======================================
| xx__-> [    9.538660][  T205] ------------[ cut here ]------------
| [    9.538984][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/205
| [    9.539282][  T205] Modules linked in:
| [    9.539809][  T205] Tainted: [W]=WARN
[    9.539958][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.540227][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.540471][  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
[    9.541046][  T205] RSP: 0018:ffa0000000956e30 EFLAGS: 00010286
[    9.541266][  T205] RAX: 00000000ffffffa6 RBX: ff11000004d1ee40 RCX: 1ff400000012ad8c
[    9.541532][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d1eefc
[    9.541803][  T205] RBP: ff1100000a94c000 R08: 1fe22000009a3de1 R09: ff11000009ab5180
[    9.542054][  T205] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.542303][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005872e04
[    9.542605][  T205] FS:  00007f4e94bd4840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.542908][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.543159][  T205] CR2: 000000000042ebe0 CR3: 000000000dc14004 CR4: 0000000000771ef0
[    9.543426][  T205] PKRU: 55555554
[    9.543576][  T205] Call Trace:
[    9.543730][  T205]  <TASK>
[    9.543852][  T205]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.544087][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.544274][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.544437][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.544627][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.544919][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[    9.545109][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.545294][  T205]  ? netif_change_name (net/core/dev.c:1495)
[    9.545493][  T205]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.545682][  T205]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.546213][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.546422][  T205]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.546606][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.546799][  T205]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.547269][  T205]  veth_newlink (drivers/net/veth.c:1871)
[    9.547471][  T205]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.547654][  T205]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.547847][  T205]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.548056][  T205]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.548258][  T205]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.548456][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.548643][  T205]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.548960][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.549147][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.549335][  T205]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.549611][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.549922][  T205]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.550405][  T205]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.550661][  T205]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.550949][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.551204][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.551425][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.551626][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.551817][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.552002][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.552190][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.552667][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.552865][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.553053][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.553255][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.553516][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.553702][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.553892][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.554103][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.554286][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.554656][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.554852][  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))
[    9.555048][  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))
[    9.555271][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.555473][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.555662][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.555876][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.556064][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.556248][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.556446][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.556670][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.556877][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.557097][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[    9.557291][  T205]  ___sys_sendmsg (net/socket.c:2752)
[    9.557488][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.557672][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.557874][  T205]  __sys_sendmsg (net/socket.c:2784)
[    9.558066][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.558247][  T205]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.558441][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.558628][  T205]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.558819][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.559172][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.559375][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.559564][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.559763][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.559955][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.560177][  T205] RIP: 0033:0x7f4e94e0e08e
[    9.560385][  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
[    9.561023][  T205] RSP: 002b:00007ffe029dbd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.561275][  T205] RAX: ffffffffffffffda RBX: 00007ffe029dc508 RCX: 00007f4e94e0e08e
[    9.561644][  T205] RDX: 0000000000000000 RSI: 00007ffe029dbe20 RDI: 0000000000000005
[    9.561899][  T205] RBP: 00007ffe029dbd80 R08: 0000000000000000 R09: 0000000000000000
[    9.562147][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62c
[    9.562442][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe029dc4e0
| [    9.573737][  T205] ------------[ cut here ]------------
| [    9.573941][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/205
| [    9.574232][  T205] Modules linked in:
| [    9.575331][  T205] Tainted: [W]=WARN
[    9.575554][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.575844][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.576133][  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
[    9.576760][  T205] RSP: 0018:ffa00000009571b0 EFLAGS: 00010286
[    9.577053][  T205] RAX: 00000000ffffffa6 RBX: ff11000004d34900 RCX: 1ff400000012adfc
[    9.577394][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d349bc
[    9.577736][  T205] RBP: ff1100000a95c000 R08: 1fe22000009a6939 R09: ff11000009ab5180
[    9.578079][  T205] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.578433][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffada03b20
[    9.578790][  T205] FS:  00007f4e94bd4840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.579179][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.579515][  T205] CR2: 000000000042ebe0 CR3: 000000000dc14004 CR4: 0000000000771ef0
[    9.579863][  T205] PKRU: 55555554
[    9.580070][  T205] Call Trace:
[    9.580276][  T205]  <TASK>
[    9.580466][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.580715][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.580966][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[    9.581203][  T205]  ? netif_change_name (net/core/dev.c:1495)
[    9.581453][  T205]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.581699][  T205]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.581952][  T205]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.582196][  T205]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.582450][  T205]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.582694][  T205]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.582946][  T205]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.583194][  T205]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.583453][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.583698][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.583948][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.584189][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.584439][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.584676][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.584931][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.585171][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.585422][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.585668][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.585915][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.586157][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.586411][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.586609][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.586817][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.587003][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.587188][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.587388][  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))
[    9.587571][  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))
[    9.587766][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.587953][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.588140][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.588338][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.588538][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.588735][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.588924][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.589110][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.589293][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.589524][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[    9.589735][  T205]  ___sys_sendmsg (net/socket.c:2752)
[    9.589919][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.590105][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.590302][  T205]  __sys_sendmsg (net/socket.c:2784)
[    9.590502][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.590687][  T205]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.590879][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.591081][  T205]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.591267][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.591468][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.591654][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.591847][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.592034][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.592219][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.592450][  T205] RIP: 0033:0x7f4e94e0e08e
[    9.592656][  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
[    9.593195][  T205] RSP: 002b:00007ffe029dbd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.593465][  T205] RAX: ffffffffffffffda RBX: 00007ffe029dc508 RCX: 00007f4e94e0e08e
[    9.593740][  T205] RDX: 0000000000000000 RSI: 00007ffe029dbe20 RDI: 0000000000000005
[    9.593991][  T205] RBP: 00007ffe029dbd80 R08: 0000000000000000 R09: 0000000000000000
[    9.594242][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62c
[    9.594504][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe029dc4e0
| [    9.656860][  T207] ------------[ cut here ]------------
| [    9.657093][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [    9.657441][  T207] Modules linked in:
| [    9.658004][  T207] Tainted: [W]=WARN
[    9.658153][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.658423][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.658649][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.659183][  T207] RSP: 0018:ffa0000000577a80 EFLAGS: 00010286
[    9.659414][  T207] RAX: 00000000ffffffa6 RBX: ff11000009609c40 RCX: 1ff40000000aef16
[    9.659661][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009609cfc
[    9.659919][  T207] RBP: ff11000001dec000 R08: 1fe22000012c13a1 R09: ff11000009c70b80
[    9.660163][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.660420][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dec000
[    9.660668][  T207] FS:  00007f3031ab0840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.660961][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.661176][  T207] CR2: 00007f3031cb7430 CR3: 000000000dc14002 CR4: 0000000000771ef0
[    9.661437][  T207] PKRU: 55555554
[    9.661585][  T207] Call Trace:
[    9.661740][  T207]  <TASK>
[    9.661858][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.662042][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.662229][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.662392][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.662577][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.662800][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.662983][  T207]  register_netdev (net/core/dev.c:11552)
[    9.663168][  T207]  loopback_net_init (drivers/net/loopback.c:218)
[    9.663407][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.663562][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.663715][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.663904][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.664086][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.664269][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.664468][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.664654][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.664847][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.665032][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.665214][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.665404][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.665590][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.665782][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.665963][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.666143][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.666328][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.666523][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.666705][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.666926][  T207] RIP: 0033:0x7f3031d72bcb
[    9.667113][  T207] 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
[    9.667641][  T207] RSP: 002b:00007ffe78275628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.667897][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3031d72bcb
[    9.668142][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.668398][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.668646][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe78277850
[    9.668900][  T207] R13: 0000000000000001 R14: 00007f3031ab06f8 R15: 00007ffe7827986e
| [    9.673858][  T207] ------------[ cut here ]------------
| [    9.674052][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [    9.674327][  T207] Modules linked in:
| [    9.674867][  T207] Tainted: [W]=WARN
[    9.675019][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.675232][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.675466][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.675990][  T207] RSP: 0018:ffa0000000577918 EFLAGS: 00010286
[    9.676208][  T207] RAX: 00000000ffffffa6 RBX: ff1100000c993a80 RCX: 1ff40000000aeee9
[    9.676468][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c993b3c
[    9.676714][  T207] RBP: ff11000005e61000 R08: 1fe2200001932769 R09: ff11000009c70b80
[    9.676965][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.677212][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005e61000
[    9.677472][  T207] FS:  00007f3031ab0840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.677761][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.677976][  T207] CR2: 00007f3031cb7430 CR3: 000000000dc14002 CR4: 0000000000771ef0
[    9.678224][  T207] PKRU: 55555554
[    9.678386][  T207] Call Trace:
[    9.678534][  T207]  <TASK>
[    9.678651][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.678836][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.679018][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.679168][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.679364][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.679581][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.679770][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.679953][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.680134][  T207]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.680317][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.680510][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.680695][  T207]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.680886][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.681039][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.681188][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.681381][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.681565][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.681756][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.681941][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.682126][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.682311][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.682508][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.682689][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.682878][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.683060][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.683243][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.683439][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.683623][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.683814][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.683995][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.684177][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.684404][  T207] RIP: 0033:0x7f3031d72bcb
[    9.684594][  T207] 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
[    9.685122][  T207] RSP: 002b:00007ffe78275628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.685387][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3031d72bcb
[    9.685633][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.685889][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.686136][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe78277850
[    9.686395][  T207] R13: 0000000000000001 R14: 00007f3031ab06f8 R15: 00007ffe7827986e
| [    9.690930][  T207] ------------[ cut here ]------------
| [    9.691115][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [    9.691826][  T207] Modules linked in:
| [    9.692305][  T207] Tainted: [W]=WARN
[    9.692466][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.692684][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.692914][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.693451][  T207] RSP: 0018:ffa00000005778f8 EFLAGS: 00010286
[    9.693669][  T207] RAX: 00000000ffffffa6 RBX: ff1100000c992200 RCX: 1ff40000000aeee5
[    9.693923][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9922bc
[    9.694175][  T207] RBP: ff1100000f6f1000 R08: 1fe2200001932459 R09: ff11000009c70b80
[    9.694435][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.694682][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f6f1000
[    9.694938][  T207] FS:  00007f3031ab0840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.695225][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.695453][  T207] CR2: 00007f3031cb7430 CR3: 000000000dc14002 CR4: 0000000000771ef0
[    9.695702][  T207] PKRU: 55555554
[    9.695859][  T207] Call Trace:
[    9.696006][  T207]  <TASK>
[    9.696124][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.696306][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.696509][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.696663][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.696854][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.697069][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.697256][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.697453][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.697634][  T207]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.697831][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.698014][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.698197][  T207]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.698394][  T207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.698581][  T207]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.698769][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.698923][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.699072][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.699253][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.699449][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.699633][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.699823][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.700008][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.700195][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.700390][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.700573][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.700762][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.700945][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.701132][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.701313][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.701505][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.701685][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.701870][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.702056][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.702269][  T207] RIP: 0033:0x7f3031d72bcb
[    9.702470][  T207] 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
[    9.702999][  T207] RSP: 002b:00007ffe78275628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.703249][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3031d72bcb
[    9.703506][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.703762][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.704007][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe78277850
[    9.704255][  T207] R13: 0000000000000001 R14: 00007f3031ab06f8 R15: 00007ffe7827986e
| [    9.708956][  T207] ------------[ cut here ]------------
| [    9.709162][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [    9.709972][  T207] Modules linked in:
| [    9.710565][  T207] Tainted: [W]=WARN
[    9.710775][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.711049][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.711332][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.711927][  T207] RSP: 0018:ffa0000000577a78 EFLAGS: 00010286
[    9.712210][  T207] RAX: 00000000ffffffa6 RBX: ff11000009609a80 RCX: 1ff40000000aef15
[    9.712525][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009609b3c
[    9.712837][  T207] RBP: ff1100000eca9000 R08: 1fe22000012c1369 R09: ff11000009c70b80
[    9.713142][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.713459][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eca9000
[    9.713769][  T207] FS:  00007f3031ab0840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.714142][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.714428][  T207] CR2: 00007f3031cb7430 CR3: 000000000dc14002 CR4: 0000000000771ef0
[    9.714742][  T207] PKRU: 55555554
[    9.714945][  T207] Call Trace:
[    9.715147][  T207]  <TASK>
[    9.715317][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.715566][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.715814][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.716024][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.716264][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.716550][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.716795][  T207]  register_netdev (net/core/dev.c:11552)
[    9.717037][  T207]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.717278][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.717494][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.717700][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.717947][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.718188][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.718439][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.718676][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.718927][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.719167][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.719420][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.719661][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.719909][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.720152][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.720403][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.720667][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.720943][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.721182][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.721435][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.721672][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.721979][  T207] RIP: 0033:0x7f3031d72bcb
[    9.722228][  T207] 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
[    9.722837][  T207] RSP: 002b:00007ffe78275628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.723145][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3031d72bcb
[    9.723462][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.723775][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.724085][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe78277850
[    9.724404][  T207] R13: 0000000000000001 R14: 00007f3031ab06f8 R15: 00007ffe7827986e
| [    9.731386][  T207] ------------[ cut here ]------------
| [    9.731570][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [    9.731857][  T207] Modules linked in:
| [    9.732340][  T207] Tainted: [W]=WARN
[    9.732505][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.732726][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.732949][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.733478][  T207] RSP: 0018:ffa0000000577a68 EFLAGS: 00010286
[    9.733696][  T207] RAX: 00000000ffffffa6 RBX: ff11000004d15380 RCX: 1ff40000000aef13
[    9.733951][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d1543c
[    9.734198][  T207] RBP: ff1100000e794000 R08: 1fe22000009a2a89 R09: ff11000009c70b80
[    9.734457][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.734708][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e794000
[    9.734967][  T207] FS:  00007f3031ab0840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.735248][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.735473][  T207] CR2: 00007f3031cb7430 CR3: 000000000dc14002 CR4: 0000000000771ef0
[    9.735732][  T207] PKRU: 55555554
[    9.735881][  T207] Call Trace:
[    9.736031][  T207]  <TASK>
[    9.736148][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.736331][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.736525][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.736676][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.736867][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.737086][  T207]  register_netdev (net/core/dev.c:11552)
[    9.737270][  T207]  sit_init_net (net/ipv6/sit.c:1860)
[    9.737467][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.737620][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.737776][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.737956][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.738140][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.738325][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.738520][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.738706][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.738899][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.739082][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.739263][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.739457][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.739641][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.739833][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.740014][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.740195][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.740394][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.740576][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.740766][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.740980][  T207] RIP: 0033:0x7f3031d72bcb
[    9.741166][  T207] 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
[    9.741701][  T207] RSP: 002b:00007ffe78275628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.741959][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3031d72bcb
[    9.742203][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.742464][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.742713][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe78277850
[    9.742973][  T207] R13: 0000000000000001 R14: 00007f3031ab06f8 R15: 00007ffe7827986e
| [    9.748296][  T207] ------------[ cut here ]------------
| [    9.748511][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [    9.748818][  T207] Modules linked in:
| [    9.749294][  T207] Tainted: [W]=WARN
[    9.749978][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.750255][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.750562][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.751148][  T207] RSP: 0018:ffa0000000577a78 EFLAGS: 00010286
[    9.751432][  T207] RAX: 00000000ffffffa6 RBX: ff1100000bd643c0 RCX: 1ff40000000aef15
[    9.751761][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd6447c
[    9.752063][  T207] RBP: ff1100000f574000 R08: 1fe22000017ac891 R09: ff11000009c70b80
[    9.752377][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.752678][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f574000
[    9.753006][  T207] FS:  00007f3031ab0840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.753348][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.753681][  T207] CR2: 00007f3031cb7430 CR3: 000000000dc14002 CR4: 0000000000771ef0
[    9.753992][  T207] PKRU: 55555554
[    9.754191][  T207] Call Trace:
[    9.754418][  T207]  <TASK>
[    9.754588][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.754834][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.755075][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.755281][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.755527][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.755802][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.756061][  T207]  register_netdev (net/core/dev.c:11552)
[    9.756275][  T207]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.756472][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.756626][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.756786][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.756971][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.757155][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.757368][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.757556][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.757748][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.757936][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.758121][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.758302][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.758511][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.758696][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.758891][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.759073][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.759257][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.759455][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.759636][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.759828][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.760045][  T207] RIP: 0033:0x7f3031d72bcb
[    9.760235][  T207] 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
[    9.760775][  T207] RSP: 002b:00007ffe78275628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.761038][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3031d72bcb
[    9.761283][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.761542][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.761797][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe78277850
[    9.762057][  T207] R13: 0000000000000001 R14: 00007f3031ab06f8 R15: 00007ffe7827986e
| [    9.805088][  T216] ------------[ cut here ]------------
| [    9.805300][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/216
| [    9.805599][  T216] Modules linked in:
| [    9.806171][  T216] Tainted: [W]=WARN
[    9.806322][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.806731][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.806960][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.807500][  T216] RSP: 0018:ffa00000008c7020 EFLAGS: 00010286
[    9.807718][  T216] RAX: 00000000ffffffa6 RBX: ff1100000979a900 RCX: 1ff4000000118dca
[    9.807974][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000979a9bc
[    9.808220][  T216] RBP: ff11000001dec000 R08: 1fe22000012f3539 R09: ff1100000bc15158
[    9.808473][  T216] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.808729][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.808982][  T216] FS:  00007fd105c2c840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.809262][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.809498][  T216] CR2: 0000000037896988 CR3: 000000000dc14006 CR4: 0000000000771ef0
[    9.809769][  T216] PKRU: 55555554
[    9.809921][  T216] Call Trace:
[    9.810069][  T216]  <TASK>
[    9.810188][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.810386][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.810537][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.810718][  T216]  __dev_notify_flags (net/core/dev.c:9787)
[    9.810912][  T216]  ? netif_change_name (net/core/dev.c:1495)
[    9.811098][  T216]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.811284][  T216]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.811479][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.811666][  T216]  ? 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))
[    9.811861][  T216]  netif_change_flags (net/core/dev.c:9820)
[    9.812048][  T216]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.812232][  T216]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.812432][  T216]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.812617][  T216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.812846][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.813031][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.813217][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.813416][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.813605][  T216]  ? __kernel_text_address (kernel/extable.c:79)
[    9.813800][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.813991][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.814179][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.814381][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.814570][  T216]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.814763][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.814951][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.815135][  T216]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.815319][  T216]  ? __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)
[    9.815517][  T216]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.815701][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.815896][  T216]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.816082][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.816268][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.816466][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.816647][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.816837][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.817023][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.817205][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.817406][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.817588][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.817777][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.817962][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.818149][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.818333][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.818586][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.818827][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.819069][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.819308][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.819557][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.819804][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.820045][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.820291][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.820597][  T216]  ? 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))
[    9.821024][  T216]  ? 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))
[    9.821296][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.821548][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.821813][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.822061][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.822261][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.822456][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.822642][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.822855][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.823041][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.823255][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[    9.823457][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.823640][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.823834][  T216]  ___sys_sendmsg (net/socket.c:2752)
[    9.824019][  T216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.824235][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.824442][  T216]  __sys_sendmsg (net/socket.c:2784)
[    9.824643][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.824834][  T216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.825053][  T216]  ? 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)
[    9.825236][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.825435][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.825617][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.825810][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.825997][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.826216][  T216] RIP: 0033:0x7fd105e6608e
[    9.826420][  T216] 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
[    9.826972][  T216] RSP: 002b:00007ffcae1e3e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.827242][  T216] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd105e6608e
[    9.827503][  T216] RDX: 0000000000000000 RSI: 00007ffcae1e3ee0 RDI: 0000000000000005
[    9.827776][  T216] RBP: 00007ffcae1e3e40 R08: 0000000000000000 R09: 0000000000000000
[    9.828024][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[    9.828289][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcae1e45b0
| [    9.963051][  T223] ------------[ cut here ]------------
| [    9.963281][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.963984][  T223] Modules linked in:
| [    9.964492][  T223] Tainted: [W]=WARN
[    9.964640][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.964863][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.965085][  T223] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.965647][  T223] RSP: 0018:ffa0000000827a80 EFLAGS: 00010286
[    9.965876][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c2f83c0 RCX: 1ff4000000104f16
[    9.966121][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2f847c
[    9.966382][  T223] RBP: ff1100000ede1000 R08: 1fe220000185f091 R09: ff1100000f62d180
[    9.966633][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.966890][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ede1000
[    9.967137][  T223] FS:  00007f33e9a72840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.967432][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.967647][  T223] CR2: 00007f33e9c79430 CR3: 0000000004ba0003 CR4: 0000000000771ef0
[    9.967908][  T223] PKRU: 55555554
[    9.968088][  T223] Call Trace:
[    9.968236][  T223]  <TASK>
[    9.968367][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.968550][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.968770][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.968926][  T223]  register_netdevice (net/core/dev.c:11488)
[    9.969109][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.969329][  T223]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.969525][  T223]  register_netdev (net/core/dev.c:11552)
[    9.969708][  T223]  loopback_net_init (drivers/net/loopback.c:218)
[    9.969899][  T223]  ops_init (net/core/net_namespace.c:137)
[    9.970053][  T223]  setup_net (net/core/net_namespace.c:446)
[    9.970205][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.970398][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.970585][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.970799][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[    9.970980][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.971176][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.971382][  T223]  ksys_unshare (kernel/fork.c:3243)
[    9.971563][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.971771][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.971950][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.972156][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[    9.972341][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.972533][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.972717][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.972912][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.973093][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.973273][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.973500][  T223] RIP: 0033:0x7f33e9d34bcb
[    9.973694][  T223] 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
[    9.974228][  T223] RSP: 002b:00007ffe31a28b28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.974491][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f33e9d34bcb
[    9.974781][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.975027][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.975271][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe31a2ad50
[    9.975524][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe31a2c86e
| [    9.980230][  T223] ------------[ cut here ]------------
| [    9.980427][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.980697][  T223] Modules linked in:
| [    9.981188][  T223] Tainted: [W]=WARN
[    9.981336][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.981558][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.981805][  T223] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.982347][  T223] RSP: 0018:ffa0000000827918 EFLAGS: 00010286
[    9.982572][  T223] RAX: 00000000ffffffa6 RBX: ff1100000de08e40 RCX: 1ff4000000104ee9
[    9.982820][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de08efc
[    9.983060][  T223] RBP: ff1100000e6d4000 R08: 1fe2200001bc11e1 R09: ff1100000f62d180
[    9.983301][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.983558][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6d4000
[    9.983843][  T223] FS:  00007f33e9a72840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[    9.984122][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.984331][  T223] CR2: 00007f33e9c79430 CR3: 0000000004ba0003 CR4: 0000000000771ef0
[    9.984594][  T223] PKRU: 55555554
[    9.984745][  T223] Call Trace:
[    9.984913][  T223]  <TASK>
[    9.985031][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.985212][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.985401][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.985549][  T223]  register_netdevice (net/core/dev.c:11488)
[    9.985737][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.985951][  T223]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.986130][  T223]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.986310][  T223]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.986519][  T223]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.986744][  T223]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.986929][  T223]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.987110][  T223]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.987293][  T223]  ops_init (net/core/net_namespace.c:137)
[    9.987459][  T223]  setup_net (net/core/net_namespace.c:446)
[    9.987606][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.987793][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.987993][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.988180][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[    9.988386][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.988569][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.988770][  T223]  ksys_unshare (kernel/fork.c:3243)
[    9.988950][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.989156][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.989334][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.989528][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[    9.989740][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.989926][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.990112][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.990296][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.990488][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.990670][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.990890][  T223] RIP: 0033:0x7f33e9d34bcb
[    9.991077][  T223] 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
[    9.991609][  T223] RSP: 002b:00007ffe31a28b28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.991862][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f33e9d34bcb
[    9.992128][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.992383][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.992625][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe31a2ad50
[    9.992876][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe31a2c86e
| [    9.997234][  T223] ------------[ cut here ]------------
| [    9.997534][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.997812][  T223] Modules linked in:
| [    9.998321][  T223] Tainted: [W]=WARN
[    9.998484][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.998694][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.998956][  T223] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.999504][  T223] RSP: 0018:ffa00000008278f8 EFLAGS: 00010286
[    9.999716][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c2f9e00 RCX: 1ff4000000104ee5
[    9.999973][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2f9ebc
[   10.000222][  T223] RBP: ff1100000e6c4000 R08: 1fe220000185f3d9 R09: ff1100000f62d180
[   10.000479][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.000731][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6c4000
[   10.000980][  T223] FS:  00007f33e9a72840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   10.001261][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.001508][  T223] CR2: 00007f33e9c79430 CR3: 0000000004ba0003 CR4: 0000000000771ef0
[   10.001773][  T223] PKRU: 55555554
[   10.001919][  T223] Call Trace:
[   10.002073][  T223]  <TASK>
[   10.002189][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.002383][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.002562][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.002713][  T223]  register_netdevice (net/core/dev.c:11488)
[   10.002926][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.003147][  T223]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.003330][  T223]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.003525][  T223]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.003705][  T223]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.003897][  T223]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.004077][  T223]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.004260][  T223]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.004453][  T223]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.004640][  T223]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.004832][  T223]  ops_init (net/core/net_namespace.c:137)
[   10.004982][  T223]  setup_net (net/core/net_namespace.c:446)
[   10.005131][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.005308][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.005521][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.005709][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[   10.005906][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.006090][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.006272][  T223]  ksys_unshare (kernel/fork.c:3243)
[   10.006467][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.006648][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.006835][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.007019][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[   10.007209][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.007406][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.007586][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.007777][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.007957][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.008139][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.008368][  T223] RIP: 0033:0x7f33e9d34bcb
[   10.008554][  T223] 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
[   10.009086][  T223] RSP: 002b:00007ffe31a28b28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.009337][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f33e9d34bcb
[   10.009594][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.009883][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.010135][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe31a2ad50
[   10.010397][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe31a2c86e
| [   10.017491][  T223] ------------[ cut here ]------------
| [   10.017688][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [   10.018180][  T223] Modules linked in:
| [   10.018855][  T223] Tainted: [W]=WARN
[   10.019056][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.019320][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.019610][  T223] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.020207][  T223] RSP: 0018:ffa0000000827a78 EFLAGS: 00010286
[   10.020487][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c2f9000 RCX: 1ff4000000104f15
[   10.020790][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2f90bc
[   10.021117][  T223] RBP: ff1100000e6ac000 R08: 1fe220000185f219 R09: ff1100000f62d180
[   10.021429][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.021742][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6ac000
[   10.022046][  T223] FS:  00007f33e9a72840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   10.022444][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.022727][  T223] CR2: 00007f33e9c79430 CR3: 0000000004ba0003 CR4: 0000000000771ef0
[   10.023031][  T223] PKRU: 55555554
[   10.023235][  T223] Call Trace:
[   10.023450][  T223]  <TASK>
[   10.023624][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.023871][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.024123][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.024324][  T223]  register_netdevice (net/core/dev.c:11488)
[   10.024571][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.024843][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.025085][  T223]  register_netdev (net/core/dev.c:11552)
[   10.025319][  T223]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.025565][  T223]  ops_init (net/core/net_namespace.c:137)
[   10.025791][  T223]  setup_net (net/core/net_namespace.c:446)
[   10.025996][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.026246][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.026538][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.026783][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[   10.027020][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.027255][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.027518][  T223]  ksys_unshare (kernel/fork.c:3243)
[   10.027752][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.027929][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.028108][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.028295][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[   10.028496][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.028682][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.029470][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.029662][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.029849][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.030030][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.030269][  T223] RIP: 0033:0x7f33e9d34bcb
[   10.030470][  T223] 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
[   10.030999][  T223] RSP: 002b:00007ffe31a28b28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.031243][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f33e9d34bcb
[   10.031517][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.031768][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.032032][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe31a2ad50
[   10.032279][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe31a2c86e
| [   10.043438][  T223] ------------[ cut here ]------------
| [   10.043635][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [   10.043940][  T223] Modules linked in:
| [   10.044454][  T223] Tainted: [W]=WARN
[   10.044602][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.044826][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.045053][  T223] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.045579][  T223] RSP: 0018:ffa0000000827a68 EFLAGS: 00010286
[   10.045799][  T223] RAX: 00000000ffffffa6 RBX: ff1100000de3c040 RCX: 1ff4000000104f13
[   10.046055][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3c0fc
[   10.046312][  T223] RBP: ff1100000edb1000 R08: 1fe2200001bc7821 R09: ff1100000f62d180
[   10.046564][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.046828][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000edb1000
[   10.047072][  T223] FS:  00007f33e9a72840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   10.047345][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.047713][  T223] CR2: 00007f33e9c79430 CR3: 0000000004ba0003 CR4: 0000000000771ef0
[   10.047977][  T223] PKRU: 55555554
[   10.048120][  T223] Call Trace:
[   10.048290][  T223]  <TASK>
[   10.048418][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.048597][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.048783][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.048931][  T223]  register_netdevice (net/core/dev.c:11488)
[   10.049110][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.049338][  T223]  register_netdev (net/core/dev.c:11552)
[   10.049530][  T223]  sit_init_net (net/ipv6/sit.c:1860)
[   10.049710][  T223]  ops_init (net/core/net_namespace.c:137)
[   10.049873][  T223]  setup_net (net/core/net_namespace.c:446)
[   10.050022][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.050199][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.050389][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.050583][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[   10.050771][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.050953][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.051132][  T223]  ksys_unshare (kernel/fork.c:3243)
[   10.051313][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.051503][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.051682][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.051884][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[   10.052064][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.052244][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.052434][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.052614][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.052801][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.052981][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.053190][  T223] RIP: 0033:0x7f33e9d34bcb
[   10.053405][  T223] 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
[   10.053922][  T223] RSP: 002b:00007ffe31a28b28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.054164][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f33e9d34bcb
[   10.054435][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.054677][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.054927][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe31a2ad50
[   10.055168][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe31a2c86e
| [   10.060490][  T223] ------------[ cut here ]------------
| [   10.060674][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [   10.060957][  T223] Modules linked in:
| [   10.061448][  T223] Tainted: [W]=WARN
[   10.061593][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.061812][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.062032][  T223] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.062571][  T223] RSP: 0018:ffa0000000827a78 EFLAGS: 00010286
[   10.062792][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c5f8580 RCX: 1ff4000000104f15
[   10.063035][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f863c
[   10.063290][  T223] RBP: ff1100000e6a1000 R08: 1fe22000018bf0c9 R09: ff1100000f62d180
[   10.063565][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.063817][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6a1000
[   10.064063][  T223] FS:  00007f33e9a72840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   10.064364][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.064596][  T223] CR2: 00007f33e9c79430 CR3: 0000000004ba0003 CR4: 0000000000771ef0
[   10.064854][  T223] PKRU: 55555554
[   10.064999][  T223] Call Trace:
[   10.065144][  T223]  <TASK>
[   10.065258][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.065450][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.065644][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.065802][  T223]  register_netdevice (net/core/dev.c:11488)
[   10.065983][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.066191][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.066385][  T223]  register_netdev (net/core/dev.c:11552)
[   10.066563][  T223]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.066749][  T223]  ops_init (net/core/net_namespace.c:137)
[   10.066909][  T223]  setup_net (net/core/net_namespace.c:446)
[   10.067056][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.067234][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.067427][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.067607][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[   10.067795][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.067976][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.068168][  T223]  ksys_unshare (kernel/fork.c:3243)
[   10.068346][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.068540][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.068719][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.068904][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[   10.069084][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.069263][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.069454][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.069646][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.069832][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.070010][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.070219][  T223] RIP: 0033:0x7f33e9d34bcb
[   10.070416][  T223] 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
[   10.070943][  T223] RSP: 002b:00007ffe31a28b28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.071186][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f33e9d34bcb
[   10.071435][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.071675][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.071935][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe31a2ad50
[   10.072174][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe31a2c86e
| [   10.099451][  T224] ------------[ cut here ]------------
| [   10.099627][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/224
| [   10.099861][  T224] Modules linked in:
| [   10.100237][  T224] Tainted: [W]=WARN
[   10.100335][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.100503][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.100677][  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
[   10.101140][  T224] RSP: 0018:ffa00000009e7020 EFLAGS: 00010286
[   10.101302][  T224] RAX: 00000000ffffffa6 RBX: ff1100000fa40200 RCX: 1ff400000013cdca
[   10.101502][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa402bc
[   10.101694][  T224] RBP: ff1100000ede1000 R08: 1fe2200001f48059 R09: ff1100000f62ae58
[   10.101892][  T224] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.102083][  T224] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.102280][  T224] FS:  00007f6146d6a840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   10.102512][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.102676][  T224] CR2: 000000002bb0a988 CR3: 00000000094d2002 CR4: 0000000000771ef0
[   10.102876][  T224] PKRU: 55555554
[   10.102975][  T224] Call Trace:
[   10.103073][  T224]  <TASK>
[   10.103140][  T224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.103273][  T224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.103376][  T224]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.103505][  T224]  __dev_notify_flags (net/core/dev.c:9787)
[   10.103635][  T224]  ? netif_change_name (net/core/dev.c:1495)
[   10.103771][  T224]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.103901][  T224]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.104031][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.104163][  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))
[   10.104295][  T224]  netif_change_flags (net/core/dev.c:9820)
[   10.104429][  T224]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.104558][  T224]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.104690][  T224]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.104827][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.104992][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.105121][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.105251][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.105442][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.105573][  T224]  ? __kernel_text_address (kernel/extable.c:79)
[   10.105702][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.105840][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.105973][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.106106][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.106235][  T224]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.106420][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.106606][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.106741][  T224]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.106872][  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)
[   10.107002][  T224]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.107135][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.107266][  T224]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.107453][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.107587][  T224]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.107756][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.107891][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.108020][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.108151][  T224]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.108283][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.108471][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.108602][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.108737][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.108867][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.108997][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.109131][  T224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.109267][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.109465][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.109593][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.109727][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.109857][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.109988][  T224]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.110125][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.110258][  T224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.110493][  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))
[   10.110625][  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))
[   10.110762][  T224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.110893][  T224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.111028][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.111164][  T224]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.111296][  T224]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.111504][  T224]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.111637][  T224]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.111783][  T224]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.111917][  T224]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.112081][  T224]  ? move_addr_to_kernel (net/socket.c:258)
[   10.112212][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.112344][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.112559][  T224]  ___sys_sendmsg (net/socket.c:2752)
[   10.112691][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.112862][  T224]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.113004][  T224]  __sys_sendmsg (net/socket.c:2784)
[   10.113134][  T224]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.113266][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.113506][  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)
[   10.113642][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.113782][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.113911][  T224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.114042][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.114173][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.114334][  T224] RIP: 0033:0x7f6146fa408e
[   10.114480][  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
[   10.115022][  T224] RSP: 002b:00007ffd5a04d5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.115222][  T224] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6146fa408e
[   10.115423][  T224] RDX: 0000000000000000 RSI: 00007ffd5a04d660 RDI: 0000000000000005
[   10.115620][  T224] RBP: 00007ffd5a04d5c0 R08: 0000000000000000 R09: 0000000000000000
[   10.115818][  T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[   10.116014][  T224] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a04dd30
| [   10.244892][  T227] ------------[ cut here ]------------
| [   10.245069][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/227
| [   10.245292][  T227] Modules linked in:
| [   10.245653][  T227] Tainted: [W]=WARN
[   10.245755][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.245914][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.246080][  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
[   10.246537][  T227] RSP: 0018:ffa0000000a06ff8 EFLAGS: 00010286
[   10.246696][  T227] RAX: 00000000ffffffa6 RBX: ff1100000fa72200 RCX: 1ff4000000140dc5
[   10.246935][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa722bc
[   10.247126][  T227] RBP: ff1100000a95c000 R08: 1fe2200001f4e459 R09: ff11000001ecd158
[   10.247338][  T227] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.247535][  T227] R13: 0000000000000000 R14: ffa0000000a07140 R15: ff11000001ea8ad0
[   10.247728][  T227] FS:  00007f47ba662840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   10.247952][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.248113][  T227] CR2: 00007f47ba9321a0 CR3: 000000000dfcd003 CR4: 0000000000771ef0
[   10.248307][  T227] PKRU: 55555554
[   10.248409][  T227] Call Trace:
[   10.248504][  T227]  <TASK>
[   10.248574][  T227]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.248704][  T227]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.248870][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.248998][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.249127][  T227]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.249290][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.249426][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.249552][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.249680][  T227]  ? 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))
[   10.249812][  T227]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.249939][  T227]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.250066][  T227]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.250194][  T227]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.250326][  T227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.250489][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.250616][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.250745][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.250869][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.250997][  T227]  ? __kernel_text_address (kernel/extable.c:79)
[   10.251124][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.251251][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.251381][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.251510][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.251637][  T227]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.251773][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.251899][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.252026][  T227]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.252153][  T227]  ? __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)
[   10.252281][  T227]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.252415][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.252549][  T227]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.252679][  T227]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.252816][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.252950][  T227]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.253077][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.253201][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.253325][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.253455][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.253581][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.253708][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.253838][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.253965][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.254092][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.254219][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.254348][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.254485][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.254610][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.254738][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.254864][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.254990][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.255115][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.255240][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.255370][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.255501][  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))
[   10.255626][  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))
[   10.255755][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.255883][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.256009][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.256135][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.256262][  T227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.256396][  T227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.256524][  T227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.256649][  T227]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.256779][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.256935][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   10.257063][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.257189][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.257318][  T227]  ___sys_sendmsg (net/socket.c:2752)
[   10.257449][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.257607][  T227]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.257762][  T227]  __sys_sendmsg (net/socket.c:2784)
[   10.257888][  T227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.258013][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.258171][  T227]  ? 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)
[   10.258298][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.258429][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.258555][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.258682][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.258812][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.258969][  T227] RIP: 0033:0x7f47ba89c08e
[   10.259100][  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
[   10.259559][  T227] RSP: 002b:00007ffda1c6a7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.259754][  T227] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f47ba89c08e
[   10.259942][  T227] RDX: 0000000000000000 RSI: 00007ffda1c6a850 RDI: 0000000000000005
[   10.260132][  T227] RBP: 00007ffda1c6a7b0 R08: 0000000000000000 R09: 0000000000000000
[   10.260320][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[   10.260512][  T227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda1c6af10
| [   10.263138][  T227] ------------[ cut here ]------------
| [   10.263289][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/227
| [   10.263519][  T227] Modules linked in:
| [   10.263883][  T227] Tainted: [W]=WARN
[   10.263982][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.264151][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.264317][  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
[   10.264781][  T227] RSP: 0018:ffa0000000a06fc0 EFLAGS: 00010286
[   10.264948][  T227] RAX: 00000000ffffffa6 RBX: ff1100000fa73000 RCX: 1ff4000000140dbe
[   10.265141][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa730bc
[   10.265332][  T227] RBP: ff1100000a95c000 R08: 1fe2200001f4e619 R09: ff11000001ecd158
[   10.265528][  T227] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.265726][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001ea8ad0
[   10.265919][  T227] FS:  00007f47ba662840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   10.266142][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.266304][  T227] CR2: 00007f47ba9321a0 CR3: 000000000dfcd003 CR4: 0000000000771ef0
[   10.266507][  T227] PKRU: 55555554
[   10.266602][  T227] Call Trace:
[   10.266697][  T227]  <TASK>
[   10.266772][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.266902][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.267031][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.267129][  T227]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.267293][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.267427][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.267555][  T227]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.267714][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.267850][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.267984][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.268116][  T227]  ? 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))
[   10.268246][  T227]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.268379][  T227]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.268507][  T227]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.268638][  T227]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.268776][  T227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.268936][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.269064][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.269191][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.269319][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.269454][  T227]  ? __kernel_text_address (kernel/extable.c:79)
[   10.269588][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.269717][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.269847][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.269979][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.270108][  T227]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.270234][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.270371][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.270500][  T227]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.270630][  T227]  ? __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)
[   10.270760][  T227]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.270887][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.271018][  T227]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.271152][  T227]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.271284][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.271420][  T227]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.271549][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.271677][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.271807][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.271938][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.272069][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.272199][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.272325][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.272457][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.272586][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.272723][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.272857][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.272988][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.273115][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.273241][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.273372][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.273498][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.273627][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.273758][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.273884][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.274020][  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))
[   10.274153][  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))
[   10.274283][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.274418][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.274545][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.274674][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.274811][  T227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.274949][  T227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.275079][  T227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.275208][  T227]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.275335][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.275499][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   10.275631][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.275767][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.275897][  T227]  ___sys_sendmsg (net/socket.c:2752)
[   10.276025][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.276185][  T227]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.276324][  T227]  __sys_sendmsg (net/socket.c:2784)
[   10.276463][  T227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.276594][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.276761][  T227]  ? 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)
[   10.276890][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.277019][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.277149][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.277278][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.277416][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.277575][  T227] RIP: 0033:0x7f47ba89c08e
[   10.277707][  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
[   10.278171][  T227] RSP: 002b:00007ffda1c6a7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.278372][  T227] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f47ba89c08e
[   10.278564][  T227] RDX: 0000000000000000 RSI: 00007ffda1c6a850 RDI: 0000000000000005
[   10.278759][  T227] RBP: 00007ffda1c6a7b0 R08: 0000000000000000 R09: 0000000000000000
[   10.278950][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[   10.279141][  T227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda1c6af10
| [   10.310819][  T228] ------------[ cut here ]------------
| [   10.310963][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/228
| [   10.311189][  T228] Modules linked in:
| [   10.311616][  T228] Tainted: [W]=WARN
[   10.311713][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.311878][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.312043][  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
[   10.312574][  T228] RSP: 0018:ffa0000000a17038 EFLAGS: 00010286
[   10.312740][  T228] RAX: 00000000ffffffa6 RBX: ff1100000fa73c40 RCX: 1ff4000000142dcd
[   10.312984][  T228] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa73cfc
[   10.313173][  T228] RBP: ff1100000a95c000 R08: 1fe2200001f4e7a1 R09: ff11000001ecae58
[   10.313449][  T228] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.313639][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.313844][  T228] FS:  00007f850d5a4840(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   10.314069][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.314230][  T228] CR2: 0000000036a25988 CR3: 000000000dfcd004 CR4: 0000000000771ef0
[   10.314486][  T228] PKRU: 55555554
[   10.314582][  T228] Call Trace:
[   10.314676][  T228]  <TASK>
[   10.314745][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.314875][  T228]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.315004][  T228]  notifier_call_chain (kernel/notifier.c:85)
[   10.315134][  T228]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   10.315267][  T228]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.315520][  T228]  ? 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))
[   10.315655][  T228]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.315796][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   10.315933][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.316063][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.316223][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.316349][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.316539][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.316666][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.316849][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   10.316976][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.317105][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.317231][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.317434][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.317562][  T228]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.317687][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.317819][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.317946][  T228]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.318074][  T228]  ? __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)
[   10.318201][  T228]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.318328][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.318494][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.318622][  T228]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.318759][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.318890][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.319020][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.319146][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.319275][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.319409][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.319535][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.319666][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.319797][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.319924][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.320052][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.320182][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.320311][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.320445][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.320573][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.320701][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.320834][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.320962][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.321090][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.321218][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.321349][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.321486][  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))
[   10.321613][  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))
[   10.321748][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.321879][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.322011][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.322142][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.322275][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.322415][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.322549][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.322679][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.322811][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.322969][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   10.323098][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.323226][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.323360][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   10.323487][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.323645][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.323789][  T228]  __sys_sendmsg (net/socket.c:2784)
[   10.323919][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.324049][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.324210][  T228]  ? 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)
[   10.324341][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.324477][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.324605][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.324738][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.324868][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.325031][  T228] RIP: 0033:0x7f850d7de08e
[   10.325168][  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
[   10.325630][  T228] RSP: 002b:00007ffe77e59e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.325826][  T228] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f850d7de08e
[   10.326018][  T228] RDX: 0000000000000000 RSI: 00007ffe77e59f40 RDI: 0000000000000005
[   10.326211][  T228] RBP: 00007ffe77e59ea0 R08: 0000000000000000 R09: 0000000000000000
[   10.326409][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[   10.326599][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe77e5a610
| [   10.452854][  T232] ------------[ cut here ]------------
| [   10.453027][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/232
| [   10.453267][  T232] Modules linked in:
| [   10.453703][  T232] Tainted: [W]=WARN
[   10.453808][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.453973][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.454145][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.454620][  T232] RSP: 0018:ffa0000000a57020 EFLAGS: 00010286
[   10.454796][  T232] RAX: 00000000ffffffa6 RBX: ff110000095d3380 RCX: 1ff400000014adca
[   10.454992][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d343c
[   10.455188][  T232] RBP: ff1100000a95c000 R08: 1fe22000012ba689 R09: ff1100000f5e2e58
[   10.455389][  T232] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.455582][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.455782][  T232] FS:  00007faea2677840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   10.456011][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.456178][  T232] CR2: 0000000032ea6988 CR3: 00000000099a8001 CR4: 0000000000771ef0
[   10.456382][  T232] PKRU: 55555554
[   10.456479][  T232] Call Trace:
[   10.456577][  T232]  <TASK>
[   10.456646][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.456782][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.456882][  T232]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.457016][  T232]  __dev_notify_flags (net/core/dev.c:9787)
[   10.457147][  T232]  ? netif_change_name (net/core/dev.c:1495)
[   10.457277][  T232]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.457412][  T232]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.457542][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.457672][  T232]  ? 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))
[   10.457809][  T232]  netif_change_flags (net/core/dev.c:9820)
[   10.457941][  T232]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.458074][  T232]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.458208][  T232]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.458340][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.458564][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.458696][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.458831][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.458960][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.459093][  T232]  ? __kernel_text_address (kernel/extable.c:79)
[   10.459225][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.459413][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.459598][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.459733][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.459884][  T232]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.460015][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.460144][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.460274][  T232]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.460460][  T232]  ? __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)
[   10.460590][  T232]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.460719][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.460854][  T232]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.460987][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.461122][  T232]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.461256][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.461441][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.461570][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.461697][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.461831][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.461964][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.462093][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.462222][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.462408][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.462539][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.462670][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.462803][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.462932][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.463060][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.463191][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.463321][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.463518][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.463649][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.463784][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.463923][  T232]  ? 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))
[   10.464053][  T232]  ? 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))
[   10.464186][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.464316][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.464533][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.464689][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.464825][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.464956][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.465090][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.465224][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.465443][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.465604][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.465741][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.465871][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.466003][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.466134][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.466296][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.466531][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.466671][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.466811][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.466979][  T232]  ? 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)
[   10.467112][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.467245][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.467441][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.467574][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.467706][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.467876][  T232] RIP: 0033:0x7faea28b108e
[   10.468018][  T232] 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
[   10.468578][  T232] RSP: 002b:00007ffcfa31f180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.468787][  T232] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faea28b108e
[   10.468981][  T232] RDX: 0000000000000000 RSI: 00007ffcfa31f230 RDI: 0000000000000005
[   10.469175][  T232] RBP: 00007ffcfa31f190 R08: 0000000000000000 R09: 0000000000000000
[   10.469395][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[   10.469601][  T232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfa31f900
| [   10.578463][  T235] ------------[ cut here ]------------
| [   10.578657][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/235
| [   10.578891][  T235] Modules linked in:
| [   10.579264][  T235] Tainted: [W]=WARN
[   10.579375][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.579546][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.579728][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.580225][  T235] RSP: 0018:ffa0000000a86ff8 EFLAGS: 00010286
[   10.580396][  T235] RAX: 00000000ffffffa6 RBX: ff1100000cb0d540 RCX: 1ff4000000150dc5
[   10.580590][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb0d5fc
[   10.580787][  T235] RBP: ff1100000a94c000 R08: 1fe2200001961ac1 R09: ff11000005772e58
[   10.580978][  T235] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.581168][  T235] R13: 0000000000000000 R14: ffa0000000a87140 R15: ff1100000cc383d0
[   10.581368][  T235] FS:  00007f13a9b3b840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   10.581593][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.581761][  T235] CR2: 0000000037165988 CR3: 00000000099a8002 CR4: 0000000000771ef0
[   10.581952][  T235] PKRU: 55555554
[   10.582048][  T235] Call Trace:
[   10.582142][  T235]  <TASK>
[   10.582209][  T235]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.582341][  T235]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.582599][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.582734][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.582862][  T235]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.583020][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.583147][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.583275][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.583411][  T235]  ? 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))
[   10.583542][  T235]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.583671][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.583839][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.583970][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.584099][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.584258][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.584392][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.584519][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.584645][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.584779][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   10.584908][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.585037][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.585162][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.585291][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.585424][  T235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.585550][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.585676][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.585810][  T235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.585938][  T235]  ? __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)
[   10.586067][  T235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.586192][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.586321][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.586453][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.586583][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.586736][  T235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.586867][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.586992][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.587118][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.587244][  T235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.587377][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.587506][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.587632][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.587764][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.587915][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.588043][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.588172][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.588303][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.588441][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.588572][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.588705][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.588852][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.588983][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.589113][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.589241][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.589381][  T235]  ? 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))
[   10.589523][  T235]  ? 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))
[   10.589654][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.589795][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.589927][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.590059][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.590192][  T235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.590326][  T235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.590466][  T235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.590599][  T235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.590736][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.590895][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   10.591025][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.591151][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.591279][  T235]  ___sys_sendmsg (net/socket.c:2752)
[   10.591413][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.591571][  T235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.591710][  T235]  __sys_sendmsg (net/socket.c:2784)
[   10.591844][  T235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.591972][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.592132][  T235]  ? 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)
[   10.592262][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.592397][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.592527][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.592655][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.592790][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.592950][  T235] RIP: 0033:0x7f13a9d7508e
[   10.593086][  T235] 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
[   10.593551][  T235] RSP: 002b:00007ffe44cc3900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.593750][  T235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f13a9d7508e
[   10.593941][  T235] RDX: 0000000000000000 RSI: 00007ffe44cc39b0 RDI: 0000000000000005
[   10.594134][  T235] RBP: 00007ffe44cc3910 R08: 0000000000000000 R09: 0000000000000000
[   10.594326][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[   10.594522][  T235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe44cc4070
| [   10.597078][  T235] ------------[ cut here ]------------
| [   10.597209][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/235
| [   10.597439][  T235] Modules linked in:
| [   10.597834][  T235] Tainted: [W]=WARN
[   10.597933][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.598095][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.598263][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.598738][  T235] RSP: 0018:ffa0000000a86fc0 EFLAGS: 00010286
[   10.598903][  T235] RAX: 00000000ffffffa6 RBX: ff1100000df743c0 RCX: 1ff4000000150dbe
[   10.599098][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df7447c
[   10.599295][  T235] RBP: ff1100000a94c000 R08: 1fe2200001bee891 R09: ff11000005772e58
[   10.599505][  T235] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.599703][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cc383d0
[   10.599900][  T235] FS:  00007f13a9b3b840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   10.600123][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.600286][  T235] CR2: 0000000037165988 CR3: 00000000099a8002 CR4: 0000000000771ef0
[   10.600487][  T235] PKRU: 55555554
[   10.600583][  T235] Call Trace:
[   10.600678][  T235]  <TASK>
[   10.600751][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.600880][  T235]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.601010][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.601108][  T235]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.601273][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.601405][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.601537][  T235]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.601698][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.601829][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.601958][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.602087][  T235]  ? 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))
[   10.602241][  T235]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.602378][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.602528][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.602658][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.602798][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.602964][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.603099][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.603232][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.603368][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.603499][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   10.603629][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.603763][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.603909][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.604043][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.604175][  T235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.604307][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.604444][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.604577][  T235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.604707][  T235]  ? __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)
[   10.604842][  T235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.604970][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.605100][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.605229][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.605366][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.605500][  T235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.605632][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.605767][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.605902][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.606031][  T235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.606161][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.606294][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.606429][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.606558][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.606688][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.606826][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.606957][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.607087][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.607215][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.607343][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.607482][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.607611][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.607751][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.607885][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.608019][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.608159][  T235]  ? 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))
[   10.608293][  T235]  ? 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))
[   10.608431][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.608563][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.608697][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.608841][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.608977][  T235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.609110][  T235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.609247][  T235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.609386][  T235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.609519][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.609684][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   10.609825][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.609959][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.610095][  T235]  ___sys_sendmsg (net/socket.c:2752)
[   10.610230][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.610399][  T235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.610545][  T235]  __sys_sendmsg (net/socket.c:2784)
[   10.610679][  T235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.610835][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.610998][  T235]  ? 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)
[   10.611127][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.611257][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.611390][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.611519][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.611648][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.611815][  T235] RIP: 0033:0x7f13a9d7508e
[   10.611948][  T235] 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
[   10.612416][  T235] RSP: 002b:00007ffe44cc3900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.612611][  T235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f13a9d7508e
[   10.612806][  T235] RDX: 0000000000000000 RSI: 00007ffe44cc39b0 RDI: 0000000000000005
[   10.612999][  T235] RBP: 00007ffe44cc3910 R08: 0000000000000000 R09: 0000000000000000
[   10.613191][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[   10.613389][  T235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe44cc4070
| [   10.636932][  T236] ------------[ cut here ]------------
| [   10.637070][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/236
| [   10.637299][  T236] Modules linked in:
| [   10.637687][  T236] Tainted: [W]=WARN
[   10.637793][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.637958][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.638130][  T236] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.639602][  T236] RSP: 0018:ffa0000000a87038 EFLAGS: 00010286
[   10.639781][  T236] RAX: 00000000ffffffa6 RBX: ff1100000df75380 RCX: 1ff4000000150dcd
[   10.639981][  T236] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df7543c
[   10.640179][  T236] RBP: ff1100000a94c000 R08: 1fe2200001beea89 R09: ff11000009258b58
[   10.640483][  T236] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.640680][  T236] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   10.640884][  T236] FS:  00007ff288e1f840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   10.641115][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.641279][  T236] CR2: 000000001981c988 CR3: 000000000efce004 CR4: 0000000000771ef0
[   10.641586][  T236] PKRU: 55555554
[   10.641686][  T236] Call Trace:
[   10.641792][  T236]  <TASK>
[   10.641860][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.641993][  T236]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.642127][  T236]  notifier_call_chain (kernel/notifier.c:85)
[   10.642261][  T236]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   10.642470][  T236]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.642637][  T236]  ? 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))
[   10.642773][  T236]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.642908][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   10.643043][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.643177][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.643340][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.643554][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.643687][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.643823][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.643959][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   10.644090][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.644224][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.644453][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.644587][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.644719][  T236]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.644857][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.644989][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.645121][  T236]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.645255][  T236]  ? __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)
[   10.645463][  T236]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.645595][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.645732][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.645866][  T236]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.646001][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.646134][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.646268][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.646471][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.646603][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.646737][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.646869][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.647003][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.647133][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.647263][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.647467][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.647600][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.647738][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.647870][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.648002][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.648134][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.648268][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.648469][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.648602][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.648744][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.648876][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.649012][  T236]  ? 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))
[   10.649145][  T236]  ? 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))
[   10.649279][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.649498][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.649633][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.649772][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.649905][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.650038][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.650173][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.650305][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.650512][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.650676][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   10.650815][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.650947][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.651080][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   10.651213][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.651455][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.651599][  T236]  __sys_sendmsg (net/socket.c:2784)
[   10.651738][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.651870][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.652036][  T236]  ? 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)
[   10.652169][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.652305][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.652534][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.652668][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.652804][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.652967][  T236] RIP: 0033:0x7ff28905908e
[   10.653107][  T236] 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
[   10.653659][  T236] RSP: 002b:00007ffcbf8fa080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.653863][  T236] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff28905908e
[   10.654060][  T236] RDX: 0000000000000000 RSI: 00007ffcbf8fa130 RDI: 0000000000000005
[   10.654256][  T236] RBP: 00007ffcbf8fa090 R08: 0000000000000000 R09: 0000000000000000
[   10.654541][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[   10.654740][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbf8fa800
| [   10.786154][  T240] ------------[ cut here ]------------
| [   10.786398][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/240
| [   10.786677][  T240] Modules linked in:
| [   10.787158][  T240] Tainted: [W]=WARN
[   10.787303][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.787526][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.787771][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.788278][  T240] RSP: 0018:ffa0000000a97020 EFLAGS: 00010286
[   10.788510][  T240] RAX: 00000000ffffffa6 RBX: ff11000010171380 RCX: 1ff4000000152dca
[   10.788761][  T240] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001017143c
[   10.789005][  T240] RBP: ff1100000a94c000 R08: 1fe220000202e289 R09: ff1100000f7c2e58
[   10.789255][  T240] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.789507][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.789757][  T240] FS:  00007f0f9e394840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   10.790031][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.790243][  T240] CR2: 000000000cc4f988 CR3: 000000000ff91004 CR4: 0000000000771ef0
[   10.790498][  T240] PKRU: 55555554
[   10.790664][  T240] Call Trace:
[   10.790818][  T240]  <TASK>
[   10.790935][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.791121][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.791273][  T240]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.791469][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   10.791653][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   10.791841][  T240]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.792029][  T240]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.792207][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.792398][  T240]  ? 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))
[   10.792581][  T240]  netif_change_flags (net/core/dev.c:9820)
[   10.792772][  T240]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.792954][  T240]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.793144][  T240]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.793322][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.793545][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.793731][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.793911][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.794091][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.794275][  T240]  ? __kernel_text_address (kernel/extable.c:79)
[   10.794471][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.794659][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.794846][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.795026][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.795204][  T240]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.795394][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.795575][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.795769][  T240]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.795950][  T240]  ? __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)
[   10.796129][  T240]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.796308][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.796506][  T240]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.796689][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.796876][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.797056][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.797234][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.797494][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.797721][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.797973][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.798149][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.798324][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.798515][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.798691][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.798880][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.799056][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.799232][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.799421][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.799603][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.799808][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.799989][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.800172][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.800348][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.800539][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.800748][  T240]  ? 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))
[   10.800931][  T240]  ? 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))
[   10.801113][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.801292][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.801481][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.801663][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.801853][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.802039][  T240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.802219][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.802434][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.802611][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.802825][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   10.803009][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.803207][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.803403][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   10.803578][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.803794][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.803984][  T240]  __sys_sendmsg (net/socket.c:2784)
[   10.804183][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.804373][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.804585][  T240]  ? 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)
[   10.804778][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.804956][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.805132][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.805309][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.805499][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.805707][  T240] RIP: 0033:0x7f0f9e5ce08e
[   10.805902][  T240] 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
[   10.806424][  T240] RSP: 002b:00007ffeab868460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.806665][  T240] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0f9e5ce08e
[   10.806915][  T240] RDX: 0000000000000000 RSI: 00007ffeab868510 RDI: 0000000000000005
[   10.807153][  T240] RBP: 00007ffeab868470 R08: 0000000000000000 R09: 0000000000000000
[   10.807403][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62d
[   10.807643][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeab868be0
| [   10.810370][   T38] ------------[ cut here ]------------
| [   10.810569][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/38
| [   10.810823][   T38] Modules linked in:
| [   10.811208][   T38] Tainted: [W]=WARN
[   10.811298][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.811452][   T38] Workqueue: events_unbound linkwatch_event
[   10.811611][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.811773][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.812200][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   10.812346][   T38] RAX: 00000000ffffffa6 RBX: ff110000102ac040 RCX: 1ff4000000055f02
[   10.812564][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102ac0fc
[   10.812746][   T38] RBP: ff1100000a94c000 R08: 1fe2200002055821 R09: ff11000001da2ea8
[   10.812921][   T38] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.813096][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.813274][   T38] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   10.813701][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.813855][   T38] CR2: 00007f850d671574 CR3: 000000000cfca005 CR4: 0000000000771ef0
[   10.814073][   T38] PKRU: 55555554
[   10.814162][   T38] Call Trace:
[   10.814250][   T38]  <TASK>
[   10.814315][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.814465][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.814585][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.814674][   T38]  netif_state_change (net/core/dev.c:1605)
[   10.814802][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.814950][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.815066][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.815185][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.815312][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.815434][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.815555][   T38]  process_one_work (kernel/workqueue.c:3314)
[   10.815681][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.815927][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.816048][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.816170][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.816290][   T38]  kthread (kernel/kthread.c:436)
[   10.816384][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.816535][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.816658][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.816784][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.816931][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.817054][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.817173][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.818959][   T38] ------------[ cut here ]------------
| [   10.819094][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [   10.819367][   T38] Modules linked in:
| [   10.819736][   T38] Tainted: [W]=WARN
[   10.819825][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.819975][   T38] Workqueue: events_unbound linkwatch_event
[   10.820127][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.820281][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.820747][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   10.820897][   T38] RAX: 00000000ffffffa6 RBX: ff110000102ac900 RCX: 1ff4000000055f02
[   10.821075][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102ac9bc
[   10.821256][   T38] RBP: ff1100000a95c000 R08: 1fe2200002055939 R09: ff11000001da2ea8
[   10.821479][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.821665][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.821857][   T38] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   10.822066][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.822218][   T38] CR2: 00007f0f9e461574 CR3: 000000001914d001 CR4: 0000000000771ef0
[   10.822413][   T38] PKRU: 55555554
[   10.822505][   T38] Call Trace:
[   10.822600][   T38]  <TASK>
[   10.822663][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.822789][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.822912][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.823003][   T38]  netif_state_change (net/core/dev.c:1605)
[   10.823128][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.823282][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.823490][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.823632][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.823758][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.823876][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.823996][   T38]  process_one_work (kernel/workqueue.c:3314)
[   10.824191][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.824323][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.824456][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.824583][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.824701][   T38]  kthread (kernel/kthread.c:436)
[   10.824796][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.825023][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.825144][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.825264][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.825423][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.825542][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.825742][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.929980][  T244] ------------[ cut here ]------------
| [   10.930149][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/244
| [   10.930805][  T244] Modules linked in:
| [   10.931180][  T244] Tainted: [W]=WARN
[   10.931282][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.931452][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.931623][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.932098][  T244] RSP: 0018:ffa0000000a17a80 EFLAGS: 00010286
[   10.932264][  T244] RAX: 00000000ffffffa6 RBX: ff110000102ea580 RCX: 1ff4000000142f16
[   10.932464][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102ea63c
[   10.932659][  T244] RBP: ff1100000f8ec000 R08: 1fe220000205d4c9 R09: ff1100000fd5ae80
[   10.932855][  T244] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.933049][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8ec000
[   10.933245][  T244] FS:  00007f4f4b7d8840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   10.933476][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.933640][  T244] CR2: 00007f4f4b9e27d0 CR3: 000000000df23006 CR4: 0000000000771ef0
[   10.933840][  T244] PKRU: 55555554
[   10.933937][  T244] Call Trace:
[   10.934034][  T244]  <TASK>
[   10.934102][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.934235][  T244]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.934369][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.934468][  T244]  register_netdevice (net/core/dev.c:11488)
[   10.934600][  T244]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.934767][  T244]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.934897][  T244]  register_netdev (net/core/dev.c:11552)
[   10.935026][  T244]  loopback_net_init (drivers/net/loopback.c:218)
[   10.935157][  T244]  ops_init (net/core/net_namespace.c:137)
[   10.935258][  T244]  setup_net (net/core/net_namespace.c:446)
[   10.935362][  T244]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.935492][  T244]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.935623][  T244]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.935760][  T244]  copy_net_ns (net/core/net_namespace.c:579)
[   10.935890][  T244]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.936024][  T244]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.936155][  T244]  ksys_unshare (kernel/fork.c:3243)
[   10.936287][  T244]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.936422][  T244]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.936553][  T244]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.936684][  T244]  ? __ia32_sys_open (fs/open.c:1374)
[   10.936818][  T244]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.936949][  T244]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.937078][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.937206][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.937334][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.937467][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.937630][  T244] RIP: 0033:0x7f4f4ba9abcb
[   10.937768][  T244] 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
[   10.938231][  T244] RSP: 002b:00007ffcd5de8ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.938435][  T244] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f4ba9abcb
[   10.938628][  T244] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.938824][  T244] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.939017][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd5deb0d0
[   10.939209][  T244] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd5dec869
| [   10.943418][  T244] ------------[ cut here ]------------
| [   10.943552][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/244
| [   10.943778][  T244] Modules linked in:
| [   10.944139][  T244] Tainted: [W]=WARN
[   10.944237][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.944403][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.944572][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.945035][  T244] RSP: 0018:ffa0000000a17918 EFLAGS: 00010286
[   10.945199][  T244] RAX: 00000000ffffffa6 RBX: ff110000102e7000 RCX: 1ff4000000142ee9
[   10.945397][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102e70bc
[   10.945589][  T244] RBP: ff1100000aa21000 R08: 1fe220000205ce19 R09: ff1100000fd5ae80
[   10.945784][  T244] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.945975][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa21000
[   10.946169][  T244] FS:  00007f4f4b7d8840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   10.946398][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.946561][  T244] CR2: 00007f4f4b9e27d0 CR3: 000000000df23006 CR4: 0000000000771ef0
[   10.946756][  T244] PKRU: 55555554
[   10.946852][  T244] Call Trace:
[   10.946948][  T244]  <TASK>
[   10.947015][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.947143][  T244]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.947272][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.947376][  T244]  register_netdevice (net/core/dev.c:11488)
[   10.947507][  T244]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.947666][  T244]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.947799][  T244]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.947929][  T244]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.948057][  T244]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.948187][  T244]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.948315][  T244]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.948452][  T244]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.948582][  T244]  ops_init (net/core/net_namespace.c:137)
[   10.948681][  T244]  setup_net (net/core/net_namespace.c:446)
[   10.948781][  T244]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.948909][  T244]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.949038][  T244]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.949167][  T244]  copy_net_ns (net/core/net_namespace.c:579)
[   10.949297][  T244]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.949432][  T244]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.949562][  T244]  ksys_unshare (kernel/fork.c:3243)
[   10.949691][  T244]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.949824][  T244]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.949951][  T244]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.950080][  T244]  ? __ia32_sys_open (fs/open.c:1374)
[   10.950211][  T244]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.950339][  T244]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.950471][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.950600][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.950761][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.950899][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.951059][  T244] RIP: 0033:0x7f4f4ba9abcb
[   10.951205][  T244] 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
[   10.951664][  T244] RSP: 002b:00007ffcd5de8ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.951862][  T244] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f4ba9abcb
[   10.952055][  T244] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.952246][  T244] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.952441][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd5deb0d0
[   10.952631][  T244] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd5dec869
| [   10.956485][  T244] ------------[ cut here ]------------
| [   10.956615][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/244
| [   10.956842][  T244] Modules linked in:
| [   10.957236][  T244] Tainted: [W]=WARN
[   10.957335][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.957503][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.957671][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.958147][  T244] RSP: 0018:ffa0000000a178f8 EFLAGS: 00010286
[   10.958310][  T244] RAX: 00000000ffffffa6 RBX: ff110000102e6040 RCX: 1ff4000000142ee5
[   10.958510][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102e60fc
[   10.958704][  T244] RBP: ff1100000aa81000 R08: 1fe220000205cc21 R09: ff1100000fd5ae80
[   10.958906][  T244] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.959101][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa81000
[   10.959296][  T244] FS:  00007f4f4b7d8840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   10.959556][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.959730][  T244] CR2: 00007f4f4b9e27d0 CR3: 000000000df23006 CR4: 0000000000771ef0
[   10.959926][  T244] PKRU: 55555554
[   10.960024][  T244] Call Trace:
[   10.960121][  T244]  <TASK>
[   10.960188][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.960319][  T244]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.960580][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.960681][  T244]  register_netdevice (net/core/dev.c:11488)
[   10.960836][  T244]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.960998][  T244]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.961132][  T244]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.961262][  T244]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.961398][  T244]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.961533][  T244]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.961663][  T244]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.961802][  T244]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.961932][  T244]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.962064][  T244]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.962197][  T244]  ops_init (net/core/net_namespace.c:137)
[   10.962297][  T244]  setup_net (net/core/net_namespace.c:446)
[   10.962400][  T244]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.962530][  T244]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.962661][  T244]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.962798][  T244]  copy_net_ns (net/core/net_namespace.c:579)
[   10.962929][  T244]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.963062][  T244]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.963193][  T244]  ksys_unshare (kernel/fork.c:3243)
[   10.963325][  T244]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.963460][  T244]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.963590][  T244]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.963725][  T244]  ? __ia32_sys_open (fs/open.c:1374)
[   10.963857][  T244]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.963986][  T244]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.964117][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.964247][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.964381][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.964513][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.964676][  T244] RIP: 0033:0x7f4f4ba9abcb
[   10.964815][  T244] 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
[   10.965278][  T244] RSP: 002b:00007ffcd5de8ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.965480][  T244] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f4ba9abcb
[   10.965675][  T244] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.965874][  T244] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.966068][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd5deb0d0
[   10.966262][  T244] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd5dec869
| [   10.970392][  T244] ------------[ cut here ]------------
| [   10.970535][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/244
| [   10.970763][  T244] Modules linked in:
| [   10.971214][  T244] Tainted: [W]=WARN
[   10.971311][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.971662][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.971840][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.972297][  T244] RSP: 0018:ffa0000000a17a78 EFLAGS: 00010286
[   10.972463][  T244] RAX: 00000000ffffffa6 RBX: ff110000102eb1c0 RCX: 1ff4000000142f15
[   10.972657][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102eb27c
[   10.972967][  T244] RBP: ff1100000aa29000 R08: 1fe220000205d651 R09: ff1100000fd5ae80
[   10.973159][  T244] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.973355][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa29000
[   10.973637][  T244] FS:  00007f4f4b7d8840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   10.973871][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.974124][  T244] CR2: 00007f4f4b9e27d0 CR3: 000000000df23006 CR4: 0000000000771ef0
[   10.974318][  T244] PKRU: 55555554
[   10.974419][  T244] Call Trace:
[   10.974514][  T244]  <TASK>
[   10.974581][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.974804][  T244]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.974934][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.975032][  T244]  register_netdevice (net/core/dev.c:11488)
[   10.975164][  T244]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.975412][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.975544][  T244]  register_netdev (net/core/dev.c:11552)
[   10.975674][  T244]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.975811][  T244]  ops_init (net/core/net_namespace.c:137)
[   10.975995][  T244]  setup_net (net/core/net_namespace.c:446)
[   10.976093][  T244]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.976225][  T244]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.976362][  T244]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.976577][  T244]  copy_net_ns (net/core/net_namespace.c:579)
[   10.976711][  T244]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.976848][  T244]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.976977][  T244]  ksys_unshare (kernel/fork.c:3243)
[   10.977192][  T244]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.977321][  T244]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.977464][  T244]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.977594][  T244]  ? __ia32_sys_open (fs/open.c:1374)
[   10.977814][  T244]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.977942][  T244]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.978074][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.978203][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.978420][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.978549][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.978710][  T244] RIP: 0033:0x7f4f4ba9abcb
[   10.978849][  T244] 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
[   10.979403][  T244] RSP: 002b:00007ffcd5de8ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.979689][  T244] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f4ba9abcb
[   10.979886][  T244] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.980078][  T244] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.980361][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd5deb0d0
[   10.980552][  T244] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd5dec869
| [   10.990802][  T244] ------------[ cut here ]------------
| [   10.990952][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/244
| [   10.991178][  T244] Modules linked in:
| [   10.991551][  T244] Tainted: [W]=WARN
[   10.991650][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.991816][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.991987][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.992462][  T244] RSP: 0018:ffa0000000a17a68 EFLAGS: 00010286
[   10.992629][  T244] RAX: 00000000ffffffa6 RBX: ff1100000de36c80 RCX: 1ff4000000142f13
[   10.992827][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de36d3c
[   10.993021][  T244] RBP: ff1100000ed4c000 R08: 1fe2200001bc6da9 R09: ff1100000fd5ae80
[   10.993215][  T244] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.993427][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ed4c000
[   10.993625][  T244] FS:  00007f4f4b7d8840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   10.993857][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.994020][  T244] CR2: 00007f0f9e461574 CR3: 000000000df23006 CR4: 0000000000771ef0
[   10.994215][  T244] PKRU: 55555554
[   10.994312][  T244] Call Trace:
[   10.994416][  T244]  <TASK>
[   10.994483][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.994612][  T244]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.994751][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.994851][  T244]  register_netdevice (net/core/dev.c:11488)
[   10.994985][  T244]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.995151][  T244]  register_netdev (net/core/dev.c:11552)
[   10.995282][  T244]  sit_init_net (net/ipv6/sit.c:1860)
[   10.995420][  T244]  ops_init (net/core/net_namespace.c:137)
[   10.995521][  T244]  setup_net (net/core/net_namespace.c:446)
[   10.995620][  T244]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.995753][  T244]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.995883][  T244]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.996016][  T244]  copy_net_ns (net/core/net_namespace.c:579)
[   10.996150][  T244]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.996284][  T244]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.996420][  T244]  ksys_unshare (kernel/fork.c:3243)
[   10.996551][  T244]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.996681][  T244]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.996817][  T244]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.996948][  T244]  ? __ia32_sys_open (fs/open.c:1374)
[   10.997080][  T244]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.997210][  T244]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.997338][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.997473][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.997604][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.997737][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.997899][  T244] RIP: 0033:0x7f4f4ba9abcb
[   10.998034][  T244] 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
[   10.998502][  T244] RSP: 002b:00007ffcd5de8ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.998699][  T244] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f4ba9abcb
[   10.998896][  T244] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.999091][  T244] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.999284][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd5deb0d0
[   10.999483][  T244] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd5dec869
| [   11.004320][  T244] ------------[ cut here ]------------
| [   11.004484][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/244
| [   11.004708][  T244] Modules linked in:
| [   11.005123][  T244] Tainted: [W]=WARN
[   11.005223][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.005392][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.005563][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.006051][  T244] RSP: 0018:ffa0000000a17a78 EFLAGS: 00010286
[   11.006239][  T244] RAX: 00000000ffffffa6 RBX: ff1100000c6271c0 RCX: 1ff4000000142f15
[   11.006442][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c62727c
[   11.006638][  T244] RBP: ff1100000f66c000 R08: 1fe22000018c4e51 R09: ff1100000fd5ae80
[   11.006878][  T244] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.007071][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f66c000
[   11.007267][  T244] FS:  00007f4f4b7d8840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   11.007499][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.007664][  T244] CR2: 00007f0f9e461574 CR3: 000000000df23006 CR4: 0000000000771ef0
[   11.007896][  T244] PKRU: 55555554
[   11.007998][  T244] Call Trace:
[   11.008097][  T244]  <TASK>
[   11.008166][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.008303][  T244]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.008446][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.008549][  T244]  register_netdevice (net/core/dev.c:11488)
[   11.008688][  T244]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.008856][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.008993][  T244]  register_netdev (net/core/dev.c:11552)
[   11.009127][  T244]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.009263][  T244]  ops_init (net/core/net_namespace.c:137)
[   11.009369][  T244]  setup_net (net/core/net_namespace.c:446)
[   11.009471][  T244]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.009607][  T244]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.009746][  T244]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.009881][  T244]  copy_net_ns (net/core/net_namespace.c:579)
[   11.010018][  T244]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.010157][  T244]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.010293][  T244]  ksys_unshare (kernel/fork.c:3243)
[   11.010433][  T244]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.010570][  T244]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.010704][  T244]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.010842][  T244]  ? __ia32_sys_open (fs/open.c:1374)
[   11.010979][  T244]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.011115][  T244]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.011251][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.011891][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.012030][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.012164][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.012330][  T244] RIP: 0033:0x7f4f4ba9abcb
[   11.012526][  T244] 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
[   11.013009][  T244] RSP: 002b:00007ffcd5de8ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.013213][  T244] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f4ba9abcb
[   11.013471][  T244] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.013672][  T244] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.013878][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd5deb0d0
[   11.014135][  T244] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcd5dec869
| [   11.047594][  T245] ------------[ cut here ]------------
| [   11.047762][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/245
| [   11.047996][  T245] Modules linked in:
| [   11.048388][  T245] Tainted: [W]=WARN
[   11.048492][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.048664][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.048842][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.049321][  T245] RSP: 0018:ffa0000000957020 EFLAGS: 00010286
[   11.049497][  T245] RAX: 00000000ffffffa6 RBX: ff1100000c626900 RCX: 1ff400000012adca
[   11.049704][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6269bc
[   11.049911][  T245] RBP: ff1100000f8ec000 R08: 1fe22000018c4d39 R09: ff1100000fd5d158
[   11.050111][  T245] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.050312][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.050522][  T245] FS:  00007f1782830840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   11.050762][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.050930][  T245] CR2: 00007f1782b001a0 CR3: 000000000eea7002 CR4: 0000000000771ef0
[   11.051130][  T245] PKRU: 55555554
[   11.051231][  T245] Call Trace:
[   11.051333][  T245]  <TASK>
[   11.051408][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.051546][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.051650][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.051788][  T245]  __dev_notify_flags (net/core/dev.c:9787)
[   11.051923][  T245]  ? netif_change_name (net/core/dev.c:1495)
[   11.052057][  T245]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.052191][  T245]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.052326][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.052466][  T245]  ? 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))
[   11.052604][  T245]  netif_change_flags (net/core/dev.c:9820)
[   11.052743][  T245]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.052880][  T245]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.053017][  T245]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.053153][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.053322][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.053463][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.053597][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.053735][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.053872][  T245]  ? __kernel_text_address (kernel/extable.c:79)
[   11.054008][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.054143][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.054279][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.054420][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.054555][  T245]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.054688][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.054827][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.054961][  T245]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.055095][  T245]  ? __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)
[   11.055231][  T245]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.055369][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.055505][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.055641][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.055783][  T245]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.055921][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.056054][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.056189][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.056325][  T245]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.056465][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.056602][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.056740][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.056874][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.057009][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.057145][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.057281][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.057422][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.057557][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.057691][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.057829][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.057964][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.058099][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.058234][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.058372][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.058513][  T245]  ? 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))
[   11.058649][  T245]  ? 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))
[   11.058791][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.058928][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.059063][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.059199][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.059336][  T245]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.059482][  T245]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.059624][  T245]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.059765][  T245]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.059900][  T245]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.060066][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   11.060202][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.060336][  T245]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.060480][  T245]  ___sys_sendmsg (net/socket.c:2752)
[   11.060614][  T245]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.060787][  T245]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.060934][  T245]  __sys_sendmsg (net/socket.c:2784)
[   11.061069][  T245]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.061203][  T245]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.061376][  T245]  ? 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)
[   11.061513][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.061649][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.061789][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.061925][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.062060][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.062227][  T245] RIP: 0033:0x7f1782a6a08e
[   11.062371][  T245] 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
[   11.062860][  T245] RSP: 002b:00007ffd8f671310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.063063][  T245] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1782a6a08e
[   11.063263][  T245] RDX: 0000000000000000 RSI: 00007ffd8f6713c0 RDI: 0000000000000005
[   11.063468][  T245] RBP: 00007ffd8f671320 R08: 0000000000000000 R09: 0000000000000000
[   11.063671][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62e
[   11.063881][  T245] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8f671a90
| [   11.192267][  T249] ------------[ cut here ]------------
| [   11.192464][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/249
| [   11.192707][  T249] Modules linked in:
| [   11.193098][  T249] Tainted: [W]=WARN
[   11.193201][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.193382][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.193563][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.194057][  T249] RSP: 0018:ffa0000000ad7a80 EFLAGS: 00010286
[   11.194228][  T249] RAX: 00000000ffffffa6 RBX: ff110000102dd000 RCX: 1ff400000015af16
[   11.194436][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102dd0bc
[   11.194636][  T249] RBP: ff1100000a924000 R08: 1fe220000205ba19 R09: ff1100000ec45180
[   11.194843][  T249] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.195043][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a924000
[   11.195247][  T249] FS:  00007efd42975840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.195490][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.195660][  T249] CR2: 00007fcd55faa2a0 CR3: 000000000eea7002 CR4: 0000000000771ef0
[   11.195867][  T249] PKRU: 55555554
[   11.195967][  T249] Call Trace:
[   11.196068][  T249]  <TASK>
[   11.196139][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.196275][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.196417][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.196520][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.196657][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.196829][  T249]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.196965][  T249]  register_netdev (net/core/dev.c:11552)
[   11.197099][  T249]  loopback_net_init (drivers/net/loopback.c:218)
[   11.197236][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.197339][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.197446][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.197580][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.197715][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.197856][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.197993][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.198129][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.198266][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.198404][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.198541][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.198674][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.198818][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.198954][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.199088][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.199222][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.199362][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.199498][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.199636][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.199810][  T249] RIP: 0033:0x7efd42c37bcb
[   11.199951][  T249] 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
[   11.200434][  T249] RSP: 002b:00007ffcf40cdb78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.200639][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd42c37bcb
[   11.200846][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.201045][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.201244][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf40cfda0
[   11.201452][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf40d1869
| [   11.205663][  T249] ------------[ cut here ]------------
| [   11.205819][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/249
| [   11.206056][  T249] Modules linked in:
| [   11.206435][  T249] Tainted: [W]=WARN
[   11.206536][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.206705][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.206893][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.207372][  T249] RSP: 0018:ffa0000000ad7918 EFLAGS: 00010286
[   11.207539][  T249] RAX: 00000000ffffffa6 RBX: ff1100000ca92040 RCX: 1ff400000015aee9
[   11.207744][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca920fc
[   11.207944][  T249] RBP: ff1100000ef21000 R08: 1fe2200001952421 R09: ff1100000ec45180
[   11.208142][  T249] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.208342][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ef21000
[   11.208550][  T249] FS:  00007efd42975840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.208789][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.208962][  T249] CR2: 00007fcd55faa2a0 CR3: 000000000eea7002 CR4: 0000000000771ef0
[   11.209164][  T249] PKRU: 55555554
[   11.209264][  T249] Call Trace:
[   11.209378][  T249]  <TASK>
[   11.209449][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.209588][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.209723][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.209830][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.209968][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.210137][  T249]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.210276][  T249]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.210417][  T249]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.210551][  T249]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.210686][  T249]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.210827][  T249]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.210962][  T249]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.211099][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.211202][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.211305][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.211443][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.211577][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.211713][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.211853][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.211990][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.212125][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.212258][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.212398][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.212531][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.212667][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.212806][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.212939][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.213072][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.213205][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.213338][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.213477][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.213642][  T249] RIP: 0033:0x7efd42c37bcb
[   11.213788][  T249] 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
[   11.214260][  T249] RSP: 002b:00007ffcf40cdb78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.214466][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd42c37bcb
[   11.214664][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.214868][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.215068][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf40cfda0
[   11.215269][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf40d1869
| [   11.228165][  T249] ------------[ cut here ]------------
| [   11.228318][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/249
| [   11.228564][  T249] Modules linked in:
| [   11.228943][  T249] Tainted: [W]=WARN
[   11.229046][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.229217][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.229397][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.229879][  T249] RSP: 0018:ffa0000000ad78f8 EFLAGS: 00010286
[   11.230046][  T249] RAX: 00000000ffffffa6 RBX: ff110000093951c0 RCX: 1ff400000015aee5
[   11.230249][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000939527c
[   11.230455][  T249] RBP: ff1100000ed51000 R08: 1fe2200001272a51 R09: ff1100000ec45180
[   11.230655][  T249] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.230859][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ed51000
[   11.231062][  T249] FS:  00007efd42975840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.231296][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.231469][  T249] CR2: 00007fcd55faa2a0 CR3: 000000000eea7002 CR4: 0000000000771ef0
[   11.231671][  T249] PKRU: 55555554
[   11.231778][  T249] Call Trace:
[   11.231880][  T249]  <TASK>
[   11.231950][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.232086][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.232222][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.232325][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.232466][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.232636][  T249]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.232778][  T249]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.232916][  T249]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.233050][  T249]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.233186][  T249]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.233321][  T249]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.233463][  T249]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.233597][  T249]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.233738][  T249]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.233875][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.233979][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.234082][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.234217][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.234357][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.234495][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.234631][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.234774][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.234911][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.235045][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.235181][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.235316][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.235458][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.235596][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.235736][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.235872][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.236009][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.236144][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.236278][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.236451][  T249] RIP: 0033:0x7efd42c37bcb
[   11.236592][  T249] 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
[   11.237080][  T249] RSP: 002b:00007ffcf40cdb78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.237283][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd42c37bcb
[   11.237490][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.237693][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.237897][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf40cfda0
[   11.238098][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf40d1869
| [   11.242194][  T249] ------------[ cut here ]------------
| [   11.242341][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/249
| [   11.242578][  T249] Modules linked in:
| [   11.242958][  T249] Tainted: [W]=WARN
[   11.243059][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.243226][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.243403][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.243886][  T249] RSP: 0018:ffa0000000ad7a78 EFLAGS: 00010286
[   11.244055][  T249] RAX: 00000000ffffffa6 RBX: ff110000102ddc40 RCX: 1ff400000015af15
[   11.244258][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102ddcfc
[   11.244463][  T249] RBP: ff1100000a8d4000 R08: 1fe220000205bba1 R09: ff1100000ec45180
[   11.244665][  T249] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.244869][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8d4000
[   11.245071][  T249] FS:  00007efd42975840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.245307][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.245484][  T249] CR2: 00007fcd55faa2a0 CR3: 000000000eea7002 CR4: 0000000000771ef0
[   11.245688][  T249] PKRU: 55555554
[   11.245795][  T249] Call Trace:
[   11.245896][  T249]  <TASK>
[   11.245966][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.246102][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.246237][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.246341][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.246483][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.246650][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.246793][  T249]  register_netdev (net/core/dev.c:11552)
[   11.246928][  T249]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.247066][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.247171][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.247275][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.247420][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.247556][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.247693][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.247836][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.247974][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.248110][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.248246][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.248388][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.248523][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.248658][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.248800][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.248935][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.249069][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.249204][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.249339][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.249482][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.249650][  T249] RIP: 0033:0x7efd42c37bcb
[   11.249795][  T249] 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
[   11.250274][  T249] RSP: 002b:00007ffcf40cdb78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.250486][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd42c37bcb
[   11.250687][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.250891][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.251091][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf40cfda0
[   11.251293][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf40d1869
| [   11.255414][  T249] ------------[ cut here ]------------
| [   11.255558][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/249
| [   11.255797][  T249] Modules linked in:
| [   11.256170][  T249] Tainted: [W]=WARN
[   11.256272][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.256446][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.256622][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.257105][  T249] RSP: 0018:ffa0000000ad7a68 EFLAGS: 00010286
[   11.257274][  T249] RAX: 00000000ffffffa6 RBX: ff1100000ca931c0 RCX: 1ff400000015af13
[   11.257481][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca9327c
[   11.257682][  T249] RBP: ff110000097e1000 R08: 1fe2200001952651 R09: ff1100000ec45180
[   11.257888][  T249] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.258087][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000097e1000
[   11.258289][  T249] FS:  00007efd42975840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.258530][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.258700][  T249] CR2: 00007fcd55faa2a0 CR3: 000000000eea7002 CR4: 0000000000771ef0
[   11.258906][  T249] PKRU: 55555554
[   11.259006][  T249] Call Trace:
[   11.259106][  T249]  <TASK>
[   11.259176][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.259311][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.259451][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.259554][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.259690][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.259864][  T249]  register_netdev (net/core/dev.c:11552)
[   11.259997][  T249]  sit_init_net (net/ipv6/sit.c:1860)
[   11.260135][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.260237][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.260338][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.260477][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.260612][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.260754][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.260890][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.261029][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.261164][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.261298][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.261435][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.261570][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.261704][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.261843][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.261978][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.262113][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.262248][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.262386][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.262520][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.262687][  T249] RIP: 0033:0x7efd42c37bcb
[   11.262829][  T249] 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
[   11.263308][  T249] RSP: 002b:00007ffcf40cdb78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.263517][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd42c37bcb
[   11.263718][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.263925][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.264123][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf40cfda0
[   11.264322][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf40d1869
| [   11.269031][  T249] ------------[ cut here ]------------
| [   11.269174][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/249
| [   11.269411][  T249] Modules linked in:
| [   11.269800][  T249] Tainted: [W]=WARN
[   11.269903][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.270072][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.270248][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.270741][  T249] RSP: 0018:ffa0000000ad7a78 EFLAGS: 00010286
[   11.270911][  T249] RAX: 00000000ffffffa6 RBX: ff1100001031f700 RCX: 1ff400000015af15
[   11.271112][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001031f7bc
[   11.271315][  T249] RBP: ff1100000e65c000 R08: 1fe2200002063ef9 R09: ff1100000ec45180
[   11.271523][  T249] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.271730][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e65c000
[   11.271934][  T249] FS:  00007efd42975840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.272171][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.272340][  T249] CR2: 00007fcd55faa2a0 CR3: 000000000eea7002 CR4: 0000000000771ef0
[   11.272551][  T249] PKRU: 55555554
[   11.272652][  T249] Call Trace:
[   11.272758][  T249]  <TASK>
[   11.272828][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.272965][  T249]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.273100][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.273203][  T249]  register_netdevice (net/core/dev.c:11488)
[   11.273341][  T249]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.273517][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.273654][  T249]  register_netdev (net/core/dev.c:11552)
[   11.273793][  T249]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.273928][  T249]  ops_init (net/core/net_namespace.c:137)
[   11.274033][  T249]  setup_net (net/core/net_namespace.c:446)
[   11.274135][  T249]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.274270][  T249]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.274411][  T249]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.274549][  T249]  copy_net_ns (net/core/net_namespace.c:579)
[   11.274685][  T249]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.274826][  T249]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.274962][  T249]  ksys_unshare (kernel/fork.c:3243)
[   11.275096][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.275230][  T249]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.275370][  T249]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.275506][  T249]  ? __ia32_sys_open (fs/open.c:1374)
[   11.275642][  T249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.275781][  T249]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.275916][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.276050][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.276184][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.276318][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.276492][  T249] RIP: 0033:0x7efd42c37bcb
[   11.276630][  T249] 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
[   11.277112][  T249] RSP: 002b:00007ffcf40cdb78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.277314][  T249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efd42c37bcb
[   11.277519][  T249] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.277814][  T249] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.278014][  T249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf40cfda0
[   11.278214][  T249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf40d1869
| [   11.310926][  T250] ------------[ cut here ]------------
| [   11.311084][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/250
| [   11.311316][  T250] Modules linked in:
| [   11.311715][  T250] Tainted: [W]=WARN
[   11.311822][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.311987][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.312161][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.312640][  T250] RSP: 0018:ffa0000000ae7020 EFLAGS: 00010286
[   11.312816][  T250] RAX: 00000000ffffffa6 RBX: ff1100000bd96c80 RCX: 1ff400000015cdca
[   11.313013][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd96d3c
[   11.313211][  T250] RBP: ff1100000a924000 R08: 1fe22000017b2da9 R09: ff1100000ec42e58
[   11.313420][  T250] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.313619][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.313825][  T250] FS:  00007fc985960840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   11.314057][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.314225][  T250] CR2: 00007fc985c301a0 CR3: 000000000e416003 CR4: 0000000000771ef0
[   11.314432][  T250] PKRU: 55555554
[   11.314531][  T250] Call Trace:
[   11.314630][  T250]  <TASK>
[   11.314699][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.314840][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.314947][  T250]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.315080][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   11.315214][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   11.315349][  T250]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.315491][  T250]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.315624][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.315763][  T250]  ? 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))
[   11.315899][  T250]  netif_change_flags (net/core/dev.c:9820)
[   11.316033][  T250]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.316167][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.316305][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.316447][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.316615][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.316755][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.316887][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.317020][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.317157][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   11.317290][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.317431][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.317563][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.317698][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.317837][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.317969][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.318102][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.318236][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.318376][  T250]  ? __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)
[   11.318511][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.318645][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.318787][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.318925][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.319062][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.319197][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.319331][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.319469][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.319603][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.319739][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.319875][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.320007][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.320141][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.320278][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.320494][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.320629][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.320766][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.320899][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.321032][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.321167][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.321300][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.321502][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.321638][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.321775][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.321911][  T250]  ? 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))
[   11.322047][  T250]  ? 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))
[   11.322183][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.322318][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.322511][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.322720][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.322858][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.322993][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.323129][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.323263][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.323465][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.323629][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   11.323770][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.323903][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.324037][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   11.324169][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.324334][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.324520][  T250]  __sys_sendmsg (net/socket.c:2784)
[   11.324656][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.324795][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.324963][  T250]  ? 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)
[   11.325097][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.325232][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.325368][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.325501][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.325635][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.325806][  T250] RIP: 0033:0x7fc985b9a08e
[   11.325946][  T250] 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
[   11.326425][  T250] RSP: 002b:00007ffc08784480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.326628][  T250] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc985b9a08e
[   11.326834][  T250] RDX: 0000000000000000 RSI: 00007ffc08784530 RDI: 0000000000000005
[   11.327033][  T250] RBP: 00007ffc08784490 R08: 0000000000000000 R09: 0000000000000000
[   11.327231][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62e
[   11.327434][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc08784c00
| [   11.509497][  T255] ------------[ cut here ]------------
| [   11.509692][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/255
| [   11.509944][  T255] Modules linked in:
| [   11.510343][  T255] Tainted: [W]=WARN
[   11.510456][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.510632][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.510819][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.511311][  T255] RSP: 0018:ffa0000000b36e30 EFLAGS: 00010286
[   11.511494][  T255] RAX: 00000000ffffffa6 RBX: ff1100000ca93c40 RCX: 1ff4000000166d8c
[   11.511704][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca93cfc
[   11.511915][  T255] RBP: ff1100000f571000 R08: 1fe22000019527a1 R09: ff11000010022e80
[   11.512128][  T255] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.512337][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c74d900
[   11.512553][  T255] FS:  00007fa8294b4840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.512803][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.512978][  T255] CR2: 000000000042ebe0 CR3: 00000000096fc003 CR4: 0000000000771ef0
[   11.513187][  T255] PKRU: 55555554
[   11.513292][  T255] Call Trace:
[   11.513400][  T255]  <TASK>
[   11.513473][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.513614][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.513718][  T255]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.513900][  T255]  __dev_notify_flags (net/core/dev.c:9787)
[   11.514041][  T255]  ? netif_change_name (net/core/dev.c:1495)
[   11.514179][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.514319][  T255]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.514462][  T255]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.514601][  T255]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.514747][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.514887][  T255]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.515027][  T255]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.515165][  T255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.515304][  T255]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.515449][  T255]  veth_newlink (drivers/net/veth.c:1871)
[   11.515591][  T255]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.515733][  T255]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.515874][  T255]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.516013][  T255]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.516168][  T255]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.516304][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.516449][  T255]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.516588][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.516732][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.516873][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.517013][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.517152][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.517289][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.517437][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.517580][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.517720][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.517864][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.518003][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.518142][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.518280][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.518429][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.518568][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.518706][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.518849][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.518989][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.519128][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.519268][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.519411][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.519552][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.519690][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.519872][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.520013][  T255]  ? 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))
[   11.520147][  T255]  ? 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))
[   11.520282][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.520423][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.520568][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.520709][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.520853][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.520992][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.521132][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.521271][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.521413][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.521585][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.521731][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   11.521869][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.522007][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.522153][  T255]  ? 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))
[   11.522293][  T255]  __sys_sendmsg (net/socket.c:2784)
[   11.522435][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.522579][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.522720][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.522867][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.523007][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.523148][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.523286][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.523465][  T255] RIP: 0033:0x7fa8296ee08e
[   11.523611][  T255] 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
[   11.524107][  T255] RSP: 002b:00007ffe05915750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.524317][  T255] RAX: ffffffffffffffda RBX: 00007ffe05915ef8 RCX: 00007fa8296ee08e
[   11.524530][  T255] RDX: 0000000000000000 RSI: 00007ffe05915800 RDI: 0000000000000005
[   11.524740][  T255] RBP: 00007ffe05915760 R08: 0000000000000000 R09: 0000000000000000
[   11.524947][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62e
[   11.525154][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe05915ed0
| [   11.537323][  T255] ------------[ cut here ]------------
| [   11.537494][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/255
| [   11.537731][  T255] Modules linked in:
| [   11.538173][  T255] Tainted: [W]=WARN
[   11.538276][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.538457][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.538635][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.539128][  T255] RSP: 0018:ffa0000000b371b0 EFLAGS: 00010286
[   11.539302][  T255] RAX: 00000000ffffffa6 RBX: ff11000004d14ac0 RCX: 1ff4000000166dfc
[   11.539512][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d14b7c
[   11.539716][  T255] RBP: ff1100000e791000 R08: 1fe22000009a2971 R09: ff11000010022e80
[   11.539926][  T255] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.540130][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffada03b20
[   11.540335][  T255] FS:  00007fa8294b4840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.540578][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.540753][  T255] CR2: 000000000042ebe0 CR3: 00000000096fc003 CR4: 0000000000771ef0
[   11.540958][  T255] PKRU: 55555554
[   11.541061][  T255] Call Trace:
[   11.541162][  T255]  <TASK>
[   11.541233][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.541898][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.542011][  T255]  __dev_notify_flags (net/core/dev.c:9787)
[   11.542152][  T255]  ? netif_change_name (net/core/dev.c:1495)
[   11.542288][  T255]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.542483][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.542624][  T255]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.542823][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.542963][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.543100][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.543235][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.543435][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.543577][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.543715][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.543857][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.543997][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.544132][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.544268][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.544465][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.544604][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.544743][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.544881][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.545017][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.545153][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.545290][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.545482][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.545618][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.545759][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.545894][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.546035][  T255]  ? 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))
[   11.546170][  T255]  ? 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))
[   11.546309][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.546503][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.546640][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.546781][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.546919][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.547057][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.547196][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.547332][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.547524][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.547694][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.547838][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   11.547975][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.548111][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.548257][  T255]  ? 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))
[   11.548452][  T255]  __sys_sendmsg (net/socket.c:2784)
[   11.548589][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.548732][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.548868][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.549005][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.549142][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.549279][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.549472][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.549642][  T255] RIP: 0033:0x7fa8296ee08e
[   11.549791][  T255] 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
[   11.550274][  T255] RSP: 002b:00007ffe05915750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.550537][  T255] RAX: ffffffffffffffda RBX: 00007ffe05915ef8 RCX: 00007fa8296ee08e
[   11.550743][  T255] RDX: 0000000000000000 RSI: 00007ffe05915800 RDI: 0000000000000005
[   11.550946][  T255] RBP: 00007ffe05915760 R08: 0000000000000000 R09: 0000000000000000
[   11.551149][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62e
[   11.551410][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe05915ed0
| [   11.596535][  T256] ------------[ cut here ]------------
| [   11.596706][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/256
| [   11.596941][  T256] Modules linked in:
| [   11.597313][  T256] Tainted: [W]=WARN
[   11.597424][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.597587][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.597763][  T256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.598228][  T256] RSP: 0018:ffa0000000b46ff8 EFLAGS: 00010286
[   11.598399][  T256] RAX: 00000000ffffffa6 RBX: ff11000009608900 RCX: 1ff4000000168dc5
[   11.598594][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096089bc
[   11.598796][  T256] RBP: ff1100000f571000 R08: 1fe22000012c1139 R09: ff1100000ef4d158
[   11.598993][  T256] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.599186][  T256] R13: 0000000000000000 R14: ffa0000000b47140 R15: ff1100000c74fbd0
[   11.599388][  T256] FS:  00007f0ddbd88840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   11.599615][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.599792][  T256] CR2: 000000001242b988 CR3: 0000000009ced003 CR4: 0000000000771ef0
[   11.599988][  T256] PKRU: 55555554
[   11.600084][  T256] Call Trace:
[   11.600182][  T256]  <TASK>
[   11.600250][  T256]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   11.600389][  T256]  __dev_change_net_namespace (net/core/dev.c:12635)
[   11.600551][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.600682][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.600820][  T256]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.600982][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.601111][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.601241][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.601379][  T256]  ? 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))
[   11.601512][  T256]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.601645][  T256]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   11.601782][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.601916][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.602049][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.602210][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.602340][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.602476][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.602607][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.602744][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   11.602876][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.603010][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.603143][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.603273][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.603451][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.603582][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.603711][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.603848][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.603980][  T256]  ? __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)
[   11.604111][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.604240][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.604378][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.604509][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.604642][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.604794][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.604926][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.605055][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.605186][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.605316][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.605453][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.605587][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.605717][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.605880][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.606069][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.606272][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.606480][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.606679][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.606883][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.607082][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.607270][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.607410][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.607540][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.607671][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.607803][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.607937][  T256]  ? 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))
[   11.608068][  T256]  ? 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))
[   11.608200][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.608335][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.608473][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.608605][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.608742][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.608874][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.609008][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.609141][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.609272][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.609439][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.609572][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.609703][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.609840][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   11.609969][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.610132][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.610274][  T256]  __sys_sendmsg (net/socket.c:2784)
[   11.610411][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.610542][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.610706][  T256]  ? 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)
[   11.610842][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.610973][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.611106][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.611237][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.611372][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.611535][  T256] RIP: 0033:0x7f0ddbfc208e
[   11.611672][  T256] 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
[   11.612146][  T256] RSP: 002b:00007fff09e94f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.612343][  T256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0ddbfc208e
[   11.612544][  T256] RDX: 0000000000000000 RSI: 00007fff09e94fb0 RDI: 0000000000000005
[   11.612743][  T256] RBP: 00007fff09e94f10 R08: 0000000000000000 R09: 0000000000000000
[   11.612939][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62e
[   11.613133][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff09e95680
| [   11.615816][  T256] ------------[ cut here ]------------
| [   11.615963][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/256
| [   11.616195][  T256] Modules linked in:
| [   11.616574][  T256] Tainted: [W]=WARN
[   11.616675][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.616847][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.617021][  T256] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.617501][  T256] RSP: 0018:ffa0000000b46fc0 EFLAGS: 00010286
[   11.617697][  T256] RAX: 00000000ffffffa6 RBX: ff1100000c992200 RCX: 1ff4000000168dbe
[   11.617984][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9922bc
[   11.618184][  T256] RBP: ff1100000f571000 R08: 1fe2200001932459 R09: ff1100000ef4d158
[   11.618389][  T256] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.618588][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c74fbd0
[   11.618798][  T256] FS:  00007f0ddbd88840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   11.619031][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.619196][  T256] CR2: 000000001242b988 CR3: 0000000009ced003 CR4: 0000000000771ef0
[   11.619401][  T256] PKRU: 55555554
[   11.619501][  T256] Call Trace:
[   11.619599][  T256]  <TASK>
[   11.619669][  T256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.619808][  T256]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.619943][  T256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.620045][  T256]  __dev_change_net_namespace (net/core/dev.c:12695)
[   11.620213][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.620347][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.620487][  T256]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.620651][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.620788][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.620920][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.621053][  T256]  ? 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))
[   11.621186][  T256]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.621321][  T256]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   11.621462][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.621597][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.621737][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.621902][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.622035][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.622166][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.622300][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.622439][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   11.622572][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.622707][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.622870][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.623005][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.623140][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.623274][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.623414][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.623547][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.623682][  T256]  ? __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)
[   11.623822][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.623956][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.624093][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.624225][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.624369][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.624505][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.624641][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.624775][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.624908][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.625043][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.625176][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.625314][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.625453][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.625588][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.625722][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.625861][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.625995][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.626128][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.626260][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.626399][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.626534][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.626669][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.626806][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.626939][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.627072][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.627209][  T256]  ? 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))
[   11.627345][  T256]  ? 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))
[   11.627491][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.627625][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.627765][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.627900][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.628034][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.628168][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.628302][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.628441][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.628576][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.628742][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.628876][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.629009][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.629144][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   11.629277][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.629451][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.629597][  T256]  __sys_sendmsg (net/socket.c:2784)
[   11.629734][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.629865][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.630034][  T256]  ? 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)
[   11.630168][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.630302][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.630443][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.630577][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.630710][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.630881][  T256] RIP: 0033:0x7f0ddbfc208e
[   11.631020][  T256] 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
[   11.631499][  T256] RSP: 002b:00007fff09e94f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.631700][  T256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0ddbfc208e
[   11.631901][  T256] RDX: 0000000000000000 RSI: 00007fff09e94fb0 RDI: 0000000000000005
[   11.632098][  T256] RBP: 00007fff09e94f10 R08: 0000000000000000 R09: 0000000000000000
[   11.632298][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62e
[   11.632499][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff09e95680
| [   11.698698][  T258] ------------[ cut here ]------------
| [   11.698873][  T258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/258
| [   11.699113][  T258] Modules linked in:
| [   11.699499][  T258] Tainted: [W]=WARN
[   11.699603][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.699775][  T258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.699948][  T258] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.700426][  T258] RSP: 0018:ffa0000000b67020 EFLAGS: 00010286
[   11.700594][  T258] RAX: 00000000ffffffa6 RBX: ff11000004d1e740 RCX: 1ff400000016cdca
[   11.700798][  T258] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d1e7fc
[   11.700996][  T258] RBP: ff1100000e791000 R08: 1fe22000009a3d01 R09: ff11000009ab5158
[   11.701195][  T258] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.701396][  T258] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.701595][  T258] FS:  00007fc2bcd3e840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.701834][  T258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.702015][  T258] CR2: 0000000037efb988 CR3: 000000000e465001 CR4: 0000000000771ef0
[   11.702213][  T258] PKRU: 55555554
[   11.702312][  T258] Call Trace:
[   11.702416][  T258]  <TASK>
[   11.702485][  T258]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.702619][  T258]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.702720][  T258]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.702859][  T258]  __dev_notify_flags (net/core/dev.c:9787)
[   11.702993][  T258]  ? netif_change_name (net/core/dev.c:1495)
[   11.703126][  T258]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.703259][  T258]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.703396][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.703529][  T258]  ? 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))
[   11.703665][  T258]  netif_change_flags (net/core/dev.c:9820)
[   11.703805][  T258]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.703938][  T258]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.704073][  T258]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.704207][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.704376][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.704509][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.704641][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.704780][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.704912][  T258]  ? __kernel_text_address (kernel/extable.c:79)
[   11.705046][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.705179][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.705310][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.706024][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.706168][  T258]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.706303][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.706439][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.706571][  T258]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.706704][  T258]  ? __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)
[   11.706841][  T258]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.706973][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.707108][  T258]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.707243][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.707386][  T258]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.707521][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.707652][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.707790][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.707922][  T258]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.708053][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.708187][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.708318][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.708454][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.708588][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.708721][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.708860][  T258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.708991][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.709123][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.709252][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.709394][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.709525][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.709658][  T258]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.709794][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.709926][  T258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.710062][  T258]  ? 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))
[   11.710194][  T258]  ? 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))
[   11.710331][  T258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.710467][  T258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.710600][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.710740][  T258]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.710874][  T258]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.711009][  T258]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.711143][  T258]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.711274][  T258]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.711412][  T258]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.711575][  T258]  ? move_addr_to_kernel (net/socket.c:258)
[   11.711708][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.711848][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.711982][  T258]  ___sys_sendmsg (net/socket.c:2752)
[   11.712114][  T258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.712278][  T258]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.712429][  T258]  __sys_sendmsg (net/socket.c:2784)
[   11.712562][  T258]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.712694][  T258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.712867][  T258]  ? 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)
[   11.713002][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.713135][  T258]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.713267][  T258]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.713407][  T258]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.713539][  T258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.713702][  T258] RIP: 0033:0x7fc2bcf7808e
[   11.713846][  T258] 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
[   11.714319][  T258] RSP: 002b:00007ffccf533d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.714525][  T258] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc2bcf7808e
[   11.714723][  T258] RDX: 0000000000000000 RSI: 00007ffccf533de0 RDI: 0000000000000005
[   11.714926][  T258] RBP: 00007ffccf533d40 R08: 0000000000000000 R09: 0000000000000000
[   11.715123][  T258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62e
[   11.715322][  T258] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccf5344b0
| [   11.774168][  T260] ------------[ cut here ]------------
| [   11.774335][  T260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/260
| [   11.774585][  T260] Modules linked in:
| [   11.774980][  T260] Tainted: [W]=WARN
[   11.775084][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.775257][  T260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.775441][  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
[   11.775935][  T260] RSP: 0018:ffa0000000b871b0 EFLAGS: 00010286
[   11.776108][  T260] RAX: 00000000ffffffa6 RBX: ff1100000bd65000 RCX: 1ff4000000170dfc
[   11.776314][  T260] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd650bc
[   11.776525][  T260] RBP: ff1100000f48c000 R08: 1fe22000017aca19 R09: ff11000009ab0b80
[   11.776732][  T260] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.776938][  T260] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffada08da0
[   11.777145][  T260] FS:  00007f388980b840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.777399][  T260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.777574][  T260] CR2: 00000000004a2860 CR3: 000000000ec6d005 CR4: 0000000000771ef0
[   11.777786][  T260] PKRU: 55555554
[   11.777889][  T260] Call Trace:
[   11.777991][  T260]  <TASK>
[   11.778061][  T260]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.778200][  T260]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.778305][  T260]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   11.778451][  T260]  __dev_notify_flags (net/core/dev.c:9787)
[   11.778591][  T260]  ? netif_change_name (net/core/dev.c:1495)
[   11.778738][  T260]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   11.778877][  T260]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   11.779013][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.779149][  T260]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   11.779286][  T260]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.779510][  T260]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.779649][  T260]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   11.779789][  T260]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.779926][  T260]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.780062][  T260]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.780200][  T260]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.780343][  T260]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.780539][  T260]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.780677][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.780820][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.780961][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.781097][  T260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.781232][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.781379][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.781517][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.781654][  T260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.781796][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.781932][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.782068][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.782207][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.782343][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.782486][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.782622][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.782765][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.782905][  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))
[   11.783041][  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))
[   11.783180][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.783316][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.783459][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.783596][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.783756][  T260]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.783896][  T260]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.784035][  T260]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.784171][  T260]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.784307][  T260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.784481][  T260]  ? move_addr_to_kernel (net/socket.c:258)
[   11.784622][  T260]  ___sys_sendmsg (net/socket.c:2752)
[   11.784763][  T260]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.784906][  T260]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.785080][  T260]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.785218][  T260]  __sys_sendmsg (net/socket.c:2784)
[   11.785359][  T260]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.785499][  T260]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.785636][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.785779][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.785917][  T260]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.786056][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.786193][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.786365][  T260] RIP: 0033:0x7f3889a4508e
[   11.786508][  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
[   11.787002][  T260] RSP: 002b:00007ffddf01e040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.787208][  T260] RAX: ffffffffffffffda RBX: 00007ffddf01e7e8 RCX: 00007f3889a4508e
[   11.787418][  T260] RDX: 0000000000000000 RSI: 00007ffddf01e0f0 RDI: 0000000000000005
[   11.787621][  T260] RBP: 00007ffddf01e050 R08: 0000000000000000 R09: 0000000000000000
[   11.787829][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62e
[   11.788034][  T260] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddf01e7c0
| [   11.825761][  T261] ------------[ cut here ]------------
| [   11.825921][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/261
| [   11.826156][  T261] Modules linked in:
| [   11.826539][  T261] Tainted: [W]=WARN
[   11.826639][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.826811][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.826987][  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
[   11.827471][  T261] RSP: 0018:ffa0000000b97020 EFLAGS: 00010286
[   11.827640][  T261] RAX: 00000000ffffffa6 RBX: ff110000094bd1c0 RCX: 1ff4000000172dca
[   11.827846][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094bd27c
[   11.828045][  T261] RBP: ff1100000f48c000 R08: 1fe2200001297a51 R09: ff1100000f682e58
[   11.828245][  T261] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.828454][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.828655][  T261] FS:  00007f9ea46f9840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   11.828892][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.829058][  T261] CR2: 0000000032362988 CR3: 000000000d63f001 CR4: 0000000000771ef0
[   11.829259][  T261] PKRU: 55555554
[   11.829363][  T261] Call Trace:
[   11.829465][  T261]  <TASK>
[   11.829534][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.829670][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.829779][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.829913][  T261]  __dev_notify_flags (net/core/dev.c:9787)
[   11.830052][  T261]  ? netif_change_name (net/core/dev.c:1495)
[   11.830188][  T261]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.830322][  T261]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.830460][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.830595][  T261]  ? 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))
[   11.830735][  T261]  netif_change_flags (net/core/dev.c:9820)
[   11.830869][  T261]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.831003][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.831140][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.831275][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.831448][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.831582][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.831715][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.831853][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.831989][  T261]  ? __kernel_text_address (kernel/extable.c:79)
[   11.832125][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.832264][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.832400][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.832534][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.832669][  T261]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.832807][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.832946][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.833082][  T261]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.833218][  T261]  ? __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)
[   11.833360][  T261]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.833496][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.833631][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.833773][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.833911][  T261]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.834047][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.834181][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.834316][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.834548][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.834687][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.834828][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.834961][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.835094][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.835228][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.835429][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.835650][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.835795][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.835930][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.836065][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.836203][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.836336][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.836549][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.836688][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.836832][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.836970][  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))
[   11.837104][  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))
[   11.837238][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.837419][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.837552][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.837687][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.837831][  T261]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.837967][  T261]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.838103][  T261]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.838236][  T261]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.838374][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.838539][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   11.838676][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.838842][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.838979][  T261]  ___sys_sendmsg (net/socket.c:2752)
[   11.839113][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.839280][  T261]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.839430][  T261]  __sys_sendmsg (net/socket.c:2784)
[   11.839564][  T261]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.839697][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.839870][  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)
[   11.840006][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.840154][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.840288][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.840427][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.840560][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.840725][  T261] RIP: 0033:0x7f9ea493308e
[   11.840868][  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
[   11.841343][  T261] RSP: 002b:00007ffee2690780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.841551][  T261] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ea493308e
[   11.841757][  T261] RDX: 0000000000000000 RSI: 00007ffee2690830 RDI: 0000000000000005
[   11.841956][  T261] RBP: 00007ffee2690790 R08: 0000000000000000 R09: 0000000000000000
[   11.842153][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   11.842350][  T261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee2690f00
| [   11.934637][  T264] ------------[ cut here ]------------
| [   11.934818][  T264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/264
| [   11.935065][  T264] Modules linked in:
| [   11.935461][  T264] Tainted: [W]=WARN
[   11.935567][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.935746][  T264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.935926][  T264] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.936424][  T264] RSP: 0018:ffa0000000bc6f40 EFLAGS: 00010286
[   11.936601][  T264] RAX: 00000000ffffffa6 RBX: ff1100000bd65a80 RCX: 1ff4000000178dae
[   11.936813][  T264] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd65b3c
[   11.937037][  T264] RBP: ff1100000f571000 R08: 1fe22000017acb69 R09: ff1100000dfd8b58
[   11.937244][  T264] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.937456][  T264] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.937666][  T264] FS:  00007f1f643d0840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   11.937914][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.938088][  T264] CR2: 00007f1f646a01a0 CR3: 000000000fe85006 CR4: 0000000000771ef0
[   11.938296][  T264] PKRU: 55555554
[   11.938404][  T264] Call Trace:
[   11.938508][  T264]  <TASK>
[   11.938581][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.938721][  T264]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.938864][  T264]  notifier_call_chain (kernel/notifier.c:85)
[   11.939006][  T264]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   11.939147][  T264]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.939287][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.939434][  T264]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.939572][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.939710][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.939852][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.939993][  T264]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   11.940132][  T264]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   11.940272][  T264]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   11.940955][  T264]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.941101][  T264]  do_set_master (net/core/rtnetlink.c:3011)
[   11.941240][  T264]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.941386][  T264]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.941527][  T264]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.941667][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.941847][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.941988][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.942128][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.942265][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.942410][  T264]  ? __kernel_text_address (kernel/extable.c:79)
[   11.942550][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.942692][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.942835][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.943004][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.943141][  T264]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.943277][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.943421][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.943560][  T264]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.943700][  T264]  ? __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)
[   11.943842][  T264]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.943979][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.944118][  T264]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.944255][  T264]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.944401][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.944542][  T264]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.944682][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.944823][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.944960][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.945097][  T264]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.945236][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.945380][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.945519][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.945656][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.945798][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.945937][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.946075][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.946215][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.946357][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.946496][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.946634][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.946776][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.946914][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.947051][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.947189][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.947332][  T264]  ? 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))
[   11.947475][  T264]  ? 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))
[   11.947613][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.947757][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.947896][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.948034][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.948173][  T264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.948314][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.948460][  T264]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.948597][  T264]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.948739][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.948909][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   11.949048][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.949187][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.949327][  T264]  ___sys_sendmsg (net/socket.c:2752)
[   11.949470][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.949641][  T264]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.949794][  T264]  __sys_sendmsg (net/socket.c:2784)
[   11.949932][  T264]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.950070][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.950245][  T264]  ? 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)
[   11.950387][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.950526][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.950663][  T264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.950806][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.950944][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.951115][  T264] RIP: 0033:0x7f1f6460a08e
[   11.951259][  T264] 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
[   11.951758][  T264] RSP: 002b:00007fffb3d7a950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.951968][  T264] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1f6460a08e
[   11.952196][  T264] RDX: 0000000000000000 RSI: 00007fffb3d7aa00 RDI: 0000000000000005
[   11.952406][  T264] RBP: 00007fffb3d7a960 R08: 0000000000000000 R09: 0000000000000000
[   11.952611][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   11.952820][  T264] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb3d7b0d0
| [   12.014673][  T266] ------------[ cut here ]------------
| [   12.014853][  T266] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/266
| [   12.015091][  T266] Modules linked in:
| [   12.015921][  T266] Tainted: [W]=WARN
[   12.016032][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.016201][  T266] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.016381][  T266] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.016869][  T266] RSP: 0018:ffa0000000be7020 EFLAGS: 00010286
[   12.017037][  T266] RAX: 00000000ffffffa6 RBX: ff110000095d4c80 RCX: 1ff400000017cdca
[   12.017235][  T266] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d4d3c
[   12.017441][  T266] RBP: ff1100000f571000 R08: 1fe22000012ba9a9 R09: ff1100000dfdd158
[   12.017640][  T266] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.017843][  T266] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.018047][  T266] FS:  00007fa6dcc3e840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.018283][  T266] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.018458][  T266] CR2: 0000000001c0c988 CR3: 000000000ec95001 CR4: 0000000000771ef0
[   12.018662][  T266] PKRU: 55555554
[   12.018767][  T266] Call Trace:
[   12.018868][  T266]  <TASK>
[   12.018938][  T266]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.019076][  T266]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.019181][  T266]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.019317][  T266]  __dev_notify_flags (net/core/dev.c:9787)
[   12.019460][  T266]  ? netif_change_name (net/core/dev.c:1495)
[   12.019596][  T266]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.019735][  T266]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.019873][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.020009][  T266]  ? 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))
[   12.020147][  T266]  netif_change_flags (net/core/dev.c:9820)
[   12.020284][  T266]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.020424][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.020565][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.020701][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.020873][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.021007][  T266]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.021141][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.021276][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.021418][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   12.021553][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.021689][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.021826][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.021960][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.022094][  T266]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.022227][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.022365][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.022499][  T266]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.022634][  T266]  ? __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)
[   12.022773][  T266]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.022908][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.023044][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.023179][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.023317][  T266]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.023458][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.023592][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.023729][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.023864][  T266]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.023998][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.024134][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.024267][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.024403][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.024538][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.024672][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.024810][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.024943][  T266]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.025077][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.025208][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.025343][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.025480][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.025615][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.025755][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.025889][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.026029][  T266]  ? 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))
[   12.026163][  T266]  ? 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))
[   12.026298][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.026437][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.026572][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.026706][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.026846][  T266]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.026981][  T266]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.027116][  T266]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.027249][  T266]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.027388][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.027557][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   12.027694][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.027833][  T266]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.027968][  T266]  ___sys_sendmsg (net/socket.c:2752)
[   12.028102][  T266]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.028268][  T266]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.028420][  T266]  __sys_sendmsg (net/socket.c:2784)
[   12.028555][  T266]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.028688][  T266]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.028862][  T266]  ? 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)
[   12.028995][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.029129][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.029263][  T266]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.029400][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.029534][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.029699][  T266] RIP: 0033:0x7fa6dce7808e
[   12.029844][  T266] 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
[   12.030322][  T266] RSP: 002b:00007fff1509d800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.030529][  T266] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa6dce7808e
[   12.030733][  T266] RDX: 0000000000000000 RSI: 00007fff1509d8b0 RDI: 0000000000000005
[   12.030932][  T266] RBP: 00007fff1509d810 R08: 0000000000000000 R09: 0000000000000000
[   12.031134][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.031333][  T266] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1509df80
| [   12.041000][   T39] ------------[ cut here ]------------
| [   12.041180][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   12.042025][   T39] Modules linked in:
| [   12.042515][   T39] Tainted: [W]=WARN
[   12.042660][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.042865][   T39] Workqueue: events_unbound linkwatch_event
[   12.043080][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.043294][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.043799][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   12.044005][   T39] RAX: 00000000ffffffa6 RBX: ff110000095d5c40 RCX: 1ff4000000057f02
[   12.044250][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d5cfc
[   12.044491][   T39] RBP: ff1100000f571000 R08: 1fe22000012baba1 R09: ff11000001da51a8
[   12.044721][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.044987][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.045235][   T39] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   12.045510][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.045714][   T39] CR2: 000055acae5e0d5c CR3: 000000000fa9c001 CR4: 0000000000771ef0
[   12.045956][   T39] PKRU: 55555554
[   12.046097][   T39] Call Trace:
[   12.046238][   T39]  <TASK>
[   12.046348][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.046534][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.046708][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.046887][   T39]  netif_state_change (net/core/dev.c:1605)
[   12.047063][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.047264][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.047490][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.047662][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.047844][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.048017][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.048188][   T39]  process_one_work (kernel/workqueue.c:3314)
[   12.048380][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.048552][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.048738][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.048916][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.049089][   T39]  kthread (kernel/kthread.c:436)
[   12.049232][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.049448][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.049619][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.049801][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.050017][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.050189][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.050377][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.052637][   T39] ------------[ cut here ]------------
| [   12.052814][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   12.053106][   T39] Modules linked in:
| [   12.053599][   T39] Tainted: [W]=WARN
[   12.053746][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.053951][   T39] Workqueue: events_unbound linkwatch_event
[   12.054158][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.054447][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.054955][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   12.055157][   T39] RAX: 00000000ffffffa6 RBX: ff110000095d51c0 RCX: 1ff4000000057f02
[   12.055401][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d527c
[   12.055632][   T39] RBP: ff1100000e791000 R08: 1fe22000012baa51 R09: ff11000001da51a8
[   12.055873][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.056102][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.056333][   T39] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   12.056684][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.056899][   T39] CR2: 000055acae5e0d5c CR3: 000000000fa9c001 CR4: 0000000000771ef0
[   12.057131][   T39] PKRU: 55555554
[   12.057268][   T39] Call Trace:
[   12.057492][   T39]  <TASK>
[   12.057602][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.057785][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.057956][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.058100][   T39]  netif_state_change (net/core/dev.c:1605)
[   12.058344][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.058561][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.058738][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.058981][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.059154][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.059324][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.059508][   T39]  process_one_work (kernel/workqueue.c:3314)
[   12.059764][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.059935][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.060110][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.060286][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.060539][   T39]  kthread (kernel/kthread.c:436)
[   12.060679][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.060891][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.061065][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.061308][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.061521][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.061691][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.061868][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.218609][  T271] ------------[ cut here ]------------
| [   12.218792][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/271
| [   12.219045][  T271] Modules linked in:
| [   12.219453][  T271] Tainted: [W]=WARN
[   12.219559][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.219739][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.219922][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.220425][  T271] RSP: 0018:ffa0000000c16e30 EFLAGS: 00010286
[   12.220603][  T271] RAX: 00000000ffffffa6 RBX: ff110000094bcac0 RCX: 1ff4000000182d8c
[   12.220818][  T271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094bcb7c
[   12.221027][  T271] RBP: ff1100000e6c1000 R08: 1fe2200001297971 R09: ff1100000e4a2e80
[   12.221236][  T271] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.221452][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dee4080
[   12.221661][  T271] FS:  00007f016d2cc840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.221912][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.222091][  T271] CR2: 000000000042ebe0 CR3: 0000000009a79002 CR4: 0000000000771ef0
[   12.222306][  T271] PKRU: 55555554
[   12.222419][  T271] Call Trace:
[   12.222523][  T271]  <TASK>
[   12.222596][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.222745][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.222877][  T271]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.223057][  T271]  __dev_notify_flags (net/core/dev.c:9787)
[   12.223201][  T271]  ? netif_change_name (net/core/dev.c:1495)
[   12.223343][  T271]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.223489][  T271]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.223628][  T271]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.223772][  T271]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.223914][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.224054][  T271]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.224197][  T271]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.224336][  T271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.224481][  T271]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.224624][  T271]  veth_newlink (drivers/net/veth.c:1871)
[   12.224768][  T271]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.224906][  T271]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.225047][  T271]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.225185][  T271]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.225340][  T271]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.225484][  T271]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.225624][  T271]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.225769][  T271]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.225911][  T271]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.226053][  T271]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.226196][  T271]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.226336][  T271]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.226480][  T271]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.226626][  T271]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.226773][  T271]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.226916][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.227056][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.227197][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.227339][  T271]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.227483][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.227627][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.227771][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.227911][  T271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.228050][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.228189][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.228328][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.228472][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.228609][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.228751][  T271]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.228892][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.229030][  T271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.229172][  T271]  ? 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))
[   12.229313][  T271]  ? 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))
[   12.229458][  T271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.229599][  T271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.229744][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.229884][  T271]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.230024][  T271]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.230164][  T271]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.230307][  T271]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.230452][  T271]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.230590][  T271]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.230767][  T271]  ? move_addr_to_kernel (net/socket.c:258)
[   12.230912][  T271]  ___sys_sendmsg (net/socket.c:2752)
[   12.231050][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.231189][  T271]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.231337][  T271]  ? 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))
[   12.231483][  T271]  __sys_sendmsg (net/socket.c:2784)
[   12.231621][  T271]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.231768][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.231907][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.232047][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.232186][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.232325][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.232468][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.232642][  T271] RIP: 0033:0x7f016d50608e
[   12.232792][  T271] 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
[   12.233290][  T271] RSP: 002b:00007ffd4527a730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.233516][  T271] RAX: ffffffffffffffda RBX: 00007ffd4527aed8 RCX: 00007f016d50608e
[   12.233735][  T271] RDX: 0000000000000000 RSI: 00007ffd4527a7e0 RDI: 0000000000000005
[   12.233944][  T271] RBP: 00007ffd4527a740 R08: 0000000000000000 R09: 0000000000000000
[   12.234153][  T271] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.234365][  T271] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4527aeb0
| [   12.242106][  T271] ------------[ cut here ]------------
| [   12.242267][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/271
| [   12.243155][  T271] Modules linked in:
| [   12.243776][  T271] Tainted: [W]=WARN
[   12.243883][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.244056][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.244234][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.244789][  T271] RSP: 0018:ffa0000000c171b0 EFLAGS: 00010286
[   12.244962][  T271] RAX: 00000000ffffffa6 RBX: ff1100000de091c0 RCX: 1ff4000000182dfc
[   12.245167][  T271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de0927c
[   12.245423][  T271] RBP: ff1100000e6d1000 R08: 1fe2200001bc1251 R09: ff1100000e4a2e80
[   12.245627][  T271] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.245835][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffada03b20
[   12.246038][  T271] FS:  00007f016d2cc840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.246275][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.246506][  T271] CR2: 000000000042ebe0 CR3: 0000000009a79002 CR4: 0000000000771ef0
[   12.246712][  T271] PKRU: 55555554
[   12.246821][  T271] Call Trace:
[   12.246922][  T271]  <TASK>
[   12.246993][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.247132][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.247237][  T271]  __dev_notify_flags (net/core/dev.c:9787)
[   12.247432][  T271]  ? netif_change_name (net/core/dev.c:1495)
[   12.247571][  T271]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.247707][  T271]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.247851][  T271]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.247989][  T271]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.248128][  T271]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.248267][  T271]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.248460][  T271]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.248605][  T271]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.248751][  T271]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.248889][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.249024][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.249160][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.249296][  T271]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.249487][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.249629][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.249772][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.249907][  T271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.250040][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.250176][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.250312][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.250507][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.250644][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.250788][  T271]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.250927][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.251063][  T271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.251205][  T271]  ? 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))
[   12.251341][  T271]  ? 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))
[   12.251535][  T271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.251675][  T271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.251821][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.251959][  T271]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.252096][  T271]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.252236][  T271]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.252432][  T271]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.252569][  T271]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.252706][  T271]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.252882][  T271]  ? move_addr_to_kernel (net/socket.c:258)
[   12.253024][  T271]  ___sys_sendmsg (net/socket.c:2752)
[   12.253160][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.253296][  T271]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.253496][  T271]  ? 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))
[   12.253636][  T271]  __sys_sendmsg (net/socket.c:2784)
[   12.253779][  T271]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.253918][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.254059][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.254199][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.254335][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.254528][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.254668][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.254842][  T271] RIP: 0033:0x7f016d50608e
[   12.254986][  T271] 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
[   12.255530][  T271] RSP: 002b:00007ffd4527a730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.255738][  T271] RAX: ffffffffffffffda RBX: 00007ffd4527aed8 RCX: 00007f016d50608e
[   12.255943][  T271] RDX: 0000000000000000 RSI: 00007ffd4527a7e0 RDI: 0000000000000005
[   12.256147][  T271] RBP: 00007ffd4527a740 R08: 0000000000000000 R09: 0000000000000000
[   12.256408][  T271] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.256611][  T271] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4527aeb0
| [   12.302528][  T272] ------------[ cut here ]------------
| [   12.302687][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/272
| [   12.302927][  T272] Modules linked in:
| [   12.303302][  T272] Tainted: [W]=WARN
[   12.303411][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.303579][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.303755][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.304224][  T272] RSP: 0018:ffa0000000c16ff8 EFLAGS: 00010286
[   12.304395][  T272] RAX: 00000000ffffffa6 RBX: ff1100000fa41000 RCX: 1ff4000000182dc5
[   12.304592][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa410bc
[   12.304802][  T272] RBP: ff1100000e6c1000 R08: 1fe2200001f48219 R09: ff11000009c70b58
[   12.304999][  T272] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.305198][  T272] R13: 0000000000000000 R14: ffa0000000c17140 R15: ff11000005870050
[   12.305399][  T272] FS:  00007ff97072a840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.305627][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.305797][  T272] CR2: 000000000042ebe0 CR3: 000000000fd60003 CR4: 0000000000771ef0
[   12.305997][  T272] PKRU: 55555554
[   12.306096][  T272] Call Trace:
[   12.306194][  T272]  <TASK>
[   12.306262][  T272]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   12.306399][  T272]  __dev_change_net_namespace (net/core/dev.c:12635)
[   12.306564][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.306695][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.306835][  T272]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.307001][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.307131][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.307265][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.307400][  T272]  ? 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))
[   12.307532][  T272]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.307664][  T272]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   12.307805][  T272]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.307938][  T272]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.308069][  T272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.308231][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.308366][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.308497][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.308626][  T272]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.308766][  T272]  ? __kernel_text_address (kernel/extable.c:79)
[   12.308897][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.309030][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.309160][  T272]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.309291][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.309428][  T272]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.309557][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.309688][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.309828][  T272]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.309960][  T272]  ? __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)
[   12.310090][  T272]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.310220][  T272]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.310358][  T272]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.310488][  T272]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.310621][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.310766][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.310899][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.311027][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.311156][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.311286][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.311421][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.311554][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.311684][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.311824][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.311955][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.312084][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.312213][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.312344][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.312479][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.312607][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.312743][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.312874][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.313005][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.313135][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.313265][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.313402][  T272]  ? 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))
[   12.313532][  T272]  ? 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))
[   12.313662][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.313800][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.313930][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.314062][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.314193][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.314324][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.314461][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.314590][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.314721][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.314887][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   12.315017][  T272]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.315147][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.315279][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   12.315414][  T272]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.315575][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.315717][  T272]  __sys_sendmsg (net/socket.c:2784)
[   12.315855][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.315985][  T272]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.316147][  T272]  ? 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)
[   12.316278][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.316414][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.316544][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.316674][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.316809][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.316970][  T272] RIP: 0033:0x7ff97096408e
[   12.317106][  T272] 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
[   12.317575][  T272] RSP: 002b:00007ffdc7f60b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.317776][  T272] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff97096408e
[   12.317972][  T272] RDX: 0000000000000000 RSI: 00007ffdc7f60bf0 RDI: 0000000000000005
[   12.318166][  T272] RBP: 00007ffdc7f60b50 R08: 0000000000000000 R09: 0000000000000000
[   12.318365][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.318564][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc7f612c0
| [   12.321165][  T272] ------------[ cut here ]------------
| [   12.321310][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/272
| [   12.321543][  T272] Modules linked in:
| [   12.321919][  T272] Tainted: [W]=WARN
[   12.322017][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.322184][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.322359][  T272] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.322833][  T272] RSP: 0018:ffa0000000c16fc0 EFLAGS: 00010286
[   12.322997][  T272] RAX: 00000000ffffffa6 RBX: ff1100000fa40200 RCX: 1ff4000000182dbe
[   12.323193][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa402bc
[   12.323392][  T272] RBP: ff1100000e6c1000 R08: 1fe2200001f48059 R09: ff11000009c70b58
[   12.323590][  T272] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.323796][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005870050
[   12.323994][  T272] FS:  00007ff97072a840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.324227][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.324398][  T272] CR2: 000000000042ebe0 CR3: 000000000fd60003 CR4: 0000000000771ef0
[   12.324597][  T272] PKRU: 55555554
[   12.324695][  T272] Call Trace:
[   12.324803][  T272]  <TASK>
[   12.324872][  T272]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.325006][  T272]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.325140][  T272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.325240][  T272]  __dev_change_net_namespace (net/core/dev.c:12695)
[   12.325412][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.325544][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.325678][  T272]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.325850][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.325981][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.326113][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.326247][  T272]  ? 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))
[   12.326385][  T272]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.326518][  T272]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   12.326652][  T272]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.326796][  T272]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.326930][  T272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.327097][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.327230][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.327366][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.327499][  T272]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.327633][  T272]  ? __kernel_text_address (kernel/extable.c:79)
[   12.327771][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.327905][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.328036][  T272]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.328169][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.328301][  T272]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.328437][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.328569][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.328704][  T272]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.328841][  T272]  ? __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)
[   12.328974][  T272]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.329107][  T272]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.329243][  T272]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.329380][  T272]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.329514][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.329650][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.329790][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.329921][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.330053][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.330184][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.330313][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.330452][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.330584][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.330718][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.330855][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.330988][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.331121][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.331252][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.331389][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.331520][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.331655][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.331792][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.331925][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.332056][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.332186][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.332321][  T272]  ? 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))
[   12.332456][  T272]  ? 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))
[   12.332590][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.332724][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.332864][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.332996][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.333128][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.333261][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.333399][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.333530][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.333661][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.333829][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   12.333962][  T272]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.334092][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.334226][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   12.334361][  T272]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.334525][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.334668][  T272]  __sys_sendmsg (net/socket.c:2784)
[   12.334807][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.334938][  T272]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.335104][  T272]  ? 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)
[   12.335235][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.335372][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.335503][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.335634][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.335771][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.335934][  T272] RIP: 0033:0x7ff97096408e
[   12.336072][  T272] 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
[   12.336549][  T272] RSP: 002b:00007ffdc7f60b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.336754][  T272] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff97096408e
[   12.336952][  T272] RDX: 0000000000000000 RSI: 00007ffdc7f60bf0 RDI: 0000000000000005
[   12.337150][  T272] RBP: 00007ffdc7f60b50 R08: 0000000000000000 R09: 0000000000000000
[   12.337347][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.337548][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc7f612c0
| [   12.387346][  T274] ------------[ cut here ]------------
| [   12.387520][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/274
| [   12.387766][  T274] Modules linked in:
| [   12.388141][  T274] Tainted: [W]=WARN
[   12.388242][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.389082][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.389263][  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
[   12.389747][  T274] RSP: 0018:ffa0000000c37020 EFLAGS: 00010286
[   12.389915][  T274] RAX: 00000000ffffffa6 RBX: ff1100000c5f8900 RCX: 1ff4000000186dca
[   12.390113][  T274] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f89bc
[   12.390311][  T274] RBP: ff1100000e6d1000 R08: 1fe22000018bf139 R09: ff1100000eeed158
[   12.390516][  T274] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.390715][  T274] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.390922][  T274] FS:  00007fd58674d840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   12.391155][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.391323][  T274] CR2: 000000000da6b988 CR3: 000000000fd60004 CR4: 0000000000771ef0
[   12.391530][  T274] PKRU: 55555554
[   12.391630][  T274] Call Trace:
[   12.391736][  T274]  <TASK>
[   12.391807][  T274]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.391944][  T274]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.392047][  T274]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.392180][  T274]  __dev_notify_flags (net/core/dev.c:9787)
[   12.392316][  T274]  ? netif_change_name (net/core/dev.c:1495)
[   12.392457][  T274]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.392592][  T274]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.392726][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.392870][  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))
[   12.393006][  T274]  netif_change_flags (net/core/dev.c:9820)
[   12.393140][  T274]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.393274][  T274]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.393425][  T274]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.393561][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.393739][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.393872][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.394006][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.394138][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.394273][  T274]  ? __kernel_text_address (kernel/extable.c:79)
[   12.394414][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.394552][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.394687][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.394828][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.394963][  T274]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.395094][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.395227][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.395366][  T274]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.395500][  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)
[   12.395634][  T274]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.395773][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.395907][  T274]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.396044][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.396182][  T274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.396317][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.396455][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.396589][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.396723][  T274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.396861][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.396998][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.397131][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.397264][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.397404][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.397539][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.397673][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.397813][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.397947][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.398080][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.398216][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.398357][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.398513][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.398648][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.398788][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.398930][  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))
[   12.399064][  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))
[   12.399200][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.399335][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.399476][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.399612][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.399754][  T274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.399889][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.400028][  T274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.400163][  T274]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.400297][  T274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.400468][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   12.400604][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.400742][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.400878][  T274]  ___sys_sendmsg (net/socket.c:2752)
[   12.401012][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.401179][  T274]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.401326][  T274]  __sys_sendmsg (net/socket.c:2784)
[   12.401464][  T274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.401597][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.401770][  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)
[   12.401905][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.402042][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.402177][  T274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.402311][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.402449][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.402616][  T274] RIP: 0033:0x7fd58698708e
[   12.402762][  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
[   12.403238][  T274] RSP: 002b:00007ffeac1c0480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.403448][  T274] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd58698708e
[   12.403651][  T274] RDX: 0000000000000000 RSI: 00007ffeac1c0530 RDI: 0000000000000005
[   12.403859][  T274] RBP: 00007ffeac1c0490 R08: 0000000000000000 R09: 0000000000000000
[   12.404059][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.404259][  T274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeac1c0c00
| [   12.468540][  T276] ------------[ cut here ]------------
| [   12.468710][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/276
| [   12.468964][  T276] Modules linked in:
| [   12.469359][  T276] Tainted: [W]=WARN
[   12.469464][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.469637][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.469833][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.470330][  T276] RSP: 0018:ffa0000000c571b0 EFLAGS: 00010286
[   12.471051][  T276] RAX: 00000000ffffffa6 RBX: ff1100000fa72900 RCX: 1ff400000018adfc
[   12.471271][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa729bc
[   12.471562][  T276] RBP: ff11000008bb9000 R08: 1fe2200001f4e539 R09: ff1100000dd1d180
[   12.471774][  T276] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.471982][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffada08da0
[   12.472192][  T276] FS:  00007f960eca1840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.472503][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.472753][  T276] CR2: 00000000004a2860 CR3: 000000000fcb9003 CR4: 0000000000771ef0
[   12.472965][  T276] PKRU: 55555554
[   12.473068][  T276] Call Trace:
[   12.473173][  T276]  <TASK>
[   12.473246][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.473466][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.473572][  T276]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   12.473714][  T276]  __dev_notify_flags (net/core/dev.c:9787)
[   12.473860][  T276]  ? netif_change_name (net/core/dev.c:1495)
[   12.474000][  T276]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   12.474143][  T276]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   12.474284][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.474501][  T276]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   12.474640][  T276]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.474782][  T276]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.474921][  T276]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   12.475060][  T276]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.475200][  T276]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.475339][  T276]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.475570][  T276]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.475716][  T276]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.475866][  T276]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.476006][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.476144][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.476282][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.476510][  T276]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.476649][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.476801][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.476943][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.477082][  T276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.477221][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.477409][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.477546][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.477686][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.477830][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.477969][  T276]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.478110][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.478252][  T276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.478399][  T276]  ? 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))
[   12.478536][  T276]  ? 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))
[   12.478675][  T276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.478821][  T276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.478960][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.479101][  T276]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.479241][  T276]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.479386][  T276]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.479528][  T276]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.479667][  T276]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.479809][  T276]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.479979][  T276]  ? move_addr_to_kernel (net/socket.c:258)
[   12.480122][  T276]  ___sys_sendmsg (net/socket.c:2752)
[   12.480263][  T276]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.480410][  T276]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.480586][  T276]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.480732][  T276]  __sys_sendmsg (net/socket.c:2784)
[   12.480871][  T276]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.481015][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.481156][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.481297][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.481440][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.481577][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.481753][  T276] RIP: 0033:0x7f960eedb08e
[   12.481898][  T276] 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
[   12.482399][  T276] RSP: 002b:00007fffa5ebf8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.482609][  T276] RAX: ffffffffffffffda RBX: 00007fffa5ec0098 RCX: 00007f960eedb08e
[   12.482819][  T276] RDX: 0000000000000000 RSI: 00007fffa5ebf9a0 RDI: 0000000000000005
[   12.483024][  T276] RBP: 00007fffa5ebf900 R08: 0000000000000000 R09: 0000000000000000
[   12.483232][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.483442][  T276] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa5ec0070
| [   12.525211][  T277] ------------[ cut here ]------------
| [   12.525384][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/277
| [   12.525623][  T277] Modules linked in:
| [   12.526018][  T277] Tainted: [W]=WARN
[   12.526119][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.526292][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.526853][  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
[   12.527341][  T277] RSP: 0018:ffa0000000c67020 EFLAGS: 00010286
[   12.527518][  T277] RAX: 00000000ffffffa6 RBX: ff1100000fa73700 RCX: 1ff400000018cdca
[   12.527718][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa737bc
[   12.527923][  T277] RBP: ff11000008bb9000 R08: 1fe2200001f4e6f9 R09: ff1100000dd1ae58
[   12.528126][  T277] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.528325][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.528533][  T277] FS:  00007f279784b840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   12.528777][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.528945][  T277] CR2: 0000000003671988 CR3: 000000000fd60001 CR4: 0000000000771ef0
[   12.529148][  T277] PKRU: 55555554
[   12.529248][  T277] Call Trace:
[   12.529347][  T277]  <TASK>
[   12.529423][  T277]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.529560][  T277]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.529665][  T277]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.529827][  T277]  __dev_notify_flags (net/core/dev.c:9787)
[   12.529962][  T277]  ? netif_change_name (net/core/dev.c:1495)
[   12.530097][  T277]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.530233][  T277]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.530375][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.530530][  T277]  ? 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))
[   12.530722][  T277]  netif_change_flags (net/core/dev.c:9820)
[   12.530912][  T277]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.531108][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.531307][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.531526][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.531744][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.531884][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.532020][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.532155][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.532292][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   12.532435][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.532571][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.532704][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.532845][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.532980][  T277]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.533113][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.533248][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.533388][  T277]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.533522][  T277]  ? __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)
[   12.533659][  T277]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.533800][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.533938][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.534080][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.534219][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.534363][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.534497][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.534632][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.534775][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.534910][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.535047][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.535181][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.535315][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.535456][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.535591][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.535725][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.535867][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.536000][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.536136][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.536271][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.536411][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.536546][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.536680][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.536820][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.536957][  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))
[   12.537090][  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))
[   12.537226][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.537367][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.537504][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.537641][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.537784][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.537921][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.538057][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.538192][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.538328][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.538499][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   12.538634][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.538781][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.538918][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   12.539051][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.539220][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.539373][  T277]  __sys_sendmsg (net/socket.c:2784)
[   12.539510][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.539644][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.539823][  T277]  ? 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)
[   12.539959][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.540095][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.540232][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.540370][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.540505][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.540673][  T277] RIP: 0033:0x7f2797a8508e
[   12.540819][  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
[   12.541299][  T277] RSP: 002b:00007ffe7cc75520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.541507][  T277] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2797a8508e
[   12.541709][  T277] RDX: 0000000000000000 RSI: 00007ffe7cc755d0 RDI: 0000000000000005
[   12.541967][  T277] RBP: 00007ffe7cc75530 R08: 0000000000000000 R09: 0000000000000000
[   12.542209][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.542417][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7cc75ca0
| [   12.640145][  T280] ------------[ cut here ]------------
| [   12.640315][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/280
| [   12.640567][  T280] Modules linked in:
| [   12.640969][  T280] Tainted: [W]=WARN
[   12.641074][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.641246][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.641434][  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
[   12.641933][  T280] RSP: 0018:ffa0000000c96f40 EFLAGS: 00010286
[   12.642106][  T280] RAX: 00000000ffffffa6 RBX: ff1100000c5f83c0 RCX: 1ff4000000192dae
[   12.642312][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f847c
[   12.642523][  T280] RBP: ff1100000e6c1000 R08: 1fe22000018bf091 R09: ff1100000fcf5158
[   12.642731][  T280] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.642938][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.643143][  T280] FS:  00007f9055d5d840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   12.643537][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.643711][  T280] CR2: 0000000006bf1988 CR3: 0000000009c4f006 CR4: 0000000000771ef0
[   12.643924][  T280] PKRU: 55555554
[   12.644026][  T280] Call Trace:
[   12.644128][  T280]  <TASK>
[   12.644199][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.644337][  T280]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.644481][  T280]  notifier_call_chain (kernel/notifier.c:85)
[   12.644620][  T280]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.644763][  T280]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.644901][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.645039][  T280]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.645173][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.645309][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.645450][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.645589][  T280]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   12.645725][  T280]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   12.645869][  T280]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   12.646009][  T280]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.646145][  T280]  do_set_master (net/core/rtnetlink.c:3011)
[   12.646281][  T280]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.646425][  T280]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.646564][  T280]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.646701][  T280]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.646872][  T280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.647008][  T280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.647144][  T280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.647280][  T280]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.647423][  T280]  ? __kernel_text_address (kernel/extable.c:79)
[   12.647560][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.647698][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.647837][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.647975][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.648111][  T280]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.648246][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.648389][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.648525][  T280]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.648662][  T280]  ? __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)
[   12.648803][  T280]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.648939][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.649079][  T280]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.649214][  T280]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.649359][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.649499][  T280]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.649638][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.649778][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.649915][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.650049][  T280]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.650185][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.650324][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.650466][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.650602][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.650744][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.650881][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.651018][  T280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.651156][  T280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.651291][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.651434][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.651573][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.651707][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.651846][  T280]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.651982][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.652151][  T280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.652293][  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))
[   12.652434][  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))
[   12.652573][  T280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.652709][  T280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.652850][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.652988][  T280]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.653125][  T280]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.653262][  T280]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.653406][  T280]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.653543][  T280]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.653678][  T280]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.653850][  T280]  ? move_addr_to_kernel (net/socket.c:258)
[   12.653988][  T280]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.654124][  T280]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.654262][  T280]  ___sys_sendmsg (net/socket.c:2752)
[   12.654403][  T280]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.654572][  T280]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.654720][  T280]  __sys_sendmsg (net/socket.c:2784)
[   12.654859][  T280]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.654995][  T280]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.655166][  T280]  ? 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)
[   12.655304][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.655447][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.655583][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.655720][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.655860][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.656029][  T280] RIP: 0033:0x7f9055f9708e
[   12.656172][  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
[   12.656666][  T280] RSP: 002b:00007ffd14fd4dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.656876][  T280] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9055f9708e
[   12.657081][  T280] RDX: 0000000000000000 RSI: 00007ffd14fd4e70 RDI: 0000000000000005
[   12.657301][  T280] RBP: 00007ffd14fd4dd0 R08: 0000000000000000 R09: 0000000000000000
[   12.657513][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.657717][  T280] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd14fd5540
| [   12.708761][  T282] ------------[ cut here ]------------
| [   12.708922][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/282
| [   12.709156][  T282] Modules linked in:
| [   12.709544][  T282] Tainted: [W]=WARN
[   12.709645][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.709818][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.709997][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.710480][  T282] RSP: 0018:ffa0000000ca7020 EFLAGS: 00010286
[   12.710654][  T282] RAX: 00000000ffffffa6 RBX: ff1100000b4c1c40 RCX: 1ff4000000194dca
[   12.710861][  T282] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4c1cfc
[   12.711059][  T282] RBP: ff1100000e6c1000 R08: 1fe22000016983a1 R09: ff110000021d2e58
[   12.711258][  T282] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.711463][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.711662][  T282] FS:  00007fa6bd1ab840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.711902][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.712070][  T282] CR2: 000000003641e988 CR3: 000000000ec1d004 CR4: 0000000000771ef0
[   12.712273][  T282] PKRU: 55555554
[   12.712378][  T282] Call Trace:
[   12.712477][  T282]  <TASK>
[   12.712546][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.712681][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.712790][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.712923][  T282]  __dev_notify_flags (net/core/dev.c:9787)
[   12.713059][  T282]  ? netif_change_name (net/core/dev.c:1495)
[   12.713193][  T282]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.713326][  T282]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.713462][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.713597][  T282]  ? 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))
[   12.713739][  T282]  netif_change_flags (net/core/dev.c:9820)
[   12.713874][  T282]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.714009][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.714145][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.714279][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.714449][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.714582][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.714717][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.714858][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.714992][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   12.715125][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.715260][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.715455][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.715644][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.715816][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.715951][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.716085][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.716218][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.716420][  T282]  ? __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)
[   12.716555][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.716690][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.716833][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.716971][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.717108][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.717245][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.717464][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.717598][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.717735][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.717870][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.718004][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.718136][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.718268][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.718488][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.718621][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.718759][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.718892][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.719027][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.719159][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.719294][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.719501][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.719635][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.719773][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.719906][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.720041][  T282]  ? 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))
[   12.720173][  T282]  ? 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))
[   12.720308][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.720529][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.720663][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.720800][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.720934][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.721068][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.721204][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.721338][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.721546][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.721711][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.721849][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.721983][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.722118][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   12.722251][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.722464][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.722610][  T282]  __sys_sendmsg (net/socket.c:2784)
[   12.722750][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.722883][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.723053][  T282]  ? 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)
[   12.723188][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.723323][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.723463][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.723596][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.723732][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.723900][  T282] RIP: 0033:0x7fa6bd3e508e
[   12.724039][  T282] 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
[   12.724517][  T282] RSP: 002b:00007ffcd235e230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.724721][  T282] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa6bd3e508e
[   12.724923][  T282] RDX: 0000000000000000 RSI: 00007ffcd235e2e0 RDI: 0000000000000005
[   12.725121][  T282] RBP: 00007ffcd235e240 R08: 0000000000000000 R09: 0000000000000000
[   12.725319][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e62f
[   12.725522][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd235e9b0
| [   12.735119][   T39] ------------[ cut here ]------------
| [   12.735264][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   12.735523][   T39] Modules linked in:
| [   12.735914][   T39] Tainted: [W]=WARN
[   12.736009][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.736167][   T39] Workqueue: events_unbound linkwatch_event
[   12.736330][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.736494][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.736938][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   12.737095][   T39] RAX: 00000000ffffffa6 RBX: ff1100000de3cac0 RCX: 1ff4000000057f02
[   12.737281][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3cb7c
[   12.737481][   T39] RBP: ff1100000e6c1000 R08: 1fe2200001bc7971 R09: ff11000001da51a8
[   12.737663][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.737858][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.738044][   T39] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.738259][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.738425][   T39] CR2: 000000003641e988 CR3: 000000001914d002 CR4: 0000000000771ef0
[   12.738611][   T39] PKRU: 55555554
[   12.738703][   T39] Call Trace:
[   12.738801][   T39]  <TASK>
[   12.738870][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.738993][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.739115][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.739210][   T39]  netif_state_change (net/core/dev.c:1605)
[   12.739334][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.739514][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.739640][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.739769][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.739900][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.740022][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.740145][   T39]  process_one_work (kernel/workqueue.c:3314)
[   12.740273][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.740399][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.740526][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.740653][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.740779][   T39]  kthread (kernel/kthread.c:436)
[   12.740872][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.741025][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.741149][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.741276][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.741434][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.741560][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.741684][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.743633][   T39] ------------[ cut here ]------------
| [   12.743767][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   12.744022][   T39] Modules linked in:
| [   12.744399][   T39] Tainted: [W]=WARN
[   12.744493][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.744647][   T39] Workqueue: events_unbound linkwatch_event
[   12.744807][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.744966][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.745463][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   12.745619][   T39] RAX: 00000000ffffffa6 RBX: ff1100000de3d380 RCX: 1ff4000000057f02
[   12.745806][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3d43c
[   12.745989][   T39] RBP: ff1100000e6d1000 R08: 1fe2200001bc7a89 R09: ff11000001da51a8
[   12.746171][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   12.746403][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.746589][   T39] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.746811][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.746963][   T39] CR2: 000000003641e988 CR3: 000000001914d002 CR4: 0000000000771ef0
[   12.747145][   T39] PKRU: 55555554
[   12.747237][   T39] Call Trace:
[   12.747327][   T39]  <TASK>
[   12.747439][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.747609][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.747736][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.747831][   T39]  netif_state_change (net/core/dev.c:1605)
[   12.747954][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.748107][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.748229][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.748395][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.748520][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.748641][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.748768][   T39]  process_one_work (kernel/workqueue.c:3314)
[   12.748894][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.749016][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.749144][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.749270][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.749439][   T39]  kthread (kernel/kthread.c:436)
[   12.749532][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.749683][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.749809][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.749932][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.750087][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.750210][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.750332][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.869944][  T286] ------------[ cut here ]------------
| [   12.870115][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/286
| [   12.870366][  T286] Modules linked in:
| [   12.870759][  T286] Tainted: [W]=WARN
[   12.870862][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.871034][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.871211][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.871703][  T286] RSP: 0018:ffa0000000ce7a80 EFLAGS: 00010286
[   12.871879][  T286] RAX: 00000000ffffffa6 RBX: ff1100000df75c40 RCX: 1ff400000019cf16
[   12.872085][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df75cfc
[   12.872287][  T286] RBP: ff110000089ac000 R08: 1fe2200001beeba1 R09: ff1100000f98ae80
[   12.872516][  T286] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.872816][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089ac000
[   12.873118][  T286] FS:  00007f080a214840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   12.873650][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.873918][  T286] CR2: 00007f080a420690 CR3: 000000000ec56001 CR4: 0000000000771ef0
[   12.874223][  T286] PKRU: 55555554
[   12.874387][  T286] Call Trace:
[   12.874530][  T286]  <TASK>
[   12.874603][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.874805][  T286]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.874971][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.875075][  T286]  register_netdevice (net/core/dev.c:11488)
[   12.875212][  T286]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.875391][  T286]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.875529][  T286]  register_netdev (net/core/dev.c:11552)
[   12.875712][  T286]  loopback_net_init (drivers/net/loopback.c:218)
[   12.875922][  T286]  ops_init (net/core/net_namespace.c:137)
[   12.876032][  T286]  setup_net (net/core/net_namespace.c:446)
[   12.876141][  T286]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.876276][  T286]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.876422][  T286]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.876561][  T286]  copy_net_ns (net/core/net_namespace.c:579)
[   12.876697][  T286]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.876850][  T286]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.877037][  T286]  ksys_unshare (kernel/fork.c:3243)
[   12.877173][  T286]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.877361][  T286]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.877540][  T286]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.877680][  T286]  ? __ia32_sys_open (fs/open.c:1374)
[   12.877820][  T286]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.877953][  T286]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.878090][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.878253][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.878447][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.878582][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.878755][  T286] RIP: 0033:0x7f080a4d6bcb
[   12.878900][  T286] 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
[   12.879471][  T286] RSP: 002b:00007fffe13beea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.879676][  T286] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f080a4d6bcb
[   12.879882][  T286] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.880083][  T286] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.880304][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffe13c10d0
[   12.880582][  T286] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe13c2869
| [   12.895984][  T286] ------------[ cut here ]------------
| [   12.896151][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/286
| [   12.896393][  T286] Modules linked in:
| [   12.896783][  T286] Tainted: [W]=WARN
[   12.896886][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.897056][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.897231][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.897717][  T286] RSP: 0018:ffa0000000ce7918 EFLAGS: 00010286
[   12.897891][  T286] RAX: 00000000ffffffa6 RBX: ff1100000b5fdc40 RCX: 1ff400000019cee9
[   12.898089][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5fdcfc
[   12.898290][  T286] RBP: ff11000011d2c000 R08: 1fe22000016bfba1 R09: ff1100000f98ae80
[   12.898497][  T286] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.898698][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011d2c000
[   12.898907][  T286] FS:  00007f080a214840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.899143][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.899314][  T286] CR2: 00007fbc78b63f98 CR3: 000000000ec56006 CR4: 0000000000771ef0
[   12.899524][  T286] PKRU: 55555554
[   12.899624][  T286] Call Trace:
[   12.899725][  T286]  <TASK>
[   12.899800][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.899936][  T286]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.900071][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.900176][  T286]  register_netdevice (net/core/dev.c:11488)
[   12.900314][  T286]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.900490][  T286]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.900628][  T286]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.900769][  T286]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.900904][  T286]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.901040][  T286]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.901177][  T286]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.901314][  T286]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   12.901455][  T286]  ops_init (net/core/net_namespace.c:137)
[   12.901558][  T286]  setup_net (net/core/net_namespace.c:446)
[   12.901660][  T286]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.901798][  T286]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.901932][  T286]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.902070][  T286]  copy_net_ns (net/core/net_namespace.c:579)
[   12.902207][  T286]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.902345][  T286]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.902509][  T286]  ksys_unshare (kernel/fork.c:3243)
[   12.902646][  T286]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.902784][  T286]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.902919][  T286]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.903056][  T286]  ? __ia32_sys_open (fs/open.c:1374)
[   12.903192][  T286]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.903325][  T286]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.903464][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.903597][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.903734][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.903869][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.904037][  T286] RIP: 0033:0x7f080a4d6bcb
[   12.904181][  T286] 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
[   12.904662][  T286] RSP: 002b:00007fffe13beea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.904870][  T286] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f080a4d6bcb
[   12.905073][  T286] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.905274][  T286] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.905480][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffe13c10d0
[   12.905680][  T286] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe13c2869
| [   12.910075][  T286] ------------[ cut here ]------------
| [   12.910230][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/286
| [   12.910473][  T286] Modules linked in:
| [   12.910863][  T286] Tainted: [W]=WARN
[   12.910966][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.911137][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.911314][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.911812][  T286] RSP: 0018:ffa0000000ce78f8 EFLAGS: 00010286
[   12.911983][  T286] RAX: 00000000ffffffa6 RBX: ff1100000c2243c0 RCX: 1ff400000019cee5
[   12.912186][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c22447c
[   12.912394][  T286] RBP: ff11000011d44000 R08: 1fe2200001844891 R09: ff1100000f98ae80
[   12.912598][  T286] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.912805][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011d44000
[   12.913011][  T286] FS:  00007f080a214840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.913250][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.913426][  T286] CR2: 00007fbc78b63f98 CR3: 000000000ec56006 CR4: 0000000000771ef0
[   12.913633][  T286] PKRU: 55555554
[   12.913740][  T286] Call Trace:
[   12.913845][  T286]  <TASK>
[   12.913917][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.914054][  T286]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.914191][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.914296][  T286]  register_netdevice (net/core/dev.c:11488)
[   12.914438][  T286]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.914609][  T286]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.914751][  T286]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.914890][  T286]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.915026][  T286]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.915165][  T286]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.915302][  T286]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.915445][  T286]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   12.915582][  T286]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.915720][  T286]  vti_init_net (net/ipv4/ip_vti.c:517)
[   12.915862][  T286]  ops_init (net/core/net_namespace.c:137)
[   12.915968][  T286]  setup_net (net/core/net_namespace.c:446)
[   12.916073][  T286]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.916211][  T286]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.916349][  T286]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.916492][  T286]  copy_net_ns (net/core/net_namespace.c:579)
[   12.916630][  T286]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.916775][  T286]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.916912][  T286]  ksys_unshare (kernel/fork.c:3243)
[   12.917049][  T286]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.917186][  T286]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.917323][  T286]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.917468][  T286]  ? __ia32_sys_open (fs/open.c:1374)
[   12.917607][  T286]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.917747][  T286]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.917885][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.918021][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.918157][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.918296][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.918469][  T286] RIP: 0033:0x7f080a4d6bcb
[   12.918613][  T286] 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
[   12.919101][  T286] RSP: 002b:00007fffe13beea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.919309][  T286] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f080a4d6bcb
[   12.919518][  T286] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.919722][  T286] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.919930][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffe13c10d0
[   12.920135][  T286] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe13c2869
| [   12.924316][  T286] ------------[ cut here ]------------
| [   12.924470][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/286
| [   12.924706][  T286] Modules linked in:
| [   12.925091][  T286] Tainted: [W]=WARN
[   12.925193][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.925366][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.925541][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.926025][  T286] RSP: 0018:ffa0000000ce7a78 EFLAGS: 00010286
[   12.926196][  T286] RAX: 00000000ffffffa6 RBX: ff110000101a3540 RCX: 1ff400000019cf15
[   12.926401][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101a35fc
[   12.926606][  T286] RBP: ff11000009b19000 R08: 1fe22000020346c1 R09: ff1100000f98ae80
[   12.926812][  T286] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.927015][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b19000
[   12.927221][  T286] FS:  00007f080a214840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   12.927464][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.927634][  T286] CR2: 00007fbc78b63f98 CR3: 000000000ec56006 CR4: 0000000000771ef0
[   12.927841][  T286] PKRU: 55555554
[   12.927942][  T286] Call Trace:
[   12.928043][  T286]  <TASK>
[   12.928114][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.928250][  T286]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.928391][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.928495][  T286]  register_netdevice (net/core/dev.c:11488)
[   12.928634][  T286]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.928806][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.928943][  T286]  register_netdev (net/core/dev.c:11552)
[   12.929083][  T286]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   12.929223][  T286]  ops_init (net/core/net_namespace.c:137)
[   12.929327][  T286]  setup_net (net/core/net_namespace.c:446)
[   12.929432][  T286]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.929567][  T286]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.929703][  T286]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.929843][  T286]  copy_net_ns (net/core/net_namespace.c:579)
[   12.929980][  T286]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.930118][  T286]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.930254][  T286]  ksys_unshare (kernel/fork.c:3243)
[   12.930395][  T286]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.930532][  T286]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.930667][  T286]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.930808][  T286]  ? __ia32_sys_open (fs/open.c:1374)
[   12.930947][  T286]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.931080][  T286]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.931215][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.931348][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.931488][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.931625][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.931797][  T286] RIP: 0033:0x7f080a4d6bcb
[   12.931938][  T286] 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
[   12.932426][  T286] RSP: 002b:00007fffe13beea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.932632][  T286] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f080a4d6bcb
[   12.932840][  T286] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.933044][  T286] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.933243][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffe13c10d0
[   12.933450][  T286] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe13c2869
| [   12.938839][  T286] ------------[ cut here ]------------
| [   12.938997][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/286
| [   12.939235][  T286] Modules linked in:
| [   12.939624][  T286] Tainted: [W]=WARN
[   12.939733][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.939903][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.940078][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.940571][  T286] RSP: 0018:ffa0000000ce7a68 EFLAGS: 00010286
[   12.940747][  T286] RAX: 00000000ffffffa6 RBX: ff110000095d3380 RCX: 1ff400000019cf13
[   12.940950][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d343c
[   12.941153][  T286] RBP: ff11000009aac000 R08: 1fe22000012ba689 R09: ff1100000f98ae80
[   12.941365][  T286] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.941568][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009aac000
[   12.941778][  T286] FS:  00007f080a214840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   12.942016][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.942188][  T286] CR2: 00007f080a420690 CR3: 000000000ec56001 CR4: 0000000000771ef0
[   12.942399][  T286] PKRU: 55555554
[   12.942501][  T286] Call Trace:
[   12.942602][  T286]  <TASK>
[   12.942673][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.942812][  T286]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.942948][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.943054][  T286]  register_netdevice (net/core/dev.c:11488)
[   12.943191][  T286]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.943368][  T286]  register_netdev (net/core/dev.c:11552)
[   12.943504][  T286]  sit_init_net (net/ipv6/sit.c:1860)
[   12.943643][  T286]  ops_init (net/core/net_namespace.c:137)
[   12.943750][  T286]  setup_net (net/core/net_namespace.c:446)
[   12.943853][  T286]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.943991][  T286]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.944127][  T286]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.944265][  T286]  copy_net_ns (net/core/net_namespace.c:579)
[   12.944406][  T286]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.944545][  T286]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.944681][  T286]  ksys_unshare (kernel/fork.c:3243)
[   12.944822][  T286]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.944958][  T286]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.945093][  T286]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.945229][  T286]  ? __ia32_sys_open (fs/open.c:1374)
[   12.945371][  T286]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.945507][  T286]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.945639][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.945776][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.945911][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.946048][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.946214][  T286] RIP: 0033:0x7f080a4d6bcb
[   12.946361][  T286] 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
[   12.946846][  T286] RSP: 002b:00007fffe13beea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.947051][  T286] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f080a4d6bcb
[   12.947252][  T286] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.947458][  T286] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.947659][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffe13c10d0
[   12.947864][  T286] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe13c2869
| [   12.957759][  T286] ------------[ cut here ]------------
| [   12.957912][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/286
| [   12.958147][  T286] Modules linked in:
| [   12.958555][  T286] Tainted: [W]=WARN
[   12.958670][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.958847][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.959022][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.959506][  T286] RSP: 0018:ffa0000000ce7a78 EFLAGS: 00010286
[   12.959674][  T286] RAX: 00000000ffffffa6 RBX: ff1100000df75380 RCX: 1ff400000019cf15
[   12.959883][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df7543c
[   12.960082][  T286] RBP: ff1100000fc7c000 R08: 1fe2200001beea89 R09: ff1100000f98ae80
[   12.960283][  T286] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.960489][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc7c000
[   12.960694][  T286] FS:  00007f080a214840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   12.960962][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.961132][  T286] CR2: 00007f080a420690 CR3: 000000000ec56001 CR4: 0000000000771ef0
[   12.961337][  T286] PKRU: 55555554
[   12.961455][  T286] Call Trace:
[   12.961557][  T286]  <TASK>
[   12.961632][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.961773][  T286]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.961917][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.962020][  T286]  register_netdevice (net/core/dev.c:11488)
[   12.962157][  T286]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.962324][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.962468][  T286]  register_netdev (net/core/dev.c:11552)
[   12.962603][  T286]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   12.962743][  T286]  ops_init (net/core/net_namespace.c:137)
[   12.962845][  T286]  setup_net (net/core/net_namespace.c:446)
[   12.962946][  T286]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.963079][  T286]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.963214][  T286]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.963357][  T286]  copy_net_ns (net/core/net_namespace.c:579)
[   12.963496][  T286]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.963633][  T286]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.963773][  T286]  ksys_unshare (kernel/fork.c:3243)
[   12.963908][  T286]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.964042][  T286]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.964176][  T286]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.964313][  T286]  ? __ia32_sys_open (fs/open.c:1374)
[   12.964514][  T286]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.964649][  T286]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.964787][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.964921][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.965055][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.965191][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.965417][  T286] RIP: 0033:0x7f080a4d6bcb
[   12.965558][  T286] 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
[   12.966043][  T286] RSP: 002b:00007fffe13beea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.966247][  T286] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f080a4d6bcb
[   12.966508][  T286] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.966768][  T286] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.966969][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffe13c10d0
[   12.967169][  T286] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe13c2869
| [   12.998796][  T287] ------------[ cut here ]------------
| [   12.998958][  T287] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/287
| [   12.999199][  T287] Modules linked in:
| [   12.999587][  T287] Tainted: [W]=WARN
[   12.999693][  T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.999868][  T287] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.000047][  T287] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.000526][  T287] RSP: 0018:ffa0000000cf7020 EFLAGS: 00010286
[   13.000695][  T287] RAX: 00000000ffffffa6 RBX: ff110000101a2c80 RCX: 1ff400000019edca
[   13.000901][  T287] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101a2d3c
[   13.001101][  T287] RBP: ff110000089ac000 R08: 1fe22000020345a9 R09: ff11000001ecae58
[   13.001322][  T287] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.001529][  T287] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.001735][  T287] FS:  00007f2aaa6fc840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   13.001972][  T287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.002140][  T287] CR2: 0000000030ef7988 CR3: 000000000fcdf002 CR4: 0000000000771ef0
[   13.002343][  T287] PKRU: 55555554
[   13.002450][  T287] Call Trace:
[   13.002551][  T287]  <TASK>
[   13.002620][  T287]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.002784][  T287]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.002887][  T287]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.003021][  T287]  __dev_notify_flags (net/core/dev.c:9787)
[   13.003158][  T287]  ? netif_change_name (net/core/dev.c:1495)
[   13.003294][  T287]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.003433][  T287]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.003566][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.003702][  T287]  ? 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))
[   13.003844][  T287]  netif_change_flags (net/core/dev.c:9820)
[   13.003978][  T287]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.004113][  T287]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.004250][  T287]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.004390][  T287]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.004559][  T287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.004695][  T287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.004836][  T287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.004968][  T287]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.005104][  T287]  ? __kernel_text_address (kernel/extable.c:79)
[   13.005238][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.005380][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.005514][  T287]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.005650][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.005788][  T287]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.005921][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.006053][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.006187][  T287]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.006322][  T287]  ? __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)
[   13.006951][  T287]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.007095][  T287]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.007231][  T287]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.007371][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.007509][  T287]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.007644][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.007780][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.007914][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.008050][  T287]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.008183][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.008320][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.008457][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.008590][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.008725][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.008865][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.008999][  T287]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.009133][  T287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.009267][  T287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.009405][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.009539][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.009672][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.009809][  T287]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.009944][  T287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.010080][  T287]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.010218][  T287]  ? 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))
[   13.010359][  T287]  ? 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))
[   13.010496][  T287]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.010631][  T287]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.010771][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.010905][  T287]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.011039][  T287]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.011175][  T287]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.011313][  T287]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.011452][  T287]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.011586][  T287]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.011756][  T287]  ? move_addr_to_kernel (net/socket.c:258)
[   13.011891][  T287]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.012026][  T287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.012162][  T287]  ___sys_sendmsg (net/socket.c:2752)
[   13.012297][  T287]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.012467][  T287]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.012614][  T287]  __sys_sendmsg (net/socket.c:2784)
[   13.012754][  T287]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.012888][  T287]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.013055][  T287]  ? 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)
[   13.013190][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.013328][  T287]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.013465][  T287]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.013603][  T287]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.013741][  T287]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.013907][  T287] RIP: 0033:0x7f2aaa93608e
[   13.014047][  T287] 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
[   13.014533][  T287] RSP: 002b:00007ffe48fe81a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.014741][  T287] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2aaa93608e
[   13.014943][  T287] RDX: 0000000000000000 RSI: 00007ffe48fe8250 RDI: 0000000000000005
[   13.015142][  T287] RBP: 00007ffe48fe81b0 R08: 0000000000000000 R09: 0000000000000000
[   13.015341][  T287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e630
[   13.015546][  T287] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe48fe8920
| [   13.143749][  T291] ------------[ cut here ]------------
| [   13.143929][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/291
| [   13.144166][  T291] Modules linked in:
| [   13.145062][  T291] Tainted: [W]=WARN
[   13.145176][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.145344][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.145578][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.146068][  T291] RSP: 0018:ffa0000000d37a80 EFLAGS: 00010286
[   13.146237][  T291] RAX: 00000000ffffffa6 RBX: ff11000010170ac0 RCX: 1ff40000001a6f16
[   13.146492][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010170b7c
[   13.146722][  T291] RBP: ff11000009ad1000 R08: 1fe220000202e171 R09: ff1100000923d180
[   13.146932][  T291] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.147131][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ad1000
[   13.147337][  T291] FS:  00007f25ba8ba840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   13.147581][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.147758][  T291] CR2: 00007f25baabbc20 CR3: 000000000fa85002 CR4: 0000000000771ef0
[   13.147961][  T291] PKRU: 55555554
[   13.148062][  T291] Call Trace:
[   13.148163][  T291]  <TASK>
[   13.148234][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.148377][  T291]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.148517][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.148619][  T291]  register_netdevice (net/core/dev.c:11488)
[   13.148759][  T291]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.148928][  T291]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.149066][  T291]  register_netdev (net/core/dev.c:11552)
[   13.149201][  T291]  loopback_net_init (drivers/net/loopback.c:218)
[   13.149337][  T291]  ops_init (net/core/net_namespace.c:137)
[   13.149446][  T291]  setup_net (net/core/net_namespace.c:446)
[   13.149550][  T291]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.149683][  T291]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.149824][  T291]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.149960][  T291]  copy_net_ns (net/core/net_namespace.c:579)
[   13.150094][  T291]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.150230][  T291]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.150367][  T291]  ksys_unshare (kernel/fork.c:3243)
[   13.150504][  T291]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.150640][  T291]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.150777][  T291]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.150912][  T291]  ? __ia32_sys_open (fs/open.c:1374)
[   13.151049][  T291]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.151184][  T291]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.151319][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.151458][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.151596][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.151736][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.151904][  T291] RIP: 0033:0x7f25bab7cbcb
[   13.152044][  T291] 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
[   13.152536][  T291] RSP: 002b:00007ffd7982ca38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.152743][  T291] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f25bab7cbcb
[   13.152943][  T291] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.153142][  T291] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.153343][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7982ec60
[   13.153550][  T291] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7982f869
| [   13.158934][  T291] ------------[ cut here ]------------
| [   13.159096][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/291
| [   13.159332][  T291] Modules linked in:
| [   13.159723][  T291] Tainted: [W]=WARN
[   13.159831][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.160001][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.160175][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.160657][  T291] RSP: 0018:ffa0000000d37918 EFLAGS: 00010286
[   13.160836][  T291] RAX: 00000000ffffffa6 RBX: ff110000102e6ac0 RCX: 1ff40000001a6ee9
[   13.161036][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102e6b7c
[   13.161235][  T291] RBP: ff1100000aa89000 R08: 1fe220000205cd71 R09: ff1100000923d180
[   13.161442][  T291] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.161641][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa89000
[   13.161850][  T291] FS:  00007f25ba8ba840(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   13.162085][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.162253][  T291] CR2: 000055acae48f130 CR3: 000000000fa85006 CR4: 0000000000771ef0
[   13.162463][  T291] PKRU: 55555554
[   13.162565][  T291] Call Trace:
[   13.162665][  T291]  <TASK>
[   13.162741][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.162877][  T291]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.163010][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.163112][  T291]  register_netdevice (net/core/dev.c:11488)
[   13.163247][  T291]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.163418][  T291]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.163554][  T291]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.163688][  T291]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.163828][  T291]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.163963][  T291]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.164097][  T291]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.164232][  T291]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.164370][  T291]  ops_init (net/core/net_namespace.c:137)
[   13.164473][  T291]  setup_net (net/core/net_namespace.c:446)
[   13.164577][  T291]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.164711][  T291]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.164851][  T291]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.164987][  T291]  copy_net_ns (net/core/net_namespace.c:579)
[   13.165123][  T291]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.165261][  T291]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.165400][  T291]  ksys_unshare (kernel/fork.c:3243)
[   13.165536][  T291]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.165669][  T291]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.165808][  T291]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.165943][  T291]  ? __ia32_sys_open (fs/open.c:1374)
[   13.166079][  T291]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.166212][  T291]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.166346][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.166487][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.166620][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.166761][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.166927][  T291] RIP: 0033:0x7f25bab7cbcb
[   13.167067][  T291] 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
[   13.167547][  T291] RSP: 002b:00007ffd7982ca38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.167752][  T291] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f25bab7cbcb
[   13.167951][  T291] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.168149][  T291] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.168346][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7982ec60
[   13.168551][  T291] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7982f869
| [   13.172809][  T291] ------------[ cut here ]------------
| [   13.172957][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/291
| [   13.173192][  T291] Modules linked in:
| [   13.173578][  T291] Tainted: [W]=WARN
[   13.173683][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.173859][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.174034][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.174523][  T291] RSP: 0018:ffa0000000d378f8 EFLAGS: 00010286
[   13.174697][  T291] RAX: 00000000ffffffa6 RBX: ff110000100af540 RCX: 1ff40000001a6ee5
[   13.174903][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100af5fc
[   13.175107][  T291] RBP: ff1100000aa2c000 R08: 1fe2200002015ec1 R09: ff1100000923d180
[   13.175308][  T291] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.175518][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa2c000
[   13.175722][  T291] FS:  00007f25ba8ba840(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   13.175965][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.176135][  T291] CR2: 000055acae48f130 CR3: 000000000fa85006 CR4: 0000000000771ef0
[   13.176341][  T291] PKRU: 55555554
[   13.176448][  T291] Call Trace:
[   13.176548][  T291]  <TASK>
[   13.176619][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.176760][  T291]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.176896][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.177000][  T291]  register_netdevice (net/core/dev.c:11488)
[   13.177137][  T291]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.177308][  T291]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.177450][  T291]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.177586][  T291]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.177721][  T291]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.177870][  T291]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.178005][  T291]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.178141][  T291]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.178275][  T291]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.178422][  T291]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.178557][  T291]  ops_init (net/core/net_namespace.c:137)
[   13.178660][  T291]  setup_net (net/core/net_namespace.c:446)
[   13.178778][  T291]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.178913][  T291]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.179048][  T291]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.179185][  T291]  copy_net_ns (net/core/net_namespace.c:579)
[   13.179323][  T291]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.179468][  T291]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.179604][  T291]  ksys_unshare (kernel/fork.c:3243)
[   13.179744][  T291]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.179879][  T291]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.180014][  T291]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.180151][  T291]  ? __ia32_sys_open (fs/open.c:1374)
[   13.180291][  T291]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.180431][  T291]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.180565][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.180700][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.180840][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.180977][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.181146][  T291] RIP: 0033:0x7f25bab7cbcb
[   13.181287][  T291] 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
[   13.181806][  T291] RSP: 002b:00007ffd7982ca38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.182010][  T291] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f25bab7cbcb
[   13.182212][  T291] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.182420][  T291] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.182622][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7982ec60
[   13.182830][  T291] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7982f869
| [   13.186916][  T291] ------------[ cut here ]------------
| [   13.187061][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/291
| [   13.187294][  T291] Modules linked in:
| [   13.187671][  T291] Tainted: [W]=WARN
[   13.187777][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.187943][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.188117][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.188600][  T291] RSP: 0018:ffa0000000d37a78 EFLAGS: 00010286
[   13.188776][  T291] RAX: 00000000ffffffa6 RBX: ff110000100ae740 RCX: 1ff40000001a6f15
[   13.188974][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100ae7fc
[   13.189177][  T291] RBP: ff1100000f524000 R08: 1fe2200002015d01 R09: ff1100000923d180
[   13.189382][  T291] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.189580][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f524000
[   13.189786][  T291] FS:  00007f25ba8ba840(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   13.190022][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.190190][  T291] CR2: 000055acae48f130 CR3: 000000000fa85006 CR4: 0000000000771ef0
[   13.190394][  T291] PKRU: 55555554
[   13.190494][  T291] Call Trace:
[   13.190593][  T291]  <TASK>
[   13.190662][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.190801][  T291]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.190938][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.191041][  T291]  register_netdevice (net/core/dev.c:11488)
[   13.191177][  T291]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.191344][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.191484][  T291]  register_netdev (net/core/dev.c:11552)
[   13.191618][  T291]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.191759][  T291]  ops_init (net/core/net_namespace.c:137)
[   13.191863][  T291]  setup_net (net/core/net_namespace.c:446)
[   13.191967][  T291]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.192101][  T291]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.192235][  T291]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.192374][  T291]  copy_net_ns (net/core/net_namespace.c:579)
[   13.192508][  T291]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.192644][  T291]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.192783][  T291]  ksys_unshare (kernel/fork.c:3243)
[   13.192916][  T291]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.193049][  T291]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.193182][  T291]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.193316][  T291]  ? __ia32_sys_open (fs/open.c:1374)
[   13.193469][  T291]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.193608][  T291]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.193745][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.193881][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.194015][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.194149][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.194316][  T291] RIP: 0033:0x7f25bab7cbcb
[   13.194461][  T291] 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
[   13.194946][  T291] RSP: 002b:00007ffd7982ca38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.195146][  T291] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f25bab7cbcb
[   13.195344][  T291] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.195545][  T291] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.195752][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7982ec60
[   13.195951][  T291] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7982f869
| [   13.201149][  T291] ------------[ cut here ]------------
| [   13.201296][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/291
| [   13.201532][  T291] Modules linked in:
| [   13.201910][  T291] Tainted: [W]=WARN
[   13.202012][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.202177][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.202349][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.202839][  T291] RSP: 0018:ffa0000000d37a68 EFLAGS: 00010286
[   13.203007][  T291] RAX: 00000000ffffffa6 RBX: ff110000102e78c0 RCX: 1ff40000001a6f13
[   13.203206][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102e797c
[   13.203412][  T291] RBP: ff1100000e689000 R08: 1fe220000205cf31 R09: ff1100000923d180
[   13.203613][  T291] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.203818][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e689000
[   13.204017][  T291] FS:  00007f25ba8ba840(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   13.204251][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.204425][  T291] CR2: 000055acae48f130 CR3: 000000000fa85006 CR4: 0000000000771ef0
[   13.204627][  T291] PKRU: 55555554
[   13.204726][  T291] Call Trace:
[   13.204830][  T291]  <TASK>
[   13.204899][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.205033][  T291]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.205167][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.205271][  T291]  register_netdevice (net/core/dev.c:11488)
[   13.205412][  T291]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.205583][  T291]  register_netdev (net/core/dev.c:11552)
[   13.205717][  T291]  sit_init_net (net/ipv6/sit.c:1860)
[   13.205859][  T291]  ops_init (net/core/net_namespace.c:137)
[   13.205961][  T291]  setup_net (net/core/net_namespace.c:446)
[   13.206062][  T291]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.206194][  T291]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.206328][  T291]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.206519][  T291]  copy_net_ns (net/core/net_namespace.c:579)
[   13.206657][  T291]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.206800][  T291]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.206934][  T291]  ksys_unshare (kernel/fork.c:3243)
[   13.207069][  T291]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.207202][  T291]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.207336][  T291]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.207532][  T291]  ? __ia32_sys_open (fs/open.c:1374)
[   13.207671][  T291]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.207809][  T291]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.207944][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.208078][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.208211][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.208344][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.208564][  T291] RIP: 0033:0x7f25bab7cbcb
[   13.208704][  T291] 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
[   13.209186][  T291] RSP: 002b:00007ffd7982ca38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.209442][  T291] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f25bab7cbcb
[   13.209642][  T291] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.209844][  T291] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.210045][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7982ec60
[   13.210243][  T291] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7982f869
| [   13.221156][  T291] ------------[ cut here ]------------
| [   13.221316][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/291
| [   13.221558][  T291] Modules linked in:
| [   13.221944][  T291] Tainted: [W]=WARN
[   13.222048][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.222217][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.222399][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.222886][  T291] RSP: 0018:ffa0000000d37a78 EFLAGS: 00010286
[   13.223056][  T291] RAX: 00000000ffffffa6 RBX: ff1100000cb0c580 RCX: 1ff40000001a6f15
[   13.223257][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb0c63c
[   13.223464][  T291] RBP: ff1100000ab3c000 R08: 1fe22000019618c9 R09: ff1100000923d180
[   13.223666][  T291] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.223873][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ab3c000
[   13.224075][  T291] FS:  00007f25ba8ba840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   13.224311][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.224487][  T291] CR2: 00007f25baabbc20 CR3: 000000000fa85002 CR4: 0000000000771ef0
[   13.224692][  T291] PKRU: 55555554
[   13.224797][  T291] Call Trace:
[   13.224900][  T291]  <TASK>
[   13.224970][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.225106][  T291]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.225242][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.225345][  T291]  register_netdevice (net/core/dev.c:11488)
[   13.225489][  T291]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.225659][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.225804][  T291]  register_netdev (net/core/dev.c:11552)
[   13.225939][  T291]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.226075][  T291]  ops_init (net/core/net_namespace.c:137)
[   13.226179][  T291]  setup_net (net/core/net_namespace.c:446)
[   13.226281][  T291]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.226423][  T291]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.226559][  T291]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.226698][  T291]  copy_net_ns (net/core/net_namespace.c:579)
[   13.226838][  T291]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.226977][  T291]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.227114][  T291]  ksys_unshare (kernel/fork.c:3243)
[   13.227248][  T291]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.227391][  T291]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.227527][  T291]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.227663][  T291]  ? __ia32_sys_open (fs/open.c:1374)
[   13.227806][  T291]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.227942][  T291]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.228079][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.228214][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.228350][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.228491][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.228660][  T291] RIP: 0033:0x7f25bab7cbcb
[   13.228808][  T291] 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
[   13.229301][  T291] RSP: 002b:00007ffd7982ca38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.229512][  T291] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f25bab7cbcb
[   13.229715][  T291] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.229921][  T291] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.230123][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7982ec60
[   13.230328][  T291] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7982f869
| [   13.255527][  T292] ------------[ cut here ]------------
| [   13.255691][  T292] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/292
| [   13.255936][  T292] Modules linked in:
| [   13.256319][  T292] Tainted: [W]=WARN
[   13.256436][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.256609][  T292] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.256790][  T292] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.257266][  T292] RSP: 0018:ffa0000000d47020 EFLAGS: 00010286
[   13.257449][  T292] RAX: 00000000ffffffa6 RBX: ff1100000ba40900 RCX: 1ff40000001a8dca
[   13.257652][  T292] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba409bc
[   13.257857][  T292] RBP: ff11000009ad1000 R08: 1fe2200001748139 R09: ff1100000f5e0b58
[   13.258055][  T292] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.258251][  T292] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.258461][  T292] FS:  00007f980471c840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   13.258695][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.258875][  T292] CR2: 0000000005d7e988 CR3: 00000000101fc003 CR4: 0000000000771ef0
[   13.259075][  T292] PKRU: 55555554
[   13.259175][  T292] Call Trace:
[   13.259277][  T292]  <TASK>
[   13.259348][  T292]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.259491][  T292]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.259592][  T292]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.259727][  T292]  __dev_notify_flags (net/core/dev.c:9787)
[   13.259893][  T292]  ? netif_change_name (net/core/dev.c:1495)
[   13.260026][  T292]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.260161][  T292]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.260297][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.260436][  T292]  ? 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))
[   13.260574][  T292]  netif_change_flags (net/core/dev.c:9820)
[   13.260708][  T292]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.260849][  T292]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.260986][  T292]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.261123][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.261293][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.261459][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.261593][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.261726][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.261867][  T292]  ? __kernel_text_address (kernel/extable.c:79)
[   13.262002][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.262141][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.262275][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.262487][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.262622][  T292]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.262798][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.262991][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.263190][  T292]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.263546][  T292]  ? __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)
[   13.263855][  T292]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.264058][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.264216][  T292]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.264414][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.264552][  T292]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.264692][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.264832][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.264965][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.265099][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.265232][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.265423][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.265557][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.265690][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.265831][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.265965][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.266101][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.266234][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.266421][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.266555][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.266689][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.266829][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.266963][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.267099][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.267236][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.267430][  T292]  ? 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))
[   13.267562][  T292]  ? 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))
[   13.267696][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.267839][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.267973][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.268108][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.268243][  T292]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.268448][  T292]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.268584][  T292]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.268718][  T292]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.268858][  T292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.269033][  T292]  ? move_addr_to_kernel (net/socket.c:258)
[   13.269168][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.269304][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.269526][  T292]  ___sys_sendmsg (net/socket.c:2752)
[   13.269658][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.269832][  T292]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.269979][  T292]  __sys_sendmsg (net/socket.c:2784)
[   13.270115][  T292]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.270249][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.270481][  T292]  ? 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)
[   13.270616][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.270760][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.270893][  T292]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.271025][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.271160][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.271324][  T292] RIP: 0033:0x7f980495608e
[   13.271497][  T292] 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
[   13.271980][  T292] RSP: 002b:00007ffd455c6d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.272183][  T292] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f980495608e
[   13.272389][  T292] RDX: 0000000000000000 RSI: 00007ffd455c6e00 RDI: 0000000000000005
[   13.272591][  T292] RBP: 00007ffd455c6d60 R08: 0000000000000000 R09: 0000000000000000
[   13.272797][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e630
[   13.272997][  T292] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd455c74d0
| [   13.441878][  T297] ------------[ cut here ]------------
| [   13.442068][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/297
| [   13.442321][  T297] Modules linked in:
| [   13.442780][  T297] Tainted: [W]=WARN
[   13.442888][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.443067][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.443253][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.443938][  T297] RSP: 0018:ffa0000000d96e30 EFLAGS: 00010286
[   13.444125][  T297] RAX: 00000000ffffffa6 RBX: ff11000010170740 RCX: 1ff40000001b2d8c
[   13.444338][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101707fc
[   13.444610][  T297] RBP: ff1100000a85c000 R08: 1fe220000202e101 R09: ff1100000a1aae80
[   13.444833][  T297] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.445041][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bfd3c00
[   13.445258][  T297] FS:  00007f5d087d2840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   13.445564][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.445746][  T297] CR2: 000000000042ebe0 CR3: 000000000fb3a005 CR4: 0000000000771ef0
[   13.445963][  T297] PKRU: 55555554
[   13.446128][  T297] Call Trace:
[   13.446235][  T297]  <TASK>
[   13.446309][  T297]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   13.446555][  T297]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.446703][  T297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.446816][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.446956][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.447098][  T297]  __dev_notify_flags (net/core/dev.c:9787)
[   13.447240][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.447481][  T297]  ? netif_change_name (net/core/dev.c:1495)
[   13.447631][  T297]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   13.447781][  T297]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   13.447963][  T297]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   13.448141][  T297]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.448285][  T297]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.448481][  T297]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.448626][  T297]  veth_newlink (drivers/net/veth.c:1871)
[   13.448772][  T297]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   13.448910][  T297]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.449051][  T297]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.449191][  T297]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.449346][  T297]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.449542][  T297]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.449682][  T297]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.449823][  T297]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.449964][  T297]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.450105][  T297]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.450247][  T297]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.450407][  T297]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.450546][  T297]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.450692][  T297]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.450840][  T297]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.450981][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.451118][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.451257][  T297]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.451400][  T297]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.451539][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.451683][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.451828][  T297]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.451968][  T297]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.452106][  T297]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.452244][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.452386][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.452528][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.452667][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.452815][  T297]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.452955][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.453095][  T297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.453238][  T297]  ? 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))
[   13.453382][  T297]  ? 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))
[   13.453523][  T297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.453663][  T297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.453806][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.453946][  T297]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.454087][  T297]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.454227][  T297]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.454371][  T297]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.454511][  T297]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.454650][  T297]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.454826][  T297]  ? move_addr_to_kernel (net/socket.c:258)
[   13.454970][  T297]  ___sys_sendmsg (net/socket.c:2752)
[   13.455108][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.455247][  T297]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.455402][  T297]  ? 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))
[   13.455542][  T297]  __sys_sendmsg (net/socket.c:2784)
[   13.455682][  T297]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.455830][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.455968][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.456107][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.456245][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.456388][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.456527][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.456700][  T297] RIP: 0033:0x7f5d08a0c08e
[   13.456851][  T297] 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
[   13.457349][  T297] RSP: 002b:00007ffe27614730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.457567][  T297] RAX: ffffffffffffffda RBX: 00007ffe27614ed8 RCX: 00007f5d08a0c08e
[   13.457782][  T297] RDX: 0000000000000000 RSI: 00007ffe276147e0 RDI: 0000000000000005
[   13.457990][  T297] RBP: 00007ffe27614740 R08: 0000000000000000 R09: 0000000000000000
[   13.458197][  T297] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e630
[   13.458411][  T297] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe27614eb0
| [   13.467467][  T297] ------------[ cut here ]------------
| [   13.467633][  T297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/297
| [   13.467873][  T297] Modules linked in:
| [   13.468250][  T297] Tainted: [W]=WARN
[   13.468358][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.468531][  T297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.468711][  T297] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.469213][  T297] RSP: 0018:ffa0000000d971b0 EFLAGS: 00010286
[   13.469741][  T297] RAX: 00000000ffffffa6 RBX: ff1100000de37c40 RCX: 1ff40000001b2dfc
[   13.469948][  T297] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de37cfc
[   13.470153][  T297] RBP: ff1100000a961000 R08: 1fe2200001bc6fa1 R09: ff1100000a1aae80
[   13.470364][  T297] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.470571][  T297] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffada03b20
[   13.470784][  T297] FS:  00007f5d087d2840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   13.471025][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.471196][  T297] CR2: 000000000042ebe0 CR3: 000000000fb3a005 CR4: 0000000000771ef0
[   13.471407][  T297] PKRU: 55555554
[   13.471510][  T297] Call Trace:
[   13.471613][  T297]  <TASK>
[   13.471685][  T297]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.471826][  T297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.471935][  T297]  __dev_notify_flags (net/core/dev.c:9787)
[   13.472076][  T297]  ? netif_change_name (net/core/dev.c:1495)
[   13.472216][  T297]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.472360][  T297]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.472502][  T297]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.472642][  T297]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.472783][  T297]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.472920][  T297]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.473057][  T297]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.473200][  T297]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.473342][  T297]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.473487][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.473625][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.473766][  T297]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.473903][  T297]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.474041][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.474183][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.474321][  T297]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.474463][  T297]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.474600][  T297]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.474742][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.474879][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.475019][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.475154][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.475291][  T297]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.475433][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.475571][  T297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.475720][  T297]  ? 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))
[   13.475860][  T297]  ? 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))
[   13.475999][  T297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.476138][  T297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.476274][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.476416][  T297]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.476554][  T297]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.476702][  T297]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.476845][  T297]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.476982][  T297]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.477121][  T297]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.477288][  T297]  ? move_addr_to_kernel (net/socket.c:258)
[   13.477434][  T297]  ___sys_sendmsg (net/socket.c:2752)
[   13.477575][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.477711][  T297]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.477861][  T297]  ? 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))
[   13.478000][  T297]  __sys_sendmsg (net/socket.c:2784)
[   13.478139][  T297]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.478279][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.478427][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.478564][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.478700][  T297]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.478840][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.478978][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.479147][  T297] RIP: 0033:0x7f5d08a0c08e
[   13.479291][  T297] 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
[   13.479792][  T297] RSP: 002b:00007ffe27614730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.479998][  T297] RAX: ffffffffffffffda RBX: 00007ffe27614ed8 RCX: 00007f5d08a0c08e
[   13.480203][  T297] RDX: 0000000000000000 RSI: 00007ffe276147e0 RDI: 0000000000000005
[   13.480417][  T297] RBP: 00007ffe27614740 R08: 0000000000000000 R09: 0000000000000000
[   13.480620][  T297] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e630
[   13.480828][  T297] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe27614eb0
| [   13.539572][  T298] ------------[ cut here ]------------
| [   13.539796][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/298
| [   13.540126][  T298] Modules linked in:
| [   13.540700][  T298] Tainted: [W]=WARN
[   13.540853][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.541044][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.541216][  T298] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.541686][  T298] RSP: 0018:ffa0000000da6ff8 EFLAGS: 00010286
[   13.541859][  T298] RAX: 00000000ffffffa6 RBX: ff1100000de36580 RCX: 1ff40000001b4dc5
[   13.542053][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3663c
[   13.542250][  T298] RBP: ff1100000a85c000 R08: 1fe2200001bc6cc9 R09: ff1100000e4a5158
[   13.542452][  T298] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.542646][  T298] R13: 0000000000000000 R14: ffa0000000da7140 R15: ff11000005872a50
[   13.542847][  T298] FS:  00007f3ebbda4840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   13.543077][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.543242][  T298] CR2: 0000000026a41988 CR3: 0000000009a6a001 CR4: 0000000000771ef0
[   13.543444][  T298] PKRU: 55555554
[   13.543543][  T298] Call Trace:
[   13.543642][  T298]  <TASK>
[   13.543710][  T298]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   13.543846][  T298]  __dev_change_net_namespace (net/core/dev.c:12635)
[   13.544012][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.544142][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.544274][  T298]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.544441][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.544571][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.544702][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.544840][  T298]  ? 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))
[   13.544971][  T298]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.545102][  T298]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   13.545232][  T298]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.545368][  T298]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.545500][  T298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.545661][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.545796][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.545925][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.546054][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.546185][  T298]  ? __kernel_text_address (kernel/extable.c:79)
[   13.546316][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.546454][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.546583][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.546716][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.546854][  T298]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.546983][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.547112][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.547242][  T298]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.547380][  T298]  ? __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)
[   13.547511][  T298]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.547642][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.547781][  T298]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.547911][  T298]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.548044][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.548176][  T298]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.548308][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.548444][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.548573][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.548704][  T298]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.548840][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.548972][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.549101][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.549229][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.549364][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.549495][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.549624][  T298]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.549762][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.549891][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.550020][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.550151][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.550278][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.550417][  T298]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.550548][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.550680][  T298]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.550816][  T298]  ? 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))
[   13.550944][  T298]  ? 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))
[   13.551075][  T298]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.551205][  T298]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.551335][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.551472][  T298]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.551604][  T298]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.551743][  T298]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.551876][  T298]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.552007][  T298]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.552137][  T298]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.552298][  T298]  ? move_addr_to_kernel (net/socket.c:258)
[   13.552433][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.552563][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.552697][  T298]  ___sys_sendmsg (net/socket.c:2752)
[   13.552832][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.552994][  T298]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.553137][  T298]  __sys_sendmsg (net/socket.c:2784)
[   13.553267][  T298]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.553401][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.553567][  T298]  ? 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)
[   13.553700][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.553834][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.553964][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.554095][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.554224][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.554394][  T298] RIP: 0033:0x7f3ebbfde08e
[   13.554532][  T298] 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
[   13.555008][  T298] RSP: 002b:00007ffe5ed11080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.555208][  T298] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3ebbfde08e
[   13.555410][  T298] RDX: 0000000000000000 RSI: 00007ffe5ed11130 RDI: 0000000000000005
[   13.555606][  T298] RBP: 00007ffe5ed11090 R08: 0000000000000000 R09: 0000000000000000
[   13.555807][  T298] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e630
[   13.556003][  T298] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5ed11800
| [   13.558639][  T298] ------------[ cut here ]------------
| [   13.558800][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/298
| [   13.559028][  T298] Modules linked in:
| [   13.559402][  T298] Tainted: [W]=WARN
[   13.559502][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.559667][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.559844][  T298] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.560316][  T298] RSP: 0018:ffa0000000da6fc0 EFLAGS: 00010286
[   13.560488][  T298] RAX: 00000000ffffffa6 RBX: ff110000102eae40 RCX: 1ff40000001b4dbe
[   13.560686][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102eaefc
[   13.560887][  T298] RBP: ff1100000a85c000 R08: 1fe220000205d5e1 R09: ff1100000e4a5158
[   13.561088][  T298] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.561286][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005872a50
[   13.561488][  T298] FS:  00007f3ebbda4840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   13.561719][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.561891][  T298] CR2: 0000000026a41988 CR3: 0000000009a6a001 CR4: 0000000000771ef0
[   13.562089][  T298] PKRU: 55555554
[   13.562187][  T298] Call Trace:
[   13.562285][  T298]  <TASK>
[   13.562360][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.562493][  T298]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.562626][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.562727][  T298]  __dev_change_net_namespace (net/core/dev.c:12695)
[   13.562898][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.563030][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.563164][  T298]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.563329][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.563464][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.563611][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.563750][  T298]  ? 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))
[   13.563883][  T298]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.564014][  T298]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   13.564146][  T298]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.564280][  T298]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.564419][  T298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.564585][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.564717][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.564866][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.564997][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.565130][  T298]  ? __kernel_text_address (kernel/extable.c:79)
[   13.565263][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.565402][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.565534][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.565669][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.565805][  T298]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.565936][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.566068][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.566200][  T298]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.566333][  T298]  ? __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)
[   13.566471][  T298]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.566603][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.566743][  T298]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.566874][  T298]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.567010][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.567146][  T298]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.567280][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.567417][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.567549][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.567680][  T298]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.567871][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.568031][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.568165][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.568299][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.568434][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.568567][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.568699][  T298]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.568840][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.568973][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.569104][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.569238][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.569375][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.569508][  T298]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.569640][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.569778][  T298]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.569917][  T298]  ? 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))
[   13.570049][  T298]  ? 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))
[   13.570183][  T298]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.570318][  T298]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.570455][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.570590][  T298]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.570724][  T298]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.570863][  T298]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.570997][  T298]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.571129][  T298]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.571261][  T298]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.571430][  T298]  ? move_addr_to_kernel (net/socket.c:258)
[   13.571564][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.571696][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.571835][  T298]  ___sys_sendmsg (net/socket.c:2752)
[   13.571967][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.572133][  T298]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.572277][  T298]  __sys_sendmsg (net/socket.c:2784)
[   13.572415][  T298]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.572547][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.572714][  T298]  ? 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)
[   13.572855][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.572988][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.573119][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.573252][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.573392][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.573558][  T298] RIP: 0033:0x7f3ebbfde08e
[   13.573696][  T298] 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
[   13.574179][  T298] RSP: 002b:00007ffe5ed11080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.574382][  T298] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3ebbfde08e
[   13.574576][  T298] RDX: 0000000000000000 RSI: 00007ffe5ed11130 RDI: 0000000000000005
[   13.574778][  T298] RBP: 00007ffe5ed11090 R08: 0000000000000000 R09: 0000000000000000
[   13.574974][  T298] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e630
[   13.575171][  T298] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5ed11800
| [   13.634883][  T300] ------------[ cut here ]------------
| [   13.635042][  T300] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/300
| [   13.635279][  T300] Modules linked in:
| [   13.635671][  T300] Tainted: [W]=WARN
[   13.635778][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.635945][  T300] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.636151][  T300] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.636636][  T300] RSP: 0018:ffa0000000dc7020 EFLAGS: 00010286
[   13.636810][  T300] RAX: 00000000ffffffa6 RBX: ff11000004d1eac0 RCX: 1ff40000001b8dca
[   13.637007][  T300] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d1eb7c
[   13.637206][  T300] RBP: ff1100000a961000 R08: 1fe22000009a3d71 R09: ff1100000f7c5158
[   13.637481][  T300] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.637772][  T300] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.637975][  T300] FS:  00007f6507e3d840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   13.638207][  T300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.638465][  T300] CR2: 000000001234f988 CR3: 000000000fb3a001 CR4: 0000000000771ef0
[   13.638669][  T300] PKRU: 55555554
[   13.638773][  T300] Call Trace:
[   13.638874][  T300]  <TASK>
[   13.638945][  T300]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.639080][  T300]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.639181][  T300]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.639315][  T300]  __dev_notify_flags (net/core/dev.c:9787)
[   13.639529][  T300]  ? netif_change_name (net/core/dev.c:1495)
[   13.639664][  T300]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.639803][  T300]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.639937][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.640072][  T300]  ? 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))
[   13.640209][  T300]  netif_change_flags (net/core/dev.c:9820)
[   13.640343][  T300]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.640564][  T300]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.640702][  T300]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.640849][  T300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.641035][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.641170][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.641305][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.641579][  T300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.641714][  T300]  ? __kernel_text_address (kernel/extable.c:79)
[   13.641854][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.641990][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.642122][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.642259][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.642479][  T300]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.642613][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.642749][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.642885][  T300]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.643020][  T300]  ? __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)
[   13.643153][  T300]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.643287][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.643489][  T300]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.643625][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.643768][  T300]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.643906][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.644041][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.644174][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.644310][  T300]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.644532][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.644668][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.644805][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.644937][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.645072][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.645208][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.645342][  T300]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.645552][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.645685][  T300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.645822][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.645959][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.646092][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.646226][  T300]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.646447][  T300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.646581][  T300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.646720][  T300]  ? 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))
[   13.646859][  T300]  ? 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))
[   13.646998][  T300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.647134][  T300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.647268][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.647479][  T300]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.647614][  T300]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.647750][  T300]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.647886][  T300]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.648020][  T300]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.648152][  T300]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.648317][  T300]  ? move_addr_to_kernel (net/socket.c:258)
[   13.648526][  T300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.648661][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.648801][  T300]  ___sys_sendmsg (net/socket.c:2752)
[   13.648935][  T300]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.649103][  T300]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.649250][  T300]  __sys_sendmsg (net/socket.c:2784)
[   13.649419][  T300]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.649553][  T300]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.649719][  T300]  ? 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)
[   13.649858][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.649992][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.650126][  T300]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.650260][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.650399][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.650565][  T300] RIP: 0033:0x7f650807708e
[   13.650706][  T300] 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
[   13.651192][  T300] RSP: 002b:00007ffc57022e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.651399][  T300] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f650807708e
[   13.651601][  T300] RDX: 0000000000000000 RSI: 00007ffc57022f20 RDI: 0000000000000005
[   13.651806][  T300] RBP: 00007ffc57022e80 R08: 0000000000000000 R09: 0000000000000000
[   13.652006][  T300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e630
[   13.652206][  T300] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc570235f0
| [   13.721740][  T302] ------------[ cut here ]------------
| [   13.721907][  T302] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/302
| [   13.722139][  T302] Modules linked in:
| [   13.722531][  T302] Tainted: [W]=WARN
[   13.722633][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.722808][  T302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.722988][  T302] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.723468][  T302] RSP: 0018:ffa0000000de71b0 EFLAGS: 00010286
[   13.723637][  T302] RAX: 00000000ffffffa6 RBX: ff1100000bd97c40 RCX: 1ff40000001bcdfc
[   13.723845][  T302] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd97cfc
[   13.724044][  T302] RBP: ff1100000f6b1000 R08: 1fe22000017b2fa1 R09: ff11000008da8b80
[   13.724244][  T302] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.724559][  T302] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffada08da0
[   13.724773][  T302] FS:  00007fb3e1368840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   13.725010][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.725182][  T302] CR2: 00007fb3e16dd040 CR3: 0000000011e3d005 CR4: 0000000000771ef0
[   13.725392][  T302] PKRU: 55555554
[   13.725492][  T302] Call Trace:
[   13.725591][  T302]  <TASK>
[   13.725660][  T302]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.725803][  T302]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.725905][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.726043][  T302]  __dev_notify_flags (net/core/dev.c:9787)
[   13.726179][  T302]  ? netif_change_name (net/core/dev.c:1495)
[   13.726311][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.726450][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.726585][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.726717][  T302]  ? 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)
[   13.726856][  T302]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.726994][  T302]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.727130][  T302]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   13.727263][  T302]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.727403][  T302]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.727535][  T302]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.727669][  T302]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.727816][  T302]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.727957][  T302]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.728093][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.728226][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.728381][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.728514][  T302]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.728647][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.728789][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.728926][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.729061][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.729194][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.729328][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.729465][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.729601][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.729737][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.729873][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.730007][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.730153][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.730290][  T302]  ? 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))
[   13.730429][  T302]  ? 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))
[   13.730566][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.730702][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.730842][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.730978][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.731114][  T302]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.731250][  T302]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.731392][  T302]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.731528][  T302]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.731663][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.731834][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   13.731971][  T302]  ___sys_sendmsg (net/socket.c:2752)
[   13.732103][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.732238][  T302]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.732387][  T302]  ? 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))
[   13.732525][  T302]  __sys_sendmsg (net/socket.c:2784)
[   13.732659][  T302]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.732806][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.732940][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.733074][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.733208][  T302]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.733342][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.733483][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.733649][  T302] RIP: 0033:0x7fb3e15a208e
[   13.733812][  T302] 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
[   13.734288][  T302] RSP: 002b:00007ffea4880170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.734497][  T302] RAX: ffffffffffffffda RBX: 00007ffea4880918 RCX: 00007fb3e15a208e
[   13.734695][  T302] RDX: 0000000000000000 RSI: 00007ffea4880220 RDI: 0000000000000005
[   13.734902][  T302] RBP: 00007ffea4880180 R08: 0000000000000000 R09: 0000000000000000
[   13.735101][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e630
[   13.735301][  T302] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea48808f0
| [   13.758958][  T303] ------------[ cut here ]------------
| [   13.759124][  T303] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/303
| [   13.759362][  T303] Modules linked in:
| [   13.759737][  T303] Tainted: [W]=WARN
[   13.759836][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.759999][  T303] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.760166][  T303] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.761110][  T303] RSP: 0018:ffa0000000df7020 EFLAGS: 00010286
[   13.761273][  T303] RAX: 00000000ffffffa6 RBX: ff1100000bd971c0 RCX: 1ff40000001bedca
[   13.761471][  T303] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd9727c
[   13.761666][  T303] RBP: ff1100000f6b1000 R08: 1fe22000017b2e51 R09: ff11000008daae58
[   13.761863][  T303] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.762055][  T303] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.762250][  T303] FS:  00007f68a088b840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   13.762480][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.762643][  T303] CR2: 000000000721b988 CR3: 0000000010373001 CR4: 0000000000771ef0
[   13.762843][  T303] PKRU: 55555554
[   13.762941][  T303] Call Trace:
[   13.763037][  T303]  <TASK>
[   13.763104][  T303]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.763235][  T303]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.763333][  T303]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.763468][  T303]  __dev_notify_flags (net/core/dev.c:9787)
[   13.763599][  T303]  ? netif_change_name (net/core/dev.c:1495)
[   13.763731][  T303]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.763866][  T303]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.763998][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.764128][  T303]  ? 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))
[   13.764259][  T303]  netif_change_flags (net/core/dev.c:9820)
[   13.764396][  T303]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.764528][  T303]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.764661][  T303]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.764798][  T303]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.764961][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.765091][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.765221][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.765349][  T303]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.765484][  T303]  ? __kernel_text_address (kernel/extable.c:79)
[   13.765614][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.765751][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.765879][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.766009][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.766139][  T303]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.766268][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.766399][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.766528][  T303]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.766658][  T303]  ? __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)
[   13.766794][  T303]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.766927][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.767058][  T303]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.767192][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.767326][  T303]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.767490][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.767650][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.767791][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.767922][  T303]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.768052][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.768190][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.768323][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.768459][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.768589][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.768720][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.768858][  T303]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.768988][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.769123][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.769258][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.769399][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.769528][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.769659][  T303]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.769793][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.769924][  T303]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.770059][  T303]  ? 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))
[   13.770193][  T303]  ? 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))
[   13.770327][  T303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.770462][  T303]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.770592][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.770723][  T303]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.770859][  T303]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.770995][  T303]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.771128][  T303]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.771259][  T303]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.771397][  T303]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.771562][  T303]  ? move_addr_to_kernel (net/socket.c:258)
[   13.771695][  T303]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.771831][  T303]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.771966][  T303]  ___sys_sendmsg (net/socket.c:2752)
[   13.772098][  T303]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.772262][  T303]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.772411][  T303]  __sys_sendmsg (net/socket.c:2784)
[   13.772547][  T303]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.772682][  T303]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.772853][  T303]  ? 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)
[   13.772983][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.773123][  T303]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.773254][  T303]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.773390][  T303]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.773524][  T303]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.773690][  T303] RIP: 0033:0x7f68a0ac508e
[   13.773834][  T303] 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
[   13.774297][  T303] RSP: 002b:00007ffc5a5c7990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.774507][  T303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f68a0ac508e
[   13.774704][  T303] RDX: 0000000000000000 RSI: 00007ffc5a5c7a40 RDI: 0000000000000005
[   13.774904][  T303] RBP: 00007ffc5a5c79a0 R08: 0000000000000000 R09: 0000000000000000
[   13.775099][  T303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e630
[   13.775294][  T303] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5a5c8110
| [   13.878816][  T306] ------------[ cut here ]------------
| [   13.878982][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/306
| [   13.879219][  T306] Modules linked in:
| [   13.879603][  T306] Tainted: [W]=WARN
[   13.879705][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.879876][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.880049][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.880527][  T306] RSP: 0018:ffa0000000e16f40 EFLAGS: 00010286
[   13.880695][  T306] RAX: 00000000ffffffa6 RBX: ff11000004d1ee40 RCX: 1ff40000001c2dae
[   13.880899][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d1eefc
[   13.881102][  T306] RBP: ff1100000a85c000 R08: 1fe22000009a3de1 R09: ff1100000fc65158
[   13.881300][  T306] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.881502][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   13.881702][  T306] FS:  00007f473d641840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   13.881939][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.882107][  T306] CR2: 00000000004eb738 CR3: 0000000010376005 CR4: 0000000000771ef0
[   13.882308][  T306] PKRU: 55555554
[   13.882612][  T306] Call Trace:
[   13.882713][  T306]  <TASK>
[   13.882787][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.882930][  T306]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.883063][  T306]  notifier_call_chain (kernel/notifier.c:85)
[   13.883202][  T306]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   13.883336][  T306]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.883476][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.883610][  T306]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.883746][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.883879][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.884013][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.884149][  T306]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   13.884283][  T306]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   13.884424][  T306]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   13.884558][  T306]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.884692][  T306]  do_set_master (net/core/rtnetlink.c:3011)
[   13.884829][  T306]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.884965][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.885102][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.885235][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.885403][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.885535][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.885667][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.885806][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.885941][  T306]  ? __kernel_text_address (kernel/extable.c:79)
[   13.886075][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.886208][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.886341][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.886479][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.886612][  T306]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.886745][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.886877][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.887010][  T306]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.887143][  T306]  ? __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)
[   13.887277][  T306]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.887416][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.887550][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.887682][  T306]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.887823][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.887959][  T306]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.888095][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.888226][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.888366][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.888501][  T306]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.888633][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.888774][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.888906][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.889039][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.889174][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.889307][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.889444][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.889576][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.889710][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.889845][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.889978][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.890111][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.890244][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.890383][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.890516][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.890653][  T306]  ? 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))
[   13.890793][  T306]  ? 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))
[   13.890927][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.891061][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.891195][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.891329][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.891466][  T306]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.891601][  T306]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.891741][  T306]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.891875][  T306]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.892011][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.892177][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   13.892312][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.892449][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.892585][  T306]  ___sys_sendmsg (net/socket.c:2752)
[   13.892717][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.892888][  T306]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.893032][  T306]  __sys_sendmsg (net/socket.c:2784)
[   13.893166][  T306]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.893300][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.893471][  T306]  ? 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)
[   13.893605][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.893742][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.893874][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.894007][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.894139][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.894305][  T306] RIP: 0033:0x7f473d87b08e
[   13.894453][  T306] 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
[   13.894930][  T306] RSP: 002b:00007ffd85a30510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.895132][  T306] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f473d87b08e
[   13.895330][  T306] RDX: 0000000000000000 RSI: 00007ffd85a305c0 RDI: 0000000000000005
[   13.895530][  T306] RBP: 00007ffd85a30520 R08: 0000000000000000 R09: 0000000000000000
[   13.895728][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   13.895932][  T306] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd85a30c90
| [   13.950396][  T308] ------------[ cut here ]------------
| [   13.950546][  T308] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/308
| [   13.950782][  T308] Modules linked in:
| [   13.951158][  T308] Tainted: [W]=WARN
[   13.951260][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.951432][  T308] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.951603][  T308] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.952077][  T308] RSP: 0018:ffa0000000e37020 EFLAGS: 00010286
[   13.952243][  T308] RAX: 00000000ffffffa6 RBX: ff11000004d35e00 RCX: 1ff40000001c6dca
[   13.952503][  T308] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d35ebc
[   13.952699][  T308] RBP: ff1100000a85c000 R08: 1fe22000009a6bd9 R09: ff1100000fd5d158
[   13.952899][  T308] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.953093][  T308] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.953291][  T308] FS:  00007ff46f8c6840(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   13.953652][  T308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.953837][  T308] CR2: 000000002b6d4988 CR3: 0000000005af2004 CR4: 0000000000771ef0
[   13.954034][  T308] PKRU: 55555554
[   13.954133][  T308] Call Trace:
[   13.954231][  T308]  <TASK>
[   13.954300][  T308]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.954513][  T308]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.954614][  T308]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.954747][  T308]  __dev_notify_flags (net/core/dev.c:9787)
[   13.954881][  T308]  ? netif_change_name (net/core/dev.c:1495)
[   13.955013][  T308]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.955144][  T308]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.955277][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.955486][  T308]  ? 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))
[   13.955633][  T308]  netif_change_flags (net/core/dev.c:9820)
[   13.955768][  T308]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.955898][  T308]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.956029][  T308]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.956160][  T308]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.956321][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.956527][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.956655][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.956788][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.956918][  T308]  ? __kernel_text_address (kernel/extable.c:79)
[   13.957049][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.957181][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.958304][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.958489][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.958618][  T308]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.958750][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.958878][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.959006][  T308]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.959138][  T308]  ? __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)
[   13.959284][  T308]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.959469][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.959599][  T308]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.959730][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.959867][  T308]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.960000][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.960128][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.960258][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.960444][  T308]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.960572][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.960703][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.960837][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.960967][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.961096][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.961230][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.961409][  T308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.961539][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.961665][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.961810][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.961941][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.962087][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.962220][  T308]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.962350][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.962485][  T308]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.962709][  T308]  ? 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))
[   13.962846][  T308]  ? 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))
[   13.962976][  T308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.963106][  T308]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.963393][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.963524][  T308]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.963654][  T308]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.963791][  T308]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.963921][  T308]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.964050][  T308]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.964178][  T308]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.964350][  T308]  ? move_addr_to_kernel (net/socket.c:258)
[   13.964611][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.964746][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.964876][  T308]  ___sys_sendmsg (net/socket.c:2752)
[   13.965004][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.965163][  T308]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.965304][  T308]  __sys_sendmsg (net/socket.c:2784)
[   13.965449][  T308]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.965578][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.965751][  T308]  ? 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)
[   13.965879][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.966035][  T308]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.966165][  T308]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.966294][  T308]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.967013][  T308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.967178][  T308] RIP: 0033:0x7ff46fb0008e
[   13.967315][  T308] 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
[   13.967783][  T308] RSP: 002b:00007ffdd6615070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.967981][  T308] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff46fb0008e
[   13.968191][  T308] RDX: 0000000000000000 RSI: 00007ffdd6615120 RDI: 0000000000000005
[   13.968395][  T308] RBP: 00007ffdd6615080 R08: 0000000000000000 R09: 0000000000000000
[   13.968588][  T308] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   13.968787][  T308] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd66157f0
| [   13.971208][   T46] ------------[ cut here ]------------
| [   13.971339][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   13.971602][   T46] Modules linked in:
| [   13.972000][   T46] Tainted: [W]=WARN
[   13.972089][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.972236][   T46] Workqueue: events_unbound linkwatch_event
[   13.972395][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.972549][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.972976][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   13.973127][   T46] RAX: 00000000ffffffa6 RBX: ff110000102e71c0 RCX: 1ff4000000065f02
[   13.973304][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102e727c
[   13.973495][   T46] RBP: ff1100000a85c000 R08: 1fe220000205ce51 R09: ff110000024f0ba8
[   13.973671][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.973854][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.974033][   T46] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   13.974240][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.974394][   T46] CR2: 00007ffe901d4fbc CR3: 000000001914d004 CR4: 0000000000771ef0
[   13.974577][   T46] PKRU: 55555554
[   13.974667][   T46] Call Trace:
[   13.974781][   T46]  <TASK>
[   13.974849][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.974972][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.975092][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.975183][   T46]  netif_state_change (net/core/dev.c:1605)
[   13.975303][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.975456][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.975578][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.975704][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.975831][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.975948][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.976068][   T46]  process_one_work (kernel/workqueue.c:3314)
[   13.976195][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.976313][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.976444][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.976567][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.976689][   T46]  kthread (kernel/kthread.c:436)
[   13.976785][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.976934][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.977052][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.977172][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.977368][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.977488][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.977607][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.980347][   T46] ------------[ cut here ]------------
| [   13.980633][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   13.980947][   T46] Modules linked in:
| [   13.981401][   T46] Tainted: [W]=WARN
[   13.981492][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.981642][   T46] Workqueue: events_unbound linkwatch_event
[   13.981799][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.982032][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.982663][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   13.982825][   T46] RAX: 00000000ffffffa6 RBX: ff11000004d15e00 RCX: 1ff4000000065f02
[   13.983001][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d15ebc
[   13.983176][   T46] RBP: ff1100000a961000 R08: 1fe22000009a2bd9 R09: ff110000024f0ba8
[   13.983574][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.983758][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.983936][   T46] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   13.984147][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.984294][   T46] CR2: 00007ffe901d4fbc CR3: 000000001914d004 CR4: 0000000000771ef0
[   13.984485][   T46] PKRU: 55555554
[   13.984576][   T46] Call Trace:
[   13.984669][   T46]  <TASK>
[   13.984735][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.984855][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.984974][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.985064][   T46]  netif_state_change (net/core/dev.c:1605)
[   13.985186][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.985340][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.985470][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.985592][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.985713][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.985837][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.985957][   T46]  process_one_work (kernel/workqueue.c:3314)
[   13.986079][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.986200][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.986332][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.986459][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.986576][   T46]  kthread (kernel/kthread.c:436)
[   13.986665][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.986817][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.986935][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.987059][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.987214][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.987332][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.987454][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.167625][  T313] ------------[ cut here ]------------
| [   14.167817][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/313
| [   14.168063][  T313] Modules linked in:
| [   14.168469][  T313] Tainted: [W]=WARN
[   14.168577][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.168759][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.168941][  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
[   14.169440][  T313] RSP: 0018:ffa0000000e86e30 EFLAGS: 00010286
[   14.169619][  T313] RAX: 00000000ffffffa6 RBX: ff1100000c992040 RCX: 1ff40000001d0d8c
[   14.169830][  T313] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9920fc
[   14.170036][  T313] RBP: ff1100000f6c1000 R08: 1fe2200001932421 R09: ff1100000ec42e80
[   14.170242][  T313] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   14.170460][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004e21580
[   14.170670][  T313] FS:  00007f71bb3f3840(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   14.170918][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.171092][  T313] CR2: 00007fc4fda7f000 CR3: 000000000f9ba006 CR4: 0000000000771ef0
[   14.171299][  T313] PKRU: 55555554
[   14.171410][  T313] Call Trace:
[   14.171513][  T313]  <TASK>
[   14.171586][  T313]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.171729][  T313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.171838][  T313]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.172011][  T313]  __dev_notify_flags (net/core/dev.c:9787)
[   14.172152][  T313]  ? netif_change_name (net/core/dev.c:1495)
[   14.172291][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.172433][  T313]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.172571][  T313]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.172711][  T313]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   14.172855][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.172994][  T313]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.173167][  T313]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.173307][  T313]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.173453][  T313]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   14.173594][  T313]  veth_newlink (drivers/net/veth.c:1871)
[   14.173730][  T313]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   14.173868][  T313]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.174003][  T313]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.174136][  T313]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.174295][  T313]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   14.174437][  T313]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   14.174578][  T313]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.174716][  T313]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.174861][  T313]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.175002][  T313]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.175144][  T313]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.175282][  T313]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.175428][  T313]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.175572][  T313]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.175716][  T313]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.175859][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.175997][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.176136][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.176276][  T313]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.176422][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.176564][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.176705][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.176848][  T313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.176987][  T313]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.177126][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.177266][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.177413][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.177553][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.177694][  T313]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.177836][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.177974][  T313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.178116][  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))
[   14.178254][  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))
[   14.178403][  T313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.178547][  T313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.178687][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.178832][  T313]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.178973][  T313]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.179112][  T313]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.179253][  T313]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.179398][  T313]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.179539][  T313]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.179711][  T313]  ? move_addr_to_kernel (net/socket.c:258)
[   14.179859][  T313]  ___sys_sendmsg (net/socket.c:2752)
[   14.179996][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.180134][  T313]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.180282][  T313]  ? 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))
[   14.180429][  T313]  __sys_sendmsg (net/socket.c:2784)
[   14.180570][  T313]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.180713][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.180856][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.180995][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.181134][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.181274][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.181418][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.181592][  T313] RIP: 0033:0x7f71bb62d08e
[   14.181744][  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
[   14.182240][  T313] RSP: 002b:00007ffde1dcfe30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.182457][  T313] RAX: ffffffffffffffda RBX: 00007ffde1dd05d8 RCX: 00007f71bb62d08e
[   14.182667][  T313] RDX: 0000000000000000 RSI: 00007ffde1dcfee0 RDI: 0000000000000005
[   14.182880][  T313] RBP: 00007ffde1dcfe40 R08: 0000000000000000 R09: 0000000000000000
[   14.183086][  T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   14.183292][  T313] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde1dd05b0
| [   14.190631][  T313] ------------[ cut here ]------------
| [   14.190789][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/313
| [   14.191027][  T313] Modules linked in:
| [   14.191459][  T313] Tainted: [W]=WARN
[   14.191563][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.191737][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.191916][  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
[   14.192406][  T313] RSP: 0018:ffa0000000e871b0 EFLAGS: 00010286
[   14.192577][  T313] RAX: 00000000ffffffa6 RBX: ff11000004d34ac0 RCX: 1ff40000001d0dfc
[   14.192783][  T313] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d34b7c
[   14.192988][  T313] RBP: ff11000005151000 R08: 1fe22000009a6971 R09: ff1100000ec42e80
[   14.193192][  T313] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   14.193400][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffada03b20
[   14.193606][  T313] FS:  00007f71bb3f3840(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   14.193850][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.194024][  T313] CR2: 00007fc4fda7f000 CR3: 000000000f9ba006 CR4: 0000000000771ef0
[   14.194228][  T313] PKRU: 55555554
[   14.194330][  T313] Call Trace:
[   14.194435][  T313]  <TASK>
[   14.194507][  T313]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.194646][  T313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.194756][  T313]  __dev_notify_flags (net/core/dev.c:9787)
[   14.194897][  T313]  ? netif_change_name (net/core/dev.c:1495)
[   14.195035][  T313]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.195172][  T313]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.195311][  T313]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.195454][  T313]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.195592][  T313]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.195739][  T313]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.195879][  T313]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.196022][  T313]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.196163][  T313]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.196301][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.196444][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.196583][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.196720][  T313]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.196861][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.197004][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.197141][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.197279][  T313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.197420][  T313]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.197557][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.197692][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.197835][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.197972][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.198110][  T313]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.198246][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.198388][  T313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.198528][  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))
[   14.198664][  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))
[   14.198807][  T313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.198948][  T313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.199086][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.199223][  T313]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.199366][  T313]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.199506][  T313]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.199644][  T313]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.199785][  T313]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.199921][  T313]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.200092][  T313]  ? move_addr_to_kernel (net/socket.c:258)
[   14.200233][  T313]  ___sys_sendmsg (net/socket.c:2752)
[   14.200372][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.200510][  T313]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.200658][  T313]  ? 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))
[   14.200803][  T313]  __sys_sendmsg (net/socket.c:2784)
[   14.200942][  T313]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.201084][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.201220][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.201372][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.201510][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.201647][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.201787][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.201958][  T313] RIP: 0033:0x7f71bb62d08e
[   14.202100][  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
[   14.202591][  T313] RSP: 002b:00007ffde1dcfe30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.202803][  T313] RAX: ffffffffffffffda RBX: 00007ffde1dd05d8 RCX: 00007f71bb62d08e
[   14.203006][  T313] RDX: 0000000000000000 RSI: 00007ffde1dcfee0 RDI: 0000000000000005
[   14.203212][  T313] RBP: 00007ffde1dcfe40 R08: 0000000000000000 R09: 0000000000000000
[   14.203421][  T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   14.203628][  T313] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde1dd05b0
| [   14.249482][  T314] ------------[ cut here ]------------
| [   14.249650][  T314] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/314
| [   14.249885][  T314] Modules linked in:
| [   14.250252][  T314] Tainted: [W]=WARN
[   14.250358][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.250529][  T314] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.250703][  T314] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.251174][  T314] RSP: 0018:ffa0000000e96ff8 EFLAGS: 00010286
[   14.251339][  T314] RAX: 00000000ffffffa6 RBX: ff11000009609e00 RCX: 1ff40000001d2dc5
[   14.251540][  T314] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009609ebc
[   14.251738][  T314] RBP: ff1100000f6c1000 R08: 1fe22000012c13d9 R09: ff1100000ec45158
[   14.251932][  T314] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.252127][  T314] R13: 0000000000000000 R14: ffa0000000e97140 R15: ff11000005863bd0
[   14.252325][  T314] FS:  00007fc0e8fe8840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   14.252561][  T314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.252727][  T314] CR2: 00000000077d3988 CR3: 0000000009cd8003 CR4: 0000000000771ef0
[   14.252929][  T314] PKRU: 55555554
[   14.253027][  T314] Call Trace:
[   14.253124][  T314]  <TASK>
[   14.253193][  T314]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   14.253326][  T314]  __dev_change_net_namespace (net/core/dev.c:12635)
[   14.253495][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.253628][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.253765][  T314]  ? default_device_exit_batch (net/core/dev.c:13091)
[   14.253929][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.254059][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.254192][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.254323][  T314]  ? 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))
[   14.254462][  T314]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.254594][  T314]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   14.254727][  T314]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   14.254865][  T314]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.254998][  T314]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.255160][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.255292][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.255488][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.255620][  T314]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.255757][  T314]  ? __kernel_text_address (kernel/extable.c:79)
[   14.255890][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.256022][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.256153][  T314]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.256284][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.256423][  T314]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.256554][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.256685][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.256822][  T314]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.256954][  T314]  ? __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)
[   14.257086][  T314]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.257217][  T314]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.257357][  T314]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.257488][  T314]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.257623][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.257763][  T314]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.257897][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.258027][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.258156][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.258287][  T314]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.258425][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.258560][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.258690][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.258824][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.258954][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.259086][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.259216][  T314]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.259346][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.259483][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.259615][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.259751][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.259881][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.260013][  T314]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.260144][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.260276][  T314]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.260438][  T314]  ? 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))
[   14.260569][  T314]  ? 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))
[   14.260700][  T314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.260835][  T314]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.260966][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.261097][  T314]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.261229][  T314]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.261366][  T314]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.261500][  T314]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.261632][  T314]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.261768][  T314]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.261931][  T314]  ? move_addr_to_kernel (net/socket.c:258)
[   14.262063][  T314]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.262194][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.262327][  T314]  ___sys_sendmsg (net/socket.c:2752)
[   14.262462][  T314]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.262624][  T314]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.262770][  T314]  __sys_sendmsg (net/socket.c:2784)
[   14.262902][  T314]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.263032][  T314]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.263197][  T314]  ? 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)
[   14.263328][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.263463][  T314]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.263593][  T314]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.263723][  T314]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.263858][  T314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.264019][  T314] RIP: 0033:0x7fc0e922208e
[   14.264154][  T314] 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
[   14.264628][  T314] RSP: 002b:00007ffc3fb5e570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.264827][  T314] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc0e922208e
[   14.265021][  T314] RDX: 0000000000000000 RSI: 00007ffc3fb5e620 RDI: 0000000000000005
[   14.265214][  T314] RBP: 00007ffc3fb5e580 R08: 0000000000000000 R09: 0000000000000000
[   14.265415][  T314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   14.265608][  T314] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3fb5ecf0
| [   14.268220][  T314] ------------[ cut here ]------------
| [   14.268362][  T314] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/314
| [   14.268588][  T314] Modules linked in:
| [   14.268957][  T314] Tainted: [W]=WARN
[   14.269056][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.269221][  T314] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.269397][  T314] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.269871][  T314] RSP: 0018:ffa0000000e96fc0 EFLAGS: 00010286
[   14.270039][  T314] RAX: 00000000ffffffa6 RBX: ff110000095d51c0 RCX: 1ff40000001d2dbe
[   14.270237][  T314] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d527c
[   14.270438][  T314] RBP: ff1100000f6c1000 R08: 1fe22000012baa51 R09: ff1100000ec45158
[   14.270636][  T314] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.270838][  T314] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005863bd0
[   14.271037][  T314] FS:  00007fc0e8fe8840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   14.271267][  T314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.271437][  T314] CR2: 00000000077d3988 CR3: 0000000009cd8003 CR4: 0000000000771ef0
[   14.271638][  T314] PKRU: 55555554
[   14.271739][  T314] Call Trace:
[   14.271839][  T314]  <TASK>
[   14.271907][  T314]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.272040][  T314]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.272173][  T314]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.272274][  T314]  __dev_change_net_namespace (net/core/dev.c:12695)
[   14.272446][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.272579][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.272713][  T314]  ? default_device_exit_batch (net/core/dev.c:13091)
[   14.272882][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.273015][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.273147][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.273280][  T314]  ? 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))
[   14.273419][  T314]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.273551][  T314]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   14.273685][  T314]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   14.273826][  T314]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.273960][  T314]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.274125][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.274258][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.274396][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.274528][  T314]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.274662][  T314]  ? __kernel_text_address (kernel/extable.c:79)
[   14.274800][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.274935][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.275068][  T314]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.275201][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.275334][  T314]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.275471][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.275603][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.275741][  T314]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.275876][  T314]  ? __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)
[   14.276010][  T314]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.276144][  T314]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.276279][  T314]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.276417][  T314]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.276552][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.276688][  T314]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.276827][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.276960][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.277091][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.277221][  T314]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.277357][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.277492][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.277623][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.277760][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.277894][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.278028][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.278161][  T314]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.278294][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.278430][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.278562][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.278697][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.278832][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.278965][  T314]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.279096][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.279229][  T314]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.279368][  T314]  ? 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))
[   14.279502][  T314]  ? 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))
[   14.279636][  T314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.279774][  T314]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.279908][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.280041][  T314]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.280174][  T314]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.280308][  T314]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.280448][  T314]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.280580][  T314]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.280712][  T314]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.280880][  T314]  ? move_addr_to_kernel (net/socket.c:258)
[   14.281012][  T314]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.281144][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.281277][  T314]  ___sys_sendmsg (net/socket.c:2752)
[   14.281413][  T314]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.281579][  T314]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.281724][  T314]  __sys_sendmsg (net/socket.c:2784)
[   14.281863][  T314]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.281995][  T314]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.282161][  T314]  ? 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)
[   14.282294][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.282432][  T314]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.282565][  T314]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.282698][  T314]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.282833][  T314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.282998][  T314] RIP: 0033:0x7fc0e922208e
[   14.283136][  T314] 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
[   14.283615][  T314] RSP: 002b:00007ffc3fb5e570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.283816][  T314] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc0e922208e
[   14.284013][  T314] RDX: 0000000000000000 RSI: 00007ffc3fb5e620 RDI: 0000000000000005
[   14.284213][  T314] RBP: 00007ffc3fb5e580 R08: 0000000000000000 R09: 0000000000000000
[   14.284419][  T314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   14.284617][  T314] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3fb5ecf0
| [   14.353095][  T316] ------------[ cut here ]------------
| [   14.353302][  T316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/316
| [   14.353602][  T316] Modules linked in:
| [   14.354083][  T316] Tainted: [W]=WARN
[   14.354236][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.354465][  T316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.354687][  T316] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.355221][  T316] RSP: 0018:ffa0000000b37020 EFLAGS: 00010286
[   14.355453][  T316] RAX: 00000000ffffffa6 RBX: ff1100000ba12900 RCX: 1ff4000000166dca
[   14.355703][  T316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba129bc
[   14.355961][  T316] RBP: ff11000005151000 R08: 1fe2200001742539 R09: ff11000010022e58
[   14.356210][  T316] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   14.356468][  T316] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.356717][  T316] FS:  00007efd79703840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   14.357012][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.357229][  T316] CR2: 00000000221cf988 CR3: 00000000124af003 CR4: 0000000000771ef0
[   14.357490][  T316] PKRU: 55555554
[   14.357640][  T316] Call Trace:
[   14.357799][  T316]  <TASK>
[   14.357918][  T316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.358104][  T316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.358262][  T316]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.359064][  T316]  __dev_notify_flags (net/core/dev.c:9787)
[   14.359257][  T316]  ? netif_change_name (net/core/dev.c:1495)
[   14.359458][  T316]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.359643][  T316]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.359833][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.360019][  T316]  ? 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))
[   14.360207][  T316]  netif_change_flags (net/core/dev.c:9820)
[   14.360404][  T316]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.360589][  T316]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.360783][  T316]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.360966][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.361182][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.361382][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.361567][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.361757][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.361944][  T316]  ? __kernel_text_address (kernel/extable.c:79)
[   14.362128][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.362313][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.362506][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.362695][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.362884][  T316]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.363066][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.363246][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.363439][  T316]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.363624][  T316]  ? __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)
[   14.363816][  T316]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.364001][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.364189][  T316]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.364387][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.364574][  T316]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.364770][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.364951][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.365135][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.365318][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.365509][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.365696][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.365883][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.366067][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.366251][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.366448][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.366632][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.366825][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.367014][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.367196][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.367393][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.367575][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.367766][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.367949][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.368134][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.368321][  T316]  ? 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))
[   14.368516][  T316]  ? 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))
[   14.368701][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.368890][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.369073][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.369257][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.369461][  T316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.369646][  T316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.369840][  T316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.370031][  T316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.370214][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.370437][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   14.370622][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.370813][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.370998][  T316]  ___sys_sendmsg (net/socket.c:2752)
[   14.371181][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.371413][  T316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.371608][  T316]  __sys_sendmsg (net/socket.c:2784)
[   14.371803][  T316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.371986][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.372206][  T316]  ? 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)
[   14.372401][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.372587][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.372780][  T316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.372962][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.373146][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.373377][  T316] RIP: 0033:0x7efd7993d08e
[   14.373564][  T316] 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
[   14.374098][  T316] RSP: 002b:00007ffc9de750f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.374348][  T316] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efd7993d08e
[   14.374610][  T316] RDX: 0000000000000000 RSI: 00007ffc9de751a0 RDI: 0000000000000005
[   14.374870][  T316] RBP: 00007ffc9de75100 R08: 0000000000000000 R09: 0000000000000000
[   14.375121][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   14.375381][  T316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9de75870
| [   14.433742][  T318] ------------[ cut here ]------------
| [   14.433915][  T318] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/318
| [   14.434161][  T318] Modules linked in:
| [   14.434559][  T318] Tainted: [W]=WARN
[   14.434667][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.434847][  T318] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.435027][  T318] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.435525][  T318] RSP: 0018:ffa0000000a171b0 EFLAGS: 00010286
[   14.435699][  T318] RAX: 00000000ffffffa6 RBX: ff1100000ba55a80 RCX: 1ff4000000142dfc
[   14.435911][  T318] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba55b3c
[   14.436117][  T318] RBP: ff1100000e6a9000 R08: 1fe220000174ab69 R09: ff11000010020b80
[   14.436323][  T318] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.436535][  T318] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffada08da0
[   14.436748][  T318] FS:  00007f2436a4b840(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   14.436992][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.437166][  T318] CR2: 00000000004a2860 CR3: 000000000f967001 CR4: 0000000000771ef0
[   14.437380][  T318] PKRU: 55555554
[   14.437482][  T318] Call Trace:
[   14.437585][  T318]  <TASK>
[   14.437656][  T318]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.437806][  T318]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.437911][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.438049][  T318]  __dev_notify_flags (net/core/dev.c:9787)
[   14.438190][  T318]  ? netif_change_name (net/core/dev.c:1495)
[   14.438329][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.439187][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.439334][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.439502][  T318]  ? 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)
[   14.439646][  T318]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.439790][  T318]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.439930][  T318]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   14.440068][  T318]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.440209][  T318]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.440346][  T318]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.440491][  T318]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.440636][  T318]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.440784][  T318]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.440923][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.441060][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.441199][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.441337][  T318]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.441479][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.441621][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.441767][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.441906][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.442043][  T318]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.442181][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.442317][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.442464][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.442603][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.442746][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.442886][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.443023][  T318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.443163][  T318]  ? 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))
[   14.443301][  T318]  ? 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))
[   14.443445][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.443584][  T318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.443721][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.443867][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.444007][  T318]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.444144][  T318]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.444283][  T318]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.444426][  T318]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.444562][  T318]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.444738][  T318]  ? move_addr_to_kernel (net/socket.c:258)
[   14.444883][  T318]  ___sys_sendmsg (net/socket.c:2752)
[   14.445022][  T318]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.445167][  T318]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.445346][  T318]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   14.445492][  T318]  __sys_sendmsg (net/socket.c:2784)
[   14.445631][  T318]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.445779][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.445920][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.446057][  T318]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.446193][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.446331][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.446505][  T318] RIP: 0033:0x7f2436c8508e
[   14.446650][  T318] 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
[   14.447145][  T318] RSP: 002b:00007ffcb0c16e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.447359][  T318] RAX: ffffffffffffffda RBX: 00007ffcb0c17638 RCX: 00007f2436c8508e
[   14.447566][  T318] RDX: 0000000000000000 RSI: 00007ffcb0c16f40 RDI: 0000000000000005
[   14.447776][  T318] RBP: 00007ffcb0c16ea0 R08: 0000000000000000 R09: 0000000000000000
[   14.447983][  T318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   14.448188][  T318] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb0c17610
| [   14.477204][  T319] ------------[ cut here ]------------
| [   14.477567][  T319] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/319
| [   14.477862][  T319] Modules linked in:
| [   14.478336][  T319] Tainted: [W]=WARN
[   14.478503][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.478719][  T319] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.478954][  T319] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.479523][  T319] RSP: 0018:ffa0000000b77020 EFLAGS: 00010286
[   14.479748][  T319] RAX: 00000000ffffffa6 RBX: ff11000009395e00 RCX: 1ff400000016edca
[   14.480000][  T319] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009395ebc
[   14.480247][  T319] RBP: ff1100000e6a9000 R08: 1fe2200001272bd9 R09: ff1100000ef48b58
[   14.480505][  T319] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   14.480761][  T319] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.481011][  T319] FS:  00007f7dd4948840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   14.481298][  T319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.481528][  T319] CR2: 0000000026c8a988 CR3: 000000000f9c2001 CR4: 0000000000771ef0
[   14.481785][  T319] PKRU: 55555554
[   14.481933][  T319] Call Trace:
[   14.482081][  T319]  <TASK>
[   14.482198][  T319]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.482401][  T319]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.482554][  T319]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.482745][  T319]  __dev_notify_flags (net/core/dev.c:9787)
[   14.482931][  T319]  ? netif_change_name (net/core/dev.c:1495)
[   14.483114][  T319]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.483297][  T319]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.483491][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.483678][  T319]  ? 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))
[   14.483873][  T319]  netif_change_flags (net/core/dev.c:9820)
[   14.484058][  T319]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.484242][  T319]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.484439][  T319]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.484624][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.484849][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.485036][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.485221][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.485418][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.485602][  T319]  ? __kernel_text_address (kernel/extable.c:79)
[   14.485794][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.485979][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.486170][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.486368][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.486552][  T319]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.486743][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.486925][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.487109][  T319]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.487293][  T319]  ? __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)
[   14.487489][  T319]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.487676][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.487873][  T319]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.488058][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.488245][  T319]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.488441][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.488622][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.488814][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.488997][  T319]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.489182][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.489382][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.489562][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.489752][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.489937][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.490119][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.490303][  T319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.490500][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.490687][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.490876][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.491062][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.491244][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.491442][  T319]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.491626][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.491819][  T319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.492005][  T319]  ? 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))
[   14.492190][  T319]  ? 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))
[   14.492389][  T319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.492575][  T319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.492763][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.492949][  T319]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.493134][  T319]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.493317][  T319]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.493516][  T319]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.493701][  T319]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.493887][  T319]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.494102][  T319]  ? move_addr_to_kernel (net/socket.c:258)
[   14.494288][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.494485][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.494670][  T319]  ___sys_sendmsg (net/socket.c:2752)
[   14.494862][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.495082][  T319]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.495278][  T319]  __sys_sendmsg (net/socket.c:2784)
[   14.495472][  T319]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.495655][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.495882][  T319]  ? 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)
[   14.496066][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.496255][  T319]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.496452][  T319]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.496635][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.496830][  T319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.497048][  T319] RIP: 0033:0x7f7dd4b8208e
[   14.497236][  T319] 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
[   14.497488][    C0] clocksource: Watchdog remote CPU 2 read timed out
[   14.497782][  T319] RSP: 002b:00007ffeaef10190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.498293][  T319] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7dd4b8208e
[   14.498554][  T319] RDX: 0000000000000000 RSI: 00007ffeaef10240 RDI: 0000000000000005
[   14.498813][  T319] RBP: 00007ffeaef101a0 R08: 0000000000000000 R09: 0000000000000000
[   14.499061][  T319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   14.499307][  T319] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeaef10910
| [   14.589637][  T322] ------------[ cut here ]------------
| [   14.589856][  T322] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/322
| [   14.590148][  T322] Modules linked in:
| [   14.590646][  T322] Tainted: [W]=WARN
[   14.590825][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.591048][  T322] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.591276][  T322] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.591816][  T322] RSP: 0018:ffa0000000ec6f40 EFLAGS: 00010286
[   14.592053][  T322] RAX: 00000000ffffffa6 RBX: ff110000094bda80 RCX: 1ff40000001d8dae
[   14.592304][  T322] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094bdb3c
[   14.592566][  T322] RBP: ff1100000f6c1000 R08: 1fe2200001297b69 R09: ff11000009ab2e58
[   14.592817][  T322] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   14.593174][  T322] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   14.593442][  T322] FS:  00007f683e5b6840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   14.593730][  T322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.593955][  T322] CR2: 00000000004eb738 CR3: 000000000c50a001 CR4: 0000000000771ef0
[   14.594208][  T322] PKRU: 55555554
[   14.594389][  T322] Call Trace:
[   14.594538][  T322]  <TASK>
[   14.594658][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.594851][  T322]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.595041][  T322]  notifier_call_chain (kernel/notifier.c:85)
[   14.595229][  T322]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   14.595428][  T322]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.595631][  T322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.595818][  T322]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.596002][  T322]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.596191][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.596388][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.596575][  T322]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   14.596767][  T322]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   14.596971][  T322]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   14.597160][  T322]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.597346][  T322]  do_set_master (net/core/rtnetlink.c:3011)
[   14.597551][  T322]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.597745][  T322]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.597932][  T322]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.598137][  T322]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.598368][  T322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.598552][  T322]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.598744][  T322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.598932][  T322]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.599119][  T322]  ? __kernel_text_address (kernel/extable.c:79)
[   14.599322][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.599521][  T322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.599706][  T322]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.599900][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.600085][  T322]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.600270][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.600468][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.600677][  T322]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.600870][  T322]  ? __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)
[   14.601056][  T322]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.601242][  T322]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.601439][  T322]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.601622][  T322]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.601836][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.602024][  T322]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.602211][  T322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.602403][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.602589][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.602780][  T322]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.602964][  T322]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.603170][  T322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.603369][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.603554][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.603747][  T322]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.603933][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.604118][  T322]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.604324][  T322]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.604523][  T322]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.604711][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.604905][  T322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.605087][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.605274][  T322]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.605470][  T322]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.605674][  T322]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.605871][  T322]  ? 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))
[   14.606057][  T322]  ? 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))
[   14.606247][  T322]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.606444][  T322]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.606629][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.606839][  T322]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.607025][  T322]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.607211][  T322]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.607408][  T322]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.607596][  T322]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.607789][  T322]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.608010][  T322]  ? move_addr_to_kernel (net/socket.c:258)
[   14.608215][  T322]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.608414][  T322]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.608604][  T322]  ___sys_sendmsg (net/socket.c:2752)
[   14.608795][  T322]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.609018][  T322]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.609215][  T322]  __sys_sendmsg (net/socket.c:2784)
[   14.609433][  T322]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.609617][  T322]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.609845][  T322]  ? 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)
[   14.610032][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.610217][  T322]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.610417][  T322]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.610624][  T322]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.610817][  T322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.611035][  T322] RIP: 0033:0x7f683e7f008e
[   14.611227][  T322] 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
[   14.611794][  T322] RSP: 002b:00007ffcb9e0ad90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.612049][  T322] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f683e7f008e
[   14.612301][  T322] RDX: 0000000000000000 RSI: 00007ffcb9e0ae40 RDI: 0000000000000005
[   14.612566][  T322] RBP: 00007ffcb9e0ada0 R08: 0000000000000000 R09: 0000000000000000
[   14.612847][  T322] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   14.613099][  T322] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb9e0b510
| [   14.713844][  T324] ------------[ cut here ]------------
| [   14.714060][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/324
| [   14.714370][  T324] Modules linked in:
| [   14.714860][  T324] Tainted: [W]=WARN
[   14.715009][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.715229][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.715465][  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
[   14.716002][  T324] RSP: 0018:ffa0000000967020 EFLAGS: 00010286
[   14.716223][  T324] RAX: 00000000ffffffa6 RBX: ff1100000c2f8e40 RCX: 1ff400000012cdca
[   14.716486][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2f8efc
[   14.716747][  T324] RBP: ff1100000f6c1000 R08: 1fe220000185f1e1 R09: ff1100000f680b58
[   14.716996][  T324] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   14.717244][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.717503][  T324] FS:  00007f9e601da840(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   14.717795][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.718012][  T324] CR2: 0000000012ee9988 CR3: 000000000cfa2006 CR4: 0000000000771ef0
[   14.718260][  T324] PKRU: 55555554
[   14.718423][  T324] Call Trace:
[   14.718574][  T324]  <TASK>
[   14.718693][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.718887][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.719042][  T324]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.719225][  T324]  __dev_notify_flags (net/core/dev.c:9787)
[   14.719423][  T324]  ? netif_change_name (net/core/dev.c:1495)
[   14.719606][  T324]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.719798][  T324]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.719985][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.720170][  T324]  ? 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))
[   14.720370][  T324]  netif_change_flags (net/core/dev.c:9820)
[   14.720554][  T324]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.720747][  T324]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.720935][  T324]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.721119][  T324]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.721334][  T324]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.721529][  T324]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.721713][  T324]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.721904][  T324]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.722089][  T324]  ? __kernel_text_address (kernel/extable.c:79)
[   14.722273][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.722492][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.722671][  T324]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.722863][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.723042][  T324]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.723233][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.723430][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.723613][  T324]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.723809][  T324]  ? __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)
[   14.723992][  T324]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.724179][  T324]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.724378][  T324]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.724562][  T324]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.724755][  T324]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.724944][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.725125][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.725307][  T324]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.725502][  T324]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.725683][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.725877][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.726058][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.726243][  T324]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.726437][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.726623][  T324]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.726816][  T324]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.727001][  T324]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.727184][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.727378][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.727563][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.727750][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.727936][  T324]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.728120][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.728304][  T324]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.728505][  T324]  ? 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))
[   14.728688][  T324]  ? 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))
[   14.728884][  T324]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.729070][  T324]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.729253][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.729449][  T324]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.729637][  T324]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.729830][  T324]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.730019][  T324]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.730205][  T324]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.730401][  T324]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.730620][  T324]  ? move_addr_to_kernel (net/socket.c:258)
[   14.730816][  T324]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.730999][  T324]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.731183][  T324]  ___sys_sendmsg (net/socket.c:2752)
[   14.731382][  T324]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.731601][  T324]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.731804][  T324]  __sys_sendmsg (net/socket.c:2784)
[   14.731993][  T324]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.732176][  T324]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.732407][  T324]  ? 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)
[   14.732592][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.732785][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.732969][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.733152][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.733334][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.733562][  T324] RIP: 0033:0x7f9e6041408e
[   14.733757][  T324] 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
[   14.734280][  T324] RSP: 002b:00007ffef732a920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.734540][  T324] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9e6041408e
[   14.734795][  T324] RDX: 0000000000000000 RSI: 00007ffef732a9d0 RDI: 0000000000000005
[   14.735043][  T324] RBP: 00007ffef732a930 R08: 0000000000000000 R09: 0000000000000000
[   14.735294][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e631
[   14.735555][  T324] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef732b0a0
| [   14.738467][   T38] ------------[ cut here ]------------
| [   14.738611][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   14.738861][   T38] Modules linked in:
| [   14.739244][   T38] Tainted: [W]=WARN
[   14.739341][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.739503][   T38] Workqueue: events_unbound linkwatch_event
[   14.739664][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.739830][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.740269][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   14.740443][   T38] RAX: 00000000ffffffa6 RBX: ff1100000ba558c0 RCX: 1ff4000000055f02
[   14.740628][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba5597c
[   14.740817][   T38] RBP: ff1100000f6c1000 R08: 1fe220000174ab31 R09: ff11000001da2ea8
[   14.741005][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.741190][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.741382][   T38] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   14.741609][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.741772][   T38] CR2: 00007f369f0c4574 CR3: 000000001914d003 CR4: 0000000000771ef0
[   14.741959][   T38] PKRU: 55555554
[   14.742053][   T38] Call Trace:
[   14.742159][   T38]  <TASK>
[   14.742225][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.742350][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.742480][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.742574][   T38]  netif_state_change (net/core/dev.c:1605)
[   14.742701][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.742861][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.742985][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.743109][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.743235][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.743363][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.743489][   T38]  process_one_work (kernel/workqueue.c:3314)
[   14.743617][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.743745][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.743874][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.744003][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.744127][   T38]  kthread (kernel/kthread.c:436)
[   14.744223][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.744382][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.744507][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.744633][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.744790][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.744915][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.745039][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.747013][   T38] ------------[ cut here ]------------
| [   14.747144][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   14.747398][   T38] Modules linked in:
| [   14.747783][   T38] Tainted: [W]=WARN
[   14.747877][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.748036][   T38] Workqueue: events_unbound linkwatch_event
[   14.748197][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.748366][   T38] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.748818][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   14.748975][   T38] RAX: 00000000ffffffa6 RBX: ff1100000ba55000 RCX: 1ff4000000055f02
[   14.749160][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba550bc
[   14.749345][   T38] RBP: ff11000005151000 R08: 1fe220000174aa19 R09: ff11000001da2ea8
[   14.749545][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.749729][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.749921][   T38] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   14.750136][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.750293][   T38] CR2: 00007f369f0c4574 CR3: 000000001914d003 CR4: 0000000000771ef0
[   14.750483][   T38] PKRU: 55555554
[   14.750576][   T38] Call Trace:
[   14.750668][   T38]  <TASK>
[   14.750732][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.750865][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.750990][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.751086][   T38]  netif_state_change (net/core/dev.c:1605)
[   14.751212][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.751372][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.751496][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.751621][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.751756][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.751881][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.752006][   T38]  process_one_work (kernel/workqueue.c:3314)
[   14.752135][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.752259][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.752392][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.752526][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.752650][   T38]  kthread (kernel/kthread.c:436)
[   14.752747][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.752903][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.753037][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.753163][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.753318][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.753453][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.753583][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.070856][   T12] ------------[ cut here ]------------
| [   55.071072][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.071319][   T12] Modules linked in:
| [   55.071782][   T12] Tainted: [W]=WARN
[   55.071913][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.072093][   T12] Workqueue: netns cleanup_net
[   55.072233][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.072401][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.072854][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.073015][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ba12740 RCX: 1ff4000000018eed
[   55.073236][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba127fc
[   55.073419][   T12] RBP: ff1100000f574000 R08: 1fe2200001742501 R09: ff11000001aed1d0
[   55.073658][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.073840][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.074023][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.074232][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.074387][   T12] CR2: 00007f6cb5ee0574 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.074578][   T12] PKRU: 55555554
[   55.074667][   T12] Call Trace:
[   55.074755][   T12]  <TASK>
[   55.074823][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.074986][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.075140][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.075267][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.075395][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.075538][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.075659][   T12]  ? 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)
[   55.075781][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.075907][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.076025][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.076146][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.076266][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.076388][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.076507][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.076625][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.076857][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.077004][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.077158][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.077280][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.077411][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.077532][   T12]  kthread (kernel/kthread.c:436)
[   55.077640][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.077796][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.077988][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.078109][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.078255][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.078381][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.078568][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.082079][   T12] ------------[ cut here ]------------
| [   55.082204][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.082443][   T12] Modules linked in:
| [   55.082810][   T12] Tainted: [W]=WARN
[   55.082981][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.083129][   T12] Workqueue: netns cleanup_net
[   55.083253][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.083415][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.083846][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.084027][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ba12580 RCX: 1ff4000000018eed
[   55.084214][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba1263c
[   55.084397][   T12] RBP: ff1100000e794000 R08: 1fe22000017424c9 R09: ff11000001aed1d0
[   55.084642][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.084818][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.085002][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.085297][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.085450][   T12] CR2: 00007f6cb5ee0574 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.085698][   T12] PKRU: 55555554
[   55.085786][   T12] Call Trace:
[   55.085879][   T12]  <TASK>
[   55.085942][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.086095][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.086311][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.086436][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.086556][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.086678][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.086886][   T12]  ? 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)
[   55.087011][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.087132][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.087260][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.087457][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.087574][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.087695][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.087816][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.088121][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.088266][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.088406][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.088525][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.088719][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.088843][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.088967][   T12]  kthread (kernel/kthread.c:436)
[   55.089057][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.089201][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.089342][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.089472][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.089693][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.089890][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.090008][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.092921][   T12] ------------[ cut here ]------------
| [   55.093077][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.093390][   T12] Modules linked in:
| [   55.093848][   T12] Tainted: [W]=WARN
[   55.093981][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.094307][   T12] Workqueue: netns cleanup_net
[   55.094495][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.094910][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.095458][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.095618][   T12] RAX: 00000000ffffffa6 RBX: ff110000095d4ac0 RCX: 1ff4000000018eed
[   55.095792][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d4b7c
[   55.096048][   T12] RBP: ff1100000eca9000 R08: 1fe22000012ba971 R09: ff11000001aed1d0
[   55.096298][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.096478][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.096655][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.096965][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.097189][   T12] CR2: 00007f6cb5ee0574 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.097415][   T12] PKRU: 55555554
[   55.097509][   T12] Call Trace:
[   55.097598][   T12]  <TASK>
[   55.097661][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.097892][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.098036][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.098153][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.098273][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.098393][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.098584][   T12]  ? 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)
[   55.098774][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.098924][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.099045][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.099167][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.099286][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.099415][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.099613][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.099735][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.099856][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.100061][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.100183][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.100308][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.100449][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.100636][   T12]  kthread (kernel/kthread.c:436)
[   55.100725][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.100886][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.101007][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.101198][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.101377][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.101493][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.101609][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.104284][   T12] ------------[ cut here ]------------
| [   55.104415][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.104642][   T12] Modules linked in:
| [   55.105065][   T12] Tainted: [W]=WARN
[   55.105158][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.105393][   T12] Workqueue: netns cleanup_net
[   55.105521][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.105825][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.106258][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.106411][   T12] RAX: 00000000ffffffa6 RBX: ff110000095d4200 RCX: 1ff4000000018eed
[   55.106587][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d42bc
[   55.106767][   T12] RBP: ff1100000f6f1000 R08: 1fe22000012ba859 R09: ff11000001aed1d0
[   55.106950][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.107142][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.107322][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.107533][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.107756][   T12] CR2: 00007f6cb5ee0574 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.107985][   T12] PKRU: 55555554
[   55.108075][   T12] Call Trace:
[   55.108162][   T12]  <TASK>
[   55.108223][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.108379][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.108524][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.108644][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.108790][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.108920][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.109040][   T12]  ? 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)
[   55.109158][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.109282][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.109407][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.109540][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.109659][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.109848][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.109974][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.110097][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.110302][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.110427][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.110547][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.110674][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.110801][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.110925][   T12]  kthread (kernel/kthread.c:436)
[   55.111015][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.111187][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.111383][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.111501][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.111663][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.111779][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.111903][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.114452][   T12] ------------[ cut here ]------------
| [   55.114602][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.114843][   T12] Modules linked in:
| [   55.115269][   T12] Tainted: [W]=WARN
[   55.115916][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.116073][   T12] Workqueue: netns cleanup_net
[   55.116196][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.116349][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.117151][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.117497][   T12] RAX: 00000000ffffffa6 RBX: ff110000095d4740 RCX: 1ff4000000018eed
[   55.117848][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d47fc
[   55.118035][   T12] RBP: ff11000005e61000 R08: 1fe22000012ba901 R09: ff11000001aed1d0
[   55.118216][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.118467][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.118655][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.118870][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.119024][   T12] CR2: 00007f6cb5ee0574 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.119205][   T12] PKRU: 55555554
[   55.119294][   T12] Call Trace:
[   55.119444][   T12]  <TASK>
[   55.119507][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.119687][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.119840][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.120083][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.120201][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.120321][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.120529][   T12]  ? 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)
[   55.120649][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.120949][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.121071][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.121195][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.121315][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.121485][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.121610][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.121798][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.121950][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.122074][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.122265][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.122440][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.122572][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.122691][   T12]  kthread (kernel/kthread.c:436)
[   55.122851][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.123006][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.123126][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.123323][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.123524][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.123642][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.123761][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.137796][   T12] ------------[ cut here ]------------
| [   55.137994][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.138303][   T12] Modules linked in:
| [   55.138813][   T12] Tainted: [W]=WARN
[   55.139008][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.139225][   T12] Workqueue: netns cleanup_net
[   55.139527][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.139794][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.140385][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   55.140645][   T12] RAX: 00000000ffffffa6 RBX: ff1100001245c3c0 RCX: 1ff4000000018eae
[   55.140952][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001245c47c
[   55.141254][   T12] RBP: ff1100000a85c000 R08: 1fe220000248b891 R09: ff11000001aed1d0
[   55.141556][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   55.141843][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   55.142142][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.142437][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.142645][   T12] CR2: 000055acae5e0d5c CR3: 000000000fa9c004 CR4: 0000000000771ef0
[   55.142895][   T12] PKRU: 55555554
[   55.143040][   T12] Call Trace:
[   55.143184][   T12]  <TASK>
[   55.143299][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.143495][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   55.143677][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   55.143873][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   55.144052][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.144229][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   55.144454][   T12]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.144637][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   55.144816][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.145007][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.145189][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.145380][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   55.145559][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   55.145766][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.145958][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   55.146112][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.146290][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.146485][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.146668][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.146847][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.147036][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.147217][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.147407][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.147586][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.147770][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.147960][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.148137][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.148346][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.148593][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.148776][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.148971][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.149166][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.149407][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.149594][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.149780][   T12]  kthread (kernel/kthread.c:436)
[   55.149937][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.150150][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.150329][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.150522][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.150739][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.150934][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.151118][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.155625][   T12] ------------[ cut here ]------------
| [   55.155808][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.156131][   T12] Modules linked in:
| [   55.156651][   T12] Tainted: [W]=WARN
[   55.156801][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.157062][   T12] Workqueue: netns cleanup_net
[   55.157250][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.157695][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.158287][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   55.158615][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ba54c80 RCX: 1ff4000000018ea8
[   55.158926][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba54d3c
[   55.159228][   T12] RBP: ff1100000a85c000 R08: 1fe220000174a9a9 R09: ff11000001aed1d0
[   55.159540][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   55.159882][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.160187][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.160536][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.160804][   T12] CR2: 000055acae5e0d5c CR3: 000000000fa9c004 CR4: 0000000000771ef0
[   55.161115][   T12] PKRU: 55555554
[   55.161314][   T12] Call Trace:
[   55.161528][   T12]  <TASK>
[   55.161697][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.161940][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.162144][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.162391][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   55.162629][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   55.162872][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   55.163108][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.163347][   T12]  netif_change_flags (net/core/dev.c:9820)
[   55.163642][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   55.163888][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.164123][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   55.164325][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   55.164541][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.164776][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.165029][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.165272][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.165523][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.165757][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.166002][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.166239][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.166485][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.166770][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.167075][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.167366][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.167667][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.168031][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.168219][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.168425][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.168639][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.168854][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.169055][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.169239][   T12]  kthread (kernel/kthread.c:436)
[   55.169403][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.169620][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.169805][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.169999][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.170222][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.170418][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.170603][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.172807][   T12] ------------[ cut here ]------------
| [   55.172999][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.173312][   T12] Modules linked in:
| [   55.173836][   T12] Tainted: [W]=WARN
[   55.173994][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.174211][   T12] Workqueue: netns cleanup_net
[   55.174664][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.174988][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.175527][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   55.175754][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ba54040 RCX: 1ff4000000018ea8
[   55.176009][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba540fc
[   55.176258][   T12] RBP: ff1100000a85c000 R08: 1fe220000174a821 R09: ff11000001aed1d0
[   55.176524][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   55.176772][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.177032][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.177315][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.177545][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.177829][   T12] PKRU: 55555554
[   55.177984][   T12] Call Trace:
[   55.178133][   T12]  <TASK>
[   55.178250][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.178452][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.178604][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.178789][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   55.178993][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   55.179177][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.179375][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.179561][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.179748][   T12]  netif_change_flags (net/core/dev.c:9820)
[   55.179946][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   55.180128][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.180318][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   55.180488][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   55.180640][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.180826][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.181018][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.181204][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.181403][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.181590][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.181778][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.181975][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.182155][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.182342][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.182540][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.182720][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.182913][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.183100][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.183287][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.183488][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.183672][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.183861][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.184057][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.184245][   T12]  kthread (kernel/kthread.c:436)
[   55.184406][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.184624][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.184808][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.185004][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.185221][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.185419][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.185607][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.188250][   T12] ------------[ cut here ]------------
| [   55.188441][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.188747][   T12] Modules linked in:
| [   55.189245][   T12] Tainted: [W]=WARN
[   55.189404][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.189626][   T12] Workqueue: netns cleanup_net
[   55.189810][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.190035][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.190577][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   55.190794][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc1a740 RCX: 1ff4000000018eae
[   55.191049][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc1a7fc
[   55.191293][   T12] RBP: ff1100000f571000 R08: 1fe2200001783501 R09: ff11000001aed1d0
[   55.191551][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   55.191794][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   55.192052][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.192329][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.192617][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.192923][   T12] PKRU: 55555554
[   55.193121][   T12] Call Trace:
[   55.193340][   T12]  <TASK>
[   55.193521][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.193766][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   55.194010][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   55.194248][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   55.194490][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   55.194761][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.194998][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.195232][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.195479][   T12]  ? 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)
[   55.195712][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.195981][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   55.196211][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   55.196486][   T12]  ? 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)
[   55.196718][   T12]  ? 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)
[   55.196960][   T12]  ? 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)
[   55.197194][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.197440][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   55.197641][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.197882][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.198144][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.198404][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.198672][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.198910][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.199146][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.199393][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.199628][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.199858][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.200096][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.200331][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.200577][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.200810][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.201058][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.201292][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.201518][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.201706][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.201896][   T12]  kthread (kernel/kthread.c:436)
[   55.202044][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.202256][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.202451][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.202646][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.202858][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.203048][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.203233][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.215654][   T12] ------------[ cut here ]------------
| [   55.215841][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.216165][   T12] Modules linked in:
| [   55.216779][   T12] Tainted: [W]=WARN
[   55.216932][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.217148][   T12] Workqueue: netns cleanup_net
[   55.217346][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.217581][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.218113][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   55.218331][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc19000 RCX: 1ff4000000018ea8
[   55.218593][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc190bc
[   55.218844][   T12] RBP: ff1100000f571000 R08: 1fe2200001783219 R09: ff11000001aed1d0
[   55.219102][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   55.219367][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.219621][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.219912][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.220129][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.220395][   T12] PKRU: 55555554
[   55.220543][   T12] Call Trace:
[   55.220692][   T12]  <TASK>
[   55.220841][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.221038][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.221190][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.221384][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   55.221574][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   55.221794][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   55.221987][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.222170][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.222368][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.222553][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.222770][   T12]  netif_change_flags (net/core/dev.c:9820)
[   55.222967][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   55.223154][   T12]  ? 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)
[   55.223342][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   55.223507][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   55.223656][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.223845][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.224039][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.224229][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.224428][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.224613][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.224800][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.224990][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.225178][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.225378][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.225563][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.225748][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.225939][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.226130][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.226319][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.226517][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.226705][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.226905][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.227087][   T12]  kthread (kernel/kthread.c:436)
[   55.227239][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.227468][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.227660][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.227846][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.228073][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.228262][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.228462][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.230649][   T12] ------------[ cut here ]------------
| [   55.230828][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.231154][   T12] Modules linked in:
| [   55.231826][   T12] Tainted: [W]=WARN
[   55.231981][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.232199][   T12] Workqueue: netns cleanup_net
[   55.232401][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.232626][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.233155][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   55.233390][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ba54740 RCX: 1ff4000000018ea8
[   55.233637][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba547fc
[   55.233892][   T12] RBP: ff1100000f571000 R08: 1fe220000174a901 R09: ff11000001aed1d0
[   55.234141][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   55.234403][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.234655][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.234944][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.235160][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.235423][   T12] PKRU: 55555554
[   55.235573][   T12] Call Trace:
[   55.235720][   T12]  <TASK>
[   55.235838][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.236033][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.236185][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.236380][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   55.236567][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   55.236751][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.236946][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.237131][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.237323][   T12]  netif_change_flags (net/core/dev.c:9820)
[   55.237522][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   55.237708][   T12]  ? 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)
[   55.237903][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   55.238055][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   55.238206][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.238407][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.238594][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.238778][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.238970][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.239155][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.239339][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.239534][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.239719][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.239912][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.240093][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.240277][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.240483][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.240673][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.240874][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.241059][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.241248][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.241469][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.241655][   T12]  kthread (kernel/kthread.c:436)
[   55.241806][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.242030][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.242216][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.242412][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.242640][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.242833][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.243028][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.245751][   T12] ------------[ cut here ]------------
| [   55.245944][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.246244][   T12] Modules linked in:
| [   55.247389][   T12] Tainted: [W]=WARN
[   55.247599][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.247859][   T12] Workqueue: netns cleanup_net
[   55.248101][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.248383][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.248950][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.249211][   T12] RAX: 00000000ffffffa6 RBX: ff1100000de3d8c0 RCX: 1ff4000000018eaf
[   55.249514][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3d97c
[   55.249804][   T12] RBP: ff1100000f6b1000 R08: 1fe2200001bc7b31 R09: ff11000001aed1d0
[   55.250104][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.250406][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a85c000
[   55.250699][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.251026][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.251291][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.251596][   T12] PKRU: 55555554
[   55.251788][   T12] Call Trace:
[   55.251987][   T12]  <TASK>
[   55.252150][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.252403][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.252605][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.252836][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.253075][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.253330][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.253541][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.253724][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.253943][   T12]  ? 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)
[   55.254120][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.254330][   T12]  ? 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)
[   55.254521][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.254698][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.254913][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.255095][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.255286][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.255480][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.255673][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.255852][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.256040][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.256215][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.256408][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.256589][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.256763][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.256952][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.257134][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.257313][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.257507][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.257683][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.257871][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.258053][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.258230][   T12]  kthread (kernel/kthread.c:436)
[   55.258399][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.258612][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.258788][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.258973][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.259181][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.259370][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.259550][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.262126][   T12] ------------[ cut here ]------------
| [   55.262303][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.263089][   T12] Modules linked in:
| [   55.263700][   T12] Tainted: [W]=WARN
[   55.263915][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.264177][   T12] Workqueue: netns cleanup_net
[   55.264427][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.264697][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.265255][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.265534][   T12] RAX: 00000000ffffffa6 RBX: ff1100000de3d540 RCX: 1ff4000000018eaf
[   55.265824][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de3d5fc
[   55.266120][   T12] RBP: ff1100000a85c000 R08: 1fe2200001bc7ac1 R09: ff11000001aed1d0
[   55.266419][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.266708][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a961000
[   55.267006][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.267329][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.267603][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.267901][   T12] PKRU: 55555554
[   55.268094][   T12] Call Trace:
[   55.268290][   T12]  <TASK>
[   55.268469][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.268698][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.268933][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.269132][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.269352][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.269541][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.269750][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.269939][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.270119][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.270332][   T12]  ? 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)
[   55.270524][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.270732][   T12]  ? 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)
[   55.270912][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.271093][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.271308][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.271503][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.271682][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.271870][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.272050][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.272228][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.272425][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.272605][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.272788][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.272975][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.273151][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.273331][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.273534][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.273717][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.273910][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.274088][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.274269][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.274465][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.274643][   T12]  kthread (kernel/kthread.c:436)
[   55.274790][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.275004][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.275186][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.275382][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.275671][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.275851][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.276038][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.278516][   T12] ------------[ cut here ]------------
| [   55.278692][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.278996][   T12] Modules linked in:
| [   55.280017][   T12] Tainted: [W]=WARN
[   55.280222][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.280497][   T12] Workqueue: netns cleanup_net
[   55.280729][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.280997][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.281572][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.281831][   T12] RAX: 00000000ffffffa6 RBX: ff110000094bd380 RCX: 1ff4000000018eaf
[   55.282150][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094bd43c
[   55.282450][   T12] RBP: ff1100000a961000 R08: 1fe2200001297a89 R09: ff11000001aed1d0
[   55.282741][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.283035][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f48c000
[   55.283325][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.283663][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.283927][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.284219][   T12] PKRU: 55555554
[   55.284422][   T12] Call Trace:
[   55.284615][   T12]  <TASK>
[   55.284778][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.285015][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.285250][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.285456][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.285687][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.285923][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.286162][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.286337][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.286536][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.286761][   T12]  ? 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)
[   55.286950][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.287161][   T12]  ? 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)
[   55.287381][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.287556][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.287766][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.287958][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.288142][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.288320][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.288511][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.288693][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.288882][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.289061][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.289244][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.289436][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.289614][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.289794][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.289976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.290156][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.290340][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.290536][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.290721][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.290914][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.291090][   T12]  kthread (kernel/kthread.c:436)
[   55.291236][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.291459][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.291637][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.291819][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.292038][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.292215][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.292405][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.303925][   T12] ------------[ cut here ]------------
| [   55.304114][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.304435][   T12] Modules linked in:
| [   55.304931][   T12] Tainted: [W]=WARN
[   55.305075][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.305288][   T12] Workqueue: netns cleanup_net
[   55.305486][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.305702][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.306238][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.306466][   T12] RAX: 00000000ffffffa6 RBX: ff110000095d3c40 RCX: 1ff4000000018eaf
[   55.306707][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d3cfc
[   55.306958][   T12] RBP: ff1100000f48c000 R08: 1fe22000012ba7a1 R09: ff11000001aed1d0
[   55.307200][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.307514][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f571000
[   55.307908][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.308180][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.308406][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.308659][   T12] PKRU: 55555554
[   55.308804][   T12] Call Trace:
[   55.308986][   T12]  <TASK>
[   55.309102][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.309285][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.309478][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.309626][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.309805][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.309993][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.310198][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.310391][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.310571][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.310784][   T12]  ? 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)
[   55.310971][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.311179][   T12]  ? 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)
[   55.311370][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.311548][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.311762][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.311946][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.312125][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.312303][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.312496][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.312677][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.312855][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.313039][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.313215][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.313405][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.313579][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.313755][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.313939][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.314149][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.314332][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.314527][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.314709][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.314901][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.315080][   T12]  kthread (kernel/kthread.c:436)
[   55.315225][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.315447][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.315625][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.315807][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.316024][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.316203][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.316393][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.318469][   T12] ------------[ cut here ]------------
| [   55.318672][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.318972][   T12] Modules linked in:
| [   55.319778][   T12] Tainted: [W]=WARN
[   55.319926][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.320132][   T12] Workqueue: netns cleanup_net
[   55.320324][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.320552][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.321063][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.321273][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2f9a80 RCX: 1ff4000000018eaf
[   55.321524][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c2f9b3c
[   55.321764][   T12] RBP: ff1100000f571000 R08: 1fe220000185f369 R09: ff11000001aed1d0
[   55.322004][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.322243][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e791000
[   55.322500][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.322773][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.322993][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.323233][   T12] PKRU: 55555554
[   55.323389][   T12] Call Trace:
[   55.323535][   T12]  <TASK>
[   55.323648][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.323828][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.324013][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.324190][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.324381][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.324568][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.324774][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.324957][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.325137][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.325363][   T12]  ? 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)
[   55.325541][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.325745][   T12]  ? 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)
[   55.325928][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.326103][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.326312][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.326504][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.326684][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.326861][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.327046][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.327223][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.327414][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.327602][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.327801][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.327991][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.328168][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.328346][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.328535][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.328714][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.328902][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.329078][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.329261][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.329457][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.329632][   T12]  kthread (kernel/kthread.c:436)
[   55.329776][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.329989][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.330166][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.330346][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.330567][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.330744][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.330927][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.333239][   T12] ------------[ cut here ]------------
| [   55.333430][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.333726][   T12] Modules linked in:
| [   55.334212][   T12] Tainted: [W]=WARN
[   55.334860][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.335127][   T12] Workqueue: netns cleanup_net
[   55.335368][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.335631][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.336189][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.336481][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c5f9540 RCX: 1ff4000000018eaf
[   55.336795][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5f95fc
[   55.337087][   T12] RBP: ff1100000e791000 R08: 1fe22000018bf2c1 R09: ff11000001aed1d0
[   55.337389][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.337673][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a95c000
[   55.337967][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.338283][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.338593][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.338894][   T12] PKRU: 55555554
[   55.339086][   T12] Call Trace:
[   55.339277][   T12]  <TASK>
[   55.339452][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.339680][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.339916][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.340112][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.340341][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.340579][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.340869][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.341041][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.341218][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.341443][   T12]  ? 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)
[   55.341623][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.341832][   T12]  ? 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)
[   55.342017][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.342194][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.342419][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.342600][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.342779][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.342969][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.343149][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.343330][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.343522][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.343696][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.343886][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.344066][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.344246][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.344437][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.344610][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.344784][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.344974][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.345147][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.345327][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.345529][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.345705][   T12]  kthread (kernel/kthread.c:436)
[   55.345849][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.346065][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.346242][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.346433][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.346643][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.346833][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.347019][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.350207][   T12] ------------[ cut here ]------------
| [   55.350851][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.351220][   T12] Modules linked in:
| [   55.351819][   T12] Tainted: [W]=WARN
[   55.352019][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.352276][   T12] Workqueue: netns cleanup_net
[   55.352521][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.352787][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.353348][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.353665][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fa9e3c0 RCX: 1ff4000000018eaf
[   55.353958][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fa9e47c
[   55.354244][   T12] RBP: ff1100000a95c000 R08: 1fe2200001f53c91 R09: ff11000001aed1d0
[   55.354548][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.354836][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a94c000
[   55.355131][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.355457][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.355716][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.356014][   T12] PKRU: 55555554
[   55.356206][   T12] Call Trace:
[   55.356414][   T12]  <TASK>
[   55.356580][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.356807][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.357042][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.357277][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.357535][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.357711][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.357925][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.358104][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.358283][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.358506][   T12]  ? 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)
[   55.358682][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.358896][   T12]  ? 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)
[   55.359074][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.359250][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.359475][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.359656][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.359834][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.360019][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.360195][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.360388][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.360570][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.360748][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.360940][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.361119][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.361295][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.361489][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.361665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.361845][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.362034][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.362213][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.362407][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.362589][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.362766][   T12]  kthread (kernel/kthread.c:436)
[   55.362918][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.363129][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.363307][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.363501][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.363709][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.363893][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.364071][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.367203][   T12] ------------[ cut here ]------------
| [   55.367828][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.368188][   T12] Modules linked in:
| [   55.368783][   T12] Tainted: [W]=WARN
[   55.368984][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.369238][   T12] Workqueue: netns cleanup_net
[   55.369481][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.369746][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.370312][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.370583][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fb143c0 RCX: 1ff4000000018eaf
[   55.370875][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fb1447c
[   55.371160][   T12] RBP: ff1100000a94c000 R08: 1fe2200001f62891 R09: ff11000001aed1d0
[   55.371460][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.371745][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dec000
[   55.372038][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.372369][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.372627][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.372918][   T12] PKRU: 55555554
[   55.373138][   T12] Call Trace:
[   55.373330][   T12]  <TASK>
[   55.373505][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.373734][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.373961][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.374281][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.374616][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.374838][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.375095][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.375268][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.375460][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.375670][   T12]  ? 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)
[   55.375847][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.376061][   T12]  ? 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)
[   55.376236][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.376425][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.376630][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.376809][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.376996][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.377204][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.377392][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.377572][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.377752][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.377933][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.378112][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.378317][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.378506][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.378684][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.378859][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.379047][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.379229][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.379417][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.379597][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.379832][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.380041][   T12]  kthread (kernel/kthread.c:436)
[   55.380185][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.380404][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.380580][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.380837][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.381052][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.381228][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.381418][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.393595][   T12] ------------[ cut here ]------------
| [   55.393779][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.394086][   T12] Modules linked in:
| [   55.394892][   T12] Tainted: [W]=WARN
[   55.395033][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.395242][   T12] Workqueue: netns cleanup_net
[   55.395436][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.395648][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.396151][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.396370][   T12] RAX: 00000000ffffffa6 RBX: ff11000010284740 RCX: 1ff4000000018eaf
[   55.396606][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102847fc
[   55.396843][   T12] RBP: ff11000001dec000 R08: 1fe2200002050901 R09: ff11000001aed1d0
[   55.397087][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   55.397324][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   55.397572][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.397840][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.398054][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.398291][   T12] PKRU: 55555554
[   55.398446][   T12] Call Trace:
[   55.398590][   T12]  <TASK>
[   55.398702][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.398885][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.399060][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.399206][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.399393][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.399568][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.399770][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.399953][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.400132][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.400341][   T12]  ? 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)
[   55.400528][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.400734][   T12]  ? 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)
[   55.400911][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.401084][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.401289][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   55.401479][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.401655][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.401829][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.402008][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.402185][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.402379][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.402551][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.402729][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.402912][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.403084][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.403260][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.403446][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.403622][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.403800][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.403985][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.404170][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.404349][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.404540][   T12]  kthread (kernel/kthread.c:436)
[   55.404683][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.404897][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.405073][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.405249][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.405465][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.405641][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.405821][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.408388][   T12] ------------[ cut here ]------------
| [   55.408554][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.408843][   T12] Modules linked in:
| [   55.409315][   T12] Tainted: [W]=WARN
[   55.409696][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.409902][   T12] Workqueue: netns cleanup_net
[   55.410082][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.410286][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.410774][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.410989][   T12] RAX: 00000000ffffffa6 RBX: ff11000010285380 RCX: 1ff4000000018ed5
[   55.411216][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001028543c
[   55.411457][   T12] RBP: ff1100000f6b1000 R08: 1fe2200002050a89 R09: ff11000001aed1d0
[   55.411686][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.411921][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.412155][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.412430][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.412629][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.412860][   T12] PKRU: 55555554
[   55.413009][   T12] Call Trace:
[   55.413148][   T12]  <TASK>
[   55.413289][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.413511][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.413709][   T12]  ? 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)
[   55.413899][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.414100][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.414305][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.414494][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.414667][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.414838][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.415020][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.415194][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.415376][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.415551][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.415726][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.415901][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.416075][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.416247][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.416433][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.416620][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.416791][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.416975][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.417154][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.417324][   T12]  kthread (kernel/kthread.c:436)
[   55.417477][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.417675][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.417846][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.418025][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.418225][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.418411][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.418584][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.421580][   T12] ------------[ cut here ]------------
| [   55.421751][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.422045][   T12] Modules linked in:
| [   55.422522][   T12] Tainted: [W]=WARN
[   55.422662][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.422859][   T12] Workqueue: netns cleanup_net
[   55.423043][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.423251][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.423745][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.423957][   T12] RAX: 00000000ffffffa6 RBX: ff11000010285c40 RCX: 1ff4000000018ed5
[   55.424185][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010285cfc
[   55.424427][   T12] RBP: ff1100000a85c000 R08: 1fe2200002050ba1 R09: ff11000001aed1d0
[   55.424663][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.424901][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.425132][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.425404][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.425604][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.425846][   T12] PKRU: 55555554
[   55.425991][   T12] Call Trace:
[   55.426130][   T12]  <TASK>
[   55.426240][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.426459][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.426659][   T12]  ? 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)
[   55.426831][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.427003][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.427208][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.427422][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.427596][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.427766][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.427942][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.428113][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.428285][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.428469][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.428641][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.428809][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.428989][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.429160][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.429333][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.429525][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.429694][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.429878][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.430054][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.430226][   T12]  kthread (kernel/kthread.c:436)
[   55.430378][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.430581][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.430754][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.430936][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.431137][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.431307][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.431492][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.434375][   T12] ------------[ cut here ]------------
| [   55.434544][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.434830][   T12] Modules linked in:
| [   55.436004][   T12] Tainted: [W]=WARN
[   55.436191][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.436450][   T12] Workqueue: netns cleanup_net
[   55.436729][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.436994][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.437540][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.437785][   T12] RAX: 00000000ffffffa6 RBX: ff110000095d2580 RCX: 1ff4000000018ed5
[   55.438068][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d263c
[   55.438352][   T12] RBP: ff1100000a961000 R08: 1fe22000012ba4c9 R09: ff11000001aed1d0
[   55.438677][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.438957][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.439232][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.439558][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.439805][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.440093][   T12] PKRU: 55555554
[   55.440276][   T12] Call Trace:
[   55.440472][   T12]  <TASK>
[   55.440626][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.440882][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.441129][   T12]  ? 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)
[   55.441347][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.441637][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.441899][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.442151][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.442444][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.442684][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.442935][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.443108][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.443276][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.443464][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.443782][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.443961][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.444207][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.444395][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.444569][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.444929][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.445101][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.445303][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.445493][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.445688][   T12]  kthread (kernel/kthread.c:436)
[   55.445840][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.446125][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.446296][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.446483][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.446688][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.447017][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.447195][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.450870][   T12] ------------[ cut here ]------------
| [   55.451059][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.451426][   T12] Modules linked in:
| [   55.451992][   T12] Tainted: [W]=WARN
[   55.452182][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.452447][   T12] Workqueue: netns cleanup_net
[   55.452730][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.452994][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.453543][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.453790][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb0cac0 RCX: 1ff4000000018ed5
[   55.454073][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb0cb7c
[   55.454407][   T12] RBP: ff1100000f48c000 R08: 1fe2200001961971 R09: ff11000001aed1d0
[   55.454679][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.454959][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.455238][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.455561][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.455806][   T12] CR2: 000055acae5e0d5c CR3: 000000001914d002 CR4: 0000000000771ef0
[   55.456101][   T12] PKRU: 55555554
[   55.456286][   T12] Call Trace:
[   55.456479][   T12]  <TASK>
[   55.456637][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.456895][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.457137][   T12]  ? 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)
[   55.457369][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.457583][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.457834][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.458057][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.458272][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.458570][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.458839][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.459124][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.459399][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.459748][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.460097][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.460504][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.460770][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.461268][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.461523][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.461760][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.461980][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.462203][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.462434][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.462650][   T12]  kthread (kernel/kthread.c:436)
[   55.462835][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.463166][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.463401][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.463632][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.463889][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.464105][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.464330][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.474666][   T12] ------------[ cut here ]------------
| [   55.474805][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.475052][   T12] Modules linked in:
| [   55.475435][   T12] Tainted: [W]=WARN
[   55.475529][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.475688][   T12] Workqueue: netns cleanup_net
[   55.475813][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.475977][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.476407][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.476558][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb0d380 RCX: 1ff4000000018ed5
[   55.476737][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb0d43c
[   55.476917][   T12] RBP: ff1100000f571000 R08: 1fe2200001961a89 R09: ff11000001aed1d0
[   55.477099][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.477278][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.477464][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.477672][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.477822][   T12] CR2: 000055acb65eb190 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.478007][   T12] PKRU: 55555554
[   55.478097][   T12] Call Trace:
[   55.478185][   T12]  <TASK>
[   55.478249][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.478498][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.478645][   T12]  ? 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)
[   55.478764][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.478889][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.479043][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.479165][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.479287][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.479504][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.479625][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.479745][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.479868][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.479991][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.480110][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.480230][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.480460][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.480674][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.480795][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.480921][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.481040][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.481163][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.481287][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.481499][   T12]  kthread (kernel/kthread.c:436)
[   55.481592][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.481739][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.481857][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.481982][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.482132][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.482256][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.482469][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.492362][   T12] ------------[ cut here ]------------
| [   55.492511][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.492758][   T12] Modules linked in:
| [   55.493143][   T12] Tainted: [W]=WARN
[   55.493232][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.493462][   T12] Workqueue: netns cleanup_net
[   55.493590][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.493745][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.494171][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.494320][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb0c200 RCX: 1ff4000000018ed5
[   55.494549][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb0c2bc
[   55.494728][   T12] RBP: ff1100000e791000 R08: 1fe2200001961859 R09: ff11000001aed1d0
[   55.494908][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.495087][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.495266][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.495570][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.495718][   T12] CR2: 000055acb65eb190 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.495902][   T12] PKRU: 55555554
[   55.495992][   T12] Call Trace:
[   55.496098][   T12]  <TASK>
[   55.496165][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.496324][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.496569][   T12]  ? 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)
[   55.496688][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.496813][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.497128][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.497263][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.497485][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.497608][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.497727][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.497847][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.497970][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.498090][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.498212][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.498335][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.498566][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.498684][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.498803][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.498928][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.499045][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.499206][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.499327][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.499449][   T12]  kthread (kernel/kthread.c:436)
[   55.499541][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.499686][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.499804][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.499926][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.500074][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.500192][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.500312][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.503124][   T12] ------------[ cut here ]------------
| [   55.503262][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.503692][   T12] Modules linked in:
| [   55.504090][   T12] Tainted: [W]=WARN
[   55.504182][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.504330][   T12] Workqueue: netns cleanup_net
[   55.504557][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.504713][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.505245][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.505424][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df74c80 RCX: 1ff4000000018ed5
[   55.505608][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df74d3c
[   55.505783][   T12] RBP: ff1100000a95c000 R08: 1fe2200001bee9a9 R09: ff11000001aed1d0
[   55.505969][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.506142][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.506326][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.506580][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.507057][   T12] CR2: 000055acb65eb190 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.507263][   T12] PKRU: 55555554
[   55.507402][   T12] Call Trace:
[   55.507491][   T12]  <TASK>
[   55.507556][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.507707][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.507854][   T12]  ? 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)
[   55.507977][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.508096][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.508258][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.508413][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.508571][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.508692][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.508813][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.508941][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.509059][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.509180][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.509303][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.509425][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.509546][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.509668][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.509792][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.509920][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.510042][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.510165][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.510288][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.510414][   T12]  kthread (kernel/kthread.c:436)
[   55.510503][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.510654][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.510772][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.510897][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.511046][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.511165][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.511314][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.514130][   T12] ------------[ cut here ]------------
| [   55.514335][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.514662][   T12] Modules linked in:
| [   55.515035][   T12] Tainted: [W]=WARN
[   55.515124][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.515290][   T12] Workqueue: netns cleanup_net
[   55.515505][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.515660][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.516136][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.516291][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df75540 RCX: 1ff4000000018ed5
[   55.516529][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df755fc
[   55.516704][   T12] RBP: ff1100000a94c000 R08: 1fe2200001beeac1 R09: ff11000001aed1d0
[   55.516883][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.517058][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.517242][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.517517][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.517670][   T12] CR2: 000055acb65eb190 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.517853][   T12] PKRU: 55555554
[   55.517945][   T12] Call Trace:
[   55.518036][   T12]  <TASK>
[   55.518099][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.518250][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.519066][   T12]  ? 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)
[   55.519188][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.519308][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.519505][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.519629][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.519748][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.519877][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.519995][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.520115][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.520232][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.520398][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.520539][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.520689][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.520809][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.520929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.521050][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.521172][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.521290][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.521463][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.521612][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.521729][   T12]  kthread (kernel/kthread.c:436)
[   55.521819][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.521971][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.522089][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.522212][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.522409][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.522566][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.522692][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.527436][   T12] ------------[ cut here ]------------
| [   55.527582][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.527818][   T12] Modules linked in:
| [   55.528205][   T12] Tainted: [W]=WARN
[   55.528296][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.528449][   T12] Workqueue: netns cleanup_net
[   55.528572][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.528725][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.529185][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   55.529334][   T12] RAX: 00000000ffffffa6 RBX: ff110000095d3380 RCX: 1ff4000000018ed5
[   55.529600][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d343c
[   55.529775][   T12] RBP: ff11000001dec000 R08: 1fe22000012ba689 R09: ff11000001aed1d0
[   55.529983][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.530169][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.530345][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.530636][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.530943][   T12] CR2: 000055acb65eb190 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.531233][   T12] PKRU: 55555554
[   55.531334][   T12] Call Trace:
[   55.531516][   T12]  <TASK>
[   55.531579][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.531781][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.531936][   T12]  ? 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)
[   55.532054][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.532170][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   55.532322][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.532488][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.532624][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.532742][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.532870][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.532990][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.533109][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.533234][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.533399][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.533516][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.533636][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.533754][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.533880][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.534001][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.534123][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.534245][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.534412][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.534555][   T12]  kthread (kernel/kthread.c:436)
[   55.534644][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.534801][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.534923][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.535046][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.535192][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.535308][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.535495][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.574064][   T12] ------------[ cut here ]------------
| [   55.574237][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.574489][   T12] Modules linked in:
| [   55.574857][   T12] Tainted: [W]=WARN
[   55.574952][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.575099][   T12] Workqueue: netns cleanup_net
[   55.575223][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.575383][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.575807][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.575958][   T12] RAX: 00000000ffffffa6 RBX: ff110000102e6ac0 RCX: 1ff4000000018eed
[   55.576130][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102e6b7c
[   55.576311][   T12] RBP: ff1100000fc7c000 R08: 1fe220000205cd71 R09: ff11000001aed1d0
[   55.576522][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.576703][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.576886][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.577091][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.577239][   T12] CR2: 00007f6a6b6b755f CR3: 000000001914d001 CR4: 0000000000771ef0
[   55.577430][   T12] PKRU: 55555554
[   55.577519][   T12] Call Trace:
[   55.577606][   T12]  <TASK>
[   55.577668][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.577818][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.577967][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.578087][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.578209][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.578326][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.578450][   T12]  ? 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)
[   55.578571][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.578689][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.578806][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.578927][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.579076][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.579201][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.579324][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.579452][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.579575][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.579691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.579810][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.579945][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.580062][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.580181][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.580302][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.580422][   T12]  kthread (kernel/kthread.c:436)
[   55.580512][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.580658][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.580777][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.580900][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.581046][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.581163][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.581282][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.583557][   T12] ------------[ cut here ]------------
| [   55.583680][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.583917][   T12] Modules linked in:
| [   55.584281][   T12] Tainted: [W]=WARN
[   55.584628][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.584776][   T12] Workqueue: netns cleanup_net
[   55.584906][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.585066][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.585498][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.585646][   T12] RAX: 00000000ffffffa6 RBX: ff110000102e6040 RCX: 1ff4000000018eed
[   55.585829][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102e60fc
[   55.586020][   T12] RBP: ff11000009aac000 R08: 1fe220000205cc21 R09: ff11000001aed1d0
[   55.586196][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.586375][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.586551][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.586757][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.586970][   T12] CR2: 00007f6a6b6b755f CR3: 000000001914d001 CR4: 0000000000771ef0
[   55.587149][   T12] PKRU: 55555554
[   55.587238][   T12] Call Trace:
[   55.587325][   T12]  <TASK>
[   55.587393][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.587543][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.587735][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.587861][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.587985][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.588103][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.588224][   T12]  ? 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)
[   55.588345][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.588499][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.588830][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.588952][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.589070][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.589190][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.589308][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.589435][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.589559][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.589808][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.589933][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.590056][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.590174][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.590325][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.590459][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.590617][   T12]  kthread (kernel/kthread.c:436)
[   55.590709][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.590855][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.590979][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.591096][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.591251][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.591403][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.591530][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.593771][   T12] ------------[ cut here ]------------
| [   55.593901][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.594152][   T12] Modules linked in:
| [   55.594518][   T12] Tainted: [W]=WARN
[   55.594609][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.594757][   T12] Workqueue: netns cleanup_net
[   55.594887][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.595041][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.595469][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.595618][   T12] RAX: 00000000ffffffa6 RBX: ff110000102ebe00 RCX: 1ff4000000018eed
[   55.595795][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102ebebc
[   55.595976][   T12] RBP: ff11000009b19000 R08: 1fe220000205d7d9 R09: ff11000001aed1d0
[   55.596154][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.596332][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.596535][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.596747][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.596906][   T12] CR2: 00007f6a6b6b755f CR3: 000000001914d001 CR4: 0000000000771ef0
[   55.597121][   T12] PKRU: 55555554
[   55.597210][   T12] Call Trace:
[   55.597299][   T12]  <TASK>
[   55.597367][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.597520][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.597667][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.597787][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.597914][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.598036][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.598178][   T12]  ? 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)
[   55.598300][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.598432][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.598550][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.598667][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.598786][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.598916][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.599053][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.599176][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.599294][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.599418][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.599537][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.599661][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.599781][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.599916][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.600038][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.600160][   T12]  kthread (kernel/kthread.c:436)
[   55.600249][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.600403][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.600524][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.600663][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.600817][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.600947][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.601068][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.603072][   T12] ------------[ cut here ]------------
| [   55.603189][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.603467][   T12] Modules linked in:
| [   55.603820][   T12] Tainted: [W]=WARN
[   55.603965][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.604118][   T12] Workqueue: netns cleanup_net
[   55.604242][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.604401][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.604826][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.604981][   T12] RAX: 00000000ffffffa6 RBX: ff110000102ebc40 RCX: 1ff4000000018eed
[   55.605161][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102ebcfc
[   55.605356][   T12] RBP: ff11000011d44000 R08: 1fe220000205d7a1 R09: ff11000001aed1d0
[   55.605537][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.605722][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.605905][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.606112][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.606262][   T12] CR2: 00007f6a6b6b755f CR3: 000000001914d001 CR4: 0000000000771ef0
[   55.606469][   T12] PKRU: 55555554
[   55.606782][   T12] Call Trace:
[   55.606872][   T12]  <TASK>
[   55.606934][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.607082][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.607227][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.607347][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.607472][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.607591][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.607725][   T12]  ? 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)
[   55.607844][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.607967][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.608086][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.608201][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.608320][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.608449][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.608573][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.608695][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.608815][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.608936][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.609066][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.609188][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.609306][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.609433][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.609555][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.609676][   T12]  kthread (kernel/kthread.c:436)
[   55.609763][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.609915][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.610034][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.610153][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.610299][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.610422][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.610541][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.612688][   T12] ------------[ cut here ]------------
| [   55.612818][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.613129][   T12] Modules linked in:
| [   55.613569][   T12] Tainted: [W]=WARN
[   55.613659][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.613806][   T12] Workqueue: netns cleanup_net
[   55.613935][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.614087][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.614600][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.614753][   T12] RAX: 00000000ffffffa6 RBX: ff110000102eb540 RCX: 1ff4000000018eed
[   55.614931][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102eb5fc
[   55.615112][   T12] RBP: ff11000011d2c000 R08: 1fe220000205d6c1 R09: ff11000001aed1d0
[   55.615291][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.616490][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.616673][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.616885][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.617031][   T12] CR2: 00007f6a6b6b755f CR3: 000000001914d001 CR4: 0000000000771ef0
[   55.617225][   T12] PKRU: 55555554
[   55.617314][   T12] Call Trace:
[   55.617449][   T12]  <TASK>
[   55.617536][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.617688][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.617838][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.617963][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.618085][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.618207][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.618330][   T12]  ? 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)
[   55.618495][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.618615][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.618732][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.618848][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.618974][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.619094][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.619216][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.619339][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.619508][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.619626][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.619744][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.619870][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.619989][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.620111][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.620245][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.620426][   T12]  kthread (kernel/kthread.c:436)
[   55.620515][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.620662][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.620780][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.620904][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.621052][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.621175][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.621294][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.624980][   T12] ------------[ cut here ]------------
| [   55.625126][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.625382][   T12] Modules linked in:
| [   55.625758][   T12] Tainted: [W]=WARN
[   55.625846][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.626015][   T12] Workqueue: netns cleanup_net
[   55.626138][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.626291][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.626731][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.626883][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b8200 RCX: 1ff4000000018eed
[   55.627057][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b82bc
[   55.627230][   T12] RBP: ff1100000e65c000 R08: 1fe2200002037059 R09: ff11000001aed1d0
[   55.627462][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.627636][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.627836][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.628057][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.628208][   T12] CR2: 000055acb65eb190 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.628491][   T12] PKRU: 55555554
[   55.628579][   T12] Call Trace:
[   55.628677][   T12]  <TASK>
[   55.628739][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.628961][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.629112][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.629234][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.629376][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.629496][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.629617][   T12]  ? 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)
[   55.629739][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.629861][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.629988][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.630107][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.630228][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.630397][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.630519][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.630645][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.630767][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.630891][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.631013][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.631137][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.631263][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.631454][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.631578][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.631697][   T12]  kthread (kernel/kthread.c:436)
[   55.631788][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.631941][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.632062][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.632185][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.632339][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.632527][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.632647][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.636394][   T12] ------------[ cut here ]------------
| [   55.636530][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.636770][   T12] Modules linked in:
| [   55.637141][   T12] Tainted: [W]=WARN
[   55.637232][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.637388][   T12] Workqueue: netns cleanup_net
[   55.637517][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.637678][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.638114][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.638270][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b8900 RCX: 1ff4000000018eed
[   55.638453][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b89bc
[   55.638629][   T12] RBP: ff110000097e1000 R08: 1fe2200002037139 R09: ff11000001aed1d0
[   55.638807][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.638985][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.639187][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.639500][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.639648][   T12] CR2: 000055acb65eb190 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.639826][   T12] PKRU: 55555554
[   55.639922][   T12] Call Trace:
[   55.640013][   T12]  <TASK>
[   55.640076][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.640227][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.640464][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.640590][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.640709][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.640826][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.640948][   T12]  ? 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)
[   55.641066][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.641185][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.641302][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.641507][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.641631][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.641755][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.641895][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.642013][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.642134][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.642250][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.642458][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.642581][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.642705][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.642834][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.642962][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.643083][   T12]  kthread (kernel/kthread.c:436)
[   55.643171][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.643314][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.643523][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.643645][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.643792][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.643933][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.644055][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.647091][   T12] ------------[ cut here ]------------
| [   55.647236][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.647475][   T12] Modules linked in:
| [   55.647858][   T12] Tainted: [W]=WARN
[   55.647955][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.648105][   T12] Workqueue: netns cleanup_net
[   55.648229][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.648394][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.648821][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.648976][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b9000 RCX: 1ff4000000018eed
[   55.649154][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b90bc
[   55.649329][   T12] RBP: ff1100000a8d4000 R08: 1fe2200002037219 R09: ff11000001aed1d0
[   55.649510][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.649687][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.649871][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.650081][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.650230][   T12] CR2: 000055acb65eb190 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.650460][   T12] PKRU: 55555554
[   55.650549][   T12] Call Trace:
[   55.650637][   T12]  <TASK>
[   55.650699][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.650849][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.651045][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.651164][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.651284][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.651449][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.651572][   T12]  ? 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)
[   55.651691][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.651816][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.651941][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.652060][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.652179][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.652302][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.652466][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.652630][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.652752][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.652874][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.652993][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.653113][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.653229][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.653408][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.653529][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.653645][   T12]  kthread (kernel/kthread.c:436)
[   55.653733][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.653883][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.653999][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.654115][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.654260][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.654422][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.654539][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.658205][   T12] ------------[ cut here ]------------
| [   55.658402][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.658667][   T12] Modules linked in:
| [   55.659037][   T12] Tainted: [W]=WARN
[   55.659129][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.659274][   T12] Workqueue: netns cleanup_net
[   55.659401][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.659571][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.659991][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.660138][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b9380 RCX: 1ff4000000018eed
[   55.660317][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b943c
[   55.660589][   T12] RBP: ff1100000ed51000 R08: 1fe2200002037289 R09: ff11000001aed1d0
[   55.660763][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.660966][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.661148][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.661352][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.661592][   T12] CR2: 000055acb65eb190 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.661790][   T12] PKRU: 55555554
[   55.661892][   T12] Call Trace:
[   55.661980][   T12]  <TASK>
[   55.662042][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.662191][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.662336][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.662564][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.662686][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.662806][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.662929][   T12]  ? 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)
[   55.663051][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.663170][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.663288][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.663499][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.663621][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.663753][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.663879][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.663997][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.664120][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.664280][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.664514][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.664635][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.664752][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.664880][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.665002][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.665125][   T12]  kthread (kernel/kthread.c:436)
[   55.665213][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.665453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.665592][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.665708][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.665860][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.665982][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.666099][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.674272][   T12] ------------[ cut here ]------------
| [   55.674461][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.674744][   T12] Modules linked in:
| [   55.675236][   T12] Tainted: [W]=WARN
[   55.675395][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.675598][   T12] Workqueue: netns cleanup_net
[   55.675771][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.675986][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.676467][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.676692][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b9700 RCX: 1ff4000000018eed
[   55.676931][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b97bc
[   55.677159][   T12] RBP: ff1100000ef21000 R08: 1fe22000020372f9 R09: ff11000001aed1d0
[   55.677396][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.677623][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.677884][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.678144][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.678341][   T12] CR2: 00007f3fc75eb000 CR3: 00000000055c6006 CR4: 0000000000771ef0
[   55.678582][   T12] PKRU: 55555554
[   55.678717][   T12] Call Trace:
[   55.678855][   T12]  <TASK>
[   55.678974][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.679179][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.679387][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.679580][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.679749][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.679925][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.680093][   T12]  ? 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)
[   55.680261][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.680445][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.680616][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.680783][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.680962][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.681129][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.681298][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.681478][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.681646][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.681817][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.681994][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.682165][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.682332][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.682517][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.682691][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.682857][   T12]  kthread (kernel/kthread.c:436)
[   55.683004][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.683232][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.683414][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.683581][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.683776][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.683952][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.684121][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.686757][   T12] ------------[ cut here ]------------
| [   55.686931][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.687207][   T12] Modules linked in:
| [   55.688426][   T12] Tainted: [W]=WARN
[   55.688575][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.688770][   T12] Workqueue: netns cleanup_net
[   55.688965][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.689168][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.689658][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.689855][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b9e00 RCX: 1ff4000000018eed
[   55.690085][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b9ebc
[   55.690312][   T12] RBP: ff1100000f66c000 R08: 1fe22000020373d9 R09: ff11000001aed1d0
[   55.690550][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.690774][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.691003][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.691261][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.691469][   T12] CR2: 00007f3fc75eb000 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.691695][   T12] PKRU: 55555554
[   55.691832][   T12] Call Trace:
[   55.691973][   T12]  <TASK>
[   55.692081][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.692284][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.692488][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.692656][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.692823][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.692997][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.693164][   T12]  ? 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)
[   55.693335][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.693516][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.693685][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.693881][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.694051][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.694220][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.694400][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.694567][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.694735][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.694911][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.695080][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.695250][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.695429][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.695601][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.695772][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.695958][   T12]  kthread (kernel/kthread.c:436)
[   55.696098][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.696324][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.696512][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.696684][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.696890][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.697058][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.697229][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.699822][   T12] ------------[ cut here ]------------
| [   55.699995][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.700277][   T12] Modules linked in:
| [   55.700742][   T12] Tainted: [W]=WARN
[   55.700886][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.701085][   T12] Workqueue: netns cleanup_net
[   55.701255][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.701469][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.701940][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.702138][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5cc040 RCX: 1ff4000000018eed
[   55.702399][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5cc0fc
[   55.702652][   T12] RBP: ff1100000ed4c000 R08: 1fe2200001ab9821 R09: ff11000001aed1d0
[   55.702882][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.703113][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.703344][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.703613][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.703808][   T12] CR2: 00007f3fc75eb000 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.704043][   T12] PKRU: 55555554
[   55.704179][   T12] Call Trace:
[   55.704314][   T12]  <TASK>
[   55.704434][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.704657][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.704854][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.705044][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.705212][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.705391][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.705584][   T12]  ? 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)
[   55.705755][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.705931][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.706096][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.706259][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.706436][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.706604][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.706803][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.706974][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.707140][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.707307][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.707488][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.707659][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.707828][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.708007][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.708179][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.708371][   T12]  kthread (kernel/kthread.c:436)
[   55.708514][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.708713][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.708889][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.709054][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.709248][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.709431][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.709596][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.712195][   T12] ------------[ cut here ]------------
| [   55.712385][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.712663][   T12] Modules linked in:
| [   55.713146][   T12] Tainted: [W]=WARN
[   55.713283][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.713494][   T12] Workqueue: netns cleanup_net
[   55.713664][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.713874][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.714393][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.714594][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5cc740 RCX: 1ff4000000018eed
[   55.714818][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5cc7fc
[   55.715048][   T12] RBP: ff1100000aa29000 R08: 1fe2200001ab9901 R09: ff11000001aed1d0
[   55.715274][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.715519][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.715744][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.716006][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.716205][   T12] CR2: 00007f3fc75eb000 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.716466][   T12] PKRU: 55555554
[   55.716604][   T12] Call Trace:
[   55.716738][   T12]  <TASK>
[   55.716847][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.717056][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.717281][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.717467][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.717635][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.717801][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.717975][   T12]  ? 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)
[   55.718147][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.718316][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.718493][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.718657][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.718824][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.719002][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.719179][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.719344][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.719527][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.719694][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.719872][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.720051][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.720219][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.720408][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.720580][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.720750][   T12]  kthread (kernel/kthread.c:436)
[   55.720897][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.721123][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.721298][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.721483][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.721695][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.721901][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.722070][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.724539][   T12] ------------[ cut here ]------------
| [   55.724703][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.725037][   T12] Modules linked in:
| [   55.725511][   T12] Tainted: [W]=WARN
[   55.725730][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.725932][   T12] Workqueue: netns cleanup_net
[   55.726125][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.726335][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.726815][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.727137][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5ccac0 RCX: 1ff4000000018eed
[   55.727385][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5ccb7c
[   55.727613][   T12] RBP: ff1100000aa81000 R08: 1fe2200001ab9971 R09: ff11000001aed1d0
[   55.727939][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.728168][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.728482][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.728735][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.728936][   T12] CR2: 00007f3fc75eb000 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.729199][   T12] PKRU: 55555554
[   55.729341][   T12] Call Trace:
[   55.729565][   T12]  <TASK>
[   55.729674][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.729880][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.730143][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.730309][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.730501][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.730745][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.730924][   T12]  ? 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)
[   55.731099][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.731271][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.731527][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.731697][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.731876][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.732052][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.732326][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.732507][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.732684][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.732855][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.733108][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.733285][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.733542][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.733859][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.734049][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.734292][   T12]  kthread (kernel/kthread.c:436)
[   55.734587][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.734790][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.734969][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.735141][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.735345][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.735531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.735708][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.738603][   T12] ------------[ cut here ]------------
| [   55.738840][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.739134][   T12] Modules linked in:
| [   55.739615][   T12] Tainted: [W]=WARN
[   55.739753][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.739958][   T12] Workqueue: netns cleanup_net
[   55.740133][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.740339][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.740835][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.741114][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5cce40 RCX: 1ff4000000018eed
[   55.741427][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5ccefc
[   55.741657][   T12] RBP: ff1100000aa21000 R08: 1fe2200001ab99e1 R09: ff11000001aed1d0
[   55.741897][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.742196][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.742539][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.742799][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.743077][   T12] CR2: 00007f3fc75eb000 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.743306][   T12] PKRU: 55555554
[   55.743457][   T12] Call Trace:
[   55.743594][   T12]  <TASK>
[   55.743706][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.743945][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.744147][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.744404][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.744608][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.744778][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.745101][   T12]  ? 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)
[   55.745276][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.745495][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.745670][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.745919][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.746096][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.746271][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.746528][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.746768][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.746944][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.747117][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.747293][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.747481][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.747651][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.747825][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.748009][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.748209][   T12]  kthread (kernel/kthread.c:436)
[   55.748364][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.748567][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.748739][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.748914][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.749114][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.749285][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.749467][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.752697][   T12] ------------[ cut here ]------------
| [   55.752875][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.753166][   T12] Modules linked in:
| [   55.753733][   T12] Tainted: [W]=WARN
[   55.753880][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.754083][   T12] Workqueue: netns cleanup_net
[   55.754259][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.754493][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.754993][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.755196][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5cd540 RCX: 1ff4000000018eed
[   55.755514][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5cd5fc
[   55.755748][   T12] RBP: ff1100000e6a1000 R08: 1fe2200001ab9ac1 R09: ff11000001aed1d0
[   55.756058][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.756288][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.756530][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.756876][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.757077][   T12] CR2: 00007f3fc75eb000 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.757309][   T12] PKRU: 55555554
[   55.757536][   T12] Call Trace:
[   55.757675][   T12]  <TASK>
[   55.757786][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.758001][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.758206][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.758391][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.758563][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.758747][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.758929][   T12]  ? 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)
[   55.759104][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.759277][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.759465][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.759706][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.759885][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.760057][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.760305][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.760504][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.760678][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.760847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.761030][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.761278][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.761467][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.761645][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.761822][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.762003][   T12]  kthread (kernel/kthread.c:436)
[   55.762146][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.762348][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.763405][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.763584][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.763785][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.763964][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.764138][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.767252][   T12] ------------[ cut here ]------------
| [   55.767837][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.768182][   T12] Modules linked in:
| [   55.768754][   T12] Tainted: [W]=WARN
[   55.768946][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.769196][   T12] Workqueue: netns cleanup_net
[   55.769431][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.769684][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.770233][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.770493][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5cdc40 RCX: 1ff4000000018eed
[   55.770766][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5cdcfc
[   55.771062][   T12] RBP: ff1100000edb1000 R08: 1fe2200001ab9ba1 R09: ff11000001aed1d0
[   55.771338][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.771625][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.771909][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.772221][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.772481][   T12] CR2: 00007f3fc75eb000 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.772762][   T12] PKRU: 55555554
[   55.772956][   T12] Call Trace:
[   55.773140][   T12]  <TASK>
[   55.773343][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.773771][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.774077][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.774348][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.774730][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.775034][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.775280][   T12]  ? 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)
[   55.775570][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.775788][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.776016][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.776239][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.776473][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.776692][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.776917][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.777136][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.777372][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.777588][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.777812][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.778045][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.778264][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.778499][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.778722][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.779022][   T12]  kthread (kernel/kthread.c:436)
[   55.779217][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.779549][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.779771][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.779998][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.780248][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.780483][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.780701][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.786652][   T12] ------------[ cut here ]------------
| [   55.786792][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.787046][   T12] Modules linked in:
| [   55.788179][   T12] Tainted: [W]=WARN
[   55.788276][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.788521][   T12] Workqueue: netns cleanup_net
[   55.788649][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.788808][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.789251][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.789499][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bdfe040 RCX: 1ff4000000018eed
[   55.789681][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdfe0fc
[   55.789860][   T12] RBP: ff1100000e6ac000 R08: 1fe22000017bfc21 R09: ff11000001aed1d0
[   55.790045][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   55.790227][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.790506][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.790725][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.790882][   T12] CR2: 00007fea8e5f8680 CR3: 000000001914d003 CR4: 0000000000771ef0
[   55.791065][   T12] PKRU: 55555554
[   55.791155][   T12] Call Trace:
[   55.791245][   T12]  <TASK>
[   55.791308][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.791557][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.791712][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.791834][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.791963][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.792085][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.792207][   T12]  ? 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)
[   55.792330][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.792541][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.792668][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.792790][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.792918][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.793042][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.793165][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.793286][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.793501][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.793622][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.793745][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.793874][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.793998][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.794125][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.794251][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.794462][   T12]  kthread (kernel/kthread.c:436)
[   55.794554][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.794708][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.794829][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.794954][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.795107][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.795229][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.795449][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.817219][   T12] ------------[ cut here ]------------
| [   55.817383][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.817629][   T12] Modules linked in:
| [   55.818009][   T12] Tainted: [W]=WARN
[   55.818102][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.818252][   T12] Workqueue: netns cleanup_net
[   55.818388][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.818549][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.818992][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.819144][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bdfe3c0 RCX: 1ff4000000018eed
[   55.819325][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdfe47c
[   55.819515][   T12] RBP: ff1100000e6c4000 R08: 1fe22000017bfc91 R09: ff11000001aed1d0
[   55.819698][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.819882][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.820082][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   55.820300][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.820457][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.820644][   T12] PKRU: 55555554
[   55.820737][   T12] Call Trace:
[   55.820830][   T12]  <TASK>
[   55.820899][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.821062][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.821218][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.821344][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.821474][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.821598][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.821719][   T12]  ? 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)
[   55.821841][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.821967][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.822088][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.822207][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.822329][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.822456][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.822578][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.822698][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.822826][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.822955][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.823078][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.823210][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.823333][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.823463][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.823588][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.823709][   T12]  kthread (kernel/kthread.c:436)
[   55.823801][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.823956][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.824080][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.824212][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.824368][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.824494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.824614][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.826617][   T12] ------------[ cut here ]------------
| [   55.826748][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.826994][   T12] Modules linked in:
| [   55.827366][   T12] Tainted: [W]=WARN
[   55.827457][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.827612][   T12] Workqueue: netns cleanup_net
[   55.827738][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.827898][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.828329][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   55.828489][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bdfe740 RCX: 1ff4000000018eed
[   55.828669][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdfe7fc
[   55.828848][   T12] RBP: ff1100000e6d4000 R08: 1fe22000017bfd01 R09: ff11000001aed1d0
[   55.829033][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.829213][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.829399][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   55.829611][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.829763][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.829949][   T12] PKRU: 55555554
[   55.830039][   T12] Call Trace:
[   55.830135][   T12]  <TASK>
[   55.830198][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   55.830357][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.830508][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   55.830631][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   55.830754][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.830875][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   55.830997][   T12]  ? 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)
[   55.831119][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   55.831241][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.831367][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.831489][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.831612][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.831735][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.831856][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.831981][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.832103][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.832223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.832355][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.832487][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.832610][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.832740][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.832869][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.832990][   T12]  kthread (kernel/kthread.c:436)
[   55.833081][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.833231][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.833358][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.833482][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.833632][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.833758][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.833886][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.855788][   T12] ------------[ cut here ]------------
| [   55.855957][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.856219][   T12] Modules linked in:
| [   55.856614][   T12] Tainted: [W]=WARN
[   55.856711][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.856874][   T12] Workqueue: netns cleanup_net
[   55.857006][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.857172][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.857633][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   55.857795][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bdfe900 RCX: 1ff4000000018eae
[   55.857989][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdfe9bc
[   55.858179][   T12] RBP: ff1100000f6c1000 R08: 1fe22000017bfd39 R09: ff11000001aed1d0
[   55.858428][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   55.858621][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   55.858812][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   55.859040][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.859201][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.859462][   T12] PKRU: 55555554
[   55.859560][   T12] Call Trace:
[   55.859657][   T12]  <TASK>
[   55.859729][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.859857][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   55.859990][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   55.860122][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   55.860252][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.860423][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   55.860583][   T12]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.860712][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   55.860841][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.860973][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.861100][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.861231][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   55.861365][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   55.861525][   T12]  ? 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)
[   55.861654][   T12]  ? 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)
[   55.861782][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.861913][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   55.862014][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.862146][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.862277][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.862413][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.862543][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.862674][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.862804][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.862938][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.863067][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.863199][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.863328][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.863461][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.863589][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.863720][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.863848][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.863984][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.864116][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.864246][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.864385][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.864518][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.864647][   T12]  kthread (kernel/kthread.c:436)
[   55.864745][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.864909][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.865039][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.865171][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.865333][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.865467][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.865598][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.869038][   T12] ------------[ cut here ]------------
| [   55.869192][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   55.869469][   T12] Modules linked in:
| [   55.869878][   T12] Tainted: [W]=WARN
[   55.869978][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.870145][   T12] Workqueue: netns cleanup_net
[   55.870282][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.870460][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.870939][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   55.871113][   T12] RAX: 00000000ffffffa6 RBX: ff11000009395c40 RCX: 1ff4000000018ea8
[   55.871312][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009395cfc
[   55.871515][   T12] RBP: ff1100000f6c1000 R08: 1fe2200001272ba1 R09: ff11000001aed1d0
[   55.871715][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   55.871915][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.872116][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   55.872347][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.872572][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   55.872773][   T12] PKRU: 55555554
[   55.872875][   T12] Call Trace:
[   55.872974][   T12]  <TASK>
[   55.873043][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.873177][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.873279][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.873466][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   55.873605][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   55.873738][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   55.873875][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.874013][   T12]  netif_change_flags (net/core/dev.c:9820)
[   55.874147][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   55.874280][   T12]  ? 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)
[   55.874468][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   55.874573][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   55.874727][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.874868][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.875003][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.875138][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.875272][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.875458][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.875591][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.875725][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.875857][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.875996][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.876131][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.876264][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.876447][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.876582][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.876717][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.876852][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.876993][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.877125][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.877262][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.877450][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.877583][   T12]  kthread (kernel/kthread.c:436)
[   55.877684][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.877851][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.877987][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.878120][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.878287][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.878485][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.878620][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.880397][   T12] ------------[ cut here ]------------
| [   55.880576][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   55.880889][   T12] Modules linked in:
| [   55.881406][   T12] Tainted: [W]=WARN
[   55.881554][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.881769][   T12] Workqueue: netns cleanup_net
[   55.881963][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.882190][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.882722][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   55.882944][   T12] RAX: 00000000ffffffa6 RBX: ff11000009394900 RCX: 1ff4000000018ea8
[   55.883192][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000093949bc
[   55.883464][   T12] RBP: ff1100000f6c1000 R08: 1fe2200001272939 R09: ff11000001aed1d0
[   55.883710][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   55.883966][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.884213][   T12] FS:  0000000000000000(0000) GS:ff110000bc5c7000(0000) knlGS:0000000000000000
[   55.884507][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.884722][   T12] CR2: 00007f3fc75eb000 CR3: 000000001914d004 CR4: 0000000000771ef0
[   55.884986][   T12] PKRU: 55555554
[   55.885133][   T12] Call Trace:
[   55.885280][   T12]  <TASK>
[   55.885407][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.885597][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.885747][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.885934][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   55.886118][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   55.886300][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.886499][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.886682][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.886875][   T12]  netif_change_flags (net/core/dev.c:9820)
[   55.887064][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   55.887246][   T12]  ? 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)
[   55.887440][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   55.887592][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   55.887742][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.887936][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.888122][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.888307][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.888504][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.888690][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.888882][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.889065][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.889246][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.889453][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.889647][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.889834][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.890020][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.890205][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.890398][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.890583][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.890769][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.890960][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.891154][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.891342][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.891538][   T12]  kthread (kernel/kthread.c:436)
[   55.891689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.891909][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.892093][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.892276][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.892508][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.892692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.892881][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.896089][   T12] ------------[ cut here ]------------
| [   55.896242][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   55.896514][   T12] Modules linked in:
| [   55.896911][   T12] Tainted: [W]=WARN
[   55.897010][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.897173][   T12] Workqueue: netns cleanup_net
[   55.897307][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.897485][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.897956][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   55.898119][   T12] RAX: 00000000ffffffa6 RBX: ff11000009395a80 RCX: 1ff4000000018eae
[   55.898311][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009395b3c
[   55.898526][   T12] RBP: ff1100000e6c1000 R08: 1fe2200001272b69 R09: ff11000001aed1d0
[   55.898722][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   55.898920][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   55.899114][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   55.899340][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.899512][   T12] CR2: 0000555f252b22b8 CR3: 000000000f9eb005 CR4: 0000000000771ef0
[   55.899707][   T12] PKRU: 55555554
[   55.899804][   T12] Call Trace:
[   55.899905][   T12]  <TASK>
[   55.899972][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.900104][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   55.900234][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   55.900370][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   55.900500][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   55.900660][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.900792][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.900931][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.901062][   T12]  ? 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)
[   55.901191][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.901321][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   55.901457][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   55.901617][   T12]  ? 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)
[   55.901748][   T12]  ? 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)
[   55.901881][   T12]  ? 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)
[   55.902011][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.902140][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   55.902238][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.902375][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.902507][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.902638][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.902768][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.902904][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.903060][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.903189][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.903318][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.903454][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.903586][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.903716][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.903844][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.903977][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.904107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.904237][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.904373][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.904502][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.904644][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.904777][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.904911][   T12]  kthread (kernel/kthread.c:436)
[   55.905008][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.905171][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.905302][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.905438][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.905602][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.905732][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.905861][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.908654][   T12] ------------[ cut here ]------------
| [   55.908810][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.909082][   T12] Modules linked in:
| [   55.909495][   T12] Tainted: [W]=WARN
[   55.909598][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.909764][   T12] Workqueue: netns cleanup_net
[   55.909908][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.910081][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.910565][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   55.910735][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd97a80 RCX: 1ff4000000018ea8
[   55.910938][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd97b3c
[   55.911139][   T12] RBP: ff1100000e6c1000 R08: 1fe22000017b2f69 R09: ff11000001aed1d0
[   55.911340][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   55.911548][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   55.911750][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.911990][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.912158][   T12] CR2: 00007fea8e616f98 CR3: 000000001914d006 CR4: 0000000000771ef0
[   55.912366][   T12] PKRU: 55555554
[   55.912466][   T12] Call Trace:
[   55.912566][   T12]  <TASK>
[   55.912636][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.912771][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.912880][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.913013][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   55.913148][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   55.913282][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   55.913422][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.913556][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.913691][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.913824][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.913962][   T12]  netif_change_flags (net/core/dev.c:9820)
[   55.914095][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   55.914228][   T12]  ? 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)
[   55.914366][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   55.914468][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   55.914570][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   55.914708][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   55.914844][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.914983][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.915116][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.915251][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.915390][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.915523][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.915662][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.915797][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.915936][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.916070][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.916204][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.916338][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.916476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.916611][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.916748][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.916886][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.917024][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.917161][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.917295][   T12]  kthread (kernel/kthread.c:436)
[   55.917400][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.917567][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.917700][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.917834][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.918006][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.918139][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.918274][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.920173][   T12] ------------[ cut here ]------------
| [   55.920299][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.920554][   T12] Modules linked in:
| [   55.920942][   T12] Tainted: [W]=WARN
[   55.921041][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.921199][   T12] Workqueue: netns cleanup_net
[   55.921331][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.921501][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.921963][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.922124][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd97540 RCX: 1ff4000000018eaf
[   55.922314][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd975fc
[   55.922511][   T12] RBP: ff110000089ac000 R08: 1fe22000017b2ec1 R09: ff11000001aed1d0
[   55.922704][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.922902][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6d1000
[   55.923093][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.923317][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.923484][   T12] CR2: 00007fea8e616f98 CR3: 000000001914d006 CR4: 0000000000771ef0
[   55.923678][   T12] PKRU: 55555554
[   55.923774][   T12] Call Trace:
[   55.923872][   T12]  <TASK>
[   55.923939][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.924069][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.924166][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.924296][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.924429][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.924590][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.924719][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.924850][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.925017][   T12]  ? 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)
[   55.925147][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.925312][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.925448][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.925581][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.925710][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.925840][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.925973][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.926101][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.926227][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.926361][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.926493][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.926620][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.926748][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.926880][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.927007][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.927136][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.927268][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.927400][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.927534][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.927667][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.927795][   T12]  kthread (kernel/kthread.c:436)
[   55.927898][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.928057][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.928187][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.928315][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.928482][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.928610][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.928739][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.930505][   T12] ------------[ cut here ]------------
| [   55.930635][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.930890][   T12] Modules linked in:
| [   55.931278][   T12] Tainted: [W]=WARN
[   55.931662][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.931827][   T12] Workqueue: netns cleanup_net
[   55.931971][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.932135][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.932599][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.932761][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd97380 RCX: 1ff4000000018eaf
[   55.932956][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd9743c
[   55.933147][   T12] RBP: ff1100000e6d1000 R08: 1fe22000017b2e89 R09: ff11000001aed1d0
[   55.933339][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.933537][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a924000
[   55.933729][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.933959][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.934121][   T12] CR2: 00007fea8e616f98 CR3: 000000001914d006 CR4: 0000000000771ef0
[   55.934317][   T12] PKRU: 55555554
[   55.934418][   T12] Call Trace:
[   55.934513][   T12]  <TASK>
[   55.934580][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.934708][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.934838][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.934942][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.935072][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.935201][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.935364][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.935492][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.935623][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.935783][   T12]  ? 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)
[   55.935915][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.936079][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.936210][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.936338][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.936471][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.936601][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.936729][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.936860][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.936993][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.937123][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.937252][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.937387][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.937515][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.937644][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.937772][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.937905][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.938037][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.938166][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.938301][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.938438][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.938568][   T12]  kthread (kernel/kthread.c:436)
[   55.938665][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.938823][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.938957][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.939086][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.939245][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.939379][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.939508][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.942145][   T12] ------------[ cut here ]------------
| [   55.942282][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.942540][   T12] Modules linked in:
| [   55.942930][   T12] Tainted: [W]=WARN
[   55.943026][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.943188][   T12] Workqueue: netns cleanup_net
[   55.943321][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.943491][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.943956][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.944117][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c4c6c80 RCX: 1ff4000000018eaf
[   55.944309][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4c6d3c
[   55.944506][   T12] RBP: ff1100000a924000 R08: 1fe2200001898da9 R09: ff11000001aed1d0
[   55.944696][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.944891][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8ec000
[   55.945083][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.945308][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.945482][   T12] CR2: 00007fea8e616f98 CR3: 000000001914d006 CR4: 0000000000771ef0
[   55.945674][   T12] PKRU: 55555554
[   55.945770][   T12] Call Trace:
[   55.945869][   T12]  <TASK>
[   55.945936][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.946065][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.946194][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.946292][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.946427][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.946561][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.946721][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.946852][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.946987][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.947148][   T12]  ? 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)
[   55.947275][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.947446][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.947576][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.947704][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.947833][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.947966][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.948094][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.948226][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.948359][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.948488][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.948617][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.948745][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.948876][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.949006][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.949132][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.949260][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.949400][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.949528][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.949660][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.949792][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.949921][   T12]  kthread (kernel/kthread.c:436)
[   55.950018][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.950190][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.950319][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.950453][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.950613][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.950740][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.950874][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.952584][   T12] ------------[ cut here ]------------
| [   55.952711][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.952964][   T12] Modules linked in:
| [   55.953349][   T12] Tainted: [W]=WARN
[   55.953452][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.953611][   T12] Workqueue: netns cleanup_net
[   55.953743][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.953911][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.954370][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.954530][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c4c7540 RCX: 1ff4000000018eaf
[   55.954719][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4c75fc
[   55.954917][   T12] RBP: ff1100000f8ec000 R08: 1fe2200001898ec1 R09: ff11000001aed1d0
[   55.955106][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.955294][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6a9000
[   55.955493][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.955715][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.955881][   T12] CR2: 00007fea8e616f98 CR3: 000000001914d006 CR4: 0000000000771ef0
[   55.956072][   T12] PKRU: 55555554
[   55.956167][   T12] Call Trace:
[   55.956262][   T12]  <TASK>
[   55.956328][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.956459][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.956586][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.956684][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.956815][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.956949][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.957107][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.957234][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.957366][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.957528][   T12]  ? 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)
[   55.957657][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.957819][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.957953][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.958080][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.958209][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.958338][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.958472][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.958601][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.958727][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.958856][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.958990][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.959118][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.959245][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.959379][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.959508][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.959637][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.959769][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.959903][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.960035][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.960166][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.960293][   T12]  kthread (kernel/kthread.c:436)
[   55.960395][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.960556][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.960689][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.960823][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.960988][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.961115][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.961243][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.962963][   T12] ------------[ cut here ]------------
| [   55.963089][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.963334][   T12] Modules linked in:
| [   55.963727][   T12] Tainted: [W]=WARN
[   55.963823][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.963987][   T12] Workqueue: netns cleanup_net
[   55.964118][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.964283][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.964749][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.964913][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c4c7e00 RCX: 1ff4000000018eaf
[   55.965104][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4c7ebc
[   55.965297][   T12] RBP: ff1100000e6a9000 R08: 1fe2200001898fd9 R09: ff11000001aed1d0
[   55.965490][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.965682][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f6c1000
[   55.965877][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.966104][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.966264][   T12] CR2: 00007fea8e616f98 CR3: 000000001914d006 CR4: 0000000000771ef0
[   55.966460][   T12] PKRU: 55555554
[   55.966558][   T12] Call Trace:
[   55.966654][   T12]  <TASK>
[   55.966722][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.966850][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.966985][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.967083][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.967213][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.967343][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.967508][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.967636][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.967767][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.967931][   T12]  ? 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)
[   55.968059][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.968224][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.968358][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.968488][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.968616][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.968746][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.968881][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.969008][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.969135][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.969264][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.969400][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.969531][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.969658][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.969790][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.969922][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.970054][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.970187][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.970316][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.970455][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.970589][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.970718][   T12]  kthread (kernel/kthread.c:436)
[   55.970834][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.970997][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.971125][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.971254][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.971419][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.971548][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.971679][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.973400][   T12] ------------[ cut here ]------------
| [   55.973527][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.973782][   T12] Modules linked in:
| [   55.974176][   T12] Tainted: [W]=WARN
[   55.974274][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.974441][   T12] Workqueue: netns cleanup_net
[   55.974574][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.974742][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.975206][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.975374][   T12] RAX: 00000000ffffffa6 RBX: ff110000103fc3c0 RCX: 1ff4000000018eaf
[   55.975568][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103fc47c
[   55.975764][   T12] RBP: ff1100000f6c1000 R08: 1fe220000207f891 R09: ff11000001aed1d0
[   55.975962][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.976154][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005151000
[   55.976355][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.976581][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.976747][   T12] CR2: 00007fea8e616f98 CR3: 000000001914d006 CR4: 0000000000771ef0
[   55.976952][   T12] PKRU: 55555554
[   55.977050][   T12] Call Trace:
[   55.977146][   T12]  <TASK>
[   55.977217][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.977350][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.977485][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.977584][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.977715][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.977846][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.978009][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.978137][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.978271][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.978445][   T12]  ? 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)
[   55.978574][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.978738][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.978872][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.979002][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.979133][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.979263][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.979398][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.979529][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.979656][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.979787][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.979923][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.980053][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.980182][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.980313][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.980450][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.980581][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.980713][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.980841][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.980977][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.981113][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.981241][   T12]  kthread (kernel/kthread.c:436)
[   55.981338][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.981508][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.981638][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.981767][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.981934][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.982065][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.982193][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.984000][   T12] ------------[ cut here ]------------
| [   55.984127][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.984385][   T12] Modules linked in:
| [   55.984771][   T12] Tainted: [W]=WARN
[   55.984872][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.985035][   T12] Workqueue: netns cleanup_net
[   55.985170][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.985337][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.985797][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.985966][   T12] RAX: 00000000ffffffa6 RBX: ff110000103fce40 RCX: 1ff4000000018eaf
[   55.986157][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103fcefc
[   55.986349][   T12] RBP: ff11000005151000 R08: 1fe220000207f9e1 R09: ff11000001aed1d0
[   55.986546][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.986738][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bb9000
[   55.986937][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.987163][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.987323][   T12] CR2: 00007fea8e616f98 CR3: 000000001914d006 CR4: 0000000000771ef0
[   55.987525][   T12] PKRU: 55555554
[   55.987621][   T12] Call Trace:
[   55.987719][   T12]  <TASK>
[   55.987785][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.987918][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.988047][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.988146][   T12]  netif_close_many (net/core/dev.c:1804)
[   55.988276][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   55.988411][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   55.988571][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.988700][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   55.988830][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   55.988996][   T12]  ? 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)
[   55.989125][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   55.989291][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   55.989426][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   55.989557][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   55.989685][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   55.989814][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   55.989945][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.990071][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   55.990198][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.990325][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   55.990458][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   55.990589][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   55.990716][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   55.990845][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.990977][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.991111][   T12]  process_one_work (kernel/workqueue.c:3314)
[   55.991242][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   55.991376][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.991511][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   55.991644][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   55.991772][   T12]  kthread (kernel/kthread.c:436)
[   55.991871][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.992029][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.992157][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   55.992285][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   55.992452][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   55.992579][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   55.992707][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   55.995378][   T12] ------------[ cut here ]------------
| [   55.995514][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   55.995764][   T12] Modules linked in:
| [   55.996155][   T12] Tainted: [W]=WARN
[   55.996251][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.997020][   T12] Workqueue: netns cleanup_net
[   55.997160][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.997328][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   55.997834][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   55.997999][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c901540 RCX: 1ff4000000018eaf
[   55.998188][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9015fc
[   55.998429][   T12] RBP: ff11000008bb9000 R08: 1fe22000019202c1 R09: ff11000001aed1d0
[   55.998670][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   55.998861][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ede1000
[   55.999066][   T12] FS:  0000000000000000(0000) GS:ff110000bc547000(0000) knlGS:0000000000000000
[   55.999289][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.999500][   T12] CR2: 00007fea8e616f98 CR3: 000000001914d006 CR4: 0000000000771ef0
[   55.999693][   T12] PKRU: 55555554
[   55.999789][   T12] Call Trace:
[   55.999888][   T12]  <TASK>
[   55.999954][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.000083][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.000212][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.000309][   T12]  netif_close_many (net/core/dev.c:1804)
[   56.000488][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   56.000615][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   56.000775][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.000906][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   56.001035][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   56.001196][   T12]  ? 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)
[   56.001324][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.001542][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.001674][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.001801][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.001933][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.002063][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.002192][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.002320][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.002498][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.002627][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.002755][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.002889][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.003015][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.003145][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.003271][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.003449][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.003580][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.003709][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.003842][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.003978][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.004106][   T12]  kthread (kernel/kthread.c:436)
[   56.004202][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.004410][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.004538][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.004667][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.004827][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.004960][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.005089][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.012538][   T12] ------------[ cut here ]------------
| [   56.012686][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.012941][   T12] Modules linked in:
| [   56.013334][   T12] Tainted: [W]=WARN
[   56.013438][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.013603][   T12] Workqueue: netns cleanup_net
[   56.013737][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.013909][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.014375][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   56.014537][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c901a80 RCX: 1ff4000000018eaf
[   56.014728][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c901b3c
[   56.014923][   T12] RBP: ff1100000ede1000 R08: 1fe2200001920369 R09: ff11000001aed1d0
[   56.015114][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   56.015304][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   56.015510][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.015740][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.015905][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.016174][   T12] PKRU: 55555554
[   56.016323][   T12] Call Trace:
[   56.016484][   T12]  <TASK>
[   56.016589][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.016791][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.016997][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.017144][   T12]  netif_close_many (net/core/dev.c:1804)
[   56.017279][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   56.017440][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   56.017599][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.017727][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   56.017856][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   56.018026][   T12]  ? 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)
[   56.018154][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.018318][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.018457][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.018626][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.018819][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.019011][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.019144][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.019275][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.019418][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.019548][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.019680][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.019809][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.019939][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.020069][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.020200][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.020329][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.020464][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.020593][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.020728][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.020861][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.020996][   T12]  kthread (kernel/kthread.c:436)
[   56.021092][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.021255][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.021389][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.021518][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.021681][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.021811][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.021944][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.024269][   T12] ------------[ cut here ]------------
| [   56.024408][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.024651][   T12] Modules linked in:
| [   56.025031][   T12] Tainted: [W]=WARN
[   56.025124][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.025279][   T12] Workqueue: netns cleanup_net
[   56.025414][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.025578][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.026022][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.026178][   T12] RAX: 00000000ffffffa6 RBX: ff11000011e9e900 RCX: 1ff4000000018ed5
[   56.026366][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011e9e9bc
[   56.026552][   T12] RBP: ff110000089ac000 R08: 1fe22000023d3d39 R09: ff11000001aed1d0
[   56.026737][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.026928][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.027119][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.027336][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.027495][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.027682][   T12] PKRU: 55555554
[   56.027774][   T12] Call Trace:
[   56.027870][   T12]  <TASK>
[   56.027936][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.028094][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.028254][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.028386][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.028511][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.028637][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.028764][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.028895][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.029021][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.029147][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.029271][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.029400][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.029526][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.029648][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.029779][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.029907][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.030036][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.030163][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.030288][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.030424][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.030554][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.030678][   T12]  kthread (kernel/kthread.c:436)
[   56.030772][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.030936][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.031062][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.031187][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.031342][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.031474][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.031599][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.045440][   T12] ------------[ cut here ]------------
| [   56.045582][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.045829][   T12] Modules linked in:
| [   56.046215][   T12] Tainted: [W]=WARN
[   56.046314][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.046948][   T12] Workqueue: netns cleanup_net
[   56.047083][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.047244][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.047766][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.047934][   T12] RAX: 00000000ffffffa6 RBX: ff11000011e9f700 RCX: 1ff4000000018ed5
[   56.048121][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011e9f7bc
[   56.048305][   T12] RBP: ff1100000e6d1000 R08: 1fe22000023d3ef9 R09: ff11000001aed1d0
[   56.048540][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.048771][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.048964][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.049183][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.049339][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.049592][   T12] PKRU: 55555554
[   56.049686][   T12] Call Trace:
[   56.049780][   T12]  <TASK>
[   56.049845][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.050009][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.050170][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.050297][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.050470][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.050596][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.050721][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.050847][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.050978][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.051101][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.051226][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.051402][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.051527][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.051650][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.051779][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.051908][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.052033][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.052161][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.052284][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.052461][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.052589][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.052711][   T12]  kthread (kernel/kthread.c:436)
[   56.052807][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.052967][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.053090][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.053215][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.053418][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.053544][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.053670][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.057891][   T12] ------------[ cut here ]------------
| [   56.058026][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.058279][   T12] Modules linked in:
| [   56.058659][   T12] Tainted: [W]=WARN
[   56.058752][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.058912][   T12] Workqueue: netns cleanup_net
[   56.059043][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.059206][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.059650][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.059807][   T12] RAX: 00000000ffffffa6 RBX: ff11000011e9e740 RCX: 1ff4000000018ed5
[   56.059997][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011e9e7fc
[   56.060183][   T12] RBP: ff1100000a924000 R08: 1fe22000023d3d01 R09: ff11000001aed1d0
[   56.060374][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.060561][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.060748][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.060972][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.061129][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.061316][   T12] PKRU: 55555554
[   56.061414][   T12] Call Trace:
[   56.061507][   T12]  <TASK>
[   56.061572][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.061733][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.061899][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.062025][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.062155][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.062280][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.062411][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.062538][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.062665][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.062790][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.062920][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.063044][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.063171][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.063304][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.063520][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.063648][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.063775][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.063912][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.064046][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.064184][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.064317][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.064493][   T12]  kthread (kernel/kthread.c:436)
[   56.064594][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.064758][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.064894][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.065024][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.065194][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.065330][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.065509][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.068515][   T12] ------------[ cut here ]------------
| [   56.068659][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   56.068910][   T12] Modules linked in:
| [   56.069294][   T12] Tainted: [W]=WARN
[   56.069397][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.069555][   T12] Workqueue: netns cleanup_net
[   56.069684][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.069847][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.070293][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.070456][   T12] RAX: 00000000ffffffa6 RBX: ff110000102e71c0 RCX: 1ff4000000018ed5
[   56.070641][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102e727c
[   56.070837][   T12] RBP: ff1100000f8ec000 R08: 1fe220000205ce51 R09: ff11000001aed1d0
[   56.071028][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   56.071216][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.071416][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   56.071647][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.071807][   T12] CR2: 0000555f252b22b8 CR3: 000000000f9eb005 CR4: 0000000000771ef0
[   56.072001][   T12] PKRU: 55555554
[   56.072094][   T12] Call Trace:
[   56.072186][   T12]  <TASK>
[   56.072252][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.072422][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.072583][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.072710][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.072835][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.072967][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.073093][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.073218][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.073344][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.073475][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.073604][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.073729][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.073854][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.073984][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.074111][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.074235][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.074367][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.074495][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.074618][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.074748][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.074881][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.075006][   T12]  kthread (kernel/kthread.c:436)
[   56.075104][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.075264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.075395][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.075519][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.075673][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.075797][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.075927][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.078190][   T12] ------------[ cut here ]------------
| [   56.078321][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   56.078575][   T12] Modules linked in:
| [   56.078960][   T12] Tainted: [W]=WARN
[   56.079059][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.079214][   T12] Workqueue: netns cleanup_net
[   56.079343][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.079509][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.079954][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.080114][   T12] RAX: 00000000ffffffa6 RBX: ff1100001016f540 RCX: 1ff4000000018ed5
[   56.080303][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001016f5fc
[   56.080493][   T12] RBP: ff1100000e6a9000 R08: 1fe220000202dec1 R09: ff11000001aed1d0
[   56.080678][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   56.080862][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.081054][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   56.081275][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.081436][   T12] CR2: 0000555f252b22b8 CR3: 000000000f9eb005 CR4: 0000000000771ef0
[   56.081622][   T12] PKRU: 55555554
[   56.081716][   T12] Call Trace:
[   56.081809][   T12]  <TASK>
[   56.081879][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.082038][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.082199][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.082324][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.082456][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.082581][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.082707][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.082834][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.082964][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.083090][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.083216][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.083344][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.083475][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.083598][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.083725][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.083849][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.083981][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.084112][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.084235][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.084370][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.084501][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.084624][   T12]  kthread (kernel/kthread.c:436)
[   56.084719][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.084877][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.085004][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.085139][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.085300][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.085427][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.085553][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.087947][   T12] ------------[ cut here ]------------
| [   56.088077][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   56.088323][   T12] Modules linked in:
| [   56.088705][   T12] Tainted: [W]=WARN
[   56.088797][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.088959][   T12] Workqueue: netns cleanup_net
[   56.089087][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.089249][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.089698][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.089853][   T12] RAX: 00000000ffffffa6 RBX: ff1100001016e900 RCX: 1ff4000000018ed5
[   56.090041][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001016e9bc
[   56.090222][   T12] RBP: ff1100000f6c1000 R08: 1fe220000202dd39 R09: ff11000001aed1d0
[   56.090416][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   56.090600][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.090791][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   56.091014][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.091172][   T12] CR2: 0000555f252b22b8 CR3: 000000000f9eb005 CR4: 0000000000771ef0
[   56.091364][   T12] PKRU: 55555554
[   56.091457][   T12] Call Trace:
[   56.091549][   T12]  <TASK>
[   56.091614][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.091771][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.091935][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.092064][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.092188][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.092312][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.092443][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.092569][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.092693][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.092816][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.092947][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.093071][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.093195][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.093319][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.093449][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.093573][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.093698][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.093826][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.093958][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.094087][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.094216][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.094343][   T12]  kthread (kernel/kthread.c:436)
[   56.094441][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.094595][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.094721][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.094847][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.095006][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.095129][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.095253][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.097598][   T12] ------------[ cut here ]------------
| [   56.097725][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   56.097971][   T12] Modules linked in:
| [   56.098346][   T12] Tainted: [W]=WARN
[   56.098456][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.098614][   T12] Workqueue: netns cleanup_net
[   56.098741][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.098908][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.099357][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.099514][   T12] RAX: 00000000ffffffa6 RBX: ff1100001016ec80 RCX: 1ff4000000018ed5
[   56.099698][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001016ed3c
[   56.099886][   T12] RBP: ff11000005151000 R08: 1fe220000202dda9 R09: ff11000001aed1d0
[   56.100074][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   56.100265][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.100458][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   56.100678][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.100837][   T12] CR2: 0000555f252b22b8 CR3: 000000000f9eb005 CR4: 0000000000771ef0
[   56.101028][   T12] PKRU: 55555554
[   56.101121][   T12] Call Trace:
[   56.101213][   T12]  <TASK>
[   56.101281][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.101446][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.101606][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.101733][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.101860][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.101989][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.102115][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.102240][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.102369][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.102493][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.102617][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.102745][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.102872][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.102995][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.103123][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.103245][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.103377][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.103505][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.103629][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.103761][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.103895][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.104020][   T12]  kthread (kernel/kthread.c:436)
[   56.104113][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.104267][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.104395][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.104523][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.104681][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.104806][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.104935][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.107172][   T12] ------------[ cut here ]------------
| [   56.107302][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   56.108423][   T12] Modules linked in:
| [   56.108939][   T12] Tainted: [W]=WARN
[   56.109039][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.109193][   T12] Workqueue: netns cleanup_net
[   56.109317][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.109523][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.109955][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.110118][   T12] RAX: 00000000ffffffa6 RBX: ff1100001016e3c0 RCX: 1ff4000000018ed5
[   56.110303][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001016e47c
[   56.110537][   T12] RBP: ff11000008bb9000 R08: 1fe220000202dc91 R09: ff11000001aed1d0
[   56.110722][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   56.110911][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.111097][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   56.111313][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.111518][   T12] CR2: 0000555f252b22b8 CR3: 000000000f9eb005 CR4: 0000000000771ef0
[   56.111706][   T12] PKRU: 55555554
[   56.111798][   T12] Call Trace:
[   56.111895][   T12]  <TASK>
[   56.111959][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.112118][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.112277][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.112452][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.112579][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.112704][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.112834][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.112964][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.113088][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.113211][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.113336][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.113509][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.113637][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.113760][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.113890][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.114015][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.114141][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.114268][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.114438][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.114569][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.114698][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.114820][   T12]  kthread (kernel/kthread.c:436)
[   56.114918][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.115072][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.115197][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.115322][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.115529][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.115654][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.115778][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.118825][   T12] ------------[ cut here ]------------
| [   56.118969][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.119226][   T12] Modules linked in:
| [   56.119611][   T12] Tainted: [W]=WARN
[   56.119706][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.119864][   T12] Workqueue: netns cleanup_net
[   56.119998][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.120158][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.120610][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.120766][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c860740 RCX: 1ff4000000018ed5
[   56.120955][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8607fc
[   56.121142][   T12] RBP: ff1100000e6c1000 R08: 1fe220000190c101 R09: ff11000001aed1d0
[   56.121326][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.121517][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.121705][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.121925][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.122080][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.122268][   T12] PKRU: 55555554
[   56.122388][   T12] Call Trace:
[   56.122481][   T12]  <TASK>
[   56.122546][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.122705][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.122871][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.122999][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.123125][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.123251][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.123384][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.123516][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.123638][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.123762][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.123893][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.124018][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.124141][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.124267][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.124397][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.124521][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.124648][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.124777][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.124909][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.125038][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.125168][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.125293][   T12]  kthread (kernel/kthread.c:436)
[   56.125392][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.125548][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.125672][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.125802][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.125963][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.126089][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.126213][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.141402][   T12] ------------[ cut here ]------------
| [   56.141550][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.141796][   T12] Modules linked in:
| [   56.142181][   T12] Tainted: [W]=WARN
[   56.142276][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.142841][   T12] Workqueue: netns cleanup_net
[   56.142979][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.143143][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.143583][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.143738][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c860040 RCX: 1ff4000000018ed5
[   56.143929][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8600fc
[   56.144110][   T12] RBP: ff1100000ede1000 R08: 1fe220000190c021 R09: ff11000001aed1d0
[   56.144302][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.144493][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.144678][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.144895][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.145049][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.145234][   T12] PKRU: 55555554
[   56.145327][   T12] Call Trace:
[   56.145425][   T12]  <TASK>
[   56.145490][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.145648][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.145808][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.145939][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.146064][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.146188][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.146314][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.146448][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.146573][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.146695][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.146818][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.146947][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.147080][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.147204][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.147332][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.147459][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.147584][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.147712][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.147836][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.147968][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.148096][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.148219][   T12]  kthread (kernel/kthread.c:436)
[   56.148313][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.148472][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.148595][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.148720][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.148878][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.149003][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.149127][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.237978][   T12] ------------[ cut here ]------------
| [   56.238136][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.238390][   T12] Modules linked in:
| [   56.238757][   T12] Tainted: [W]=WARN
[   56.238848][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.239006][   T12] Workqueue: netns cleanup_net
[   56.239132][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.239291][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.239734][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   56.239898][   T12] RAX: 00000000ffffffa6 RBX: ff11000011ea2740 RCX: 1ff4000000018eed
[   56.240079][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011ea27fc
[   56.240259][   T12] RBP: ff1100000ab3c000 R08: 1fe22000023d4501 R09: ff11000001aed1d0
[   56.240445][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.240627][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.240807][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.241022][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.241176][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.241364][   T12] PKRU: 55555554
[   56.241455][   T12] Call Trace:
[   56.241550][   T12]  <TASK>
[   56.241614][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.241771][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.241924][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   56.242047][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   56.242179][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.242310][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   56.242641][   T12]  ? 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)
[   56.242768][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.242895][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.243016][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.243143][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.243265][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.243393][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.243515][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.243636][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.243761][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.243898][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.244017][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.244148][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.244274][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.244399][   T12]  kthread (kernel/kthread.c:436)
[   56.244493][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.244654][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.244776][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.244901][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.245052][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.245173][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.245295][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.247504][   T12] ------------[ cut here ]------------
| [   56.247631][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.247875][   T12] Modules linked in:
| [   56.248252][   T12] Tainted: [W]=WARN
[   56.248345][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.248504][   T12] Workqueue: netns cleanup_net
[   56.248629][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.248790][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.249234][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   56.249393][   T12] RAX: 00000000ffffffa6 RBX: ff11000011ea2580 RCX: 1ff4000000018eed
[   56.249575][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011ea263c
[   56.249762][   T12] RBP: ff1100000e689000 R08: 1fe22000023d44c9 R09: ff11000001aed1d0
[   56.249946][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.250126][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.250309][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.250527][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.250678][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.250861][   T12] PKRU: 55555554
[   56.250957][   T12] Call Trace:
[   56.251048][   T12]  <TASK>
[   56.251111][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.251266][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.251994][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   56.252121][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   56.252243][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.252367][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   56.252489][   T12]  ? 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)
[   56.252616][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.252740][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.252870][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.252996][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.253117][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.253238][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.253365][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.253486][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.253613][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.253737][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.253860][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.253996][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.254121][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.254241][   T12]  kthread (kernel/kthread.c:436)
[   56.254331][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.254487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.254609][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.254733][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.254891][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.255013][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.255135][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.257307][   T12] ------------[ cut here ]------------
| [   56.257440][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.257679][   T12] Modules linked in:
| [   56.258049][   T12] Tainted: [W]=WARN
[   56.258141][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.258294][   T12] Workqueue: netns cleanup_net
[   56.258426][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.258582][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.259022][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   56.259175][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d35700 RCX: 1ff4000000018eed
[   56.259360][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d357bc
[   56.259541][   T12] RBP: ff1100000f524000 R08: 1fe22000009a6af9 R09: ff11000001aed1d0
[   56.259723][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.259907][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.260089][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.260299][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.260453][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.260638][   T12] PKRU: 55555554
[   56.260728][   T12] Call Trace:
[   56.260818][   T12]  <TASK>
[   56.260884][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.261041][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.261193][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   56.261315][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   56.261900][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.262024][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   56.262145][   T12]  ? 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)
[   56.262268][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.262436][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.262556][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.262679][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.262799][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.262925][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.263048][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.263167][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.263295][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.263467][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.263588][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.263712][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.263838][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.263960][   T12]  kthread (kernel/kthread.c:436)
[   56.264096][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.264244][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.264409][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.264531][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.264681][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.264802][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.264927][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.267610][   T12] ------------[ cut here ]------------
| [   56.267740][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   56.267980][   T12] Modules linked in:
| [   56.268345][   T12] Tainted: [W]=WARN
[   56.268440][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.268592][   T12] Workqueue: netns cleanup_net
[   56.268719][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.268882][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.269309][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   56.269467][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d34580 RCX: 1ff4000000018eed
[   56.269646][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d3463c
[   56.269826][   T12] RBP: ff1100000aa2c000 R08: 1fe22000009a68c9 R09: ff11000001aed1d0
[   56.270007][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.270188][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.270374][   T12] FS:  0000000000000000(0000) GS:ff110000bc647000(0000) knlGS:0000000000000000
[   56.270586][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.270738][   T12] CR2: 00007f4a5a111f98 CR3: 000000001914d005 CR4: 0000000000771ef0
[   56.270923][   T12] PKRU: 55555554
[   56.271017][   T12] Call Trace:
[   56.271108][   T12]  <TASK>
[   56.271171][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.271331][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.271567][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   56.271693][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   56.271816][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.271940][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   56.272061][   T12]  ? 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)
[   56.272190][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.272313][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.272479][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.272605][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.272727][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.272846][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.272973][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.273095][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.273218][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.273344][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.273512][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.273684][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.273810][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.273936][   T12]  kthread (kernel/kthread.c:436)
[   56.274027][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.274177][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.274301][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.274467][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.274623][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.274744][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.274872][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.278079][   T12] ------------[ cut here ]------------
| [   56.278215][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   56.278465][   T12] Modules linked in:
| [   56.278834][   T12] Tainted: [W]=WARN
[   56.278930][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.279082][   T12] Workqueue: netns cleanup_net
[   56.279207][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.279368][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.279801][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   56.279956][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d343c0 RCX: 1ff4000000018eed
[   56.280135][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d3447c
[   56.280319][   T12] RBP: ff1100000aa89000 R08: 1fe22000009a6891 R09: ff11000001aed1d0
[   56.280505][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   56.280683][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.280879][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   56.281092][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.281244][   T12] CR2: 0000555f252b22b8 CR3: 000000000f9eb005 CR4: 0000000000771ef0
[   56.281434][   T12] PKRU: 55555554
[   56.281524][   T12] Call Trace:
[   56.281613][   T12]  <TASK>
[   56.281676][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.281833][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.282001][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   56.282123][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   56.282247][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.282374][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   56.282497][   T12]  ? 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)
[   56.282620][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.282743][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.282864][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.282991][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.283113][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.283233][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.283362][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.283484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.283606][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.283731][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.283853][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.283983][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.284109][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.284231][   T12]  kthread (kernel/kthread.c:436)
[   56.284323][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.284480][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.284601][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.284764][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.284920][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.285042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.285163][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.304199][   T12] ------------[ cut here ]------------
| [   56.304363][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   56.304618][   T12] Modules linked in:
| [   56.305010][   T12] Tainted: [W]=WARN
[   56.305106][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.305267][   T12] Workqueue: netns cleanup_net
[   56.305408][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.305579][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.306039][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   56.306200][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d34040 RCX: 1ff4000000018eaf
[   56.306396][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d340fc
[   56.306589][   T12] RBP: ff11000009ad1000 R08: 1fe22000009a6821 R09: ff11000001aed1d0
[   56.306777][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   56.306971][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   56.307162][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   56.307392][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.307555][   T12] CR2: 0000555f252b22b8 CR3: 000000000f9eb005 CR4: 0000000000771ef0
[   56.307752][   T12] PKRU: 55555554
[   56.307846][   T12] Call Trace:
[   56.307945][   T12]  <TASK>
[   56.308011][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.308140][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.308237][   T12]  netif_close_many (net/core/dev.c:1804)
[   56.308373][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.308500][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.308626][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.308753][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   56.308884][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   56.309044][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   56.309204][   T12]  ? 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)
[   56.309332][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.309514][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   56.309643][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.309805][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.309939][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.310068][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.310197][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.310327][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.310512][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.310643][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.310770][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.310905][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.311033][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.311159][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.311288][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.311469][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.311600][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.311731][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.311859][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.311996][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.312128][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.312256][   T12]  kthread (kernel/kthread.c:436)
[   56.312405][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.312564][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.312692][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.312819][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.312985][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.313113][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.313241][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.315747][   T12] ------------[ cut here ]------------
| [   56.315885][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   56.316128][   T12] Modules linked in:
| [   56.316515][   T12] Tainted: [W]=WARN
[   56.316608][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.316763][   T12] Workqueue: netns cleanup_net
[   56.316894][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.317055][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.317516][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   56.317672][   T12] RAX: 00000000ffffffa6 RBX: ff11000009608c80 RCX: 1ff4000000018ed5
[   56.317857][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009608d3c
[   56.318047][   T12] RBP: ff11000009ad1000 R08: 1fe22000012c11a9 R09: ff11000001aed1d0
[   56.318231][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   56.318423][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.318608][   T12] FS:  0000000000000000(0000) GS:ff110000bc4c7000(0000) knlGS:0000000000000000
[   56.318826][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.318992][   T12] CR2: 0000555f252b22b8 CR3: 000000000f9eb005 CR4: 0000000000771ef0
[   56.319177][   T12] PKRU: 55555554
[   56.319269][   T12] Call Trace:
[   56.319365][   T12]  <TASK>
[   56.319431][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.319589][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   56.319749][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.319876][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.320001][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   56.320126][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   56.320249][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   56.320380][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.320517][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   56.320646][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.320771][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   56.320900][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.321022][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   56.321145][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.321268][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.321397][   T12]  process_one_work (kernel/workqueue.c:3314)
[   56.321527][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.321650][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.321777][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.321909][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.322032][   T12]  kthread (kernel/kthread.c:436)
[   56.322124][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.322278][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.322410][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.322532][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.322686][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.322807][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:dev_change_flags
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_master_upper_dev_link
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_change_name:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
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