.c:3314)
[   35.980922][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.981045][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.981174][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.981384][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.981508][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   35.981637][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.981764][   T68]  kthread (kernel/kthread.c:436)
[   35.981862][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.982014][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.982145][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.982275][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.982431][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.982560][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.982685][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.001395][   T68] ------------[ cut here ]------------
| [   36.001562][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   36.001832][   T68] Modules linked in: vxlan
| [   36.002255][   T68] Tainted: [W]=WARN
[   36.002355][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.002510][   T68] Workqueue: netns cleanup_net
[   36.002643][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.002801][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.003258][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   36.003417][   T68] RAX: 00000000ffffffa6 RBX: ff11000008e55c40 RCX: 1ff4000000092eaf
[   36.003613][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e55cfc
[   36.003808][   T68] RBP: ff11000011f94000 R08: 1fe22000011caba1 R09: ff1100000915aed0
[   36.004006][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   36.004195][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   36.004385][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   36.004612][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.004772][   T68] CR2: 00007feb0866a000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   36.004972][   T68] PKRU: 55555554
[   36.005067][   T68] Call Trace:
[   36.005163][   T68]  <TASK>
[   36.005231][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.005362][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.005461][   T68]  netif_close_many (net/core/dev.c:1804)
[   36.005594][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.005720][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.005905][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.006045][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   36.006175][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   36.006334][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   36.006495][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   36.006626][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.006751][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   36.006884][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.007039][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   36.007165][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   36.007289][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   36.007415][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   36.007543][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   36.007671][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   36.007795][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   36.007924][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.008049][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   36.008173][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   36.008294][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   36.008418][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.008546][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.008670][   T68]  process_one_work (kernel/workqueue.c:3314)
[   36.008795][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.008922][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.009049][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.009174][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.009297][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   36.009421][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.009551][   T68]  kthread (kernel/kthread.c:436)
[   36.009644][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.009797][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.009929][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.010056][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.010211][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.010335][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.010458][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.013085][   T68] ------------[ cut here ]------------
| [   36.013228][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   36.013481][   T68] Modules linked in: vxlan
| [   36.013906][   T68] Tainted: [W]=WARN
[   36.013998][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.014153][   T68] Workqueue: netns cleanup_net
[   36.014279][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.014438][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.014886][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   36.015038][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a233380 RCX: 1ff4000000092ed5
[   36.015225][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a23343c
[   36.015407][   T68] RBP: ff11000011f94000 R08: 1fe2200001446689 R09: ff1100000915aed0
[   36.015594][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   36.015778][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.015967][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   36.016179][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.016327][   T68] CR2: 00007feb0866a000 CR3: 0000000060f4d002 CR4: 0000000000771ef0
[   36.016507][   T68] PKRU: 55555554
[   36.016607][   T68] Call Trace:
[   36.016695][   T68]  <TASK>
[   36.016758][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.016915][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   36.017067][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   36.017189][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   36.017309][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   36.017428][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   36.017557][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   36.017677][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   36.017802][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   36.017926][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.018049][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   36.018168][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   36.018285][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   36.018407][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.018528][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.018648][   T68]  process_one_work (kernel/workqueue.c:3314)
[   36.018769][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.018891][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.019014][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.019134][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.019254][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   36.019374][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.019497][   T68]  kthread (kernel/kthread.c:436)
[   36.019590][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.019737][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.019860][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.019979][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.020128][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.020247][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.020366][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.116872][ T1213] ------------[ cut here ]------------
| [   36.117076][ T1213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1213
| [   36.117386][ T1213] Modules linked in: vxlan
| [   36.118007][ T1213] Tainted: [W]=WARN
[   36.118241][ T1213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.118538][ T1213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.118850][ T1213] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.119454][ T1213] RSP: 0018:ffa0000002917a80 EFLAGS: 00010286
[   36.119688][ T1213] RAX: 00000000ffffffa6 RBX: ff1100000fefbc40 RCX: 1ff4000000522f16
[   36.119939][ T1213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefbcfc
[   36.120191][ T1213] RBP: ff110000083e1000 R08: 1fe2200001fdf7a1 R09: ff11000004cc2e80
[   36.120432][ T1213] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.120684][ T1213] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000083e1000
[   36.120941][ T1213] FS:  00007f5cac18a840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   36.121219][ T1213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.121435][ T1213] CR2: 00007f5cac38bc20 CR3: 000000000f49f005 CR4: 0000000000771ef0
[   36.121690][ T1213] PKRU: 55555554
[   36.121848][ T1213] Call Trace:
[   36.121995][ T1213]  <TASK>
[   36.122110][ T1213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.122289][ T1213]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.122469][ T1213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.122627][ T1213]  register_netdevice (net/core/dev.c:11488)
[   36.122813][ T1213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.123039][ T1213]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.123221][ T1213]  register_netdev (net/core/dev.c:11552)
[   36.123400][ T1213]  loopback_net_init (drivers/net/loopback.c:218)
[   36.123592][ T1213]  ops_init (net/core/net_namespace.c:137)
[   36.123745][ T1213]  setup_net (net/core/net_namespace.c:446)
[   36.123905][ T1213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.124087][ T1213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.124268][ T1213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.124450][ T1213]  copy_net_ns (net/core/net_namespace.c:579)
[   36.124642][ T1213]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.124841][ T1213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.125022][ T1213]  ksys_unshare (kernel/fork.c:3243)
[   36.125204][ T1213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.125386][ T1213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.125575][ T1213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.125762][ T1213]  ? __ia32_sys_open (fs/open.c:1374)
[   36.125958][ T1213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.126137][ T1213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.126316][ T1213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.126497][ T1213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.126687][ T1213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.126881][ T1213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.127093][ T1213] RIP: 0033:0x7f5cac44cbcb
[   36.127278][ T1213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.127802][ T1213] RSP: 002b:00007ffca1f96288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.128059][ T1213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5cac44cbcb
[   36.128301][ T1213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.128552][ T1213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.128801][ T1213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca1f984b0
[   36.129063][ T1213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca1f9888c
| [   36.134211][ T1213] ------------[ cut here ]------------
| [   36.134362][ T1213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1213
| [   36.134701][ T1213] Modules linked in: vxlan
| [   36.135128][ T1213] Tainted: [W]=WARN
[   36.135227][ T1213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.135426][ T1213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.135653][ T1213] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.136125][ T1213] RSP: 0018:ffa0000002917918 EFLAGS: 00010286
[   36.136338][ T1213] RAX: 00000000ffffffa6 RBX: ff1100000d14e200 RCX: 1ff4000000522ee9
[   36.136574][ T1213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14e2bc
[   36.136770][ T1213] RBP: ff1100000a8f9000 R08: 1fe2200001a29c59 R09: ff11000004cc2e80
[   36.136974][ T1213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.137227][ T1213] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8f9000
[   36.137447][ T1213] FS:  00007f5cac18a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   36.137682][ T1213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.137857][ T1213] CR2: 000055bc7d569d5c CR3: 000000000f49f005 CR4: 0000000000771ef0
[   36.138120][ T1213] PKRU: 55555554
[   36.138218][ T1213] Call Trace:
[   36.138316][ T1213]  <TASK>
[   36.138385][ T1213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.138521][ T1213]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.138653][ T1213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.138756][ T1213]  register_netdevice (net/core/dev.c:11488)
[   36.138897][ T1213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.139062][ T1213]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.139195][ T1213]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   36.139328][ T1213]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   36.139460][ T1213]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   36.139596][ T1213]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   36.139733][ T1213]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   36.139871][ T1213]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   36.140006][ T1213]  ops_init (net/core/net_namespace.c:137)
[   36.140107][ T1213]  setup_net (net/core/net_namespace.c:446)
[   36.140207][ T1213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.140336][ T1213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.140468][ T1213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.140611][ T1213]  copy_net_ns (net/core/net_namespace.c:579)
[   36.140744][ T1213]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.140887][ T1213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.141019][ T1213]  ksys_unshare (kernel/fork.c:3243)
[   36.141151][ T1213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.141281][ T1213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.141411][ T1213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.141551][ T1213]  ? __ia32_sys_open (fs/open.c:1374)
[   36.141687][ T1213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.141884][ T1213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.142073][ T1213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.142266][ T1213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.142459][ T1213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.142661][ T1213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.142903][ T1213] RIP: 0033:0x7f5cac44cbcb
[   36.143044][ T1213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.143507][ T1213] RSP: 002b:00007ffca1f96288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.143714][ T1213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5cac44cbcb
[   36.143918][ T1213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.144113][ T1213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.144307][ T1213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca1f984b0
[   36.144501][ T1213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca1f9888c
| [   36.148398][ T1213] ------------[ cut here ]------------
| [   36.148538][ T1213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1213
| [   36.148800][ T1213] Modules linked in: vxlan
| [   36.149212][ T1213] Tainted: [W]=WARN
[   36.149313][ T1213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.149478][ T1213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.149658][ T1213] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.150134][ T1213] RSP: 0018:ffa00000029178f8 EFLAGS: 00010286
[   36.150301][ T1213] RAX: 00000000ffffffa6 RBX: ff1100000d14f380 RCX: 1ff4000000522ee5
[   36.150498][ T1213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14f43c
[   36.150704][ T1213] RBP: ff1100000f211000 R08: 1fe2200001a29e89 R09: ff11000004cc2e80
[   36.150905][ T1213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.151101][ T1213] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f211000
[   36.151299][ T1213] FS:  00007f5cac18a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   36.151540][ T1213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.151706][ T1213] CR2: 000055bc7d569d5c CR3: 000000000f49f005 CR4: 0000000000771ef0
[   36.151912][ T1213] PKRU: 55555554
[   36.152012][ T1213] Call Trace:
[   36.152110][ T1213]  <TASK>
[   36.152180][ T1213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.152312][ T1213]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.152446][ T1213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.152554][ T1213]  register_netdevice (net/core/dev.c:11488)
[   36.152689][ T1213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.152859][ T1213]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.152992][ T1213]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   36.153124][ T1213]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   36.153257][ T1213]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   36.153392][ T1213]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   36.153531][ T1213]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   36.153665][ T1213]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   36.153798][ T1213]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.153935][ T1213]  vti_init_net (net/ipv4/ip_vti.c:517)
[   36.154067][ T1213]  ops_init (net/core/net_namespace.c:137)
[   36.154168][ T1213]  setup_net (net/core/net_namespace.c:446)
[   36.154268][ T1213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.154400][ T1213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.154536][ T1213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.154670][ T1213]  copy_net_ns (net/core/net_namespace.c:579)
[   36.154803][ T1213]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.154945][ T1213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.155079][ T1213]  ksys_unshare (kernel/fork.c:3243)
[   36.155212][ T1213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.155344][ T1213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.155476][ T1213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.155616][ T1213]  ? __ia32_sys_open (fs/open.c:1374)
[   36.155750][ T1213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.155887][ T1213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.156022][ T1213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.156154][ T1213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.156286][ T1213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.156420][ T1213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.156590][ T1213] RIP: 0033:0x7f5cac44cbcb
[   36.156729][ T1213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.157202][ T1213] RSP: 002b:00007ffca1f96288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.157403][ T1213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5cac44cbcb
[   36.157605][ T1213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.157802][ T1213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.158005][ T1213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca1f984b0
[   36.158204][ T1213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca1f9888c
| [   36.162343][ T1213] ------------[ cut here ]------------
| [   36.162483][ T1213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1213
| [   36.162748][ T1213] Modules linked in: vxlan
| [   36.163155][ T1213] Tainted: [W]=WARN
[   36.163254][ T1213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.163420][ T1213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.163610][ T1213] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.164077][ T1213] RSP: 0018:ffa0000002917a78 EFLAGS: 00010286
[   36.164242][ T1213] RAX: 00000000ffffffa6 RBX: ff110000095af1c0 RCX: 1ff4000000522f15
[   36.164440][ T1213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095af27c
[   36.164641][ T1213] RBP: ff1100000a884000 R08: 1fe22000012b5e51 R09: ff11000004cc2e80
[   36.164837][ T1213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.165032][ T1213] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a884000
[   36.165228][ T1213] FS:  00007f5cac18a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   36.165455][ T1213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.165624][ T1213] CR2: 000055bc7d569d5c CR3: 000000000f49f005 CR4: 0000000000771ef0
[   36.165826][ T1213] PKRU: 55555554
[   36.165924][ T1213] Call Trace:
[   36.166025][ T1213]  <TASK>
[   36.166092][ T1213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.166223][ T1213]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.166354][ T1213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.166454][ T1213]  register_netdevice (net/core/dev.c:11488)
[   36.166593][ T1213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.166754][ T1213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.166894][ T1213]  register_netdev (net/core/dev.c:11552)
[   36.167025][ T1213]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   36.167157][ T1213]  ops_init (net/core/net_namespace.c:137)
[   36.167258][ T1213]  setup_net (net/core/net_namespace.c:446)
[   36.167357][ T1213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.167488][ T1213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.167623][ T1213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.167755][ T1213]  copy_net_ns (net/core/net_namespace.c:579)
[   36.167894][ T1213]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.168029][ T1213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.168160][ T1213]  ksys_unshare (kernel/fork.c:3243)
[   36.168289][ T1213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.168421][ T1213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.168557][ T1213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.168688][ T1213]  ? __ia32_sys_open (fs/open.c:1374)
[   36.168826][ T1213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.168958][ T1213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.169088][ T1213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.169217][ T1213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.169347][ T1213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.169478][ T1213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.169645][ T1213] RIP: 0033:0x7f5cac44cbcb
[   36.169780][ T1213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.170247][ T1213] RSP: 002b:00007ffca1f96288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.170443][ T1213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5cac44cbcb
[   36.170643][ T1213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.170838][ T1213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.171030][ T1213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca1f984b0
[   36.171223][ T1213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca1f9888c
| [   36.175334][ T1213] ------------[ cut here ]------------
| [   36.175467][ T1213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1213
| [   36.175730][ T1213] Modules linked in: vxlan
| [   36.176132][ T1213] Tainted: [W]=WARN
[   36.176231][ T1213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.176394][ T1213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.176568][ T1213] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.177036][ T1213] RSP: 0018:ffa0000002917a68 EFLAGS: 00010286
[   36.177200][ T1213] RAX: 00000000ffffffa6 RBX: ff1100000ff6b000 RCX: 1ff4000000522f13
[   36.177396][ T1213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff6b0bc
[   36.177596][ T1213] RBP: ff1100000a179000 R08: 1fe2200001fed619 R09: ff11000004cc2e80
[   36.177794][ T1213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.177994][ T1213] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a179000
[   36.178193][ T1213] FS:  00007f5cac18a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   36.178421][ T1213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.178592][ T1213] CR2: 000055bc7d569d5c CR3: 000000000f49f005 CR4: 0000000000771ef0
[   36.178788][ T1213] PKRU: 55555554
[   36.178891][ T1213] Call Trace:
[   36.178989][ T1213]  <TASK>
[   36.179057][ T1213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.179189][ T1213]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.179322][ T1213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.179424][ T1213]  register_netdevice (net/core/dev.c:11488)
[   36.179564][ T1213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.179730][ T1213]  register_netdev (net/core/dev.c:11552)
[   36.179866][ T1213]  sit_init_net (net/ipv6/sit.c:1860)
[   36.179999][ T1213]  ops_init (net/core/net_namespace.c:137)
[   36.180098][ T1213]  setup_net (net/core/net_namespace.c:446)
[   36.180198][ T1213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.180328][ T1213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.180462][ T1213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.180603][ T1213]  copy_net_ns (net/core/net_namespace.c:579)
[   36.180736][ T1213]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.180873][ T1213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.181006][ T1213]  ksys_unshare (kernel/fork.c:3243)
[   36.181138][ T1213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.181268][ T1213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.181398][ T1213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.181532][ T1213]  ? __ia32_sys_open (fs/open.c:1374)
[   36.181665][ T1213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.181796][ T1213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.181934][ T1213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.182065][ T1213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.182198][ T1213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.182331][ T1213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.182493][ T1213] RIP: 0033:0x7f5cac44cbcb
[   36.182636][ T1213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.183105][ T1213] RSP: 002b:00007ffca1f96288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.183304][ T1213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5cac44cbcb
[   36.183497][ T1213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.183700][ T1213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.183899][ T1213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca1f984b0
[   36.184096][ T1213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca1f9888c
| [   36.188758][ T1213] ------------[ cut here ]------------
| [   36.188960][ T1213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1213
| [   36.189223][ T1213] Modules linked in: vxlan
| [   36.189626][ T1213] Tainted: [W]=WARN
[   36.189724][ T1213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.189891][ T1213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.190062][ T1213] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.190528][ T1213] RSP: 0018:ffa0000002917a78 EFLAGS: 00010286
[   36.190693][ T1213] RAX: 00000000ffffffa6 RBX: ff1100000954fe00 RCX: 1ff4000000522f15
[   36.190895][ T1213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954febc
[   36.191090][ T1213] RBP: ff1100000f5a9000 R08: 1fe22000012a9fd9 R09: ff11000004cc2e80
[   36.191286][ T1213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.191482][ T1213] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5a9000
[   36.191685][ T1213] FS:  00007f5cac18a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   36.191922][ T1213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.192089][ T1213] CR2: 000055bc7d569d5c CR3: 000000000f49f005 CR4: 0000000000771ef0
[   36.192288][ T1213] PKRU: 55555554
[   36.192386][ T1213] Call Trace:
[   36.192485][ T1213]  <TASK>
[   36.192566][ T1213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.192699][ T1213]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.192836][ T1213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.192938][ T1213]  register_netdevice (net/core/dev.c:11488)
[   36.193073][ T1213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.193236][ T1213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.193371][ T1213]  register_netdev (net/core/dev.c:11552)
[   36.193502][ T1213]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   36.193642][ T1213]  ops_init (net/core/net_namespace.c:137)
[   36.193743][ T1213]  setup_net (net/core/net_namespace.c:446)
[   36.193853][ T1213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.193984][ T1213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.194117][ T1213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.194251][ T1213]  copy_net_ns (net/core/net_namespace.c:579)
[   36.194383][ T1213]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.194526][ T1213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.194658][ T1213]  ksys_unshare (kernel/fork.c:3243)
[   36.194789][ T1213]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.194926][ T1213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.195059][ T1213]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.195190][ T1213]  ? __ia32_sys_open (fs/open.c:1374)
[   36.195325][ T1213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.195456][ T1213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.195592][ T1213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.195724][ T1213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.195862][ T1213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.195996][ T1213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.196158][ T1213] RIP: 0033:0x7f5cac44cbcb
[   36.196293][ T1213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.196765][ T1213] RSP: 002b:00007ffca1f96288 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.196965][ T1213] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5cac44cbcb
[   36.197161][ T1213] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.197357][ T1213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.197558][ T1213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca1f984b0
[   36.197754][ T1213] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca1f9888c
| [   36.239804][ T1214] ------------[ cut here ]------------
| [   36.240447][ T1214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1214
| [   36.240716][ T1214] Modules linked in: vxlan
| [   36.241123][ T1214] Tainted: [W]=WARN
[   36.241223][ T1214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.241386][ T1214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.241562][ T1214] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.242033][ T1214] RSP: 0018:ffa0000002917020 EFLAGS: 00010286
[   36.242197][ T1214] RAX: 00000000ffffffa6 RBX: ff1100000947be00 RCX: 1ff4000000522dca
[   36.242420][ T1214] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947bebc
[   36.242657][ T1214] RBP: ff110000083e1000 R08: 1fe220000128f7d9 R09: ff11000004cc0b58
[   36.242933][ T1214] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   36.243210][ T1214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.243482][ T1214] FS:  00007fa3ff8e3840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   36.243812][ T1214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.243988][ T1214] CR2: 0000000000528988 CR3: 0000000004c57001 CR4: 0000000000771ef0
[   36.244188][ T1214] PKRU: 55555554
[   36.244286][ T1214] Call Trace:
[   36.244382][ T1214]  <TASK>
[   36.244449][ T1214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.244586][ T1214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.244685][ T1214]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.244815][ T1214]  __dev_notify_flags (net/core/dev.c:9787)
[   36.244950][ T1214]  ? netif_change_name (net/core/dev.c:1495)
[   36.245081][ T1214]  ? __dev_change_flags (net/core/dev.c:9752)
[   36.245211][ T1214]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.245343][ T1214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.245473][ T1214]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   36.245612][ T1214]  netif_change_flags (net/core/dev.c:9820)
[   36.245743][ T1214]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.245880][ T1214]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.246016][ T1214]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.246148][ T1214]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.246312][ T1214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.246443][ T1214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.246580][ T1214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.246710][ T1214]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.246846][ T1214]  ? __kernel_text_address (kernel/extable.c:79)
[   36.246976][ T1214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.247109][ T1214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.247239][ T1214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.247368][ T1214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.247496][ T1214]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.247628][ T1214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.247756][ T1214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.247891][ T1214]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.248020][ T1214]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.248150][ T1214]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.248281][ T1214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.248414][ T1214]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.248554][ T1214]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.248688][ T1214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.248826][ T1214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.248956][ T1214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.249089][ T1214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.249220][ T1214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.249351][ T1214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.249484][ T1214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.249623][ T1214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.249753][ T1214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.249897][ T1214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.250032][ T1214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.250162][ T1214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.250293][ T1214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.250422][ T1214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.250558][ T1214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.250690][ T1214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.250825][ T1214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.250962][ T1214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.251093][ T1214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.251225][ T1214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.251358][ T1214]  ? 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))
[   36.251487][ T1214]  ? 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))
[   36.251627][ T1214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.251758][ T1214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.251893][ T1214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.252026][ T1214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.252160][ T1214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.252291][ T1214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.252422][ T1214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.252559][ T1214]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.252691][ T1214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.252864][ T1214]  ? move_addr_to_kernel (net/socket.c:258)
[   36.252996][ T1214]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.253127][ T1214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.253258][ T1214]  ___sys_sendmsg (net/socket.c:2752)
[   36.253387][ T1214]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.253558][ T1214]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.253701][ T1214]  __sys_sendmsg (net/socket.c:2784)
[   36.253838][ T1214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.253969][ T1214]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.254134][ T1214]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.254264][ T1214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.254394][ T1214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.254526][ T1214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.254655][ T1214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.254785][ T1214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.254951][ T1214] RIP: 0033:0x7fa3ffb1d08e
[   36.255086][ T1214] 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
[   36.255555][ T1214] RSP: 002b:00007fff247e3c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.255752][ T1214] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa3ffb1d08e
[   36.255949][ T1214] RDX: 0000000000000000 RSI: 00007fff247e3cc0 RDI: 0000000000000005
[   36.256145][ T1214] RBP: 00007fff247e3c20 R08: 0000000000000000 R09: 0000000000000000
[   36.256336][ T1214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c3
[   36.256536][ T1214] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff247e4390
| [   36.354663][ T1218] ------------[ cut here ]------------
| [   36.354837][ T1218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1218
| [   36.355115][ T1218] Modules linked in: vxlan
| [   36.355544][ T1218] Tainted: [W]=WARN
[   36.355650][ T1218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.355829][ T1218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.356008][ T1218] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.356499][ T1218] RSP: 0018:ffa0000002936fd0 EFLAGS: 00010286
[   36.356678][ T1218] RAX: 00000000ffffffa6 RBX: ff1100000c57a3c0 RCX: 1ff4000000526dc0
[   36.356891][ T1218] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c57a47c
[   36.357099][ T1218] RBP: ff11000006152000 R08: 1fe22000018af491 R09: ff1100000fa20b80
[   36.357306][ T1218] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   36.357517][ T1218] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000006152e44
[   36.357729][ T1218] FS:  00007fbeb1759840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   36.357976][ T1218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.358151][ T1218] CR2: 0000000000437490 CR3: 0000000002417004 CR4: 0000000000771ef0
[   36.358360][ T1218] PKRU: 55555554
[   36.358463][ T1218] Call Trace:
[   36.358572][ T1218]  <TASK>
[   36.358645][ T1218]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.358786][ T1218]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   36.358935][ T1218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.359041][ T1218]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   36.359182][ T1218]  __dev_notify_flags (net/core/dev.c:9787)
[   36.359321][ T1218]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.359461][ T1218]  ? netif_change_name (net/core/dev.c:1495)
[   36.359609][ T1218]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   36.359752][ T1218]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.359899][ T1218] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   36.360043][ T1218]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   36.360187][ T1218] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   36.360330][ T1218]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   36.360475][ T1218]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   36.360621][ T1218]  ? nla_strscpy (lib/nlattr.c:795)
[   36.360763][ T1218]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   36.360906][ T1218]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.361047][ T1218]  ? __dev_get_by_name (net/core/dev.c:883)
[   36.361184][ T1218]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   36.361328][ T1218]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.361471][ T1218]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.361619][ T1218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.361758][ T1218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.361902][ T1218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.362041][ T1218]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.362179][ T1218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.362321][ T1218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.362461][ T1218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.362604][ T1218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.362744][ T1218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.362886][ T1218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.363025][ T1218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.363165][ T1218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.363302][ T1218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.363442][ T1218]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.363589][ T1218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.363730][ T1218]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.363876][ T1218]  ? 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))
[   36.364013][ T1218]  ? 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))
[   36.364152][ T1218]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.364293][ T1218]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.364433][ T1218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.364576][ T1218]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.364716][ T1218]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.364863][ T1218]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.365004][ T1218]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.365144][ T1218]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.365281][ T1218]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.365455][ T1218]  ? move_addr_to_kernel (net/socket.c:258)
[   36.365601][ T1218]  ___sys_sendmsg (net/socket.c:2752)
[   36.365738][ T1218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.365881][ T1218]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.366030][ T1218]  ? 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))
[   36.366171][ T1218]  __sys_sendmsg (net/socket.c:2784)
[   36.366309][ T1218]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.366452][ T1218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.366595][ T1218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.366735][ T1218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.366881][ T1218]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.367021][ T1218]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.367160][ T1218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.367331][ T1218] RIP: 0033:0x7fbeb199308e
[   36.367475][ T1218] 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
[   36.367980][ T1218] RSP: 002b:00007ffea8844e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.368190][ T1218] RAX: ffffffffffffffda RBX: 00007ffea88455e0 RCX: 00007fbeb199308e
[   36.368397][ T1218] RDX: 0000000000000000 RSI: 00007ffea8844ee0 RDI: 0000000000000005
[   36.368608][ T1218] RBP: 00007ffea8844e40 R08: 0000000000000000 R09: 0000000000000000
[   36.368814][ T1218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c3
[   36.369026][ T1218] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea88455b0
| [   36.401700][ T1219] ------------[ cut here ]------------
| [   36.401901][ T1219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1219
| [   36.402223][ T1219] Modules linked in: vxlan
| [   36.402745][ T1219] Tainted: [W]=WARN
[   36.402908][ T1219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.403128][ T1219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.403354][ T1219] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.403908][ T1219] RSP: 0018:ffa0000002946fd0 EFLAGS: 00010286
[   36.404133][ T1219] RAX: 00000000ffffffa6 RBX: ff1100000cdf0040 RCX: 1ff4000000528dc0
[   36.404384][ T1219] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdf00fc
[   36.404647][ T1219] RBP: ff1100000f5b2000 R08: 1fe22000019be021 R09: ff1100000fa22e80
[   36.404914][ T1219] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.405165][ T1219] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5b2e44
[   36.405426][ T1219] FS:  00007f7edbf72840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   36.405726][ T1219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.405959][ T1219] CR2: 00007f7edc16b460 CR3: 00000000021a7005 CR4: 0000000000771ef0
[   36.406213][ T1219] PKRU: 55555554
[   36.406363][ T1219] Call Trace:
[   36.406522][ T1219]  <TASK>
[   36.406640][ T1219]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.406844][ T1219]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   36.407035][ T1219]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.407189][ T1219]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   36.407375][ T1219]  __dev_notify_flags (net/core/dev.c:9787)
[   36.407565][ T1219]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.407752][ T1219]  ? netif_change_name (net/core/dev.c:1495)
[   36.407954][ T1219]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   36.408151][ T1219]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.408342][ T1219] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   36.408544][ T1219]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   36.408737][ T1219] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   36.408941][ T1219]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   36.409135][ T1219]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   36.409327][ T1219]  ? nla_strscpy (lib/nlattr.c:795)
[   36.409521][ T1219]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   36.409709][ T1219]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.409908][ T1219]  ? __dev_get_by_name (net/core/dev.c:883)
[   36.410096][ T1219]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   36.410287][ T1219]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.410478][ T1219]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.410669][ T1219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.410869][ T1219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.411057][ T1219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.411242][ T1219]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.411428][ T1219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.411626][ T1219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.411813][ T1219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.412226][ T1219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.412415][ T1219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.412609][ T1219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.412794][ T1219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.412996][ T1219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.413180][ T1219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.413367][ T1219]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.413561][ T1219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.413748][ T1219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.413950][ T1219]  ? 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))
[   36.414135][ T1219]  ? 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))
[   36.414325][ T1219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.414513][ T1219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.414706][ T1219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.414907][ T1219]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.415095][ T1219]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.415282][ T1219]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.415474][ T1219]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.415668][ T1219]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.415866][ T1219]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.416083][ T1219]  ? move_addr_to_kernel (net/socket.c:258)
[   36.416275][ T1219]  ___sys_sendmsg (net/socket.c:2752)
[   36.416461][ T1219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.416657][ T1219]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.416867][ T1219]  ? 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))
[   36.417057][ T1219]  __sys_sendmsg (net/socket.c:2784)
[   36.417245][ T1219]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.417436][ T1219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.417630][ T1219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.417833][ T1219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.418020][ T1219]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.418211][ T1219]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.418398][ T1219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.418626][ T1219] RIP: 0033:0x7f7edc1ac08e
[   36.418833][ T1219] 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
[   36.419374][ T1219] RSP: 002b:00007fff4a117ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.419640][ T1219] RAX: ffffffffffffffda RBX: 00007fff4a118490 RCX: 00007f7edc1ac08e
[   36.419907][ T1219] RDX: 0000000000000000 RSI: 00007fff4a117d90 RDI: 0000000000000005
[   36.420161][ T1219] RBP: 00007fff4a117cf0 R08: 0000000000000000 R09: 0000000000000000
[   36.420414][ T1219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c3
[   36.420681][ T1219] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4a118460
| [   36.465221][ T1220] ------------[ cut here ]------------
| [   36.465408][ T1220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1220
| [   36.465722][ T1220] Modules linked in: vxlan
| [   36.466234][ T1220] Tainted: [W]=WARN
[   36.466382][ T1220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.466604][ T1220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.466837][ T1220] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.467350][ T1220] RSP: 0018:ffa00000028371b0 EFLAGS: 00010286
[   36.467571][ T1220] RAX: 00000000ffffffa6 RBX: ff110000095ae740 RCX: 1ff4000000506dfc
[   36.467832][ T1220] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095ae7fc
[   36.468076][ T1220] RBP: ff11000008d6a000 R08: 1fe22000012b5d01 R09: ff1100000fa25180
[   36.468318][ T1220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.468567][ T1220] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   36.468816][ T1220] FS:  00007f978cc17840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   36.469107][ T1220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.469320][ T1220] CR2: 00007f978cf8c040 CR3: 000000000fe7b001 CR4: 0000000000771ef0
[   36.469574][ T1220] PKRU: 55555554
[   36.469719][ T1220] Call Trace:
[   36.469878][ T1220]  <TASK>
[   36.469997][ T1220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.470180][ T1220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.470327][ T1220]  __dev_notify_flags (net/core/dev.c:9787)
[   36.470508][ T1220]  ? netif_change_name (net/core/dev.c:1495)
[   36.470698][ T1220]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.470921][ T1220]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.471105][ T1220]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.471287][ T1220]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   36.471470][ T1220]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   36.471661][ T1220]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.471855][ T1220]  ? __dev_get_by_name (net/core/dev.c:883)
[   36.472035][ T1220]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   36.472221][ T1220]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.472405][ T1220]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.472595][ T1220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.472776][ T1220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.472970][ T1220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.473150][ T1220]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.473329][ T1220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.473513][ T1220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.473701][ T1220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.473895][ T1220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.474079][ T1220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.474258][ T1220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.474437][ T1220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.474628][ T1220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.474806][ T1220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.474999][ T1220]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.475180][ T1220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.475362][ T1220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.475556][ T1220]  ? 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))
[   36.475736][ T1220]  ? 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))
[   36.475930][ T1220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.476113][ T1220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.476293][ T1220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.476473][ T1220]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.476664][ T1220]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.476857][ T1220]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.477044][ T1220]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.477225][ T1220]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.477405][ T1220]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.477622][ T1220]  ? move_addr_to_kernel (net/socket.c:258)
[   36.477807][ T1220]  ___sys_sendmsg (net/socket.c:2752)
[   36.477999][ T1220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.478182][ T1220]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.478373][ T1220]  ? 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))
[   36.478562][ T1220]  __sys_sendmsg (net/socket.c:2784)
[   36.478743][ T1220]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.478941][ T1220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.479122][ T1220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.479302][ T1220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.479482][ T1220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.479669][ T1220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.479863][ T1220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.480073][ T1220] RIP: 0033:0x7f978ce5108e
[   36.480259][ T1220] 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
[   36.480782][ T1220] RSP: 002b:00007ffc89b98db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.481041][ T1220] RAX: ffffffffffffffda RBX: 00007ffc89b99558 RCX: 00007f978ce5108e
[   36.481285][ T1220] RDX: 0000000000000000 RSI: 00007ffc89b98e60 RDI: 0000000000000005
[   36.481534][ T1220] RBP: 00007ffc89b98dc0 R08: 0000000000000000 R09: 0000000000000000
[   36.481778][ T1220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c3
[   36.482038][ T1220] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc89b99530
| [   36.516078][ T1221] ------------[ cut here ]------------
| [   36.516230][ T1221] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1221
| [   36.516495][ T1221] Modules linked in: vxlan
| [   36.516913][ T1221] Tainted: [W]=WARN
[   36.517014][ T1221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.517180][ T1221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.517353][ T1221] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.517836][ T1221] RSP: 0018:ffa00000028271b0 EFLAGS: 00010286
[   36.518005][ T1221] RAX: 00000000ffffffa6 RBX: ff1100000cd8a040 RCX: 1ff4000000504dfc
[   36.518203][ T1221] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8a0fc
[   36.518400][ T1221] RBP: ff1100000f572000 R08: 1fe22000019b1421 R09: ff1100000aa48b80
[   36.518606][ T1221] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.518802][ T1221] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   36.519007][ T1221] FS:  00007fbd87de5840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   36.519241][ T1221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.519411][ T1221] CR2: 00007fbd87fde460 CR3: 0000000004ed1006 CR4: 0000000000771ef0
[   36.519617][ T1221] PKRU: 55555554
[   36.519716][ T1221] Call Trace:
[   36.519814][ T1221]  <TASK>
[   36.519889][ T1221]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.520024][ T1221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.520128][ T1221]  __dev_notify_flags (net/core/dev.c:9787)
[   36.520262][ T1221]  ? netif_change_name (net/core/dev.c:1495)
[   36.520398][ T1221]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.520567][ T1221]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.520703][ T1221]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.520839][ T1221]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   36.520974][ T1221]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   36.521109][ T1221]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.521242][ T1221]  ? __dev_get_by_name (net/core/dev.c:883)
[   36.521375][ T1221]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   36.521518][ T1221]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.521656][ T1221]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.521789][ T1221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.522294][ T1221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.522427][ T1221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.522564][ T1221]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.522696][ T1221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.522840][ T1221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.522975][ T1221]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.523110][ T1221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.523242][ T1221]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.523374][ T1221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.523506][ T1221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.523647][ T1221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.523780][ T1221]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.523920][ T1221]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.524055][ T1221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.524189][ T1221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.524324][ T1221]  ? 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))
[   36.524456][ T1221]  ? 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))
[   36.524596][ T1221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.524730][ T1221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.524869][ T1221]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.525004][ T1221]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.525138][ T1221]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.525272][ T1221]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.525406][ T1221]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.525543][ T1221]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.525677][ T1221]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.525850][ T1221]  ? move_addr_to_kernel (net/socket.c:258)
[   36.525988][ T1221]  ___sys_sendmsg (net/socket.c:2752)
[   36.526121][ T1221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.526252][ T1221]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.526394][ T1221]  ? 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))
[   36.526534][ T1221]  __sys_sendmsg (net/socket.c:2784)
[   36.526670][ T1221]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.526809][ T1221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.526947][ T1221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.527083][ T1221]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.527216][ T1221]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.527349][ T1221]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.527483][ T1221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.527654][ T1221] RIP: 0033:0x7fbd8801f08e
[   36.527796][ T1221] 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
[   36.528274][ T1221] RSP: 002b:00007ffde847a020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.528473][ T1221] RAX: ffffffffffffffda RBX: 00007ffde847a7c8 RCX: 00007fbd8801f08e
[   36.528680][ T1221] RDX: 0000000000000000 RSI: 00007ffde847a0d0 RDI: 0000000000000005
[   36.528885][ T1221] RBP: 00007ffde847a030 R08: 0000000000000000 R09: 0000000000000000
[   36.529083][ T1221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c3
[   36.529280][ T1221] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde847a7a0
| [   37.113568][ T1256] ------------[ cut here ]------------
| [   37.113797][ T1256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1256
| [   37.114764][ T1256] Modules linked in: vxlan
| [   37.115267][ T1256] Tainted: [W]=WARN
[   37.115410][ T1256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.115622][ T1256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.115846][ T1256] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.116330][ T1256] RSP: 0018:ffa0000002387190 EFLAGS: 00010286
[   37.116542][ T1256] RAX: 00000000ffffffa6 RBX: ff1100000bd07700 RCX: 1ff4000000470df8
[   37.116774][ T1256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd077bc
[   37.117021][ T1256] RBP: ff1100000f572000 R08: 1fe22000017a0ef9 R09: ff1100000aa60b58
[   37.117251][ T1256] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.117482][ T1256] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.117723][ T1256] FS:  00007fca90f05840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   37.118004][ T1256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.118205][ T1256] CR2: 000000001e316988 CR3: 000000000f978001 CR4: 0000000000771ef0
[   37.118439][ T1256] PKRU: 55555554
[   37.118644][ T1256] Call Trace:
[   37.118788][ T1256]  <TASK>
[   37.118912][ T1256]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.119123][ T1256]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.119326][ T1256]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.119500][ T1256]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.119680][ T1256]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.119901][ T1256]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   37.120073][ T1256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.120242][ T1256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.120412][ T1256]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.120592][ T1256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.120761][ T1256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.120966][ T1256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.121137][ T1256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.121308][ T1256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.121478][ T1256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.121658][ T1256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.121847][ T1256]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   37.122022][ T1256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.122192][ T1256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.122363][ T1256]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.122541][ T1256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.122714][ T1256]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.122899][ T1256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.123072][ T1256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.123246][ T1256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.123418][ T1256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.123596][ T1256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.123766][ T1256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.123952][ T1256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.124123][ T1256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.124296][ T1256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.124470][ T1256]  ? 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))
[   37.124651][ T1256]  ? 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))
[   37.124838][ T1256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.125011][ T1256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.125186][ T1256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.125363][ T1256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.125542][ T1256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.125716][ T1256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.125906][ T1256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.126080][ T1256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.126252][ T1256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.126451][ T1256]  ? move_addr_to_kernel (net/socket.c:258)
[   37.126627][ T1256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.126800][ T1256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.126988][ T1256]  ___sys_sendmsg (net/socket.c:2752)
[   37.127164][ T1256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.127367][ T1256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.127555][ T1256]  __sys_sendmsg (net/socket.c:2784)
[   37.127729][ T1256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.127913][ T1256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.128118][ T1256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.128291][ T1256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.128470][ T1256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.128649][ T1256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.128835][ T1256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.129007][ T1256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.129209][ T1256] RIP: 0033:0x7fca9113f08e
[   37.129386][ T1256] 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
[   37.129895][ T1256] RSP: 002b:00007ffc47665160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.130128][ T1256] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fca9113f08e
[   37.130360][ T1256] RDX: 0000000000000000 RSI: 00007ffc47665210 RDI: 0000000000000005
[   37.130600][ T1256] RBP: 00007ffc47665170 R08: 0000000000000000 R09: 0000000000000000
[   37.130845][ T1256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c4
[   37.131076][ T1256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc476658e0
| [   37.176219][ T1257] ------------[ cut here ]------------
| [   37.176380][ T1257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1257
| [   37.176636][ T1257] Modules linked in: vxlan
| [   37.177600][ T1257] Tainted: [W]=WARN
[   37.177699][ T1257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.177932][ T1257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.178096][ T1257] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.178537][ T1257] RSP: 0018:ffa0000002a07190 EFLAGS: 00010286
[   37.178693][ T1257] RAX: 00000000ffffffa6 RBX: ff1100000d8a4040 RCX: 1ff4000000540df8
[   37.178952][ T1257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8a40fc
[   37.179137][ T1257] RBP: ff11000008d6a000 R08: 1fe2200001b14821 R09: ff1100000aa62e58
[   37.179319][ T1257] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.179501][ T1257] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.179695][ T1257] FS:  00007f0935f90840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   37.180006][ T1257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.180167][ T1257] CR2: 00007f09362601a0 CR3: 0000000011fd7003 CR4: 0000000000771ef0
[   37.180353][ T1257] PKRU: 55555554
[   37.180446][ T1257] Call Trace:
[   37.180543][ T1257]  <TASK>
[   37.180607][ T1257]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.180767][ T1257]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.180970][ T1257]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.181094][ T1257]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.181216][ T1257]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   37.181373][ T1257]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   37.181497][ T1257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.181625][ T1257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.181749][ T1257]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.181900][ T1257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.182024][ T1257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.182163][ T1257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.182286][ T1257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.182409][ T1257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.182537][ T1257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.182660][ T1257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.182783][ T1257]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   37.182914][ T1257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.183036][ T1257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.183158][ T1257]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.183282][ T1257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.183406][ T1257]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.183534][ T1257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.183657][ T1257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.183779][ T1257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.183908][ T1257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.184032][ T1257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.184153][ T1257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.184276][ T1257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.184399][ T1257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.184526][ T1257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.184657][ T1257]  ? 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))
[   37.184780][ T1257]  ? 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))
[   37.184912][ T1257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.185039][ T1257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.185162][ T1257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.185287][ T1257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.185412][ T1257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.185543][ T1257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.185669][ T1257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.185792][ T1257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.185930][ T1257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.186088][ T1257]  ? move_addr_to_kernel (net/socket.c:258)
[   37.186211][ T1257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.186335][ T1257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.186461][ T1257]  ___sys_sendmsg (net/socket.c:2752)
[   37.186588][ T1257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.186745][ T1257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.186885][ T1257]  __sys_sendmsg (net/socket.c:2784)
[   37.187010][ T1257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.187132][ T1257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.187287][ T1257]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.187413][ T1257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.187543][ T1257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.187666][ T1257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.187789][ T1257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.187919][ T1257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.188073][ T1257] RIP: 0033:0x7f09361ca08e
[   37.188202][ T1257] 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
[   37.188649][ T1257] RSP: 002b:00007fff89b8cdc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.188843][ T1257] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f09361ca08e
[   37.189028][ T1257] RDX: 0000000000000000 RSI: 00007fff89b8ce70 RDI: 0000000000000005
[   37.189212][ T1257] RBP: 00007fff89b8cdd0 R08: 0000000000000000 R09: 0000000000000000
[   37.189395][ T1257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c4
[   37.189584][ T1257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff89b8d540
| [   37.234488][ T1258] ------------[ cut here ]------------
| [   37.234645][ T1258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1258
| [   37.235365][ T1258] Modules linked in: vxlan
| [   37.235763][ T1258] Tainted: [W]=WARN
[   37.235916][ T1258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.236076][ T1258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.236295][ T1258] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.236746][ T1258] RSP: 0018:ffa0000002387190 EFLAGS: 00010286
[   37.236955][ T1258] RAX: 00000000ffffffa6 RBX: ff1100000d8a5540 RCX: 1ff4000000470df8
[   37.237143][ T1258] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8a55fc
[   37.237326][ T1258] RBP: ff1100000f5b2000 R08: 1fe2200001b14ac1 R09: ff1100000f355158
[   37.237509][ T1258] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.237700][ T1258] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.237943][ T1258] FS:  00007f1db1844840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   37.238170][ T1258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.238324][ T1258] CR2: 00000000260a5988 CR3: 0000000008cde005 CR4: 0000000000771ef0
[   37.238510][ T1258] PKRU: 55555554
[   37.238609][ T1258] Call Trace:
[   37.238702][ T1258]  <TASK>
[   37.238766][ T1258]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.238975][ T1258]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.239131][ T1258]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.239257][ T1258]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   37.239380][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.239504][ T1258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.239632][ T1258]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.239755][ T1258]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.239932][ T1258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.240075][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.240196][ T1258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.240319][ T1258]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.240442][ T1258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.240570][ T1258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.240694][ T1258]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   37.240872][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.240995][ T1258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.241118][ T1258]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.241241][ T1258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.241365][ T1258]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.241489][ T1258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.241620][ T1258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.241744][ T1258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.241934][ T1258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.242060][ T1258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.242198][ T1258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.242323][ T1258]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.242449][ T1258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.242579][ T1258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.242707][ T1258]  ? 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))
[   37.242910][ T1258]  ? 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))
[   37.243037][ T1258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.243161][ T1258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.243285][ T1258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.243410][ T1258]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.243542][ T1258]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.243666][ T1258]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.243794][ T1258]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.243992][ T1258]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.244116][ T1258]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.244268][ T1258]  ? move_addr_to_kernel (net/socket.c:258)
[   37.244394][ T1258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.244522][ T1258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.244648][ T1258]  ___sys_sendmsg (net/socket.c:2752)
[   37.244772][ T1258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.244999][ T1258]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.245137][ T1258]  __sys_sendmsg (net/socket.c:2784)
[   37.245262][ T1258]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.245384][ T1258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.245546][ T1258]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.245669][ T1258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.245794][ T1258]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.246002][ T1258]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.246127][ T1258]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.246251][ T1258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.246403][ T1258] RIP: 0033:0x7f1db1a7e08e
[   37.246540][ T1258] 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
[   37.247070][ T1258] RSP: 002b:00007ffcaba45190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.247257][ T1258] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1db1a7e08e
[   37.247442][ T1258] RDX: 0000000000000000 RSI: 00007ffcaba45240 RDI: 0000000000000005
[   37.247631][ T1258] RBP: 00007ffcaba451a0 R08: 0000000000000000 R09: 0000000000000000
[   37.247816][ T1258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c4
[   37.248051][ T1258] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcaba45910
| [   37.295882][ T1259] ------------[ cut here ]------------
| [   37.296029][ T1259] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1259
| [   37.296277][ T1259] Modules linked in: vxlan
| [   37.296668][ T1259] Tainted: [W]=WARN
[   37.296761][ T1259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.297355][ T1259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.297525][ T1259] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.297976][ T1259] RSP: 0018:ffa00000029c7190 EFLAGS: 00010286
[   37.298136][ T1259] RAX: 00000000ffffffa6 RBX: ff1100000a232200 RCX: 1ff4000000538df8
[   37.298322][ T1259] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2322bc
[   37.298506][ T1259] RBP: ff11000006152000 R08: 1fe2200001446459 R09: ff1100000f352e58
[   37.298696][ T1259] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.298885][ T1259] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.299073][ T1259] FS:  00007fe79f5d0840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   37.299289][ T1259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.299443][ T1259] CR2: 00007fe79f8a01a0 CR3: 000000000ff73003 CR4: 0000000000771ef0
[   37.299635][ T1259] PKRU: 55555554
[   37.299729][ T1259] Call Trace:
[   37.299833][ T1259]  <TASK>
[   37.299898][ T1259]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.300059][ T1259]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.300221][ T1259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.300347][ T1259]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   37.300470][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.300602][ T1259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.300725][ T1259]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.300856][ T1259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.300983][ T1259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.301124][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.301247][ T1259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.301370][ T1259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.301492][ T1259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.301619][ T1259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.301744][ T1259]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   37.301876][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.302000][ T1259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.302124][ T1259]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.302247][ T1259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.302370][ T1259]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   37.302494][ T1259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.302622][ T1259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.302749][ T1259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.302876][ T1259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.303002][ T1259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.303124][ T1259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.303249][ T1259]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.303373][ T1259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.303496][ T1259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.303631][ T1259]  ? 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))
[   37.303756][ T1259]  ? 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))
[   37.303892][ T1259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.304017][ T1259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.304141][ T1259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.304266][ T1259]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.304391][ T1259]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.304514][ T1259]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.304647][ T1259]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.304771][ T1259]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.304897][ T1259]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.305051][ T1259]  ? move_addr_to_kernel (net/socket.c:258)
[   37.305175][ T1259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.305301][ T1259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.305425][ T1259]  ___sys_sendmsg (net/socket.c:2752)
[   37.305555][ T1259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.305706][ T1259]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.305855][ T1259]  __sys_sendmsg (net/socket.c:2784)
[   37.305979][ T1259]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.306105][ T1259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.306262][ T1259]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.306385][ T1259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.306512][ T1259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.306642][ T1259]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.306767][ T1259]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.306895][ T1259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.307048][ T1259] RIP: 0033:0x7fe79f80a08e
[   37.307178][ T1259] 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
[   37.307624][ T1259] RSP: 002b:00007ffcf8e31f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.307809][ T1259] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe79f80a08e
[   37.307999][ T1259] RDX: 0000000000000000 RSI: 00007ffcf8e31fc0 RDI: 0000000000000005
[   37.308184][ T1259] RBP: 00007ffcf8e31f20 R08: 0000000000000000 R09: 0000000000000000
[   37.308367][ T1259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c4
[   37.308558][ T1259] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf8e32690
| [   37.395388][   T68] ------------[ cut here ]------------
| [   37.395559][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   37.395809][   T68] Modules linked in: vxlan
| [   37.396230][   T68] Tainted: [W]=WARN
[   37.396324][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.396481][   T68] Workqueue: netns cleanup_net
[   37.396615][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.396774][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.397293][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   37.397469][   T68] RAX: 00000000ffffffa6 RBX: ff1100000a1b3000 RCX: 1ff4000000092eed
[   37.397662][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b30bc
[   37.397862][   T68] RBP: ff1100000f5a9000 R08: 1fe2200001436619 R09: ff1100000915aed0
[   37.398038][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.398214][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.398395][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   37.398605][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.398755][   T68] CR2: 000055bc859ab968 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   37.398939][   T68] PKRU: 55555554
[   37.399031][   T68] Call Trace:
[   37.399118][   T68]  <TASK>
[   37.399181][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.399341][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.399486][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.399613][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.399732][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.399856][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.399976][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.400096][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.400215][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   37.400332][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.400452][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   37.400574][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.400690][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.400809][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.400933][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.401053][   T68]  process_one_work (kernel/workqueue.c:3314)
[   37.401176][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.401293][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.401414][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.401539][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.401656][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   37.401774][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.401949][   T68]  kthread (kernel/kthread.c:436)
[   37.402039][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.402184][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.402300][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.402418][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.402570][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.402688][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.402808][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.405329][   T68] ------------[ cut here ]------------
| [   37.405454][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   37.405704][   T68] Modules linked in: vxlan
| [   37.406109][   T68] Tainted: [W]=WARN
[   37.406202][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.406353][   T68] Workqueue: netns cleanup_net
[   37.406488][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.406651][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.407077][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   37.407230][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cdf1c40 RCX: 1ff4000000092eed
[   37.407408][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdf1cfc
[   37.407588][   T68] RBP: ff1100000a179000 R08: 1fe22000019be3a1 R09: ff1100000915aed0
[   37.407762][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.407941][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.408121][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   37.408328][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.408474][   T68] CR2: 000055bc859ab968 CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   37.408655][   T68] PKRU: 55555554
[   37.408744][   T68] Call Trace:
[   37.408838][   T68]  <TASK>
[   37.408900][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.409053][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.409197][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.409315][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.409433][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.409556][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.409675][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.409797][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.409919][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   37.410036][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.410156][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   37.410273][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.410388][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.410505][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.410629][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.410754][   T68]  process_one_work (kernel/workqueue.c:3314)
[   37.410879][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.410998][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.411120][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.411239][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.411446][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   37.411593][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.411714][   T68]  kthread (kernel/kthread.c:436)
[   37.411804][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.411967][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.412084][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.412206][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.412350][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.412467][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.412595][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.424402][   T68] ------------[ cut here ]------------
| [   37.424546][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   37.424781][   T68] Modules linked in: vxlan
| [   37.425176][   T68] Tainted: [W]=WARN
[   37.425268][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.425414][   T68] Workqueue: netns cleanup_net
[   37.425541][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.425693][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.426120][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   37.426270][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefa200 RCX: 1ff4000000092eed
[   37.426443][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa2bc
[   37.426625][   T68] RBP: ff1100000a884000 R08: 1fe2200001fdf459 R09: ff1100000915aed0
[   37.426807][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.426988][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.427170][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   37.427378][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.427530][   T68] CR2: 00007ff502536574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   37.427707][   T68] PKRU: 55555554
[   37.427795][   T68] Call Trace:
[   37.427889][   T68]  <TASK>
[   37.427952][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.428105][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.428251][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.428368][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.428487][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.428611][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.428730][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.428855][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.428973][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   37.429093][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.429213][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   37.429330][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.429449][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.429573][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.429690][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.429808][   T68]  process_one_work (kernel/workqueue.c:3314)
[   37.429935][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.430055][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.430176][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.430296][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.430414][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   37.430535][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.430651][   T68]  kthread (kernel/kthread.c:436)
[   37.430739][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.430890][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.431009][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.431127][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.431278][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.431399][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.431522][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.433568][   T68] ------------[ cut here ]------------
| [   37.433692][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   37.433927][   T68] Modules linked in: vxlan
| [   37.434309][   T68] Tainted: [W]=WARN
[   37.434398][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.434554][   T68] Workqueue: netns cleanup_net
[   37.434676][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.434835][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.435262][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   37.435412][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefa740 RCX: 1ff4000000092eed
[   37.435588][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa7fc
[   37.435762][   T68] RBP: ff1100000f211000 R08: 1fe2200001fdf501 R09: ff1100000915aed0
[   37.435941][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.436117][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.436291][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   37.436496][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.436655][   T68] CR2: 00007ff502536574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   37.436834][   T68] PKRU: 55555554
[   37.436922][   T68] Call Trace:
[   37.437011][   T68]  <TASK>
[   37.437072][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.437221][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.437368][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.437485][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.437613][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.437728][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.437851][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.437969][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.438089][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   37.438205][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.438324][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   37.438442][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.438563][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.438683][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.438799][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.438928][   T68]  process_one_work (kernel/workqueue.c:3314)
[   37.439049][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.439167][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.439289][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.439406][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.439529][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   37.439651][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.439767][   T68]  kthread (kernel/kthread.c:436)
[   37.439860][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.440005][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.440123][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.440240][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.440386][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.440505][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.440629][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.442623][   T68] ------------[ cut here ]------------
| [   37.442742][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   37.442995][   T68] Modules linked in: vxlan
| [   37.443381][   T68] Tainted: [W]=WARN
[   37.443474][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.443628][   T68] Workqueue: netns cleanup_net
[   37.443750][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.443909][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.444407][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   37.444564][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefae40 RCX: 1ff4000000092eed
[   37.444736][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefaefc
[   37.444915][   T68] RBP: ff1100000a8f9000 R08: 1fe2200001fdf5e1 R09: ff1100000915aed0
[   37.445086][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.445258][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.445508][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   37.445716][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.445872][   T68] CR2: 00007ff502536574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   37.446046][   T68] PKRU: 55555554
[   37.446135][   T68] Call Trace:
[   37.446221][   T68]  <TASK>
[   37.446282][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.446504][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.446656][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   37.446797][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   37.446989][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.447106][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   37.447224][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.447342][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   37.447539][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   37.447659][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.447779][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   37.447901][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.448088][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.448207][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.448325][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.448443][   T68]  process_one_work (kernel/workqueue.c:3314)
[   37.448640][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.448757][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.448883][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.449001][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.449194][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   37.449312][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.449430][   T68]  kthread (kernel/kthread.c:436)
[   37.449524][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.449739][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.449862][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.449979][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.450130][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.450317][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.450435][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.462398][   T68] ------------[ cut here ]------------
| [   37.462542][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   37.462801][   T68] Modules linked in: vxlan
| [   37.463319][   T68] Tainted: [W]=WARN
[   37.463414][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.463578][   T68] Workqueue: netns cleanup_net
[   37.463713][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.463890][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.464330][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   37.464486][   T68] RAX: 00000000ffffffa6 RBX: ff1100000fefac80 RCX: 1ff4000000092eaf
[   37.464678][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefad3c
[   37.464866][   T68] RBP: ff110000083e1000 R08: 1fe2200001fdf5a9 R09: ff1100000915aed0
[   37.465053][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   37.465317][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   37.465599][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   37.465896][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.466053][   T68] CR2: 00007ff502536574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   37.466238][   T68] PKRU: 55555554
[   37.466329][   T68] Call Trace:
[   37.466421][   T68]  <TASK>
[   37.466487][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.466623][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.466719][   T68]  netif_close_many (net/core/dev.c:1804)
[   37.466853][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.466977][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.467101][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.467226][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   37.467350][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   37.467507][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   37.467677][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.467802][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.467932][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   37.468060][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.468222][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.468349][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.468474][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.468606][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.468731][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.468863][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.468990][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   37.469114][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.469243][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   37.469368][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.469490][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.469620][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.469743][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.469873][   T68]  process_one_work (kernel/workqueue.c:3314)
[   37.470003][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.470128][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.470257][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.470382][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.470508][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   37.470644][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.470769][   T68]  kthread (kernel/kthread.c:436)
[   37.470865][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.471020][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.471145][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.471270][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.471426][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.471563][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.471694][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.474027][   T68] ------------[ cut here ]------------
| [   37.474198][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   37.474485][   T68] Modules linked in: vxlan
| [   37.475047][   T68] Tainted: [W]=WARN
[   37.475183][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.475379][   T68] Workqueue: netns cleanup_net
[   37.475576][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.475782][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.476268][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   37.476470][   T68] RAX: 00000000ffffffa6 RBX: ff1100000629b8c0 RCX: 1ff4000000092ed5
[   37.476727][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000629b97c
[   37.476971][   T68] RBP: ff110000083e1000 R08: 1fe2200000c53731 R09: ff1100000915aed0
[   37.477193][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.477417][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.477654][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   37.477922][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.478119][   T68] CR2: 00007ffd0c8e3ac8 CR3: 000000000fe3a002 CR4: 0000000000771ef0
[   37.478345][   T68] PKRU: 55555554
[   37.478479][   T68] Call Trace:
[   37.478624][   T68]  <TASK>
[   37.478737][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   37.478954][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   37.479155][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.479326][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   37.479496][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   37.479679][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   37.479865][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   37.480039][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   37.480214][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   37.480383][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.480568][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   37.480742][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.480926][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   37.481101][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.481272][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.481441][   T68]  process_one_work (kernel/workqueue.c:3314)
[   37.481623][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.481791][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.481978][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.482159][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.482357][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   37.482538][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.482711][   T68]  kthread (kernel/kthread.c:436)
[   37.482866][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.483075][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.483244][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.483413][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.483621][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.483789][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.483969][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.615960][ T1270] ------------[ cut here ]------------
| [   37.616123][ T1270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1270
| [   37.616390][ T1270] Modules linked in: vxlan
| [   37.616803][ T1270] Tainted: [W]=WARN
[   37.616916][ T1270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.617087][ T1270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.617260][ T1270] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.617733][ T1270] RSP: 0018:ffa0000002ab7a80 EFLAGS: 00010286
[   37.617906][ T1270] RAX: 00000000ffffffa6 RBX: ff11000009c4d1c0 RCX: 1ff4000000556f16
[   37.618103][ T1270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4d27c
[   37.618299][ T1270] RBP: ff1100000f1dc000 R08: 1fe2200001389a51 R09: ff1100000fa75180
[   37.618496][ T1270] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.618700][ T1270] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1dc000
[   37.618966][ T1270] FS:  00007fe38b2f0840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   37.619252][ T1270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.619422][ T1270] CR2: 00007fe38b4f7430 CR3: 0000000011c3f001 CR4: 0000000000771ef0
[   37.619624][ T1270] PKRU: 55555554
[   37.619723][ T1270] Call Trace:
[   37.619857][ T1270]  <TASK>
[   37.619927][ T1270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.620061][ T1270]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.620194][ T1270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.620295][ T1270]  register_netdevice (net/core/dev.c:11488)
[   37.620431][ T1270]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.620600][ T1270]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.620734][ T1270]  register_netdev (net/core/dev.c:11552)
[   37.620869][ T1270]  loopback_net_init (drivers/net/loopback.c:218)
[   37.621002][ T1270]  ops_init (net/core/net_namespace.c:137)
[   37.621106][ T1270]  setup_net (net/core/net_namespace.c:446)
[   37.621208][ T1270]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.621338][ T1270]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.621469][ T1270]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.621611][ T1270]  copy_net_ns (net/core/net_namespace.c:579)
[   37.621742][ T1270]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.621882][ T1270]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.622015][ T1270]  ksys_unshare (kernel/fork.c:3243)
[   37.622147][ T1270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.622279][ T1270]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.622409][ T1270]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.622546][ T1270]  ? __ia32_sys_open (fs/open.c:1374)
[   37.622678][ T1270]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.622809][ T1270]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.622946][ T1270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.623080][ T1270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.623212][ T1270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.623343][ T1270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.623508][ T1270] RIP: 0033:0x7fe38b5b2bcb
[   37.623654][ T1270] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   37.624128][ T1270] RSP: 002b:00007fffd72e0b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.624331][ T1270] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe38b5b2bcb
[   37.624535][ T1270] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.624734][ T1270] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.624936][ T1270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd72e2d80
[   37.625131][ T1270] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd72e388c
| [   37.629391][ T1270] ------------[ cut here ]------------
| [   37.629529][ T1270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1270
| [   37.629787][ T1270] Modules linked in: vxlan
| [   37.630193][ T1270] Tainted: [W]=WARN
[   37.630292][ T1270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.630455][ T1270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.630629][ T1270] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.631101][ T1270] RSP: 0018:ffa0000002ab7918 EFLAGS: 00010286
[   37.631266][ T1270] RAX: 00000000ffffffa6 RBX: ff1100000c9363c0 RCX: 1ff4000000556ee9
[   37.631465][ T1270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c93647c
[   37.631668][ T1270] RBP: ff1100000a8dc000 R08: 1fe2200001926c91 R09: ff1100000fa75180
[   37.631866][ T1270] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.632065][ T1270] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8dc000
[   37.632266][ T1270] FS:  00007fe38b2f0840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   37.632496][ T1270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.632668][ T1270] CR2: 00007fe38b4f7430 CR3: 0000000011c3f001 CR4: 0000000000771ef0
[   37.633373][ T1270] PKRU: 55555554
[   37.633472][ T1270] Call Trace:
[   37.633574][ T1270]  <TASK>
[   37.633642][ T1270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.633772][ T1270]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.633959][ T1270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.634062][ T1270]  register_netdevice (net/core/dev.c:11488)
[   37.634193][ T1270]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.634353][ T1270]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.634486][ T1270]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   37.634623][ T1270]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   37.634752][ T1270]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   37.634940][ T1270]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   37.635125][ T1270]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   37.635260][ T1270]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   37.635393][ T1270]  ops_init (net/core/net_namespace.c:137)
[   37.635494][ T1270]  setup_net (net/core/net_namespace.c:446)
[   37.635597][ T1270]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.635726][ T1270]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.635913][ T1270]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.636047][ T1270]  copy_net_ns (net/core/net_namespace.c:579)
[   37.636178][ T1270]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.636311][ T1270]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.636443][ T1270]  ksys_unshare (kernel/fork.c:3243)
[   37.636579][ T1270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.636709][ T1270]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.636896][ T1270]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.637029][ T1270]  ? __ia32_sys_open (fs/open.c:1374)
[   37.637162][ T1270]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.637295][ T1270]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.637425][ T1270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.637559][ T1270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.637690][ T1270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.637819][ T1270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.638036][ T1270] RIP: 0033:0x7fe38b5b2bcb
[   37.638172][ T1270] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   37.638639][ T1270] RSP: 002b:00007fffd72e0b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.638889][ T1270] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe38b5b2bcb
[   37.639083][ T1270] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.639275][ T1270] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.639468][ T1270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd72e2d80
[   37.639664][ T1270] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd72e388c
| [   37.643973][ T1270] ------------[ cut here ]------------
| [   37.644111][ T1270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1270
| [   37.644370][ T1270] Modules linked in: vxlan
| [   37.644771][ T1270] Tainted: [W]=WARN
[   37.644880][ T1270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.645045][ T1270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.645215][ T1270] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.645687][ T1270] RSP: 0018:ffa0000002ab78f8 EFLAGS: 00010286
[   37.645861][ T1270] RAX: 00000000ffffffa6 RBX: ff1100000947aac0 RCX: 1ff4000000556ee5
[   37.646057][ T1270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947ab7c
[   37.646253][ T1270] RBP: ff11000007924000 R08: 1fe220000128f571 R09: ff1100000fa75180
[   37.646450][ T1270] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.646650][ T1270] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007924000
[   37.647371][ T1270] FS:  00007fe38b2f0840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   37.647609][ T1270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.647778][ T1270] CR2: 00007fe38b4f7430 CR3: 0000000011c3f001 CR4: 0000000000771ef0
[   37.648035][ T1270] PKRU: 55555554
[   37.648133][ T1270] Call Trace:
[   37.648233][ T1270]  <TASK>
[   37.648301][ T1270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.648434][ T1270]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.648570][ T1270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.648671][ T1270]  register_netdevice (net/core/dev.c:11488)
[   37.648805][ T1270]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.649027][ T1270]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.649160][ T1270]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   37.649292][ T1270]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   37.649422][ T1270]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   37.649559][ T1270]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   37.649692][ T1270]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   37.649881][ T1270]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   37.650015][ T1270]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.650151][ T1270]  vti_init_net (net/ipv4/ip_vti.c:517)
[   37.650284][ T1270]  ops_init (net/core/net_namespace.c:137)
[   37.650385][ T1270]  setup_net (net/core/net_namespace.c:446)
[   37.650484][ T1270]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.650620][ T1270]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.650752][ T1270]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.650945][ T1270]  copy_net_ns (net/core/net_namespace.c:579)
[   37.651080][ T1270]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.651216][ T1270]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.651349][ T1270]  ksys_unshare (kernel/fork.c:3243)
[   37.651480][ T1270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.651617][ T1270]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.651750][ T1270]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.651939][ T1270]  ? __ia32_sys_open (fs/open.c:1374)
[   37.652072][ T1270]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.652201][ T1270]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.652332][ T1270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.652461][ T1270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.652597][ T1270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.652729][ T1270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.652948][ T1270] RIP: 0033:0x7fe38b5b2bcb
[   37.653084][ T1270] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   37.653551][ T1270] RSP: 002b:00007fffd72e0b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.653748][ T1270] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe38b5b2bcb
[   37.654001][ T1270] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.654196][ T1270] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.654389][ T1270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd72e2d80
[   37.654589][ T1270] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd72e388c
| [   37.658957][ T1270] ------------[ cut here ]------------
| [   37.659134][ T1270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1270
| [   37.659440][ T1270] Modules linked in: vxlan
| [   37.659968][ T1270] Tainted: [W]=WARN
[   37.660113][ T1270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.660321][ T1270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.660546][ T1270] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.661068][ T1270] RSP: 0018:ffa0000002ab7a78 EFLAGS: 00010286
[   37.661281][ T1270] RAX: 00000000ffffffa6 RBX: ff1100000bc11000 RCX: 1ff4000000556f15
[   37.661530][ T1270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc110bc
[   37.661769][ T1270] RBP: ff1100000f00c000 R08: 1fe2200001782219 R09: ff1100000fa75180
[   37.662019][ T1270] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.662269][ T1270] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f00c000
[   37.662513][ T1270] FS:  00007fe38b2f0840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   37.662795][ T1270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.663017][ T1270] CR2: 000055bc7d569d5c CR3: 0000000011c3f003 CR4: 0000000000771ef0
[   37.663259][ T1270] PKRU: 55555554
[   37.663404][ T1270] Call Trace:
[   37.663555][ T1270]  <TASK>
[   37.663670][ T1270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.663867][ T1270]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.664045][ T1270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.664191][ T1270]  register_netdevice (net/core/dev.c:11488)
[   37.664369][ T1270]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.664588][ T1270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.664768][ T1270]  register_netdev (net/core/dev.c:11552)
[   37.664957][ T1270]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   37.665141][ T1270]  ops_init (net/core/net_namespace.c:137)
[   37.665287][ T1270]  setup_net (net/core/net_namespace.c:446)
[   37.665433][ T1270]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.665618][ T1270]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.665796][ T1270]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.665996][ T1270]  copy_net_ns (net/core/net_namespace.c:579)
[   37.666176][ T1270]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.666359][ T1270]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.666543][ T1270]  ksys_unshare (kernel/fork.c:3243)
[   37.666721][ T1270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.666914][ T1270]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.667092][ T1270]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.667269][ T1270]  ? __ia32_sys_open (fs/open.c:1374)
[   37.667447][ T1270]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.667633][ T1270]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.667808][ T1270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.668009][ T1270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.668186][ T1270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.668363][ T1270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.668579][ T1270] RIP: 0033:0x7fe38b5b2bcb
[   37.668760][ T1270] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   37.669277][ T1270] RSP: 002b:00007fffd72e0b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.669526][ T1270] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe38b5b2bcb
[   37.669765][ T1270] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.670020][ T1270] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.670259][ T1270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd72e2d80
[   37.670499][ T1270] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd72e388c
| [   37.675777][ T1270] ------------[ cut here ]------------
| [   37.675964][ T1270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1270
| [   37.676276][ T1270] Modules linked in: vxlan
| [   37.676777][ T1270] Tainted: [W]=WARN
[   37.676934][ T1270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.677143][ T1270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.677358][ T1270] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.677951][ T1270] RSP: 0018:ffa0000002ab7a68 EFLAGS: 00010286
[   37.678218][ T1270] RAX: 00000000ffffffa6 RBX: ff1100000a1b2580 RCX: 1ff4000000556f13
[   37.678512][ T1270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b263c
[   37.678814][ T1270] RBP: ff1100000f4ec000 R08: 1fe22000014364c9 R09: ff1100000fa75180
[   37.679178][ T1270] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.679475][ T1270] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f4ec000
[   37.679778][ T1270] FS:  00007fe38b2f0840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   37.680119][ T1270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.680387][ T1270] CR2: 000055bc7d569d5c CR3: 0000000011c3f003 CR4: 0000000000771ef0
[   37.680687][ T1270] PKRU: 55555554
[   37.680900][ T1270] Call Trace:
[   37.681097][ T1270]  <TASK>
[   37.681264][ T1270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.681494][ T1270]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.681691][ T1270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.681850][ T1270]  register_netdevice (net/core/dev.c:11488)
[   37.682032][ T1270]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.682243][ T1270]  register_netdev (net/core/dev.c:11552)
[   37.682422][ T1270]  sit_init_net (net/ipv6/sit.c:1860)
[   37.682612][ T1270]  ops_init (net/core/net_namespace.c:137)
[   37.682761][ T1270]  setup_net (net/core/net_namespace.c:446)
[   37.682922][ T1270]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.683098][ T1270]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.683277][ T1270]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.683456][ T1270]  copy_net_ns (net/core/net_namespace.c:579)
[   37.683643][ T1270]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.683838][ T1270]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.684016][ T1270]  ksys_unshare (kernel/fork.c:3243)
[   37.684195][ T1270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.684373][ T1270]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.684561][ T1270]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.684741][ T1270]  ? __ia32_sys_open (fs/open.c:1374)
[   37.684936][ T1270]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.685113][ T1270]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.685289][ T1270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.685465][ T1270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.685649][ T1270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.685842][ T1270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.686054][ T1270] RIP: 0033:0x7fe38b5b2bcb
[   37.686237][ T1270] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   37.686750][ T1270] RSP: 002b:00007fffd72e0b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.687007][ T1270] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe38b5b2bcb
[   37.687246][ T1270] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.687488][ T1270] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.687734][ T1270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd72e2d80
[   37.687989][ T1270] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd72e388c
| [   37.693410][ T1270] ------------[ cut here ]------------
| [   37.693594][ T1270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1270
| [   37.693914][ T1270] Modules linked in: vxlan
| [   37.694416][ T1270] Tainted: [W]=WARN
[   37.694565][ T1270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.694775][ T1270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.695010][ T1270] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.695528][ T1270] RSP: 0018:ffa0000002ab7a78 EFLAGS: 00010286
[   37.695742][ T1270] RAX: 00000000ffffffa6 RBX: ff1100000bc36200 RCX: 1ff4000000556f15
[   37.696070][ T1270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc362bc
[   37.696368][ T1270] RBP: ff11000009254000 R08: 1fe2200001786c59 R09: ff1100000fa75180
[   37.696673][ T1270] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.696984][ T1270] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009254000
[   37.697285][ T1270] FS:  00007fe38b2f0840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   37.697624][ T1270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.697904][ T1270] CR2: 000055bc7d569d5c CR3: 0000000011c3f003 CR4: 0000000000771ef0
[   37.698217][ T1270] PKRU: 55555554
[   37.698417][ T1270] Call Trace:
[   37.698623][ T1270]  <TASK>
[   37.698792][ T1270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.699040][ T1270]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.699272][ T1270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.699475][ T1270]  register_netdevice (net/core/dev.c:11488)
[   37.699723][ T1270]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.700001][ T1270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.700236][ T1270]  register_netdev (net/core/dev.c:11552)
[   37.700469][ T1270]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   37.700718][ T1270]  ops_init (net/core/net_namespace.c:137)
[   37.700932][ T1270]  setup_net (net/core/net_namespace.c:446)
[   37.701135][ T1270]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   37.701369][ T1270]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   37.701608][ T1270]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   37.701860][ T1270]  copy_net_ns (net/core/net_namespace.c:579)
[   37.702097][ T1270]  create_new_namespaces (kernel/nsproxy.c:132)
[   37.702334][ T1270]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   37.702555][ T1270]  ksys_unshare (kernel/fork.c:3243)
[   37.702732][ T1270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.702925][ T1270]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   37.703106][ T1270]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   37.703286][ T1270]  ? __ia32_sys_open (fs/open.c:1374)
[   37.703469][ T1270]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   37.703664][ T1270]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   37.703858][ T1270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.704039][ T1270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.704216][ T1270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.704396][ T1270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.704614][ T1270] RIP: 0033:0x7fe38b5b2bcb
[   37.704799][ T1270] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   37.705325][ T1270] RSP: 002b:00007fffd72e0b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   37.705577][ T1270] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe38b5b2bcb
[   37.705833][ T1270] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   37.706079][ T1270] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   37.706321][ T1270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffd72e2d80
[   37.706568][ T1270] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffd72e388c
| [   37.737430][ T1271] ------------[ cut here ]------------
| [   37.737583][ T1271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1271
| [   37.738426][ T1271] Modules linked in: vxlan
| [   37.738833][ T1271] Tainted: [W]=WARN
[   37.738930][ T1271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.739093][ T1271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.739261][ T1271] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.739721][ T1271] RSP: 0018:ffa0000002ab7020 EFLAGS: 00010286
[   37.739888][ T1271] RAX: 00000000ffffffa6 RBX: ff1100000bc37e00 RCX: 1ff4000000556dca
[   37.740079][ T1271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc37ebc
[   37.740269][ T1271] RBP: ff1100000f1dc000 R08: 1fe2200001786fd9 R09: ff11000004d22e58
[   37.740460][ T1271] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   37.740658][ T1271] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.740857][ T1271] FS:  00007f5e40c2f840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   37.741084][ T1271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.741245][ T1271] CR2: 000000003676c988 CR3: 000000000f6c3006 CR4: 0000000000771ef0
[   37.741439][ T1271] PKRU: 55555554
[   37.741540][ T1271] Call Trace:
[   37.741636][ T1271]  <TASK>
[   37.741704][ T1271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.741839][ T1271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.741939][ T1271]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.742068][ T1271]  __dev_notify_flags (net/core/dev.c:9787)
[   37.742199][ T1271]  ? netif_change_name (net/core/dev.c:1495)
[   37.742328][ T1271]  ? __dev_change_flags (net/core/dev.c:9752)
[   37.742458][ T1271]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   37.742592][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.742723][ T1271]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   37.742861][ T1271]  netif_change_flags (net/core/dev.c:9820)
[   37.742992][ T1271]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.743123][ T1271]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   37.743256][ T1271]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.743387][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.743555][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.743687][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.743816][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.743951][ T1271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.744086][ T1271]  ? __kernel_text_address (kernel/extable.c:79)
[   37.744215][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.744346][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.744477][ T1271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.744611][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.744741][ T1271]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.744875][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.745003][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.745132][ T1271]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.745260][ T1271]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   37.745389][ T1271]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.745523][ T1271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.745654][ T1271]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.745788][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.745925][ T1271]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.746058][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.746186][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.746315][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.746446][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.746581][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.746712][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.746845][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.746974][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.747104][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.747235][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.747364][ T1271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.747494][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.747627][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.747756][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.747893][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.748023][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.748153][ T1271]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.748284][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.748415][ T1271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.748553][ T1271]  ? 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))
[   37.748681][ T1271]  ? 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))
[   37.748812][ T1271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.748948][ T1271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.749077][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.749205][ T1271]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.749335][ T1271]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.749466][ T1271]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.749603][ T1271]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.749733][ T1271]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.749866][ T1271]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.750027][ T1271]  ? move_addr_to_kernel (net/socket.c:258)
[   37.750158][ T1271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.750288][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.750418][ T1271]  ___sys_sendmsg (net/socket.c:2752)
[   37.750553][ T1271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.750712][ T1271]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.750858][ T1271]  __sys_sendmsg (net/socket.c:2784)
[   37.750987][ T1271]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.751116][ T1271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.751280][ T1271]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.751411][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.751547][ T1271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.751676][ T1271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.751805][ T1271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.751939][ T1271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.752101][ T1271] RIP: 0033:0x7f5e40e6908e
[   37.752235][ T1271] 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
[   37.752697][ T1271] RSP: 002b:00007ffd34b075b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.752896][ T1271] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5e40e6908e
[   37.753090][ T1271] RDX: 0000000000000000 RSI: 00007ffd34b07660 RDI: 0000000000000005
[   37.753283][ T1271] RBP: 00007ffd34b075c0 R08: 0000000000000000 R09: 0000000000000000
[   37.753476][ T1271] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c4
[   37.753673][ T1271] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd34b07d30
| [   37.859778][ T1274] ------------[ cut here ]------------
| [   37.859949][ T1274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1274
| [   37.860232][ T1274] Modules linked in: vxlan
| [   37.860671][ T1274] Tainted: [W]=WARN
[   37.860776][ T1274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.860958][ T1274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.861143][ T1274] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.861646][ T1274] RSP: 0018:ffa0000002ae6fd0 EFLAGS: 00010286
[   37.861827][ T1274] RAX: 00000000ffffffa6 RBX: ff1100000c405540 RCX: 1ff400000055cdc0
[   37.862036][ T1274] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4055fc
[   37.862245][ T1274] RBP: ff1100000539a000 R08: 1fe2200001880ac1 R09: ff1100000aab2e80
[   37.862455][ T1274] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.862668][ T1274] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000539ae44
[   37.862882][ T1274] FS:  00007f1e7ef1a840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   37.863127][ T1274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.863301][ T1274] CR2: 0000000000437490 CR3: 0000000011e37001 CR4: 0000000000771ef0
[   37.863513][ T1274] PKRU: 55555554
[   37.863622][ T1274] Call Trace:
[   37.863726][ T1274]  <TASK>
[   37.863799][ T1274]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.863948][ T1274]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   37.864095][ T1274]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.864201][ T1274]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   37.864343][ T1274]  __dev_notify_flags (net/core/dev.c:9787)
[   37.864484][ T1274]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.864629][ T1274]  ? netif_change_name (net/core/dev.c:1495)
[   37.864772][ T1274]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   37.864920][ T1274]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.865064][ T1274] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   37.865207][ T1274]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   37.865355][ T1274] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   37.865499][ T1274]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   37.865649][ T1274]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   37.865789][ T1274]  ? nla_strscpy (lib/nlattr.c:795)
[   37.865937][ T1274]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   37.866080][ T1274]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.866224][ T1274]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.866364][ T1274]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.866509][ T1274]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.866659][ T1274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.866800][ T1274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.866945][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.867088][ T1274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.867229][ T1274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.867369][ T1274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.867511][ T1274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.867657][ T1274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.867797][ T1274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.867941][ T1274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.868081][ T1274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.868220][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.868362][ T1274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.868500][ T1274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.868648][ T1274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.868788][ T1274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.868933][ T1274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.869076][ T1274]  ? 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))
[   37.869216][ T1274]  ? 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))
[   37.869357][ T1274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.869499][ T1274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.869644][ T1274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.869786][ T1274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.869934][ T1274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.870076][ T1274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.870218][ T1274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.870359][ T1274]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.870499][ T1274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.870677][ T1274]  ? move_addr_to_kernel (net/socket.c:258)
[   37.870827][ T1274]  ___sys_sendmsg (net/socket.c:2752)
[   37.870968][ T1274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.871108][ T1274]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.871257][ T1274]  ? 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))
[   37.871400][ T1274]  __sys_sendmsg (net/socket.c:2784)
[   37.871548][ T1274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.871692][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.871837][ T1274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.871979][ T1274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.872118][ T1274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.872259][ T1274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.872398][ T1274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.872576][ T1274] RIP: 0033:0x7f1e7f15408e
[   37.872723][ T1274] 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
[   37.873225][ T1274] RSP: 002b:00007ffffdf825a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.873437][ T1274] RAX: ffffffffffffffda RBX: 00007ffffdf82d50 RCX: 00007f1e7f15408e
[   37.873652][ T1274] RDX: 0000000000000000 RSI: 00007ffffdf82650 RDI: 0000000000000005
[   37.873866][ T1274] RBP: 00007ffffdf825b0 R08: 0000000000000000 R09: 0000000000000000
[   37.874079][ T1274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c5
[   37.874294][ T1274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffdf82d20
| [   37.908599][ T1275] ------------[ cut here ]------------
| [   37.908759][ T1275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1275
| [   37.909049][ T1275] Modules linked in: vxlan
| [   37.909479][ T1275] Tainted: [W]=WARN
[   37.909591][ T1275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.909767][ T1275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.909955][ T1275] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.910456][ T1275] RSP: 0018:ffa0000002af6fd0 EFLAGS: 00010286
[   37.910639][ T1275] RAX: 00000000ffffffa6 RBX: ff1100000a1b2e40 RCX: 1ff400000055edc0
[   37.910855][ T1275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b2efc
[   37.911065][ T1275] RBP: ff1100000fc8a000 R08: 1fe22000014365e1 R09: ff1100000ff9ae80
[   37.911271][ T1275] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   37.911479][ T1275] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc8ae44
[   37.911693][ T1275] FS:  00007f6469dca840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   37.911946][ T1275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.912126][ T1275] CR2: 0000000000437490 CR3: 0000000011e3f006 CR4: 0000000000771ef0
[   37.912338][ T1275] PKRU: 55555554
[   37.912442][ T1275] Call Trace:
[   37.912554][ T1275]  <TASK>
[   37.912626][ T1275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.912768][ T1275]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   37.912920][ T1275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.913028][ T1275]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   37.913172][ T1275]  __dev_notify_flags (net/core/dev.c:9787)
[   37.913315][ T1275]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.913457][ T1275]  ? netif_change_name (net/core/dev.c:1495)
[   37.913604][ T1275]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   37.913748][ T1275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.913899][ T1275] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   37.914047][ T1275]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   37.914193][ T1275] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   37.914336][ T1275]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   37.914482][ T1275]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   37.914629][ T1275]  ? nla_strscpy (lib/nlattr.c:795)
[   37.914771][ T1275]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   37.914921][ T1275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.915063][ T1275]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.915202][ T1275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.915350][ T1275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.915495][ T1275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.915643][ T1275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.915782][ T1275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.915930][ T1275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.916069][ T1275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.916213][ T1275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.916359][ T1275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.916500][ T1275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.916647][ T1275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.916786][ T1275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.916934][ T1275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.917075][ T1275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.917217][ T1275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.917356][ T1275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.917496][ T1275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.917641][ T1275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.917780][ T1275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.917928][ T1275]  ? 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))
[   37.918068][ T1275]  ? 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))
[   37.918210][ T1275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.918351][ T1275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.918492][ T1275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.918641][ T1275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.918783][ T1275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.918930][ T1275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.919075][ T1275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.919218][ T1275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.919359][ T1275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.919535][ T1275]  ? move_addr_to_kernel (net/socket.c:258)
[   37.919681][ T1275]  ___sys_sendmsg (net/socket.c:2752)
[   37.919826][ T1275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.919966][ T1275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.920119][ T1275]  ? 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))
[   37.920263][ T1275]  __sys_sendmsg (net/socket.c:2784)
[   37.920404][ T1275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.920554][ T1275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.920695][ T1275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.920839][ T1275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.920980][ T1275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.921122][ T1275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.921263][ T1275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.921439][ T1275] RIP: 0033:0x7f646a00408e
[   37.921596][ T1275] 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
[   37.922106][ T1275] RSP: 002b:00007fff03eb9ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.922318][ T1275] RAX: ffffffffffffffda RBX: 00007fff03eba6a0 RCX: 00007f646a00408e
[   37.922531][ T1275] RDX: 0000000000000000 RSI: 00007fff03eb9fa0 RDI: 0000000000000005
[   37.922742][ T1275] RBP: 00007fff03eb9f00 R08: 0000000000000000 R09: 0000000000000000
[   37.922958][ T1275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c5
[   37.923170][ T1275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff03eba670
| [   37.953368][ T1276] ------------[ cut here ]------------
| [   37.953528][ T1276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1276
| [   37.953802][ T1276] Modules linked in: vxlan
| [   37.954227][ T1276] Tainted: [W]=WARN
[   37.954329][ T1276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.954500][ T1276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.954684][ T1276] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   37.955173][ T1276] RSP: 0018:ffa0000002b071b0 EFLAGS: 00010286
[   37.955341][ T1276] RAX: 00000000ffffffa6 RBX: ff1100000940ae40 RCX: 1ff4000000560dfc
[   37.955548][ T1276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000940aefc
[   37.955752][ T1276] RBP: ff11000011e62000 R08: 1fe22000012815e1 R09: ff11000012440b80
[   37.955959][ T1276] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   37.956160][ T1276] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   37.956363][ T1276] FS:  00007f12b78d7840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   37.956606][ T1276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.956776][ T1276] CR2: 00007f1e7efe7574 CR3: 0000000004c60002 CR4: 0000000000771ef0
[   37.956986][ T1276] PKRU: 55555554
[   37.957089][ T1276] Call Trace:
[   37.957189][ T1276]  <TASK>
[   37.957260][ T1276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.957397][ T1276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.957500][ T1276]  __dev_notify_flags (net/core/dev.c:9787)
[   37.957644][ T1276]  ? netif_change_name (net/core/dev.c:1495)
[   37.957781][ T1276]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   37.957955][ T1276]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.958094][ T1276]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.958229][ T1276]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   37.958365][ T1276]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   37.958501][ T1276]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.958640][ T1276]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.958795][ T1276]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.958940][ T1276]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.959080][ T1276]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.959217][ T1276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.959351][ T1276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.959486][ T1276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.959627][ T1276]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.959762][ T1276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.959906][ T1276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.960041][ T1276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.960174][ T1276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.960311][ T1276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.960447][ T1276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.960586][ T1276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.960724][ T1276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.960862][ T1276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.961001][ T1276]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.961138][ T1276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.961273][ T1276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.961411][ T1276]  ? 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))
[   37.961552][ T1276]  ? 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))
[   37.961690][ T1276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.961834][ T1276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.961970][ T1276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.962106][ T1276]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.962242][ T1276]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.962379][ T1276]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.962516][ T1276]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.962661][ T1276]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.962796][ T1276]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.962967][ T1276]  ? move_addr_to_kernel (net/socket.c:258)
[   37.963109][ T1276]  ___sys_sendmsg (net/socket.c:2752)
[   37.963243][ T1276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.963377][ T1276]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.963525][ T1276]  ? 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))
[   37.963661][ T1276]  __sys_sendmsg (net/socket.c:2784)
[   37.963797][ T1276]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.963939][ T1276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.964073][ T1276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.964208][ T1276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.964342][ T1276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.964477][ T1276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.964616][ T1276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.964782][ T1276] RIP: 0033:0x7f12b7b1108e
[   37.964929][ T1276] 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
[   37.965404][ T1276] RSP: 002b:00007fff1f246960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.965613][ T1276] RAX: ffffffffffffffda RBX: 00007fff1f247108 RCX: 00007f12b7b1108e
[   37.965814][ T1276] RDX: 0000000000000000 RSI: 00007fff1f246a10 RDI: 0000000000000005
[   37.966020][ T1276] RBP: 00007fff1f246970 R08: 0000000000000000 R09: 0000000000000000
[   37.966219][ T1276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c5
[   37.966418][ T1276] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1f2470e0
| [   38.005485][ T1277] ------------[ cut here ]------------
| [   38.005643][ T1277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1277
| [   38.005918][ T1277] Modules linked in: vxlan
| [   38.006332][ T1277] Tainted: [W]=WARN
[   38.006434][ T1277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.006609][ T1277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.006782][ T1277] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.007267][ T1277] RSP: 0018:ffa0000002b171b0 EFLAGS: 00010286
[   38.007436][ T1277] RAX: 00000000ffffffa6 RBX: ff1100001199b380 RCX: 1ff4000000562dfc
[   38.007643][ T1277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001199b43c
[   38.007848][ T1277] RBP: ff11000009652000 R08: 1fe2200002333689 R09: ff11000012445180
[   38.008051][ T1277] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.008250][ T1277] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   38.008455][ T1277] FS:  00007f4a5f722840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   38.008696][ T1277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.008869][ T1277] CR2: 00007f4a5f91b460 CR3: 0000000011e4f002 CR4: 0000000000771ef0
[   38.009074][ T1277] PKRU: 55555554
[   38.009175][ T1277] Call Trace:
[   38.009275][ T1277]  <TASK>
[   38.009344][ T1277]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   38.009482][ T1277]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   38.009593][ T1277]  __dev_notify_flags (net/core/dev.c:9787)
[   38.009729][ T1277]  ? netif_change_name (net/core/dev.c:1495)
[   38.009869][ T1277]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   38.010037][ T1277]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   38.010175][ T1277]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   38.010310][ T1277]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   38.010449][ T1277]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   38.010592][ T1277]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   38.010727][ T1277]  ? __dev_get_by_name (net/core/dev.c:883)
[   38.010865][ T1277]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   38.011005][ T1277]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   38.011143][ T1277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   38.011278][ T1277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.011411][ T1277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.011555][ T1277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.011690][ T1277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.011827][ T1277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.011965][ T1277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.012101][ T1277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   38.012235][ T1277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.012368][ T1277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.012503][ T1277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.012640][ T1277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.012774][ T1277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.012912][ T1277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.013045][ T1277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.013180][ T1277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.013311][ T1277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.013448][ T1277]  ? 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))
[   38.013587][ T1277]  ? 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))
[   38.013722][ T1277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.013861][ T1277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.013995][ T1277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.014129][ T1277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.014262][ T1277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.014397][ T1277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.014538][ T1277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.014673][ T1277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.014806][ T1277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.014975][ T1277]  ? move_addr_to_kernel (net/socket.c:258)
[   38.015114][ T1277]  ___sys_sendmsg (net/socket.c:2752)
[   38.015246][ T1277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.015379][ T1277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.015528][ T1277]  ? 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))
[   38.015664][ T1277]  __sys_sendmsg (net/socket.c:2784)
[   38.015798][ T1277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.015938][ T1277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.016073][ T1277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.016208][ T1277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.016340][ T1277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.016473][ T1277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.016613][ T1277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.016779][ T1277] RIP: 0033:0x7f4a5f95c08e
[   38.016926][ T1277] 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
[   38.017401][ T1277] RSP: 002b:00007ffc165e0cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.017610][ T1277] RAX: ffffffffffffffda RBX: 00007ffc165e1468 RCX: 00007f4a5f95c08e
[   38.017810][ T1277] RDX: 0000000000000000 RSI: 00007ffc165e0d70 RDI: 0000000000000005
[   38.018013][ T1277] RBP: 00007ffc165e0cd0 R08: 0000000000000000 R09: 0000000000000000
[   38.018210][ T1277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c5
[   38.018409][ T1277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc165e1440
| [   38.687882][ T1316] ------------[ cut here ]------------
| [   38.688048][ T1316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1316
| [   38.688304][ T1316] Modules linked in: vxlan
| [   38.688702][ T1316] Tainted: [W]=WARN
[   38.688798][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.689618][ T1316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.689786][ T1316] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.690263][ T1316] RSP: 0018:ffa0000002c57190 EFLAGS: 00010286
[   38.690421][ T1316] RAX: 00000000ffffffa6 RBX: ff1100000d25b8c0 RCX: 1ff400000058adf8
[   38.690613][ T1316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d25b97c
[   38.690796][ T1316] RBP: ff11000009652000 R08: 1fe2200001a4b731 R09: ff1100000f105158
[   38.690984][ T1316] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   38.691167][ T1316] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.691355][ T1316] FS:  00007efde82d7840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   38.691576][ T1316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.691735][ T1316] CR2: 000000002945f988 CR3: 000000000b09b006 CR4: 0000000000771ef0
[   38.691926][ T1316] PKRU: 55555554
[   38.692019][ T1316] Call Trace:
[   38.692113][ T1316]  <TASK>
[   38.692178][ T1316]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.692339][ T1316]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.692495][ T1316]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.692627][ T1316]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.692752][ T1316]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   38.692920][ T1316]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   38.693045][ T1316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.693170][ T1316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.693295][ T1316]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.693419][ T1316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.693548][ T1316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.693690][ T1316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.693812][ T1316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.693940][ T1316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.694063][ T1316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.694191][ T1316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.694314][ T1316]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   38.694443][ T1316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.694571][ T1316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.694696][ T1316]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.694826][ T1316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.694953][ T1316]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.695078][ T1316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.695204][ T1316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.695326][ T1316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.695450][ T1316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.695583][ T1316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.695706][ T1316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.695835][ T1316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.695958][ T1316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.696088][ T1316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.696215][ T1316]  ? 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))
[   38.696338][ T1316]  ? 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))
[   38.696463][ T1316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.696602][ T1316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.696725][ T1316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.696854][ T1316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.696980][ T1316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.697105][ T1316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.697231][ T1316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.697355][ T1316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.697479][ T1316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.697636][ T1316]  ? move_addr_to_kernel (net/socket.c:258)
[   38.697770][ T1316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.697898][ T1316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.698027][ T1316]  ___sys_sendmsg (net/socket.c:2752)
[   38.698150][ T1316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.698305][ T1316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.698441][ T1316]  __sys_sendmsg (net/socket.c:2784)
[   38.698570][ T1316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.698694][ T1316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.698855][ T1316]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.698981][ T1316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.699105][ T1316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.699230][ T1316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.699355][ T1316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.699479][ T1316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.699640][ T1316] RIP: 0033:0x7efde851108e
[   38.699772][ T1316] 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
[   38.700229][ T1316] RSP: 002b:00007ffe13c9e630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.700417][ T1316] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efde851108e
[   38.700608][ T1316] RDX: 0000000000000000 RSI: 00007ffe13c9e6e0 RDI: 0000000000000005
[   38.700794][ T1316] RBP: 00007ffe13c9e640 R08: 0000000000000000 R09: 0000000000000000
[   38.700999][ T1316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c5
[   38.701183][ T1316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe13c9edb0
| [   38.741924][ T1317] ------------[ cut here ]------------
| [   38.742072][ T1317] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1317
| [   38.742331][ T1317] Modules linked in: vxlan
| [   38.742720][ T1317] Tainted: [W]=WARN
[   38.742814][ T1317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.743581][ T1317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.743745][ T1317] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.744196][ T1317] RSP: 0018:ffa0000002c67190 EFLAGS: 00010286
[   38.744349][ T1317] RAX: 00000000ffffffa6 RBX: ff1100000dbf91c0 RCX: 1ff400000058cdf8
[   38.744536][ T1317] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbf927c
[   38.744719][ T1317] RBP: ff11000011e62000 R08: 1fe2200001b7f251 R09: ff1100000f100b58
[   38.744909][ T1317] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.745092][ T1317] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.745278][ T1317] FS:  00007f41ae49e840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   38.745493][ T1317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.745653][ T1317] CR2: 000000002745f988 CR3: 000000000aa5e002 CR4: 0000000000771ef0
[   38.745847][ T1317] PKRU: 55555554
[   38.745941][ T1317] Call Trace:
[   38.746035][ T1317]  <TASK>
[   38.746099][ T1317]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.746258][ T1317]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.746411][ T1317]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.746541][ T1317]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.746665][ T1317]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   38.746830][ T1317]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   38.746957][ T1317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.747080][ T1317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.747205][ T1317]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.747329][ T1317]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.747452][ T1317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.747602][ T1317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.747727][ T1317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.747856][ T1317]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.747981][ T1317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.748105][ T1317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.748230][ T1317]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   38.748358][ T1317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.748482][ T1317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.748613][ T1317]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.748738][ T1317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.748868][ T1317]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.748994][ T1317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.749119][ T1317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.749244][ T1317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.749368][ T1317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.749495][ T1317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.749626][ T1317]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.749754][ T1317]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.749885][ T1317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.750011][ T1317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.750140][ T1317]  ? 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))
[   38.750264][ T1317]  ? 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))
[   38.750391][ T1317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.750518][ T1317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.750649][ T1317]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.750775][ T1317]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.750907][ T1317]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.751033][ T1317]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.751160][ T1317]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.751287][ T1317]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.751412][ T1317]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.751574][ T1317]  ? move_addr_to_kernel (net/socket.c:258)
[   38.751700][ T1317]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.751830][ T1317]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.751959][ T1317]  ___sys_sendmsg (net/socket.c:2752)
[   38.752084][ T1317]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.752241][ T1317]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.752378][ T1317]  __sys_sendmsg (net/socket.c:2784)
[   38.752505][ T1317]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.752637][ T1317]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.752796][ T1317]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.752925][ T1317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.753054][ T1317]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.753180][ T1317]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.753307][ T1317]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.753433][ T1317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.753593][ T1317] RIP: 0033:0x7f41ae6d808e
[   38.753726][ T1317] 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
[   38.754180][ T1317] RSP: 002b:00007ffff68bfa00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.754369][ T1317] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f41ae6d808e
[   38.754562][ T1317] RDX: 0000000000000000 RSI: 00007ffff68bfab0 RDI: 0000000000000005
[   38.754748][ T1317] RBP: 00007ffff68bfa10 R08: 0000000000000000 R09: 0000000000000000
[   38.754945][ T1317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c5
[   38.755134][ T1317] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff68c0180
| [   38.801803][ T1318] ------------[ cut here ]------------
| [   38.801960][ T1318] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1318
| [   38.802207][ T1318] Modules linked in: vxlan
| [   38.802589][ T1318] Tainted: [W]=WARN
[   38.802682][ T1318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.802845][ T1318] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.803008][ T1318] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.803442][ T1318] RSP: 0018:ffa0000002c77190 EFLAGS: 00010286
[   38.803606][ T1318] RAX: 00000000ffffffa6 RBX: ff1100000c936e40 RCX: 1ff400000058edf8
[   38.803790][ T1318] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c936efc
[   38.804542][ T1318] RBP: ff1100000fc8a000 R08: 1fe2200001926de1 R09: ff11000004df0b58
[   38.804729][ T1318] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   38.804916][ T1318] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.805104][ T1318] FS:  00007fd74a594840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   38.805318][ T1318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.805472][ T1318] CR2: 000000000900d988 CR3: 0000000011cfa002 CR4: 0000000000771ef0
[   38.805662][ T1318] PKRU: 55555554
[   38.805754][ T1318] Call Trace:
[   38.805854][ T1318]  <TASK>
[   38.805918][ T1318]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.806076][ T1318]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.806229][ T1318]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.806353][ T1318]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   38.806476][ T1318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.806603][ T1318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.806726][ T1318]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.806857][ T1318]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.806980][ T1318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.807120][ T1318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.807251][ T1318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.807374][ T1318]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.807495][ T1318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.807623][ T1318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.807745][ T1318]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   38.807880][ T1318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.808002][ T1318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.808124][ T1318]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.808246][ T1318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.808367][ T1318]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.808489][ T1318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.808619][ T1318]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.808742][ T1318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.808867][ T1318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.808991][ T1318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.809114][ T1318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.809236][ T1318]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.809358][ T1318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.809480][ T1318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.809614][ T1318]  ? 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))
[   38.809736][ T1318]  ? 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))
[   38.809866][ T1318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.809991][ T1318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.810115][ T1318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.810239][ T1318]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.810364][ T1318]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.810490][ T1318]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.810622][ T1318]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.810747][ T1318]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.810878][ T1318]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.811031][ T1318]  ? move_addr_to_kernel (net/socket.c:258)
[   38.811154][ T1318]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.811278][ T1318]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.811403][ T1318]  ___sys_sendmsg (net/socket.c:2752)
[   38.811532][ T1318]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.811687][ T1318]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.811828][ T1318]  __sys_sendmsg (net/socket.c:2784)
[   38.811952][ T1318]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.812075][ T1318]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.812230][ T1318]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.812353][ T1318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.812479][ T1318]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.812607][ T1318]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.812730][ T1318]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.812860][ T1318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.813012][ T1318] RIP: 0033:0x7fd74a7ce08e
[   38.813141][ T1318] 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
[   38.813581][ T1318] RSP: 002b:00007ffe3aacd9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.813765][ T1318] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd74a7ce08e
[   38.813953][ T1318] RDX: 0000000000000000 RSI: 00007ffe3aacda90 RDI: 0000000000000005
[   38.814137][ T1318] RBP: 00007ffe3aacd9f0 R08: 0000000000000000 R09: 0000000000000000
[   38.814323][ T1318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   38.814506][ T1318] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3aace160
| [   38.856780][ T1319] ------------[ cut here ]------------
| [   38.857428][ T1319] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1319
| [   38.857688][ T1319] Modules linked in: vxlan
| [   38.858082][ T1319] Tainted: [W]=WARN
[   38.858176][ T1319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.858332][ T1319] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.858495][ T1319] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.858944][ T1319] RSP: 0018:ffa0000002c87190 EFLAGS: 00010286
[   38.859100][ T1319] RAX: 00000000ffffffa6 RBX: ff1100000da6e740 RCX: 1ff4000000590df8
[   38.859284][ T1319] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da6e7fc
[   38.859472][ T1319] RBP: ff1100000539a000 R08: 1fe2200001b4dd01 R09: ff11000004df2e58
[   38.859659][ T1319] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   38.859849][ T1319] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.860034][ T1319] FS:  00007f714aeea840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   38.860263][ T1319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.860423][ T1319] CR2: 0000000015d8f988 CR3: 0000000011d77004 CR4: 0000000000771ef0
[   38.860617][ T1319] PKRU: 55555554
[   38.860710][ T1319] Call Trace:
[   38.860803][ T1319]  <TASK>
[   38.860871][ T1319]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.861032][ T1319]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.861189][ T1319]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.861317][ T1319]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   38.861443][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.861572][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.861695][ T1319]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.861818][ T1319]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.861946][ T1319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.862087][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.862215][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.862339][ T1319]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   38.862464][ T1319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.862598][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.862720][ T1319]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   38.862853][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.862977][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.863100][ T1319]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.863224][ T1319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.863352][ T1319]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   38.863477][ T1319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   38.863606][ T1319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.863727][ T1319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.863855][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.863984][ T1319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.864106][ T1319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.864231][ T1319]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   38.864358][ T1319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.864481][ T1319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.864613][ T1319]  ? 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))
[   38.864736][ T1319]  ? 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))
[   38.864870][ T1319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.864995][ T1319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.865120][ T1319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.865246][ T1319]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   38.865373][ T1319]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   38.865498][ T1319]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   38.865628][ T1319]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   38.865753][ T1319]  ? copy_msghdr_from_user (net/socket.c:2635)
[   38.865881][ T1319]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   38.866034][ T1319]  ? move_addr_to_kernel (net/socket.c:258)
[   38.866160][ T1319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.866285][ T1319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   38.866411][ T1319]  ___sys_sendmsg (net/socket.c:2752)
[   38.866538][ T1319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   38.866692][ T1319]  ? copy_msghdr_from_user (net/socket.c:2603)
[   38.866837][ T1319]  __sys_sendmsg (net/socket.c:2784)
[   38.866962][ T1319]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   38.867086][ T1319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   38.867244][ T1319]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.867368][ T1319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.867493][ T1319]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.867622][ T1319]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   38.867748][ T1319]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   38.867883][ T1319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.868037][ T1319] RIP: 0033:0x7f714b12408e
[   38.868170][ T1319] 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
[   38.868623][ T1319] RSP: 002b:00007ffdbee5d1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.868811][ T1319] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f714b12408e
[   38.869004][ T1319] RDX: 0000000000000000 RSI: 00007ffdbee5d2a0 RDI: 0000000000000005
[   38.869189][ T1319] RBP: 00007ffdbee5d200 R08: 0000000000000000 R09: 0000000000000000
[   38.869374][ T1319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   38.869566][ T1319] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbee5d970
| [   38.940116][   T68] ------------[ cut here ]------------
| [   38.940316][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   38.940611][   T68] Modules linked in: vxlan
| [   38.941111][   T68] Tainted: [W]=WARN
[   38.941250][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.941446][   T68] Workqueue: netns cleanup_net
[   38.941629][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.941880][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.942344][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   38.942545][   T68] RAX: 00000000ffffffa6 RBX: ff1100000954e200 RCX: 1ff4000000092eed
[   38.942767][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954e2bc
[   38.942998][   T68] RBP: ff11000009254000 R08: 1fe22000012a9c59 R09: ff1100000915aed0
[   38.943218][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.943442][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.943675][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   38.943937][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.944133][   T68] CR2: 000055bc7d569d5c CR3: 000000000fe3a006 CR4: 0000000000771ef0
[   38.944355][   T68] PKRU: 55555554
[   38.944491][   T68] Call Trace:
[   38.944631][   T68]  <TASK>
[   38.944739][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.944952][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.945149][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.945317][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.945485][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.945659][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.945843][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.946011][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.946179][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   38.946345][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.946516][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   38.946690][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.946866][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.947036][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.947201][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.947369][   T68]  process_one_work (kernel/workqueue.c:3314)
[   38.947549][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.947718][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.947905][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.948073][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.948240][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   38.948408][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.948587][   T68]  kthread (kernel/kthread.c:436)
[   38.948722][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.948930][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.949096][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.949264][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.949456][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.949627][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.949797][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.952489][   T68] ------------[ cut here ]------------
| [   38.952656][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   38.952990][   T68] Modules linked in: vxlan
| [   38.953474][   T68] Tainted: [W]=WARN
[   38.953620][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.953816][   T68] Workqueue: netns cleanup_net
[   38.954000][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.954199][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.954667][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   38.954870][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c404ac0 RCX: 1ff4000000092eed
[   38.955098][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c404b7c
[   38.955317][   T68] RBP: ff1100000f4ec000 R08: 1fe2200001880971 R09: ff1100000915aed0
[   38.955542][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.955763][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.956003][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   38.956256][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.956449][   T68] CR2: 000055bc7d569d5c CR3: 000000000fe3a006 CR4: 0000000000771ef0
[   38.956682][   T68] PKRU: 55555554
[   38.956816][   T68] Call Trace:
[   38.956968][   T68]  <TASK>
[   38.957077][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.957273][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.957469][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.957647][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.957814][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.958001][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.958178][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.958348][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.958515][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   38.958685][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.958866][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   38.959034][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.959197][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.959366][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.959537][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.959712][   T68]  process_one_work (kernel/workqueue.c:3314)
[   38.959896][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.960062][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.960233][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.960406][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.960579][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   38.960745][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.960926][   T68]  kthread (kernel/kthread.c:436)
[   38.961063][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.961261][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.961426][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.961630][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.961838][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.962006][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.962176][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.964890][   T68] ------------[ cut here ]------------
| [   38.965051][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   38.965329][   T68] Modules linked in: vxlan
| [   38.965999][   T68] Tainted: [W]=WARN
[   38.966225][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.966470][   T68] Workqueue: netns cleanup_net
[   38.966728][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.966991][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.967501][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   38.967754][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cd8bc40 RCX: 1ff4000000092eed
[   38.968030][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8bcfc
[   38.968303][   T68] RBP: ff1100000f00c000 R08: 1fe22000019b17a1 R09: ff1100000915aed0
[   38.968577][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.968862][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.969130][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   38.969424][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.969672][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   38.969947][   T68] PKRU: 55555554
[   38.970127][   T68] Call Trace:
[   38.970309][   T68]  <TASK>
[   38.970462][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.970714][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.970967][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.971180][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.971392][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.971611][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.971840][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.972055][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.972272][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   38.972479][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.972704][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   38.972931][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.973169][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.973423][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.973701][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.973978][   T68]  process_one_work (kernel/workqueue.c:3314)
[   38.974206][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.974367][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.974542][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.974710][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.974888][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   38.975057][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.975222][   T68]  kthread (kernel/kthread.c:436)
[   38.975357][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.975560][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.975726][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.975902][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.976094][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.976259][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.976424][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.978922][   T68] ------------[ cut here ]------------
| [   38.979083][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/68
| [   38.979361][   T68] Modules linked in: vxlan
| [   38.980233][   T68] Tainted: [W]=WARN
[   38.980427][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.980713][   T68] Workqueue: netns cleanup_net
[   38.980942][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.981193][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.981784][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   38.982035][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c7871c0 RCX: 1ff4000000092eed
[   38.982376][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c78727c
[   38.982646][   T68] RBP: ff11000007924000 R08: 1fe22000018f0e51 R09: ff1100000915aed0
[   38.982926][   T68] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   38.983192][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.983464][   T68] FS:  0000000000000000(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   38.983768][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.984093][   T68] CR2: 000055bc7d569d5c CR3: 0000000060f4d005 CR4: 0000000000771ef0
[   38.984361][   T68] PKRU: 55555554
[   38.984547][   T68] Call Trace:
[   38.984727][   T68]  <TASK>
[   38.984894][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.985170][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.985414][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.985636][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   38.985865][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.986103][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   38.986313][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   38.986540][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   38.986753][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   38.986976][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   38.987190][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   38.987400][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.987617][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   38.987873][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   38.988130][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   38.988403][   T68]  process_one_work (kernel/workqueue.c:3314)
[   38.988667][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   38.988938][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   38.989198][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   38.989484][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.989838][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   38.990094][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   38.990290][   T68]  kthread (kernel/kthread.c:436)
[   38.990423][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.990625][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.990792][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.990974][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   38.991169][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.991410][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   38.991586][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.995797][   T68] ------------[ cut here ]------------
| [   38.996109][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   38.996356][   T68] Modules linked in: vxlan
| [   38.996753][   T68] Tainted: [W]=WARN
[   38.996854][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.997004][   T68] Workqueue: netns cleanup_net
[   38.997126][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   38.997280][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   38.997703][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   38.997858][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c787c40 RCX: 1ff4000000092eed
[   38.998032][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c787cfc
[   38.998208][   T68] RBP: ff1100000a8dc000 R08: 1fe22000018f0fa1 R09: ff1100000915aed0
[   38.998381][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   38.998564][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   38.998739][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   38.998950][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.999096][   T68] CR2: 000055bc859b8018 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   38.999270][   T68] PKRU: 55555554
[   38.999364][   T68] Call Trace:
[   38.999452][   T68]  <TASK>
[   38.999513][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   38.999669][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   38.999816][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   38.999940][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   39.000063][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.000180][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   39.000299][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   39.000417][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   39.000538][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   39.000653][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.000777][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   39.000899][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   39.001014][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   39.001131][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.001250][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.001369][   T68]  process_one_work (kernel/workqueue.c:3314)
[   39.001487][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   39.001610][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.001731][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   39.001855][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   39.001976][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   39.002109][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   39.002226][   T68]  kthread (kernel/kthread.c:436)
[   39.002313][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.002458][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   39.002580][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   39.002698][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   39.002849][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   39.002968][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   39.003089][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.020435][   T68] ------------[ cut here ]------------
| [   39.020588][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   39.020856][   T68] Modules linked in: vxlan
| [   39.021270][   T68] Tainted: [W]=WARN
[   39.021363][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.021516][   T68] Workqueue: netns cleanup_net
[   39.021654][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.021817][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.022348][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   39.022503][   T68] RAX: 00000000ffffffa6 RBX: ff1100000c787a80 RCX: 1ff4000000092eaf
[   39.022702][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c787b3c
[   39.022894][   T68] RBP: ff1100000f1dc000 R08: 1fe22000018f0f69 R09: ff1100000915aed0
[   39.023079][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   39.023261][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   39.023448][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   39.023671][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.023833][   T68] CR2: 000055bc8594c120 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   39.024017][   T68] PKRU: 55555554
[   39.024110][   T68] Call Trace:
[   39.024202][   T68]  <TASK>
[   39.024267][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.024393][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.024489][   T68]  netif_close_many (net/core/dev.c:1804)
[   39.024617][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.024740][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.024868][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.024994][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   39.025119][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   39.025280][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   39.025438][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   39.025566][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.025691][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   39.025830][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   39.025985][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   39.026112][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   39.026237][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   39.026361][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   39.026486][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   39.026615][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   39.026742][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   39.026868][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.026994][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   39.027120][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   39.027243][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   39.027369][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.027493][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.027623][   T68]  process_one_work (kernel/workqueue.c:3314)
[   39.027753][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   39.027882][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.028010][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   39.028136][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   39.028258][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   39.028384][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   39.028508][   T68]  kthread (kernel/kthread.c:436)
[   39.028607][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.028761][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   39.028891][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   39.029015][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   39.029170][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   39.029294][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   39.029419][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.033211][   T68] ------------[ cut here ]------------
| [   39.033425][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   39.033691][   T68] Modules linked in: vxlan
| [   39.034104][   T68] Tainted: [W]=WARN
[   39.034193][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.034341][   T68] Workqueue: netns cleanup_net
[   39.034476][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.034638][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.035069][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   39.035219][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cb82740 RCX: 1ff4000000092ed5
[   39.035402][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb827fc
[   39.035588][   T68] RBP: ff1100000f1dc000 R08: 1fe2200001970501 R09: ff1100000915aed0
[   39.035762][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   39.035949][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   39.036134][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   39.036343][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.036491][   T68] CR2: 000055bc8594c120 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   39.036675][   T68] PKRU: 55555554
[   39.036763][   T68] Call Trace:
[   39.036863][   T68]  <TASK>
[   39.036926][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   39.037080][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   39.037231][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   39.037352][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   39.037471][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   39.037597][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   39.037722][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   39.037850][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   39.037972][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   39.038090][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.038212][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   39.038332][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   39.038451][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   39.038576][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.038698][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.038818][   T68]  process_one_work (kernel/workqueue.c:3314)
[   39.038946][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   39.039065][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.039192][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   39.039317][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   39.039436][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   39.039562][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   39.039683][   T68]  kthread (kernel/kthread.c:436)
[   39.039771][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.039923][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   39.040044][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   39.040163][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   39.040313][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   39.040433][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   39.040557][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.150748][ T1330] ------------[ cut here ]------------
| [   39.150983][ T1330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1330
| [   39.151299][ T1330] Modules linked in: vxlan
| [   39.151804][ T1330] Tainted: [W]=WARN
[   39.151965][ T1330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.152179][ T1330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.152396][ T1330] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.152939][ T1330] RSP: 0018:ffa0000002cd7a80 EFLAGS: 00010286
[   39.153162][ T1330] RAX: 00000000ffffffa6 RBX: ff1100000c32c200 RCX: 1ff400000059af16
[   39.153404][ T1330] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c32c2bc
[   39.153655][ T1330] RBP: ff110000091ac000 R08: 1fe2200001865859 R09: ff1100000e64d180
[   39.153917][ T1330] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.154159][ T1330] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091ac000
[   39.154408][ T1330] FS:  00007fac8b74c840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   39.154693][ T1330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.154916][ T1330] CR2: 00007fac8b94dc20 CR3: 000000001191c003 CR4: 0000000000771ef0
[   39.155163][ T1330] PKRU: 55555554
[   39.155311][ T1330] Call Trace:
[   39.155456][ T1330]  <TASK>
[   39.155574][ T1330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.155754][ T1330]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.155945][ T1330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.156095][ T1330]  register_netdevice (net/core/dev.c:11488)
[   39.156275][ T1330]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.156485][ T1330]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.156674][ T1330]  register_netdev (net/core/dev.c:11552)
[   39.156866][ T1330]  loopback_net_init (drivers/net/loopback.c:218)
[   39.157047][ T1330]  ops_init (net/core/net_namespace.c:137)
[   39.157196][ T1330]  setup_net (net/core/net_namespace.c:446)
[   39.157343][ T1330]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.157554][ T1330]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.157790][ T1330]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.158041][ T1330]  copy_net_ns (net/core/net_namespace.c:579)
[   39.158280][ T1330]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.158516][ T1330]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.158725][ T1330]  ksys_unshare (kernel/fork.c:3243)
[   39.158986][ T1330]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.159225][ T1330]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.159439][ T1330]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.159636][ T1330]  ? __ia32_sys_open (fs/open.c:1374)
[   39.159836][ T1330]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.160015][ T1330]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.160193][ T1330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.160370][ T1330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.160557][ T1330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.160739][ T1330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.160964][ T1330] RIP: 0033:0x7fac8ba0ebcb
[   39.161163][ T1330] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.161681][ T1330] RSP: 002b:00007ffe3e515278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.161938][ T1330] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac8ba0ebcb
[   39.162184][ T1330] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.162427][ T1330] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.162677][ T1330] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe3e5174a0
[   39.162983][ T1330] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe3e51788c
| [   39.169011][ T1330] ------------[ cut here ]------------
| [   39.169204][ T1330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1330
| [   39.169520][ T1330] Modules linked in: vxlan
| [   39.170119][ T1330] Tainted: [W]=WARN
[   39.170324][ T1330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.170602][ T1330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.170898][ T1330] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.171483][ T1330] RSP: 0018:ffa0000002cd7918 EFLAGS: 00010286
[   39.171776][ T1330] RAX: 00000000ffffffa6 RBX: ff1100000bd07540 RCX: 1ff400000059aee9
[   39.172090][ T1330] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd075fc
[   39.172395][ T1330] RBP: ff1100000f66c000 R08: 1fe22000017a0ec1 R09: ff1100000e64d180
[   39.172704][ T1330] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.173022][ T1330] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f66c000
[   39.173329][ T1330] FS:  00007fac8b74c840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   39.173681][ T1330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.173963][ T1330] CR2: 00007fac8b94dc20 CR3: 000000001191c003 CR4: 0000000000771ef0
[   39.174253][ T1330] PKRU: 55555554
[   39.174397][ T1330] Call Trace:
[   39.174552][ T1330]  <TASK>
[   39.174673][ T1330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.174870][ T1330]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.175058][ T1330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.175209][ T1330]  register_netdevice (net/core/dev.c:11488)
[   39.175392][ T1330]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.175612][ T1330]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.175797][ T1330]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   39.175991][ T1330]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   39.176172][ T1330]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   39.176356][ T1330]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   39.176547][ T1330]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   39.176734][ T1330]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   39.176932][ T1330]  ops_init (net/core/net_namespace.c:137)
[   39.177085][ T1330]  setup_net (net/core/net_namespace.c:446)
[   39.177236][ T1330]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.177416][ T1330]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.177606][ T1330]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.177795][ T1330]  copy_net_ns (net/core/net_namespace.c:579)
[   39.177991][ T1330]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.178177][ T1330]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.178361][ T1330]  ksys_unshare (kernel/fork.c:3243)
[   39.178550][ T1330]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.178735][ T1330]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.178931][ T1330]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.179112][ T1330]  ? __ia32_sys_open (fs/open.c:1374)
[   39.179297][ T1330]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.179478][ T1330]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.179667][ T1330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.179860][ T1330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.180044][ T1330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.180229][ T1330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.180444][ T1330] RIP: 0033:0x7fac8ba0ebcb
[   39.180640][ T1330] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.181170][ T1330] RSP: 002b:00007ffe3e515278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.181419][ T1330] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac8ba0ebcb
[   39.181676][ T1330] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.181937][ T1330] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.182185][ T1330] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe3e5174a0
[   39.182428][ T1330] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe3e51788c
| [   39.186872][ T1330] ------------[ cut here ]------------
| [   39.187066][ T1330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1330
| [   39.187379][ T1330] Modules linked in: vxlan
| [   39.187898][ T1330] Tainted: [W]=WARN
[   39.188045][ T1330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.188254][ T1330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.188473][ T1330] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.189569][ T1330] RSP: 0018:ffa0000002cd78f8 EFLAGS: 00010286
[   39.189856][ T1330] RAX: 00000000ffffffa6 RBX: ff1100000c784740 RCX: 1ff400000059aee5
[   39.190153][ T1330] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7847fc
[   39.190452][ T1330] RBP: ff1100000f474000 R08: 1fe22000018f0901 R09: ff1100000e64d180
[   39.190757][ T1330] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.191074][ T1330] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f474000
[   39.191439][ T1330] FS:  00007fac8b74c840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   39.191788][ T1330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.192071][ T1330] CR2: 00007fac8b94dc20 CR3: 000000001191c003 CR4: 0000000000771ef0
[   39.192372][ T1330] PKRU: 55555554
[   39.192584][ T1330] Call Trace:
[   39.192787][ T1330]  <TASK>
[   39.192972][ T1330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.193212][ T1330]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.193451][ T1330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.193662][ T1330]  register_netdevice (net/core/dev.c:11488)
[   39.193915][ T1330]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.194181][ T1330]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.194416][ T1330]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   39.194657][ T1330]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   39.194905][ T1330]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   39.195139][ T1330]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   39.195373][ T1330]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   39.195613][ T1330]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   39.195861][ T1330]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.196052][ T1330]  vti_init_net (net/ipv4/ip_vti.c:517)
[   39.196231][ T1330]  ops_init (net/core/net_namespace.c:137)
[   39.196379][ T1330]  setup_net (net/core/net_namespace.c:446)
[   39.196534][ T1330]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.196716][ T1330]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.196905][ T1330]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.197086][ T1330]  copy_net_ns (net/core/net_namespace.c:579)
[   39.197266][ T1330]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.197449][ T1330]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.197696][ T1330]  ksys_unshare (kernel/fork.c:3243)
[   39.197936][ T1330]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.198117][ T1330]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.198296][ T1330]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.198474][ T1330]  ? __ia32_sys_open (fs/open.c:1374)
[   39.198664][ T1330]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.198854][ T1330]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.199032][ T1330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.199211][ T1330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.199391][ T1330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.199574][ T1330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.199785][ T1330] RIP: 0033:0x7fac8ba0ebcb
[   39.199983][ T1330] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.200502][ T1330] RSP: 002b:00007ffe3e515278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.200758][ T1330] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac8ba0ebcb
[   39.201017][ T1330] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.201262][ T1330] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.201501][ T1330] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe3e5174a0
[   39.201755][ T1330] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe3e51788c
| [   39.212545][ T1330] ------------[ cut here ]------------
| [   39.212744][ T1330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1330
| [   39.213079][ T1330] Modules linked in: vxlan
| [   39.213588][ T1330] Tainted: [W]=WARN
[   39.213733][ T1330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.213956][ T1330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.214177][ T1330] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.214692][ T1330] RSP: 0018:ffa0000002cd7a78 EFLAGS: 00010286
[   39.214918][ T1330] RAX: 00000000ffffffa6 RBX: ff1100000c785380 RCX: 1ff400000059af15
[   39.215162][ T1330] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c78543c
[   39.215404][ T1330] RBP: ff11000012491000 R08: 1fe22000018f0a89 R09: ff1100000e64d180
[   39.215656][ T1330] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.215910][ T1330] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012491000
[   39.216155][ T1330] FS:  00007fac8b74c840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   39.216430][ T1330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.216648][ T1330] CR2: 00007fac8b94dc20 CR3: 000000001191c003 CR4: 0000000000771ef0
[   39.216903][ T1330] PKRU: 55555554
[   39.217046][ T1330] Call Trace:
[   39.217189][ T1330]  <TASK>
[   39.217303][ T1330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.217482][ T1330]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.217670][ T1330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.217818][ T1330]  register_netdevice (net/core/dev.c:11488)
[   39.218013][ T1330]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.218221][ T1330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.218402][ T1330]  register_netdev (net/core/dev.c:11552)
[   39.218587][ T1330]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   39.218767][ T1330]  ops_init (net/core/net_namespace.c:137)
[   39.218927][ T1330]  setup_net (net/core/net_namespace.c:446)
[   39.219078][ T1330]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.219256][ T1330]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.219432][ T1330]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.219618][ T1330]  copy_net_ns (net/core/net_namespace.c:579)
[   39.219802][ T1330]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.219996][ T1330]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.220174][ T1330]  ksys_unshare (kernel/fork.c:3243)
[   39.220352][ T1330]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.220533][ T1330]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.220714][ T1330]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.220972][ T1330]  ? __ia32_sys_open (fs/open.c:1374)
[   39.221167][ T1330]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.221349][ T1330]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.221536][ T1330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.221722][ T1330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.221917][ T1330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.222108][ T1330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.222320][ T1330] RIP: 0033:0x7fac8ba0ebcb
[   39.222505][ T1330] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.223036][ T1330] RSP: 002b:00007ffe3e515278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.223284][ T1330] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac8ba0ebcb
[   39.223535][ T1330] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.223783][ T1330] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.224037][ T1330] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe3e5174a0
[   39.224283][ T1330] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe3e51788c
| [   39.229617][ T1330] ------------[ cut here ]------------
| [   39.229796][ T1330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1330
| [   39.230112][ T1330] Modules linked in: vxlan
| [   39.230628][ T1330] Tainted: [W]=WARN
[   39.230774][ T1330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.230996][ T1330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.231212][ T1330] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.231729][ T1330] RSP: 0018:ffa0000002cd7a68 EFLAGS: 00010286
[   39.232021][ T1330] RAX: 00000000ffffffa6 RBX: ff1100000bd06580 RCX: 1ff400000059af13
[   39.232316][ T1330] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd0663c
[   39.232623][ T1330] RBP: ff1100000f08c000 R08: 1fe22000017a0cc9 R09: ff1100000e64d180
[   39.232931][ T1330] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.233225][ T1330] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f08c000
[   39.233521][ T1330] FS:  00007fac8b74c840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   39.233872][ T1330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.234143][ T1330] CR2: 00007fac8b94dc20 CR3: 000000001191c003 CR4: 0000000000771ef0
[   39.234438][ T1330] PKRU: 55555554
[   39.234643][ T1330] Call Trace:
[   39.234856][ T1330]  <TASK>
[   39.235025][ T1330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.235223][ T1330]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.235399][ T1330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.235558][ T1330]  register_netdevice (net/core/dev.c:11488)
[   39.235739][ T1330]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.235966][ T1330]  register_netdev (net/core/dev.c:11552)
[   39.236146][ T1330]  sit_init_net (net/ipv6/sit.c:1860)
[   39.236327][ T1330]  ops_init (net/core/net_namespace.c:137)
[   39.236475][ T1330]  setup_net (net/core/net_namespace.c:446)
[   39.236634][ T1330]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.236815][ T1330]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.237007][ T1330]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.237188][ T1330]  copy_net_ns (net/core/net_namespace.c:579)
[   39.237367][ T1330]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.237553][ T1330]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.237732][ T1330]  ksys_unshare (kernel/fork.c:3243)
[   39.237923][ T1330]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.238108][ T1330]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.238285][ T1330]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.238466][ T1330]  ? __ia32_sys_open (fs/open.c:1374)
[   39.238655][ T1330]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.238845][ T1330]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.239023][ T1330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.239200][ T1330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.239379][ T1330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.239569][ T1330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.239780][ T1330] RIP: 0033:0x7fac8ba0ebcb
[   39.239973][ T1330] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.240482][ T1330] RSP: 002b:00007ffe3e515278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.240739][ T1330] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac8ba0ebcb
[   39.240993][ T1330] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.241233][ T1330] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.241473][ T1330] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe3e5174a0
[   39.241726][ T1330] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe3e51788c
| [   39.246953][ T1330] ------------[ cut here ]------------
| [   39.247135][ T1330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1330
| [   39.247441][ T1330] Modules linked in: vxlan
| [   39.247962][ T1330] Tainted: [W]=WARN
[   39.248110][ T1330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.248327][ T1330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.248553][ T1330] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.249074][ T1330] RSP: 0018:ffa0000002cd7a78 EFLAGS: 00010286
[   39.249287][ T1330] RAX: 00000000ffffffa6 RBX: ff1100000a232900 RCX: 1ff400000059af15
[   39.249539][ T1330] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2329bc
[   39.249784][ T1330] RBP: ff1100000f0ec000 R08: 1fe2200001446539 R09: ff1100000e64d180
[   39.250050][ T1330] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.250292][ T1330] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0ec000
[   39.250547][ T1330] FS:  00007fac8b74c840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   39.250840][ T1330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.251053][ T1330] CR2: 00007fac8b94dc20 CR3: 000000001191c003 CR4: 0000000000771ef0
[   39.251310][ T1330] PKRU: 55555554
[   39.251456][ T1330] Call Trace:
[   39.251607][ T1330]  <TASK>
[   39.251725][ T1330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.251918][ T1330]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.252097][ T1330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.252245][ T1330]  register_netdevice (net/core/dev.c:11488)
[   39.252427][ T1330]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.252646][ T1330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.252910][ T1330]  register_netdev (net/core/dev.c:11552)
[   39.253146][ T1330]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   39.253392][ T1330]  ops_init (net/core/net_namespace.c:137)
[   39.253603][ T1330]  setup_net (net/core/net_namespace.c:446)
[   39.253807][ T1330]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   39.254054][ T1330]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   39.254288][ T1330]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   39.254532][ T1330]  copy_net_ns (net/core/net_namespace.c:579)
[   39.254771][ T1330]  create_new_namespaces (kernel/nsproxy.c:132)
[   39.255021][ T1330]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   39.255255][ T1330]  ksys_unshare (kernel/fork.c:3243)
[   39.255488][ T1330]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.255728][ T1330]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   39.255973][ T1330]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   39.256209][ T1330]  ? __ia32_sys_open (fs/open.c:1374)
[   39.256448][ T1330]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   39.256689][ T1330]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   39.256936][ T1330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.257169][ T1330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.257405][ T1330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.257647][ T1330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.257935][ T1330] RIP: 0033:0x7fac8ba0ebcb
[   39.258178][ T1330] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   39.258756][ T1330] RSP: 002b:00007ffe3e515278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   39.259069][ T1330] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac8ba0ebcb
[   39.259368][ T1330] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   39.259676][ T1330] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   39.259988][ T1330] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe3e5174a0
[   39.260284][ T1330] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe3e51788c
| [   39.291404][ T1331] ------------[ cut here ]------------
| [   39.291565][ T1331] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1331
| [   39.292112][ T1331] Modules linked in: vxlan
| [   39.292515][ T1331] Tainted: [W]=WARN
[   39.292620][ T1331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.292782][ T1331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.292958][ T1331] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.293424][ T1331] RSP: 0018:ffa0000002ce7020 EFLAGS: 00010286
[   39.293596][ T1331] RAX: 00000000ffffffa6 RBX: ff1100000fefa3c0 RCX: 1ff400000059cdca
[   39.293792][ T1331] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fefa47c
[   39.293992][ T1331] RBP: ff110000091ac000 R08: 1fe2200001fdf491 R09: ff1100000aa62e58
[   39.294184][ T1331] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   39.294375][ T1331] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   39.294602][ T1331] FS:  00007f1121ca4840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   39.294840][ T1331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.295003][ T1331] CR2: 000000003c2a8988 CR3: 0000000012457005 CR4: 0000000000771ef0
[   39.295199][ T1331] PKRU: 55555554
[   39.295297][ T1331] Call Trace:
[   39.295394][ T1331]  <TASK>
[   39.295462][ T1331]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.295600][ T1331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.295702][ T1331]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   39.295836][ T1331]  __dev_notify_flags (net/core/dev.c:9787)
[   39.295969][ T1331]  ? netif_change_name (net/core/dev.c:1495)
[   39.296102][ T1331]  ? __dev_change_flags (net/core/dev.c:9752)
[   39.296234][ T1331]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   39.296366][ T1331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.296496][ T1331]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   39.296637][ T1331]  netif_change_flags (net/core/dev.c:9820)
[   39.296768][ T1331]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.296906][ T1331]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   39.297039][ T1331]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.297172][ T1331]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.297337][ T1331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.297469][ T1331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.297605][ T1331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.297737][ T1331]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.297874][ T1331]  ? __kernel_text_address (kernel/extable.c:79)
[   39.298006][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.298140][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.298271][ T1331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.298403][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.298539][ T1331]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.298671][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.298801][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.298938][ T1331]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.299070][ T1331]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.299204][ T1331]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.299336][ T1331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.299469][ T1331]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.299607][ T1331]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.299741][ T1331]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.299880][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.300009][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.300142][ T1331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.300273][ T1331]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.300405][ T1331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.300543][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.300673][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.300806][ T1331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.300944][ T1331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.301078][ T1331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.301209][ T1331]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.301341][ T1331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.301473][ T1331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.301608][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.301739][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.301875][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.302007][ T1331]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.302139][ T1331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.302270][ T1331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.302404][ T1331]  ? 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))
[   39.302538][ T1331]  ? 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))
[   39.302671][ T1331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.302805][ T1331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.302941][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.303075][ T1331]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.303207][ T1331]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.303339][ T1331]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.303473][ T1331]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.303610][ T1331]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.303742][ T1331]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.303910][ T1331]  ? move_addr_to_kernel (net/socket.c:258)
[   39.304043][ T1331]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.304175][ T1331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.304306][ T1331]  ___sys_sendmsg (net/socket.c:2752)
[   39.304437][ T1331]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.304608][ T1331]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.304751][ T1331]  __sys_sendmsg (net/socket.c:2784)
[   39.304887][ T1331]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.305018][ T1331]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.305184][ T1331]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.305316][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.305450][ T1331]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.305587][ T1331]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.305717][ T1331]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.305854][ T1331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.306016][ T1331] RIP: 0033:0x7f1121ede08e
[   39.306153][ T1331] 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
[   39.306627][ T1331] RSP: 002b:00007ffeca6e5e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.306832][ T1331] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1121ede08e
[   39.307028][ T1331] RDX: 0000000000000000 RSI: 00007ffeca6e5f20 RDI: 0000000000000005
[   39.307224][ T1331] RBP: 00007ffeca6e5e80 R08: 0000000000000000 R09: 0000000000000000
[   39.307422][ T1331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   39.307622][ T1331] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeca6e65f0
| [   39.411378][ T1334] ------------[ cut here ]------------
| [   39.411547][ T1334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1334
| [   39.411836][ T1334] Modules linked in: vxlan
| [   39.412267][ T1334] Tainted: [W]=WARN
[   39.412378][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.412562][ T1334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.412746][ T1334] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.413253][ T1334] RSP: 0018:ffa0000002d06fd0 EFLAGS: 00010286
[   39.413430][ T1334] RAX: 00000000ffffffa6 RBX: ff1100000b65e900 RCX: 1ff40000005a0dc0
[   39.413643][ T1334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b65e9bc
[   39.413858][ T1334] RBP: ff1100000f5b2000 R08: 1fe22000016cbd39 R09: ff1100000be95180
[   39.414069][ T1334] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   39.414279][ T1334] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5b2e44
[   39.414490][ T1334] FS:  00007f808ab90840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   39.414742][ T1334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.414926][ T1334] CR2: 00007f808ad89460 CR3: 000000000242f002 CR4: 0000000000771ef0
[   39.415137][ T1334] PKRU: 55555554
[   39.415242][ T1334] Call Trace:
[   39.415348][ T1334]  <TASK>
[   39.415421][ T1334]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.415572][ T1334]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   39.415718][ T1334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.415830][ T1334]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   39.415973][ T1334]  __dev_notify_flags (net/core/dev.c:9787)
[   39.416113][ T1334]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.416253][ T1334]  ? netif_change_name (net/core/dev.c:1495)
[   39.416394][ T1334]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   39.416543][ T1334]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   39.416685][ T1334] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   39.417262][ T1334]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   39.417409][ T1334] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   39.417558][ T1334]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   39.417704][ T1334]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   39.417852][ T1334]  ? nla_strscpy (lib/nlattr.c:795)
[   39.417996][ T1334]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   39.418137][ T1334]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   39.418279][ T1334]  ? __dev_get_by_name (net/core/dev.c:883)
[   39.418421][ T1334]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   39.418572][ T1334]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   39.418718][ T1334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.418865][ T1334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.419006][ T1334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.419146][ T1334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.419284][ T1334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.419422][ T1334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.419571][ T1334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.419713][ T1334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.419860][ T1334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.420002][ T1334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.420144][ T1334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.420286][ T1334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.420427][ T1334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.420572][ T1334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.420714][ T1334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.420861][ T1334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.421002][ T1334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.421150][ T1334]  ? 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))
[   39.421289][ T1334]  ? 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))
[   39.421431][ T1334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.421579][ T1334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.421718][ T1334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.421869][ T1334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.422011][ T1334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.422153][ T1334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.422295][ T1334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.422435][ T1334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.422578][ T1334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.422751][ T1334]  ? move_addr_to_kernel (net/socket.c:258)
[   39.422901][ T1334]  ___sys_sendmsg (net/socket.c:2752)
[   39.423042][ T1334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.423187][ T1334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.423336][ T1334]  ? 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))
[   39.423479][ T1334]  __sys_sendmsg (net/socket.c:2784)
[   39.423627][ T1334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.423773][ T1334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.423924][ T1334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.424066][ T1334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.424208][ T1334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.424349][ T1334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.424492][ T1334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.424674][ T1334] RIP: 0033:0x7f808adca08e
[   39.424826][ T1334] 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
[   39.425326][ T1334] RSP: 002b:00007ffd416e9e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.425540][ T1334] RAX: ffffffffffffffda RBX: 00007ffd416ea5f0 RCX: 00007f808adca08e
[   39.425752][ T1334] RDX: 0000000000000000 RSI: 00007ffd416e9ef0 RDI: 0000000000000005
[   39.425967][ T1334] RBP: 00007ffd416e9e50 R08: 0000000000000000 R09: 0000000000000000
[   39.426175][ T1334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   39.426385][ T1334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd416ea5c0
| [   39.452655][ T1335] ------------[ cut here ]------------
| [   39.452862][ T1335] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1335
| [   39.453185][ T1335] Modules linked in: vxlan
| [   39.453717][ T1335] Tainted: [W]=WARN
[   39.453885][ T1335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.454105][ T1335] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.454336][ T1335] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.454896][ T1335] RSP: 0018:ffa0000002d16fd0 EFLAGS: 00010286
[   39.455119][ T1335] RAX: 00000000ffffffa6 RBX: ff1100000a1b38c0 RCX: 1ff40000005a2dc0
[   39.455371][ T1335] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1b397c
[   39.455632][ T1335] RBP: ff1100000599a000 R08: 1fe2200001436731 R09: ff1100000f852e80
[   39.455898][ T1335] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.456155][ T1335] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000599ae44
[   39.456411][ T1335] FS:  00007f43fb910840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   39.456708][ T1335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.457132][ T1335] CR2: 00007f43fbb09460 CR3: 000000000ff63004 CR4: 0000000000771ef0
[   39.457385][ T1335] PKRU: 55555554
[   39.457544][ T1335] Call Trace:
[   39.457696][ T1335]  <TASK>
[   39.457817][ T1335]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.458018][ T1335]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   39.458208][ T1335]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.458361][ T1335]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   39.458555][ T1335]  __dev_notify_flags (net/core/dev.c:9787)
[   39.458747][ T1335]  ? notifier_call_chain (kernel/notifier.c:85)
[   39.458943][ T1335]  ? netif_change_name (net/core/dev.c:1495)
[   39.459132][ T1335]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   39.459320][ T1335]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   39.459509][ T1335] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3995) vxlan
[   39.459711][ T1335]  ? vxlan_changelink (./include/net/ipv6.h:741) vxlan
[   39.459912][ T1335] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4410) vxlan
[   39.460106][ T1335]  ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4722) vxlan
[   39.460298][ T1335]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   39.460486][ T1335]  ? nla_strscpy (lib/nlattr.c:795)
[   39.460682][ T1335]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   39.460883][ T1335]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   39.461070][ T1335]  ? __dev_get_by_name (net/core/dev.c:883)
[   39.461255][ T1335]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   39.461450][ T1335]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   39.461647][ T1335]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.461845][ T1335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.462031][ T1335]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.462217][ T1335]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.462402][ T1335]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.462593][ T1335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.462784][ T1335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.462982][ T1335]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.463170][ T1335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.463377][ T1335]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.463570][ T1335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.463757][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.463957][ T1335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.464141][ T1335]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.464330][ T1335]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.464517][ T1335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.464714][ T1335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.464915][ T1335]  ? 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))
[   39.465099][ T1335]  ? 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))
[   39.465287][ T1335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.465475][ T1335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.465670][ T1335]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.465878][ T1335]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.466066][ T1335]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.466253][ T1335]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.466440][ T1335]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.466634][ T1335]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.466833][ T1335]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.467049][ T1335]  ? move_addr_to_kernel (net/socket.c:258)
[   39.467242][ T1335]  ___sys_sendmsg (net/socket.c:2752)
[   39.467425][ T1335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.467622][ T1335]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.467832][ T1335]  ? 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))
[   39.468021][ T1335]  __sys_sendmsg (net/socket.c:2784)
[   39.468208][ T1335]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.468398][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.468595][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.468781][ T1335]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.468978][ T1335]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.469165][ T1335]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.469352][ T1335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.469574][ T1335] RIP: 0033:0x7f43fbb4a08e
[   39.469765][ T1335] 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
[   39.470317][ T1335] RSP: 002b:00007ffce8b113e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.470582][ T1335] RAX: ffffffffffffffda RBX: 00007ffce8b11b90 RCX: 00007f43fbb4a08e
[   39.470847][ T1335] RDX: 0000000000000000 RSI: 00007ffce8b11490 RDI: 0000000000000005
[   39.471101][ T1335] RBP: 00007ffce8b113f0 R08: 0000000000000000 R09: 0000000000000000
[   39.471356][ T1335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   39.471617][ T1335] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce8b11b60
| [   39.506404][ T1336] ------------[ cut here ]------------
| [   39.506568][ T1336] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1336
| [   39.506845][ T1336] Modules linked in: vxlan
| [   39.507258][ T1336] Tainted: [W]=WARN
[   39.507362][ T1336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.507540][ T1336] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.507723][ T1336] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.508208][ T1336] RSP: 0018:ffa0000002d271b0 EFLAGS: 00010286
[   39.508378][ T1336] RAX: 00000000ffffffa6 RBX: ff1100000d98d1c0 RCX: 1ff40000005a4dfc
[   39.508584][ T1336] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d98d27c
[   39.508784][ T1336] RBP: ff1100000f572000 R08: 1fe2200001b31a51 R09: ff1100000f64ae80
[   39.508994][ T1336] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   39.509194][ T1336] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   39.509394][ T1336] FS:  00007fcca6372840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   39.509634][ T1336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.509802][ T1336] CR2: 00007fcca656b460 CR3: 0000000011917005 CR4: 0000000000771ef0
[   39.510007][ T1336] PKRU: 55555554
[   39.510107][ T1336] Call Trace:
[   39.510207][ T1336]  <TASK>
[   39.510276][ T1336]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.510412][ T1336]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.510515][ T1336]  __dev_notify_flags (net/core/dev.c:9787)
[   39.510656][ T1336]  ? netif_change_name (net/core/dev.c:1495)
[   39.510793][ T1336]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.510969][ T1336]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.511104][ T1336]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   39.511238][ T1336]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   39.511373][ T1336]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   39.511508][ T1336]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   39.511648][ T1336]  ? __dev_get_by_name (net/core/dev.c:883)
[   39.511782][ T1336]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   39.511927][ T1336]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   39.512065][ T1336]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.512200][ T1336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.512334][ T1336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.512469][ T1336]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.512608][ T1336]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.512741][ T1336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.512887][ T1336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.513022][ T1336]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.513155][ T1336]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.513288][ T1336]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.513421][ T1336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.513560][ T1336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.513694][ T1336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.513839][ T1336]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.513975][ T1336]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.514109][ T1336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.514244][ T1336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.514381][ T1336]  ? 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))
[   39.514513][ T1336]  ? 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))
[   39.514655][ T1336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.514789][ T1336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.514930][ T1336]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.515064][ T1336]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.515200][ T1336]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.515334][ T1336]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.515469][ T1336]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.515609][ T1336]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.515742][ T1336]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.515915][ T1336]  ? move_addr_to_kernel (net/socket.c:258)
[   39.516052][ T1336]  ___sys_sendmsg (net/socket.c:2752)
[   39.516185][ T1336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.516318][ T1336]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.516462][ T1336]  ? 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))
[   39.516605][ T1336]  __sys_sendmsg (net/socket.c:2784)
[   39.516741][ T1336]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.516886][ T1336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.517019][ T1336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.517153][ T1336]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.517287][ T1336]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.517420][ T1336]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.517561][ T1336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.517727][ T1336] RIP: 0033:0x7fcca65ac08e
[   39.517872][ T1336] 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
[   39.518345][ T1336] RSP: 002b:00007ffe7b1fa4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.518552][ T1336] RAX: ffffffffffffffda RBX: 00007ffe7b1fac68 RCX: 00007fcca65ac08e
[   39.518749][ T1336] RDX: 0000000000000000 RSI: 00007ffe7b1fa570 RDI: 0000000000000005
[   39.518954][ T1336] RBP: 00007ffe7b1fa4d0 R08: 0000000000000000 R09: 0000000000000000
[   39.519155][ T1336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   39.519354][ T1336] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7b1fac40
| [   39.563677][ T1337] ------------[ cut here ]------------
| [   39.563872][ T1337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1337
| [   39.564186][ T1337] Modules linked in: vxlan
| [   39.564696][ T1337] Tainted: [W]=WARN
[   39.564860][ T1337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.565075][ T1337] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.565298][ T1337] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.565844][ T1337] RSP: 0018:ffa0000002d371b0 EFLAGS: 00010286
[   39.566061][ T1337] RAX: 00000000ffffffa6 RBX: ff11000009c4c040 RCX: 1ff40000005a6dfc
[   39.566308][ T1337] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4c0fc
[   39.566560][ T1337] RBP: ff1100000f642000 R08: 1fe2200001389821 R09: ff1100000f648b80
[   39.566806][ T1337] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   39.567065][ T1337] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92720900
[   39.567316][ T1337] FS:  00007f20bbf39840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   39.567603][ T1337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.567818][ T1337] CR2: 00007f20bc2a0ee3 CR3: 00000000124c7006 CR4: 0000000000771ef0
[   39.568074][ T1337] PKRU: 55555554
[   39.568219][ T1337] Call Trace:
[   39.568365][ T1337]  <TASK>
[   39.568480][ T1337]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.568675][ T1337]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.568839][ T1337]  __dev_notify_flags (net/core/dev.c:9787)
[   39.569024][ T1337]  ? netif_change_name (net/core/dev.c:1495)
[   39.569205][ T1337]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   39.569415][ T1337]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   39.569607][ T1337]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   39.569790][ T1337]  ? br_dev_newlink (net/bridge/br_netlink.c:1604)
[   39.569992][ T1337]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   39.570174][ T1337]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   39.570356][ T1337]  ? __dev_get_by_name (net/core/dev.c:883)
[   39.570545][ T1337]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   39.570733][ T1337]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   39.570936][ T1337]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.571120][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.571300][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.571482][ T1337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.571672][ T1337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.571864][ T1337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.572050][ T1337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.572234][ T1337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.572416][ T1337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.572608][ T1337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.572790][ T1337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.572983][ T1337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.573168][ T1337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.573350][ T1337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.573541][ T1337]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.573724][ T1337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.573919][ T1337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.574107][ T1337]  ? 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))
[   39.574286][ T1337]  ? 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))
[   39.574470][ T1337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.574661][ T1337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.574858][ T1337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.575041][ T1337]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.575225][ T1337]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.575408][ T1337]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.575599][ T1337]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.575781][ T1337]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.575974][ T1337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.576192][ T1337]  ? move_addr_to_kernel (net/socket.c:258)
[   39.576381][ T1337]  ___sys_sendmsg (net/socket.c:2752)
[   39.576568][ T1337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.576752][ T1337]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.576953][ T1337]  ? 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))
[   39.577136][ T1337]  __sys_sendmsg (net/socket.c:2784)
[   39.577320][ T1337]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.577505][ T1337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.577696][ T1337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.577892][ T1337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.578074][ T1337]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.578259][ T1337]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.578442][ T1337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.578666][ T1337] RIP: 0033:0x7f20bc17308e
[   39.578866][ T1337] 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
[   39.579384][ T1337] RSP: 002b:00007ffe98396c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.579638][ T1337] RAX: ffffffffffffffda RBX: 00007ffe98397408 RCX: 00007f20bc17308e
[   39.579895][ T1337] RDX: 0000000000000000 RSI: 00007ffe98396d10 RDI: 0000000000000005
[   39.580141][ T1337] RBP: 00007ffe98396c70 R08: 0000000000000000 R09: 0000000000000000
[   39.580388][ T1337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   39.580643][ T1337] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe983973e0
| [   39.611713][ T1338] ------------[ cut here ]------------
| [   39.611861][ T1338] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1338
| [   39.612126][ T1338] Modules linked in: vxlan
| [   39.612545][ T1338] Tainted: [W]=WARN
[   39.612645][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.612825][ T1338] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.613000][ T1338] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.613480][ T1338] RSP: 0018:ffa0000002d46ee0 EFLAGS: 00010286
[   39.613656][ T1338] RAX: 00000000ffffffa6 RBX: ff11000009c4d540 RCX: 1ff40000005a8da2
[   39.613861][ T1338] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c4d5fc
[   39.614060][ T1338] RBP: ff1100000f5b2000 R08: 1fe2200001389ac1 R09: ff1100000f955158
[   39.614257][ T1338] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   39.614455][ T1338] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   39.614665][ T1338] FS:  00007f5d0d08e840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   39.614971][ T1338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.615139][ T1338] CR2: 00000000004ebd60 CR3: 000000000a32f003 CR4: 0000000000771ef0
[   39.615342][ T1338] PKRU: 55555554
[   39.615442][ T1338] Call Trace:
[   39.615548][ T1338]  <TASK>
[   39.615617][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.615753][ T1338]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   39.615976][ T1338]  notifier_call_chain (kernel/notifier.c:85)
[   39.616113][ T1338]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   39.616246][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.616379][ T1338]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   39.616514][ T1338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.616656][ T1338]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   39.616789][ T1338]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   39.617009][ T1338]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   39.617143][ T1338]  ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:45)
[   39.617277][ T1338]  ? netdev_rx_handler_register (net/core/dev.c:5900)
[   39.617412][ T1338]  br_add_if (net/bridge/br_if.c:619)
[   39.617517][ T1338]  do_set_master (net/core/rtnetlink.c:3011)
[   39.617656][ T1338]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.617791][ T1338]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   39.618001][ T1338]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.618135][ T1338]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.618301][ T1338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.618435][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.618575][ T1338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.618706][ T1338]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.618861][ T1338]  ? __kernel_text_address (kernel/extable.c:79)
[   39.618994][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.619128][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.619260][ T1338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.619395][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.619534][ T1338]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.619667][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.619798][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.619935][ T1338]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.620068][ T1338]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.620201][ T1338]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.620334][ T1338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.620470][ T1338]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.620606][ T1338]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.620741][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.620884][ T1338]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.621020][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.621150][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.621283][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.621416][ T1338]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.621552][ T1338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.621688][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.621825][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.621958][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.622091][ T1338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.622224][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.622357][ T1338]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.622489][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.622627][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.622758][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.622899][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.623030][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.623163][ T1338]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.623298][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.623431][ T1338]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.623572][ T1338]  ? 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))
[   39.623702][ T1338]  ? 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))
[   39.623837][ T1338]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.623972][ T1338]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.624107][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.624242][ T1338]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.624378][ T1338]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.624513][ T1338]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.624654][ T1338]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.624788][ T1338]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.624925][ T1338]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.625094][ T1338]  ? move_addr_to_kernel (net/socket.c:258)
[   39.625229][ T1338]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.625363][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.625499][ T1338]  ___sys_sendmsg (net/socket.c:2752)
[   39.625636][ T1338]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.625802][ T1338]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.625952][ T1338]  __sys_sendmsg (net/socket.c:2784)
[   39.626090][ T1338]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.626223][ T1338]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.626390][ T1338]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.626523][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.626661][ T1338]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.626793][ T1338]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.626930][ T1338]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.627072][ T1338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.627238][ T1338] RIP: 0033:0x7f5d0d2c808e
[   39.627377][ T1338] 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
[   39.627859][ T1338] RSP: 002b:00007ffcf0eefa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.628063][ T1338] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d0d2c808e
[   39.628262][ T1338] RDX: 0000000000000000 RSI: 00007ffcf0eefb10 RDI: 0000000000000005
[   39.628460][ T1338] RBP: 00007ffcf0eefa70 R08: 0000000000000000 R09: 0000000000000000
[   39.628664][ T1338] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   39.628868][ T1338] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf0ef01e0
| [   39.630555][ T1338] ------------[ cut here ]------------
| [   39.630693][ T1338] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1338
| [   39.630971][ T1338] Modules linked in: vxlan
| [   39.631392][ T1338] Tainted: [W]=WARN
[   39.631599][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.631772][ T1338] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.632523][ T1338] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.633100][ T1338] RSP: 0018:ffa0000002d46ea0 EFLAGS: 00010286
[   39.633275][ T1338] RAX: 00000000ffffffa6 RBX: ff1100000947aac0 RCX: 1ff40000005a8d9a
[   39.633481][ T1338] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947ab7c
[   39.633691][ T1338] RBP: ff1100000f5b2000 R08: 1fe220000128f571 R09: ff1100000f955158
[   39.633956][ T1338] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000100
[   39.634162][ T1338] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3b9c08
[   39.634371][ T1338] FS:  00007f5d0d08e840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   39.634677][ T1338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.634899][ T1338] CR2: 00000000004ebd60 CR3: 000000000a32f003 CR4: 0000000000771ef0
[   39.635104][ T1338] PKRU: 55555554
[   39.635208][ T1338] Call Trace:
[   39.635311][ T1338]  <TASK>
[   39.635383][ T1338]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4519) vxlan
[   39.635628][ T1338]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   39.635769][ T1338]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   39.635880][ T1338]  __dev_notify_flags (net/core/dev.c:9787)
[   39.636020][ T1338]  ? netdev_notice (net/core/dev.c:13008)
[   39.636162][ T1338]  ? netif_change_name (net/core/dev.c:1495)
[   39.636393][ T1338]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   39.636573][ T1338]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   39.636713][ T1338]  __dev_set_promiscuity (net/core/dev.c:9630)
[   39.636859][ T1338]  netif_set_promiscuity (net/core/dev.c:9639)
[   39.636998][ T1338]  dev_set_promiscuity (net/core/dev_api.c:288)
[   39.637138][ T1338]  br_port_set_promisc (net/bridge/br_if.c:108)
[   39.637277][ T1338]  br_manage_promisc (net/bridge/br_if.c:174)
[   39.637512][ T1338]  ? netdev_is_rx_handler_busy (net/core/dev.c:5878 (discriminator 4))
[   39.637659][ T1338]  br_add_if (net/bridge/br_if.c:242 net/bridge/br_if.c:627)
[   39.637767][ T1338]  do_set_master (net/core/rtnetlink.c:3011)
[   39.637929][ T1338]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.638074][ T1338]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   39.638310][ T1338]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.638450][ T1338]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.638629][ T1338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.638868][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.639008][ T1338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.639146][ T1338]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.639284][ T1338]  ? __kernel_text_address (kernel/extable.c:79)
[   39.639518][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.639664][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.639804][ T1338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.639951][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.640184][ T1338]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.640324][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.640463][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.640605][ T1338]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.640844][ T1338]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.640983][ T1338]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.641123][ T1338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.641264][ T1338]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.641497][ T1338]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.641643][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.641786][ T1338]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.641935][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.642167][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.642307][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.642445][ T1338]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.642589][ T1338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.642829][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.642969][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.643108][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.643247][ T1338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.643480][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.643625][ T1338]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.643766][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.643907][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.644141][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.644284][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.644423][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.644569][ T1338]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.644800][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.644944][ T1338]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.645090][ T1338]  ? 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))
[   39.645229][ T1338]  ? 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))
[   39.645465][ T1338]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.645612][ T1338]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.645752][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.645898][ T1338]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.646133][ T1338]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.646274][ T1338]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.646414][ T1338]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.646558][ T1338]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.646790][ T1338]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.646968][ T1338]  ? move_addr_to_kernel (net/socket.c:258)
[   39.647109][ T1338]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.647248][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.647486][ T1338]  ___sys_sendmsg (net/socket.c:2752)
[   39.647630][ T1338]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.647803][ T1338]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.647959][ T1338]  __sys_sendmsg (net/socket.c:2784)
[   39.648193][ T1338]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.648330][ T1338]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.648503][ T1338]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.648659][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.648899][ T1338]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.649038][ T1338]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.649177][ T1338]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.649316][ T1338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.649589][ T1338] RIP: 0033:0x7f5d0d2c808e
[   39.649733][ T1338] 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
[   39.650335][ T1338] RSP: 002b:00007ffcf0eefa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.650548][ T1338] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d0d2c808e
[   39.650857][ T1338] RDX: 0000000000000000 RSI: 00007ffcf0eefb10 RDI: 0000000000000005
[   39.651067][ T1338] RBP: 00007ffcf0eefa70 R08: 0000000000000000 R09: 0000000000000000
[   39.651273][ T1338] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   39.651580][ T1338] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf0ef01e0
| [   39.654543][ T1338] ------------[ cut here ]------------
| [   39.654684][ T1338] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1338
| [   39.654949][ T1338] Modules linked in: vxlan
| [   39.655351][ T1338] Tainted: [W]=WARN
[   39.655450][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.655626][ T1338] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.655796][ T1338] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.656266][ T1338] RSP: 0018:ffa0000002d47000 EFLAGS: 00010286
[   39.656432][ T1338] RAX: 00000000ffffffa6 RBX: ff1100000bc10040 RCX: 1ff40000005a8dc6
[   39.656631][ T1338] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc100fc
[   39.656835][ T1338] RBP: ff1100000f572000 R08: 1fe2200001782021 R09: ff1100000f955158
[   39.657031][ T1338] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   39.657225][ T1338] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   39.657424][ T1338] FS:  00007f5d0d08e840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   39.657660][ T1338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.657831][ T1338] CR2: 00007fcca643f574 CR3: 000000000a32f006 CR4: 0000000000771ef0
[   39.658031][ T1338] PKRU: 55555554
[   39.658129][ T1338] Call Trace:
[   39.658228][ T1338]  <TASK>
[   39.658295][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.658429][ T1338]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   39.658565][ T1338]  notifier_call_chain (kernel/notifier.c:85)
[   39.658699][ T1338]  call_netdevice_notifiers (net/core/dev.c:2287 net/core/dev.c:2301)
[   39.658835][ T1338]  ? __dev_open (./include/net/netdev_lock.h:33)
[   39.658969][ T1338]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   39.659101][ T1338]  br_add_if (net/bridge/br_if.c:679)
[   39.659203][ T1338]  do_set_master (net/core/rtnetlink.c:3011)
[   39.659335][ T1338]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.659467][ T1338]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   39.659609][ T1338]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.659742][ T1338]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.659915][ T1338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.660046][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.660178][ T1338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.660308][ T1338]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.660439][ T1338]  ? __kernel_text_address (kernel/extable.c:79)
[   39.660575][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.660708][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.660846][ T1338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.661011][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.661143][ T1338]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.661272][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.661403][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.661540][ T1338]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.661672][ T1338]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.661802][ T1338]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.661942][ T1338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.662075][ T1338]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.662206][ T1338]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.662340][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.662476][ T1338]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.662615][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.662746][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.662885][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.663017][ T1338]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.663148][ T1338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.663282][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.663413][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.663552][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.663684][ T1338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.663818][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.663960][ T1338]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.664093][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.664225][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.664358][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.664493][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.664628][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.664760][ T1338]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.664897][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.665031][ T1338]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.665166][ T1338]  ? 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))
[   39.665297][ T1338]  ? 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))
[   39.665429][ T1338]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.665564][ T1338]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.665697][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.665835][ T1338]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.665970][ T1338]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.666104][ T1338]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.666236][ T1338]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.666368][ T1338]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.666501][ T1338]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.666668][ T1338]  ? move_addr_to_kernel (net/socket.c:258)
[   39.666801][ T1338]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.666940][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.667073][ T1338]  ___sys_sendmsg (net/socket.c:2752)
[   39.667205][ T1338]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.667371][ T1338]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.667515][ T1338]  __sys_sendmsg (net/socket.c:2784)
[   39.667651][ T1338]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.667783][ T1338]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.667958][ T1338]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.668091][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.668226][ T1338]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.668356][ T1338]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.668488][ T1338]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.668623][ T1338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.668784][ T1338] RIP: 0033:0x7f5d0d2c808e
[   39.668927][ T1338] 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
[   39.669397][ T1338] RSP: 002b:00007ffcf0eefa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.669599][ T1338] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d0d2c808e
[   39.669796][ T1338] RDX: 0000000000000000 RSI: 00007ffcf0eefb10 RDI: 0000000000000005
[   39.669997][ T1338] RBP: 00007ffcf0eefa70 R08: 0000000000000000 R09: 0000000000000000
[   39.670193][ T1338] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   39.670389][ T1338] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf0ef01e0
| [   39.671993][ T1338] ------------[ cut here ]------------
| [   39.672137][ T1338] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1338
| [   39.672394][ T1338] Modules linked in: vxlan
| [   39.672805][ T1338] Tainted: [W]=WARN
[   39.672915][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.673079][ T1338] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   39.673250][ T1338] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   39.673722][ T1338] RSP: 0018:ffa0000002d46f78 EFLAGS: 00010286
[   39.673896][ T1338] RAX: 00000000ffffffa6 RBX: ff1100000bc11540 RCX: 1ff40000005a8db5
[   39.674094][ T1338] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc115fc
[   39.674291][ T1338] RBP: ff1100000f572000 R08: 1fe22000017822c1 R09: ff1100000f955158
[   39.674488][ T1338] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   39.674690][ T1338] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
[   39.674895][ T1338] FS:  00007f5d0d08e840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   39.675127][ T1338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.675293][ T1338] CR2: 000055bc7d569d5c CR3: 000000000a32f005 CR4: 0000000000771ef0
[   39.675492][ T1338] PKRU: 55555554
[   39.675594][ T1338] Call Trace:
[   39.675692][ T1338]  <TASK>
[   39.675760][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.675897][ T1338]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   39.676029][ T1338]  notifier_call_chain (kernel/notifier.c:85)
[   39.676163][ T1338]  netdev_compute_master_upper_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11116 net/core/dev.c:12883)
[   39.676331][ T1338]  ? netdev_change_features (net/core/dev.c:11117)
[   39.676463][ T1338]  ? br_opt_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:767 net/bridge/br.c:391)
[   39.676602][ T1338]  br_add_if (net/bridge/br_if.c:683)
[   39.676704][ T1338]  do_set_master (net/core/rtnetlink.c:3011)
[   39.676838][ T1338]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.676971][ T1338]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   39.677105][ T1338]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   39.677243][ T1338]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   39.677408][ T1338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.677542][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.677673][ T1338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.677803][ T1338]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.677942][ T1338]  ? __kernel_text_address (kernel/extable.c:79)
[   39.678076][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.678209][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.678340][ T1338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.678473][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.678606][ T1338]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   39.678735][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.678869][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.679000][ T1338]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   39.679134][ T1338]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   39.679267][ T1338]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   39.679399][ T1338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   39.679536][ T1338]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   39.679667][ T1338]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.679801][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   39.679941][ T1338]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   39.680074][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.680208][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.680339][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.680471][ T1338]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   39.680604][ T1338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.680738][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.680876][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.681007][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.681141][ T1338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   39.681274][ T1338]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   39.681405][ T1338]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   39.681540][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.681670][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.681801][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.681942][ T1338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   39.682073][ T1338]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.682205][ T1338]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   39.682335][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.682465][ T1338]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.682605][ T1338]  ? 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))
[   39.682736][ T1338]  ? 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))
[   39.682872][ T1338]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.683005][ T1338]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.683139][ T1338]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.683272][ T1338]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   39.683406][ T1338]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   39.683543][ T1338]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   39.683676][ T1338]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   39.683807][ T1338]  ? copy_msghdr_from_user (net/socket.c:2635)
[   39.683944][ T1338]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   39.684105][ T1338]  ? move_addr_to_kernel (net/socket.c:258)
[   39.684241][ T1338]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.684373][ T1338]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   39.684504][ T1338]  ___sys_sendmsg (net/socket.c:2752)
[   39.684639][ T1338]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   39.684800][ T1338]  ? copy_msghdr_from_user (net/socket.c:2603)
[   39.684947][ T1338]  __sys_sendmsg (net/socket.c:2784)
[   39.685079][ T1338]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   39.685211][ T1338]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   39.685374][ T1338]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.685507][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   39.685642][ T1338]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.685772][ T1338]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   39.685910][ T1338]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   39.686041][ T1338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.686206][ T1338] RIP: 0033:0x7f5d0d2c808e
[   39.686341][ T1338] 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
[   39.686817][ T1338] RSP: 002b:00007ffcf0eefa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.687021][ T1338] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5d0d2c808e
[   39.687219][ T1338] RDX: 0000000000000000 RSI: 00007ffcf0eefb10 RDI: 0000000000000005
[   39.687414][ T1338] RBP: 00007ffcf0eefa70 R08: 0000000000000000 R09: 0000000000000000
[   39.687614][ T1338] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c6
[   39.687809][ T1338] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf0ef01e0
| [   40.166865][ T1364] ------------[ cut here ]------------
| [   40.167043][ T1364] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1364
| [   40.167296][ T1364] Modules linked in: vxlan
| [   40.167689][ T1364] Tainted: [W]=WARN
[   40.167783][ T1364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.168437][ T1364] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.168642][ T1364] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.169097][ T1364] RSP: 0018:ffa0000002d47190 EFLAGS: 00010286
[   40.169254][ T1364] RAX: 00000000ffffffa6 RBX: ff1100000ff1a740 RCX: 1ff40000005a8df8
[   40.169437][ T1364] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff1a7fc
[   40.169626][ T1364] RBP: ff1100000f642000 R08: 1fe2200001fe3501 R09: ff11000004d25158
[   40.169808][ T1364] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   40.169995][ T1364] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.170184][ T1364] FS:  00007fcb1d70d840(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   40.170402][ T1364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.170566][ T1364] CR2: 000000001e8eb988 CR3: 0000000004c94006 CR4: 0000000000771ef0
[   40.170756][ T1364] PKRU: 55555554
[   40.170856][ T1364] Call Trace:
[   40.170948][ T1364]  <TASK>
[   40.171014][ T1364]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.171173][ T1364]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.171325][ T1364]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.171449][ T1364]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.171575][ T1364]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.171734][ T1364]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   40.171863][ T1364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.171988][ T1364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.172111][ T1364]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.172233][ T1364]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.172355][ T1364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.172494][ T1364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.172620][ T1364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.172743][ T1364]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.172872][ T1364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.172996][ T1364]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.173120][ T1364]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   40.173247][ T1364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.173368][ T1364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.173490][ T1364]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.173625][ T1364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.173749][ T1364]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.173877][ T1364]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.174001][ T1364]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.174124][ T1364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.174245][ T1364]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.174369][ T1364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.174490][ T1364]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.174620][ T1364]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.174743][ T1364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.174871][ T1364]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.174996][ T1364]  ? 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))
[   40.175117][ T1364]  ? 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))
[   40.175241][ T1364]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.175365][ T1364]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.175486][ T1364]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.175618][ T1364]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.175744][ T1364]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.175882][ T1364]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.176009][ T1364]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.176134][ T1364]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.176258][ T1364]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.176410][ T1364]  ? move_addr_to_kernel (net/socket.c:258)
[   40.176542][ T1364]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.176666][ T1364]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.176790][ T1364]  ___sys_sendmsg (net/socket.c:2752)
[   40.176917][ T1364]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.177072][ T1364]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.177206][ T1364]  __sys_sendmsg (net/socket.c:2784)
[   40.177329][ T1364]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.177453][ T1364]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.177613][ T1364]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.177737][ T1364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.177865][ T1364]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.177991][ T1364]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.178117][ T1364]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.178242][ T1364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.178395][ T1364] RIP: 0033:0x7fcb1d94708e
[   40.178530][ T1364] 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
[   40.178972][ T1364] RSP: 002b:00007ffefa4489c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.179161][ T1364] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcb1d94708e
[   40.179350][ T1364] RDX: 0000000000000000 RSI: 00007ffefa448a70 RDI: 0000000000000005
[   40.179541][ T1364] RBP: 00007ffefa4489d0 R08: 0000000000000000 R09: 0000000000000000
[   40.179723][ T1364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c7
[   40.179912][ T1364] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefa449140
| [   40.220271][ T1365] ------------[ cut here ]------------
| [   40.220404][ T1365] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1365
| [   40.220675][ T1365] Modules linked in: vxlan
| [   40.221273][ T1365] Tainted: [W]=WARN
[   40.221377][ T1365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.221550][ T1365] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.221726][ T1365] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.222291][ T1365] RSP: 0018:ffa0000002e07030 EFLAGS: 00010286
[   40.222462][ T1365] RAX: 00000000ffffffa6 RBX: ff1100000ff1b700 RCX: 1ff40000005c0dcc
[   40.222668][ T1365] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff1b7bc
[   40.222958][ T1365] RBP: ff1100000f5b2000 R08: 1fe2200001fe36f9 R09: ff11000011f7d158
[   40.223161][ T1365] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000100
[   40.223364][ T1365] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000002e07370
[   40.223575][ T1365] FS:  00007fbc395ea840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   40.223811][ T1365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.224040][ T1365] CR2: 00000000023e0988 CR3: 0000000004c9f005 CR4: 0000000000771ef0
[   40.224242][ T1365] PKRU: 55555554
[   40.224343][ T1365] Call Trace:
[   40.224445][ T1365]  <TASK>
[   40.224516][ T1365]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.224698][ T1365]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.224806][ T1365]  __dev_notify_flags (net/core/dev.c:9787)
[   40.225000][ T1365]  ? netdev_info (net/core/dev.c:13009 (discriminator 3))
[   40.225139][ T1365]  ? netdev_notice (net/core/dev.c:13008)
[   40.225273][ T1365]  ? netif_change_name (net/core/dev.c:1495)
[   40.225409][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.225552][ T1365]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[   40.225687][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.225882][ T1365]  __dev_set_promiscuity (net/core/dev.c:9630)
[   40.226018][ T1365]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   40.226155][ T1365]  netif_set_promiscuity (net/core/dev.c:9639)
[   40.226294][ T1365]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   40.226430][ T1365]  dev_set_promiscuity (net/core/dev_api.c:288)
[   40.226571][ T1365]  del_nbp (net/bridge/br_if.c:254 net/bridge/br_if.c:340)
[   40.226673][ T1365]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.226813][ T1365]  br_dev_delete (net/bridge/br_if.c:386)
[   40.227006][ T1365]  rtnl_dellink (net/core/rtnetlink.c:3591 net/core/rtnetlink.c:3634)
[   40.227143][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.227280][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.227413][ T1365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.227555][ T1365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.227689][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.227918][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.228053][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.228187][ T1365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.228321][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.228457][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.228596][ T1365]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   40.228733][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.228896][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.229030][ T1365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.229164][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.229301][ T1365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.229436][ T1365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.229577][ T1365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.229711][ T1365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.229850][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.229986][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.230120][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.230254][ T1365]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.230392][ T1365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.230534][ T1365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.230674][ T1365]  ? 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))
[   40.230807][ T1365]  ? 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))
[   40.230949][ T1365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.231085][ T1365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.231223][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.231360][ T1365]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.231499][ T1365]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.231640][ T1365]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.231778][ T1365]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.231921][ T1365]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.232054][ T1365]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.232220][ T1365]  ? move_addr_to_kernel (net/socket.c:258)
[   40.232358][ T1365]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.232495][ T1365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.232637][ T1365]  ___sys_sendmsg (net/socket.c:2752)
[   40.232774][ T1365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.232949][ T1365]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.233098][ T1365]  __sys_sendmsg (net/socket.c:2784)
[   40.233231][ T1365]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.233365][ T1365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.233538][ T1365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.233674][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.233812][ T1365]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.233954][ T1365]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.234092][ T1365]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.234225][ T1365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.234393][ T1365] RIP: 0033:0x7fbc3982408e
[   40.234538][ T1365] 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
[   40.235023][ T1365] RSP: 002b:00007ffea03447e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.235226][ T1365] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbc3982408e
[   40.235427][ T1365] RDX: 0000000000000000 RSI: 00007ffea0344890 RDI: 0000000000000005
[   40.235632][ T1365] RBP: 00007ffea03447f0 R08: 0000000000000000 R09: 0000000000000000
[   40.235837][ T1365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c7
[   40.236039][ T1365] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea0344f60
| [   40.239014][ T1365] ------------[ cut here ]------------
| [   40.239151][ T1365] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1365
| [   40.239413][ T1365] Modules linked in: vxlan
| [   40.239830][ T1365] Tainted: [W]=WARN
[   40.239929][ T1365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.240094][ T1365] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.240263][ T1365] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.240734][ T1365] RSP: 0018:ffa0000002e07050 EFLAGS: 00010286
[   40.240904][ T1365] RAX: 00000000ffffffa6 RBX: ff1100000b53c040 RCX: 1ff40000005c0dd0
[   40.241105][ T1365] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b53c0fc
[   40.241344][ T1365] RBP: ff1100000f5b2000 R08: 1fe22000016a7821 R09: ff11000011f7d158
[   40.241602][ T1365] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   40.241869][ T1365] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   40.242141][ T1365] FS:  00007fbc395ea840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   40.242463][ T1365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.242701][ T1365] CR2: 000055bc7d569d5c CR3: 0000000004c9f006 CR4: 0000000000771ef0
[   40.242980][ T1365] PKRU: 55555554
[   40.243119][ T1365] Call Trace:
[   40.243257][ T1365]  <TASK>
[   40.243355][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.243545][ T1365]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   40.243733][ T1365]  notifier_call_chain (kernel/notifier.c:85)
[   40.243914][ T1365]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   40.244048][ T1365]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   40.244244][ T1365]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   40.244417][ T1365]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   40.244593][ T1365]  ? br_manage_promisc (net/bridge/br_if.c:152 (discriminator 1))
[   40.244725][ T1365]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.244864][ T1365]  del_nbp (net/bridge/br_if.c:363)
[   40.244965][ T1365]  br_dev_delete (net/bridge/br_if.c:386)
[   40.245099][ T1365]  rtnl_dellink (net/core/rtnetlink.c:3591 net/core/rtnetlink.c:3634)
[   40.245231][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.245363][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.245520][ T1365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.245664][ T1365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.245797][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.245991][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.246179][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.246364][ T1365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.246552][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.246730][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.246882][ T1365]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   40.247068][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.247256][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.247439][ T1365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.247632][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.247818][ T1365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.248010][ T1365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.248196][ T1365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.248382][ T1365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.248546][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.248683][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.248813][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.248960][ T1365]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.249109][ T1365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.249246][ T1365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.249383][ T1365]  ? 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))
[   40.249574][ T1365]  ? 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))
[   40.249762][ T1365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.249954][ T1365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.250138][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.250289][ T1365]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.250474][ T1365]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.250666][ T1365]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.250858][ T1365]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.251050][ T1365]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.251232][ T1365]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.251464][ T1365]  ? move_addr_to_kernel (net/socket.c:258)
[   40.251654][ T1365]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.251843][ T1365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.251994][ T1365]  ___sys_sendmsg (net/socket.c:2752)
[   40.252129][ T1365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.252294][ T1365]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.252462][ T1365]  __sys_sendmsg (net/socket.c:2784)
[   40.252614][ T1365]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.252799][ T1365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.253002][ T1365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.253188][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.253375][ T1365]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.253543][ T1365]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.253706][ T1365]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.253861][ T1365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.254092][ T1365] RIP: 0033:0x7fbc3982408e
[   40.254269][ T1365] 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
[   40.254874][ T1365] RSP: 002b:00007ffea03447e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.255152][ T1365] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbc3982408e
[   40.255406][ T1365] RDX: 0000000000000000 RSI: 00007ffea0344890 RDI: 0000000000000005
[   40.255664][ T1365] RBP: 00007ffea03447f0 R08: 0000000000000000 R09: 0000000000000000
[   40.255927][ T1365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c7
[   40.256200][ T1365] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea0344f60
| [   40.259367][ T1365] ------------[ cut here ]------------
| [   40.259501][ T1365] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1365
| [   40.259755][ T1365] Modules linked in: vxlan
| [   40.260154][ T1365] Tainted: [W]=WARN
[   40.260250][ T1365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.260406][ T1365] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.260576][ T1365] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.261032][ T1365] RSP: 0018:ffa0000002e07190 EFLAGS: 00010286
[   40.261191][ T1365] RAX: 00000000ffffffa6 RBX: ff1100000b53ce40 RCX: 1ff40000005c0df8
[   40.261379][ T1365] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b53cefc
[   40.261573][ T1365] RBP: ff1100000f572000 R08: 1fe22000016a79e1 R09: ff11000011f7d158
[   40.261761][ T1365] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   40.261962][ T1365] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.262153][ T1365] FS:  00007fbc395ea840(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   40.262374][ T1365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.262540][ T1365] CR2: 000055bc7d569d5c CR3: 0000000004c9f006 CR4: 0000000000771ef0
[   40.262734][ T1365] PKRU: 55555554
[   40.262833][ T1365] Call Trace:
[   40.262927][ T1365]  <TASK>
[   40.262992][ T1365]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.263153][ T1365]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.263310][ T1365]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.263435][ T1365]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.263564][ T1365]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.263722][ T1365]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   40.263851][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.263973][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.264098][ T1365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.264221][ T1365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.264344][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.264487][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.264616][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.264739][ T1365]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.264865][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.264986][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.265109][ T1365]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   40.265233][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.265360][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.265483][ T1365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.265613][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.265736][ T1365]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.265866][ T1365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.265987][ T1365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.266111][ T1365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.266234][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.266359][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.266485][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.266615][ T1365]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.266739][ T1365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.266866][ T1365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.266992][ T1365]  ? 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))
[   40.267115][ T1365]  ? 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))
[   40.267240][ T1365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.267365][ T1365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.267489][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.267620][ T1365]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.267745][ T1365]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.267874][ T1365]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.267999][ T1365]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.268124][ T1365]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.268247][ T1365]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.268402][ T1365]  ? move_addr_to_kernel (net/socket.c:258)
[   40.268531][ T1365]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.268656][ T1365]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.268783][ T1365]  ___sys_sendmsg (net/socket.c:2752)
[   40.268911][ T1365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.269064][ T1365]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.269199][ T1365]  __sys_sendmsg (net/socket.c:2784)
[   40.269324][ T1365]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.269446][ T1365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.269608][ T1365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.269731][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.269863][ T1365]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.269998][ T1365]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.270174][ T1365]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.270351][ T1365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.270575][ T1365] RIP: 0033:0x7fbc3982408e
[   40.270759][ T1365] 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
[   40.271318][ T1365] RSP: 002b:00007ffea03447e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.271510][ T1365] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbc3982408e
[   40.271705][ T1365] RDX: 0000000000000000 RSI: 00007ffea0344890 RDI: 0000000000000005
[   40.271898][ T1365] RBP: 00007ffea03447f0 R08: 0000000000000000 R09: 0000000000000000
[   40.272086][ T1365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c7
[   40.272277][ T1365] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea0344f60
| [   40.321955][ T1366] ------------[ cut here ]------------
| [   40.322116][ T1366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1366
| [   40.322364][ T1366] Modules linked in: vxlan
| [   40.322754][ T1366] Tainted: [W]=WARN
[   40.322853][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.323011][ T1366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.323174][ T1366] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.323615][ T1366] RSP: 0018:ffa0000002d47190 EFLAGS: 00010286
[   40.323769][ T1366] RAX: 00000000ffffffa6 RBX: ff1100000d8fe200 RCX: 1ff40000005a8df8
[   40.323954][ T1366] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8fe2bc
[   40.324137][ T1366] RBP: ff1100000599a000 R08: 1fe2200001b1fc59 R09: ff11000011f78b58
[   40.324322][ T1366] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   40.324504][ T1366] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.324694][ T1366] FS:  00007fa4a9491840(0000) GS:ff110000d78c7000(0000) knlGS:0000000000000000
[   40.324913][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.325069][ T1366] CR2: 00007fa4a97611a0 CR3: 0000000011c3e001 CR4: 0000000000771ef0
[   40.325252][ T1366] PKRU: 55555554
[   40.325346][ T1366] Call Trace:
[   40.325438][ T1366]  <TASK>
[   40.325501][ T1366]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.325660][ T1366]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.325815][ T1366]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.325944][ T1366]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   40.326070][ T1366]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.326192][ T1366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.326314][ T1366]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.326435][ T1366]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.326566][ T1366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.326707][ T1366]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.326833][ T1366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.326965][ T1366]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.327086][ T1366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.327207][ T1366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.327329][ T1366]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   40.327453][ T1366]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.327583][ T1366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.327714][ T1366]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.327843][ T1366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.327968][ T1366]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.328093][ T1366]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.328215][ T1366]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.328338][ T1366]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.328460][ T1366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.328591][ T1366]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.328714][ T1366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.328848][ T1366]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.328974][ T1366]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.329099][ T1366]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.329228][ T1366]  ? 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))
[   40.329354][ T1366]  ? 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))
[   40.329481][ T1366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.329614][ T1366]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.329739][ T1366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.329872][ T1366]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.330000][ T1366]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.330127][ T1366]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.330250][ T1366]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.330375][ T1366]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.330498][ T1366]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.330653][ T1366]  ? move_addr_to_kernel (net/socket.c:258)
[   40.330777][ T1366]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.330906][ T1366]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.331030][ T1366]  ___sys_sendmsg (net/socket.c:2752)
[   40.331153][ T1366]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.331304][ T1366]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.331438][ T1366]  __sys_sendmsg (net/socket.c:2784)
[   40.331565][ T1366]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.331688][ T1366]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.331848][ T1366]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.331971][ T1366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.332096][ T1366]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.332218][ T1366]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.332339][ T1366]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.332461][ T1366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.332617][ T1366] RIP: 0033:0x7fa4a96cb08e
[   40.332747][ T1366] 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
[   40.333190][ T1366] RSP: 002b:00007ffe6b2d22b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.333377][ T1366] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4a96cb08e
[   40.333565][ T1366] RDX: 0000000000000000 RSI: 00007ffe6b2d2360 RDI: 0000000000000005
[   40.333746][ T1366] RBP: 00007ffe6b2d22c0 R08: 0000000000000000 R09: 0000000000000000
[   40.333937][ T1366] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c7
[   40.334121][ T1366] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6b2d2a30
| [   40.375080][ T1367] ------------[ cut here ]------------
| [   40.375262][ T1367] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1367
| [   40.375564][ T1367] Modules linked in: vxlan
| [   40.376400][ T1367] Tainted: [W]=WARN
[   40.376543][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.376751][ T1367] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.376967][ T1367] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.377452][ T1367] RSP: 0018:ffa0000002e27190 EFLAGS: 00010286
[   40.377664][ T1367] RAX: 00000000ffffffa6 RBX: ff1100000954f000 RCX: 1ff40000005c4df8
[   40.377904][ T1367] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000954f0bc
[   40.378135][ T1367] RBP: ff1100000f5b2000 R08: 1fe22000012a9e19 R09: ff11000011f7ae58
[   40.378364][ T1367] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   40.378600][ T1367] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.378843][ T1367] FS:  00007f5469d67840(0000) GS:ff110000d79c7000(0000) knlGS:0000000000000000
[   40.379107][ T1367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.379308][ T1367] CR2: 000000001bd3a988 CR3: 0000000009be7004 CR4: 0000000000771ef0
[   40.379544][ T1367] PKRU: 55555554
[   40.379684][ T1367] Call Trace:
[   40.379836][ T1367]  <TASK>
[   40.379946][ T1367]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.380152][ T1367]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.380357][ T1367]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.380536][ T1367]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   40.380708][ T1367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.380890][ T1367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.381063][ T1367]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.381235][ T1367]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.381404][ T1367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.381601][ T1367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.381774][ T1367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.381961][ T1367]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   40.382132][ T1367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.382303][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.382474][ T1367]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   40.382659][ T1367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.382841][ T1367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.383015][ T1367]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.383187][ T1367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.383362][ T1367]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   40.383540][ T1367]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   40.383715][ T1367]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.383900][ T1367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.384073][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.384246][ T1367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.384421][ T1367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   40.384603][ T1367]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   40.384777][ T1367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.384965][ T1367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.385141][ T1367]  ? 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))
[   40.385312][ T1367]  ? 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))
[   40.385486][ T1367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.385672][ T1367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.385855][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   40.386030][ T1367]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   40.386203][ T1367]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   40.386376][ T1367]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   40.386556][ T1367]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   40.386730][ T1367]  ? copy_msghdr_from_user (net/socket.c:2635)
[   40.386914][ T1367]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   40.387120][ T1367]  ? move_addr_to_kernel (net/socket.c:258)
[   40.387293][ T1367]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.387464][ T1367]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   40.387645][ T1367]  ___sys_sendmsg (net/socket.c:2752)
[   40.387832][ T1367]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   40.388034][ T1367]  ? copy_msghdr_from_user (net/socket.c:2603)
[   40.388222][ T1367]  __sys_sendmsg (net/socket.c:2784)
[   40.388395][ T1367]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   40.388574][ T1367]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   40.388778][ T1367]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.388963][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.389137][ T1367]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   40.389309][ T1367]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   40.389482][ T1367]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   40.389666][ T1367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.389880][ T1367] RIP: 0033:0x7f5469fa108e
[   40.390058][ T1367] 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
[   40.390546][ T1367] RSP: 002b:00007ffffb055950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.390783][ T1367] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5469fa108e
[   40.391024][ T1367] RDX: 0000000000000000 RSI: 00007ffffb055a00 RDI: 0000000000000005
[   40.391255][ T1367] RBP: 00007ffffb055960 R08: 0000000000000000 R09: 0000000000000000
[   40.391486][ T1367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e8c7
[   40.391727][ T1367] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffb0560d0
| [   40.470303][   T68] ------------[ cut here ]------------
| [   40.470448][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   40.470692][   T68] Modules linked in: vxlan
| [   40.471143][   T68] Tainted: [W]=WARN
[   40.471244][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.471394][   T68] Workqueue: netns cleanup_net
[   40.471519][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.471683][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.472152][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   40.472305][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cd8aac0 RCX: 1ff4000000092eed
[   40.472483][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8ab7c
[   40.472751][   T68] RBP: ff1100000f0ec000 R08: 1fe22000019b1571 R09: ff1100000915aed0
[   40.472955][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   40.473130][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.473309][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   40.473514][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.473672][   T68] CR2: 00007f0671743574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   40.473861][   T68] PKRU: 55555554
[   40.473948][   T68] Call Trace:
[   40.474038][   T68]  <TASK>
[   40.474099][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.474259][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.474405][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.474524][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.474651][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.474768][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.474889][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.475009][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.475127][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   40.475241][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.475363][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   40.475481][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.475600][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.475722][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.475847][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.475967][   T68]  process_one_work (kernel/workqueue.c:3314)
[   40.476088][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.476205][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.476326][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.476445][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.476567][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   40.476687][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.476804][   T68]  kthread (kernel/kthread.c:436)
[   40.476945][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.477096][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.477212][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.477334][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.477480][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.477603][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.477721][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.480724][   T68] ------------[ cut here ]------------
| [   40.480944][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   40.481195][   T68] Modules linked in: vxlan
| [   40.481594][   T68] Tainted: [W]=WARN
[   40.481683][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.481839][   T68] Workqueue: netns cleanup_net
[   40.481962][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.482119][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.482535][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   40.482684][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cd8a580 RCX: 1ff4000000092eed
[   40.482867][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8a63c
[   40.483040][   T68] RBP: ff1100000f08c000 R08: 1fe22000019b14c9 R09: ff1100000915aed0
[   40.483210][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   40.483387][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.483565][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   40.483768][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.483918][   T68] CR2: 00007f0671743574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   40.484097][   T68] PKRU: 55555554
[   40.484182][   T68] Call Trace:
[   40.484269][   T68]  <TASK>
[   40.484332][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.484482][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.484637][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.484754][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.484879][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.484996][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.485113][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.485231][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.485351][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   40.485467][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.485593][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   40.485711][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.485833][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.485956][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.486070][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.486189][   T68]  process_one_work (kernel/workqueue.c:3314)
[   40.486309][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.486426][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.486550][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.486669][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.486787][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   40.486912][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.487030][   T68]  kthread (kernel/kthread.c:436)
[   40.487120][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.487269][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.487390][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.487509][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.487662][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.487784][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.487906][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.490323][   T68] ------------[ cut here ]------------
| [   40.490449][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   40.490686][   T68] Modules linked in: vxlan
| [   40.491560][   T68] Tainted: [W]=WARN
[   40.491650][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.491800][   T68] Workqueue: netns cleanup_net
[   40.492086][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.492240][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.492658][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   40.492804][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7fc40 RCX: 1ff4000000092eed
[   40.493025][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7fcfc
[   40.493198][   T68] RBP: ff11000012491000 R08: 1fe220000198ffa1 R09: ff1100000915aed0
[   40.493370][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   40.493547][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.493724][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   40.493974][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.494121][   T68] CR2: 00007f0671743574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   40.494295][   T68] PKRU: 55555554
[   40.494381][   T68] Call Trace:
[   40.494467][   T68]  <TASK>
[   40.494533][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.494685][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.494874][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.494992][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.495111][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.495227][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.495346][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.495465][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.495588][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   40.495705][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.495872][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   40.495991][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.496108][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.496225][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.496346][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.496466][   T68]  process_one_work (kernel/workqueue.c:3314)
[   40.496591][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.496707][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.496879][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.496999][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.497116][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   40.497233][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.497350][   T68]  kthread (kernel/kthread.c:436)
[   40.497441][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.497593][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.497711][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.497875][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.498023][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.498139][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.498257][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.500492][   T68] ------------[ cut here ]------------
| [   40.500690][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   40.500983][   T68] Modules linked in: vxlan
| [   40.501370][   T68] Tainted: [W]=WARN
[   40.501458][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.501607][   T68] Workqueue: netns cleanup_net
[   40.501730][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.501947][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.502451][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   40.502606][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7e040 RCX: 1ff4000000092eed
[   40.502781][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7e0fc
[   40.502968][   T68] RBP: ff1100000f474000 R08: 1fe220000198fc21 R09: ff1100000915aed0
[   40.503142][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   40.503342][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.503582][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   40.503790][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.503944][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a002 CR4: 0000000000771ef0
[   40.504123][   T68] PKRU: 55555554
[   40.504241][   T68] Call Trace:
[   40.504364][   T68]  <TASK>
[   40.504441][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.504600][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.504744][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.504864][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.504984][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.505109][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.505277][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.505446][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.505629][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   40.505801][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.505990][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   40.506121][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.506256][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.506425][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.506599][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.506774][   T68]  process_one_work (kernel/workqueue.c:3314)
[   40.506973][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.507131][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.507255][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.507427][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.507601][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   40.507775][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.507962][   T68]  kthread (kernel/kthread.c:436)
[   40.508095][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.508268][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.508386][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.508503][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.508655][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.508771][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.508895][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.510924][   T68] ------------[ cut here ]------------
| [   40.511046][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   40.511277][   T68] Modules linked in: vxlan
| [   40.511668][   T68] Tainted: [W]=WARN
[   40.511756][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.511910][   T68] Workqueue: netns cleanup_net
[   40.512032][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.512185][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.512609][   T68] RSP: 0018:ffa0000000497938 EFLAGS: 00010286
[   40.512756][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7e3c0 RCX: 1ff4000000092eed
[   40.512938][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7e47c
[   40.513114][   T68] RBP: ff1100000f66c000 R08: 1fe220000198fc91 R09: ff1100000915aed0
[   40.513288][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   40.513461][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.513640][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   40.513852][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.513999][   T68] CR2: 00007ffd0c8e3ed8 CR3: 000000000fe3a002 CR4: 0000000000771ef0
[   40.514175][   T68] PKRU: 55555554
[   40.514264][   T68] Call Trace:
[   40.514353][   T68]  <TASK>
[   40.514414][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.514570][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.514714][   T68]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.514834][   T68]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.514952][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.515072][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.515188][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.515306][   T68]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.515423][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   40.515553][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.515677][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   40.515795][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.515916][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.516033][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.516153][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.516273][   T68]  process_one_work (kernel/workqueue.c:3314)
[   40.516395][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.516510][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.516638][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.516756][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.516878][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   40.516996][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.517113][   T68]  kthread (kernel/kthread.c:436)
[   40.517201][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.517347][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.517463][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.517607][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.517752][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.517875][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.517993][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.530549][   T68] ------------[ cut here ]------------
| [   40.530690][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/68
| [   40.531336][   T68] Modules linked in: vxlan
| [   40.531757][   T68] Tainted: [W]=WARN
[   40.531855][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.532022][   T68] Workqueue: netns cleanup_net
[   40.532148][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.532308][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.532752][   T68] RSP: 0018:ffa0000000497748 EFLAGS: 00010286
[   40.532917][   T68] RAX: 00000000ffffffa6 RBX: ff1100000cc7f540 RCX: 1ff4000000092eaf
[   40.533100][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc7f5fc
[   40.533283][   T68] RBP: ff110000091ac000 R08: 1fe220000198fec1 R09: ff1100000915aed0
[   40.533466][   T68] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   40.533658][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004977e0
[   40.533847][   T68] FS:  0000000000000000(0000) GS:ff110000d7a47000(0000) knlGS:0000000000000000
[   40.534062][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.534215][   T68] CR2: 000055bc7d565ae8 CR3: 0000000060f4d001 CR4: 0000000000771ef0
[   40.534400][   T68] PKRU: 55555554
[   40.534493][   T68] Call Trace:
[   40.534592][   T68]  <TASK>
[   40.534656][   T68]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.534780][   T68]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.534880][   T68]  netif_close_many (net/core/dev.c:1804)
[   40.535004][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.535125][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.535248][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.535372][   T68]  ? __dev_close_many (net/core/dev.c:1781)
[   40.535494][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   40.535656][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   40.535808][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.535937][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.536059][   T68]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   40.536181][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.536339][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.536465][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   40.536603][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   40.536728][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.536857][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   40.536981][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   40.537105][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   40.537228][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.537353][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   40.537476][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.537602][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.537727][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.537854][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.537979][   T68]  process_one_work (kernel/workqueue.c:3314)
[   40.538104][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.538227][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.538355][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.538479][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.538605][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   40.538732][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.538865][   T68]  kthread (kernel/kthread.c:436)
[   40.538958][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.539111][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.539232][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.539355][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.539507][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.539632][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.539754][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.550556][   T68] ------------[ cut here ]------------
| [   40.550757][   T68] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/68
| [   40.551142][   T68] Modules linked in: vxlan
| [   40.551602][   T68] Tainted: [W]=WARN
[   40.551694][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.551854][   T68] Workqueue: netns cleanup_net
[   40.551978][   T68] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.552142][   T68] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.552580][   T68] RSP: 0018:ffa0000000497878 EFLAGS: 00010286
[   40.552729][   T68] RAX: 00000000ffffffa6 RBX: ff1100000b3b6ac0 RCX: 1ff4000000092ed5
[   40.552922][   T68] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b3b6b7c
[   40.553098][   T68] RBP: ff110000091ac000 R08: 1fe2200001676d71 R09: ff1100000915aed0
[   40.553278][   T68] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   40.553457][   T68] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.553643][   T68] FS:  0000000000000000(0000) GS:ff110000d7947000(0000) knlGS:0000000000000000
[   40.553909][   T68] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.554059][   T68] CR2: 00007f0671743574 CR3: 0000000060f4d004 CR4: 0000000000771ef0
[   40.554305][   T68] PKRU: 55555554
[   40.554395][   T68] Call Trace:
[   40.554485][   T68]  <TASK>
[   40.554555][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.554709][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.554908][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.555032][   T68]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   40.555155][   T68]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   40.555282][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.555401][   T68]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   40.555537][   T68]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   40.555664][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   40.555782][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.555953][   T68]  cleanup_net (net/core/net_namespace.c:702)
[   40.556073][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.556194][   T68]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.556315][   T68]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.556434][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.556561][   T68]  process_one_work (kernel/workqueue.c:3314)
[   40.556684][   T68]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.556802][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.556974][   T68]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.557096][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.557216][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   40.557335][   T68]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.557453][   T68]  kthread (kernel/kthread.c:436)
[   40.557550][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.557698][   T68]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.557817][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.557942][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.558093][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.558212][   T68]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netdev_compute_master_upper_features:br_add_if
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:__dev_set_promiscuity:netif_set_promiscuity
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_master_upper_dev_link
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:call_netdevice_notifiers:br_add_if
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:__vxlan_dev_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_unlink:netdev_upper_dev_unlink