======================================
| xx__-> [    9.439725][  T204] ------------[ cut here ]------------
| [    9.439944][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/204
| [    9.440248][  T204] Modules linked in:
| [    9.440683][  T204] Tainted: [W]=WARN
[    9.440784][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.440952][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.441133][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.441613][  T204] RSP: 0018:ffa0000000986e30 EFLAGS: 00010286
[    9.441782][  T204] RAX: 00000000ffffffa6 RBX: ff1100000925d700 RCX: 1ff4000000130d8c
[    9.441982][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000925d7bc
[    9.442187][  T204] RBP: ff1100000950c000 R08: 1fe220000124baf9 R09: ff1100000f285180
[    9.442396][  T204] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.442596][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf46004
[    9.442797][  T204] FS:  00007f03e2e9c840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[    9.443038][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.443211][  T204] CR2: 000000000042ebe0 CR3: 000000000e558002 CR4: 0000000000771ef0
[    9.443414][  T204] PKRU: 55555554
[    9.443515][  T204] Call Trace:
[    9.443615][  T204]  <TASK>
[    9.443684][  T204]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.443899][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.444041][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.444144][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.444285][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.444420][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[    9.444558][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.444692][  T204]  ? netif_change_name (net/core/dev.c:1495)
[    9.444826][  T204]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.444962][  T204]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.445101][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.445241][  T204]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.445375][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.447414][  T204]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.447553][  T204]  veth_newlink (drivers/net/veth.c:1871)
[    9.447690][  T204]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.447823][  T204]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.447959][  T204]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.448098][  T204]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.448250][  T204]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.448383][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.450112][  T204]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.450256][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.451830][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.451969][  T204]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.452111][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.452251][  T204]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.452384][  T204]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.452523][  T204]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.452662][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.452797][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.452930][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.453067][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.453295][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.455137][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.455285][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.455423][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.455556][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.455689][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.455821][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.455957][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.456096][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.456235][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.456368][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.456502][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.456636][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.456775][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.456998][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.457317][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.457455][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.457589][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.458871][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.459016][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.459152][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.459290][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.463591][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.463731][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.463899][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[    9.464043][  T204]  ___sys_sendmsg (net/socket.c:2752)
[    9.464177][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.464315][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.464461][  T204]  __sys_sendmsg (net/socket.c:2784)
[    9.464599][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.464733][  T204]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.464867][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.465065][  T204]  ? 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)
[    9.465201][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.465340][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.465474][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.465609][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.465745][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.465881][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.466052][  T204] RIP: 0033:0x7f03e30d608e
[    9.466481][  T204] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.466962][  T204] RSP: 002b:00007ffcaa007a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.467171][  T204] RAX: ffffffffffffffda RBX: 00007ffcaa008228 RCX: 00007f03e30d608e
[    9.467376][  T204] RDX: 0000000000000000 RSI: 00007ffcaa007b40 RDI: 0000000000000005
[    9.467648][  T204] RBP: 00007ffcaa007aa0 R08: 0000000000000000 R09: 0000000000000000
[    9.467851][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63c
[    9.468058][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcaa008200
| [    9.480224][  T204] ------------[ cut here ]------------
| [    9.480374][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/204
| [    9.480608][  T204] Modules linked in:
| [    9.481103][  T204] Tainted: [W]=WARN
[    9.481209][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.481381][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.481556][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.482031][  T204] RSP: 0018:ffa00000009871b0 EFLAGS: 00010286
[    9.482200][  T204] RAX: 00000000ffffffa6 RBX: ff1100000cfa2740 RCX: 1ff4000000130dfc
[    9.482408][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cfa27fc
[    9.482605][  T204] RBP: ff1100000a2c1000 R08: 1fe22000019f4501 R09: ff1100000f285180
[    9.482801][  T204] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.482999][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffaf203b20
[    9.483210][  T204] FS:  00007f03e2e9c840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[    9.483443][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.483609][  T204] CR2: 000000000042ebe0 CR3: 000000000e558002 CR4: 0000000000771ef0
[    9.483808][  T204] PKRU: 55555554
[    9.483907][  T204] Call Trace:
[    9.484014][  T204]  <TASK>
[    9.484084][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.484220][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.484321][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[    9.484455][  T204]  ? netif_change_name (net/core/dev.c:1495)
[    9.484588][  T204]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.484722][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.484856][  T204]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.484992][  T204]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.485131][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.485267][  T204]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.485399][  T204]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.485538][  T204]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.485674][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.485808][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.485942][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.486096][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.486256][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.486387][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.486524][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.486657][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.486790][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.486921][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.487055][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.487186][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.487323][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.487454][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.487586][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.487719][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.487851][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.487986][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.488121][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.488260][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.488393][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.488525][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.488657][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.488790][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.488923][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.489063][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.489194][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.489329][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.489491][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[    9.489627][  T204]  ___sys_sendmsg (net/socket.c:2752)
[    9.489758][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.489888][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.490036][  T204]  __sys_sendmsg (net/socket.c:2784)
[    9.490169][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.490304][  T204]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.490436][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.490570][  T204]  ? 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)
[    9.490701][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.490833][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.490968][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.491107][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.491245][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.491377][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.491541][  T204] RIP: 0033:0x7f03e30d608e
[    9.491678][  T204] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.492153][  T204] RSP: 002b:00007ffcaa007a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.492355][  T204] RAX: ffffffffffffffda RBX: 00007ffcaa008228 RCX: 00007f03e30d608e
[    9.492550][  T204] RDX: 0000000000000000 RSI: 00007ffcaa007b40 RDI: 0000000000000005
[    9.492746][  T204] RBP: 00007ffcaa007aa0 R08: 0000000000000000 R09: 0000000000000000
[    9.492942][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63c
[    9.493143][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcaa008200
| [    9.562799][  T207] ------------[ cut here ]------------
| [    9.562995][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.563493][  T207] Modules linked in:
| [    9.563931][  T207] Tainted: [W]=WARN
[    9.564062][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.564237][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.564413][  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
[    9.564888][  T207] RSP: 0018:ffa0000000557a80 EFLAGS: 00010286
[    9.565057][  T207] RAX: 00000000ffffffa6 RBX: ff11000005214e40 RCX: 1ff40000000aaf16
[    9.565253][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005214efc
[    9.565448][  T207] RBP: ff1100000f571000 R08: 1fe2200000a429e1 R09: ff1100000e38ae80
[    9.565648][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.565842][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f571000
[    9.566046][  T207] FS:  00007fe4aa8a7840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[    9.566279][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.566447][  T207] CR2: 00007fe4aaab17d0 CR3: 000000000e558002 CR4: 0000000000771ef0
[    9.566642][  T207] PKRU: 55555554
[    9.566740][  T207] Call Trace:
[    9.566838][  T207]  <TASK>
[    9.566906][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.567044][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.567176][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.567282][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.567415][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.567577][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.567708][  T207]  register_netdev (net/core/dev.c:11552)
[    9.567839][  T207]  loopback_net_init (drivers/net/loopback.c:218)
[    9.567971][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.568079][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.568177][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.568310][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.568440][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.568571][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.568701][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.568833][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.568963][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.569101][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.569235][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.569365][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.569499][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.569631][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.569759][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.569893][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.570027][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.570159][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.570292][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.570453][  T207] RIP: 0033:0x7fe4aab69bcb
[    9.570588][  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
[    9.571054][  T207] RSP: 002b:00007ffd0068feb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.571287][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe4aab69bcb
[    9.571484][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.571676][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.571873][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd006920e0
[    9.572076][  T207] R13: 0000000000000001 R14: 00007fe4aa8a76f8 R15: 00007ffd0069286e
| [    9.578063][  T207] ------------[ cut here ]------------
| [    9.578215][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.578447][  T207] Modules linked in:
| [    9.578866][  T207] Tainted: [W]=WARN
[    9.579018][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.579186][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.579364][  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
[    9.579836][  T207] RSP: 0018:ffa0000000557918 EFLAGS: 00010286
[    9.580000][  T207] RAX: 00000000ffffffa6 RBX: ff110000055d8ac0 RCX: 1ff40000000aaee9
[    9.580208][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055d8b7c
[    9.580403][  T207] RBP: ff1100000f37c000 R08: 1fe2200000abb171 R09: ff1100000e38ae80
[    9.580597][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.580789][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f37c000
[    9.580986][  T207] FS:  00007fe4aa8a7840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[    9.581223][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.581386][  T207] CR2: 00007fe4aaab17d0 CR3: 000000000e558002 CR4: 0000000000771ef0
[    9.581583][  T207] PKRU: 55555554
[    9.581681][  T207] Call Trace:
[    9.581779][  T207]  <TASK>
[    9.581847][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.581980][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.582118][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.582223][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.582355][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.582515][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.582647][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.582778][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.582930][  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))
[    9.583131][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.583304][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.583435][  T207]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.583569][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.583668][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.583767][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.583898][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.584556][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.584690][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.584822][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.584956][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.585142][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.585332][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.585463][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.585592][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.585722][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.585855][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.585984][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.586168][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.586300][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.586431][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.586562][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.586725][  T207] RIP: 0033:0x7fe4aab69bcb
[    9.586862][  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
[    9.587387][  T207] RSP: 002b:00007ffd0068feb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.587584][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe4aab69bcb
[    9.587778][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.587970][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.588225][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd006920e0
[    9.588420][  T207] R13: 0000000000000001 R14: 00007fe4aa8a76f8 R15: 00007ffd0069286e
| [    9.593709][  T207] ------------[ cut here ]------------
| [    9.593862][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.594110][  T207] Modules linked in:
| [    9.594487][  T207] Tainted: [W]=WARN
[    9.594585][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.594749][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.594920][  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
[    9.595427][  T207] RSP: 0018:ffa00000005578f8 EFLAGS: 00010286
[    9.595593][  T207] RAX: 00000000ffffffa6 RBX: ff110000055d91c0 RCX: 1ff40000000aaee5
[    9.595791][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055d927c
[    9.595986][  T207] RBP: ff110000059ec000 R08: 1fe2200000abb251 R09: ff1100000e38ae80
[    9.596183][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.596382][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000059ec000
[    9.596582][  T207] FS:  00007fe4aa8a7840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[    9.596812][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.596977][  T207] CR2: 00007fe4aaab17d0 CR3: 000000000e558002 CR4: 0000000000771ef0
[    9.597182][  T207] PKRU: 55555554
[    9.597283][  T207] Call Trace:
[    9.597381][  T207]  <TASK>
[    9.597450][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.597583][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.597715][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.597816][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.597949][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.598118][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.598253][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.598387][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.598517][  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))
[    9.598649][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.598780][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.598913][  T207]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.599051][  T207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.599185][  T207]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.599320][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.599421][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.599520][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.599652][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.599784][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.599917][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.600054][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.600189][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.600330][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.600462][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.600593][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.600723][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.600856][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.600989][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.601126][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.601262][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.601393][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.601524][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.601655][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.601818][  T207] RIP: 0033:0x7fe4aab69bcb
[    9.601956][  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
[    9.602433][  T207] RSP: 002b:00007ffd0068feb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.602633][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe4aab69bcb
[    9.602828][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.603031][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.603269][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd006920e0
[    9.603466][  T207] R13: 0000000000000001 R14: 00007fe4aa8a76f8 R15: 00007ffd0069286e
| [    9.607737][  T207] ------------[ cut here ]------------
| [    9.607880][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.608113][  T207] Modules linked in:
| [    9.608489][  T207] Tainted: [W]=WARN
[    9.608589][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.608751][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.608923][  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
[    9.609395][  T207] RSP: 0018:ffa0000000557a78 EFLAGS: 00010286
[    9.609560][  T207] RAX: 00000000ffffffa6 RBX: ff11000005215000 RCX: 1ff40000000aaf15
[    9.609755][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052150bc
[    9.609952][  T207] RBP: ff1100000f41c000 R08: 1fe2200000a42a19 R09: ff1100000e38ae80
[    9.610151][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.610353][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f41c000
[    9.610551][  T207] FS:  00007fe4aa8a7840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[    9.610781][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.610947][  T207] CR2: 00007fe4aaab17d0 CR3: 000000000e558002 CR4: 0000000000771ef0
[    9.611150][  T207] PKRU: 55555554
[    9.611253][  T207] Call Trace:
[    9.611352][  T207]  <TASK>
[    9.611419][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.611549][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.611679][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.611778][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.611910][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.612079][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.612216][  T207]  register_netdev (net/core/dev.c:11552)
[    9.612347][  T207]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.612479][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.612579][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.612678][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.612808][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.612938][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.613104][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.613248][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.613384][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.613515][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.613646][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.613777][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.613933][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.614096][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.614233][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.614396][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.614526][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.614657][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.614788][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.614919][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.615086][  T207] RIP: 0033:0x7fe4aab69bcb
[    9.615228][  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
[    9.615801][  T207] RSP: 002b:00007ffd0068feb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.616107][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe4aab69bcb
[    9.616401][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.616696][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.616914][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd006920e0
[    9.617127][  T207] R13: 0000000000000001 R14: 00007fe4aa8a76f8 R15: 00007ffd0069286e
| [    9.622505][  T207] ------------[ cut here ]------------
| [    9.622651][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.622877][  T207] Modules linked in:
| [    9.623251][  T207] Tainted: [W]=WARN
[    9.623350][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.623516][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.623684][  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
[    9.624210][  T207] RSP: 0018:ffa0000000557a68 EFLAGS: 00010286
[    9.624376][  T207] RAX: 00000000ffffffa6 RBX: ff110000094a2740 RCX: 1ff40000000aaf13
[    9.624571][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094a27fc
[    9.624766][  T207] RBP: ff1100000f3e4000 R08: 1fe2200001294501 R09: ff1100000e38ae80
[    9.624960][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.625215][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3e4000
[    9.625471][  T207] FS:  00007fe4aa8a7840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[    9.625698][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.625862][  T207] CR2: 00007fe4aaab17d0 CR3: 000000000e558002 CR4: 0000000000771ef0
[    9.626115][  T207] PKRU: 55555554
[    9.626217][  T207] Call Trace:
[    9.626314][  T207]  <TASK>
[    9.626382][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.626511][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.626640][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.626739][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.626871][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.627091][  T207]  register_netdev (net/core/dev.c:11552)
[    9.627225][  T207]  sit_init_net (net/ipv6/sit.c:1860)
[    9.627359][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.627458][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.627556][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.627685][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.627815][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.627947][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.628133][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.628273][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.628402][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.628532][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.628661][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.628791][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.628922][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.629105][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.629238][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.629369][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.629496][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.629625][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.629754][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.629914][  T207] RIP: 0033:0x7fe4aab69bcb
[    9.630107][  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
[    9.630594][  T207] RSP: 002b:00007ffd0068feb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.630794][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe4aab69bcb
[    9.630990][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.631252][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.631463][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd006920e0
[    9.631659][  T207] R13: 0000000000000001 R14: 00007fe4aa8a76f8 R15: 00007ffd0069286e
| [    9.637982][  T207] ------------[ cut here ]------------
| [    9.638121][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.638349][  T207] Modules linked in:
| [    9.638714][  T207] Tainted: [W]=WARN
[    9.638813][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.638976][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.639153][  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
[    9.639620][  T207] RSP: 0018:ffa0000000557a78 EFLAGS: 00010286
[    9.639786][  T207] RAX: 00000000ffffffa6 RBX: ff1100000b4a2200 RCX: 1ff40000000aaf15
[    9.639984][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4a22bc
[    9.640690][  T207] RBP: ff1100000f491000 R08: 1fe2200001694459 R09: ff1100000e38ae80
[    9.640889][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.641142][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f491000
[    9.641399][  T207] FS:  00007fe4aa8a7840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[    9.641627][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.641790][  T207] CR2: 00007fe4aaab17d0 CR3: 000000000e558002 CR4: 0000000000771ef0
[    9.641991][  T207] PKRU: 55555554
[    9.642143][  T207] Call Trace:
[    9.642253][  T207]  <TASK>
[    9.642343][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.642531][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.642684][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.642783][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.642916][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.643137][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.643277][  T207]  register_netdev (net/core/dev.c:11552)
[    9.643407][  T207]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.643538][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.643637][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.643735][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.643863][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.643994][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.644184][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.644342][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.644474][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.644605][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.644734][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.644863][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.645071][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.645202][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.645340][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.645469][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.645597][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.645725][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.645855][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.645985][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.646200][  T207] RIP: 0033:0x7fe4aab69bcb
[    9.646341][  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
[    9.646809][  T207] RSP: 002b:00007ffd0068feb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.647154][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe4aab69bcb
[    9.647353][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.647547][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.647737][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd006920e0
[    9.647933][  T207] R13: 0000000000000001 R14: 00007fe4aa8a76f8 R15: 00007ffd0069286e
| [    9.683891][  T211] ------------[ cut here ]------------
| [    9.684370][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/211
| [    9.684651][  T211] Modules linked in:
| [    9.685196][  T211] Tainted: [W]=WARN
[    9.685347][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.685559][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.685840][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.686359][  T211] RSP: 0018:ffa0000000577020 EFLAGS: 00010286
[    9.686636][  T211] RAX: 00000000ffffffa6 RBX: ff110000029e1540 RCX: 1ff40000000aedca
[    9.686881][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029e15fc
[    9.687139][  T211] RBP: ff1100000f571000 R08: 1fe220000053c2c1 R09: ff1100000e62ae58
[    9.687464][  T211] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.687710][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.687963][  T211] FS:  00007faed7f9a840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[    9.688266][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.688508][  T211] CR2: 0000000027384988 CR3: 000000000284d005 CR4: 0000000000771ef0
[    9.688750][  T211] PKRU: 55555554
[    9.688897][  T211] Call Trace:
[    9.689053][  T211]  <TASK>
[    9.689167][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.689354][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.689501][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.689675][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[    9.689855][  T211]  ? netif_change_name (net/core/dev.c:1495)
[    9.690044][  T211]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.690232][  T211]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.690410][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.690588][  T211]  ? 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))
[    9.690770][  T211]  netif_change_flags (net/core/dev.c:9820)
[    9.690955][  T211]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.691148][  T211]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.691338][  T211]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.691519][  T211]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.691730][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.691907][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.692096][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.692293][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.692471][  T211]  ? __kernel_text_address (kernel/extable.c:79)
[    9.692651][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.692830][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.693019][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.693201][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.693387][  T211]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.693563][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.693740][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.693917][  T211]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.694114][  T211]  ? __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)
[    9.694302][  T211]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.694480][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.694658][  T211]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.694837][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.695029][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.695215][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.695394][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.695574][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.695758][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.695936][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.696126][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.696340][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.696523][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.696704][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.696896][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.697089][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.697275][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.697451][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.697628][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.697810][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.697988][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.698185][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.698374][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.698552][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.698733][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.698913][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.699107][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.699295][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.699472][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.699650][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.699828][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.700022][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.700211][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.700394][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.700570][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.700780][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.700963][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.701155][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.701342][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.701519][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.701734][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.701923][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.702115][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.702313][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.702528][  T211]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.702705][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.702884][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.703081][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.703268][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.703444][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.703651][  T211] RIP: 0033:0x7faed81d408e
[    9.703834][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.704359][  T211] RSP: 002b:00007fff89e9f7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.704601][  T211] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faed81d408e
[    9.704840][  T211] RDX: 0000000000000000 RSI: 00007fff89e9f870 RDI: 0000000000000005
[    9.705090][  T211] RBP: 00007fff89e9f7d0 R08: 0000000000000000 R09: 0000000000000000
[    9.705347][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63c
[    9.705592][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff89e9ff40
| [    9.859642][  T223] ------------[ cut here ]------------
| [    9.859847][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.860199][  T223] Modules linked in:
| [    9.860795][  T223] Tainted: [W]=WARN
[    9.861027][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.861298][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.861581][  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
[    9.862149][  T223] RSP: 0018:ffa0000000a27a80 EFLAGS: 00010286
[    9.862399][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c134c80 RCX: 1ff4000000144f16
[    9.862633][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c134d3c
[    9.862872][  T223] RBP: ff110000119ec000 R08: 1fe22000018269a9 R09: ff1100000f69d180
[    9.863121][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.863369][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000119ec000
[    9.863610][  T223] FS:  00007f7cfe925840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[    9.863882][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.864105][  T223] CR2: 00007f7cfeb31690 CR3: 0000000004b73001 CR4: 0000000000771ef0
[    9.864349][  T223] PKRU: 55555554
[    9.864492][  T223] Call Trace:
[    9.864634][  T223]  <TASK>
[    9.864747][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.864926][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.865117][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.865269][  T223]  register_netdevice (net/core/dev.c:11488)
[    9.865448][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.865658][  T223]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.865835][  T223]  register_netdev (net/core/dev.c:11552)
[    9.866024][  T223]  loopback_net_init (drivers/net/loopback.c:218)
[    9.866202][  T223]  ops_init (net/core/net_namespace.c:137)
[    9.866356][  T223]  setup_net (net/core/net_namespace.c:446)
[    9.866502][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.866676][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.866853][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.867044][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[    9.867227][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.867407][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.867585][  T223]  ksys_unshare (kernel/fork.c:3243)
[    9.867762][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.867938][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.868127][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.868315][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[    9.868493][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.868668][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.868843][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.869033][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.869217][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.869394][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.869602][  T223] RIP: 0033:0x7f7cfebe7bcb
[    9.869783][  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
[    9.870305][  T223] RSP: 002b:00007ffe2b82d178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.870544][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cfebe7bcb
[    9.870782][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.871033][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.871277][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe2b82f3a0
[    9.871514][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2b83086e
| [    9.876325][  T223] ------------[ cut here ]------------
| [    9.876497][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.876764][  T223] Modules linked in:
| [    9.877230][  T223] Tainted: [W]=WARN
[    9.877376][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.877581][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.877794][  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
[    9.878313][  T223] RSP: 0018:ffa0000000a27918 EFLAGS: 00010286
[    9.878521][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c02d700 RCX: 1ff4000000144ee9
[    9.878757][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c02d7bc
[    9.878992][  T223] RBP: ff1100000e179000 R08: 1fe2200001805af9 R09: ff1100000f69d180
[    9.879753][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.880060][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e179000
[    9.880360][  T223] FS:  00007f7cfe925840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[    9.880691][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.880949][  T223] CR2: 00007f7cfeb31690 CR3: 0000000004b73001 CR4: 0000000000771ef0
[    9.881262][  T223] PKRU: 55555554
[    9.881455][  T223] Call Trace:
[    9.881648][  T223]  <TASK>
[    9.881812][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.882052][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.882283][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.882479][  T223]  register_netdevice (net/core/dev.c:11488)
[    9.882708][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.882967][  T223]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.883215][  T223]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.883444][  T223]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.883670][  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))
[    9.883896][  T223]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.884139][  T223]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.884372][  T223]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.884600][  T223]  ops_init (net/core/net_namespace.c:137)
[    9.884800][  T223]  setup_net (net/core/net_namespace.c:446)
[    9.884994][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.885240][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.885466][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.885640][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[    9.885818][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.885995][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.886186][  T223]  ksys_unshare (kernel/fork.c:3243)
[    9.886370][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.886544][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.886717][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.886891][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[    9.887085][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.887267][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.887444][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.887618][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.887793][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.887968][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.888185][  T223] RIP: 0033:0x7f7cfebe7bcb
[    9.888373][  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
[    9.888875][  T223] RSP: 002b:00007ffe2b82d178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.889130][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cfebe7bcb
[    9.889374][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.889611][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.889850][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe2b82f3a0
[    9.890100][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2b83086e
| [    9.894423][  T223] ------------[ cut here ]------------
| [    9.894598][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.894868][  T223] Modules linked in:
| [    9.895393][  T223] Tainted: [W]=WARN
[    9.895537][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.895743][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.895958][  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
[    9.896485][  T223] RSP: 0018:ffa0000000a278f8 EFLAGS: 00010286
[    9.896693][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c02c740 RCX: 1ff4000000144ee5
[    9.896932][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c02c7fc
[    9.897707][  T223] RBP: ff1100000f151000 R08: 1fe2200001805901 R09: ff1100000f69d180
[    9.898002][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.898368][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f151000
[    9.898663][  T223] FS:  00007f7cfe925840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[    9.898989][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.899283][  T223] CR2: 00007f7cfeb31690 CR3: 0000000004b73001 CR4: 0000000000771ef0
[    9.899586][  T223] PKRU: 55555554
[    9.899781][  T223] Call Trace:
[    9.899979][  T223]  <TASK>
[    9.900155][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.900393][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.900622][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.900819][  T223]  register_netdevice (net/core/dev.c:11488)
[    9.901063][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.901334][  T223]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.901564][  T223]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.901794][  T223]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.902035][  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))
[    9.902272][  T223]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.902501][  T223]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.902731][  T223]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.902962][  T223]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.903213][  T223]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.903398][  T223]  ops_init (net/core/net_namespace.c:137)
[    9.903543][  T223]  setup_net (net/core/net_namespace.c:446)
[    9.903688][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.903862][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.904051][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.904240][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[    9.904419][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.904597][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.904774][  T223]  ksys_unshare (kernel/fork.c:3243)
[    9.904948][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.905139][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.905318][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.905499][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[    9.905677][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.905851][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.906037][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.906220][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.906397][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.906574][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.906780][  T223] RIP: 0033:0x7f7cfebe7bcb
[    9.906963][  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
[    9.907483][  T223] RSP: 002b:00007ffe2b82d178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.907724][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cfebe7bcb
[    9.907963][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.908218][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.908459][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe2b82f3a0
[    9.908696][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2b83086e
| [    9.920116][  T223] ------------[ cut here ]------------
| [    9.920296][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.920567][  T223] Modules linked in:
| [    9.921057][  T223] Tainted: [W]=WARN
[    9.921196][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.921412][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.921626][  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
[    9.922143][  T223] RSP: 0018:ffa0000000a27a78 EFLAGS: 00010286
[    9.922358][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c1358c0 RCX: 1ff4000000144f15
[    9.922597][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c13597c
[    9.922832][  T223] RBP: ff1100000f329000 R08: 1fe2200001826b31 R09: ff1100000f69d180
[    9.923081][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.923325][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f329000
[    9.923566][  T223] FS:  00007f7cfe925840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[    9.923834][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.924051][  T223] CR2: 00007f7cfeb31690 CR3: 0000000004b73001 CR4: 0000000000771ef0
[    9.924300][  T223] PKRU: 55555554
[    9.924442][  T223] Call Trace:
[    9.924582][  T223]  <TASK>
[    9.924694][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.924871][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.925057][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.925201][  T223]  register_netdevice (net/core/dev.c:11488)
[    9.925394][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.925596][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.925774][  T223]  register_netdev (net/core/dev.c:11552)
[    9.925948][  T223]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.926142][  T223]  ops_init (net/core/net_namespace.c:137)
[    9.926293][  T223]  setup_net (net/core/net_namespace.c:446)
[    9.926437][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.926609][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.926782][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.926958][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[    9.927147][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.927335][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.927510][  T223]  ksys_unshare (kernel/fork.c:3243)
[    9.927685][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.927858][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.928044][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.928226][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[    9.928403][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.928579][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.928752][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.928926][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.929113][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.929296][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.929503][  T223] RIP: 0033:0x7f7cfebe7bcb
[    9.929682][  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
[    9.930192][  T223] RSP: 002b:00007ffe2b82d178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.930440][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cfebe7bcb
[    9.930677][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.930915][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.931163][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe2b82f3a0
[    9.931408][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2b83086e
| [    9.935939][  T223] ------------[ cut here ]------------
| [    9.936121][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.936399][  T223] Modules linked in:
| [    9.936854][  T223] Tainted: [W]=WARN
[    9.936997][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.937223][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.937439][  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
[    9.937940][  T223] RSP: 0018:ffa0000000a27a68 EFLAGS: 00010286
[    9.938161][  T223] RAX: 00000000ffffffa6 RBX: ff1100000bee2900 RCX: 1ff4000000144f13
[    9.938406][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bee29bc
[    9.938642][  T223] RBP: ff1100000f711000 R08: 1fe22000017dc539 R09: ff1100000f69d180
[    9.938882][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.939133][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f711000
[    9.939380][  T223] FS:  00007f7cfe925840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[    9.939652][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.939861][  T223] CR2: 00007f7cfeb31690 CR3: 0000000004b73001 CR4: 0000000000771ef0
[    9.940116][  T223] PKRU: 55555554
[    9.940266][  T223] Call Trace:
[    9.940409][  T223]  <TASK>
[    9.940524][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.940701][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.940875][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.941033][  T223]  register_netdevice (net/core/dev.c:11488)
[    9.941219][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.941429][  T223]  register_netdev (net/core/dev.c:11552)
[    9.941605][  T223]  sit_init_net (net/ipv6/sit.c:1860)
[    9.941781][  T223]  ops_init (net/core/net_namespace.c:137)
[    9.941927][  T223]  setup_net (net/core/net_namespace.c:446)
[    9.942085][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.942265][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.942444][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.942620][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[    9.942797][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.942974][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.943159][  T223]  ksys_unshare (kernel/fork.c:3243)
[    9.943340][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.943515][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.943692][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.943868][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[    9.944057][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.944238][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.944413][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.944588][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.944763][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.944937][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.945153][  T223] RIP: 0033:0x7f7cfebe7bcb
[    9.945343][  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
[    9.945843][  T223] RSP: 002b:00007ffe2b82d178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.946094][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cfebe7bcb
[    9.946340][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.946577][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.946814][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe2b82f3a0
[    9.947058][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2b83086e
| [    9.952146][  T223] ------------[ cut here ]------------
| [    9.952326][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.952606][  T223] Modules linked in:
| [    9.953067][  T223] Tainted: [W]=WARN
[    9.953217][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.953424][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.953639][  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
[    9.954161][  T223] RSP: 0018:ffa0000000a27a78 EFLAGS: 00010286
[    9.954378][  T223] RAX: 00000000ffffffa6 RBX: ff11000010292e40 RCX: 1ff4000000144f15
[    9.954614][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010292efc
[    9.954862][  T223] RBP: ff1100000ff94000 R08: 1fe22000020525e1 R09: ff1100000f69d180
[    9.955113][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.955358][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff94000
[    9.955596][  T223] FS:  00007f7cfe925840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[    9.955877][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.956093][  T223] CR2: 00007f7cfeb31690 CR3: 0000000004b73001 CR4: 0000000000771ef0
[    9.956340][  T223] PKRU: 55555554
[    9.956482][  T223] Call Trace:
[    9.956624][  T223]  <TASK>
[    9.956736][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.956910][  T223]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.957113][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.957267][  T223]  register_netdevice (net/core/dev.c:11488)
[    9.957443][  T223]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.957646][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.957823][  T223]  register_netdev (net/core/dev.c:11552)
[    9.957997][  T223]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.958185][  T223]  ops_init (net/core/net_namespace.c:137)
[    9.958352][  T223]  setup_net (net/core/net_namespace.c:446)
[    9.958496][  T223]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.958669][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.958843][  T223]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.959031][  T223]  copy_net_ns (net/core/net_namespace.c:579)
[    9.959214][  T223]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.959391][  T223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.959579][  T223]  ksys_unshare (kernel/fork.c:3243)
[    9.959754][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.959927][  T223]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.960116][  T223]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.960300][  T223]  ? __ia32_sys_open (fs/open.c:1374)
[    9.960478][  T223]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.960652][  T223]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.960829][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.961002][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.961188][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.961372][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.961574][  T223] RIP: 0033:0x7f7cfebe7bcb
[    9.961752][  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
[    9.962271][  T223] RSP: 002b:00007ffe2b82d178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.962510][  T223] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cfebe7bcb
[    9.962746][  T223] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.962981][  T223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.963238][  T223] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe2b82f3a0
[    9.963476][  T223] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2b83086e
| [    9.991648][  T224] ------------[ cut here ]------------
| [    9.991789][  T224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/224
| [    9.992018][  T224] Modules linked in:
| [    9.992381][  T224] Tainted: [W]=WARN
[    9.992477][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.992635][  T224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.992800][  T224] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.993736][  T224] RSP: 0018:ffa0000000a47020 EFLAGS: 00010286
[    9.993896][  T224] RAX: 00000000ffffffa6 RBX: ff1100001027aac0 RCX: 1ff4000000148dca
[    9.994088][  T224] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001027ab7c
[    9.994279][  T224] RBP: ff110000119ec000 R08: 1fe220000204f571 R09: ff1100000a99d158
[    9.994466][  T224] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.994652][  T224] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.994839][  T224] FS:  00007f1849523840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[    9.995064][  T224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.995229][  T224] CR2: 0000000029b70988 CR3: 000000000e057002 CR4: 0000000000771ef0
[    9.995418][  T224] PKRU: 55555554
[    9.995511][  T224] Call Trace:
[    9.995604][  T224]  <TASK>
[    9.995669][  T224]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.995797][  T224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.995894][  T224]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.996023][  T224]  __dev_notify_flags (net/core/dev.c:9787)
[    9.996152][  T224]  ? netif_change_name (net/core/dev.c:1495)
[    9.996282][  T224]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.996410][  T224]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.996538][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.996664][  T224]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.996795][  T224]  netif_change_flags (net/core/dev.c:9820)
[    9.996921][  T224]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.997091][  T224]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.997224][  T224]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.997350][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.997509][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.997635][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.997763][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.997889][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.998021][  T224]  ? __kernel_text_address (kernel/extable.c:79)
[    9.998149][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.998279][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.998406][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.998533][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.998660][  T224]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.998786][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.998912][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.999045][  T224]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.999173][  T224]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.999303][  T224]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.999430][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.999564][  T224]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.999695][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.999825][  T224]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.999953][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.000083][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.000216][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.000342][  T224]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.000467][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.000597][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.000725][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.000852][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.000980][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.001112][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.001245][  T224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.001372][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.001498][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.001627][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.001756][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.001883][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.002015][  T224]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.002143][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.002278][  T224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.002408][  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))
[   10.002536][  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))
[   10.002667][  T224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.002796][  T224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.002924][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.003056][  T224]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.003185][  T224]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.003318][  T224]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.003449][  T224]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.003579][  T224]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.003706][  T224]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.003865][  T224]  ? move_addr_to_kernel (net/socket.c:258)
[   10.003995][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.004129][  T224]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.004262][  T224]  ___sys_sendmsg (net/socket.c:2752)
[   10.004389][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.004549][  T224]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.004688][  T224]  __sys_sendmsg (net/socket.c:2784)
[   10.004817][  T224]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.004943][  T224]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.005110][  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)
[   10.005245][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.005374][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.005502][  T224]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.005631][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.005759][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.005917][  T224] RIP: 0033:0x7f184975d08e
[   10.006055][  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
[   10.006517][  T224] RSP: 002b:00007ffd2ef108a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.006711][  T224] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f184975d08e
[   10.006901][  T224] RDX: 0000000000000000 RSI: 00007ffd2ef10950 RDI: 0000000000000005
[   10.007096][  T224] RBP: 00007ffd2ef108b0 R08: 0000000000000000 R09: 0000000000000000
[   10.007292][  T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63d
[   10.007482][  T224] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2ef11020
| [   10.185875][  T229] ------------[ cut here ]------------
| [   10.186053][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/229
| [   10.186284][  T229] Modules linked in:
| [   10.186696][  T229] Tainted: [W]=WARN
[   10.186794][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.186955][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.187131][  T229] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.187586][  T229] RSP: 0018:ffa0000000a96ff8 EFLAGS: 00010286
[   10.187745][  T229] RAX: 00000000ffffffa6 RBX: ff110000102ac200 RCX: 1ff4000000152dc5
[   10.187932][  T229] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102ac2bc
[   10.188130][  T229] RBP: ff1100000a2c1000 R08: 1fe2200002055859 R09: ff1100000f8b2e58
[   10.188324][  T229] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.188511][  T229] R13: 0000000000000000 R14: ffa0000000a97140 R15: ff11000009980ad0
[   10.188699][  T229] FS:  00007f776377c840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.188919][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.189086][  T229] CR2: 00000000075f4988 CR3: 000000000e406003 CR4: 0000000000771ef0
[   10.189279][  T229] PKRU: 55555554
[   10.189374][  T229] Call Trace:
[   10.189469][  T229]  <TASK>
[   10.189535][  T229]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.189663][  T229]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.189821][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.189952][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.190085][  T229]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.190245][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.190370][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.190494][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.190619][  T229]  ? 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))
[   10.190744][  T229]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.190871][  T229]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.190997][  T229]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.191134][  T229]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.191264][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.191420][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.191544][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.191668][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.191793][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.191919][  T229]  ? __kernel_text_address (kernel/extable.c:79)
[   10.192052][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.192179][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.192308][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.192434][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.192558][  T229]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.192683][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.192808][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.192933][  T229]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.193065][  T229]  ? __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)
[   10.193192][  T229]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.193323][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.193449][  T229]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.193574][  T229]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.193702][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.193831][  T229]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.193958][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.194087][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.194217][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.194342][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.194467][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.194595][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.194719][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.194844][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.194969][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.195104][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.195235][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.195361][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.195485][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.195609][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.195737][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.195861][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.195986][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.196115][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.196245][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.196374][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.196499][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.196627][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.196754][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.196880][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.197013][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.197141][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.197273][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.197401][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.197528][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.197653][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.197808][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   10.197935][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.198070][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.198197][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   10.198335][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.198492][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.198631][  T229]  __sys_sendmsg (net/socket.c:2784)
[   10.198757][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.198883][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.199049][  T229]  ? 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)
[   10.199174][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.199306][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.199433][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.199559][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.199684][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.199840][  T229] RIP: 0033:0x7f77639b608e
[   10.199974][  T229] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.200437][  T229] RSP: 002b:00007ffe076f86c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.200629][  T229] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f77639b608e
[   10.200816][  T229] RDX: 0000000000000000 RSI: 00007ffe076f8770 RDI: 0000000000000005
[   10.201003][  T229] RBP: 00007ffe076f86d0 R08: 0000000000000000 R09: 0000000000000000
[   10.201292][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63d
[   10.201585][  T229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe076f8e30
| [   10.204534][  T229] ------------[ cut here ]------------
| [   10.204668][  T229] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/229
| [   10.204891][  T229] Modules linked in:
| [   10.205273][  T229] Tainted: [W]=WARN
[   10.205371][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.205531][  T229] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.205700][  T229] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.206164][  T229] RSP: 0018:ffa0000000a96fc0 EFLAGS: 00010286
[   10.206369][  T229] RAX: 00000000ffffffa6 RBX: ff110000102ad000 RCX: 1ff4000000152dbe
[   10.206565][  T229] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102ad0bc
[   10.206752][  T229] RBP: ff1100000a2c1000 R08: 1fe2200002055a19 R09: ff1100000f8b2e58
[   10.206942][  T229] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.207141][  T229] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009980ad0
[   10.207340][  T229] FS:  00007f776377c840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.207562][  T229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.207722][  T229] CR2: 00000000075f4988 CR3: 000000000e406003 CR4: 0000000000771ef0
[   10.207914][  T229] PKRU: 55555554
[   10.208016][  T229] Call Trace:
[   10.208127][  T229]  <TASK>
[   10.208194][  T229]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.208328][  T229]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.208458][  T229]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.208555][  T229]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.208716][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.208846][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.208976][  T229]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.209141][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.209273][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.209402][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.209529][  T229]  ? 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))
[   10.209683][  T229]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.209839][  T229]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.209967][  T229]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.210105][  T229]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.210239][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.210399][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.210525][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.210652][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.210780][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.210909][  T229]  ? __kernel_text_address (kernel/extable.c:79)
[   10.211045][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.211174][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.211307][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.211436][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.211564][  T229]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.211693][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.211821][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.211951][  T229]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.212084][  T229]  ? __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)
[   10.212217][  T229]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.212345][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.212475][  T229]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.212603][  T229]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.212735][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.212868][  T229]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.212999][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.213141][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.213279][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.213408][  T229]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.213535][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.213667][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.213793][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.213923][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.214056][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.214184][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.214318][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.214446][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.214574][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.214703][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.214833][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.214960][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.215094][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.215226][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.215353][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.215484][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.215615][  T229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.215744][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.215873][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.216001][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.216139][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.216275][  T229]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.216402][  T229]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.216531][  T229]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.216661][  T229]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.216788][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.216945][  T229]  ? move_addr_to_kernel (net/socket.c:258)
[   10.217080][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.217212][  T229]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.217340][  T229]  ___sys_sendmsg (net/socket.c:2752)
[   10.217466][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.217624][  T229]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.217763][  T229]  __sys_sendmsg (net/socket.c:2784)
[   10.217891][  T229]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.218022][  T229]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.218214][  T229]  ? 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)
[   10.218341][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.218472][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.218603][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.218730][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.218858][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.219021][  T229] RIP: 0033:0x7f77639b608e
[   10.219157][  T229] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.219618][  T229] RSP: 002b:00007ffe076f86c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.219809][  T229] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f77639b608e
[   10.219999][  T229] RDX: 0000000000000000 RSI: 00007ffe076f8770 RDI: 0000000000000005
[   10.220197][  T229] RBP: 00007ffe076f86d0 R08: 0000000000000000 R09: 0000000000000000
[   10.220396][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63d
[   10.220585][  T229] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe076f8e30
| [   10.257166][  T230] ------------[ cut here ]------------
| [   10.257343][  T230] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/230
| [   10.257614][  T230] Modules linked in:
| [   10.258091][  T230] Tainted: [W]=WARN
[   10.258238][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.258442][  T230] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.258656][  T230] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.259163][  T230] RSP: 0018:ffa0000000aa7038 EFLAGS: 00010286
[   10.259388][  T230] RAX: 00000000ffffffa6 RBX: ff110000102923c0 RCX: 1ff4000000154dcd
[   10.259625][  T230] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001029247c
[   10.259859][  T230] RBP: ff1100000a2c1000 R08: 1fe2200002052491 R09: ff1100000f8b0b58
[   10.260107][  T230] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.260345][  T230] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   10.260581][  T230] FS:  00007f0faba4d840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   10.260852][  T230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.261070][  T230] CR2: 0000000020f42988 CR3: 000000000aa36002 CR4: 0000000000771ef0
[   10.261313][  T230] PKRU: 55555554
[   10.261453][  T230] Call Trace:
[   10.261595][  T230]  <TASK>
[   10.261707][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.261884][  T230]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.262071][  T230]  notifier_call_chain (kernel/notifier.c:85)
[   10.262256][  T230]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   10.262433][  T230]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.262639][  T230]  ? 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))
[   10.262815][  T230]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.262993][  T230]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   10.263183][  T230]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.263370][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.263575][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.263750][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.263925][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.264188][  T230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.264457][  T230]  ? __kernel_text_address (kernel/extable.c:79)
[   10.264696][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.264944][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.265230][  T230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.265466][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.265678][  T230]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.265846][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.266032][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.266205][  T230]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.266395][  T230]  ? __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)
[   10.266568][  T230]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.266741][  T230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.266915][  T230]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.267102][  T230]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.267286][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.267463][  T230]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.267638][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.267813][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.267987][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.268174][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.268350][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.268526][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.268697][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.268869][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.269059][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.269241][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.269416][  T230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.269590][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.269763][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.269936][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.270124][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.270304][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.270481][  T230]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.270655][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.270829][  T230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.271020][  T230]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.271192][  T230]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.271377][  T230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.271552][  T230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.271728][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.271903][  T230]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.272094][  T230]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.272279][  T230]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.272455][  T230]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.272628][  T230]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.272802][  T230]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.273018][  T230]  ? move_addr_to_kernel (net/socket.c:258)
[   10.273195][  T230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.273378][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.273553][  T230]  ___sys_sendmsg (net/socket.c:2752)
[   10.273727][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.273931][  T230]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.274131][  T230]  __sys_sendmsg (net/socket.c:2784)
[   10.274314][  T230]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.274488][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.274694][  T230]  ? 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)
[   10.274867][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.275055][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.275234][  T230]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.275408][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.275583][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.275788][  T230] RIP: 0033:0x7f0fabc8708e
[   10.275968][  T230] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.276485][  T230] RSP: 002b:00007ffe927232e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.276723][  T230] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0fabc8708e
[   10.276963][  T230] RDX: 0000000000000000 RSI: 00007ffe92723390 RDI: 0000000000000005
[   10.277219][  T230] RBP: 00007ffe927232f0 R08: 0000000000000000 R09: 0000000000000000
[   10.277456][  T230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63d
[   10.277691][  T230] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe92723a60
| [   10.332877][  T232] ------------[ cut here ]------------
| [   10.333029][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/232
| [   10.333254][  T232] Modules linked in:
| [   10.333615][  T232] Tainted: [W]=WARN
[   10.333712][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.333874][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.334676][  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
[   10.335143][  T232] RSP: 0018:ffa0000000ac7020 EFLAGS: 00010286
[   10.335311][  T232] RAX: 00000000ffffffa6 RBX: ff11000010297540 RCX: 1ff4000000158dca
[   10.335503][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102975fc
[   10.335696][  T232] RBP: ff1100000a2c1000 R08: 1fe2200002052ec1 R09: ff1100000fbb2e58
[   10.335887][  T232] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.336085][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.336280][  T232] FS:  00007fd70b8ad840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.336504][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.336666][  T232] CR2: 0000000018889988 CR3: 000000000aa36001 CR4: 0000000000771ef0
[   10.336858][  T232] PKRU: 55555554
[   10.336955][  T232] Call Trace:
[   10.337055][  T232]  <TASK>
[   10.337122][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.337256][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.337355][  T232]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.337484][  T232]  __dev_notify_flags (net/core/dev.c:9787)
[   10.337614][  T232]  ? netif_change_name (net/core/dev.c:1495)
[   10.337744][  T232]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.337875][  T232]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.338003][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.338140][  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))
[   10.338276][  T232]  netif_change_flags (net/core/dev.c:9820)
[   10.338406][  T232]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.338536][  T232]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.338668][  T232]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.338799][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.338962][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.339097][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.339232][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.339360][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.339490][  T232]  ? __kernel_text_address (kernel/extable.c:79)
[   10.339621][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.339753][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.339882][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.340017][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.340148][  T232]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.340278][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.340406][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.340535][  T232]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.340665][  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)
[   10.340794][  T232]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.340924][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.341063][  T232]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.341196][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.341335][  T232]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.341465][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.341593][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.341723][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.341851][  T232]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.341980][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.342117][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.342250][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.342378][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.342508][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.342638][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.342768][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.342897][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.343031][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.343160][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.343295][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.343424][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.343553][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.343684][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.343812][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.343944][  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))
[   10.344080][  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))
[   10.344216][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.344347][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.344477][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.344608][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.344739][  T232]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.344869][  T232]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.345000][  T232]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.345138][  T232]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.345272][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.345443][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   10.345574][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.345705][  T232]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.345835][  T232]  ___sys_sendmsg (net/socket.c:2752)
[   10.345963][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.346129][  T232]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.346275][  T232]  __sys_sendmsg (net/socket.c:2784)
[   10.346405][  T232]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.346532][  T232]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.346696][  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)
[   10.346825][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.346954][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.347085][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.347218][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.347346][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.347505][  T232] RIP: 0033:0x7fd70bae708e
[   10.347640][  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
[   10.348103][  T232] RSP: 002b:00007fff0893dc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.348303][  T232] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd70bae708e
[   10.348495][  T232] RDX: 0000000000000000 RSI: 00007fff0893dd00 RDI: 0000000000000005
[   10.348685][  T232] RBP: 00007fff0893dc60 R08: 0000000000000000 R09: 0000000000000000
[   10.348877][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63d
[   10.349077][  T232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0893e3d0
| [   10.558637][  T238] ------------[ cut here ]------------
| [   10.558802][  T238] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/238
| [   10.559037][  T238] Modules linked in:
| [   10.559405][  T238] Tainted: [W]=WARN
[   10.559502][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.559666][  T238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.559834][  T238] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.560296][  T238] RSP: 0018:ffa0000000b26ff8 EFLAGS: 00010286
[   10.560455][  T238] RAX: 00000000ffffffa6 RBX: ff1100000c38fc40 RCX: 1ff4000000164dc5
[   10.560645][  T238] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c38fcfc
[   10.560833][  T238] RBP: ff1100000950c000 R08: 1fe2200001871fa1 R09: ff1100000f4ed158
[   10.561026][  T238] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.561219][  T238] R13: 0000000000000000 R14: ffa0000000b27140 R15: ff1100000c526350
[   10.561412][  T238] FS:  00007fc332716840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.561633][  T238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.561791][  T238] CR2: 00007f4d63bca930 CR3: 000000000fa0d005 CR4: 0000000000771ef0
[   10.561980][  T238] PKRU: 55555554
[   10.562083][  T238] Call Trace:
[   10.562179][  T238]  <TASK>
[   10.562252][  T238]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.562380][  T238]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.562542][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.562668][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.562796][  T238]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.562954][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.563083][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.563215][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.563344][  T238]  ? 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))
[   10.563472][  T238]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.563600][  T238]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.563728][  T238]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.563856][  T238]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.563984][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.564149][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.564281][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.564407][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.564533][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.564662][  T238]  ? __kernel_text_address (kernel/extable.c:79)
[   10.564790][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.564917][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.565052][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.565191][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.565321][  T238]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.565447][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.565579][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.565761][  T238]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.565949][  T238]  ? __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)
[   10.566155][  T238]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.566357][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.566543][  T238]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.566696][  T238]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.566832][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.566963][  T238]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.567102][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.567237][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.567366][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.567492][  T238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.567619][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.567748][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.567873][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.567999][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.568133][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.568267][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.568396][  T238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.568522][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.568648][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.568773][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.568901][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.569033][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.569159][  T238]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.569292][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.569420][  T238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.569549][  T238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.569674][  T238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.569800][  T238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.569926][  T238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.570055][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.570190][  T238]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.570327][  T238]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.570454][  T238]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.570583][  T238]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.570709][  T238]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.570833][  T238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.570989][  T238]  ? move_addr_to_kernel (net/socket.c:258)
[   10.571122][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.571255][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.571381][  T238]  ___sys_sendmsg (net/socket.c:2752)
[   10.571506][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.571661][  T238]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.571798][  T238]  __sys_sendmsg (net/socket.c:2784)
[   10.571922][  T238]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.572051][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.572216][  T238]  ? 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)
[   10.572342][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.572468][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.572592][  T238]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.572723][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.572851][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.573012][  T238] RIP: 0033:0x7fc33295008e
[   10.573144][  T238] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.573602][  T238] RSP: 002b:00007ffdad710d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.573792][  T238] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc33295008e
[   10.573979][  T238] RDX: 0000000000000000 RSI: 00007ffdad710e30 RDI: 0000000000000005
[   10.574174][  T238] RBP: 00007ffdad710d90 R08: 0000000000000000 R09: 0000000000000000
[   10.574366][  T238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63d
[   10.574553][  T238] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdad7114f0
| [   10.577160][  T238] ------------[ cut here ]------------
| [   10.577333][  T238] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/238
| [   10.577555][  T238] Modules linked in:
| [   10.577915][  T238] Tainted: [W]=WARN
[   10.578018][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.578179][  T238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.578352][  T238] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.578805][  T238] RSP: 0018:ffa0000000b26fc0 EFLAGS: 00010286
[   10.578965][  T238] RAX: 00000000ffffffa6 RBX: ff1100000b572ac0 RCX: 1ff4000000164dbe
[   10.579159][  T238] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b572b7c
[   10.579353][  T238] RBP: ff1100000950c000 R08: 1fe22000016ae571 R09: ff1100000f4ed158
[   10.579543][  T238] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.579732][  T238] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c526350
[   10.579927][  T238] FS:  00007fc332716840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.580155][  T238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.580319][  T238] CR2: 00007f4d63bca930 CR3: 000000000fa0d005 CR4: 0000000000771ef0
[   10.580510][  T238] PKRU: 55555554
[   10.580604][  T238] Call Trace:
[   10.580699][  T238]  <TASK>
[   10.580764][  T238]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.580892][  T238]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.581026][  T238]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.581122][  T238]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.581287][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.581414][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.581542][  T238]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.581701][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.581827][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.581956][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.582092][  T238]  ? 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))
[   10.582225][  T238]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.582404][  T238]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.582593][  T238]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.582787][  T238]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.582982][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.583239][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.583377][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.583505][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.583631][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.583758][  T238]  ? __kernel_text_address (kernel/extable.c:79)
[   10.583887][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.584023][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.584152][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.584285][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.584413][  T238]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.584540][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.584668][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.584796][  T238]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.584924][  T238]  ? __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)
[   10.585054][  T238]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.585185][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.585318][  T238]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.585446][  T238]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.585578][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.585710][  T238]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.585841][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.585969][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.586109][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.586242][  T238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.586370][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.586500][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.586629][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.586756][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.586884][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.587019][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.587151][  T238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.587285][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.587415][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.587542][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.587672][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.587800][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.587929][  T238]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.588064][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.588193][  T238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.588331][  T238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.588488][  T238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.588653][  T238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.588783][  T238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.588912][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.589049][  T238]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.589218][  T238]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.589406][  T238]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.589599][  T238]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.589791][  T238]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.589980][  T238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.590177][  T238]  ? move_addr_to_kernel (net/socket.c:258)
[   10.590313][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.590443][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.590572][  T238]  ___sys_sendmsg (net/socket.c:2752)
[   10.590720][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.590953][  T238]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.591179][  T238]  __sys_sendmsg (net/socket.c:2784)
[   10.591379][  T238]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.591571][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.591772][  T238]  ? 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)
[   10.591900][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.592043][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.592172][  T238]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.592305][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.592432][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.592600][  T238] RIP: 0033:0x7fc33295008e
[   10.592735][  T238] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.593206][  T238] RSP: 002b:00007ffdad710d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.593460][  T238] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc33295008e
[   10.593751][  T238] RDX: 0000000000000000 RSI: 00007ffdad710e30 RDI: 0000000000000005
[   10.594057][  T238] RBP: 00007ffdad710d90 R08: 0000000000000000 R09: 0000000000000000
[   10.594274][  T238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63d
[   10.594466][  T238] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdad7114f0
| [   10.632466][  T239] ------------[ cut here ]------------
| [   10.632599][  T239] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/239
| [   10.632819][  T239] Modules linked in:
| [   10.633773][  T239] Tainted: [W]=WARN
[   10.633870][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.634033][  T239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.634196][  T239] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.634652][  T239] RSP: 0018:ffa0000000b37038 EFLAGS: 00010286
[   10.634811][  T239] RAX: 00000000ffffffa6 RBX: ff1100000b573a80 RCX: 1ff4000000166dcd
[   10.634997][  T239] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b573b3c
[   10.635190][  T239] RBP: ff1100000950c000 R08: 1fe22000016ae769 R09: ff1100000f4eae58
[   10.635386][  T239] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.635571][  T239] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   10.635761][  T239] FS:  00007fc2c3073840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   10.635981][  T239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.636145][  T239] CR2: 000000003e0a8988 CR3: 000000000fb75004 CR4: 0000000000771ef0
[   10.636345][  T239] PKRU: 55555554
[   10.636440][  T239] Call Trace:
[   10.636533][  T239]  <TASK>
[   10.636598][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.636724][  T239]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.636849][  T239]  notifier_call_chain (kernel/notifier.c:85)
[   10.636979][  T239]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   10.637113][  T239]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.637276][  T239]  ? 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))
[   10.637403][  T239]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.637532][  T239]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   10.637660][  T239]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.637787][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.637944][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.638078][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.638205][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.638335][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.638461][  T239]  ? __kernel_text_address (kernel/extable.c:79)
[   10.638588][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.638716][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.638841][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.638968][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.639102][  T239]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.639231][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.639357][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.639483][  T239]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.639610][  T239]  ? __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)
[   10.639735][  T239]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.639861][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.639988][  T239]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.640120][  T239]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.640254][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.640385][  T239]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.640512][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.640637][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.640762][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.640887][  T239]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.641019][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.641147][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.641277][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.641402][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.641527][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.641656][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.641783][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.641909][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.642044][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.642170][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.642302][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.642427][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.642554][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.642678][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.642804][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.642933][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.643065][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.643194][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.643327][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.643454][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.643582][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.643709][  T239]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.643838][  T239]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.643967][  T239]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.644101][  T239]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.644232][  T239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.644388][  T239]  ? move_addr_to_kernel (net/socket.c:258)
[   10.644516][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.644642][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.644771][  T239]  ___sys_sendmsg (net/socket.c:2752)
[   10.644897][  T239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.645058][  T239]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.645197][  T239]  __sys_sendmsg (net/socket.c:2784)
[   10.645330][  T239]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.645456][  T239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.645617][  T239]  ? 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)
[   10.645744][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.645873][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.646000][  T239]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.646133][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.646266][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.646425][  T239] RIP: 0033:0x7fc2c32ad08e
[   10.646559][  T239] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.647019][  T239] RSP: 002b:00007fffd92b3f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.647214][  T239] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc2c32ad08e
[   10.647407][  T239] RDX: 0000000000000000 RSI: 00007fffd92b3fb0 RDI: 0000000000000005
[   10.647599][  T239] RBP: 00007fffd92b3f10 R08: 0000000000000000 R09: 0000000000000000
[   10.647792][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63d
[   10.647983][  T239] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd92b4680
| [   10.702991][  T241] ------------[ cut here ]------------
| [   10.703150][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/241
| [   10.703385][  T241] Modules linked in:
| [   10.703752][  T241] Tainted: [W]=WARN
[   10.703849][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.704020][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.704191][  T241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.704661][  T241] RSP: 0018:ffa0000000b57020 EFLAGS: 00010286
[   10.704824][  T241] RAX: 00000000ffffffa6 RBX: ff1100000d021a80 RCX: 1ff400000016adca
[   10.705102][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d021b3c
[   10.705304][  T241] RBP: ff1100000950c000 R08: 1fe2200001a04369 R09: ff1100000a812e58
[   10.705500][  T241] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.705698][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.705894][  T241] FS:  00007f707c151840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.706215][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.706380][  T241] CR2: 00007f707c4211a0 CR3: 000000000fa0d001 CR4: 0000000000771ef0
[   10.706577][  T241] PKRU: 55555554
[   10.706674][  T241] Call Trace:
[   10.706772][  T241]  <TASK>
[   10.706840][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.706972][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.707159][  T241]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.707295][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   10.707428][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   10.707559][  T241]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.707690][  T241]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.707821][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.707953][  T241]  ? 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))
[   10.708159][  T241]  netif_change_flags (net/core/dev.c:9820)
[   10.708293][  T241]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.708425][  T241]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.708558][  T241]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.708689][  T241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.708853][  T241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.708983][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.709188][  T241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.709324][  T241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.709454][  T241]  ? __kernel_text_address (kernel/extable.c:79)
[   10.709585][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.709717][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.709847][  T241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.709978][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.710174][  T241]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.710310][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.710439][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.710570][  T241]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.710700][  T241]  ? __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)
[   10.710832][  T241]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.710962][  T241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.711101][  T241]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.711239][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.711374][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.711505][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.711635][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.711763][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.711893][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.712025][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.712157][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.712292][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.712422][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.712553][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.712684][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.712824][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.712961][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.713097][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.713230][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.713362][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.713491][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.713620][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.713749][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.713878][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.714018][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.714149][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.714285][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.714416][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.714546][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.714676][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.714807][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.714940][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.715077][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.715206][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.715342][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.715501][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   10.715631][  T241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.715761][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.715892][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   10.716024][  T241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.716184][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.716328][  T241]  __sys_sendmsg (net/socket.c:2784)
[   10.716457][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.716586][  T241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.716748][  T241]  ? 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)
[   10.716877][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.717013][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.717141][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.717274][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.717403][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.717562][  T241] RIP: 0033:0x7f707c38b08e
[   10.717698][  T241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.718162][  T241] RSP: 002b:00007fff7929ab20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.718364][  T241] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f707c38b08e
[   10.718556][  T241] RDX: 0000000000000000 RSI: 00007fff7929abd0 RDI: 0000000000000005
[   10.718750][  T241] RBP: 00007fff7929ab30 R08: 0000000000000000 R09: 0000000000000000
[   10.718942][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63d
[   10.719140][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7929b2a0
| [   10.721475][   T46] ------------[ cut here ]------------
| [   10.721637][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   10.721926][   T46] Modules linked in:
| [   10.722337][   T46] Tainted: [W]=WARN
[   10.722426][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.722574][   T46] Workqueue: events_unbound linkwatch_event
[   10.722735][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.722892][   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
[   10.723450][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   10.723600][   T46] RAX: 00000000ffffffa6 RBX: ff1100000c930740 RCX: 1ff4000000065f02
[   10.723777][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9307fc
[   10.723954][   T46] RBP: ff1100000950c000 R08: 1fe2200001926101 R09: ff110000024a0ba8
[   10.724160][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.724342][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.724521][   T46] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   10.724731][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.724879][   T46] CR2: 000000002fdd9988 CR3: 000000000ff85002 CR4: 0000000000771ef0
[   10.725087][   T46] PKRU: 55555554
[   10.725181][   T46] Call Trace:
[   10.725276][   T46]  <TASK>
[   10.725340][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.725459][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.725579][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.725670][   T46]  netif_state_change (net/core/dev.c:1605)
[   10.725789][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.725938][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.726095][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.726216][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.726339][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.726456][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.726578][   T46]  process_one_work (kernel/workqueue.c:3314)
[   10.726701][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.726820][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.726943][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.727073][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.727191][   T46]  kthread (kernel/kthread.c:436)
[   10.727288][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.727436][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.727555][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.727675][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.727822][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.727941][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.728066][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.730744][   T46] ------------[ cut here ]------------
| [   10.730873][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   10.731120][   T46] Modules linked in:
| [   10.731493][   T46] Tainted: [W]=WARN
[   10.731581][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.731728][   T46] Workqueue: events_unbound linkwatch_event
[   10.731879][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.732056][   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
[   10.732488][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   10.732639][   T46] RAX: 00000000ffffffa6 RBX: ff1100000c931000 RCX: 1ff4000000065f02
[   10.732814][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9310bc
[   10.732991][   T46] RBP: ff1100000a2c1000 R08: 1fe2200001926219 R09: ff110000024a0ba8
[   10.733172][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.733354][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.733530][   T46] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   10.733737][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.733883][   T46] CR2: 000000002fdd9988 CR3: 000000000ff85002 CR4: 0000000000771ef0
[   10.734066][   T46] PKRU: 55555554
[   10.734153][   T46] Call Trace:
[   10.734246][   T46]  <TASK>
[   10.734308][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.734427][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.734547][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.734637][   T46]  netif_state_change (net/core/dev.c:1605)
[   10.734755][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.734904][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.735032][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.735151][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.735275][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.735395][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.735514][   T46]  process_one_work (kernel/workqueue.c:3314)
[   10.735638][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.735755][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.735877][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.735999][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.736124][   T46]  kthread (kernel/kthread.c:436)
[   10.736220][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.736366][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.736485][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.736609][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.736755][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.736874][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.736992][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.881454][  T246] ------------[ cut here ]------------
| [   10.881622][  T246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/246
| [   10.881852][  T246] Modules linked in:
| [   10.882230][  T246] Tainted: [W]=WARN
[   10.882334][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.882503][  T246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.882674][  T246] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.883142][  T246] RSP: 0018:ffa0000000ba7a80 EFLAGS: 00010286
[   10.883312][  T246] RAX: 00000000ffffffa6 RBX: ff110000021fb540 RCX: 1ff4000000174f16
[   10.883508][  T246] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021fb5fc
[   10.883700][  T246] RBP: ff1100000fdcc000 R08: 1fe220000043f6c1 R09: ff1100000e31ae80
[   10.883892][  T246] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.884088][  T246] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fdcc000
[   10.884288][  T246] FS:  00007fb49cc84840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.884516][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.884678][  T246] CR2: 00007fb49ce90690 CR3: 000000000fa0d004 CR4: 0000000000771ef0
[   10.884871][  T246] PKRU: 55555554
[   10.884968][  T246] Call Trace:
[   10.885072][  T246]  <TASK>
[   10.885140][  T246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.885273][  T246]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.885403][  T246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.885503][  T246]  register_netdevice (net/core/dev.c:11488)
[   10.885636][  T246]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.885798][  T246]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.885930][  T246]  register_netdev (net/core/dev.c:11552)
[   10.886124][  T246]  loopback_net_init (drivers/net/loopback.c:218)
[   10.886261][  T246]  ops_init (net/core/net_namespace.c:137)
[   10.886362][  T246]  setup_net (net/core/net_namespace.c:446)
[   10.886460][  T246]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.886589][  T246]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.886719][  T246]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.886851][  T246]  copy_net_ns (net/core/net_namespace.c:579)
[   10.886983][  T246]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.887185][  T246]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.887318][  T246]  ksys_unshare (kernel/fork.c:3243)
[   10.887448][  T246]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.887578][  T246]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.887707][  T246]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.887839][  T246]  ? __ia32_sys_open (fs/open.c:1374)
[   10.887972][  T246]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.888177][  T246]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.888311][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.888439][  T246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.888568][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.888697][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.888858][  T246] RIP: 0033:0x7fb49cf46bcb
[   10.888995][  T246] 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
[   10.889520][  T246] RSP: 002b:00007fff6ed04428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.889716][  T246] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb49cf46bcb
[   10.889909][  T246] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.890157][  T246] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.890352][  T246] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff6ed06650
[   10.890545][  T246] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6ed07869
| [   10.894752][  T246] ------------[ cut here ]------------
| [   10.894885][  T246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/246
| [   10.895345][  T246] Modules linked in:
| [   10.895713][  T246] Tainted: [W]=WARN
[   10.895810][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.895971][  T246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.896144][  T246] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.896605][  T246] RSP: 0018:ffa0000000ba7918 EFLAGS: 00010286
[   10.896766][  T246] RAX: 00000000ffffffa6 RBX: ff1100000b974040 RCX: 1ff4000000174ee9
[   10.896957][  T246] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9740fc
[   10.897154][  T246] RBP: ff1100000f099000 R08: 1fe220000172e821 R09: ff1100000e31ae80
[   10.897347][  T246] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.897539][  T246] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f099000
[   10.897732][  T246] FS:  00007fb49cc84840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.897958][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.898126][  T246] CR2: 00007fb49ce90690 CR3: 000000000fa0d004 CR4: 0000000000771ef0
[   10.898322][  T246] PKRU: 55555554
[   10.898417][  T246] Call Trace:
[   10.898512][  T246]  <TASK>
[   10.898579][  T246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.898708][  T246]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.898837][  T246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.898935][  T246]  register_netdevice (net/core/dev.c:11488)
[   10.899072][  T246]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.899236][  T246]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.899366][  T246]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.899496][  T246]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.899625][  T246]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.899755][  T246]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.899886][  T246]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.900023][  T246]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.900154][  T246]  ops_init (net/core/net_namespace.c:137)
[   10.900255][  T246]  setup_net (net/core/net_namespace.c:446)
[   10.900352][  T246]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.900481][  T246]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.900609][  T246]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.900740][  T246]  copy_net_ns (net/core/net_namespace.c:579)
[   10.900869][  T246]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.901001][  T246]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.901137][  T246]  ksys_unshare (kernel/fork.c:3243)
[   10.901269][  T246]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.901397][  T246]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.901527][  T246]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.901657][  T246]  ? __ia32_sys_open (fs/open.c:1374)
[   10.901786][  T246]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.901914][  T246]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.902053][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.902181][  T246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.902312][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.902441][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.902599][  T246] RIP: 0033:0x7fb49cf46bcb
[   10.902734][  T246] 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
[   10.903196][  T246] RSP: 002b:00007fff6ed04428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.903395][  T246] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb49cf46bcb
[   10.903586][  T246] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.903778][  T246] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.903969][  T246] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff6ed06650
[   10.904166][  T246] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6ed07869
| [   10.907911][  T246] ------------[ cut here ]------------
| [   10.908051][  T246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/246
| [   10.908282][  T246] Modules linked in:
| [   10.908645][  T246] Tainted: [W]=WARN
[   10.908744][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.908906][  T246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.909080][  T246] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.909548][  T246] RSP: 0018:ffa0000000ba78f8 EFLAGS: 00010286
[   10.909711][  T246] RAX: 00000000ffffffa6 RBX: ff1100000b9bf000 RCX: 1ff4000000174ee5
[   10.909904][  T246] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9bf0bc
[   10.910103][  T246] RBP: ff1100000e6a9000 R08: 1fe2200001737e19 R09: ff1100000e31ae80
[   10.910300][  T246] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.910493][  T246] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6a9000
[   10.910688][  T246] FS:  00007fb49cc84840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.910916][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.911084][  T246] CR2: 00007fb49ce90690 CR3: 000000000fa0d004 CR4: 0000000000771ef0
[   10.911285][  T246] PKRU: 55555554
[   10.911381][  T246] Call Trace:
[   10.911478][  T246]  <TASK>
[   10.911545][  T246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.911676][  T246]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.911808][  T246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.911907][  T246]  register_netdevice (net/core/dev.c:11488)
[   10.912044][  T246]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.912206][  T246]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.912341][  T246]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.912473][  T246]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.912603][  T246]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.912736][  T246]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.912867][  T246]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.912999][  T246]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.913137][  T246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.913275][  T246]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.913406][  T246]  ops_init (net/core/net_namespace.c:137)
[   10.913506][  T246]  setup_net (net/core/net_namespace.c:446)
[   10.913605][  T246]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.913735][  T246]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.913866][  T246]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.913998][  T246]  copy_net_ns (net/core/net_namespace.c:579)
[   10.914136][  T246]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.914275][  T246]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.914407][  T246]  ksys_unshare (kernel/fork.c:3243)
[   10.914537][  T246]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.914670][  T246]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.914801][  T246]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.914933][  T246]  ? __ia32_sys_open (fs/open.c:1374)
[   10.915071][  T246]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.915201][  T246]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.915337][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.915465][  T246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.915594][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.915724][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.915883][  T246] RIP: 0033:0x7fb49cf46bcb
[   10.916022][  T246] 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
[   10.916486][  T246] RSP: 002b:00007fff6ed04428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.916681][  T246] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb49cf46bcb
[   10.916874][  T246] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.917074][  T246] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.917272][  T246] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff6ed06650
[   10.917466][  T246] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6ed07869
| [   10.928832][  T246] ------------[ cut here ]------------
| [   10.928970][  T246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/246
| [   10.929203][  T246] Modules linked in:
| [   10.929570][  T246] Tainted: [W]=WARN
[   10.929668][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.929839][  T246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.930012][  T246] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.930473][  T246] RSP: 0018:ffa0000000ba7a78 EFLAGS: 00010286
[   10.930635][  T246] RAX: 00000000ffffffa6 RBX: ff1100000b9be200 RCX: 1ff4000000174f15
[   10.930830][  T246] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9be2bc
[   10.931026][  T246] RBP: ff11000009cd1000 R08: 1fe2200001737c59 R09: ff1100000e31ae80
[   10.931220][  T246] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.931412][  T246] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cd1000
[   10.931608][  T246] FS:  00007fb49cc84840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   10.931835][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.931997][  T246] CR2: 00007fb49ce90690 CR3: 000000000fa0d004 CR4: 0000000000771ef0
[   10.932196][  T246] PKRU: 55555554
[   10.932296][  T246] Call Trace:
[   10.932392][  T246]  <TASK>
[   10.932459][  T246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.932590][  T246]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.932718][  T246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.932817][  T246]  register_netdevice (net/core/dev.c:11488)
[   10.932948][  T246]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.933612][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.933745][  T246]  register_netdev (net/core/dev.c:11552)
[   10.933874][  T246]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.934006][  T246]  ops_init (net/core/net_namespace.c:137)
[   10.934159][  T246]  setup_net (net/core/net_namespace.c:446)
[   10.934260][  T246]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.934441][  T246]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.934570][  T246]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.934701][  T246]  copy_net_ns (net/core/net_namespace.c:579)
[   10.934832][  T246]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.934964][  T246]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.935150][  T246]  ksys_unshare (kernel/fork.c:3243)
[   10.935283][  T246]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.935413][  T246]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.935542][  T246]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.935672][  T246]  ? __ia32_sys_open (fs/open.c:1374)
[   10.935802][  T246]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.935931][  T246]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.936113][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.936246][  T246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.936374][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.936502][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.936661][  T246] RIP: 0033:0x7fb49cf46bcb
[   10.936795][  T246] 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
[   10.937314][  T246] RSP: 002b:00007fff6ed04428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.937508][  T246] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb49cf46bcb
[   10.937699][  T246] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.937892][  T246] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.938137][  T246] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff6ed06650
[   10.938336][  T246] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6ed07869
| [   10.942928][  T246] ------------[ cut here ]------------
| [   10.943082][  T246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/246
| [   10.943318][  T246] Modules linked in:
| [   10.943682][  T246] Tainted: [W]=WARN
[   10.943780][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.943941][  T246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.944118][  T246] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.944581][  T246] RSP: 0018:ffa0000000ba7a68 EFLAGS: 00010286
[   10.944743][  T246] RAX: 00000000ffffffa6 RBX: ff1100000b975c40 RCX: 1ff4000000174f13
[   10.944935][  T246] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b975cfc
[   10.945132][  T246] RBP: ff1100000f929000 R08: 1fe220000172eba1 R09: ff1100000e31ae80
[   10.945329][  T246] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.945524][  T246] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f929000
[   10.945719][  T246] FS:  00007fb49cc84840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   10.945945][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.946112][  T246] CR2: 00007fbbd310f2a0 CR3: 000000000fa0d002 CR4: 0000000000771ef0
[   10.946310][  T246] PKRU: 55555554
[   10.946406][  T246] Call Trace:
[   10.946501][  T246]  <TASK>
[   10.946568][  T246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.946698][  T246]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.946827][  T246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.946924][  T246]  register_netdevice (net/core/dev.c:11488)
[   10.947061][  T246]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.947226][  T246]  register_netdev (net/core/dev.c:11552)
[   10.947354][  T246]  sit_init_net (net/ipv6/sit.c:1860)
[   10.947484][  T246]  ops_init (net/core/net_namespace.c:137)
[   10.947583][  T246]  setup_net (net/core/net_namespace.c:446)
[   10.947682][  T246]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.947810][  T246]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.947939][  T246]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.948076][  T246]  copy_net_ns (net/core/net_namespace.c:579)
[   10.948205][  T246]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.948340][  T246]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.948468][  T246]  ksys_unshare (kernel/fork.c:3243)
[   10.948614][  T246]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.948747][  T246]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.948878][  T246]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.949014][  T246]  ? __ia32_sys_open (fs/open.c:1374)
[   10.949143][  T246]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.949278][  T246]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.949405][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.949533][  T246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.949661][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.949790][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.949950][  T246] RIP: 0033:0x7fb49cf46bcb
[   10.950090][  T246] 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
[   10.950549][  T246] RSP: 002b:00007fff6ed04428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.950744][  T246] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb49cf46bcb
[   10.950935][  T246] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.951133][  T246] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.951330][  T246] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff6ed06650
[   10.951521][  T246] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6ed07869
| [   10.956081][  T246] ------------[ cut here ]------------
| [   10.956215][  T246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/246
| [   10.956440][  T246] Modules linked in:
| [   10.956799][  T246] Tainted: [W]=WARN
[   10.956897][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.957572][  T246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.957741][  T246] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.958259][  T246] RSP: 0018:ffa0000000ba7a78 EFLAGS: 00010286
[   10.958422][  T246] RAX: 00000000ffffffa6 RBX: ff110000103bda80 RCX: 1ff4000000174f15
[   10.958615][  T246] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103bdb3c
[   10.958807][  T246] RBP: ff1100000e3dc000 R08: 1fe2200002077b69 R09: ff1100000e31ae80
[   10.958998][  T246] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.959249][  T246] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e3dc000
[   10.959445][  T246] FS:  00007fb49cc84840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   10.959727][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.959889][  T246] CR2: 00007fbbd310f2a0 CR3: 000000000fa0d002 CR4: 0000000000771ef0
[   10.960137][  T246] PKRU: 55555554
[   10.960238][  T246] Call Trace:
[   10.960334][  T246]  <TASK>
[   10.960401][  T246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.960531][  T246]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.960660][  T246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.960758][  T246]  register_netdevice (net/core/dev.c:11488)
[   10.960888][  T246]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.961101][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.961238][  T246]  register_netdev (net/core/dev.c:11552)
[   10.961367][  T246]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.961497][  T246]  ops_init (net/core/net_namespace.c:137)
[   10.961597][  T246]  setup_net (net/core/net_namespace.c:446)
[   10.961695][  T246]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.961824][  T246]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.961954][  T246]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.962137][  T246]  copy_net_ns (net/core/net_namespace.c:579)
[   10.962272][  T246]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.962406][  T246]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.962534][  T246]  ksys_unshare (kernel/fork.c:3243)
[   10.962663][  T246]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.962791][  T246]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.962920][  T246]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.963102][  T246]  ? __ia32_sys_open (fs/open.c:1374)
[   10.963237][  T246]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.963366][  T246]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.963494][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.963622][  T246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.963751][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.963880][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.964095][  T246] RIP: 0033:0x7fb49cf46bcb
[   10.964233][  T246] 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
[   10.964692][  T246] RSP: 002b:00007fff6ed04428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.964888][  T246] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb49cf46bcb
[   10.965133][  T246] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.965329][  T246] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.965521][  T246] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff6ed06650
[   10.965713][  T246] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6ed07869
| [   11.006435][  T247] ------------[ cut here ]------------
| [   11.006596][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/247
| [   11.006822][  T247] Modules linked in:
| [   11.007192][  T247] Tainted: [W]=WARN
[   11.007292][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.007456][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.007626][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.008089][  T247] RSP: 0018:ffa0000000bb7020 EFLAGS: 00010286
[   11.008256][  T247] RAX: 00000000ffffffa6 RBX: ff110000103bd000 RCX: 1ff4000000176dca
[   11.008449][  T247] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103bd0bc
[   11.008644][  T247] RBP: ff1100000fdcc000 R08: 1fe2200002077a19 R09: ff1100000e090b58
[   11.008835][  T247] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.009032][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.009228][  T247] FS:  00007f5f6707e840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.009454][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.009615][  T247] CR2: 000000001f043988 CR3: 000000000f443004 CR4: 0000000000771ef0
[   11.009808][  T247] PKRU: 55555554
[   11.009904][  T247] Call Trace:
[   11.010000][  T247]  <TASK>
[   11.010072][  T247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.010203][  T247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.010308][  T247]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.010435][  T247]  __dev_notify_flags (net/core/dev.c:9787)
[   11.010566][  T247]  ? netif_change_name (net/core/dev.c:1495)
[   11.010695][  T247]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.010824][  T247]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.010953][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.011086][  T247]  ? 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))
[   11.011222][  T247]  netif_change_flags (net/core/dev.c:9820)
[   11.011351][  T247]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.011481][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.011612][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.011742][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.011904][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.012040][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.012169][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.012300][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.012431][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   11.012559][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.012688][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.012818][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.012951][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.013090][  T247]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.013224][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.013354][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.013484][  T247]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.013613][  T247]  ? __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)
[   11.013741][  T247]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.013871][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.014002][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.014141][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.014276][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.014407][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.014536][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.014662][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.014790][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.014917][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.015054][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.015181][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.015312][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.015441][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.015571][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.015702][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.015830][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.015960][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.016093][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.016228][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.016356][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.016487][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.016616][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.016746][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.016878][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.017014][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.017145][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.017277][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.017407][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.017537][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.017667][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.017797][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.017928][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.018069][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.018197][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.018361][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.018492][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.018620][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.018751][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.018880][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.019047][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.019189][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.019322][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.019450][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.019611][  T247]  ? 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)
[   11.019739][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.019867][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.019996][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.020130][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.020261][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.020420][  T247] RIP: 0033:0x7f5f672b808e
[   11.020553][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.021016][  T247] RSP: 002b:00007ffe0c52ef00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.021213][  T247] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5f672b808e
[   11.021406][  T247] RDX: 0000000000000000 RSI: 00007ffe0c52efb0 RDI: 0000000000000005
[   11.021597][  T247] RBP: 00007ffe0c52ef10 R08: 0000000000000000 R09: 0000000000000000
[   11.021788][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.021979][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0c52f680
| [   11.132874][  T251] ------------[ cut here ]------------
| [   11.133039][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/251
| [   11.133278][  T251] Modules linked in:
| [   11.133652][  T251] Tainted: [W]=WARN
[   11.133752][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.133914][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.134090][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.134560][  T251] RSP: 0018:ffa0000000bf7a80 EFLAGS: 00010286
[   11.134725][  T251] RAX: 00000000ffffffa6 RBX: ff110000103c1a80 RCX: 1ff400000017ef16
[   11.134918][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103c1b3c
[   11.135117][  T251] RBP: ff1100000f3f9000 R08: 1fe2200002078369 R09: ff1100000fd20b80
[   11.135316][  T251] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.135511][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3f9000
[   11.135707][  T251] FS:  00007f9d6cfe6840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.135938][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.136108][  T251] CR2: 00007f9d6d35f493 CR3: 000000000f50c003 CR4: 0000000000771ef0
[   11.136311][  T251] PKRU: 55555554
[   11.136410][  T251] Call Trace:
[   11.136507][  T251]  <TASK>
[   11.136576][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.136707][  T251]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.136838][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.136937][  T251]  register_netdevice (net/core/dev.c:11488)
[   11.137077][  T251]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.137247][  T251]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.137379][  T251]  register_netdev (net/core/dev.c:11552)
[   11.137511][  T251]  loopback_net_init (drivers/net/loopback.c:218)
[   11.137643][  T251]  ops_init (net/core/net_namespace.c:137)
[   11.137743][  T251]  setup_net (net/core/net_namespace.c:446)
[   11.137842][  T251]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.137971][  T251]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.138108][  T251]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.138246][  T251]  copy_net_ns (net/core/net_namespace.c:579)
[   11.138377][  T251]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.138509][  T251]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.138639][  T251]  ksys_unshare (kernel/fork.c:3243)
[   11.138767][  T251]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.138896][  T251]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.139033][  T251]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.139163][  T251]  ? __ia32_sys_open (fs/open.c:1374)
[   11.139297][  T251]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.139426][  T251]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.139555][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.139685][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.139813][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.139943][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.140111][  T251] RIP: 0033:0x7f9d6d2a8bcb
[   11.140256][  T251] 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
[   11.140720][  T251] RSP: 002b:00007ffe30a87fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.140919][  T251] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9d6d2a8bcb
[   11.141167][  T251] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.141368][  T251] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.141564][  T251] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe30a8a210
[   11.141759][  T251] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe30a8b869
| [   11.145981][  T251] ------------[ cut here ]------------
| [   11.146122][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/251
| [   11.146353][  T251] Modules linked in:
| [   11.146714][  T251] Tainted: [W]=WARN
[   11.146813][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.146975][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.147149][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.147614][  T251] RSP: 0018:ffa0000000bf7918 EFLAGS: 00010286
[   11.147776][  T251] RAX: 00000000ffffffa6 RBX: ff1100000b9a8c80 RCX: 1ff400000017eee9
[   11.147969][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9a8d3c
[   11.148170][  T251] RBP: ff1100000f1b4000 R08: 1fe22000017351a9 R09: ff1100000fd20b80
[   11.148369][  T251] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.148562][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1b4000
[   11.148758][  T251] FS:  00007f9d6cfe6840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.148988][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.149155][  T251] CR2: 00007f9d6d35f493 CR3: 000000000f50c003 CR4: 0000000000771ef0
[   11.149354][  T251] PKRU: 55555554
[   11.149451][  T251] Call Trace:
[   11.149550][  T251]  <TASK>
[   11.149617][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.149749][  T251]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.149880][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.149979][  T251]  register_netdevice (net/core/dev.c:11488)
[   11.150116][  T251]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.150283][  T251]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.150414][  T251]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.150544][  T251]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.150675][  T251]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.150808][  T251]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.150938][  T251]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.151077][  T251]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.151214][  T251]  ops_init (net/core/net_namespace.c:137)
[   11.151315][  T251]  setup_net (net/core/net_namespace.c:446)
[   11.151413][  T251]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.151541][  T251]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.151672][  T251]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.151802][  T251]  copy_net_ns (net/core/net_namespace.c:579)
[   11.151933][  T251]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.152071][  T251]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.152201][  T251]  ksys_unshare (kernel/fork.c:3243)
[   11.152335][  T251]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.152464][  T251]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.152596][  T251]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.152726][  T251]  ? __ia32_sys_open (fs/open.c:1374)
[   11.152857][  T251]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.152986][  T251]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.153119][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.153257][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.153385][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.153513][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.153673][  T251] RIP: 0033:0x7f9d6d2a8bcb
[   11.153807][  T251] 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
[   11.154282][  T251] RSP: 002b:00007ffe30a87fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.154480][  T251] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9d6d2a8bcb
[   11.154672][  T251] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.154866][  T251] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.155062][  T251] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe30a8a210
[   11.155257][  T251] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe30a8b869
| [   11.158983][  T251] ------------[ cut here ]------------
| [   11.159414][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/251
| [   11.159646][  T251] Modules linked in:
| [   11.160014][  T251] Tainted: [W]=WARN
[   11.160113][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.160282][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.160454][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.160918][  T251] RSP: 0018:ffa0000000bf78f8 EFLAGS: 00010286
[   11.161085][  T251] RAX: 00000000ffffffa6 RBX: ff1100000b582e40 RCX: 1ff400000017eee5
[   11.161286][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b582efc
[   11.161482][  T251] RBP: ff1100000f13c000 R08: 1fe22000016b05e1 R09: ff1100000fd20b80
[   11.161678][  T251] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.161874][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f13c000
[   11.162076][  T251] FS:  00007f9d6cfe6840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.162311][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.162474][  T251] CR2: 00007f9d6d35f493 CR3: 000000000f50c003 CR4: 0000000000771ef0
[   11.162672][  T251] PKRU: 55555554
[   11.162769][  T251] Call Trace:
[   11.162866][  T251]  <TASK>
[   11.162934][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.163071][  T251]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.163202][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.163306][  T251]  register_netdevice (net/core/dev.c:11488)
[   11.163440][  T251]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.163602][  T251]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.163734][  T251]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.163866][  T251]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.163999][  T251]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.164136][  T251]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.164277][  T251]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.164409][  T251]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.164540][  T251]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.164674][  T251]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.164805][  T251]  ops_init (net/core/net_namespace.c:137)
[   11.164906][  T251]  setup_net (net/core/net_namespace.c:446)
[   11.165012][  T251]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.165144][  T251]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.165281][  T251]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.165414][  T251]  copy_net_ns (net/core/net_namespace.c:579)
[   11.165547][  T251]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.165680][  T251]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.165812][  T251]  ksys_unshare (kernel/fork.c:3243)
[   11.165943][  T251]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.166081][  T251]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.166215][  T251]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.166348][  T251]  ? __ia32_sys_open (fs/open.c:1374)
[   11.166482][  T251]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.166612][  T251]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.166744][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.166875][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.167010][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.167142][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.167312][  T251] RIP: 0033:0x7f9d6d2a8bcb
[   11.167448][  T251] 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
[   11.167916][  T251] RSP: 002b:00007ffe30a87fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.168118][  T251] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9d6d2a8bcb
[   11.168321][  T251] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.168515][  T251] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.168712][  T251] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe30a8a210
[   11.168908][  T251] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe30a8b869
| [   11.172915][  T251] ------------[ cut here ]------------
| [   11.173055][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/251
| [   11.173287][  T251] Modules linked in:
| [   11.173647][  T251] Tainted: [W]=WARN
[   11.173746][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.173909][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.174082][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.174554][  T251] RSP: 0018:ffa0000000bf7a78 EFLAGS: 00010286
[   11.174716][  T251] RAX: 00000000ffffffa6 RBX: ff1100000925d700 RCX: 1ff400000017ef15
[   11.174911][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000925d7bc
[   11.175111][  T251] RBP: ff1100000fe84000 R08: 1fe220000124baf9 R09: ff1100000fd20b80
[   11.175308][  T251] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.175501][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe84000
[   11.175696][  T251] FS:  00007f9d6cfe6840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.175922][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.176087][  T251] CR2: 00007f9d6d35f493 CR3: 000000000f50c003 CR4: 0000000000771ef0
[   11.176288][  T251] PKRU: 55555554
[   11.176384][  T251] Call Trace:
[   11.176480][  T251]  <TASK>
[   11.176546][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.176676][  T251]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.176806][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.176904][  T251]  register_netdevice (net/core/dev.c:11488)
[   11.177042][  T251]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.177204][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.177342][  T251]  register_netdev (net/core/dev.c:11552)
[   11.177470][  T251]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.177601][  T251]  ops_init (net/core/net_namespace.c:137)
[   11.177700][  T251]  setup_net (net/core/net_namespace.c:446)
[   11.177797][  T251]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.177925][  T251]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.178059][  T251]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.178190][  T251]  copy_net_ns (net/core/net_namespace.c:579)
[   11.178326][  T251]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.178460][  T251]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.178589][  T251]  ksys_unshare (kernel/fork.c:3243)
[   11.178719][  T251]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.178848][  T251]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.178980][  T251]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.179115][  T251]  ? __ia32_sys_open (fs/open.c:1374)
[   11.179256][  T251]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.179386][  T251]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.179515][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.179643][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.179773][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.179903][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.180072][  T251] RIP: 0033:0x7f9d6d2a8bcb
[   11.180215][  T251] 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
[   11.180676][  T251] RSP: 002b:00007ffe30a87fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.180874][  T251] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9d6d2a8bcb
[   11.181077][  T251] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.181275][  T251] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.181467][  T251] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe30a8a210
[   11.181659][  T251] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe30a8b869
| [   11.185689][  T251] ------------[ cut here ]------------
| [   11.185824][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/251
| [   11.186054][  T251] Modules linked in:
| [   11.186415][  T251] Tainted: [W]=WARN
[   11.186514][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.186676][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.186843][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.187313][  T251] RSP: 0018:ffa0000000bf7a68 EFLAGS: 00010286
[   11.187476][  T251] RAX: 00000000ffffffa6 RBX: ff1100000b9a9e00 RCX: 1ff400000017ef13
[   11.187668][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9a9ebc
[   11.187864][  T251] RBP: ff1100000fe49000 R08: 1fe22000017353d9 R09: ff1100000fd20b80
[   11.188063][  T251] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.188263][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe49000
[   11.188458][  T251] FS:  00007f9d6cfe6840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.188686][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.188848][  T251] CR2: 00007f9d6d35f493 CR3: 000000000f50c003 CR4: 0000000000771ef0
[   11.189050][  T251] PKRU: 55555554
[   11.189148][  T251] Call Trace:
[   11.189252][  T251]  <TASK>
[   11.189320][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.189450][  T251]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.189580][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.189679][  T251]  register_netdevice (net/core/dev.c:11488)
[   11.189810][  T251]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.189977][  T251]  register_netdev (net/core/dev.c:11552)
[   11.190111][  T251]  sit_init_net (net/ipv6/sit.c:1860)
[   11.190249][  T251]  ops_init (net/core/net_namespace.c:137)
[   11.190350][  T251]  setup_net (net/core/net_namespace.c:446)
[   11.190450][  T251]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.190580][  T251]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.190709][  T251]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.190842][  T251]  copy_net_ns (net/core/net_namespace.c:579)
[   11.190973][  T251]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.191111][  T251]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.191247][  T251]  ksys_unshare (kernel/fork.c:3243)
[   11.191378][  T251]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.191508][  T251]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.191639][  T251]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.191769][  T251]  ? __ia32_sys_open (fs/open.c:1374)
[   11.191900][  T251]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.192036][  T251]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.192165][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.192300][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.192431][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.192562][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.192723][  T251] RIP: 0033:0x7f9d6d2a8bcb
[   11.192858][  T251] 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
[   11.193330][  T251] RSP: 002b:00007ffe30a87fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.193525][  T251] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9d6d2a8bcb
[   11.193720][  T251] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.193912][  T251] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.194109][  T251] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe30a8a210
[   11.194311][  T251] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe30a8b869
| [   11.198834][  T251] ------------[ cut here ]------------
| [   11.198972][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/251
| [   11.199203][  T251] Modules linked in:
| [   11.199574][  T251] Tainted: [W]=WARN
[   11.199672][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.199839][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.200011][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.200479][  T251] RSP: 0018:ffa0000000bf7a78 EFLAGS: 00010286
[   11.200644][  T251] RAX: 00000000ffffffa6 RBX: ff1100000d0a03c0 RCX: 1ff400000017ef15
[   11.200842][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0a047c
[   11.201043][  T251] RBP: ff1100000fe3c000 R08: 1fe2200001a14091 R09: ff1100000fd20b80
[   11.201243][  T251] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.201436][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fe3c000
[   11.201634][  T251] FS:  00007f9d6cfe6840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.201861][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.202029][  T251] CR2: 00007f9d6d35f493 CR3: 000000000f50c003 CR4: 0000000000771ef0
[   11.202225][  T251] PKRU: 55555554
[   11.202322][  T251] Call Trace:
[   11.202421][  T251]  <TASK>
[   11.202488][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.202618][  T251]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.202748][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.202847][  T251]  register_netdevice (net/core/dev.c:11488)
[   11.202978][  T251]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.203147][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.203288][  T251]  register_netdev (net/core/dev.c:11552)
[   11.203417][  T251]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.203548][  T251]  ops_init (net/core/net_namespace.c:137)
[   11.203648][  T251]  setup_net (net/core/net_namespace.c:446)
[   11.203747][  T251]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.203877][  T251]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.204011][  T251]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.204145][  T251]  copy_net_ns (net/core/net_namespace.c:579)
[   11.204284][  T251]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.204417][  T251]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.204548][  T251]  ksys_unshare (kernel/fork.c:3243)
[   11.204677][  T251]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.204806][  T251]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.204936][  T251]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.205074][  T251]  ? __ia32_sys_open (fs/open.c:1374)
[   11.205212][  T251]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.205342][  T251]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.205470][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.205599][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.205729][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.205860][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.206025][  T251] RIP: 0033:0x7f9d6d2a8bcb
[   11.206161][  T251] 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
[   11.206632][  T251] RSP: 002b:00007ffe30a87fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.206828][  T251] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9d6d2a8bcb
[   11.207030][  T251] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.207230][  T251] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.207422][  T251] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe30a8a210
[   11.207618][  T251] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe30a8b869
| [   11.241831][  T252] ------------[ cut here ]------------
| [   11.241979][  T252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/252
| [   11.242739][  T252] Modules linked in:
| [   11.243119][  T252] Tainted: [W]=WARN
[   11.243224][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.243388][  T252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.243558][  T252] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.244042][  T252] RSP: 0018:ffa0000000c07020 EFLAGS: 00010286
[   11.244207][  T252] RAX: 00000000ffffffa6 RBX: ff110000021fb8c0 RCX: 1ff4000000180dca
[   11.244406][  T252] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021fb97c
[   11.244599][  T252] RBP: ff1100000f3f9000 R08: 1fe220000043f731 R09: ff1100000e13d158
[   11.244794][  T252] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.244985][  T252] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.245187][  T252] FS:  00007f3096170840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   11.245424][  T252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.245587][  T252] CR2: 00007f30964401a0 CR3: 0000000011a14002 CR4: 0000000000771ef0
[   11.245783][  T252] PKRU: 55555554
[   11.245880][  T252] Call Trace:
[   11.245976][  T252]  <TASK>
[   11.246050][  T252]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.246181][  T252]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.246285][  T252]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.246415][  T252]  __dev_notify_flags (net/core/dev.c:9787)
[   11.246546][  T252]  ? netif_change_name (net/core/dev.c:1495)
[   11.246678][  T252]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.246808][  T252]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.246939][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.247079][  T252]  ? 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))
[   11.247216][  T252]  netif_change_flags (net/core/dev.c:9820)
[   11.247349][  T252]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.247480][  T252]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.247613][  T252]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.247743][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.247904][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.248041][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.248170][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.248307][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.248439][  T252]  ? __kernel_text_address (kernel/extable.c:79)
[   11.248569][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.248701][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.248830][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.248961][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.249098][  T252]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.249230][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.249361][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.249490][  T252]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.249620][  T252]  ? __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)
[   11.249749][  T252]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.249880][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.250015][  T252]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.250147][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.250283][  T252]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.250415][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.250544][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.250674][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.250804][  T252]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.250932][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.251071][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.251200][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.251334][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.251465][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.251596][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.251737][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.251869][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.251999][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.252139][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.252279][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.252410][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.252542][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.252673][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.252804][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.252938][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.253076][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.253207][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.253343][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.253475][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.253607][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.253738][  T252]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.253869][  T252]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.254001][  T252]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.254140][  T252]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.254276][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.254438][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   11.254569][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.254699][  T252]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.254831][  T252]  ___sys_sendmsg (net/socket.c:2752)
[   11.254961][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.255131][  T252]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.255278][  T252]  __sys_sendmsg (net/socket.c:2784)
[   11.255409][  T252]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.255538][  T252]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.255703][  T252]  ? 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)
[   11.255834][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.255965][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.256103][  T252]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.256237][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.256368][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.256530][  T252] RIP: 0033:0x7f30963aa08e
[   11.256666][  T252] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.257136][  T252] RSP: 002b:00007ffc6bbbbe90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.257339][  T252] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f30963aa08e
[   11.257531][  T252] RDX: 0000000000000000 RSI: 00007ffc6bbbbf40 RDI: 0000000000000005
[   11.257724][  T252] RBP: 00007ffc6bbbbea0 R08: 0000000000000000 R09: 0000000000000000
[   11.257918][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.258118][  T252] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6bbbc610
| [   11.362400][  T255] ------------[ cut here ]------------
| [   11.362565][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/255
| [   11.362798][  T255] Modules linked in:
| [   11.363181][  T255] Tainted: [W]=WARN
[   11.363286][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.363455][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.363634][  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
[   11.364120][  T255] RSP: 0018:ffa0000000c36e30 EFLAGS: 00010286
[   11.364296][  T255] RAX: 00000000ffffffa6 RBX: ff11000011888900 RCX: 1ff4000000186d8c
[   11.364499][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000118889bc
[   11.364701][  T255] RBP: ff1100000f331000 R08: 1fe2200002311139 R09: ff1100000f1cae80
[   11.364898][  T255] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.365102][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf46000
[   11.365304][  T255] FS:  00007f8a72b61840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.365538][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.365704][  T255] CR2: 000000000042ebe0 CR3: 0000000011a06003 CR4: 0000000000771ef0
[   11.365904][  T255] PKRU: 55555554
[   11.366003][  T255] Call Trace:
[   11.366110][  T255]  <TASK>
[   11.366179][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.366319][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.366423][  T255]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.366589][  T255]  __dev_notify_flags (net/core/dev.c:9787)
[   11.366724][  T255]  ? netif_change_name (net/core/dev.c:1495)
[   11.366857][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.366991][  T255]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.367128][  T255]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.367267][  T255]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.367404][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.367538][  T255]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.367672][  T255]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.367807][  T255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.367939][  T255]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.368080][  T255]  veth_newlink (drivers/net/veth.c:1871)
[   11.368217][  T255]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.368350][  T255]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.368483][  T255]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.368614][  T255]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.368763][  T255]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.368897][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.369038][  T255]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.369172][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.369312][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.369447][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.369583][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.369716][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.369850][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.369988][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.370131][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.370271][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.370404][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.370536][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.370668][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.370799][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.370937][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.371079][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.371217][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.371352][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.371484][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.371616][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.371752][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.371884][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.372044][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.372180][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.372319][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.372458][  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))
[   11.372591][  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))
[   11.372727][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.372861][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.372996][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.373137][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.373277][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.373412][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.373549][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.373683][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.373817][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.373983][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.374125][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   11.374260][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.374393][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.374537][  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))
[   11.374674][  T255]  __sys_sendmsg (net/socket.c:2784)
[   11.374807][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.374945][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.375083][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.375222][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.375357][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.375492][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.375627][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.375792][  T255] RIP: 0033:0x7f8a72d9b08e
[   11.375931][  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
[   11.376418][  T255] RSP: 002b:00007ffc23cb47c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.376621][  T255] RAX: ffffffffffffffda RBX: 00007ffc23cb4f68 RCX: 00007f8a72d9b08e
[   11.376820][  T255] RDX: 0000000000000000 RSI: 00007ffc23cb4870 RDI: 0000000000000005
[   11.377023][  T255] RBP: 00007ffc23cb47d0 R08: 0000000000000000 R09: 0000000000000000
[   11.377227][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.377427][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc23cb4f40
| [   11.391907][  T255] ------------[ cut here ]------------
| [   11.392064][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/255
| [   11.392300][  T255] Modules linked in:
| [   11.392669][  T255] Tainted: [W]=WARN
[   11.392769][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.392936][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.393115][  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
[   11.393588][  T255] RSP: 0018:ffa0000000c371b0 EFLAGS: 00010286
[   11.393754][  T255] RAX: 00000000ffffffa6 RBX: ff11000005214c80 RCX: 1ff4000000186dfc
[   11.393952][  T255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005214d3c
[   11.394171][  T255] RBP: ff1100000a88c000 R08: 1fe2200000a429a9 R09: ff1100000f1cae80
[   11.394372][  T255] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.394567][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffaf203b20
[   11.394767][  T255] FS:  00007f8a72b61840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   11.395000][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.395176][  T255] CR2: 00007ff2bd85d000 CR3: 0000000011a06001 CR4: 0000000000771ef0
[   11.395382][  T255] PKRU: 55555554
[   11.395481][  T255] Call Trace:
[   11.395580][  T255]  <TASK>
[   11.395649][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.395784][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.395886][  T255]  __dev_notify_flags (net/core/dev.c:9787)
[   11.396024][  T255]  ? netif_change_name (net/core/dev.c:1495)
[   11.396159][  T255]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.396297][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.396433][  T255]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.396568][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.396702][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.396835][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.396967][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.397115][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.397257][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.397393][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.397524][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.397656][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.397788][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.397918][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.398059][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.398192][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.398329][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.398461][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.398594][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.398726][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.398861][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.398992][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.399131][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.399268][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.399402][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.399538][  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))
[   11.399671][  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))
[   11.399805][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.399938][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.400078][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.400217][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.400352][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.400487][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.400621][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.400755][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.400887][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.401054][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.401191][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   11.401328][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.401461][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.401603][  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))
[   11.401737][  T255]  __sys_sendmsg (net/socket.c:2784)
[   11.401870][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.402005][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.402143][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.402278][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.402410][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.402541][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.402675][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.402838][  T255] RIP: 0033:0x7f8a72d9b08e
[   11.402975][  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
[   11.403456][  T255] RSP: 002b:00007ffc23cb47c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.403657][  T255] RAX: ffffffffffffffda RBX: 00007ffc23cb4f68 RCX: 00007f8a72d9b08e
[   11.403854][  T255] RDX: 0000000000000000 RSI: 00007ffc23cb4870 RDI: 0000000000000005
[   11.404055][  T255] RBP: 00007ffc23cb47d0 R08: 0000000000000000 R09: 0000000000000000
[   11.404257][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.404455][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc23cb4f40
| [   11.442305][  T256] ------------[ cut here ]------------
| [   11.442445][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/256
| [   11.442661][  T256] Modules linked in:
| [   11.443021][  T256] Tainted: [W]=WARN
[   11.443116][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.443280][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.443441][  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
[   11.443893][  T256] RSP: 0018:ffa0000000c46ff8 EFLAGS: 00010286
[   11.444057][  T256] RAX: 00000000ffffffa6 RBX: ff1100000925ce40 RCX: 1ff4000000188dc5
[   11.444253][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000925cefc
[   11.444440][  T256] RBP: ff1100000f331000 R08: 1fe220000124b9e1 R09: ff1100000f1c8b58
[   11.444626][  T256] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.444811][  T256] R13: 0000000000000000 R14: ffa0000000c47140 R15: ff1100000d2dadd0
[   11.444998][  T256] FS:  00007f597c166840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.445228][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.445387][  T256] CR2: 0000000003d09988 CR3: 0000000011a48006 CR4: 0000000000771ef0
[   11.445576][  T256] PKRU: 55555554
[   11.445669][  T256] Call Trace:
[   11.445763][  T256]  <TASK>
[   11.445828][  T256]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   11.445956][  T256]  __dev_change_net_namespace (net/core/dev.c:12635)
[   11.446117][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.446246][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.446373][  T256]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.446527][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.446651][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.446775][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.446901][  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))
[   11.447035][  T256]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.447160][  T256]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   11.447293][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.447420][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.447545][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.447700][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.447825][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.447949][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.448087][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.448217][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   11.448343][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.448470][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.448594][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.448720][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.448845][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.448968][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.449149][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.449279][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.449405][  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)
[   11.449529][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.449654][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.449780][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.449903][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.450080][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.450215][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.450342][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.450466][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.450590][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.450714][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.450837][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.450962][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.451092][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.451218][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.451343][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.451467][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.451593][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.451722][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.451852][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.451980][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.452118][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.452252][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.452376][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.452500][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.452623][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.452751][  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))
[   11.452875][  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))
[   11.453001][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.453134][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.453263][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.453387][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.453510][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.453637][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.453762][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.453885][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.454016][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.454173][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.454305][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.454430][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.454554][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   11.454677][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.454830][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.454967][  T256]  __sys_sendmsg (net/socket.c:2784)
[   11.455098][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.455225][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.455382][  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)
[   11.455506][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.455630][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.455754][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.455878][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.456001][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.456164][  T256] RIP: 0033:0x7f597c3a008e
[   11.456298][  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
[   11.456740][  T256] RSP: 002b:00007ffed617fa10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.456930][  T256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f597c3a008e
[   11.457121][  T256] RDX: 0000000000000000 RSI: 00007ffed617fac0 RDI: 0000000000000005
[   11.457310][  T256] RBP: 00007ffed617fa20 R08: 0000000000000000 R09: 0000000000000000
[   11.457494][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.457680][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed6180190
| [   11.467646][  T256] ------------[ cut here ]------------
| [   11.467785][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/256
| [   11.468004][  T256] Modules linked in:
| [   11.468367][  T256] Tainted: [W]=WARN
[   11.468461][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.468619][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.468785][  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
[   11.469248][  T256] RSP: 0018:ffa0000000c46fc0 EFLAGS: 00010286
[   11.469410][  T256] RAX: 00000000ffffffa6 RBX: ff11000005214740 RCX: 1ff4000000188dbe
[   11.469599][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000052147fc
[   11.469788][  T256] RBP: ff1100000f331000 R08: 1fe2200000a42901 R09: ff1100000f1c8b58
[   11.469975][  T256] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.470168][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d2dadd0
[   11.470364][  T256] FS:  00007f597c166840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.470587][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.470746][  T256] CR2: 0000000003d09988 CR3: 0000000011a48006 CR4: 0000000000771ef0
[   11.470938][  T256] PKRU: 55555554
[   11.471040][  T256] Call Trace:
[   11.471135][  T256]  <TASK>
[   11.471201][  T256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.471336][  T256]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.471465][  T256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.471562][  T256]  __dev_change_net_namespace (net/core/dev.c:12695)
[   11.471721][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.471845][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.471974][  T256]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.472139][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.472272][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.472400][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.472527][  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))
[   11.472655][  T256]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.472784][  T256]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   11.472912][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.473049][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.473179][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.473342][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.473468][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.473595][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.473722][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.473849][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   11.473977][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.474113][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.474248][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.474377][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.474505][  T256]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.474631][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.474758][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.474886][  T256]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.475018][  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)
[   11.475145][  T256]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.475282][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.475412][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.475537][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.475667][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.475798][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.475926][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.476060][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.476188][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.476319][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.476446][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.476574][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.476700][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.476827][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.476954][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.477086][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.477219][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.477346][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.477474][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.477601][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.477729][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.477855][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.477984][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.478115][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.478245][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.478374][  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))
[   11.478501][  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))
[   11.478629][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.478756][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.478884][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.479019][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.479147][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.479280][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.479409][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.479535][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.479661][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.479817][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.479947][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.480077][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.480206][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   11.480337][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.480493][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.480632][  T256]  __sys_sendmsg (net/socket.c:2784)
[   11.480759][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.480887][  T256]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.481052][  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)
[   11.481180][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.481310][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.481437][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.481562][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.481688][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.481844][  T256] RIP: 0033:0x7f597c3a008e
[   11.481978][  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
[   11.482439][  T256] RSP: 002b:00007ffed617fa10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.482630][  T256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f597c3a008e
[   11.482820][  T256] RDX: 0000000000000000 RSI: 00007ffed617fac0 RDI: 0000000000000005
[   11.483014][  T256] RBP: 00007ffed617fa20 R08: 0000000000000000 R09: 0000000000000000
[   11.483203][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.483396][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed6180190
| [   11.545122][  T258] ------------[ cut here ]------------
| [   11.545274][  T258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/258
| [   11.545503][  T258] Modules linked in:
| [   11.545864][  T258] Tainted: [W]=WARN
[   11.545961][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.546131][  T258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.546306][  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
[   11.546768][  T258] RSP: 0018:ffa0000000c67020 EFLAGS: 00010286
[   11.546929][  T258] RAX: 00000000ffffffa6 RBX: ff110000094a2200 RCX: 1ff400000018cdca
[   11.547128][  T258] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094a22bc
[   11.547325][  T258] RBP: ff1100000a88c000 R08: 1fe2200001294459 R09: ff1100000f285158
[   11.547516][  T258] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.547709][  T258] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.547903][  T258] FS:  00007f18a4a58840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.548134][  T258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.548301][  T258] CR2: 0000000002225988 CR3: 0000000011a48002 CR4: 0000000000771ef0
[   11.548497][  T258] PKRU: 55555554
[   11.548593][  T258] Call Trace:
[   11.548690][  T258]  <TASK>
[   11.548756][  T258]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.548887][  T258]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.548986][  T258]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.549117][  T258]  __dev_notify_flags (net/core/dev.c:9787)
[   11.549252][  T258]  ? netif_change_name (net/core/dev.c:1495)
[   11.549382][  T258]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.549511][  T258]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.549638][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.549769][  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))
[   11.549899][  T258]  netif_change_flags (net/core/dev.c:9820)
[   11.550035][  T258]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.550165][  T258]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.550300][  T258]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.550430][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.550590][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.550718][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.550846][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.550974][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.551110][  T258]  ? __kernel_text_address (kernel/extable.c:79)
[   11.551244][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.551373][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.551500][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.551628][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.551756][  T258]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.551884][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.552016][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.552145][  T258]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.552276][  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)
[   11.552404][  T258]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.552532][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.552661][  T258]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.552793][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.552924][  T258]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.553622][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.553753][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.553882][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.554015][  T258]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.554142][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.554275][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.554403][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.554531][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.554661][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.554792][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.554921][  T258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.555052][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.555180][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.555311][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.555442][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.555569][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.555700][  T258]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.555829][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.555959][  T258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.556097][  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))
[   11.556228][  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))
[   11.556357][  T258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.556487][  T258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.556619][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.556751][  T258]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.556882][  T258]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.557019][  T258]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.557152][  T258]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.557285][  T258]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.557414][  T258]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.557574][  T258]  ? move_addr_to_kernel (net/socket.c:258)
[   11.557704][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.557832][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.557962][  T258]  ___sys_sendmsg (net/socket.c:2752)
[   11.558095][  T258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.558258][  T258]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.558398][  T258]  __sys_sendmsg (net/socket.c:2784)
[   11.558527][  T258]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.558655][  T258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.558817][  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)
[   11.558946][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.559079][  T258]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.559207][  T258]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.559339][  T258]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.559467][  T258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.559629][  T258] RIP: 0033:0x7f18a4c9208e
[   11.559764][  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
[   11.560231][  T258] RSP: 002b:00007ffc8555f4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.560437][  T258] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f18a4c9208e
[   11.560629][  T258] RDX: 0000000000000000 RSI: 00007ffc8555f550 RDI: 0000000000000005
[   11.560822][  T258] RBP: 00007ffc8555f4b0 R08: 0000000000000000 R09: 0000000000000000
[   11.561020][  T258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.561216][  T258] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8555fc20
| [   11.625018][  T260] ------------[ cut here ]------------
| [   11.625170][  T260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/260
| [   11.625420][  T260] Modules linked in:
| [   11.625812][  T260] Tainted: [W]=WARN
[   11.625914][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.626089][  T260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.626295][  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
[   11.626772][  T260] RSP: 0018:ffa0000000c871b0 EFLAGS: 00010286
[   11.626941][  T260] RAX: 00000000ffffffa6 RBX: ff110000029e18c0 RCX: 1ff4000000190dfc
[   11.627148][  T260] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029e197c
[   11.627358][  T260] RBP: ff110000058d9000 R08: 1fe220000053c331 R09: ff1100000f032e80
[   11.627557][  T260] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.627755][  T260] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffaf208da0
[   11.627956][  T260] FS:  00007f872611b840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   11.628199][  T260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.628374][  T260] CR2: 00000000004a2860 CR3: 0000000011a9d003 CR4: 0000000000771ef0
[   11.628587][  T260] PKRU: 55555554
[   11.628687][  T260] Call Trace:
[   11.628788][  T260]  <TASK>
[   11.628858][  T260]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.628994][  T260]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.629103][  T260]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   11.629247][  T260]  __dev_notify_flags (net/core/dev.c:9787)
[   11.629443][  T260]  ? netif_change_name (net/core/dev.c:1495)
[   11.629637][  T260]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   11.629797][  T260]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   11.629932][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.630077][  T260]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   11.630218][  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))
[   11.630356][  T260]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.630490][  T260]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   11.630625][  T260]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.630759][  T260]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.630892][  T260]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.631110][  T260]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.631256][  T260]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.631394][  T260]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.631529][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.631661][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.631794][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.631926][  T260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.632119][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.632263][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.632397][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.632532][  T260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.632665][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.632799][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.632931][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.633126][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.633291][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.633427][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.633560][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.633693][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.633829][  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))
[   11.633962][  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))
[   11.634106][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.634248][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.634383][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.634518][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.634652][  T260]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.634786][  T260]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.634924][  T260]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.635064][  T260]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.635197][  T260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.635370][  T260]  ? move_addr_to_kernel (net/socket.c:258)
[   11.635508][  T260]  ___sys_sendmsg (net/socket.c:2752)
[   11.635643][  T260]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.635780][  T260]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.635949][  T260]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.636089][  T260]  __sys_sendmsg (net/socket.c:2784)
[   11.636225][  T260]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.636362][  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)
[   11.636496][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.636631][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.636764][  T260]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.636896][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.637034][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.637200][  T260] RIP: 0033:0x7f872635508e
[   11.637345][  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
[   11.637819][  T260] RSP: 002b:00007ffc1a8a1b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.638022][  T260] RAX: ffffffffffffffda RBX: 00007ffc1a8a22f8 RCX: 00007f872635508e
[   11.638226][  T260] RDX: 0000000000000000 RSI: 00007ffc1a8a1c00 RDI: 0000000000000005
[   11.638423][  T260] RBP: 00007ffc1a8a1b60 R08: 0000000000000000 R09: 0000000000000000
[   11.638625][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.638824][  T260] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1a8a22d0
| [   11.669775][  T261] ------------[ cut here ]------------
| [   11.669923][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/261
| [   11.670163][  T261] Modules linked in:
| [   11.670544][  T261] Tainted: [W]=WARN
[   11.670644][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.670810][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.670989][  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
[   11.671457][  T261] RSP: 0018:ffa0000000c97020 EFLAGS: 00010286
[   11.671622][  T261] RAX: 00000000ffffffa6 RBX: ff110000029e1700 RCX: 1ff4000000192dca
[   11.671815][  T261] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029e17bc
[   11.672014][  T261] RBP: ff110000058d9000 R08: 1fe220000053c2f9 R09: ff1100000e048b58
[   11.672207][  T261] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.672404][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.672599][  T261] FS:  00007fea4f90a840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.672827][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.672989][  T261] CR2: 00000000318e1988 CR3: 0000000011a48004 CR4: 0000000000771ef0
[   11.673189][  T261] PKRU: 55555554
[   11.673289][  T261] Call Trace:
[   11.673387][  T261]  <TASK>
[   11.673454][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.673587][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.673687][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.673817][  T261]  __dev_notify_flags (net/core/dev.c:9787)
[   11.673949][  T261]  ? netif_change_name (net/core/dev.c:1495)
[   11.674085][  T261]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.674219][  T261]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.674349][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.674481][  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))
[   11.674615][  T261]  netif_change_flags (net/core/dev.c:9820)
[   11.674745][  T261]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.674875][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.675012][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.675143][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.675314][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.675444][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.675574][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.675704][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.675834][  T261]  ? __kernel_text_address (kernel/extable.c:79)
[   11.675964][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.676100][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.676234][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.676366][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.676496][  T261]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.676625][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.676754][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.676882][  T261]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.677097][  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)
[   11.677236][  T261]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.677366][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.677498][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.677629][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.677761][  T261]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.677892][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.678096][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.678286][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.678420][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.678548][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.678678][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.678806][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.678935][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.679125][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.679259][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.679388][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.679516][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.679647][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.679775][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.679906][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.680090][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.680224][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.680353][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.680482][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.680615][  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))
[   11.680744][  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))
[   11.680875][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.681062][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.681193][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.681328][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.681458][  T261]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.681589][  T261]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.681721][  T261]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.681851][  T261]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.681980][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.682195][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   11.682332][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.682461][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.682591][  T261]  ___sys_sendmsg (net/socket.c:2752)
[   11.682721][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.682883][  T261]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.683091][  T261]  __sys_sendmsg (net/socket.c:2784)
[   11.683224][  T261]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.683353][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.683517][  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)
[   11.683646][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.683778][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.683906][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.684127][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.684260][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.684420][  T261] RIP: 0033:0x7fea4fb4408e
[   11.684556][  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
[   11.685113][  T261] RSP: 002b:00007ffc4a4ef240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.685314][  T261] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fea4fb4408e
[   11.685506][  T261] RDX: 0000000000000000 RSI: 00007ffc4a4ef2f0 RDI: 0000000000000005
[   11.685698][  T261] RBP: 00007ffc4a4ef250 R08: 0000000000000000 R09: 0000000000000000
[   11.685894][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.686173][  T261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4a4ef9c0
| [   11.710911][  T262] ------------[ cut here ]------------
| [   11.711067][  T262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/262
| [   11.711309][  T262] Modules linked in:
| [   11.711679][  T262] Tainted: [W]=WARN
[   11.711778][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.711945][  T262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.712122][  T262] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.712594][  T262] RSP: 0018:ffa0000000c96f40 EFLAGS: 00010286
[   11.712762][  T262] RAX: 00000000ffffffa6 RBX: ff11000002631a80 RCX: 1ff4000000192dae
[   11.712963][  T262] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002631b3c
[   11.713168][  T262] RBP: ff1100000f331000 R08: 1fe22000004c6369 R09: ff1100000e04d158
[   11.713372][  T262] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.713569][  T262] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   11.713769][  T262] FS:  00007f8a6433e840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.714002][  T262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.714178][  T262] CR2: 000000000638d988 CR3: 0000000011a48001 CR4: 0000000000771ef0
[   11.714386][  T262] PKRU: 55555554
[   11.714485][  T262] Call Trace:
[   11.714585][  T262]  <TASK>
[   11.714654][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.714788][  T262]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.714923][  T262]  notifier_call_chain (kernel/notifier.c:85)
[   11.715697][  T262]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   11.715833][  T262]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   11.715966][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.716106][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.716245][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.716418][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.716549][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.716684][  T262]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   11.716818][  T262]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   11.716953][  T262]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   11.717091][  T262]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.717229][  T262]  do_set_master (net/core/rtnetlink.c:3011)
[   11.717362][  T262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.717496][  T262]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   11.717632][  T262]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.717768][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.717934][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.718074][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.718208][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.718346][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.718479][  T262]  ? __kernel_text_address (kernel/extable.c:79)
[   11.718611][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.718747][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.718879][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.719017][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.719156][  T262]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.719298][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.719430][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.719564][  T262]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.719699][  T262]  ? __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)
[   11.719831][  T262]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.719966][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.720112][  T262]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.720251][  T262]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.720386][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.720522][  T262]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.720657][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.720787][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.720919][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.721055][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.721187][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.721327][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.721461][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.721595][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.721729][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.721862][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.721995][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.722133][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.722270][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.722402][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.722536][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.722668][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.722801][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.722932][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.723072][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.723207][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.723346][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.723481][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.723615][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.723749][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.723883][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.724253][  T262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.724391][  T262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.724526][  T262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.724662][  T262]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.724795][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.724960][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   11.725100][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.725239][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.725373][  T262]  ___sys_sendmsg (net/socket.c:2752)
[   11.725505][  T262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.725670][  T262]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.725814][  T262]  __sys_sendmsg (net/socket.c:2784)
[   11.725947][  T262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.726088][  T262]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.726265][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.726402][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.726535][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.726673][  T262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.726805][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.726937][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.727109][  T262] RIP: 0033:0x7f8a6457808e
[   11.727254][  T262] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.727730][  T262] RSP: 002b:00007ffe06a48fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.727929][  T262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a6457808e
[   11.728131][  T262] RDX: 0000000000000000 RSI: 00007ffe06a49070 RDI: 0000000000000005
[   11.728333][  T262] RBP: 00007ffe06a48fd0 R08: 0000000000000000 R09: 0000000000000000
[   11.728531][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63e
[   11.728726][  T262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe06a49740
| [   11.795622][  T264] ------------[ cut here ]------------
| [   11.795769][  T264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/264
| [   11.795999][  T264] Modules linked in:
| [   11.796423][  T264] Tainted: [W]=WARN
[   11.796521][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.796688][  T264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.796859][  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
[   11.797337][  T264] RSP: 0018:ffa0000000cb7020 EFLAGS: 00010286
[   11.797501][  T264] RAX: 00000000ffffffa6 RBX: ff11000002631000 RCX: 1ff4000000196dca
[   11.797694][  T264] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000026310bc
[   11.797892][  T264] RBP: ff1100000f331000 R08: 1fe22000004c6219 R09: ff1100000b480b58
[   11.798091][  T264] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.798290][  T264] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.798488][  T264] FS:  00007faf459db840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   11.798717][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.798882][  T264] CR2: 000000000f714988 CR3: 0000000011a9d002 CR4: 0000000000771ef0
[   11.799084][  T264] PKRU: 55555554
[   11.799181][  T264] Call Trace:
[   11.799284][  T264]  <TASK>
[   11.799352][  T264]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.799484][  T264]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.799584][  T264]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.799713][  T264]  __dev_notify_flags (net/core/dev.c:9787)
[   11.799847][  T264]  ? netif_change_name (net/core/dev.c:1495)
[   11.799977][  T264]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.800113][  T264]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.800247][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.800377][  T264]  ? 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))
[   11.800509][  T264]  netif_change_flags (net/core/dev.c:9820)
[   11.800640][  T264]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.800771][  T264]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.800905][  T264]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.801044][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.801207][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.801341][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.801473][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.801603][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.801733][  T264]  ? __kernel_text_address (kernel/extable.c:79)
[   11.801865][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.801997][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.802230][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.802363][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.802495][  T264]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.802626][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.802756][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.802887][  T264]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.803095][  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)
[   11.803230][  T264]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.803362][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.803495][  T264]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.803629][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.803764][  T264]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.803899][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.804107][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.804338][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.804474][  T264]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.804607][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.804742][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.804873][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.805002][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.805218][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.805351][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.805483][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.805615][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.805745][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.805876][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.806043][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.806173][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.806309][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.806440][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.806570][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.806703][  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))
[   11.806834][  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))
[   11.806967][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.807108][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.807245][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.807378][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.807509][  T264]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.807642][  T264]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.807775][  T264]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.807906][  T264]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.808043][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.808205][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   11.808341][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.808471][  T264]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.808604][  T264]  ___sys_sendmsg (net/socket.c:2752)
[   11.808735][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.808896][  T264]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.809045][  T264]  __sys_sendmsg (net/socket.c:2784)
[   11.809176][  T264]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.809312][  T264]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.809476][  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)
[   11.809612][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.809742][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.809872][  T264]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.810002][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.810139][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.810303][  T264] RIP: 0033:0x7faf45c1508e
[   11.810438][  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
[   11.810897][  T264] RSP: 002b:00007ffe62ef72e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.811097][  T264] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faf45c1508e
[   11.811292][  T264] RDX: 0000000000000000 RSI: 00007ffe62ef7390 RDI: 0000000000000005
[   11.811484][  T264] RBP: 00007ffe62ef72f0 R08: 0000000000000000 R09: 0000000000000000
[   11.811677][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   11.811870][  T264] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe62ef7a60
| [   11.814284][   T46] ------------[ cut here ]------------
| [   11.814416][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [   11.814648][   T46] Modules linked in:
| [   11.815023][   T46] Tainted: [W]=WARN
[   11.815112][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.815265][   T46] Workqueue: events_unbound linkwatch_event
[   11.815419][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.815573][   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
[   11.816006][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   11.816186][   T46] RAX: 00000000ffffffa6 RBX: ff1100000ab09000 RCX: 1ff4000000065f02
[   11.816367][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab090bc
[   11.816543][   T46] RBP: ff1100000f331000 R08: 1fe2200001561219 R09: ff110000024a0ba8
[   11.816719][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.816897][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.817084][   T46] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   11.817296][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.817444][   T46] CR2: 000055632d2f7cf8 CR3: 000000001a14d004 CR4: 0000000000771ef0
[   11.817623][   T46] PKRU: 55555554
[   11.817713][   T46] Call Trace:
[   11.817801][   T46]  <TASK>
[   11.817864][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.817983][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.818109][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.818199][   T46]  netif_state_change (net/core/dev.c:1605)
[   11.818325][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.818475][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.818593][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.818712][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.818832][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.818953][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.819078][   T46]  process_one_work (kernel/workqueue.c:3314)
[   11.819199][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.819322][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.819445][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.819567][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.819688][   T46]  kthread (kernel/kthread.c:436)
[   11.819777][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.819925][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.820050][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.820168][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.820321][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.820439][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.820561][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.822244][   T46] ------------[ cut here ]------------
| [   11.822370][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/46
| [   11.822607][   T46] Modules linked in:
| [   11.822972][   T46] Tainted: [W]=WARN
[   11.823070][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.823223][   T46] Workqueue: events_unbound linkwatch_event
[   11.823374][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.823526][   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
[   11.823959][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   11.824118][   T46] RAX: 00000000ffffffa6 RBX: ff110000029e03c0 RCX: 1ff4000000065f02
[   11.824297][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029e047c
[   11.824477][   T46] RBP: ff1100000a88c000 R08: 1fe220000053c091 R09: ff110000024a0ba8
[   11.824657][   T46] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.824836][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.825018][   T46] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.825228][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.825376][   T46] CR2: 00007f8a6440b574 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   11.825553][   T46] PKRU: 55555554
[   11.825642][   T46] Call Trace:
[   11.825729][   T46]  <TASK>
[   11.825791][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.825910][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.826035][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.826125][   T46]  netif_state_change (net/core/dev.c:1605)
[   11.826247][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.826400][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.826517][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.826635][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.826756][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.826874][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.826993][   T46]  process_one_work (kernel/workqueue.c:3314)
[   11.827125][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.827247][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.827370][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.827492][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.827608][   T46]  kthread (kernel/kthread.c:436)
[   11.827700][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.827848][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.827966][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.828091][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.828243][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.828363][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.828481][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.939142][  T267] ------------[ cut here ]------------
| [   11.939294][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/267
| [   11.939526][  T267] Modules linked in:
| [   11.939902][  T267] Tainted: [W]=WARN
[   11.940003][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.940217][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.940394][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.940868][  T267] RSP: 0018:ffa0000000cd6e30 EFLAGS: 00010286
[   11.941043][  T267] RAX: 00000000ffffffa6 RBX: ff1100000ab08200 RCX: 1ff400000019ad8c
[   11.941249][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab082bc
[   11.941447][  T267] RBP: ff110000077d9000 R08: 1fe2200001561059 R09: ff1100000e150b80
[   11.941647][  T267] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.941844][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e5b6380
[   11.942050][  T267] FS:  00007f568d44a840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.942290][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.942460][  T267] CR2: 00007f8a6440b574 CR3: 000000001240d002 CR4: 0000000000771ef0
[   11.942660][  T267] PKRU: 55555554
[   11.942760][  T267] Call Trace:
[   11.942860][  T267]  <TASK>
[   11.942929][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.943072][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.943173][  T267]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.943344][  T267]  __dev_notify_flags (net/core/dev.c:9787)
[   11.943479][  T267]  ? netif_change_name (net/core/dev.c:1495)
[   11.943611][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.943744][  T267]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.943876][  T267]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.944014][  T267]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.944148][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.944284][  T267]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.944420][  T267]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.944552][  T267]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.944684][  T267]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.944819][  T267]  veth_newlink (drivers/net/veth.c:1871)
[   11.944952][  T267]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.945087][  T267]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.945225][  T267]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.945358][  T267]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.945506][  T267]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.945638][  T267]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.945771][  T267]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.945903][  T267]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.946045][  T267]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.946180][  T267]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.946321][  T267]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.946454][  T267]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.946587][  T267]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.946725][  T267]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.946862][  T267]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.946997][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.947137][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.947275][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.947409][  T267]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.947541][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.947677][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.947810][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.947943][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.948082][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.948219][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.948351][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.948487][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.948619][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.948752][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.948883][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.949022][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.949155][  T267]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   11.949327][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.949460][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.949595][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.949729][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.949861][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.949995][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.950135][  T267]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.950274][  T267]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.950409][  T267]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.950542][  T267]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.950674][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.950839][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   11.950976][  T267]  ___sys_sendmsg (net/socket.c:2752)
[   11.951113][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.951251][  T267]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.951393][  T267]  ? 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))
[   11.951528][  T267]  __sys_sendmsg (net/socket.c:2784)
[   11.951661][  T267]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.951799][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.951931][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.952070][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.952201][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.952338][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.952470][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.952636][  T267] RIP: 0033:0x7f568d68408e
[   11.952775][  T267] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.953255][  T267] RSP: 002b:00007ffe17928070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.953458][  T267] RAX: ffffffffffffffda RBX: 00007ffe17928818 RCX: 00007f568d68408e
[   11.953656][  T267] RDX: 0000000000000000 RSI: 00007ffe17928120 RDI: 0000000000000005
[   11.953853][  T267] RBP: 00007ffe17928080 R08: 0000000000000000 R09: 0000000000000000
[   11.954054][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   11.954257][  T267] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe179287f0
| [   11.961511][  T267] ------------[ cut here ]------------
| [   11.961650][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/267
| [   11.961880][  T267] Modules linked in:
| [   11.962255][  T267] Tainted: [W]=WARN
[   11.962353][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.962517][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.962690][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.963169][  T267] RSP: 0018:ffa0000000cd71b0 EFLAGS: 00010286
[   11.963340][  T267] RAX: 00000000ffffffa6 RBX: ff1100000b583000 RCX: 1ff400000019adfc
[   11.963536][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5830bc
[   11.963730][  T267] RBP: ff1100000a2d4000 R08: 1fe22000016b0619 R09: ff1100000e150b80
[   11.963926][  T267] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.964126][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffaf203b20
[   11.964328][  T267] FS:  00007f568d44a840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   11.964557][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.964721][  T267] CR2: 00007f8a6440b574 CR3: 000000001240d002 CR4: 0000000000771ef0
[   11.964919][  T267] PKRU: 55555554
[   11.965021][  T267] Call Trace:
[   11.965119][  T267]  <TASK>
[   11.965187][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.965324][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.965425][  T267]  __dev_notify_flags (net/core/dev.c:9787)
[   11.965558][  T267]  ? netif_change_name (net/core/dev.c:1495)
[   11.965691][  T267]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.965823][  T267]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.965956][  T267]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.966094][  T267]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.966231][  T267]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.966362][  T267]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.966493][  T267]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.966630][  T267]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.966768][  T267]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.966902][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.967556][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.967688][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.967820][  T267]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.967950][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.968141][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.968335][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.968470][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.968601][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.968731][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.968862][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.968994][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.969181][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.969320][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.969453][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.969585][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.969715][  T267]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   11.969882][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.970070][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.970206][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.970345][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.970477][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.970610][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.970744][  T267]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.970878][  T267]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.971068][  T267]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.971199][  T267]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.971333][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.971495][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   11.971632][  T267]  ___sys_sendmsg (net/socket.c:2752)
[   11.971762][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.971892][  T267]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.972089][  T267]  ? 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))
[   11.972227][  T267]  __sys_sendmsg (net/socket.c:2784)
[   11.972359][  T267]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.972494][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.972625][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.972756][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.972886][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.973071][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.973205][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.973370][  T267] RIP: 0033:0x7f568d68408e
[   11.973506][  T267] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.973974][  T267] RSP: 002b:00007ffe17928070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.974234][  T267] RAX: ffffffffffffffda RBX: 00007ffe17928818 RCX: 00007f568d68408e
[   11.974431][  T267] RDX: 0000000000000000 RSI: 00007ffe17928120 RDI: 0000000000000005
[   11.974624][  T267] RBP: 00007ffe17928080 R08: 0000000000000000 R09: 0000000000000000
[   11.974819][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   11.975070][  T267] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe179287f0
| [   12.019368][  T268] ------------[ cut here ]------------
| [   12.019511][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/268
| [   12.019731][  T268] Modules linked in:
| [   12.020089][  T268] Tainted: [W]=WARN
[   12.020184][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.020348][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.020512][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.020960][  T268] RSP: 0018:ffa0000000ce6ff8 EFLAGS: 00010286
[   12.021134][  T268] RAX: 00000000ffffffa6 RBX: ff1100001021a040 RCX: 1ff400000019cdc5
[   12.021327][  T268] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001021a0fc
[   12.021516][  T268] RBP: ff110000077d9000 R08: 1fe2200002043421 R09: ff1100000e155158
[   12.021703][  T268] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.021891][  T268] R13: 0000000000000000 R14: ffa0000000ce7140 R15: ff1100000cc20ad0
[   12.022084][  T268] FS:  00007fcac1e21840(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   12.022307][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.022465][  T268] CR2: 00007fcac20f11a0 CR3: 000000000f94d001 CR4: 0000000000771ef0
[   12.022656][  T268] PKRU: 55555554
[   12.022751][  T268] Call Trace:
[   12.022845][  T268]  <TASK>
[   12.022911][  T268]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   12.023049][  T268]  __dev_change_net_namespace (net/core/dev.c:12635)
[   12.023209][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.023338][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.023466][  T268]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.023622][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.023749][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.023877][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.024003][  T268]  ? 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))
[   12.024137][  T268]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.024266][  T268]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   12.024393][  T268]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.024521][  T268]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.024648][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.024806][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.024932][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.025117][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.025249][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.025377][  T268]  ? __kernel_text_address (kernel/extable.c:79)
[   12.025502][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.025629][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.025759][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.025886][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.026017][  T268]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.026143][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.026277][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.026403][  T268]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.026530][  T268]  ? __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)
[   12.026657][  T268]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.026782][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.026910][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.027042][  T268]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.027171][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.027305][  T268]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.027433][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.027558][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.027685][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.027810][  T268]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.027936][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.028074][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.028198][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.028329][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.028454][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.028581][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.028707][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.028832][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.028956][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.029084][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.029215][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.029341][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.029466][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.029593][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.029718][  T268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.029849][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.029975][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.030111][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.030247][  T268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.030374][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.030501][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.030628][  T268]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.030755][  T268]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.030883][  T268]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.031015][  T268]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.031145][  T268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.031309][  T268]  ? move_addr_to_kernel (net/socket.c:258)
[   12.031435][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.031561][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.031688][  T268]  ___sys_sendmsg (net/socket.c:2752)
[   12.031812][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.031967][  T268]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.032115][  T268]  __sys_sendmsg (net/socket.c:2784)
[   12.032244][  T268]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.032369][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.032529][  T268]  ? 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)
[   12.032655][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.032782][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.032908][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.033041][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.033167][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.033325][  T268] RIP: 0033:0x7fcac205b08e
[   12.033456][  T268] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.033905][  T268] RSP: 002b:00007ffe86dfda10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.034100][  T268] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcac205b08e
[   12.034294][  T268] RDX: 0000000000000000 RSI: 00007ffe86dfdac0 RDI: 0000000000000005
[   12.034482][  T268] RBP: 00007ffe86dfda20 R08: 0000000000000000 R09: 0000000000000000
[   12.034669][  T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   12.034857][  T268] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe86dfe190
| [   12.037401][  T268] ------------[ cut here ]------------
| [   12.037532][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/268
| [   12.037752][  T268] Modules linked in:
| [   12.038114][  T268] Tainted: [W]=WARN
[   12.038210][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.038375][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.038538][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.038993][  T268] RSP: 0018:ffa0000000ce6fc0 EFLAGS: 00010286
[   12.039158][  T268] RAX: 00000000ffffffa6 RBX: ff1100000c134c80 RCX: 1ff400000019cdbe
[   12.039350][  T268] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c134d3c
[   12.039545][  T268] RBP: ff110000077d9000 R08: 1fe22000018269a9 R09: ff1100000e155158
[   12.039735][  T268] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.039925][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cc20ad0
[   12.040119][  T268] FS:  00007fcac1e21840(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   12.040347][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.040507][  T268] CR2: 00007fcac20f11a0 CR3: 000000000f94d001 CR4: 0000000000771ef0
[   12.040697][  T268] PKRU: 55555554
[   12.040791][  T268] Call Trace:
[   12.040886][  T268]  <TASK>
[   12.040953][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.041085][  T268]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.041219][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.041318][  T268]  __dev_change_net_namespace (net/core/dev.c:12695)
[   12.041478][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.041605][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.041735][  T268]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.041892][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.042023][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.042153][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.042285][  T268]  ? 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))
[   12.042418][  T268]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.042547][  T268]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   12.042676][  T268]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.042805][  T268]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.042933][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.043102][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.043233][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.043360][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.043487][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.043615][  T268]  ? __kernel_text_address (kernel/extable.c:79)
[   12.043743][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.043874][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.044004][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.044136][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.044267][  T268]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.044393][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.044519][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.044646][  T268]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.044774][  T268]  ? __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)
[   12.044902][  T268]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.045037][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.045167][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.045298][  T268]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.045429][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.045560][  T268]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.045689][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.045816][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.045946][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.046080][  T268]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.046207][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.046343][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.046470][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.046597][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.046725][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.046854][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.046984][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.047115][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.047247][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.047374][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.047503][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.047630][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.047759][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.047887][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.048020][  T268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.048152][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.048284][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.048413][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.048540][  T268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.048669][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.048796][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.048928][  T268]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.049062][  T268]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.049191][  T268]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.049321][  T268]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.049447][  T268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.049605][  T268]  ? move_addr_to_kernel (net/socket.c:258)
[   12.049734][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.049864][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.049993][  T268]  ___sys_sendmsg (net/socket.c:2752)
[   12.050125][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.050288][  T268]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.050427][  T268]  __sys_sendmsg (net/socket.c:2784)
[   12.050555][  T268]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.050683][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.050858][  T268]  ? 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)
[   12.050987][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.051119][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.051252][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.051380][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.051507][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.051666][  T268] RIP: 0033:0x7fcac205b08e
[   12.051799][  T268] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.052269][  T268] RSP: 002b:00007ffe86dfda10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.052462][  T268] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcac205b08e
[   12.052652][  T268] RDX: 0000000000000000 RSI: 00007ffe86dfdac0 RDI: 0000000000000005
[   12.052843][  T268] RBP: 00007ffe86dfda20 R08: 0000000000000000 R09: 0000000000000000
[   12.053040][  T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   12.053236][  T268] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe86dfe190
| [   12.111039][  T270] ------------[ cut here ]------------
| [   12.111184][  T270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/270
| [   12.111421][  T270] Modules linked in:
| [   12.111783][  T270] Tainted: [W]=WARN
[   12.111882][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.112050][  T270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.112223][  T270] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.112684][  T270] RSP: 0018:ffa0000000cf7020 EFLAGS: 00010286
[   12.112845][  T270] RAX: 00000000ffffffa6 RBX: ff1100000c134200 RCX: 1ff400000019edca
[   12.113044][  T270] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1342bc
[   12.113244][  T270] RBP: ff1100000a2d4000 R08: 1fe2200001826859 R09: ff1100000aa02e58
[   12.113434][  T270] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.113624][  T270] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.113818][  T270] FS:  00007f2653e60840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.114050][  T270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.114210][  T270] CR2: 00007f26541301a0 CR3: 000000000f94e006 CR4: 0000000000771ef0
[   12.114409][  T270] PKRU: 55555554
[   12.114504][  T270] Call Trace:
[   12.114600][  T270]  <TASK>
[   12.114667][  T270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.114797][  T270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.114896][  T270]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.115029][  T270]  __dev_notify_flags (net/core/dev.c:9787)
[   12.115159][  T270]  ? netif_change_name (net/core/dev.c:1495)
[   12.115292][  T270]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.115422][  T270]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.115552][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.115681][  T270]  ? 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))
[   12.115814][  T270]  netif_change_flags (net/core/dev.c:9820)
[   12.115944][  T270]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.116409][  T270]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.116543][  T270]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.116673][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.116832][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.116962][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.117095][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.117226][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.117356][  T270]  ? __kernel_text_address (kernel/extable.c:79)
[   12.117485][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.117614][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.117742][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.117874][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.118003][  T270]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.118137][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.118272][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.118400][  T270]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.118530][  T270]  ? __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)
[   12.118660][  T270]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.118788][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.118920][  T270]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.119055][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.119188][  T270]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.119322][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.119450][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.119579][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.119708][  T270]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.119837][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.119969][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.120103][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.120238][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.120367][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.120496][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.120624][  T270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.120753][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.120882][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.121017][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.121148][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.121280][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.121410][  T270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.121538][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.121666][  T270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.121798][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.121928][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.122067][  T270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.122198][  T270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.122335][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.122465][  T270]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.122596][  T270]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.122726][  T270]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.122858][  T270]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.122988][  T270]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.123121][  T270]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.123287][  T270]  ? move_addr_to_kernel (net/socket.c:258)
[   12.123418][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.123547][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.123679][  T270]  ___sys_sendmsg (net/socket.c:2752)
[   12.123807][  T270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.123968][  T270]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.124116][  T270]  __sys_sendmsg (net/socket.c:2784)
[   12.124251][  T270]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.124379][  T270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.124542][  T270]  ? 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)
[   12.124672][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.124801][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.124931][  T270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.125064][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.125194][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.125357][  T270] RIP: 0033:0x7f265409a08e
[   12.125492][  T270] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.125952][  T270] RSP: 002b:00007ffe83a755d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.126148][  T270] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f265409a08e
[   12.126346][  T270] RDX: 0000000000000000 RSI: 00007ffe83a75680 RDI: 0000000000000005
[   12.126537][  T270] RBP: 00007ffe83a755e0 R08: 0000000000000000 R09: 0000000000000000
[   12.126730][  T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   12.126924][  T270] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe83a75d50
| [   12.191026][  T272] ------------[ cut here ]------------
| [   12.191183][  T272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/272
| [   12.191423][  T272] Modules linked in:
| [   12.191798][  T272] Tainted: [W]=WARN
[   12.191899][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.192078][  T272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.192260][  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
[   12.192735][  T272] RSP: 0018:ffa0000000d171b0 EFLAGS: 00010286
[   12.192906][  T272] RAX: 00000000ffffffa6 RBX: ff1100000b4a3540 RCX: 1ff40000001a2dfc
[   12.193113][  T272] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4a35fc
[   12.193318][  T272] RBP: ff1100000f4a9000 R08: 1fe22000016946c1 R09: ff1100000aa05180
[   12.193516][  T272] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.193717][  T272] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffaf208da0
[   12.193920][  T272] FS:  00007fe433301840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   12.194226][  T272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.194395][  T272] CR2: 00000000004a2860 CR3: 000000000f16e006 CR4: 0000000000771ef0
[   12.194592][  T272] PKRU: 55555554
[   12.194691][  T272] Call Trace:
[   12.194792][  T272]  <TASK>
[   12.194860][  T272]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.194995][  T272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.195168][  T272]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   12.195312][  T272]  __dev_notify_flags (net/core/dev.c:9787)
[   12.195447][  T272]  ? netif_change_name (net/core/dev.c:1495)
[   12.195580][  T272]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   12.195715][  T272]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   12.195850][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.195984][  T272]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   12.196185][  T272]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.196476][  T272]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.196610][  T272]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   12.196745][  T272]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.196882][  T272]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.197084][  T272]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.197223][  T272]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.197365][  T272]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.197502][  T272]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.197638][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.197770][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.197926][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.198138][  T272]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.198277][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.198414][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.198549][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.198684][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.198817][  T272]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.198949][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.199134][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.199275][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.199410][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.199544][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.199677][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.199810][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.199947][  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))
[   12.200087][  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))
[   12.200226][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.200363][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.200498][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.200633][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.200767][  T272]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.200903][  T272]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.201045][  T272]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.201178][  T272]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.201318][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.201485][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   12.201622][  T272]  ___sys_sendmsg (net/socket.c:2752)
[   12.201756][  T272]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.201895][  T272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.202071][  T272]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.202208][  T272]  __sys_sendmsg (net/socket.c:2784)
[   12.202347][  T272]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.202486][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.202620][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.202753][  T272]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.202885][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.203023][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.203189][  T272] RIP: 0033:0x7fe43353b08e
[   12.203331][  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
[   12.203809][  T272] RSP: 002b:00007ffecec8b1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.204014][  T272] RAX: ffffffffffffffda RBX: 00007ffecec8b968 RCX: 00007fe43353b08e
[   12.204219][  T272] RDX: 0000000000000000 RSI: 00007ffecec8b270 RDI: 0000000000000005
[   12.204418][  T272] RBP: 00007ffecec8b1d0 R08: 0000000000000000 R09: 0000000000000000
[   12.204618][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   12.204815][  T272] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecec8b940
| [   12.235879][  T273] ------------[ cut here ]------------
| [   12.236036][  T273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/273
| [   12.236264][  T273] Modules linked in:
| [   12.236622][  T273] Tainted: [W]=WARN
[   12.236719][  T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.236880][  T273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.237053][  T273] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.237516][  T273] RSP: 0018:ffa0000000d27020 EFLAGS: 00010286
[   12.237678][  T273] RAX: 00000000ffffffa6 RBX: ff1100001027b380 RCX: 1ff40000001a4dca
[   12.237869][  T273] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001027b43c
[   12.238156][  T273] RBP: ff1100000f4a9000 R08: 1fe220000204f689 R09: ff1100000e38ae58
[   12.238353][  T273] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.238544][  T273] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.238736][  T273] FS:  00007f49122f1840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.238961][  T273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.239211][  T273] CR2: 00007f49125c11a0 CR3: 000000000f94e005 CR4: 0000000000771ef0
[   12.239408][  T273] PKRU: 55555554
[   12.239503][  T273] Call Trace:
[   12.239601][  T273]  <TASK>
[   12.239668][  T273]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.239799][  T273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.239896][  T273]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.240111][  T273]  __dev_notify_flags (net/core/dev.c:9787)
[   12.240248][  T273]  ? netif_change_name (net/core/dev.c:1495)
[   12.240376][  T273]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.240506][  T273]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.240635][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.240765][  T273]  ? 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))
[   12.240896][  T273]  netif_change_flags (net/core/dev.c:9820)
[   12.241100][  T273]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.241234][  T273]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.241364][  T273]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.241494][  T273]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.241654][  T273]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.241782][  T273]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.241910][  T273]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.242094][  T273]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.242226][  T273]  ? __kernel_text_address (kernel/extable.c:79)
[   12.242355][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.242486][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.242616][  T273]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.242745][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.242874][  T273]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.243000][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.243184][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.243321][  T273]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.243451][  T273]  ? __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)
[   12.243579][  T273]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.243708][  T273]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.243838][  T273]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.243969][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.244156][  T273]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.244290][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.244417][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.244545][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.244674][  T273]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.244801][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.244931][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.245084][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.245218][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.245347][  T273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.245476][  T273]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.245606][  T273]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.245735][  T273]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.245864][  T273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.245991][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.246125][  T273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.246257][  T273]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.246386][  T273]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.246514][  T273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.246643][  T273]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.246775][  T273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.246902][  T273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.247040][  T273]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.247169][  T273]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.247303][  T273]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.247434][  T273]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.247564][  T273]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.247693][  T273]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.247823][  T273]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.247952][  T273]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.248090][  T273]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.248253][  T273]  ? move_addr_to_kernel (net/socket.c:258)
[   12.248382][  T273]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.248512][  T273]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.248642][  T273]  ___sys_sendmsg (net/socket.c:2752)
[   12.248769][  T273]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.248929][  T273]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.249074][  T273]  __sys_sendmsg (net/socket.c:2784)
[   12.249203][  T273]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.249336][  T273]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.249500][  T273]  ? 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)
[   12.249631][  T273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.249761][  T273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.249889][  T273]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.250021][  T273]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.250150][  T273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.250314][  T273] RIP: 0033:0x7f491252b08e
[   12.250449][  T273] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.250907][  T273] RSP: 002b:00007ffd62fbce90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.251107][  T273] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f491252b08e
[   12.251302][  T273] RDX: 0000000000000000 RSI: 00007ffd62fbcf40 RDI: 0000000000000005
[   12.251495][  T273] RBP: 00007ffd62fbcea0 R08: 0000000000000000 R09: 0000000000000000
[   12.251686][  T273] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   12.251878][  T273] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd62fbd610
| [   12.283238][  T274] ------------[ cut here ]------------
| [   12.283389][  T274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/274
| [   12.283623][  T274] Modules linked in:
| [   12.283997][  T274] Tainted: [W]=WARN
[   12.284761][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.285026][  T274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.285200][  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
[   12.285684][  T274] RSP: 0018:ffa0000000d26f40 EFLAGS: 00010286
[   12.285853][  T274] RAX: 00000000ffffffa6 RBX: ff110000094a2040 RCX: 1ff40000001a4dae
[   12.286130][  T274] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094a20fc
[   12.286333][  T274] RBP: ff110000077d9000 R08: 1fe2200001294421 R09: ff1100000f035158
[   12.286528][  T274] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.286730][  T274] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.286968][  T274] FS:  00007fdc3a8fb840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   12.287325][  T274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.287493][  T274] CR2: 0000000028623988 CR3: 000000000f16e002 CR4: 0000000000771ef0
[   12.287693][  T274] PKRU: 55555554
[   12.287794][  T274] Call Trace:
[   12.287893][  T274]  <TASK>
[   12.287963][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.288199][  T274]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.288337][  T274]  notifier_call_chain (kernel/notifier.c:85)
[   12.288473][  T274]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.288607][  T274]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.288740][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.288873][  T274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.289005][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.289152][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.289288][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.289421][  T274]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   12.289553][  T274]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   12.289686][  T274]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   12.289820][  T274]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.289952][  T274]  do_set_master (net/core/rtnetlink.c:3011)
[   12.290088][  T274]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.290224][  T274]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.290377][  T274]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.290555][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.290721][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.290852][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.290986][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.291124][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.291261][  T274]  ? __kernel_text_address (kernel/extable.c:79)
[   12.291394][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.291528][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.291659][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.291793][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.291927][  T274]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.292065][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.292197][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.292335][  T274]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.292469][  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)
[   12.292602][  T274]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.292735][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.292868][  T274]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.293001][  T274]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.293142][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.293282][  T274]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.293416][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.293547][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.293680][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.293812][  T274]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.293944][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.294088][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.294224][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.294405][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.294558][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.294693][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.294827][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.294960][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.295103][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.295251][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.295386][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.295518][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.295652][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.295785][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.295919][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.296060][  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))
[   12.296194][  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))
[   12.296333][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.296469][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.296602][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.296735][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.296869][  T274]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.297004][  T274]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.297146][  T274]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.297284][  T274]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.297415][  T274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.297579][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   12.297713][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.297847][  T274]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.297982][  T274]  ___sys_sendmsg (net/socket.c:2752)
[   12.298119][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.298288][  T274]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.298433][  T274]  __sys_sendmsg (net/socket.c:2784)
[   12.298566][  T274]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.298699][  T274]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.298867][  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)
[   12.298999][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.299142][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.299280][  T274]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.299412][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.299545][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.299710][  T274] RIP: 0033:0x7fdc3ab3508e
[   12.299848][  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
[   12.300330][  T274] RSP: 002b:00007ffdf019dfe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.300531][  T274] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdc3ab3508e
[   12.300728][  T274] RDX: 0000000000000000 RSI: 00007ffdf019e090 RDI: 0000000000000005
[   12.300925][  T274] RBP: 00007ffdf019dff0 R08: 0000000000000000 R09: 0000000000000000
[   12.301140][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   12.301342][  T274] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf019e760
| [   12.356157][  T276] ------------[ cut here ]------------
| [   12.356307][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/276
| [   12.356534][  T276] Modules linked in:
| [   12.356898][  T276] Tainted: [W]=WARN
[   12.356998][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.357168][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.357344][  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
[   12.357804][  T276] RSP: 0018:ffa0000000d37020 EFLAGS: 00010286
[   12.357966][  T276] RAX: 00000000ffffffa6 RBX: ff110000102ac200 RCX: 1ff40000001a6dca
[   12.358169][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102ac2bc
[   12.358366][  T276] RBP: ff110000077d9000 R08: 1fe2200002055859 R09: ff1100000e62d158
[   12.358558][  T276] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.358749][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.358943][  T276] FS:  00007f220ca66840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   12.359175][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.359342][  T276] CR2: 000000003459c988 CR3: 000000000f16e001 CR4: 0000000000771ef0
[   12.359535][  T276] PKRU: 55555554
[   12.359632][  T276] Call Trace:
[   12.359728][  T276]  <TASK>
[   12.359795][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.359926][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.360030][  T276]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.360171][  T276]  __dev_notify_flags (net/core/dev.c:9787)
[   12.360308][  T276]  ? netif_change_name (net/core/dev.c:1495)
[   12.360439][  T276]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.360569][  T276]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.360698][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.360828][  T276]  ? 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))
[   12.360958][  T276]  netif_change_flags (net/core/dev.c:9820)
[   12.361095][  T276]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.361228][  T276]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.361360][  T276]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.361489][  T276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.361653][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.361782][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.361911][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.362046][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.362175][  T276]  ? __kernel_text_address (kernel/extable.c:79)
[   12.362311][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.362444][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.362572][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.362701][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.362829][  T276]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.362958][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.363149][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.363337][  T276]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.363470][  T276]  ? __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)
[   12.363600][  T276]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.363729][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.363859][  T276]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.363992][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.364182][  T276]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.364317][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.364445][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.364576][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.364706][  T276]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.364835][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.364966][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.365153][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.365287][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.365416][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.365547][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.365679][  T276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.365808][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.365937][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.366124][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.366259][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.366387][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.366516][  T276]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.366644][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.366774][  T276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.366906][  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))
[   12.367092][  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))
[   12.367229][  T276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.367361][  T276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.367490][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.367622][  T276]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.367753][  T276]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.367884][  T276]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.368070][  T276]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.368198][  T276]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.368331][  T276]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.368491][  T276]  ? move_addr_to_kernel (net/socket.c:258)
[   12.368621][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.368751][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.368882][  T276]  ___sys_sendmsg (net/socket.c:2752)
[   12.369064][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.369228][  T276]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.369369][  T276]  __sys_sendmsg (net/socket.c:2784)
[   12.369498][  T276]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.369626][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.369787][  T276]  ? 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)
[   12.369917][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.370103][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.370234][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.370362][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.370491][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.370649][  T276] RIP: 0033:0x7f220cca008e
[   12.370784][  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
[   12.371309][  T276] RSP: 002b:00007ffee88f6180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.371505][  T276] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f220cca008e
[   12.371696][  T276] RDX: 0000000000000000 RSI: 00007ffee88f6230 RDI: 0000000000000005
[   12.371888][  T276] RBP: 00007ffee88f6190 R08: 0000000000000000 R09: 0000000000000000
[   12.372134][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   12.372333][  T276] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee88f6900
| [   12.375079][   T46] ------------[ cut here ]------------
| [   12.375200][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   12.375438][   T46] Modules linked in:
| [   12.375802][   T46] Tainted: [W]=WARN
[   12.375890][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.376046][   T46] Workqueue: events_unbound linkwatch_event
[   12.376203][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.376364][   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
[   12.376793][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   12.376943][   T46] RAX: 00000000ffffffa6 RBX: ff1100000c135380 RCX: 1ff4000000065f02
[   12.377139][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c13543c
[   12.377325][   T46] RBP: ff110000077d9000 R08: 1fe2200001826a89 R09: ff110000024a0ba8
[   12.377501][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.377691][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.377869][   T46] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   12.378082][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.378234][   T46] CR2: 000000003459c988 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   12.378412][   T46] PKRU: 55555554
[   12.378500][   T46] Call Trace:
[   12.378590][   T46]  <TASK>
[   12.378652][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.378772][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.378898][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.378990][   T46]  netif_state_change (net/core/dev.c:1605)
[   12.379115][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.379268][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.379385][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.379503][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.379626][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.379744][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.379863][   T46]  process_one_work (kernel/workqueue.c:3314)
[   12.379986][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.380109][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.380238][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.380360][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.380477][   T46]  kthread (kernel/kthread.c:436)
[   12.380568][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.380720][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.380849][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.380970][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.381124][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.381247][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.381367][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.383449][   T46] ------------[ cut here ]------------
| [   12.383615][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/46
| [   12.383894][   T46] Modules linked in:
| [   12.384386][   T46] Tainted: [W]=WARN
[   12.384524][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.384717][   T46] Workqueue: events_unbound linkwatch_event
[   12.384916][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.385133][   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
[   12.385616][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   12.385812][   T46] RAX: 00000000ffffffa6 RBX: ff1100000c135700 RCX: 1ff4000000065f02
[   12.386049][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1357bc
[   12.386279][   T46] RBP: ff1100000a2d4000 R08: 1fe2200001826af9 R09: ff110000024a0ba8
[   12.386501][   T46] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.386734][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.386957][   T46] FS:  0000000000000000(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   12.387228][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.387422][   T46] CR2: 00005562fad8fd5c CR3: 0000000010153002 CR4: 0000000000771ef0
[   12.387646][   T46] PKRU: 55555554
[   12.387780][   T46] Call Trace:
[   12.387927][   T46]  <TASK>
[   12.388048][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.388222][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.388388][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.388527][   T46]  netif_state_change (net/core/dev.c:1605)
[   12.388693][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.388889][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.389069][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.389244][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.389428][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.389594][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.389760][   T46]  process_one_work (kernel/workqueue.c:3314)
[   12.389932][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.390142][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.390322][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.390496][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.390722][   T46]  kthread (kernel/kthread.c:436)
[   12.390857][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.391058][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.391231][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.391399][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.391595][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.391762][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.391940][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.501923][  T280] ------------[ cut here ]------------
| [   12.502088][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/280
| [   12.502318][  T280] Modules linked in:
| [   12.502688][  T280] Tainted: [W]=WARN
[   12.502786][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.502949][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.503123][  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
[   12.503598][  T280] RSP: 0018:ffa0000000557a80 EFLAGS: 00010286
[   12.503763][  T280] RAX: 00000000ffffffa6 RBX: ff110000102ada80 RCX: 1ff40000000aaf16
[   12.503958][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102adb3c
[   12.504160][  T280] RBP: ff1100000e459000 R08: 1fe2200002055b69 R09: ff1100000a99d180
[   12.504358][  T280] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.504555][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e459000
[   12.504755][  T280] FS:  00007f867c620840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.504987][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.505154][  T280] CR2: 00007f867c827430 CR3: 000000000f056003 CR4: 0000000000771ef0
[   12.505356][  T280] PKRU: 55555554
[   12.505454][  T280] Call Trace:
[   12.505552][  T280]  <TASK>
[   12.505621][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.505753][  T280]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.505885][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.505986][  T280]  register_netdevice (net/core/dev.c:11488)
[   12.506630][  T280]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.506796][  T280]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.506927][  T280]  register_netdev (net/core/dev.c:11552)
[   12.507062][  T280]  loopback_net_init (drivers/net/loopback.c:218)
[   12.507193][  T280]  ops_init (net/core/net_namespace.c:137)
[   12.507300][  T280]  setup_net (net/core/net_namespace.c:446)
[   12.507399][  T280]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.507528][  T280]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.507661][  T280]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.507793][  T280]  copy_net_ns (net/core/net_namespace.c:579)
[   12.507924][  T280]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.508063][  T280]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.508195][  T280]  ksys_unshare (kernel/fork.c:3243)
[   12.508329][  T280]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.508461][  T280]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.508592][  T280]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.508723][  T280]  ? __ia32_sys_open (fs/open.c:1374)
[   12.508855][  T280]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.508985][  T280]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.509119][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.509252][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.509384][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.509515][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.509678][  T280] RIP: 0033:0x7f867c8e2bcb
[   12.509813][  T280] 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
[   12.510312][  T280] RSP: 002b:00007ffc371041a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.510509][  T280] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f867c8e2bcb
[   12.510703][  T280] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.510896][  T280] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.511094][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc371063d0
[   12.511292][  T280] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37107869
| [   12.515469][  T280] ------------[ cut here ]------------
| [   12.515602][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/280
| [   12.515825][  T280] Modules linked in:
| [   12.516192][  T280] Tainted: [W]=WARN
[   12.516294][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.516457][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.516627][  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
[   12.517095][  T280] RSP: 0018:ffa0000000557918 EFLAGS: 00010286
[   12.517261][  T280] RAX: 00000000ffffffa6 RBX: ff1100000d128200 RCX: 1ff40000000aaee9
[   12.517455][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1282bc
[   12.517647][  T280] RBP: ff11000009cb4000 R08: 1fe2200001a25059 R09: ff1100000a99d180
[   12.517841][  T280] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.518041][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cb4000
[   12.518242][  T280] FS:  00007f867c620840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.518470][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.518633][  T280] CR2: 00007f867c827430 CR3: 000000000f056003 CR4: 0000000000771ef0
[   12.518828][  T280] PKRU: 55555554
[   12.518925][  T280] Call Trace:
[   12.519028][  T280]  <TASK>
[   12.519095][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.519228][  T280]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.519358][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.519455][  T280]  register_netdevice (net/core/dev.c:11488)
[   12.519585][  T280]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.519745][  T280]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.519876][  T280]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.520005][  T280]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.520140][  T280]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.520275][  T280]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.520404][  T280]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.520534][  T280]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   12.520666][  T280]  ops_init (net/core/net_namespace.c:137)
[   12.520767][  T280]  setup_net (net/core/net_namespace.c:446)
[   12.520864][  T280]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.520992][  T280]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.521127][  T280]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.521261][  T280]  copy_net_ns (net/core/net_namespace.c:579)
[   12.521390][  T280]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.521521][  T280]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.521653][  T280]  ksys_unshare (kernel/fork.c:3243)
[   12.521782][  T280]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.521912][  T280]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.522047][  T280]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.522177][  T280]  ? __ia32_sys_open (fs/open.c:1374)
[   12.522314][  T280]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.522443][  T280]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.522571][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.522699][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.522828][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.522957][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.523121][  T280] RIP: 0033:0x7f867c8e2bcb
[   12.523258][  T280] 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
[   12.523720][  T280] RSP: 002b:00007ffc371041a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.523915][  T280] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f867c8e2bcb
[   12.524110][  T280] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.524408][  T280] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.524600][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc371063d0
[   12.524794][  T280] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37107869
| [   12.534737][  T280] ------------[ cut here ]------------
| [   12.534873][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/280
| [   12.535107][  T280] Modules linked in:
| [   12.535478][  T280] Tainted: [W]=WARN
[   12.535576][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.535739][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.535910][  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
[   12.536390][  T280] RSP: 0018:ffa00000005578f8 EFLAGS: 00010286
[   12.536645][  T280] RAX: 00000000ffffffa6 RBX: ff11000010297700 RCX: 1ff40000000aaee5
[   12.536840][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102977bc
[   12.537042][  T280] RBP: ff1100000fa44000 R08: 1fe2200002052ef9 R09: ff1100000a99d180
[   12.537330][  T280] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.537524][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa44000
[   12.537808][  T280] FS:  00007f867c620840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.538046][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.538210][  T280] CR2: 00007f867c827430 CR3: 000000000f056003 CR4: 0000000000771ef0
[   12.538499][  T280] PKRU: 55555554
[   12.538596][  T280] Call Trace:
[   12.538694][  T280]  <TASK>
[   12.538762][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.538893][  T280]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.539119][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.539223][  T280]  register_netdevice (net/core/dev.c:11488)
[   12.539359][  T280]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.539522][  T280]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.539741][  T280]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.539873][  T280]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.540005][  T280]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.540150][  T280]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.540387][  T280]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.540520][  T280]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   12.540653][  T280]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.540784][  T280]  vti_init_net (net/ipv4/ip_vti.c:517)
[   12.541003][  T280]  ops_init (net/core/net_namespace.c:137)
[   12.541113][  T280]  setup_net (net/core/net_namespace.c:446)
[   12.541218][  T280]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.541350][  T280]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.541569][  T280]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.541702][  T280]  copy_net_ns (net/core/net_namespace.c:579)
[   12.541834][  T280]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.541968][  T280]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.542193][  T280]  ksys_unshare (kernel/fork.c:3243)
[   12.542327][  T280]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.542461][  T280]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.542592][  T280]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.542838][  T280]  ? __ia32_sys_open (fs/open.c:1374)
[   12.542976][  T280]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.543112][  T280]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.543246][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.543462][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.543593][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.543725][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.543887][  T280] RIP: 0033:0x7f867c8e2bcb
[   12.544119][  T280] 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
[   12.544582][  T280] RSP: 002b:00007ffc371041a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.544866][  T280] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f867c8e2bcb
[   12.545064][  T280] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.545348][  T280] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.545542][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc371063d0
[   12.545739][  T280] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37107869
| [   12.550243][  T280] ------------[ cut here ]------------
| [   12.550379][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/280
| [   12.550603][  T280] Modules linked in:
| [   12.551066][  T280] Tainted: [W]=WARN
[   12.551163][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.551421][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.551590][  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
[   12.552143][  T280] RSP: 0018:ffa0000000557a78 EFLAGS: 00010286
[   12.552311][  T280] RAX: 00000000ffffffa6 RBX: ff11000010296740 RCX: 1ff40000000aaf15
[   12.552506][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102967fc
[   12.552786][  T280] RBP: ff1100000a3cc000 R08: 1fe2200002052d01 R09: ff1100000a99d180
[   12.552990][  T280] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.553278][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3cc000
[   12.553477][  T280] FS:  00007f867c620840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.553703][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.553952][  T280] CR2: 00007f867c827430 CR3: 000000000f056003 CR4: 0000000000771ef0
[   12.554150][  T280] PKRU: 55555554
[   12.554251][  T280] Call Trace:
[   12.554347][  T280]  <TASK>
[   12.554501][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.554628][  T280]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.554756][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.554861][  T280]  register_netdevice (net/core/dev.c:11488)
[   12.555080][  T280]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.555244][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.555375][  T280]  register_netdev (net/core/dev.c:11552)
[   12.555505][  T280]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   12.555719][  T280]  ops_init (net/core/net_namespace.c:137)
[   12.555818][  T280]  setup_net (net/core/net_namespace.c:446)
[   12.555915][  T280]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.556048][  T280]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.556177][  T280]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.556398][  T280]  copy_net_ns (net/core/net_namespace.c:579)
[   12.556529][  T280]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.556659][  T280]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.556788][  T280]  ksys_unshare (kernel/fork.c:3243)
[   12.557001][  T280]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.557137][  T280]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.557270][  T280]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.557400][  T280]  ? __ia32_sys_open (fs/open.c:1374)
[   12.557616][  T280]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.557743][  T280]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.557871][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.557999][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.558135][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.558267][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.558426][  T280] RIP: 0033:0x7f867c8e2bcb
[   12.558651][  T280] 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
[   12.559116][  T280] RSP: 002b:00007ffc371041a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.559403][  T280] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f867c8e2bcb
[   12.559595][  T280] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.559873][  T280] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.560071][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc371063d0
[   12.560268][  T280] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37107869
| [   12.566412][  T280] ------------[ cut here ]------------
| [   12.566548][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/280
| [   12.566771][  T280] Modules linked in:
| [   12.567139][  T280] Tainted: [W]=WARN
[   12.567239][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.567401][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.567569][  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
[   12.568093][  T280] RSP: 0018:ffa0000000557a68 EFLAGS: 00010286
[   12.568260][  T280] RAX: 00000000ffffffa6 RBX: ff1100000b751000 RCX: 1ff40000000aaf13
[   12.568453][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7510bc
[   12.568648][  T280] RBP: ff1100000fab4000 R08: 1fe22000016ea219 R09: ff1100000a99d180
[   12.568845][  T280] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.569097][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fab4000
[   12.569297][  T280] FS:  00007f867c620840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.569525][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.569687][  T280] CR2: 00007f867c827430 CR3: 000000000f056003 CR4: 0000000000771ef0
[   12.569885][  T280] PKRU: 55555554
[   12.569981][  T280] Call Trace:
[   12.570133][  T280]  <TASK>
[   12.570201][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.570337][  T280]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.570467][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.570566][  T280]  register_netdevice (net/core/dev.c:11488)
[   12.570701][  T280]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.570866][  T280]  register_netdev (net/core/dev.c:11552)
[   12.570997][  T280]  sit_init_net (net/ipv6/sit.c:1860)
[   12.571186][  T280]  ops_init (net/core/net_namespace.c:137)
[   12.571292][  T280]  setup_net (net/core/net_namespace.c:446)
[   12.571391][  T280]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.571520][  T280]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.571652][  T280]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.571785][  T280]  copy_net_ns (net/core/net_namespace.c:579)
[   12.571917][  T280]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.572105][  T280]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.572239][  T280]  ksys_unshare (kernel/fork.c:3243)
[   12.572368][  T280]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.572497][  T280]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.572630][  T280]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.572762][  T280]  ? __ia32_sys_open (fs/open.c:1374)
[   12.572895][  T280]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.573078][  T280]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.573208][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.573341][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.573471][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.573601][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.573764][  T280] RIP: 0033:0x7f867c8e2bcb
[   12.573899][  T280] 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
[   12.574420][  T280] RSP: 002b:00007ffc371041a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.574615][  T280] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f867c8e2bcb
[   12.574807][  T280] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.574998][  T280] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.575254][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc371063d0
[   12.575448][  T280] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37107869
| [   12.580550][  T280] ------------[ cut here ]------------
| [   12.580727][  T280] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/280
| [   12.581041][  T280] Modules linked in:
| [   12.581506][  T280] Tainted: [W]=WARN
[   12.581650][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.581858][  T280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.582102][  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
[   12.582620][  T280] RSP: 0018:ffa0000000557a78 EFLAGS: 00010286
[   12.582830][  T280] RAX: 00000000ffffffa6 RBX: ff11000009bbc580 RCX: 1ff40000000aaf15
[   12.583091][  T280] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009bbc63c
[   12.583338][  T280] RBP: ff11000012461000 R08: 1fe22000013778c9 R09: ff1100000a99d180
[   12.583580][  T280] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.583820][  T280] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012461000
[   12.584098][  T280] FS:  00007f867c620840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   12.584380][  T280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.584590][  T280] CR2: 00005562fad8fd5c CR3: 000000000f056005 CR4: 0000000000771ef0
[   12.584844][  T280] PKRU: 55555554
[   12.584999][  T280] Call Trace:
[   12.585154][  T280]  <TASK>
[   12.585280][  T280]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.585473][  T280]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.585649][  T280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.585795][  T280]  register_netdevice (net/core/dev.c:11488)
[   12.585975][  T280]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.586270][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.586506][  T280]  register_netdev (net/core/dev.c:11552)
[   12.586706][  T280]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   12.586895][  T280]  ops_init (net/core/net_namespace.c:137)
[   12.587056][  T280]  setup_net (net/core/net_namespace.c:446)
[   12.587202][  T280]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.587389][  T280]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.587566][  T280]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.587745][  T280]  copy_net_ns (net/core/net_namespace.c:579)
[   12.587923][  T280]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.588126][  T280]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.588313][  T280]  ksys_unshare (kernel/fork.c:3243)
[   12.588492][  T280]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.588667][  T280]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.588844][  T280]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.589034][  T280]  ? __ia32_sys_open (fs/open.c:1374)
[   12.589211][  T280]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.589410][  T280]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.589585][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.589760][  T280]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.589934][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.590123][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.590339][  T280] RIP: 0033:0x7f867c8e2bcb
[   12.590521][  T280] 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
[   12.591050][  T280] RSP: 002b:00007ffc371041a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.591299][  T280] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f867c8e2bcb
[   12.591538][  T280] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.591790][  T280] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.592040][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc371063d0
[   12.592288][  T280] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc37107869
| [   12.624132][  T281] ------------[ cut here ]------------
| [   12.624318][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/281
| [   12.624592][  T281] Modules linked in:
| [   12.625520][  T281] Tainted: [W]=WARN
[   12.625661][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.625868][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.626093][  T281] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.626608][  T281] RSP: 0018:ffa0000000ad7020 EFLAGS: 00010286
[   12.626820][  T281] RAX: 00000000ffffffa6 RBX: ff1100000d128740 RCX: 1ff400000015adca
[   12.627092][  T281] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1287fc
[   12.627339][  T281] RBP: ff1100000e459000 R08: 1fe2200001a25101 R09: ff1100000bfe8b58
[   12.627579][  T281] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.627816][  T281] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.628070][  T281] FS:  00007fe9e1145840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   12.628352][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.628565][  T281] CR2: 000000000db96988 CR3: 00000000124be001 CR4: 0000000000771ef0
[   12.628804][  T281] PKRU: 55555554
[   12.628946][  T281] Call Trace:
[   12.629102][  T281]  <TASK>
[   12.629224][  T281]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.629403][  T281]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.629550][  T281]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.629725][  T281]  __dev_notify_flags (net/core/dev.c:9787)
[   12.629909][  T281]  ? netif_change_name (net/core/dev.c:1495)
[   12.630098][  T281]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.630319][  T281]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.630500][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.630681][  T281]  ? 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))
[   12.630862][  T281]  netif_change_flags (net/core/dev.c:9820)
[   12.631054][  T281]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.631246][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.631430][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.631607][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.631816][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.631993][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.632183][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.632366][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.632545][  T281]  ? __kernel_text_address (kernel/extable.c:79)
[   12.632724][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.632903][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.633092][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.633282][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.633462][  T281]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.633642][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.633819][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.633998][  T281]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.634189][  T281]  ? __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)
[   12.634376][  T281]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.634554][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.634733][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.634913][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.635110][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.635297][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.635474][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.635653][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.635829][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.636019][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.636200][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.636386][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.636566][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.636743][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.636922][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.637119][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.637306][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.637487][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.637664][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.637843][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.638033][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.638213][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.638399][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.638576][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.638758][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.638934][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.639125][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.639316][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.639496][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.639676][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.639855][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.640045][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.640231][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.640410][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.640586][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.640795][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   12.640975][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.641164][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.641355][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   12.641534][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.641742][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.641935][  T281]  __sys_sendmsg (net/socket.c:2784)
[   12.642124][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.642313][  T281]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.642527][  T281]  ? 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)
[   12.642705][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.642884][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.643078][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.643262][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.643456][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.643665][  T281] RIP: 0033:0x7fe9e137f08e
[   12.643847][  T281] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.644369][  T281] RSP: 002b:00007ffdee463fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.644625][  T281] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe9e137f08e
[   12.644863][  T281] RDX: 0000000000000000 RSI: 00007ffdee464080 RDI: 0000000000000005
[   12.645116][  T281] RBP: 00007ffdee463fe0 R08: 0000000000000000 R09: 0000000000000000
[   12.645366][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e63f
[   12.645618][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdee464750
| [   12.768523][  T285] ------------[ cut here ]------------
| [   12.768670][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/285
| [   12.768898][  T285] Modules linked in:
| [   12.769275][  T285] Tainted: [W]=WARN
[   12.769373][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.769537][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.769707][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.770180][  T285] RSP: 0018:ffa0000000d67a80 EFLAGS: 00010286
[   12.770350][  T285] RAX: 00000000ffffffa6 RBX: ff1100000c38f700 RCX: 1ff40000001acf16
[   12.770546][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c38f7bc
[   12.770741][  T285] RBP: ff11000008b69000 R08: 1fe2200001871ef9 R09: ff1100000f71ae80
[   12.770933][  T285] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.771133][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b69000
[   12.771334][  T285] FS:  00007f1a82309840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.771568][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.771731][  T285] CR2: 00007f1a8250ac20 CR3: 00000000124be006 CR4: 0000000000771ef0
[   12.771926][  T285] PKRU: 55555554
[   12.772031][  T285] Call Trace:
[   12.772129][  T285]  <TASK>
[   12.772196][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.772335][  T285]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.772467][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.772566][  T285]  register_netdevice (net/core/dev.c:11488)
[   12.772698][  T285]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.772860][  T285]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.772991][  T285]  register_netdev (net/core/dev.c:11552)
[   12.773125][  T285]  loopback_net_init (drivers/net/loopback.c:218)
[   12.773262][  T285]  ops_init (net/core/net_namespace.c:137)
[   12.773363][  T285]  setup_net (net/core/net_namespace.c:446)
[   12.773461][  T285]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.773590][  T285]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.773720][  T285]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.773852][  T285]  copy_net_ns (net/core/net_namespace.c:579)
[   12.773983][  T285]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.774119][  T285]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.774257][  T285]  ksys_unshare (kernel/fork.c:3243)
[   12.774388][  T285]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.774519][  T285]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.774650][  T285]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.774779][  T285]  ? __ia32_sys_open (fs/open.c:1374)
[   12.774911][  T285]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.775046][  T285]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.775177][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.775311][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.775440][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.775569][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.775730][  T285] RIP: 0033:0x7f1a825cbbcb
[   12.775865][  T285] 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
[   12.776341][  T285] RSP: 002b:00007fff78eb2988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.776538][  T285] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a825cbbcb
[   12.776732][  T285] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.776925][  T285] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.777123][  T285] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff78eb4bb0
[   12.777319][  T285] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff78eb5869
| [   12.781547][  T285] ------------[ cut here ]------------
| [   12.781681][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/285
| [   12.781906][  T285] Modules linked in:
| [   12.782276][  T285] Tainted: [W]=WARN
[   12.782377][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.782540][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.782708][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.783176][  T285] RSP: 0018:ffa0000000d67918 EFLAGS: 00010286
[   12.783344][  T285] RAX: 00000000ffffffa6 RBX: ff1100000bf431c0 RCX: 1ff40000001acee9
[   12.783537][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf4327c
[   12.783729][  T285] RBP: ff1100000f994000 R08: 1fe22000017e8651 R09: ff1100000f71ae80
[   12.783923][  T285] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.784121][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f994000
[   12.784320][  T285] FS:  00007f1a82309840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.784547][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.784708][  T285] CR2: 00007f1a8250ac20 CR3: 00000000124be006 CR4: 0000000000771ef0
[   12.784902][  T285] PKRU: 55555554
[   12.784998][  T285] Call Trace:
[   12.785104][  T285]  <TASK>
[   12.785171][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.785305][  T285]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.785434][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.785533][  T285]  register_netdevice (net/core/dev.c:11488)
[   12.785664][  T285]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.785825][  T285]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.785959][  T285]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.786093][  T285]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.786226][  T285]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.786359][  T285]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.786489][  T285]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.786620][  T285]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   12.786750][  T285]  ops_init (net/core/net_namespace.c:137)
[   12.786852][  T285]  setup_net (net/core/net_namespace.c:446)
[   12.786950][  T285]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.787084][  T285]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.787218][  T285]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.787350][  T285]  copy_net_ns (net/core/net_namespace.c:579)
[   12.787480][  T285]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.787611][  T285]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.787743][  T285]  ksys_unshare (kernel/fork.c:3243)
[   12.787872][  T285]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.788001][  T285]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.788138][  T285]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.788274][  T285]  ? __ia32_sys_open (fs/open.c:1374)
[   12.788404][  T285]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.788534][  T285]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.788663][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.788791][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.788919][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.789052][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.789210][  T285] RIP: 0033:0x7f1a825cbbcb
[   12.789351][  T285] 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
[   12.789812][  T285] RSP: 002b:00007fff78eb2988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.790005][  T285] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a825cbbcb
[   12.790203][  T285] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.790400][  T285] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.790591][  T285] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff78eb4bb0
[   12.790782][  T285] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff78eb5869
| [   12.794538][  T285] ------------[ cut here ]------------
| [   12.794672][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/285
| [   12.794896][  T285] Modules linked in:
| [   12.795905][  T285] Tainted: [W]=WARN
[   12.796097][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.796268][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.796438][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.796902][  T285] RSP: 0018:ffa0000000d678f8 EFLAGS: 00010286
[   12.797137][  T285] RAX: 00000000ffffffa6 RBX: ff1100000bf42200 RCX: 1ff40000001acee5
[   12.797338][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf422bc
[   12.797590][  T285] RBP: ff1100000f87c000 R08: 1fe22000017e8459 R09: ff1100000f71ae80
[   12.797786][  T285] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.797981][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f87c000
[   12.798181][  T285] FS:  00007f1a82309840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.798414][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.798579][  T285] CR2: 00007f1a8250ac20 CR3: 00000000124be006 CR4: 0000000000771ef0
[   12.798776][  T285] PKRU: 55555554
[   12.798873][  T285] Call Trace:
[   12.798970][  T285]  <TASK>
[   12.799044][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.799175][  T285]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.799313][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.799413][  T285]  register_netdevice (net/core/dev.c:11488)
[   12.799545][  T285]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.799709][  T285]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.799842][  T285]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.799972][  T285]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   12.800110][  T285]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.800250][  T285]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.800381][  T285]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   12.800513][  T285]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   12.800644][  T285]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.800779][  T285]  vti_init_net (net/ipv4/ip_vti.c:517)
[   12.800909][  T285]  ops_init (net/core/net_namespace.c:137)
[   12.801014][  T285]  setup_net (net/core/net_namespace.c:446)
[   12.801114][  T285]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.801247][  T285]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.801377][  T285]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.801510][  T285]  copy_net_ns (net/core/net_namespace.c:579)
[   12.801643][  T285]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.801776][  T285]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.801908][  T285]  ksys_unshare (kernel/fork.c:3243)
[   12.802045][  T285]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.802175][  T285]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.802312][  T285]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.802443][  T285]  ? __ia32_sys_open (fs/open.c:1374)
[   12.802577][  T285]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.802706][  T285]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.802837][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.802966][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.803104][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.803240][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.803401][  T285] RIP: 0033:0x7f1a825cbbcb
[   12.803535][  T285] 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
[   12.804001][  T285] RSP: 002b:00007fff78eb2988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.804204][  T285] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a825cbbcb
[   12.804403][  T285] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.804600][  T285] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.804794][  T285] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff78eb4bb0
[   12.804987][  T285] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff78eb5869
| [   12.815239][  T285] ------------[ cut here ]------------
| [   12.815385][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/285
| [   12.815612][  T285] Modules linked in:
| [   12.815980][  T285] Tainted: [W]=WARN
[   12.816087][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.816253][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.816423][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.816902][  T285] RSP: 0018:ffa0000000d67a78 EFLAGS: 00010286
[   12.817076][  T285] RAX: 00000000ffffffa6 RBX: ff1100000beeae40 RCX: 1ff40000001acf15
[   12.817278][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beeaefc
[   12.817474][  T285] RBP: ff1100000f88c000 R08: 1fe22000017dd5e1 R09: ff1100000f71ae80
[   12.817669][  T285] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.817865][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f88c000
[   12.818068][  T285] FS:  00007f1a82309840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   12.818299][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.818464][  T285] CR2: 00005562fad8fd5c CR3: 00000000124be006 CR4: 0000000000771ef0
[   12.818663][  T285] PKRU: 55555554
[   12.818761][  T285] Call Trace:
[   12.818857][  T285]  <TASK>
[   12.818924][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.819062][  T285]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.819193][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.819297][  T285]  register_netdevice (net/core/dev.c:11488)
[   12.819429][  T285]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.819593][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.819727][  T285]  register_netdev (net/core/dev.c:11552)
[   12.819858][  T285]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   12.819991][  T285]  ops_init (net/core/net_namespace.c:137)
[   12.820100][  T285]  setup_net (net/core/net_namespace.c:446)
[   12.820199][  T285]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.820333][  T285]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.820463][  T285]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.820596][  T285]  copy_net_ns (net/core/net_namespace.c:579)
[   12.820728][  T285]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.820862][  T285]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.820992][  T285]  ksys_unshare (kernel/fork.c:3243)
[   12.821128][  T285]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.821261][  T285]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.821393][  T285]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.821524][  T285]  ? __ia32_sys_open (fs/open.c:1374)
[   12.821657][  T285]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.821786][  T285]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.821916][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.822052][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.822181][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.822315][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.822478][  T285] RIP: 0033:0x7f1a825cbbcb
[   12.822615][  T285] 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
[   12.823083][  T285] RSP: 002b:00007fff78eb2988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.823287][  T285] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a825cbbcb
[   12.823480][  T285] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.823673][  T285] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.823867][  T285] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff78eb4bb0
[   12.824068][  T285] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff78eb5869
| [   12.828304][  T285] ------------[ cut here ]------------
| [   12.828442][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/285
| [   12.828669][  T285] Modules linked in:
| [   12.829043][  T285] Tainted: [W]=WARN
[   12.829144][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.829311][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.829482][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.829948][  T285] RSP: 0018:ffa0000000d67a68 EFLAGS: 00010286
[   12.830119][  T285] RAX: 00000000ffffffa6 RBX: ff1100000beebc40 RCX: 1ff40000001acf13
[   12.830323][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beebcfc
[   12.830519][  T285] RBP: ff1100000f579000 R08: 1fe22000017dd7a1 R09: ff1100000f71ae80
[   12.830716][  T285] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.830911][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f579000
[   12.831116][  T285] FS:  00007f1a82309840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   12.831357][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.831522][  T285] CR2: 00005562fad8fd5c CR3: 00000000124be006 CR4: 0000000000771ef0
[   12.831721][  T285] PKRU: 55555554
[   12.831819][  T285] Call Trace:
[   12.831917][  T285]  <TASK>
[   12.831985][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.832123][  T285]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.832261][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.832362][  T285]  register_netdevice (net/core/dev.c:11488)
[   12.832498][  T285]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.832664][  T285]  register_netdev (net/core/dev.c:11552)
[   12.832796][  T285]  sit_init_net (net/ipv6/sit.c:1860)
[   12.832928][  T285]  ops_init (net/core/net_namespace.c:137)
[   12.833037][  T285]  setup_net (net/core/net_namespace.c:446)
[   12.833138][  T285]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.833272][  T285]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.833402][  T285]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.833534][  T285]  copy_net_ns (net/core/net_namespace.c:579)
[   12.833667][  T285]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.833801][  T285]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.833935][  T285]  ksys_unshare (kernel/fork.c:3243)
[   12.834075][  T285]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.834206][  T285]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.834341][  T285]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.834472][  T285]  ? __ia32_sys_open (fs/open.c:1374)
[   12.834605][  T285]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.834734][  T285]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.834865][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.834997][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.835135][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.835270][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.835432][  T285] RIP: 0033:0x7f1a825cbbcb
[   12.835567][  T285] 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
[   12.836039][  T285] RSP: 002b:00007fff78eb2988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.836241][  T285] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a825cbbcb
[   12.836436][  T285] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.836630][  T285] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.836826][  T285] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff78eb4bb0
[   12.837026][  T285] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff78eb5869
| [   12.841677][  T285] ------------[ cut here ]------------
| [   12.841813][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/285
| [   12.842057][  T285] Modules linked in:
| [   12.842422][  T285] Tainted: [W]=WARN
[   12.842522][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.842685][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.842854][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.843329][  T285] RSP: 0018:ffa0000000d67a78 EFLAGS: 00010286
[   12.843496][  T285] RAX: 00000000ffffffa6 RBX: ff11000005b61700 RCX: 1ff40000001acf15
[   12.843692][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b617bc
[   12.843888][  T285] RBP: ff1100000fee4000 R08: 1fe2200000b6c2f9 R09: ff1100000f71ae80
[   12.844088][  T285] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.844290][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fee4000
[   12.844488][  T285] FS:  00007f1a82309840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   12.844718][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.844881][  T285] CR2: 00005562fad8fd5c CR3: 00000000124be006 CR4: 0000000000771ef0
[   12.845083][  T285] PKRU: 55555554
[   12.845181][  T285] Call Trace:
[   12.845281][  T285]  <TASK>
[   12.845348][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.845479][  T285]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.845609][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.845708][  T285]  register_netdevice (net/core/dev.c:11488)
[   12.845840][  T285]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.846000][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.846139][  T285]  register_netdev (net/core/dev.c:11552)
[   12.846272][  T285]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   12.846404][  T285]  ops_init (net/core/net_namespace.c:137)
[   12.846504][  T285]  setup_net (net/core/net_namespace.c:446)
[   12.846603][  T285]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.846732][  T285]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.846862][  T285]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.846995][  T285]  copy_net_ns (net/core/net_namespace.c:579)
[   12.847132][  T285]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.847272][  T285]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.847403][  T285]  ksys_unshare (kernel/fork.c:3243)
[   12.847531][  T285]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.847661][  T285]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.847791][  T285]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   12.847921][  T285]  ? __ia32_sys_open (fs/open.c:1374)
[   12.848057][  T285]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.848184][  T285]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.848314][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.848444][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.848573][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.848701][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.848860][  T285] RIP: 0033:0x7f1a825cbbcb
[   12.848997][  T285] 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
[   12.849468][  T285] RSP: 002b:00007fff78eb2988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   12.849664][  T285] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a825cbbcb
[   12.849860][  T285] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   12.850061][  T285] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   12.850256][  T285] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff78eb4bb0
[   12.850447][  T285] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff78eb5869
| [   12.883356][  T286] ------------[ cut here ]------------
| [   12.883503][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/286
| [   12.883729][  T286] Modules linked in:
| [   12.884102][  T286] Tainted: [W]=WARN
[   12.884201][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.884366][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.884539][  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
[   12.884998][  T286] RSP: 0018:ffa0000000d67020 EFLAGS: 00010286
[   12.885261][  T286] RAX: 00000000ffffffa6 RBX: ff1100000b572580 RCX: 1ff40000001acdca
[   12.885454][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b57263c
[   12.885646][  T286] RBP: ff11000008b69000 R08: 1fe22000016ae4c9 R09: ff1100000f71d158
[   12.885840][  T286] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.886108][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.886306][  T286] FS:  00007fcfe08c7840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   12.886529][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.886776][  T286] CR2: 0000000005981988 CR3: 00000000124be002 CR4: 0000000000771ef0
[   12.886969][  T286] PKRU: 55555554
[   12.887157][  T286] Call Trace:
[   12.887258][  T286]  <TASK>
[   12.887324][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.887454][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.887551][  T286]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.887678][  T286]  __dev_notify_flags (net/core/dev.c:9787)
[   12.887810][  T286]  ? netif_change_name (net/core/dev.c:1495)
[   12.887938][  T286]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.888154][  T286]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.888286][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.888414][  T286]  ? 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))
[   12.888543][  T286]  netif_change_flags (net/core/dev.c:9820)
[   12.888673][  T286]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.888804][  T286]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.888935][  T286]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.889142][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.889305][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.889432][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.889560][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.889687][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.889814][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   12.889945][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.890150][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.890283][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.890412][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.890540][  T286]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.890669][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.890797][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.890925][  T286]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.891106][  T286]  ? __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)
[   12.891237][  T286]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.891365][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.891495][  T286]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.891625][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.891758][  T286]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.891889][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.892091][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.892222][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.892352][  T286]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.892479][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.892608][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.892735][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.892864][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.892993][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.893159][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.893292][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.893420][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.893547][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.893675][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.893806][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.893935][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.894071][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.894200][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.894333][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.894465][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.894593][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.894723][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.894855][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.894984][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.895117][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.895252][  T286]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.895381][  T286]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.895512][  T286]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.895641][  T286]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.895769][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.895929][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   12.896063][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.896191][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.896325][  T286]  ___sys_sendmsg (net/socket.c:2752)
[   12.896452][  T286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.896611][  T286]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.896751][  T286]  __sys_sendmsg (net/socket.c:2784)
[   12.896879][  T286]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.897011][  T286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.897173][  T286]  ? 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)
[   12.897305][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.897435][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.897562][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.897690][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.897818][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.897978][  T286] RIP: 0033:0x7fcfe0b0108e
[   12.898117][  T286] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.898577][  T286] RSP: 002b:00007ffe63e26340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.898770][  T286] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcfe0b0108e
[   12.898961][  T286] RDX: 0000000000000000 RSI: 00007ffe63e263f0 RDI: 0000000000000005
[   12.899156][  T286] RBP: 00007ffe63e26350 R08: 0000000000000000 R09: 0000000000000000
[   12.899351][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   12.899549][  T286] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe63e26ac0
| [   13.000894][  T289] ------------[ cut here ]------------
| [   13.001106][  T289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/289
| [   13.001408][  T289] Modules linked in:
| [   13.001874][  T289] Tainted: [W]=WARN
[   13.002033][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.002254][  T289] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.002477][  T289] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.002993][  T289] RSP: 0018:ffa0000000d86e30 EFLAGS: 00010286
[   13.003225][  T289] RAX: 00000000ffffffa6 RBX: ff1100000b5738c0 RCX: 1ff40000001b0d8c
[   13.003471][  T289] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b57397c
[   13.003715][  T289] RBP: ff1100000a0bc000 R08: 1fe22000016ae731 R09: ff1100000e0f5180
[   13.003961][  T289] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.004325][  T289] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c526380
[   13.004642][  T289] FS:  00007fd94a4c8840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   13.004977][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.005274][  T289] CR2: 000000000042ebe0 CR3: 00000000100a4001 CR4: 0000000000771ef0
[   13.005600][  T289] PKRU: 55555554
[   13.005891][  T289] Call Trace:
[   13.006114][  T289]  <TASK>
[   13.006265][  T289]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   13.006491][  T289]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.006673][  T289]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.006822][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.007004][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.007195][  T289]  __dev_notify_flags (net/core/dev.c:9787)
[   13.007386][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.007564][  T289]  ? netif_change_name (net/core/dev.c:1495)
[   13.007745][  T289]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   13.007926][  T289]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   13.008120][  T289]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.008310][  T289]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.008489][  T289]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.008670][  T289]  veth_newlink (drivers/net/veth.c:1871)
[   13.008851][  T289]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   13.009041][  T289]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.009230][  T289]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.009426][  T289]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.009624][  T289]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.009802][  T289]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.009985][  T289]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.010179][  T289]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.010368][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.010589][  T289]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.010772][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.010954][  T289]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.011150][  T289]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.011347][  T289]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.011534][  T289]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.011716][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.011894][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.012088][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.012276][  T289]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.012455][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.012676][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.012927][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.013199][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.013463][  T289]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.013689][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.013871][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.014065][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.014257][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.014440][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.014621][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.014803][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.014986][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.015180][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.015366][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.015558][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.015738][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.015919][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.016115][  T289]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.016304][  T289]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.016489][  T289]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.016669][  T289]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.016848][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.017078][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   13.017268][  T289]  ___sys_sendmsg (net/socket.c:2752)
[   13.017448][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.017628][  T289]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.017817][  T289]  ? 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))
[   13.018001][  T289]  __sys_sendmsg (net/socket.c:2784)
[   13.018196][  T289]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.018393][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.018573][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.018755][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.018936][  T289]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.019127][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.019318][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.019530][  T289] RIP: 0033:0x7fd94a70208e
[   13.019715][  T289] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.020257][  T289] RSP: 002b:00007ffd15e88770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.020506][  T289] RAX: ffffffffffffffda RBX: 00007ffd15e88f18 RCX: 00007fd94a70208e
[   13.020752][  T289] RDX: 0000000000000000 RSI: 00007ffd15e88820 RDI: 0000000000000005
[   13.020998][  T289] RBP: 00007ffd15e88780 R08: 0000000000000000 R09: 0000000000000000
[   13.021262][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.021508][  T289] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15e88ef0
| [   13.034598][  T289] ------------[ cut here ]------------
| [   13.034742][  T289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/289
| [   13.034968][  T289] Modules linked in:
| [   13.035361][  T289] Tainted: [W]=WARN
[   13.035462][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.035627][  T289] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.035799][  T289] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.036276][  T289] RSP: 0018:ffa0000000d871b0 EFLAGS: 00010286
[   13.036441][  T289] RAX: 00000000ffffffa6 RBX: ff11000009939e00 RCX: 1ff40000001b0dfc
[   13.036636][  T289] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009939ebc
[   13.036832][  T289] RBP: ff1100000f924000 R08: 1fe22000013273d9 R09: ff1100000e0f5180
[   13.037033][  T289] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.037229][  T289] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffaf203b20
[   13.037425][  T289] FS:  00007fd94a4c8840(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   13.037658][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.037822][  T289] CR2: 00005562fad8bae8 CR3: 00000000100a4003 CR4: 0000000000771ef0
[   13.038022][  T289] PKRU: 55555554
[   13.038121][  T289] Call Trace:
[   13.038224][  T289]  <TASK>
[   13.038292][  T289]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.038425][  T289]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.038525][  T289]  __dev_notify_flags (net/core/dev.c:9787)
[   13.038658][  T289]  ? netif_change_name (net/core/dev.c:1495)
[   13.038791][  T289]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.038923][  T289]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.039058][  T289]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.039191][  T289]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.039328][  T289]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.039460][  T289]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.039591][  T289]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.039728][  T289]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.039864][  T289]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.039996][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.040133][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.040268][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.040398][  T289]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.040527][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.040662][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.040796][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.040927][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.041064][  T289]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.041197][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.041332][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.041465][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.041596][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.041728][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.041860][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.041991][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.042181][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.042317][  T289]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.042452][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.042585][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.042716][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.042849][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.042981][  T289]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.043169][  T289]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.043306][  T289]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.043438][  T289]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.043569][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.043732][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   13.043867][  T289]  ___sys_sendmsg (net/socket.c:2752)
[   13.043997][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.044186][  T289]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.044387][  T289]  ? 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))
[   13.044522][  T289]  __sys_sendmsg (net/socket.c:2784)
[   13.044654][  T289]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.044790][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.044923][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.045133][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.045269][  T289]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.045400][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.045549][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.045713][  T289] RIP: 0033:0x7fd94a70208e
[   13.045851][  T289] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.046421][  T289] RSP: 002b:00007ffd15e88770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.046621][  T289] RAX: ffffffffffffffda RBX: 00007ffd15e88f18 RCX: 00007fd94a70208e
[   13.046817][  T289] RDX: 0000000000000000 RSI: 00007ffd15e88820 RDI: 0000000000000005
[   13.047107][  T289] RBP: 00007ffd15e88780 R08: 0000000000000000 R09: 0000000000000000
[   13.047307][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.047501][  T289] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15e88ef0
| [   13.093585][  T290] ------------[ cut here ]------------
| [   13.093760][  T290] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/290
| [   13.094041][  T290] Modules linked in:
| [   13.094503][  T290] Tainted: [W]=WARN
[   13.094649][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.094854][  T290] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.095084][  T290] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.095586][  T290] RSP: 0018:ffa0000000d96ff8 EFLAGS: 00010286
[   13.095795][  T290] RAX: 00000000ffffffa6 RBX: ff11000009938c80 RCX: 1ff40000001b2dc5
[   13.096041][  T290] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009938d3c
[   13.096281][  T290] RBP: ff1100000a0bc000 R08: 1fe22000013271a9 R09: ff1100000e0d8b58
[   13.096512][  T290] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.096751][  T290] R13: 0000000000000000 R14: ffa0000000d97140 R15: ff1100000f9fd550
[   13.096987][  T290] FS:  00007f7826264840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   13.097273][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.097543][  T290] CR2: 000000002ad0e988 CR3: 000000000e15e003 CR4: 0000000000771ef0
[   13.097850][  T290] PKRU: 55555554
[   13.097996][  T290] Call Trace:
[   13.098151][  T290]  <TASK>
[   13.098266][  T290]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   13.098442][  T290]  __dev_change_net_namespace (net/core/dev.c:12635)
[   13.098648][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.098819][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.098992][  T290]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.099207][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.099391][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.099565][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.099740][  T290]  ? 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))
[   13.099914][  T290]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.100100][  T290]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   13.100285][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.100461][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.100639][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.100842][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.101026][  T290]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.101200][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.101388][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.101562][  T290]  ? __kernel_text_address (kernel/extable.c:79)
[   13.101737][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.101914][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.102099][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.102283][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.102455][  T290]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.102625][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.102797][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.102969][  T290]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.103157][  T290]  ? __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)
[   13.103341][  T290]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.103514][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.103690][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.103861][  T290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.104047][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.104230][  T290]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.104405][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.104579][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.104752][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.104924][  T290]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.105110][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.105292][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.105463][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.105635][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.105808][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.105984][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.106171][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.106356][  T290]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.106530][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.106701][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.106875][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.107057][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.107243][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.107417][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.107591][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.107767][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.107937][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.108122][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.108307][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.108483][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.108660][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.108835][  T290]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.109022][  T290]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.109196][  T290]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.109377][  T290]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.109550][  T290]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.109751][  T290]  ? move_addr_to_kernel (net/socket.c:258)
[   13.109927][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.110113][  T290]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.110296][  T290]  ___sys_sendmsg (net/socket.c:2752)
[   13.110467][  T290]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.110672][  T290]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.110857][  T290]  __sys_sendmsg (net/socket.c:2784)
[   13.111042][  T290]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.111225][  T290]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.111433][  T290]  ? 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)
[   13.111607][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.111781][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.111953][  T290]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.112142][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.112325][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.112527][  T290] RIP: 0033:0x7f782649e08e
[   13.112708][  T290] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.113223][  T290] RSP: 002b:00007ffdcca82bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.113459][  T290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f782649e08e
[   13.113696][  T290] RDX: 0000000000000000 RSI: 00007ffdcca82c80 RDI: 0000000000000005
[   13.113928][  T290] RBP: 00007ffdcca82be0 R08: 0000000000000000 R09: 0000000000000000
[   13.114174][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.114416][  T290] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcca83350
| [   13.117594][  T290] ------------[ cut here ]------------
| [   13.117765][  T290] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/290
| [   13.118543][  T290] Modules linked in:
| [   13.119419][  T290] Tainted: [W]=WARN
[   13.119614][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.119872][  T290] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.120170][  T290] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.120733][  T290] RSP: 0018:ffa0000000d96fc0 EFLAGS: 00010286
[   13.120992][  T290] RAX: 00000000ffffffa6 RBX: ff110000021fa040 RCX: 1ff40000001b2dbe
[   13.121304][  T290] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021fa0fc
[   13.121597][  T290] RBP: ff1100000a0bc000 R08: 1fe220000043f421 R09: ff1100000e0d8b58
[   13.121888][  T290] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.122193][  T290] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9fd550
[   13.122493][  T290] FS:  00007f7826264840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   13.122819][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.123088][  T290] CR2: 000000002ad0e988 CR3: 000000000e15e003 CR4: 0000000000771ef0
[   13.123385][  T290] PKRU: 55555554
[   13.123581][  T290] Call Trace:
[   13.123778][  T290]  <TASK>
[   13.123943][  T290]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.124188][  T290]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.124427][  T290]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.124625][  T290]  __dev_change_net_namespace (net/core/dev.c:12695)
[   13.124884][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.125127][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.125372][  T290]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.125633][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.125862][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.126101][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.126341][  T290]  ? 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))
[   13.126574][  T290]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.126800][  T290]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   13.127043][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.127282][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.127518][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.127779][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.128106][  T290]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.128438][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.128775][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.129116][  T290]  ? __kernel_text_address (kernel/extable.c:79)
[   13.129421][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.129671][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.129926][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.130192][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.130462][  T290]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.130716][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.130964][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.131234][  T290]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.131490][  T290]  ? __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)
[   13.131736][  T290]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.131988][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.132286][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.132554][  T290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.132826][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.133112][  T290]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.133383][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.133649][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.133896][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.134149][  T290]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.134404][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.134652][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.134889][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.135144][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.135398][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.135643][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.135884][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.136142][  T290]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.136398][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.136652][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.136913][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.137179][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.137447][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.137701][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.137953][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.138237][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.138491][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.138746][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.139001][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.139271][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.139532][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.139790][  T290]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.140064][  T290]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.140313][  T290]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.140565][  T290]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.140798][  T290]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.141098][  T290]  ? move_addr_to_kernel (net/socket.c:258)
[   13.141360][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.141608][  T290]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.141865][  T290]  ___sys_sendmsg (net/socket.c:2752)
[   13.142133][  T290]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.142415][  T290]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.142692][  T290]  __sys_sendmsg (net/socket.c:2784)
[   13.142946][  T290]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.143213][  T290]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.143526][  T290]  ? 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)
[   13.143776][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.144043][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.144300][  T290]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.144554][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.144807][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.145120][  T290] RIP: 0033:0x7f782649e08e
[   13.145399][  T290] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.146163][  T290] RSP: 002b:00007ffdcca82bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.146507][  T290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f782649e08e
[   13.146850][  T290] RDX: 0000000000000000 RSI: 00007ffdcca82c80 RDI: 0000000000000005
[   13.147206][  T290] RBP: 00007ffdcca82be0 R08: 0000000000000000 R09: 0000000000000000
[   13.147563][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.147909][  T290] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcca83350
| [   13.215427][  T292] ------------[ cut here ]------------
| [   13.215579][  T292] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/292
| [   13.215809][  T292] Modules linked in:
| [   13.216186][  T292] Tainted: [W]=WARN
[   13.216296][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.216465][  T292] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.216637][  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
[   13.217110][  T292] RSP: 0018:ffa0000000da7020 EFLAGS: 00010286
[   13.217282][  T292] RAX: 00000000ffffffa6 RBX: ff110000118c3000 RCX: 1ff40000001b4dca
[   13.217479][  T292] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000118c30bc
[   13.217672][  T292] RBP: ff1100000f924000 R08: 1fe2200002318619 R09: ff1100000e0dd158
[   13.217865][  T292] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.218067][  T292] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.218299][  T292] FS:  00007f8cc7662840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   13.218538][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.218700][  T292] CR2: 00007f8cc79321a0 CR3: 0000000004b99004 CR4: 0000000000771ef0
[   13.218895][  T292] PKRU: 55555554
[   13.218993][  T292] Call Trace:
[   13.219102][  T292]  <TASK>
[   13.219169][  T292]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.219304][  T292]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.219401][  T292]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.219532][  T292]  __dev_notify_flags (net/core/dev.c:9787)
[   13.219669][  T292]  ? netif_change_name (net/core/dev.c:1495)
[   13.219797][  T292]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.219927][  T292]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.220067][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.220200][  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))
[   13.220336][  T292]  netif_change_flags (net/core/dev.c:9820)
[   13.220465][  T292]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.220594][  T292]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.220726][  T292]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.220858][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.221024][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.221153][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.221287][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.221415][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.221544][  T292]  ? __kernel_text_address (kernel/extable.c:79)
[   13.221674][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.221806][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.221934][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.222070][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.222199][  T292]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.222332][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.222461][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.222594][  T292]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.222723][  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)
[   13.222855][  T292]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.222984][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.223122][  T292]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.223258][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.223391][  T292]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.223525][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.223654][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.223785][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.223917][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.224052][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.224183][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.224316][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.224443][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.224572][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.224701][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.224830][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.224959][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.225180][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.225378][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.225508][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.225635][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.225764][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.225893][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.226119][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.226257][  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))
[   13.226386][  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))
[   13.226521][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.226651][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.226779][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.226914][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.227106][  T292]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.227243][  T292]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.227374][  T292]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.227502][  T292]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.227636][  T292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.227809][  T292]  ? move_addr_to_kernel (net/socket.c:258)
[   13.227939][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.228151][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.228286][  T292]  ___sys_sendmsg (net/socket.c:2752)
[   13.228416][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.228576][  T292]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.228716][  T292]  __sys_sendmsg (net/socket.c:2784)
[   13.228845][  T292]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.228975][  T292]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.229143][  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)
[   13.229283][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.229412][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.229539][  T292]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.229667][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.229795][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.229955][  T292] RIP: 0033:0x7f8cc789c08e
[   13.230097][  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
[   13.230564][  T292] RSP: 002b:00007fff09008bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.230759][  T292] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8cc789c08e
[   13.230952][  T292] RDX: 0000000000000000 RSI: 00007fff09008c70 RDI: 0000000000000005
[   13.231149][  T292] RBP: 00007fff09008bd0 R08: 0000000000000000 R09: 0000000000000000
[   13.231349][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.231543][  T292] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff09009340
| [   13.309952][  T294] ------------[ cut here ]------------
| [   13.310586][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/294
| [   13.310990][  T294] Modules linked in:
| [   13.311802][  T294] Tainted: [W]=WARN
[   13.312005][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.312341][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.312662][  T294] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.313492][  T294] RSP: 0018:ffa0000000dc71b0 EFLAGS: 00010286
[   13.313800][  T294] RAX: 00000000ffffffa6 RBX: ff1100000b974200 RCX: 1ff40000001b8dfc
[   13.314172][  T294] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9742bc
[   13.314526][  T294] RBP: ff1100000f07c000 R08: 1fe220000172e859 R09: ff1100000fbdae80
[   13.314875][  T294] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.315249][  T294] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffaf208da0
[   13.315610][  T294] FS:  00007f1d9bd40840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   13.316031][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.316344][  T294] CR2: 00000000004a2860 CR3: 000000000e15e005 CR4: 0000000000771ef0
[   13.316695][  T294] PKRU: 55555554
[   13.316898][  T294] Call Trace:
[   13.317117][  T294]  <TASK>
[   13.317280][  T294]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.317537][  T294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.317742][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.317994][  T294]  __dev_notify_flags (net/core/dev.c:9787)
[   13.318272][  T294]  ? netif_change_name (net/core/dev.c:1495)
[   13.318526][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.318776][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.319047][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.319312][  T294]  ? 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)
[   13.319568][  T294]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.319826][  T294]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.320098][  T294]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   13.320364][  T294]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.320623][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.320878][  T294]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.321149][  T294]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.321424][  T294]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.321692][  T294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.321951][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.322227][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.322484][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.322739][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.322993][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.323284][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.323541][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.323798][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.324068][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.324330][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.324585][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.324842][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.325114][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.325380][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.325636][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.325892][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.326170][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.326447][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.326704][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.326960][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.327237][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.327497][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.327753][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.328024][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.328288][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.328542][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.328797][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.329115][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   13.329385][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   13.329642][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.329906][  T294]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.330237][  T294]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   13.330498][  T294]  __sys_sendmsg (net/socket.c:2784)
[   13.330756][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.331039][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.331302][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.331556][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.331809][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.332078][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.332387][  T294] RIP: 0033:0x7f1d9bf7a08e
[   13.332649][  T294] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.333439][  T294] RSP: 002b:00007ffff6a89640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.333792][  T294] RAX: ffffffffffffffda RBX: 00007ffff6a89de8 RCX: 00007f1d9bf7a08e
[   13.334163][  T294] RDX: 0000000000000000 RSI: 00007ffff6a896f0 RDI: 0000000000000005
[   13.334527][  T294] RBP: 00007ffff6a89650 R08: 0000000000000000 R09: 0000000000000000
[   13.334879][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.335270][  T294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff6a89dc0
| [   13.365383][  T295] ------------[ cut here ]------------
| [   13.365528][  T295] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/295
| [   13.365752][  T295] Modules linked in:
| [   13.366120][  T295] Tainted: [W]=WARN
[   13.366223][  T295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.366385][  T295] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.366553][  T295] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.367021][  T295] RSP: 0018:ffa0000000dd7020 EFLAGS: 00010286
[   13.367184][  T295] RAX: 00000000ffffffa6 RBX: ff1100000b974c80 RCX: 1ff40000001badca
[   13.367383][  T295] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b974d3c
[   13.367575][  T295] RBP: ff1100000f07c000 R08: 1fe220000172e9a9 R09: ff1100000fbdd158
[   13.367766][  T295] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.367956][  T295] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.368153][  T295] FS:  00007f6111388840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   13.368386][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.368546][  T295] CR2: 0000000009fa7988 CR3: 000000000e15e003 CR4: 0000000000771ef0
[   13.368738][  T295] PKRU: 55555554
[   13.368835][  T295] Call Trace:
[   13.368933][  T295]  <TASK>
[   13.369000][  T295]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.369136][  T295]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.369240][  T295]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.369368][  T295]  __dev_notify_flags (net/core/dev.c:9787)
[   13.369500][  T295]  ? netif_change_name (net/core/dev.c:1495)
[   13.369629][  T295]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.369762][  T295]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.369893][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.370025][  T295]  ? 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))
[   13.370162][  T295]  netif_change_flags (net/core/dev.c:9820)
[   13.370294][  T295]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.370422][  T295]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.370553][  T295]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.370684][  T295]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.370844][  T295]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.370973][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.371163][  T295]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.371349][  T295]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.371479][  T295]  ? __kernel_text_address (kernel/extable.c:79)
[   13.371609][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.371742][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.371875][  T295]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.372003][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.372200][  T295]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.372330][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.372457][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.372586][  T295]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.372715][  T295]  ? __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)
[   13.372845][  T295]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.372975][  T295]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.373184][  T295]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.373320][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.373457][  T295]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.373587][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.373715][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.373843][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.373973][  T295]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.374188][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.374323][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.374455][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.374584][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.374713][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.374843][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.374972][  T295]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.375178][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.375310][  T295]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.375437][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.375567][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.375696][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.375826][  T295]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.375955][  T295]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.376172][  T295]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.376311][  T295]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.376440][  T295]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.376571][  T295]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.376701][  T295]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.376835][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.376966][  T295]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.377153][  T295]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.377287][  T295]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.377417][  T295]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.377546][  T295]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.377675][  T295]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.377835][  T295]  ? move_addr_to_kernel (net/socket.c:258)
[   13.377965][  T295]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.378188][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.378325][  T295]  ___sys_sendmsg (net/socket.c:2752)
[   13.378452][  T295]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.378614][  T295]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.378753][  T295]  __sys_sendmsg (net/socket.c:2784)
[   13.378885][  T295]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.379033][  T295]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.379194][  T295]  ? 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)
[   13.379365][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.379496][  T295]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.379625][  T295]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.379758][  T295]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.379888][  T295]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.380053][  T295] RIP: 0033:0x7f61115c208e
[   13.380187][  T295] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.380652][  T295] RSP: 002b:00007fff31a6c700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.380848][  T295] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f61115c208e
[   13.381050][  T295] RDX: 0000000000000000 RSI: 00007fff31a6c7b0 RDI: 0000000000000005
[   13.381245][  T295] RBP: 00007fff31a6c710 R08: 0000000000000000 R09: 0000000000000000
[   13.381436][  T295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.381627][  T295] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff31a6ce80
| [   13.415112][  T296] ------------[ cut here ]------------
| [   13.415269][  T296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/296
| [   13.415501][  T296] Modules linked in:
| [   13.415886][  T296] Tainted: [W]=WARN
[   13.415986][  T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.416158][  T296] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.416337][  T296] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.416808][  T296] RSP: 0018:ffa0000000de6f40 EFLAGS: 00010286
[   13.416978][  T296] RAX: 00000000ffffffa6 RBX: ff1100000b9bf1c0 RCX: 1ff40000001bcdae
[   13.417181][  T296] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9bf27c
[   13.417380][  T296] RBP: ff1100000a0bc000 R08: 1fe2200001737e51 R09: ff1100000a900b58
[   13.417575][  T296] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.417772][  T296] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   13.417976][  T296] FS:  00007f5d0af10840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   13.418244][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.418421][  T296] CR2: 00000000004eb738 CR3: 000000000e15e005 CR4: 0000000000771ef0
[   13.418621][  T296] PKRU: 55555554
[   13.418719][  T296] Call Trace:
[   13.418819][  T296]  <TASK>
[   13.418887][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.419022][  T296]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.419153][  T296]  notifier_call_chain (kernel/notifier.c:85)
[   13.419313][  T296]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   13.419445][  T296]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.419575][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.419709][  T296]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.419841][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.419972][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.420166][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.420304][  T296]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   13.420436][  T296]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   13.420568][  T296]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   13.420701][  T296]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.420834][  T296]  do_set_master (net/core/rtnetlink.c:3011)
[   13.420966][  T296]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.421158][  T296]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.421293][  T296]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.421426][  T296]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.421589][  T296]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.421723][  T296]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.421854][  T296]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.421990][  T296]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.422180][  T296]  ? __kernel_text_address (kernel/extable.c:79)
[   13.422372][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.422505][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.422639][  T296]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.422773][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.422907][  T296]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.423097][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.423229][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.423359][  T296]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.423492][  T296]  ? __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)
[   13.423624][  T296]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.423757][  T296]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.423893][  T296]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.424079][  T296]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.424212][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.424348][  T296]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.424481][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.424611][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.424742][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.424877][  T296]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.425103][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.425240][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.425371][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.425501][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.425633][  T296]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.425766][  T296]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.425897][  T296]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.426120][  T296]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.426254][  T296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.426385][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.426517][  T296]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.426647][  T296]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.426778][  T296]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.426910][  T296]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.427123][  T296]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.427266][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.427398][  T296]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.427533][  T296]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.427667][  T296]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.427798][  T296]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.427932][  T296]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.428147][  T296]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.428287][  T296]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.428422][  T296]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.428553][  T296]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.428689][  T296]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.428852][  T296]  ? move_addr_to_kernel (net/socket.c:258)
[   13.428984][  T296]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.429171][  T296]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.429314][  T296]  ___sys_sendmsg (net/socket.c:2752)
[   13.429446][  T296]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.429609][  T296]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.429754][  T296]  __sys_sendmsg (net/socket.c:2784)
[   13.429886][  T296]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.430075][  T296]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.430243][  T296]  ? 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)
[   13.430378][  T296]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.430510][  T296]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.430640][  T296]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.430771][  T296]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.430902][  T296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.431126][  T296] RIP: 0033:0x7f5d0b14a08e
[   13.431271][  T296] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.431744][  T296] RSP: 002b:00007ffdbe8903b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.431944][  T296] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5d0b14a08e
[   13.432199][  T296] RDX: 0000000000000000 RSI: 00007ffdbe890460 RDI: 0000000000000005
[   13.432402][  T296] RBP: 00007ffdbe8903c0 R08: 0000000000000000 R09: 0000000000000000
[   13.432598][  T296] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.432794][  T296] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbe890b30
| [   13.506910][  T298] ------------[ cut here ]------------
| [   13.507114][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/298
| [   13.507405][  T298] Modules linked in:
| [   13.507877][  T298] Tainted: [W]=WARN
[   13.508033][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.508251][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.508471][  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
[   13.508973][  T298] RSP: 0018:ffa0000000df7020 EFLAGS: 00010286
[   13.509267][  T298] RAX: 00000000ffffffa6 RBX: ff1100000c930ac0 RCX: 1ff40000001bedca
[   13.509559][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c930b7c
[   13.509850][  T298] RBP: ff1100000a0bc000 R08: 1fe2200001926171 R09: ff1100000a905158
[   13.510152][  T298] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.510396][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.510641][  T298] FS:  00007f5a5086d840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   13.510921][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.511148][  T298] CR2: 000000003c3b5988 CR3: 0000000011a27005 CR4: 0000000000771ef0
[   13.511394][  T298] PKRU: 55555554
[   13.511537][  T298] Call Trace:
[   13.511680][  T298]  <TASK>
[   13.511794][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.511973][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.512132][  T298]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.512321][  T298]  __dev_notify_flags (net/core/dev.c:9787)
[   13.512503][  T298]  ? netif_change_name (net/core/dev.c:1495)
[   13.512679][  T298]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.512858][  T298]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.513047][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.513231][  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))
[   13.513416][  T298]  netif_change_flags (net/core/dev.c:9820)
[   13.513594][  T298]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.513773][  T298]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.513953][  T298]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.514147][  T298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.514364][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.514546][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.514722][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.514901][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.515093][  T298]  ? __kernel_text_address (kernel/extable.c:79)
[   13.515279][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.515459][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.515636][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.515814][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.515993][  T298]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.516182][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.516364][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.516549][  T298]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.516727][  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)
[   13.516905][  T298]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.517092][  T298]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.517282][  T298]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.517463][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.517644][  T298]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.517824][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.518003][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.518195][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.518383][  T298]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.518560][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.518741][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.518915][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.519106][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.519296][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.519474][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.519653][  T298]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.519831][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.520020][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.520196][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.520383][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.520559][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.520739][  T298]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.520916][  T298]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.521109][  T298]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.521298][  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))
[   13.521475][  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))
[   13.521654][  T298]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.521833][  T298]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.522026][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.522206][  T298]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.522394][  T298]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.522572][  T298]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.522751][  T298]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.522930][  T298]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.523120][  T298]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.523337][  T298]  ? move_addr_to_kernel (net/socket.c:258)
[   13.523521][  T298]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.523700][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.523878][  T298]  ___sys_sendmsg (net/socket.c:2752)
[   13.524067][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.524284][  T298]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.524475][  T298]  __sys_sendmsg (net/socket.c:2784)
[   13.524654][  T298]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.524831][  T298]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.525055][  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)
[   13.525242][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.525422][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.525598][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.525775][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.525954][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.526179][  T298] RIP: 0033:0x7f5a50aa708e
[   13.526372][  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
[   13.526878][  T298] RSP: 002b:00007fffc547e070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.527134][  T298] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5a50aa708e
[   13.527382][  T298] RDX: 0000000000000000 RSI: 00007fffc547e120 RDI: 0000000000000005
[   13.527624][  T298] RBP: 00007fffc547e080 R08: 0000000000000000 R09: 0000000000000000
[   13.527864][  T298] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.528119][  T298] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc547e7f0
| [   13.531141][   T58] ------------[ cut here ]------------
| [   13.531332][   T58] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/58
| [   13.531674][   T58] Modules linked in:
| [   13.532178][   T58] Tainted: [W]=WARN
[   13.532300][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.532453][   T58] Workqueue: events_unbound linkwatch_event
[   13.532613][   T58] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.532768][   T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.533279][   T58] RSP: 0018:ffa00000003ef9e0 EFLAGS: 00010286
[   13.533461][   T58] RAX: 00000000ffffffa6 RBX: ff11000005b60c80 RCX: 1ff400000007df02
[   13.533639][   T58] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b60d3c
[   13.533816][   T58] RBP: ff1100000a0bc000 R08: 1fe2200000b6c1a9 R09: ff11000005258ba8
[   13.533991][   T58] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   13.534182][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.534381][   T58] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   13.534590][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.534741][   T58] CR2: 00007f5d0afdd574 CR3: 000000001a14d004 CR4: 0000000000771ef0
[   13.534930][   T58] PKRU: 55555554
[   13.535025][   T58] Call Trace:
[   13.535114][   T58]  <TASK>
[   13.535180][   T58]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.535304][   T58]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.535426][   T58]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.535517][   T58]  netif_state_change (net/core/dev.c:1605)
[   13.535637][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.535787][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.535907][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.536035][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.536154][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.536279][   T58]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.536398][   T58]  process_one_work (kernel/workqueue.c:3314)
[   13.536523][   T58]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.536641][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.536764][   T58]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.536888][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.537014][   T58]  kthread (kernel/kthread.c:436)
[   13.537104][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.537259][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.537378][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.537499][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.537649][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.537773][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.537892][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.539889][   T58] ------------[ cut here ]------------
| [   13.540021][   T58] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/58
| [   13.540261][   T58] Modules linked in:
| [   13.540626][   T58] Tainted: [W]=WARN
[   13.540716][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.540865][   T58] Workqueue: events_unbound linkwatch_event
[   13.541150][   T58] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.541321][   T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.541819][   T58] RSP: 0018:ffa00000003ef9e0 EFLAGS: 00010286
[   13.541970][   T58] RAX: 00000000ffffffa6 RBX: ff11000005b603c0 RCX: 1ff400000007df02
[   13.542246][   T58] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b6047c
[   13.542431][   T58] RBP: ff1100000f924000 R08: 1fe2200000b6c091 R09: ff11000005258ba8
[   13.542606][   T58] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   13.542859][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.543044][   T58] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   13.543258][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.543487][   T58] CR2: 00007f5d0afdd574 CR3: 000000001a14d004 CR4: 0000000000771ef0
[   13.543663][   T58] PKRU: 55555554
[   13.543753][   T58] Call Trace:
[   13.543841][   T58]  <TASK>
[   13.543978][   T58]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.544103][   T58]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.544230][   T58]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.544324][   T58]  netif_state_change (net/core/dev.c:1605)
[   13.544516][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.544663][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.544781][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.544903][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.545142][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.545314][   T58]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.545444][   T58]  process_one_work (kernel/workqueue.c:3314)
[   13.545566][   T58]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.545756][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.545880][   T58]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.546002][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.546135][   T58]  kthread (kernel/kthread.c:436)
[   13.546229][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.546376][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.546494][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.546614][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.546837][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.546956][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.547079][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.654421][  T301] ------------[ cut here ]------------
| [   13.654614][  T301] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/301
| [   13.654894][  T301] Modules linked in:
| [   13.655884][  T301] Tainted: [W]=WARN
[   13.656045][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.656266][  T301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.656492][  T301] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.657040][  T301] RSP: 0018:ffa0000000df6e30 EFLAGS: 00010286
[   13.657265][  T301] RAX: 00000000ffffffa6 RBX: ff1100000b5831c0 RCX: 1ff40000001bed8c
[   13.657515][  T301] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b58327c
[   13.657766][  T301] RBP: ff1100000f20c000 R08: 1fe22000016b0651 R09: ff11000009b4d180
[   13.658027][  T301] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.658280][  T301] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004e9e700
[   13.658528][  T301] FS:  00007f5803b8e840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   13.658808][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.659037][  T301] CR2: 000000000042ebe0 CR3: 000000000fbd4003 CR4: 0000000000771ef0
[   13.659295][  T301] PKRU: 55555554
[   13.659442][  T301] Call Trace:
[   13.659589][  T301]  <TASK>
[   13.659706][  T301]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.659890][  T301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.660056][  T301]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   13.660281][  T301]  __dev_notify_flags (net/core/dev.c:9787)
[   13.660467][  T301]  ? netif_change_name (net/core/dev.c:1495)
[   13.660646][  T301]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.660828][  T301]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.661073][  T301]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.661266][  T301]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   13.661449][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.661633][  T301]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.661816][  T301]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.661996][  T301]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.662189][  T301]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.662382][  T301]  veth_newlink (drivers/net/veth.c:1871)
[   13.662566][  T301]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   13.662746][  T301]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.662932][  T301]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.663124][  T301]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.663329][  T301]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.663513][  T301]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.663698][  T301]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.663879][  T301]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.664076][  T301]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.664269][  T301]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.664452][  T301]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.664632][  T301]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.664814][  T301]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.665001][  T301]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.665201][  T301]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.665397][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.665577][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.665760][  T301]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.665941][  T301]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.666135][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.666328][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.666510][  T301]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.666691][  T301]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.666873][  T301]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.667064][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.667253][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.667438][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.667617][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.667800][  T301]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.667981][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.668177][  T301]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.668370][  T301]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.668556][  T301]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.668740][  T301]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.668925][  T301]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.669119][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.669311][  T301]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.669497][  T301]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.669680][  T301]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.669863][  T301]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.670061][  T301]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.670249][  T301]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.670463][  T301]  ? move_addr_to_kernel (net/socket.c:258)
[   13.670649][  T301]  ___sys_sendmsg (net/socket.c:2752)
[   13.670829][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.671023][  T301]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.671213][  T301]  ? 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))
[   13.671406][  T301]  __sys_sendmsg (net/socket.c:2784)
[   13.671588][  T301]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.671772][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.671953][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.672150][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.672339][  T301]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.672521][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.672704][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.672919][  T301] RIP: 0033:0x7f5803dc808e
[   13.673118][  T301] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.673644][  T301] RSP: 002b:00007ffc6bb30500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.673895][  T301] RAX: ffffffffffffffda RBX: 00007ffc6bb30ca8 RCX: 00007f5803dc808e
[   13.674155][  T301] RDX: 0000000000000000 RSI: 00007ffc6bb305b0 RDI: 0000000000000005
[   13.674410][  T301] RBP: 00007ffc6bb30510 R08: 0000000000000000 R09: 0000000000000000
[   13.674654][  T301] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.674902][  T301] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6bb30c80
| [   13.682886][  T301] ------------[ cut here ]------------
| [   13.683079][  T301] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/301
| [   13.683367][  T301] Modules linked in:
| [   13.683825][  T301] Tainted: [W]=WARN
[   13.683970][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.684191][  T301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.684422][  T301] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.684933][  T301] RSP: 0018:ffa0000000df71b0 EFLAGS: 00010286
[   13.685689][  T301] RAX: 00000000ffffffa6 RBX: ff1100000d0a0ac0 RCX: 1ff40000001bedfc
[   13.685993][  T301] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0a0b7c
[   13.686315][  T301] RBP: ff1100000e6d9000 R08: 1fe2200001a14171 R09: ff11000009b4d180
[   13.686614][  T301] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.686911][  T301] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffaf203b20
[   13.687243][  T301] FS:  00007f5803b8e840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   13.687580][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.687849][  T301] CR2: 000000000042ebe0 CR3: 000000000fbd4003 CR4: 0000000000771ef0
[   13.688162][  T301] PKRU: 55555554
[   13.688371][  T301] Call Trace:
[   13.688573][  T301]  <TASK>
[   13.688742][  T301]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.688983][  T301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.689202][  T301]  __dev_notify_flags (net/core/dev.c:9787)
[   13.689447][  T301]  ? netif_change_name (net/core/dev.c:1495)
[   13.689681][  T301]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.689913][  T301]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.690164][  T301]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.690411][  T301]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.690652][  T301]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.690887][  T301]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.691136][  T301]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.691386][  T301]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.691625][  T301]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.691862][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.692107][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.692350][  T301]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.692588][  T301]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.692822][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.693074][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.693320][  T301]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.693558][  T301]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.693793][  T301]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.694041][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.694283][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.694522][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.694756][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.694991][  T301]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.695247][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.695484][  T301]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.695724][  T301]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.695958][  T301]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.696211][  T301]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.696457][  T301]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.696693][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.696928][  T301]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.697180][  T301]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.697423][  T301]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.697687][  T301]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.697931][  T301]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.698125][  T301]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.698347][  T301]  ? move_addr_to_kernel (net/socket.c:258)
[   13.698535][  T301]  ___sys_sendmsg (net/socket.c:2752)
[   13.698715][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.698894][  T301]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.699097][  T301]  ? 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))
[   13.699292][  T301]  __sys_sendmsg (net/socket.c:2784)
[   13.699474][  T301]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.699657][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.699837][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.700033][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.700213][  T301]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.700400][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.700583][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.700799][  T301] RIP: 0033:0x7f5803dc808e
[   13.700986][  T301] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.701529][  T301] RSP: 002b:00007ffc6bb30500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.701775][  T301] RAX: ffffffffffffffda RBX: 00007ffc6bb30ca8 RCX: 00007f5803dc808e
[   13.702035][  T301] RDX: 0000000000000000 RSI: 00007ffc6bb305b0 RDI: 0000000000000005
[   13.702290][  T301] RBP: 00007ffc6bb30510 R08: 0000000000000000 R09: 0000000000000000
[   13.702535][  T301] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.702782][  T301] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6bb30c80
| [   13.744207][  T302] ------------[ cut here ]------------
| [   13.744355][  T302] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/302
| [   13.744575][  T302] Modules linked in:
| [   13.744928][  T302] Tainted: [W]=WARN
[   13.745031][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.745187][  T302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.745359][  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
[   13.745805][  T302] RSP: 0018:ffa0000000596ff8 EFLAGS: 00010286
[   13.745962][  T302] RAX: 00000000ffffffa6 RBX: ff1100000beebe00 RCX: 1ff40000000b2dc5
[   13.746155][  T302] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beebebc
[   13.746347][  T302] RBP: ff1100000f20c000 R08: 1fe22000017dd7d9 R09: ff1100000f008b58
[   13.746534][  T302] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.746720][  T302] R13: 0000000000000000 R14: ffa0000000597140 R15: ff110000098f0750
[   13.746913][  T302] FS:  00007f0d6a6c5840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   13.747139][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.747302][  T302] CR2: 0000000024a11988 CR3: 000000000e15e004 CR4: 0000000000771ef0
[   13.747489][  T302] PKRU: 55555554
[   13.747582][  T302] Call Trace:
[   13.747675][  T302]  <TASK>
[   13.747739][  T302]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   13.747865][  T302]  __dev_change_net_namespace (net/core/dev.c:12635)
[   13.748028][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.748199][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.748329][  T302]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.748483][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.748606][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.748731][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.748856][  T302]  ? 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))
[   13.748983][  T302]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.749591][  T302]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   13.749725][  T302]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.749853][  T302]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.749979][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.750189][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.750318][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.750446][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.750571][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.750697][  T302]  ? __kernel_text_address (kernel/extable.c:79)
[   13.750834][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.750963][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.751146][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.751278][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.751403][  T302]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.751526][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.751651][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.751831][  T302]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.751958][  T302]  ? __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)
[   13.752139][  T302]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.752271][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.752402][  T302]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.752525][  T302]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.752653][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.752781][  T302]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.752910][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.753091][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.753222][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.753348][  T302]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.753476][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.753605][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.753729][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.753854][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.753980][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.754162][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.754291][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.754420][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.754545][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.754671][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.754799][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.754924][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.755085][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.755211][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.755340][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.755472][  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))
[   13.755597][  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))
[   13.755725][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.755852][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.755977][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.756111][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.756244][  T302]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.756375][  T302]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.756503][  T302]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.756631][  T302]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.756756][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.756910][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   13.757044][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.757171][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.757307][  T302]  ___sys_sendmsg (net/socket.c:2752)
[   13.757434][  T302]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.757589][  T302]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.757726][  T302]  __sys_sendmsg (net/socket.c:2784)
[   13.757854][  T302]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.757980][  T302]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.758150][  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)
[   13.758283][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.758412][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.758540][  T302]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.758665][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.758790][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.758945][  T302] RIP: 0033:0x7f0d6a8ff08e
[   13.759083][  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
[   13.759536][  T302] RSP: 002b:00007ffc3c555990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.759725][  T302] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d6a8ff08e
[   13.759913][  T302] RDX: 0000000000000000 RSI: 00007ffc3c555a40 RDI: 0000000000000005
[   13.760109][  T302] RBP: 00007ffc3c5559a0 R08: 0000000000000000 R09: 0000000000000000
[   13.760302][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.760489][  T302] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3c556110
| [   13.764249][  T302] ------------[ cut here ]------------
| [   13.764386][  T302] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/302
| [   13.764608][  T302] Modules linked in:
| [   13.764967][  T302] Tainted: [W]=WARN
[   13.765071][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.765231][  T302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.765395][  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
[   13.765852][  T302] RSP: 0018:ffa0000000596fc0 EFLAGS: 00010286
[   13.766015][  T302] RAX: 00000000ffffffa6 RBX: ff110000021fb8c0 RCX: 1ff40000000b2dbe
[   13.766203][  T302] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021fb97c
[   13.766397][  T302] RBP: ff1100000f20c000 R08: 1fe220000043f731 R09: ff1100000f008b58
[   13.766587][  T302] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.766776][  T302] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000098f0750
[   13.766967][  T302] FS:  00007f0d6a6c5840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   13.767201][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.767366][  T302] CR2: 0000000024a11988 CR3: 000000000e15e004 CR4: 0000000000771ef0
[   13.767556][  T302] PKRU: 55555554
[   13.767651][  T302] Call Trace:
[   13.767746][  T302]  <TASK>
[   13.767812][  T302]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.767939][  T302]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.768127][  T302]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.768229][  T302]  __dev_change_net_namespace (net/core/dev.c:12695)
[   13.768389][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.768516][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.768646][  T302]  ? default_device_exit_batch (net/core/dev.c:13091)
[   13.768804][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.768930][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.769114][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.769249][  T302]  ? 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))
[   13.769431][  T302]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.769559][  T302]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   13.769688][  T302]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   13.769817][  T302]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.769944][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.770157][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.770289][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.770415][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.770541][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.770668][  T302]  ? __kernel_text_address (kernel/extable.c:79)
[   13.770794][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.770923][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.771102][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.771235][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.771363][  T302]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.771490][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.771616][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.771744][  T302]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.771871][  T302]  ? __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)
[   13.771999][  T302]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.772184][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.772320][  T302]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.772447][  T302]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.772576][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.772707][  T302]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.772836][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.772963][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.773147][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.773279][  T302]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.773408][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.773538][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.773665][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.773792][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.773920][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.774102][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.774234][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.774363][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.774491][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.774618][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.774748][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.774876][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.775004][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.775184][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.775317][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.775450][  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))
[   13.775576][  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))
[   13.775705][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.775833][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.775961][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.776145][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.776279][  T302]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.776409][  T302]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.776537][  T302]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.776663][  T302]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.776790][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.776946][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   13.777129][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.777260][  T302]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.777391][  T302]  ___sys_sendmsg (net/socket.c:2752)
[   13.777517][  T302]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.777674][  T302]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.777812][  T302]  __sys_sendmsg (net/socket.c:2784)
[   13.777939][  T302]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.778120][  T302]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.778293][  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)
[   13.778421][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.778550][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.778676][  T302]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.778801][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.778928][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.779139][  T302] RIP: 0033:0x7f0d6a8ff08e
[   13.779275][  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
[   13.779729][  T302] RSP: 002b:00007ffc3c555990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.779919][  T302] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d6a8ff08e
[   13.780163][  T302] RDX: 0000000000000000 RSI: 00007ffc3c555a40 RDI: 0000000000000005
[   13.780358][  T302] RBP: 00007ffc3c5559a0 R08: 0000000000000000 R09: 0000000000000000
[   13.780545][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e640
[   13.780733][  T302] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3c556110
| [   13.833413][  T304] ------------[ cut here ]------------
| [   13.833562][  T304] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/304
| [   13.833788][  T304] Modules linked in:
| [   13.834163][  T304] Tainted: [W]=WARN
[   13.834340][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.834508][  T304] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.834676][  T304] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.835442][  T304] RSP: 0018:ffa0000000e17020 EFLAGS: 00010286
[   13.835604][  T304] RAX: 00000000ffffffa6 RBX: ff1100000925c200 RCX: 1ff40000001c2dca
[   13.835795][  T304] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000925c2bc
[   13.835987][  T304] RBP: ff1100000e6d9000 R08: 1fe220000124b859 R09: ff1100000f00d158
[   13.836180][  T304] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.836376][  T304] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.836569][  T304] FS:  00007f9eddf35840(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   13.836796][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.836957][  T304] CR2: 000000002446d988 CR3: 000000000fbd4005 CR4: 0000000000771ef0
[   13.837158][  T304] PKRU: 55555554
[   13.837261][  T304] Call Trace:
[   13.837356][  T304]  <TASK>
[   13.837424][  T304]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.837554][  T304]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.837652][  T304]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.837779][  T304]  __dev_notify_flags (net/core/dev.c:9787)
[   13.837909][  T304]  ? netif_change_name (net/core/dev.c:1495)
[   13.838045][  T304]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.838175][  T304]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.838310][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.838439][  T304]  ? 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))
[   13.838569][  T304]  netif_change_flags (net/core/dev.c:9820)
[   13.838699][  T304]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.838829][  T304]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.838959][  T304]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.839095][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.839259][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.839386][  T304]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.839513][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.839640][  T304]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.839768][  T304]  ? __kernel_text_address (kernel/extable.c:79)
[   13.839896][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.840046][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.840175][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.840309][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.840438][  T304]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.840565][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.840692][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.840820][  T304]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.840949][  T304]  ? __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)
[   13.841085][  T304]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.841214][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.841347][  T304]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.841478][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.841609][  T304]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.841740][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.841868][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.841995][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.842133][  T304]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.842265][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.842395][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.842523][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.842650][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.842778][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.842909][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.843044][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.843175][  T304]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.843338][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.843468][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.843597][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.843725][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.843854][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.843983][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.844117][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.844253][  T304]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.844381][  T304]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.844510][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.844639][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.844768][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.844897][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.845031][  T304]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.845163][  T304]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.845296][  T304]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.845424][  T304]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.845553][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.845710][  T304]  ? move_addr_to_kernel (net/socket.c:258)
[   13.845839][  T304]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.845966][  T304]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.846102][  T304]  ___sys_sendmsg (net/socket.c:2752)
[   13.846231][  T304]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.846390][  T304]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.846530][  T304]  __sys_sendmsg (net/socket.c:2784)
[   13.846659][  T304]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.846786][  T304]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.846947][  T304]  ? 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)
[   13.847081][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.847209][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.847343][  T304]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.847470][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.847597][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.847756][  T304] RIP: 0033:0x7f9ede16f08e
[   13.847890][  T304] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.848351][  T304] RSP: 002b:00007fff049df230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.848542][  T304] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ede16f08e
[   13.848730][  T304] RDX: 0000000000000000 RSI: 00007fff049df2e0 RDI: 0000000000000005
[   13.848923][  T304] RBP: 00007fff049df240 R08: 0000000000000000 R09: 0000000000000000
[   13.849120][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e641
[   13.849313][  T304] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff049df9b0
| [   13.919881][  T306] ------------[ cut here ]------------
| [   13.920044][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/306
| [   13.920323][  T306] Modules linked in:
| [   13.920853][  T306] Tainted: [W]=WARN
[   13.921002][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.921265][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.921525][  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
[   13.922050][  T306] RSP: 0018:ffa0000000e271b0 EFLAGS: 00010286
[   13.922227][  T306] RAX: 00000000ffffffa6 RBX: ff110000055d8580 RCX: 1ff40000001c4dfc
[   13.922427][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055d863c
[   13.922625][  T306] RBP: ff110000020bc000 R08: 1fe2200000abb0c9 R09: ff1100000fbb0b80
[   13.922822][  T306] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.923023][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffaf208da0
[   13.923227][  T306] FS:  00007f645832d840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   13.923465][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.923636][  T306] CR2: 00000000004a2860 CR3: 000000000e15e001 CR4: 0000000000771ef0
[   13.923838][  T306] PKRU: 55555554
[   13.923938][  T306] Call Trace:
[   13.924046][  T306]  <TASK>
[   13.924116][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.924263][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.924365][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.924499][  T306]  __dev_notify_flags (net/core/dev.c:9787)
[   13.924634][  T306]  ? netif_change_name (net/core/dev.c:1495)
[   13.924768][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.924900][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.925040][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.925174][  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)
[   13.925311][  T306]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.925447][  T306]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.925581][  T306]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   13.925716][  T306]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.925851][  T306]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.925983][  T306]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.926121][  T306]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.926265][  T306]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.926403][  T306]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.926538][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.926669][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.926801][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.926933][  T306]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.927072][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.927209][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.927350][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.927484][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.927617][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.927749][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.927881][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.928021][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.928152][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.928301][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.928434][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.928566][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.928702][  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))
[   13.928835][  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))
[   13.928968][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.929109][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.929250][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.929383][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.929517][  T306]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.929650][  T306]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.929786][  T306]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.929918][  T306]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.930055][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.930223][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   13.930362][  T306]  ___sys_sendmsg (net/socket.c:2752)
[   13.930494][  T306]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.930632][  T306]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.930804][  T306]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   13.930984][  T306]  __sys_sendmsg (net/socket.c:2784)
[   13.931190][  T306]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.931403][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.931606][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.931798][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.931942][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.932088][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.932259][  T306] RIP: 0033:0x7f645856708e
[   13.932398][  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
[   13.932868][  T306] RSP: 002b:00007ffe44e8acd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.933075][  T306] RAX: ffffffffffffffda RBX: 00007ffe44e8b478 RCX: 00007f645856708e
[   13.933280][  T306] RDX: 0000000000000000 RSI: 00007ffe44e8ad80 RDI: 0000000000000005
[   13.933475][  T306] RBP: 00007ffe44e8ace0 R08: 0000000000000000 R09: 0000000000000000
[   13.933673][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e641
[   13.933870][  T306] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe44e8b450
| [   13.964786][  T307] ------------[ cut here ]------------
| [   13.964966][  T307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/307
| [   13.965264][  T307] Modules linked in:
| [   13.965731][  T307] Tainted: [W]=WARN
[   13.965877][  T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.966097][  T307] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.966326][  T307] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.966832][  T307] RSP: 0018:ffa0000000e37020 EFLAGS: 00010286
[   13.967055][  T307] RAX: 00000000ffffffa6 RBX: ff110000094a2740 RCX: 1ff40000001c6dca
[   13.967296][  T307] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094a27fc
[   13.967537][  T307] RBP: ff110000020bc000 R08: 1fe2200001294501 R09: ff1100000fbb2e58
[   13.967774][  T307] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.968024][  T307] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.968270][  T307] FS:  00007fd38803a840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   13.968546][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.968755][  T307] CR2: 000000000bb6d988 CR3: 000000000e15e005 CR4: 0000000000771ef0
[   13.968994][  T307] PKRU: 55555554
[   13.969150][  T307] Call Trace:
[   13.969300][  T307]  <TASK>
[   13.969414][  T307]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.969594][  T307]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.969744][  T307]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.969921][  T307]  __dev_notify_flags (net/core/dev.c:9787)
[   13.970114][  T307]  ? netif_change_name (net/core/dev.c:1495)
[   13.970298][  T307]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.970476][  T307]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.970653][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.970833][  T307]  ? 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))
[   13.971028][  T307]  netif_change_flags (net/core/dev.c:9820)
[   13.971246][  T307]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.971427][  T307]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.971607][  T307]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.971786][  T307]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.971994][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.972190][  T307]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.972417][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.972593][  T307]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.972772][  T307]  ? __kernel_text_address (kernel/extable.c:79)
[   13.972951][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.973146][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.973331][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.973514][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.973692][  T307]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.973870][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.974059][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.974245][  T307]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.974425][  T307]  ? __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)
[   13.974602][  T307]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.974782][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.974965][  T307]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.975161][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.975352][  T307]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.975533][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.975709][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.975889][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.976081][  T307]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.976267][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.976452][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.976630][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.976809][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.976988][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.977182][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.977367][  T307]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.977547][  T307]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.977727][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.977904][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.978094][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.978279][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.978485][  T307]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.978663][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.978841][  T307]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.979035][  T307]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.979214][  T307]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.979402][  T307]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.979581][  T307]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.979760][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.979938][  T307]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.980127][  T307]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.980313][  T307]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.980493][  T307]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.980674][  T307]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.980851][  T307]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.981090][  T307]  ? move_addr_to_kernel (net/socket.c:258)
[   13.981279][  T307]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.981458][  T307]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.981638][  T307]  ___sys_sendmsg (net/socket.c:2752)
[   13.981816][  T307]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.982040][  T307]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.982240][  T307]  __sys_sendmsg (net/socket.c:2784)
[   13.982418][  T307]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.982595][  T307]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.982808][  T307]  ? 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)
[   13.982985][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.983180][  T307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.983366][  T307]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.983543][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.983722][  T307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.983931][  T307] RIP: 0033:0x7fd38827408e
[   13.984125][  T307] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.984643][  T307] RSP: 002b:00007ffd5dc52350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.984887][  T307] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd38827408e
[   13.985141][  T307] RDX: 0000000000000000 RSI: 00007ffd5dc52400 RDI: 0000000000000005
[   13.985391][  T307] RBP: 00007ffd5dc52360 R08: 0000000000000000 R09: 0000000000000000
[   13.985632][  T307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e641
[   13.985873][  T307] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5dc52ad0
| [   14.018377][  T308] ------------[ cut here ]------------
| [   14.018526][  T308] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/308
| [   14.018759][  T308] Modules linked in:
| [   14.019294][  T308] Tainted: [W]=WARN
[   14.019402][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.019573][  T308] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.019747][  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
[   14.020234][  T308] RSP: 0018:ffa0000000e46f40 EFLAGS: 00010286
[   14.020403][  T308] RAX: 00000000ffffffa6 RBX: ff110000029e0c80 RCX: 1ff40000001c8dae
[   14.020601][  T308] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029e0d3c
[   14.020800][  T308] RBP: ff1100000f20c000 R08: 1fe220000053c1a9 R09: ff1100000fbb5158
[   14.020998][  T308] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.021205][  T308] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   14.021409][  T308] FS:  00007f672b107840(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   14.021643][  T308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.021809][  T308] CR2: 00000000004eb738 CR3: 0000000011a83004 CR4: 0000000000771ef0
[   14.022015][  T308] PKRU: 55555554
[   14.022115][  T308] Call Trace:
[   14.022215][  T308]  <TASK>
[   14.022292][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.022427][  T308]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.022560][  T308]  notifier_call_chain (kernel/notifier.c:85)
[   14.022694][  T308]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   14.022828][  T308]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.022963][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.023103][  T308]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.023241][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.023373][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.023504][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.023639][  T308]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   14.023772][  T308]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   14.023908][  T308]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   14.024050][  T308]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.024184][  T308]  do_set_master (net/core/rtnetlink.c:3011)
[   14.024324][  T308]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.024458][  T308]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.024593][  T308]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.024727][  T308]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.024895][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.025037][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.025169][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.025307][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.025448][  T308]  ? __kernel_text_address (kernel/extable.c:79)
[   14.025580][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.025713][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.025847][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.025979][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.026118][  T308]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.026258][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.026391][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.026523][  T308]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.026656][  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)
[   14.026789][  T308]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.026923][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.027059][  T308]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.027191][  T308]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.027333][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.027469][  T308]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.027604][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.027736][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.027869][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.028005][  T308]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.028164][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.028302][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.028435][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.028568][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.028700][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.028834][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.028968][  T308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.029109][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.029247][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.029380][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.029515][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.029648][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.029783][  T308]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.029915][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.030065][  T308]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.030268][  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))
[   14.030443][  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))
[   14.030579][  T308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.030713][  T308]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.030848][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.030983][  T308]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.031123][  T308]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.031264][  T308]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.031400][  T308]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.031536][  T308]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.031669][  T308]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.031835][  T308]  ? move_addr_to_kernel (net/socket.c:258)
[   14.031970][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.032110][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.032251][  T308]  ___sys_sendmsg (net/socket.c:2752)
[   14.032384][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.032551][  T308]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.032696][  T308]  __sys_sendmsg (net/socket.c:2784)
[   14.032831][  T308]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.032963][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.033139][  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)
[   14.033281][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.033416][  T308]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.033550][  T308]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.033683][  T308]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.033815][  T308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.033979][  T308] RIP: 0033:0x7f672b34108e
[   14.034124][  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
[   14.034610][  T308] RSP: 002b:00007ffd47832ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.034811][  T308] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f672b34108e
[   14.035016][  T308] RDX: 0000000000000000 RSI: 00007ffd47832b70 RDI: 0000000000000005
[   14.035224][  T308] RBP: 00007ffd47832ad0 R08: 0000000000000000 R09: 0000000000000000
[   14.035426][  T308] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e641
[   14.035625][  T308] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd47833240
| [   14.089808][  T310] ------------[ cut here ]------------
| [   14.089986][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/310
| [   14.090286][  T310] Modules linked in:
| [   14.090747][  T310] Tainted: [W]=WARN
[   14.090902][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.091230][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.091543][  T310] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.092141][  T310] RSP: 0018:ffa0000000e67020 EFLAGS: 00010286
[   14.092452][  T310] RAX: 00000000ffffffa6 RBX: ff11000002630040 RCX: 1ff40000001ccdca
[   14.092767][  T310] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000026300fc
[   14.093114][  T310] RBP: ff1100000f20c000 R08: 1fe22000004c6021 R09: ff110000091f8b58
[   14.093428][  T310] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   14.093725][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.094034][  T310] FS:  00007f588756b840(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   14.094371][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.094615][  T310] CR2: 00000000289f4988 CR3: 0000000011a83003 CR4: 0000000000771ef0
[   14.094860][  T310] PKRU: 55555554
[   14.095005][  T310] Call Trace:
[   14.095163][  T310]  <TASK>
[   14.095287][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.095470][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.095619][  T310]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.095794][  T310]  __dev_notify_flags (net/core/dev.c:9787)
[   14.095975][  T310]  ? netif_change_name (net/core/dev.c:1495)
[   14.096167][  T310]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.096355][  T310]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.096533][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.096711][  T310]  ? 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))
[   14.096890][  T310]  netif_change_flags (net/core/dev.c:9820)
[   14.097083][  T310]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.097268][  T310]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.097451][  T310]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.097630][  T310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.097838][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.098029][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.098207][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.098393][  T310]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.098572][  T310]  ? __kernel_text_address (kernel/extable.c:79)
[   14.098750][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.098928][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.099119][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.099301][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.099479][  T310]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.099655][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.099832][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.100034][  T310]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.100213][  T310]  ? __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)
[   14.100400][  T310]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.100580][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.100765][  T310]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.100945][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.101140][  T310]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.101341][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.101522][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.101701][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.101879][  T310]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.102069][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.102257][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.102435][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.102615][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.102796][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.102975][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.103165][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.103355][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.103535][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.103712][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.103897][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.104087][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.104278][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.104458][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.104640][  T310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.104820][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.104996][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.105193][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.105382][  T310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.105561][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.105741][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.105922][  T310]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.106115][  T310]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.106300][  T310]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.106482][  T310]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.106659][  T310]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.106867][  T310]  ? move_addr_to_kernel (net/socket.c:258)
[   14.107061][  T310]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.107249][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.107430][  T310]  ___sys_sendmsg (net/socket.c:2752)
[   14.107607][  T310]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.107817][  T310]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.108020][  T310]  __sys_sendmsg (net/socket.c:2784)
[   14.108198][  T310]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.108387][  T310]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.108601][  T310]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.108779][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.108958][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.109150][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.109330][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.109509][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.109721][  T310] RIP: 0033:0x7f58877a508e
[   14.109904][  T310] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.110432][  T310] RSP: 002b:00007ffdc6597ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.110676][  T310] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f58877a508e
[   14.110919][  T310] RDX: 0000000000000000 RSI: 00007ffdc6597f80 RDI: 0000000000000005
[   14.111175][  T310] RBP: 00007ffdc6597ee0 R08: 0000000000000000 R09: 0000000000000000
[   14.111423][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e641
[   14.111665][  T310] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc6598650
| [   14.114512][   T58] ------------[ cut here ]------------
| [   14.114644][   T58] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/58
| [   14.114885][   T58] Modules linked in:
| [   14.115288][   T58] Tainted: [W]=WARN
[   14.115379][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.115530][   T58] Workqueue: events_unbound linkwatch_event
[   14.115686][   T58] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.115842][   T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.116285][   T58] RSP: 0018:ffa00000003ef9e0 EFLAGS: 00010286
[   14.116437][   T58] RAX: 00000000ffffffa6 RBX: ff110000055d9e00 RCX: 1ff400000007df02
[   14.116616][   T58] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055d9ebc
[   14.116791][   T58] RBP: ff1100000f20c000 R08: 1fe2200000abb3d9 R09: ff11000005258ba8
[   14.116968][   T58] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.117164][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.117357][   T58] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   14.117569][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.117720][   T58] CR2: 00005562fad8fd5c CR3: 0000000010153004 CR4: 0000000000771ef0
[   14.117909][   T58] PKRU: 55555554
[   14.117998][   T58] Call Trace:
[   14.118095][   T58]  <TASK>
[   14.118160][   T58]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.118286][   T58]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.118413][   T58]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.118505][   T58]  netif_state_change (net/core/dev.c:1605)
[   14.118627][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.118778][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.118897][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.119022][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.119144][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.119266][   T58]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.119387][   T58]  process_one_work (kernel/workqueue.c:3314)
[   14.119512][   T58]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.119631][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.119753][   T58]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.119878][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.119998][   T58]  kthread (kernel/kthread.c:436)
[   14.120095][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.120249][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.120368][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.120488][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.120636][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.120756][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.120880][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.122852][   T58] ------------[ cut here ]------------
| [   14.122984][   T58] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/58
| [   14.123236][   T58] Modules linked in:
| [   14.123684][   T58] Tainted: [W]=WARN
[   14.123777][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.123930][   T58] Workqueue: events_unbound linkwatch_event
[   14.124176][   T58] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.124345][   T58] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.124770][   T58] RSP: 0018:ffa00000003ef9e0 EFLAGS: 00010286
[   14.124925][   T58] RAX: 00000000ffffffa6 RBX: ff110000055d8ac0 RCX: 1ff400000007df02
[   14.125110][   T58] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055d8b7c
[   14.125374][   T58] RBP: ff1100000e6d9000 R08: 1fe2200000abb171 R09: ff11000005258ba8
[   14.125557][   T58] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.125737][   T58] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.125997][   T58] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   14.126222][   T58] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.126452][   T58] CR2: 00005562fad8fd5c CR3: 0000000010153004 CR4: 0000000000771ef0
[   14.126633][   T58] PKRU: 55555554
[   14.126724][   T58] Call Trace:
[   14.126817][   T58]  <TASK>
[   14.126881][   T58]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.127004][   T58]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.127132][   T58]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.127229][   T58]  netif_state_change (net/core/dev.c:1605)
[   14.127352][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.127506][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.127627][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.127752][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.127876][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.128078][   T58]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.128199][   T58]  process_one_work (kernel/workqueue.c:3314)
[   14.128333][   T58]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.128453][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.128578][   T58]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.128703][   T58]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.128822][   T58]  kthread (kernel/kthread.c:436)
[   14.128913][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.129070][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.129190][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.129316][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.129542][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.129663][   T58]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.129783][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.953935][   T12] ------------[ cut here ]------------
| [   52.954147][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   52.954398][   T12] Modules linked in:
| [   52.954793][   T12] Tainted: [W]=WARN
[   52.954883][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.955097][   T12] Workqueue: netns cleanup_net
[   52.955227][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.955389][   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
[   52.955816][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   52.955967][   T12] RAX: 00000000ffffffa6 RBX: ff1100000925c040 RCX: 1ff4000000018eed
[   52.956153][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000925c0fc
[   52.956331][   T12] RBP: ff1100000f491000 R08: 1fe220000124b821 R09: ff11000001aed1d0
[   52.956557][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.956737][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.956918][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   52.957135][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.957283][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   52.957474][   T12] PKRU: 55555554
[   52.957564][   T12] Call Trace:
[   52.957655][   T12]  <TASK>
[   52.957719][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.957872][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.958023][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   52.958145][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   52.958266][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.958389][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   52.958507][   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)
[   52.958628][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   52.958755][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   52.958873][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.958994][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   52.959120][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   52.959237][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   52.959360][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.959481][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.959604][   T12]  process_one_work (kernel/workqueue.c:3314)
[   52.959728][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.959845][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.959969][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.960177][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.960298][   T12]  kthread (kernel/kthread.c:436)
[   52.960395][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.960541][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.960732][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.960850][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.960998][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.961125][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.961245][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.964313][   T12] ------------[ cut here ]------------
| [   52.964443][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   52.964676][   T12] Modules linked in:
| [   52.965096][   T12] Tainted: [W]=WARN
[   52.965187][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.965336][   T12] Workqueue: netns cleanup_net
[   52.965463][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.965619][   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
[   52.966197][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   52.966424][   T12] RAX: 00000000ffffffa6 RBX: ff11000005b60200 RCX: 1ff4000000018eed
[   52.966726][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b602bc
[   52.966984][   T12] RBP: ff1100000f3e4000 R08: 1fe2200000b6c059 R09: ff11000001aed1d0
[   52.967241][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.967426][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.967610][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   52.967829][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.967980][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   52.968169][   T12] PKRU: 55555554
[   52.968259][   T12] Call Trace:
[   52.968356][   T12]  <TASK>
[   52.968421][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.968576][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.968723][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   52.968915][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   52.969044][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.969165][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   52.969295][   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)
[   52.969491][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   52.969686][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   52.969807][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.969931][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   52.970057][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   52.970178][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   52.970375][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.970494][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.970616][   T12]  process_one_work (kernel/workqueue.c:3314)
[   52.970739][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.970855][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.970980][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.971151][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.971325][   T12]  kthread (kernel/kthread.c:436)
[   52.971462][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.971636][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.971834][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.971954][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.972115][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.972236][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.972359][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.975225][   T12] ------------[ cut here ]------------
| [   52.975355][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   52.975660][   T12] Modules linked in:
| [   52.976108][   T12] Tainted: [W]=WARN
[   52.976198][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.976355][   T12] Workqueue: netns cleanup_net
[   52.976479][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.976711][   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
[   52.977139][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   52.977372][   T12] RAX: 00000000ffffffa6 RBX: ff11000005b60740 RCX: 1ff4000000018eed
[   52.977549][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b607fc
[   52.977727][   T12] RBP: ff1100000f41c000 R08: 1fe2200000b6c101 R09: ff11000001aed1d0
[   52.977984][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.978162][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.978414][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   52.978618][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.978767][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   52.979021][   T12] PKRU: 55555554
[   52.979110][   T12] Call Trace:
[   52.979196][   T12]  <TASK>
[   52.979257][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.979487][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.979635][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   52.979754][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   52.979874][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.980071][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   52.980191][   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)
[   52.980312][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   52.980439][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   52.980557][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.980678][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   52.980797][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   52.980914][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   52.981112][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.981232][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.981364][   T12]  process_one_work (kernel/workqueue.c:3314)
[   52.981486][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.981675][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.981800][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.981927][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.982049][   T12]  kthread (kernel/kthread.c:436)
[   52.982210][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.982364][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.982482][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.982615][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.982835][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.982954][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.983077][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.985336][   T12] ------------[ cut here ]------------
| [   52.985530][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   52.985760][   T12] Modules linked in:
| [   52.986199][   T12] Tainted: [W]=WARN
[   52.986294][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.986453][   T12] Workqueue: netns cleanup_net
[   52.986654][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.986811][   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
[   52.987246][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   52.987406][   T12] RAX: 00000000ffffffa6 RBX: ff11000005b60c80 RCX: 1ff4000000018eed
[   52.987583][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b60d3c
[   52.987760][   T12] RBP: ff110000059ec000 R08: 1fe2200000b6c1a9 R09: ff11000001aed1d0
[   52.987935][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.988116][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.988296][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   52.988509][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.988663][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   52.988841][   T12] PKRU: 55555554
[   52.988929][   T12] Call Trace:
[   52.989021][   T12]  <TASK>
[   52.989083][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.989236][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.989390][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   52.989511][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   52.989631][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.989750][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   52.989869][   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)
[   52.989989][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   52.990114][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   52.990231][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   52.990355][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   52.990474][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   52.990590][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   52.990711][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   52.990827][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   52.990947][   T12]  process_one_work (kernel/workqueue.c:3314)
[   52.991076][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   52.991193][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   52.991316][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   52.991445][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   52.991565][   T12]  kthread (kernel/kthread.c:436)
[   52.991653][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.991800][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.991918][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.992044][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   52.992193][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.992312][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   52.992899][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.995300][   T12] ------------[ cut here ]------------
| [   52.995425][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   52.995664][   T12] Modules linked in:
| [   52.996025][   T12] Tainted: [W]=WARN
[   52.996115][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.996272][   T12] Workqueue: netns cleanup_net
[   52.996405][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   52.996560][   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
[   52.996986][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   52.997141][   T12] RAX: 00000000ffffffa6 RBX: ff11000005b60e40 RCX: 1ff4000000018eed
[   52.997315][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b60efc
[   52.997496][   T12] RBP: ff1100000f37c000 R08: 1fe2200000b6c1e1 R09: ff11000001aed1d0
[   52.997670][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   52.997854][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   52.998041][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   52.998244][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.998400][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   52.998578][   T12] PKRU: 55555554
[   52.998666][   T12] Call Trace:
[   52.998754][   T12]  <TASK>
[   52.998821][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   52.998976][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   52.999129][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   52.999248][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   52.999375][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.999493][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   52.999611][   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)
[   52.999732][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   52.999851][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   52.999969][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.000096][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.000214][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.000329][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.000453][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.000936][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.001061][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.001182][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.001299][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.001425][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.001545][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.001661][   T12]  kthread (kernel/kthread.c:436)
[   53.001750][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.001969][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.002094][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.002212][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.002431][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.002549][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.002668][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.021740][   T12] ------------[ cut here ]------------
| [   53.021878][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.022136][   T12] Modules linked in:
| [   53.022526][   T12] Tainted: [W]=WARN
[   53.022630][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.022788][   T12] Workqueue: netns cleanup_net
[   53.022920][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.023597][   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
[   53.024108][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   53.024267][   T12] RAX: 00000000ffffffa6 RBX: ff11000005b61000 RCX: 1ff4000000018eae
[   53.024459][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b610bc
[   53.024648][   T12] RBP: ff1100000a0bc000 R08: 1fe2200000b6c219 R09: ff11000001aed1d0
[   53.024836][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   53.025075][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   53.025263][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.025487][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.025648][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.025837][   T12] PKRU: 55555554
[   53.025932][   T12] Call Trace:
[   53.026078][   T12]  <TASK>
[   53.026145][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.026269][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   53.026399][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   53.026528][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   53.026675][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.026800][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   53.026954][   T12]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.027131][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   53.027256][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.027384][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.027508][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.027637][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   53.027763][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   53.027918][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.028104][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   53.028201][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.028326][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.028460][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.028590][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.028717][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.028842][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.028969][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.029152][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.029277][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.029413][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.029539][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.029664][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.029791][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.029915][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.030095][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.030225][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.030354][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.030484][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.030615][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.030740][   T12]  kthread (kernel/kthread.c:436)
[   53.030834][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.030988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.031164][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.031289][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.031446][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.031574][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.031700][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.034828][   T12] ------------[ cut here ]------------
| [   53.034972][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.035241][   T12] Modules linked in:
| [   53.035644][   T12] Tainted: [W]=WARN
[   53.035740][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.035901][   T12] Workqueue: netns cleanup_net
[   53.036049][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.036217][   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
[   53.036677][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   53.036845][   T12] RAX: 00000000ffffffa6 RBX: ff110000021fb700 RCX: 1ff4000000018ea8
[   53.037048][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021fb7bc
[   53.037240][   T12] RBP: ff1100000a0bc000 R08: 1fe220000043f6f9 R09: ff11000001aed1d0
[   53.037435][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   53.037626][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.037818][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.038051][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.038213][   T12] CR2: 00005562fad8bae8 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.038410][   T12] PKRU: 55555554
[   53.038505][   T12] Call Trace:
[   53.038600][   T12]  <TASK>
[   53.038667][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.038797][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.038895][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.039031][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   53.039161][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   53.039289][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.039422][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.039554][   T12]  netif_change_flags (net/core/dev.c:9820)
[   53.039683][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   53.039811][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.039943][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   53.040048][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   53.040145][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.040273][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.040406][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.040535][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.040664][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.040792][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.040921][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.041054][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.041182][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.041312][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.041445][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.041572][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.041701][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.041829][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.041959][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.042097][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.042224][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.042360][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.042492][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.042618][   T12]  kthread (kernel/kthread.c:436)
[   53.042715][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.042873][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.043000][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.043136][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.043298][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.043431][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.043559][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.045212][   T12] ------------[ cut here ]------------
| [   53.045339][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.045596][   T12] Modules linked in:
| [   53.045981][   T12] Tainted: [W]=WARN
[   53.046085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.046245][   T12] Workqueue: netns cleanup_net
[   53.046379][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.046544][   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
[   53.046997][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   53.047169][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b9be040 RCX: 1ff4000000018ea8
[   53.047366][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9be0fc
[   53.047556][   T12] RBP: ff1100000a0bc000 R08: 1fe2200001737c21 R09: ff11000001aed1d0
[   53.047748][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   53.047938][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.048137][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.048363][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.048521][   T12] CR2: 00005562fad8bae8 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.048713][   T12] PKRU: 55555554
[   53.048808][   T12] Call Trace:
[   53.048903][   T12]  <TASK>
[   53.048969][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.049118][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.049216][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.049344][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   53.049474][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   53.049602][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   53.049729][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.049856][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.049986][   T12]  netif_change_flags (net/core/dev.c:9820)
[   53.050119][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   53.050245][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.050378][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   53.050477][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   53.050574][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.050702][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.050833][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.050964][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.051098][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.051226][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.051359][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.051488][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.051619][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.051754][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.051882][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.052015][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.052144][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.052270][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.052403][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.052536][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.052662][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.052795][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.052930][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.053064][   T12]  kthread (kernel/kthread.c:436)
[   53.053161][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.053320][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.053480][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.053610][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.053769][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.053900][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.054034][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.058039][   T12] ------------[ cut here ]------------
| [   53.058180][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.058436][   T12] Modules linked in:
| [   53.058818][   T12] Tainted: [W]=WARN
[   53.058913][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.059083][   T12] Workqueue: netns cleanup_net
[   53.059214][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.059381][   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
[   53.059825][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   53.059984][   T12] RAX: 00000000ffffffa6 RBX: ff110000103bc3c0 RCX: 1ff4000000018eae
[   53.060308][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103bc47c
[   53.060501][   T12] RBP: ff1100000f331000 R08: 1fe2200002077891 R09: ff11000001aed1d0
[   53.060687][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   53.060876][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   53.061073][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.061292][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.061452][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.061648][   T12] PKRU: 55555554
[   53.061741][   T12] Call Trace:
[   53.061834][   T12]  <TASK>
[   53.061899][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.062030][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   53.062155][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   53.062282][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   53.062414][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   53.062570][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.062697][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.062823][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.062951][   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)
[   53.063088][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.063214][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   53.063338][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   53.063498][   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)
[   53.063626][   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)
[   53.063750][   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)
[   53.063875][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.064001][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   53.064105][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.064234][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.064368][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.064498][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.064624][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.064750][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.064877][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.065000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.065135][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.065261][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.065389][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.065518][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.065642][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.065768][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.065897][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.066029][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.066160][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.066290][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.066418][   T12]  kthread (kernel/kthread.c:436)
[   53.066512][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.066666][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.066791][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.066916][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.067078][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.067203][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.067330][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.069669][   T12] ------------[ cut here ]------------
| [   53.069803][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.070068][   T12] Modules linked in:
| [   53.070465][   T12] Tainted: [W]=WARN
[   53.070563][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.070724][   T12] Workqueue: netns cleanup_net
[   53.070859][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.071033][   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
[   53.071498][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   53.071660][   T12] RAX: 00000000ffffffa6 RBX: ff110000055d9540 RCX: 1ff4000000018ea8
[   53.071853][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055d95fc
[   53.072056][   T12] RBP: ff1100000f331000 R08: 1fe2200000abb2c1 R09: ff11000001aed1d0
[   53.072249][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   53.072446][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.072641][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.072866][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.073035][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.073231][   T12] PKRU: 55555554
[   53.073327][   T12] Call Trace:
[   53.073428][   T12]  <TASK>
[   53.073496][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.073626][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.073725][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.073852][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   53.073983][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   53.074117][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.074247][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.074382][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.074510][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.074637][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.074767][   T12]  netif_change_flags (net/core/dev.c:9820)
[   53.074895][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   53.075028][   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)
[   53.075157][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   53.075254][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   53.075356][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.075489][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.075619][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.075749][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.075878][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.076013][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.076144][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.076275][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.076410][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.076540][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.076667][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.076799][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.076927][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.077068][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.077200][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.077331][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.077480][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.077613][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.077742][   T12]  kthread (kernel/kthread.c:436)
[   53.077839][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.078001][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.078139][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.078271][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.078437][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.078566][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.078696][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.080256][   T12] ------------[ cut here ]------------
| [   53.080385][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.080635][   T12] Modules linked in:
| [   53.081031][   T12] Tainted: [W]=WARN
[   53.081128][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.081287][   T12] Workqueue: netns cleanup_net
[   53.081421][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.081586][   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
[   53.082052][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   53.082214][   T12] RAX: 00000000ffffffa6 RBX: ff110000094a31c0 RCX: 1ff4000000018ea8
[   53.082413][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094a327c
[   53.082604][   T12] RBP: ff1100000f331000 R08: 1fe2200001294651 R09: ff11000001aed1d0
[   53.082798][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   53.082988][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.083184][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.083417][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.083580][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.083773][   T12] PKRU: 55555554
[   53.083869][   T12] Call Trace:
[   53.083965][   T12]  <TASK>
[   53.084039][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.084169][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.084267][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.084399][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   53.084532][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   53.084659][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   53.084787][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.084915][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.085059][   T12]  netif_change_flags (net/core/dev.c:9820)
[   53.085190][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   53.085318][   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)
[   53.085453][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   53.085552][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   53.085650][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.085782][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.085913][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.086050][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.086180][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.086310][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.086448][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.086577][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.086710][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.086840][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.086967][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.087106][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.087234][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.087371][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.087503][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.087633][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.087767][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.087901][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.088035][   T12]  kthread (kernel/kthread.c:436)
[   53.088133][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.088294][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.088434][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.088564][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.088726][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.088855][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.088985][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.091370][   T12] ------------[ cut here ]------------
| [   53.091499][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.091738][   T12] Modules linked in:
| [   53.092119][   T12] Tainted: [W]=WARN
[   53.092211][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.092370][   T12] Workqueue: netns cleanup_net
[   53.092497][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.092657][   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
[   53.093119][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.093277][   T12] RAX: 00000000ffffffa6 RBX: ff110000029e0ac0 RCX: 1ff4000000018eaf
[   53.093469][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029e0b7c
[   53.093654][   T12] RBP: ff1100000f07c000 R08: 1fe220000053c171 R09: ff11000001aed1d0
[   53.093841][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   53.094029][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a0bc000
[   53.094221][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.094443][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.094601][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.094788][   T12] PKRU: 55555554
[   53.094880][   T12] Call Trace:
[   53.094973][   T12]  <TASK>
[   53.095045][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.095172][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.095267][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.095399][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.095523][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.095677][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.095800][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.095927][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.096086][   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)
[   53.096210][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.096371][   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)
[   53.096495][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.096619][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.096775][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.096902][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.097034][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.097160][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.097286][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.097415][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.097540][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.097662][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.097788][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.097911][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.098039][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.098164][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.098287][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.098416][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.098544][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.098669][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.098799][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.098927][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.099055][   T12]  kthread (kernel/kthread.c:436)
[   53.099152][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.099305][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.099434][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.099559][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.099715][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.099841][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.099964][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.101823][   T12] ------------[ cut here ]------------
| [   53.101948][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.102204][   T12] Modules linked in:
| [   53.102587][   T12] Tainted: [W]=WARN
[   53.102681][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.102837][   T12] Workqueue: netns cleanup_net
[   53.102966][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.103297][   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
[   53.103746][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.103904][   T12] RAX: 00000000ffffffa6 RBX: ff110000029e0900 RCX: 1ff4000000018eaf
[   53.104100][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029e09bc
[   53.104284][   T12] RBP: ff1100000a0bc000 R08: 1fe220000053c139 R09: ff11000001aed1d0
[   53.104475][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   53.104660][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f924000
[   53.104845][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.105080][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.105238][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.105430][   T12] PKRU: 55555554
[   53.105524][   T12] Call Trace:
[   53.105617][   T12]  <TASK>
[   53.105683][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.105810][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.105934][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.106036][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.106163][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.106289][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.106447][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.106570][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.106698][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.106854][   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)
[   53.106978][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.107138][   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)
[   53.107261][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.107389][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.107545][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.107674][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.107801][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.107928][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.108058][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.108185][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.108311][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.108439][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.108573][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.108698][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.108822][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.108950][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.109079][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.109207][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.109335][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.109466][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.109596][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.109726][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.109851][   T12]  kthread (kernel/kthread.c:436)
[   53.109945][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.110105][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.110230][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.110359][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.110515][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.110642][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.110769][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.112723][   T12] ------------[ cut here ]------------
| [   53.112851][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.113109][   T12] Modules linked in:
| [   53.113494][   T12] Tainted: [W]=WARN
[   53.113589][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.113746][   T12] Workqueue: netns cleanup_net
[   53.113876][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.114541][   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
[   53.114994][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.115205][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bcc8e40 RCX: 1ff4000000018eaf
[   53.115396][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bcc8efc
[   53.115580][   T12] RBP: ff1100000f924000 R08: 1fe22000017991e1 R09: ff11000001aed1d0
[   53.115764][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   53.115951][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058d9000
[   53.116200][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.116421][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.116577][   T12] CR2: 000055632d2bc190 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.116815][   T12] PKRU: 55555554
[   53.116909][   T12] Call Trace:
[   53.117003][   T12]  <TASK>
[   53.117121][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.117245][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.117374][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.117469][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.117596][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.117723][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.117878][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.118002][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.118181][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.118340][   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)
[   53.118470][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.118626][   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)
[   53.118754][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.118877][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.119089][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.119217][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.119350][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.119476][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.119602][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.119730][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.119857][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.119984][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.120168][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.120295][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.120424][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.120550][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.120675][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.120839][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.120969][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.121151][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.121279][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.121416][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.121540][   T12]  kthread (kernel/kthread.c:436)
[   53.121634][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.121791][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.121915][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.122092][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.122248][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.122385][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.122509][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.131638][   T12] ------------[ cut here ]------------
| [   53.131778][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.132041][   T12] Modules linked in:
| [   53.132441][   T12] Tainted: [W]=WARN
[   53.132536][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.132704][   T12] Workqueue: netns cleanup_net
[   53.132834][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.132996][   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
[   53.133454][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.133610][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cdab8c0 RCX: 1ff4000000018eaf
[   53.133795][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdab97c
[   53.133980][   T12] RBP: ff110000058d9000 R08: 1fe22000019b5731 R09: ff11000001aed1d0
[   53.134177][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.134368][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f331000
[   53.134559][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.134778][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.134942][   T12] CR2: 00007fffcebe9a18 CR3: 0000000010153003 CR4: 0000000000771ef0
[   53.135139][   T12] PKRU: 55555554
[   53.135233][   T12] Call Trace:
[   53.135327][   T12]  <TASK>
[   53.135400][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.135526][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.135650][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.135749][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.135874][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.135998][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.136159][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.136284][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.136414][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.136573][   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)
[   53.136702][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.136860][   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)
[   53.136984][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.137313][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.137478][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.137605][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.137731][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.137857][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.137981][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.138159][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.138286][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.138416][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.138542][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.138666][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.138789][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.138913][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.139162][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.139289][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.139420][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.139547][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.139675][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.139803][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.139926][   T12]  kthread (kernel/kthread.c:436)
[   53.140043][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.140198][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.140325][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.140457][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.140613][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.140743][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.140872][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.149516][   T12] ------------[ cut here ]------------
| [   53.149652][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.149899][   T12] Modules linked in:
| [   53.150306][   T12] Tainted: [W]=WARN
[   53.150413][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.150568][   T12] Workqueue: netns cleanup_net
[   53.150698][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.150860][   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
[   53.151315][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.151477][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cdabe00 RCX: 1ff4000000018eaf
[   53.151663][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdabebc
[   53.151847][   T12] RBP: ff1100000f331000 R08: 1fe22000019b57d9 R09: ff11000001aed1d0
[   53.152039][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.152222][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a88c000
[   53.152413][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.152629][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.152784][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.152970][   T12] PKRU: 55555554
[   53.153072][   T12] Call Trace:
[   53.153164][   T12]  <TASK>
[   53.153229][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.153355][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.153481][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.153580][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.153706][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.153831][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.153987][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.154115][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.154240][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.154406][   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)
[   53.154532][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.154685][   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)
[   53.154806][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.154933][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.155094][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.155220][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.155364][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.155492][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.155618][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.155743][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.155869][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.155992][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.156124][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.156250][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.156382][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.156509][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.156634][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.156759][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.156887][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.157017][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.157143][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.157273][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.157404][   T12]  kthread (kernel/kthread.c:436)
[   53.157497][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.157651][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.157775][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.157901][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.158062][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.158189][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.158312][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.160111][   T12] ------------[ cut here ]------------
| [   53.160236][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.160486][   T12] Modules linked in:
| [   53.160866][   T12] Tainted: [W]=WARN
[   53.160969][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.161151][   T12] Workqueue: netns cleanup_net
[   53.161280][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.161449][   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
[   53.161889][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.162052][   T12] RAX: 00000000ffffffa6 RBX: ff110000055d8200 RCX: 1ff4000000018eaf
[   53.162239][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055d82bc
[   53.162428][   T12] RBP: ff1100000a88c000 R08: 1fe2200000abb059 R09: ff11000001aed1d0
[   53.162611][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.162798][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2c1000
[   53.162986][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.163209][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.163369][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.163557][   T12] PKRU: 55555554
[   53.163651][   T12] Call Trace:
[   53.163744][   T12]  <TASK>
[   53.163808][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.163933][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.164068][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.164163][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.164289][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.164416][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.164571][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.164694][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.164819][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.164974][   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)
[   53.165104][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.165260][   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)
[   53.165388][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.165513][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.165668][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.165795][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.165922][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.166053][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.166180][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.166305][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.166439][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.166564][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.166693][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.166817][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.166940][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.167073][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.167197][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.167322][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.167453][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.167577][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.167706][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.167834][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.167958][   T12]  kthread (kernel/kthread.c:436)
[   53.168058][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.168213][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.168338][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.168469][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.168623][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.168747][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.168870][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.171041][   T12] ------------[ cut here ]------------
| [   53.171166][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.171411][   T12] Modules linked in:
| [   53.171782][   T12] Tainted: [W]=WARN
[   53.171876][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.172036][   T12] Workqueue: netns cleanup_net
[   53.172164][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.172323][   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
[   53.172767][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.172921][   T12] RAX: 00000000ffffffa6 RBX: ff1100000feac580 RCX: 1ff4000000018eaf
[   53.173109][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000feac63c
[   53.173292][   T12] RBP: ff1100000a2c1000 R08: 1fe2200001fd58c9 R09: ff11000001aed1d0
[   53.173479][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.173670][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000950c000
[   53.173855][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.174077][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.174230][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.174418][   T12] PKRU: 55555554
[   53.174509][   T12] Call Trace:
[   53.174600][   T12]  <TASK>
[   53.174665][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.174788][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.174915][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.175018][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.175144][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.175268][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.175425][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.175547][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.175672][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.175829][   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)
[   53.175952][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.176110][   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)
[   53.176232][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.176359][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.176516][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.176641][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.176768][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.176890][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.177018][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.177144][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.177269][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.177398][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.177524][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.177648][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.177773][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.177897][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.178024][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.178150][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.178277][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.178406][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.178535][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.178664][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.178786][   T12]  kthread (kernel/kthread.c:436)
[   53.178880][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.179042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.179166][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.179290][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.179449][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.179576][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.179701][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.182326][   T12] ------------[ cut here ]------------
| [   53.182453][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.182695][   T12] Modules linked in:
| [   53.183072][   T12] Tainted: [W]=WARN
[   53.183166][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.183321][   T12] Workqueue: netns cleanup_net
[   53.183453][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.183612][   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
[   53.184051][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.184207][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b8ac900 RCX: 1ff4000000018eaf
[   53.184404][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8ac9bc
[   53.184586][   T12] RBP: ff1100000950c000 R08: 1fe2200001715939 R09: ff11000001aed1d0
[   53.184781][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.184970][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f571000
[   53.185164][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.185382][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.185536][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.185721][   T12] PKRU: 55555554
[   53.185815][   T12] Call Trace:
[   53.185906][   T12]  <TASK>
[   53.185970][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.186103][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.186226][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.186320][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.186446][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.186569][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.186723][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.186845][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.186969][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.187136][   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)
[   53.187260][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.187413][   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)
[   53.187535][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.187658][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.187815][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.187941][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.188074][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.188197][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.188327][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.188456][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.188580][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.188703][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.188830][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.188956][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.189083][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.189207][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.189329][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.189458][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.189586][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.189709][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.189837][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.189964][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.190099][   T12]  kthread (kernel/kthread.c:436)
[   53.190191][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.190353][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.190480][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.190604][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.190757][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.190879][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.191002][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.193974][   T12] ------------[ cut here ]------------
| [   53.194107][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.194354][   T12] Modules linked in:
| [   53.194813][   T12] Tainted: [W]=WARN
[   53.194907][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.195070][   T12] Workqueue: netns cleanup_net
[   53.195197][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.195362][   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
[   53.195890][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.196053][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d142c80 RCX: 1ff4000000018eaf
[   53.196319][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d142d3c
[   53.196516][   T12] RBP: ff1100000f571000 R08: 1fe2200001a285a9 R09: ff11000001aed1d0
[   53.196701][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.196966][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   53.197159][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.197543][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.197699][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.197886][   T12] PKRU: 55555554
[   53.197979][   T12] Call Trace:
[   53.198156][   T12]  <TASK>
[   53.198221][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.198352][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.198479][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.198574][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.198778][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.198904][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.199063][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.199264][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.199396][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.199556][   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)
[   53.199681][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.199914][   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)
[   53.200044][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.200169][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.200325][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.200532][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.200658][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.200782][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.200906][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.201115][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.201239][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.201369][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.201496][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.201699][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.201826][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.201951][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.202158][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.202389][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.202523][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.202647][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.202776][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.202986][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.203113][   T12]  kthread (kernel/kthread.c:436)
[   53.203207][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.203368][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.203571][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.203695][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.203849][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.204057][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.204183][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.206808][   T12] ------------[ cut here ]------------
| [   53.206930][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.207251][   T12] Modules linked in:
| [   53.207767][   T12] Tainted: [W]=WARN
[   53.207858][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.208471][   T12] Workqueue: netns cleanup_net
[   53.208597][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.208752][   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
[   53.209232][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.209388][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1438c0 RCX: 1ff4000000018ed5
[   53.209566][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d14397c
[   53.209743][   T12] RBP: ff1100000f07c000 R08: 1fe2200001a28731 R09: ff11000001aed1d0
[   53.209921][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.210150][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.210333][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.210544][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.210740][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.210919][   T12] PKRU: 55555554
[   53.211059][   T12] Call Trace:
[   53.211149][   T12]  <TASK>
[   53.211212][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.211368][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.211516][   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)
[   53.211636][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.211755][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.211908][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.212082][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.212205][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.212324][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.212453][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.212575][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.212693][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.212815][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.212937][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.213106][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.213227][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.213350][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.213473][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.213596][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.213715][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.213838][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.213963][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.214131][   T12]  kthread (kernel/kthread.c:436)
[   53.214222][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.214377][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.214498][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.214618][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.214769][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.214890][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.215058][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.225604][   T12] ------------[ cut here ]------------
| [   53.225742][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.225986][   T12] Modules linked in:
| [   53.226416][   T12] Tainted: [W]=WARN
[   53.226506][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.226657][   T12] Workqueue: netns cleanup_net
[   53.226790][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.226951][   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
[   53.227384][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.227534][   T12] RAX: 00000000ffffffa6 RBX: ff110000055d8040 RCX: 1ff4000000018ed5
[   53.227714][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000055d80fc
[   53.227893][   T12] RBP: ff1100000a0bc000 R08: 1fe2200000abb021 R09: ff11000001aed1d0
[   53.228109][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.228287][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.228474][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.228683][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.228833][   T12] CR2: 00007fdd8f4fc580 CR3: 000000000f453006 CR4: 0000000000771ef0
[   53.229018][   T12] PKRU: 55555554
[   53.229107][   T12] Call Trace:
[   53.229196][   T12]  <TASK>
[   53.229259][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.229417][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.229570][   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)
[   53.229689][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.229807][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.229960][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.230087][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.230206][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.230329][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.230457][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.230579][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.230698][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.230821][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.230945][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.231072][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.231194][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.231312][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.231440][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.231564][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.231682][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.231806][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.231928][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.232050][   T12]  kthread (kernel/kthread.c:436)
[   53.232141][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.232290][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.232414][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.232534][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.232684][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.232804][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.232923][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.235266][   T12] ------------[ cut here ]------------
| [   53.235398][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.235631][   T12] Modules linked in:
| [   53.235991][   T12] Tainted: [W]=WARN
[   53.236088][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.236235][   T12] Workqueue: netns cleanup_net
[   53.236363][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.236516][   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
[   53.236937][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.237092][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd89a80 RCX: 1ff4000000018ed5
[   53.237267][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd89b3c
[   53.237455][   T12] RBP: ff1100000f924000 R08: 1fe22000019b1369 R09: ff11000001aed1d0
[   53.237630][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.237804][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.237980][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.238193][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.238340][   T12] CR2: 00007fdd8f4fc580 CR3: 000000000f453006 CR4: 0000000000771ef0
[   53.238531][   T12] PKRU: 55555554
[   53.238620][   T12] Call Trace:
[   53.238708][   T12]  <TASK>
[   53.238770][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.238921][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.239076][   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)
[   53.239196][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.239314][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.239473][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.239595][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.239715][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.239835][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.239958][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.240081][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.240199][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.240331][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.240460][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.240578][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.240698][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.240817][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.240937][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.241065][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.241182][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.241309][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.241439][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.241556][   T12]  kthread (kernel/kthread.c:436)
[   53.241646][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.241794][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.241912][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.242037][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.242185][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.242304][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.242429][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.245004][   T12] ------------[ cut here ]------------
| [   53.245152][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.245396][   T12] Modules linked in:
| [   53.245760][   T12] Tainted: [W]=WARN
[   53.245848][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.245995][   T12] Workqueue: netns cleanup_net
[   53.246133][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.246286][   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
[   53.246722][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.246870][   T12] RAX: 00000000ffffffa6 RBX: ff11000002630040 RCX: 1ff4000000018ed5
[   53.247053][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000026300fc
[   53.247231][   T12] RBP: ff110000058d9000 R08: 1fe22000004c6021 R09: ff11000001aed1d0
[   53.247414][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.247589][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.247763][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.247969][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.248124][   T12] CR2: 00007fdd8f4fc580 CR3: 000000000f453006 CR4: 0000000000771ef0
[   53.248300][   T12] PKRU: 55555554
[   53.248392][   T12] Call Trace:
[   53.248480][   T12]  <TASK>
[   53.248542][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.248691][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.248845][   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)
[   53.248963][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.249086][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.249238][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.249362][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.249480][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.249598][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.249719][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.249839][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.249955][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.250080][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.250198][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.250318][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.250442][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.250558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.250685][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.250808][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.250924][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.251052][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.251174][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.251292][   T12]  kthread (kernel/kthread.c:436)
[   53.251384][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.251531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.251648][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.251767][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.251914][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.252046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.252167][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.254624][   T12] ------------[ cut here ]------------
| [   53.254747][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.254977][   T12] Modules linked in:
| [   53.255794][   T12] Tainted: [W]=WARN
[   53.255887][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.256085][   T12] Workqueue: netns cleanup_net
[   53.256207][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.256371][   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
[   53.256792][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.256940][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1bc900 RCX: 1ff4000000018ed5
[   53.257163][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1bc9bc
[   53.257393][   T12] RBP: ff1100000f331000 R08: 1fe2200001e37939 R09: ff11000001aed1d0
[   53.257568][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.257742][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.257918][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.258173][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.258320][   T12] CR2: 00007fdd8f4fc580 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.258499][   T12] PKRU: 55555554
[   53.258585][   T12] Call Trace:
[   53.258673][   T12]  <TASK>
[   53.258734][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.258883][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.259080][   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)
[   53.259197][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.259319][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.259477][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.259597][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.259716][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.259834][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.259956][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.260120][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.260236][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.260360][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.260482][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.260599][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.260718][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.260835][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.260955][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.261123][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.261241][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.261373][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.261494][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.261611][   T12]  kthread (kernel/kthread.c:436)
[   53.261700][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.261848][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.261965][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.262132][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.262284][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.262406][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.262523][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.264950][   T12] ------------[ cut here ]------------
| [   53.265092][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.265327][   T12] Modules linked in:
| [   53.265693][   T12] Tainted: [W]=WARN
[   53.265782][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.265932][   T12] Workqueue: netns cleanup_net
[   53.266064][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.266220][   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
[   53.266648][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.266800][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1bd380 RCX: 1ff4000000018ed5
[   53.266976][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1bd43c
[   53.267164][   T12] RBP: ff1100000a88c000 R08: 1fe2200001e37a89 R09: ff11000001aed1d0
[   53.267345][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.267523][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.267700][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.267908][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.268065][   T12] CR2: 00007fd794285574 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.268249][   T12] PKRU: 55555554
[   53.268341][   T12] Call Trace:
[   53.268433][   T12]  <TASK>
[   53.268495][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.268646][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.268793][   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)
[   53.268911][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.269037][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.269188][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.269309][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.269433][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.269551][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.269670][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.269790][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.269906][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.270034][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.270157][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.270274][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.270396][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.270513][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.270632][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.270755][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.270872][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.270996][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.271130][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.271248][   T12]  kthread (kernel/kthread.c:436)
[   53.271337][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.271487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.271606][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.271724][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.271879][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.272000][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.272130][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.274761][   T12] ------------[ cut here ]------------
| [   53.274884][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.275128][   T12] Modules linked in:
| [   53.275492][   T12] Tainted: [W]=WARN
[   53.275580][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.275730][   T12] Workqueue: netns cleanup_net
[   53.275853][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.276012][   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
[   53.276439][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.276591][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd883c0 RCX: 1ff4000000018ed5
[   53.276767][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd8847c
[   53.276943][   T12] RBP: ff1100000a2c1000 R08: 1fe22000019b1091 R09: ff11000001aed1d0
[   53.277129][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.277311][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.277493][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.277699][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.277846][   T12] CR2: 00007fd794285574 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.278029][   T12] PKRU: 55555554
[   53.278120][   T12] Call Trace:
[   53.278207][   T12]  <TASK>
[   53.278269][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.278436][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.278587][   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)
[   53.278706][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.278824][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.278978][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.279110][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.279230][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.279358][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.279478][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.279599][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.279718][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.279841][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.279961][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.280088][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.280209][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.280329][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.280454][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.280578][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.280698][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.280823][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.280949][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.281075][   T12]  kthread (kernel/kthread.c:436)
[   53.281166][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.281314][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.281440][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.281561][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.281709][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.281831][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.281951][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.284300][   T12] ------------[ cut here ]------------
| [   53.284428][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.284677][   T12] Modules linked in:
| [   53.285051][   T12] Tainted: [W]=WARN
[   53.285142][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.285293][   T12] Workqueue: netns cleanup_net
[   53.285422][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.285578][   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
[   53.286016][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.286167][   T12] RAX: 00000000ffffffa6 RBX: ff11000011936580 RCX: 1ff4000000018ed5
[   53.286347][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001193663c
[   53.286529][   T12] RBP: ff1100000950c000 R08: 1fe2200002326cc9 R09: ff11000001aed1d0
[   53.286706][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.286884][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.287076][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.287290][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.287443][   T12] CR2: 00007fd794285574 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.287623][   T12] PKRU: 55555554
[   53.287714][   T12] Call Trace:
[   53.287804][   T12]  <TASK>
[   53.287866][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.288025][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.288176][   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)
[   53.288297][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.288422][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.288577][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.288699][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.288820][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.288941][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.289072][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.289194][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.289315][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.289443][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.289566][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.289686][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.289809][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.289945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.290074][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.290199][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.290320][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.290461][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.290586][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.290706][   T12]  kthread (kernel/kthread.c:436)
[   53.290797][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.290950][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.291078][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.291198][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.291350][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.291471][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.291593][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.294385][   T12] ------------[ cut here ]------------
| [   53.294505][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.294738][   T12] Modules linked in:
| [   53.295212][   T12] Tainted: [W]=WARN
[   53.295305][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.295460][   T12] Workqueue: netns cleanup_net
[   53.295585][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.295741][   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
[   53.296286][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.296453][   T12] RAX: 00000000ffffffa6 RBX: ff11000011937700 RCX: 1ff4000000018ed5
[   53.296632][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000119377bc
[   53.296812][   T12] RBP: ff1100000f571000 R08: 1fe2200002326ef9 R09: ff11000001aed1d0
[   53.296992][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.297282][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.297470][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.297682][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.297833][   T12] CR2: 00007fd794285574 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   53.298112][   T12] PKRU: 55555554
[   53.298203][   T12] Call Trace:
[   53.298392][   T12]  <TASK>
[   53.298456][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.298616][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.298771][   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)
[   53.298892][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.299104][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.299261][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.299386][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.299507][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.299628][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.299752][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.299875][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.299995][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.300215][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.300337][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.300462][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.300585][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.300708][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.300833][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.300959][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.301183][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.301309][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.301442][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.301565][   T12]  kthread (kernel/kthread.c:436)
[   53.301662][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.301820][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.301942][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.302145][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.302297][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.302426][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.302549][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.338051][   T12] ------------[ cut here ]------------
| [   53.338182][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.338423][   T12] Modules linked in:
| [   53.338779][   T12] Tainted: [W]=WARN
[   53.338868][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.339038][   T12] Workqueue: netns cleanup_net
[   53.339160][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.339310][   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
[   53.339726][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.339878][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd89000 RCX: 1ff4000000018eed
[   53.340063][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd890bc
[   53.340237][   T12] RBP: ff1100000ff94000 R08: 1fe22000019b1219 R09: ff11000001aed1d0
[   53.340419][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.340591][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.340764][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.340968][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.341124][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.341299][   T12] PKRU: 55555554
[   53.341391][   T12] Call Trace:
[   53.341478][   T12]  <TASK>
[   53.341538][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.341686][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.341829][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.341945][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.342071][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.342186][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.342305][   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)
[   53.342467][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.342587][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.342703][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.342825][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.342942][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.343064][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.343182][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.343298][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.343419][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.343539][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.343654][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.343782][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.343901][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.344024][   T12]  kthread (kernel/kthread.c:436)
[   53.344111][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.344260][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.344378][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.344496][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.344641][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.344757][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.344874][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.346998][   T12] ------------[ cut here ]------------
| [   53.347123][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.347351][   T12] Modules linked in:
| [   53.347706][   T12] Tainted: [W]=WARN
[   53.347794][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.347941][   T12] Workqueue: netns cleanup_net
[   53.348067][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.348215][   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
[   53.348662][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.348810][   T12] RAX: 00000000ffffffa6 RBX: ff11000002631000 RCX: 1ff4000000018eed
[   53.348987][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000026310bc
[   53.349167][   T12] RBP: ff1100000f711000 R08: 1fe22000004c6219 R09: ff11000001aed1d0
[   53.349345][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.349524][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.349698][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.349900][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.350049][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.350226][   T12] PKRU: 55555554
[   53.350312][   T12] Call Trace:
[   53.350405][   T12]  <TASK>
[   53.350465][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.350614][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.350758][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.350873][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.350994][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.351116][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.351235][   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)
[   53.351360][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.351478][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.351594][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.351712][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.351828][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.351942][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.352067][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.352182][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.352299][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.352423][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.352542][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.352663][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.352783][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.352899][   T12]  kthread (kernel/kthread.c:436)
[   53.352988][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.353136][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.353256][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.353382][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.353526][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.353641][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.353758][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.355934][   T12] ------------[ cut here ]------------
| [   53.356054][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.356281][   T12] Modules linked in:
| [   53.356635][   T12] Tainted: [W]=WARN
[   53.356721][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.356867][   T12] Workqueue: netns cleanup_net
[   53.356987][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.357142][   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
[   53.357563][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.357708][   T12] RAX: 00000000ffffffa6 RBX: ff11000002631e00 RCX: 1ff4000000018eed
[   53.357882][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002631ebc
[   53.358062][   T12] RBP: ff1100000f329000 R08: 1fe22000004c63d9 R09: ff11000001aed1d0
[   53.358235][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.358411][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.358587][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.358790][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.358934][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.359119][   T12] PKRU: 55555554
[   53.359205][   T12] Call Trace:
[   53.359292][   T12]  <TASK>
[   53.359356][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.359508][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.359652][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.359769][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.359887][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.360002][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.360125][   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)
[   53.360243][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.360367][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.360483][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.360602][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.360720][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.360835][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.360954][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.361076][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.361194][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.361317][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.361438][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.361558][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.361678][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.361794][   T12]  kthread (kernel/kthread.c:436)
[   53.361882][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.362029][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.362146][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.362261][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.362409][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.362527][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.362642][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.364644][   T12] ------------[ cut here ]------------
| [   53.364762][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.364988][   T12] Modules linked in:
| [   53.365353][   T12] Tainted: [W]=WARN
[   53.365442][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.365591][   T12] Workqueue: netns cleanup_net
[   53.365711][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.365864][   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
[   53.366286][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.366440][   T12] RAX: 00000000ffffffa6 RBX: ff11000004f56200 RCX: 1ff4000000018eed
[   53.366614][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004f562bc
[   53.366789][   T12] RBP: ff1100000f151000 R08: 1fe22000009eac59 R09: ff11000001aed1d0
[   53.366963][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.367143][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.367317][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.367528][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.367675][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.367850][   T12] PKRU: 55555554
[   53.367938][   T12] Call Trace:
[   53.368030][   T12]  <TASK>
[   53.368091][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.368241][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.368393][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.368510][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.368629][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.368745][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.368866][   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)
[   53.368985][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.369107][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.369223][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.369348][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.369466][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.369584][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.369705][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.369825][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.369943][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.370073][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.370192][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.370314][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.370439][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.370554][   T12]  kthread (kernel/kthread.c:436)
[   53.370641][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.370786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.370902][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.371025][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.371172][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.371289][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.371411][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.373329][   T12] ------------[ cut here ]------------
| [   53.373482][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.373717][   T12] Modules linked in:
| [   53.374428][   T12] Tainted: [W]=WARN
[   53.374526][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.374670][   T12] Workqueue: netns cleanup_net
[   53.374803][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.374961][   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
[   53.375441][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.375586][   T12] RAX: 00000000ffffffa6 RBX: ff11000004f56580 RCX: 1ff4000000018eed
[   53.375759][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004f5663c
[   53.375942][   T12] RBP: ff1100000e179000 R08: 1fe22000009eacc9 R09: ff11000001aed1d0
[   53.376503][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.376731][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.376906][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.377154][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.377303][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.377482][   T12] PKRU: 55555554
[   53.377568][   T12] Call Trace:
[   53.377652][   T12]  <TASK>
[   53.377713][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.377862][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.378049][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.378193][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.378313][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.378433][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.378549][   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)
[   53.378665][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.378782][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.378897][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.379063][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.379181][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.379301][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.379425][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.379541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.379659][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.379778][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.379892][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.380056][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.380178][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.380294][   T12]  kthread (kernel/kthread.c:436)
[   53.380386][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.380533][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.380677][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.380795][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.380942][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.381108][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.381224][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.397025][   T12] ------------[ cut here ]------------
| [   53.397174][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.397430][   T12] Modules linked in:
| [   53.397810][   T12] Tainted: [W]=WARN
[   53.397926][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.398097][   T12] Workqueue: netns cleanup_net
[   53.398225][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.398393][   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
[   53.398858][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   53.399026][   T12] RAX: 00000000ffffffa6 RBX: ff11000004f56740 RCX: 1ff4000000018eae
[   53.399212][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004f567fc
[   53.399401][   T12] RBP: ff1100000f20c000 R08: 1fe22000009ead01 R09: ff11000001aed1d0
[   53.399590][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   53.399774][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   53.399961][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.400202][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.400392][   T12] CR2: 000055632d2bc368 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.400577][   T12] PKRU: 55555554
[   53.400670][   T12] Call Trace:
[   53.400764][   T12]  <TASK>
[   53.400829][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.400961][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   53.401092][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   53.401223][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   53.401353][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.401478][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   53.401631][   T12]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   53.401756][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   53.401881][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.402004][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.402133][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.402257][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   53.402387][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   53.402540][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.402666][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   53.402762][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.402888][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.403020][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.403145][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.403269][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.403395][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.403520][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.403646][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.403770][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.403897][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.404079][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.404202][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.404327][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.404454][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.404579][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.404706][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.404831][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.404961][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.405142][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.405265][   T12]  kthread (kernel/kthread.c:436)
[   53.405364][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.405518][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.405643][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.405769][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.405924][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.406111][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.406289][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.408868][   T12] ------------[ cut here ]------------
| [   53.409016][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.409276][   T12] Modules linked in:
| [   53.409678][   T12] Tainted: [W]=WARN
[   53.409776][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.409935][   T12] Workqueue: netns cleanup_net
[   53.410078][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.410246][   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
[   53.410712][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   53.410873][   T12] RAX: 00000000ffffffa6 RBX: ff11000004f57c40 RCX: 1ff4000000018ea8
[   53.411079][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004f57cfc
[   53.411269][   T12] RBP: ff1100000f20c000 R08: 1fe22000009eafa1 R09: ff11000001aed1d0
[   53.411472][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   53.411662][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.411855][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.412086][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.412249][   T12] CR2: 00007fffcebe9a18 CR3: 0000000010153002 CR4: 0000000000771ef0
[   53.412447][   T12] PKRU: 55555554
[   53.412543][   T12] Call Trace:
[   53.412639][   T12]  <TASK>
[   53.412706][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.412836][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.412934][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.413094][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   53.413225][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   53.413357][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.413486][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.413619][   T12]  netif_change_flags (net/core/dev.c:9820)
[   53.413749][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   53.413879][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.414014][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   53.414114][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   53.414213][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.414348][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.414479][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.414609][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.414738][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.414867][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.415000][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.415136][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.415263][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.415400][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.415530][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.415657][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.415787][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.415915][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.416053][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.416186][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.416313][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.416452][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.416585][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.416713][   T12]  kthread (kernel/kthread.c:436)
[   53.416810][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.416971][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.417107][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.417236][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.417401][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.417530][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.417658][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.425184][   T12] ------------[ cut here ]------------
| [   53.425312][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.425579][   T12] Modules linked in:
| [   53.425968][   T12] Tainted: [W]=WARN
[   53.426074][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.426234][   T12] Workqueue: netns cleanup_net
[   53.426369][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.426534][   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
[   53.426992][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   53.427160][   T12] RAX: 00000000ffffffa6 RBX: ff11000002630200 RCX: 1ff4000000018ea8
[   53.427354][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000026302bc
[   53.427544][   T12] RBP: ff1100000f20c000 R08: 1fe22000004c6059 R09: ff11000001aed1d0
[   53.427753][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   53.427946][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.428151][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.428382][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.428543][   T12] CR2: 00007fffcebe9a18 CR3: 0000000010153002 CR4: 0000000000771ef0
[   53.428735][   T12] PKRU: 55555554
[   53.428830][   T12] Call Trace:
[   53.428925][   T12]  <TASK>
[   53.428992][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.429128][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.429226][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.429358][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   53.429489][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   53.429617][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   53.429747][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.429876][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.430006][   T12]  netif_change_flags (net/core/dev.c:9820)
[   53.430141][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   53.430269][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.430418][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   53.430516][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   53.430612][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.430741][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.430872][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.431001][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.431137][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.431266][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.431401][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.431532][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.431660][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.431791][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.431920][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.432057][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.432186][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.432315][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.432451][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.432582][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.432709][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.432842][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.432975][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.433113][   T12]  kthread (kernel/kthread.c:436)
[   53.433210][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.433372][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.433499][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.433627][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.433786][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.433912][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.434048][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.436552][   T12] ------------[ cut here ]------------
| [   53.436678][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.436922][   T12] Modules linked in:
| [   53.437303][   T12] Tainted: [W]=WARN
[   53.437402][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.437556][   T12] Workqueue: netns cleanup_net
[   53.437685][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.437847][   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
[   53.438309][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   53.438470][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f79e900 RCX: 1ff4000000018eae
[   53.438654][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f79e9bc
[   53.438839][   T12] RBP: ff110000077d9000 R08: 1fe2200001ef3d39 R09: ff11000001aed1d0
[   53.439030][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   53.439214][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   53.439406][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.439623][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.439779][   T12] CR2: 00007fffcebe9a18 CR3: 0000000010153002 CR4: 0000000000771ef0
[   53.439965][   T12] PKRU: 55555554
[   53.440063][   T12] Call Trace:
[   53.440155][   T12]  <TASK>
[   53.440219][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.440348][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   53.440477][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   53.440603][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   53.440727][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   53.440880][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.441004][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.441134][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.441259][   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)
[   53.441387][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.441511][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   53.441634][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   53.441786][   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)
[   53.441909][   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)
[   53.442038][   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)
[   53.442163][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.442286][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   53.442385][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.442511][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.442635][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.442758][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.442882][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.443013][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.443139][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.443261][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.443392][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.443516][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.443638][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.443762][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.443885][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.444017][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.444144][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.444267][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.444401][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.444529][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.444651][   T12]  kthread (kernel/kthread.c:436)
[   53.444744][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.444898][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.445025][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.445150][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.445304][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.445434][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.445558][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.447955][   T12] ------------[ cut here ]------------
| [   53.448785][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.449089][   T12] Modules linked in:
| [   53.449482][   T12] Tainted: [W]=WARN
[   53.449579][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.449739][   T12] Workqueue: netns cleanup_net
[   53.449871][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.450094][   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
[   53.450555][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   53.450715][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e0ce040 RCX: 1ff4000000018ea8
[   53.450905][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0ce0fc
[   53.451152][   T12] RBP: ff110000077d9000 R08: 1fe2200001c19c21 R09: ff11000001aed1d0
[   53.451347][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   53.451537][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.451730][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.451955][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.452167][   T12] CR2: 00007fffcebe9a18 CR3: 0000000010153002 CR4: 0000000000771ef0
[   53.452361][   T12] PKRU: 55555554
[   53.452457][   T12] Call Trace:
[   53.452552][   T12]  <TASK>
[   53.452618][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.452747][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.452845][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.452972][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   53.453155][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   53.453282][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   53.453413][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.453539][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.453667][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.453795][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.453925][   T12]  netif_change_flags (net/core/dev.c:9820)
[   53.454106][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   53.454233][   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)
[   53.454365][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   53.454462][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   53.454559][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.454691][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.454821][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.454951][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.455136][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.455264][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.455400][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.455527][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.455657][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.455786][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.455913][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.456095][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.456223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.456358][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.456489][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.456617][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.456750][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.456883][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.457065][   T12]  kthread (kernel/kthread.c:436)
[   53.457161][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.457321][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.457453][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.457581][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.457741][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.457868][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.457997][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.459676][   T12] ------------[ cut here ]------------
| [   53.459809][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.460066][   T12] Modules linked in:
| [   53.460458][   T12] Tainted: [W]=WARN
[   53.460554][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.460716][   T12] Workqueue: netns cleanup_net
[   53.460848][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.461021][   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
[   53.461479][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   53.461640][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e0ce3c0 RCX: 1ff4000000018ea8
[   53.461830][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0ce47c
[   53.462023][   T12] RBP: ff110000077d9000 R08: 1fe2200001c19c91 R09: ff11000001aed1d0
[   53.462222][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   53.462417][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.462608][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.462833][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.462992][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.463195][   T12] PKRU: 55555554
[   53.463290][   T12] Call Trace:
[   53.463388][   T12]  <TASK>
[   53.463455][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.463584][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.463681][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   53.463808][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   53.463937][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   53.464072][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   53.464202][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   53.464331][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   53.464465][   T12]  netif_change_flags (net/core/dev.c:9820)
[   53.464595][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   53.464722][   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)
[   53.464851][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   53.464950][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   53.465054][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   53.465185][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   53.465319][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.465449][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.465576][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.465704][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.465832][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.465958][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.466096][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.466224][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.466355][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.466484][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.466610][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.466738][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.466869][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.466997][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.467138][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.467270][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.467401][   T12]  kthread (kernel/kthread.c:436)
[   53.467496][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.467655][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.467783][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.467912][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.468078][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.468204][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.468331][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.470517][   T12] ------------[ cut here ]------------
| [   53.470639][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.470878][   T12] Modules linked in:
| [   53.471258][   T12] Tainted: [W]=WARN
[   53.471353][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.471507][   T12] Workqueue: netns cleanup_net
[   53.471634][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.471793][   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
[   53.472234][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.472395][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e0cf1c0 RCX: 1ff4000000018eaf
[   53.472578][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0cf27c
[   53.472760][   T12] RBP: ff110000020bc000 R08: 1fe2200001c19e51 R09: ff11000001aed1d0
[   53.472942][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.473194][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f20c000
[   53.473389][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.473602][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.473756][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.473940][   T12] PKRU: 55555554
[   53.474038][   T12] Call Trace:
[   53.474131][   T12]  <TASK>
[   53.474194][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.474318][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.474416][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.474540][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.474663][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.474813][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.474935][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.475066][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.475221][   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)
[   53.475350][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.475502][   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)
[   53.475624][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.475745][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.475899][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.476032][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.476157][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.476281][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.476407][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.476533][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.476657][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.476778][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.476906][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.477036][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.477159][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.477283][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.477412][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.477536][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.477663][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.477787][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.477915][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.478049][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.478171][   T12]  kthread (kernel/kthread.c:436)
[   53.478265][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.478423][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.478546][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.478670][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.478826][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.478949][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.479078][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.480854][   T12] ------------[ cut here ]------------
| [   53.480975][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.481225][   T12] Modules linked in:
| [   53.481600][   T12] Tainted: [W]=WARN
[   53.481698][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.481851][   T12] Workqueue: netns cleanup_net
[   53.481978][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.482148][   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
[   53.482593][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.482748][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e0cf8c0 RCX: 1ff4000000018eaf
[   53.482930][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e0cf97c
[   53.483118][   T12] RBP: ff1100000f20c000 R08: 1fe2200001c19f31 R09: ff11000001aed1d0
[   53.483301][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.483489][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6d9000
[   53.483672][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.483886][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.484046][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.484234][   T12] PKRU: 55555554
[   53.484325][   T12] Call Trace:
[   53.484422][   T12]  <TASK>
[   53.484491][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.484613][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.484737][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.484833][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.484957][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.485086][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.485237][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.485366][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.485490][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.485644][   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)
[   53.485768][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.485921][   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)
[   53.486049][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.486174][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.486328][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.486458][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.486582][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.486706][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.486840][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.486965][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.487106][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.487229][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.487356][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.487480][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.487607][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.487737][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.487866][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.487991][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.488123][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.488245][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.488378][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.488505][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.488632][   T12]  kthread (kernel/kthread.c:436)
[   53.488725][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.488880][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.489004][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.489134][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.489289][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.489419][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.489543][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.491363][   T12] ------------[ cut here ]------------
| [   53.491485][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.491726][   T12] Modules linked in:
| [   53.492581][   T12] Tainted: [W]=WARN
[   53.492676][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.492830][   T12] Workqueue: netns cleanup_net
[   53.493014][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.493174][   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
[   53.493617][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.493771][   T12] RAX: 00000000ffffffa6 RBX: ff110000096443c0 RCX: 1ff4000000018eaf
[   53.493953][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000964447c
[   53.494186][   T12] RBP: ff1100000e6d9000 R08: 1fe22000012c8891 R09: ff11000001aed1d0
[   53.494377][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.494560][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f4a9000
[   53.494747][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.494961][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.495169][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.495359][   T12] PKRU: 55555554
[   53.495451][   T12] Call Trace:
[   53.495543][   T12]  <TASK>
[   53.495607][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.495731][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.495855][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.495949][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.496126][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.496250][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.496405][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.496529][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.496654][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.496810][   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)
[   53.496936][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.497143][   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)
[   53.497266][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.497394][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.497549][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.497675][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.497799][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.497924][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.498099][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.498223][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.498351][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.498473][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.498600][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.498723][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.498845][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.498972][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.499146][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.499271][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.499403][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.499526][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.499653][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.499782][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.499905][   T12]  kthread (kernel/kthread.c:436)
[   53.500001][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.500207][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.500332][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.500461][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.500614][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.500746][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.500870][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.503199][   T12] ------------[ cut here ]------------
| [   53.503334][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.503591][   T12] Modules linked in:
| [   53.503972][   T12] Tainted: [W]=WARN
[   53.504075][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.504230][   T12] Workqueue: netns cleanup_net
[   53.504369][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.504532][   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
[   53.504972][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.505136][   T12] RAX: 00000000ffffffa6 RBX: ff11000009645c40 RCX: 1ff4000000018eaf
[   53.505320][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009645cfc
[   53.505509][   T12] RBP: ff1100000f4a9000 R08: 1fe22000012c8ba1 R09: ff11000001aed1d0
[   53.505694][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   53.505877][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000077d9000
[   53.506079][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.506295][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.506454][   T12] CR2: 000055632d2bc368 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.506644][   T12] PKRU: 55555554
[   53.506736][   T12] Call Trace:
[   53.506828][   T12]  <TASK>
[   53.506892][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.507021][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.507150][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.507246][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.507376][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.507500][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.507657][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.507779][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.507903][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.508066][   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)
[   53.508191][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.508348][   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)
[   53.508476][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.508599][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.508756][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.508882][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.509013][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.509137][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.509262][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.509390][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.509516][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.509639][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.509765][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.509888][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.510023][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.510149][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.510271][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.510399][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.510526][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.510649][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.510777][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.510904][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.511034][   T12]  kthread (kernel/kthread.c:436)
[   53.511128][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.511281][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.511408][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.511532][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.511686][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.511810][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.511946][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.519952][   T12] ------------[ cut here ]------------
| [   53.520699][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.520945][   T12] Modules linked in:
| [   53.521376][   T12] Tainted: [W]=WARN
[   53.521469][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.521622][   T12] Workqueue: netns cleanup_net
[   53.521749][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.521910][   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
[   53.522403][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.522558][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f4f8ac0 RCX: 1ff4000000018eaf
[   53.522741][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f4f8b7c
[   53.522923][   T12] RBP: ff110000077d9000 R08: 1fe2200001e9f171 R09: ff11000001aed1d0
[   53.523157][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   53.523338][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2d4000
[   53.523524][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.523738][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.523892][   T12] CR2: 000055632d2bc368 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.524126][   T12] PKRU: 55555554
[   53.524217][   T12] Call Trace:
[   53.524308][   T12]  <TASK>
[   53.524375][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.524500][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.524623][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.524715][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.524839][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.524961][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.525165][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.525286][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.525416][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.525578][   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)
[   53.525705][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.525862][   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)
[   53.525989][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.526160][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.526314][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.526442][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.526567][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.526690][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.526812][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.526936][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.527113][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.527236][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.527368][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.527490][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.527611][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.527734][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.527857][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.527986][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.528164][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.528285][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.528423][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.528550][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.528672][   T12]  kthread (kernel/kthread.c:436)
[   53.528764][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.528925][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.529095][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.529217][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.529376][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.529499][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.529623][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.531446][   T12] ------------[ cut here ]------------
| [   53.531577][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.531820][   T12] Modules linked in:
| [   53.532200][   T12] Tainted: [W]=WARN
[   53.532295][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.532453][   T12] Workqueue: netns cleanup_net
[   53.532581][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.532739][   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
[   53.533180][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.533333][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f4f9540 RCX: 1ff4000000018eaf
[   53.533522][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f4f95fc
[   53.533705][   T12] RBP: ff1100000a2d4000 R08: 1fe2200001e9f2c1 R09: ff11000001aed1d0
[   53.533888][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.534088][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000119ec000
[   53.534272][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.534503][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.534659][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.534844][   T12] PKRU: 55555554
[   53.534935][   T12] Call Trace:
[   53.535032][   T12]  <TASK>
[   53.535096][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.535223][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.535349][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.535444][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.535569][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.535695][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.535846][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.535968][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.536100][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.536256][   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)
[   53.536383][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.536535][   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)
[   53.536659][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.536780][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.536937][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.537071][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.537196][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.537320][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.537445][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.537573][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.537702][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.537829][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.537960][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.538090][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.538212][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.538336][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.538461][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.538587][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.538713][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.538840][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.538968][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.539103][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.539227][   T12]  kthread (kernel/kthread.c:436)
[   53.539319][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.539478][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.539609][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.539732][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.539884][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.540012][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.540136][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.542389][   T12] ------------[ cut here ]------------
| [   53.542512][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.542753][   T12] Modules linked in:
| [   53.543134][   T12] Tainted: [W]=WARN
[   53.543227][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.543383][   T12] Workqueue: netns cleanup_net
[   53.543511][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.543669][   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
[   53.544114][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.544270][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cacce40 RCX: 1ff4000000018eaf
[   53.544460][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caccefc
[   53.544645][   T12] RBP: ff110000119ec000 R08: 1fe22000019599e1 R09: ff11000001aed1d0
[   53.544827][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.545016][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   53.545201][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.545418][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.545572][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.545756][   T12] PKRU: 55555554
[   53.545848][   T12] Call Trace:
[   53.545946][   T12]  <TASK>
[   53.546014][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.546139][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.546264][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.546362][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.546485][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.546609][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.546760][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   53.546881][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   53.547004][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.547166][   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)
[   53.547298][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.547453][   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)
[   53.547576][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.547699][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.547852][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.547979][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.548110][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.548234][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.548360][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.548484][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.548610][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.548733][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.548859][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.548983][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.549108][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.549233][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.549359][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.549485][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.549612][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.549734][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.549866][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.549995][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.550122][   T12]  kthread (kernel/kthread.c:436)
[   53.550215][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.550376][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.550499][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.550623][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.550777][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.550902][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.551031][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.553342][   T12] ------------[ cut here ]------------
| [   53.553466][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.553702][   T12] Modules linked in:
| [   53.554591][   T12] Tainted: [W]=WARN
[   53.554681][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.554835][   T12] Workqueue: netns cleanup_net
[   53.554959][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.555163][   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
[   53.555600][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.555749][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cacda80 RCX: 1ff4000000018ed5
[   53.555926][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cacdb3c
[   53.556149][   T12] RBP: ff110000020bc000 R08: 1fe2200001959b69 R09: ff11000001aed1d0
[   53.556325][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.556506][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.556684][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.556890][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.557086][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d002 CR4: 0000000000771ef0
[   53.557265][   T12] PKRU: 55555554
[   53.557359][   T12] Call Trace:
[   53.557448][   T12]  <TASK>
[   53.557509][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.557660][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.557806][   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)
[   53.557927][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.558089][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.558243][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.558369][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.558488][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.558606][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.558726][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.558846][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.558965][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.559134][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.559256][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.559379][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.559500][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.559619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.559741][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.559868][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.559986][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.560154][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.560280][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.560404][   T12]  kthread (kernel/kthread.c:436)
[   53.560494][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.560640][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.560759][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.560878][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.561072][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.561194][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.561313][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.564589][   T12] ------------[ cut here ]------------
| [   53.564728][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.565027][   T12] Modules linked in:
| [   53.565413][   T12] Tainted: [W]=WARN
[   53.565503][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.565655][   T12] Workqueue: netns cleanup_net
[   53.565779][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.565933][   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
[   53.566370][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.566520][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c8b2740 RCX: 1ff4000000018ed5
[   53.566718][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8b27fc
[   53.566893][   T12] RBP: ff1100000f20c000 R08: 1fe2200001916501 R09: ff11000001aed1d0
[   53.567075][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.567253][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.567439][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.567645][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.567797][   T12] CR2: 000055632d2bc368 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.567975][   T12] PKRU: 55555554
[   53.568071][   T12] Call Trace:
[   53.568159][   T12]  <TASK>
[   53.568220][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.568373][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.568518][   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)
[   53.568636][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.568752][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.568903][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.569031][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.569150][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.569269][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.569393][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.569514][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.569631][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.569752][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.569872][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.569991][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.570118][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.570236][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.570360][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.570483][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.570601][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.570728][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.570850][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.570970][   T12]  kthread (kernel/kthread.c:436)
[   53.571067][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.571214][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.571334][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.571457][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.571607][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.571730][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.571853][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.574859][   T12] ------------[ cut here ]------------
| [   53.575081][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.575337][   T12] Modules linked in:
| [   53.575706][   T12] Tainted: [W]=WARN
[   53.575796][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.575943][   T12] Workqueue: netns cleanup_net
[   53.576079][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.576235][   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
[   53.576665][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.576813][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c8b31c0 RCX: 1ff4000000018ed5
[   53.576994][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8b327c
[   53.577179][   T12] RBP: ff1100000e6d9000 R08: 1fe2200001916651 R09: ff11000001aed1d0
[   53.577366][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.577545][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.577723][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.577936][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.578091][   T12] CR2: 000055632d2bc368 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.578269][   T12] PKRU: 55555554
[   53.578362][   T12] Call Trace:
[   53.578449][   T12]  <TASK>
[   53.578512][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.578662][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.578810][   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)
[   53.578928][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.579049][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.579200][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.579321][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.579444][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.579562][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.579683][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.579806][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.579923][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.580054][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.580172][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.580291][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.580415][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.580536][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.580657][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.580778][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.580896][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.581029][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.581153][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.581271][   T12]  kthread (kernel/kthread.c:436)
[   53.581370][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.581523][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.581647][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.581765][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.581914][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.582043][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.582160][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.584685][   T12] ------------[ cut here ]------------
| [   53.584807][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.585051][   T12] Modules linked in:
| [   53.585416][   T12] Tainted: [W]=WARN
[   53.585507][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.585661][   T12] Workqueue: netns cleanup_net
[   53.585789][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.585993][   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
[   53.586450][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.586601][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c8b3e00 RCX: 1ff4000000018ed5
[   53.586779][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8b3ebc
[   53.586960][   T12] RBP: ff1100000f4a9000 R08: 1fe22000019167d9 R09: ff11000001aed1d0
[   53.587141][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.587318][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.587500][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.587711][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.587862][   T12] CR2: 000055632d2bc368 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.588047][   T12] PKRU: 55555554
[   53.588134][   T12] Call Trace:
[   53.588221][   T12]  <TASK>
[   53.588282][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.588442][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.588589][   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)
[   53.588724][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.588843][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.588995][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.589122][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.589241][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.589364][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.589483][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.589603][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.589719][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.589841][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.589960][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.590133][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.590254][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.590379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.590498][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.590621][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.590739][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.590862][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.590986][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.591211][   T12]  kthread (kernel/kthread.c:436)
[   53.591308][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.591461][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.591580][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.591701][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.591850][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.591972][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.592194][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.595154][   T12] ------------[ cut here ]------------
| [   53.595285][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.595530][   T12] Modules linked in:
| [   53.595900][   T12] Tainted: [W]=WARN
[   53.595991][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.596473][   T12] Workqueue: netns cleanup_net
[   53.596603][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.596760][   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
[   53.597193][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.597351][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f61c580 RCX: 1ff4000000018ed5
[   53.597530][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f61c63c
[   53.597707][   T12] RBP: ff110000077d9000 R08: 1fe2200001ec38c9 R09: ff11000001aed1d0
[   53.597888][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.598073][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.598254][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.598480][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.598630][   T12] CR2: 00007f299edd6668 CR3: 000000000ffce004 CR4: 0000000000771ef0
[   53.598813][   T12] PKRU: 55555554
[   53.598901][   T12] Call Trace:
[   53.598990][   T12]  <TASK>
[   53.599061][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.599212][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.599380][   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)
[   53.599498][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.599615][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.599770][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.599891][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.600022][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.600143][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.600263][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.600388][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.600506][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.600627][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.600747][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.600867][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.600991][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.601116][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.601239][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.601374][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.601498][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.601628][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.601752][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.601871][   T12]  kthread (kernel/kthread.c:436)
[   53.601962][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.602117][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.602238][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.602362][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.602516][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.602634][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.602760][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.605145][   T12] ------------[ cut here ]------------
| [   53.605266][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.605508][   T12] Modules linked in:
| [   53.605876][   T12] Tainted: [W]=WARN
[   53.605966][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.606124][   T12] Workqueue: netns cleanup_net
[   53.606250][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.606410][   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
[   53.606834][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.606984][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f61d000 RCX: 1ff4000000018ed5
[   53.607169][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f61d0bc
[   53.607353][   T12] RBP: ff1100000a2d4000 R08: 1fe2200001ec3a19 R09: ff11000001aed1d0
[   53.607534][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.607712][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.607892][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.608109][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.608259][   T12] CR2: 00007f299edd6668 CR3: 000000000ffce004 CR4: 0000000000771ef0
[   53.608445][   T12] PKRU: 55555554
[   53.608535][   T12] Call Trace:
[   53.608629][   T12]  <TASK>
[   53.608691][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.608848][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.608999][   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)
[   53.609125][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.609245][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.609405][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.609527][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.609649][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.609771][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.609894][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.610022][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.610141][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.610264][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.610389][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.610509][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.610630][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.610751][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.610872][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.610997][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.611122][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.611250][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.611379][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.611499][   T12]  kthread (kernel/kthread.c:436)
[   53.611588][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.611742][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.611862][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.611981][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.612137][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.612256][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.612380][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.615020][   T12] ------------[ cut here ]------------
| [   53.615142][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.615383][   T12] Modules linked in:
| [   53.615751][   T12] Tainted: [W]=WARN
[   53.615841][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.615992][   T12] Workqueue: netns cleanup_net
[   53.617082][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.617246][   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
[   53.617687][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.617842][   T12] RAX: 00000000ffffffa6 RBX: ff1100001021b8c0 RCX: 1ff4000000018ed5
[   53.618033][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001021b97c
[   53.618211][   T12] RBP: ff110000119ec000 R08: 1fe2200002043731 R09: ff11000001aed1d0
[   53.618399][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.618579][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.618760][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.618969][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.619128][   T12] CR2: 00007f299edd6668 CR3: 000000000ffce004 CR4: 0000000000771ef0
[   53.619309][   T12] PKRU: 55555554
[   53.619405][   T12] Call Trace:
[   53.619495][   T12]  <TASK>
[   53.619557][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.619711][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.619859][   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)
[   53.619979][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.620105][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.620262][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.620390][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.620511][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.620637][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.620761][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.620883][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.621011][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.621136][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.621256][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.621381][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.621503][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.621622][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.621745][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.621876][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.621996][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.622128][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.622255][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.622383][   T12]  kthread (kernel/kthread.c:436)
[   53.622478][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.622629][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.622751][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.622872][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.623028][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.623150][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.623269][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.655399][   T12] ------------[ cut here ]------------
| [   53.655573][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.655858][   T12] Modules linked in:
| [   53.656333][   T12] Tainted: [W]=WARN
[   53.656480][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.656673][   T12] Workqueue: netns cleanup_net
[   53.656843][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.657058][   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
[   53.657536][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.657737][   T12] RAX: 00000000ffffffa6 RBX: ff110000029e0e40 RCX: 1ff4000000018eed
[   53.657969][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029e0efc
[   53.658204][   T12] RBP: ff1100000e3dc000 R08: 1fe220000053c1e1 R09: ff11000001aed1d0
[   53.658438][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.658659][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.658882][   T12] FS:  0000000000000000(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   53.659157][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.659362][   T12] CR2: 00005562fad8fd5c CR3: 0000000010153005 CR4: 0000000000771ef0
[   53.659589][   T12] PKRU: 55555554
[   53.659723][   T12] Call Trace:
[   53.659857][   T12]  <TASK>
[   53.659965][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.660179][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.660408][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.660577][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.660778][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.660974][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.661151][   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)
[   53.661320][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.661526][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.661692][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.661861][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.662046][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.662210][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.662386][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.662553][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.662721][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.662890][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.663071][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.663245][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.663425][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.663590][   T12]  kthread (kernel/kthread.c:436)
[   53.663726][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.663921][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.664104][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.664272][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.664479][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.664642][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.664839][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.667557][   T12] ------------[ cut here ]------------
| [   53.667719][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.667995][   T12] Modules linked in:
| [   53.668469][   T12] Tainted: [W]=WARN
[   53.668608][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.668804][   T12] Workqueue: netns cleanup_net
[   53.668975][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.669189][   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
[   53.669665][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.669862][   T12] RAX: 00000000ffffffa6 RBX: ff11000007aa43c0 RCX: 1ff4000000018eed
[   53.670099][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000007aa447c
[   53.670321][   T12] RBP: ff1100000f929000 R08: 1fe2200000f54891 R09: ff11000001aed1d0
[   53.670552][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.670777][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.671000][   T12] FS:  0000000000000000(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   53.671264][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.671465][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d006 CR4: 0000000000771ef0
[   53.671691][   T12] PKRU: 55555554
[   53.671824][   T12] Call Trace:
[   53.671961][   T12]  <TASK>
[   53.672084][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.672283][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.672484][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.672653][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.672821][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.672987][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.673167][   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)
[   53.673336][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.673513][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.673675][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.673844][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.674024][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.674191][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.674365][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.674531][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.674698][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.674867][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.675043][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.675212][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.675389][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.675554][   T12]  kthread (kernel/kthread.c:436)
[   53.675690][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.675881][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.676059][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.676226][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.676430][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.676596][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.676763][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.679422][   T12] ------------[ cut here ]------------
| [   53.679584][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.679863][   T12] Modules linked in:
| [   53.680327][   T12] Tainted: [W]=WARN
[   53.680500][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.680693][   T12] Workqueue: netns cleanup_net
[   53.680867][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.681084][   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
[   53.681555][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.681750][   T12] RAX: 00000000ffffffa6 RBX: ff11000007aa4ac0 RCX: 1ff4000000018eed
[   53.681989][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000007aa4b7c
[   53.682225][   T12] RBP: ff11000009cd1000 R08: 1fe2200000f54971 R09: ff11000001aed1d0
[   53.682452][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.682672][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.682901][   T12] FS:  0000000000000000(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   53.683166][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.683366][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d006 CR4: 0000000000771ef0
[   53.683591][   T12] PKRU: 55555554
[   53.683726][   T12] Call Trace:
[   53.683864][   T12]  <TASK>
[   53.683972][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.684180][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.684383][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.684550][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.684717][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.684884][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.685068][   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)
[   53.685235][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.685411][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.685578][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.685747][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.685914][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.686087][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.686260][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.686434][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.686601][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.686771][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.686939][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.687121][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.687292][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.687466][   T12]  kthread (kernel/kthread.c:436)
[   53.687608][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.687806][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.687973][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.688148][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.688350][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.688516][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.688686][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.691095][   T12] ------------[ cut here ]------------
| [   53.691256][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.691547][   T12] Modules linked in:
| [   53.691995][   T12] Tainted: [W]=WARN
[   53.692444][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.692699][   T12] Workqueue: netns cleanup_net
[   53.692964][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.693234][   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
[   53.693751][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.693990][   T12] RAX: 00000000ffffffa6 RBX: ff110000029e03c0 RCX: 1ff4000000018eed
[   53.694274][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000029e047c
[   53.694562][   T12] RBP: ff1100000e6a9000 R08: 1fe220000053c091 R09: ff11000001aed1d0
[   53.694831][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.695114][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.695392][   T12] FS:  0000000000000000(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   53.695688][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.695926][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d006 CR4: 0000000000771ef0
[   53.696208][   T12] PKRU: 55555554
[   53.696393][   T12] Call Trace:
[   53.696572][   T12]  <TASK>
[   53.696725][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.696969][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.697220][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.697438][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.697649][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.697856][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.698079][   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)
[   53.698291][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.698515][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.698728][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.698940][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.699164][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.699383][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.699624][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.699877][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.700164][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.700436][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.700694][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.700946][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.701125][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.701302][   T12]  kthread (kernel/kthread.c:436)
[   53.701451][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.701645][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.701812][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.701982][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.702189][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.702360][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.702527][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.705026][   T12] ------------[ cut here ]------------
| [   53.705190][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.705471][   T12] Modules linked in:
| [   53.705931][   T12] Tainted: [W]=WARN
[   53.706085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.706280][   T12] Workqueue: netns cleanup_net
[   53.706470][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.706674][   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
[   53.707270][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.707567][   T12] RAX: 00000000ffffffa6 RBX: ff110000094a3380 RCX: 1ff4000000018eed
[   53.707873][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094a343c
[   53.708176][   T12] RBP: ff1100000f099000 R08: 1fe2200001294689 R09: ff11000001aed1d0
[   53.708488][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.708753][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.709050][   T12] FS:  0000000000000000(0000) GS:ff110000badc7000(0000) knlGS:0000000000000000
[   53.709366][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.709611][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d006 CR4: 0000000000771ef0
[   53.709883][   T12] PKRU: 55555554
[   53.710078][   T12] Call Trace:
[   53.710259][   T12]  <TASK>
[   53.710419][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.710663][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.710905][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.711130][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.711379][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.711591][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.711803][   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)
[   53.712032][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.712245][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.712495][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.712713][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.712925][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.713148][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.713367][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.713580][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.713791][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.714067][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.714277][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.714574][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.714835][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.715119][   T12]  kthread (kernel/kthread.c:436)
[   53.715380][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.715667][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.715926][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.716200][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.716504][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.716727][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.716981][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.732503][   T12] ------------[ cut here ]------------
| [   53.732646][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.732903][   T12] Modules linked in:
| [   53.733294][   T12] Tainted: [W]=WARN
[   53.733392][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.733550][   T12] Workqueue: netns cleanup_net
[   53.733680][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.733841][   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
[   53.734383][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.734540][   T12] RAX: 00000000ffffffa6 RBX: ff110000094a23c0 RCX: 1ff4000000018eaf
[   53.734723][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094a247c
[   53.734934][   T12] RBP: ff1100000fdcc000 R08: 1fe2200001294491 R09: ff11000001aed1d0
[   53.735130][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   53.735313][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   53.735505][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.735724][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.735878][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d004 CR4: 0000000000771ef0
[   53.736072][   T12] PKRU: 55555554
[   53.736164][   T12] Call Trace:
[   53.736260][   T12]  <TASK>
[   53.736325][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.736456][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.736552][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.736676][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.736820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.736957][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.737084][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.737208][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.737369][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.737527][   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)
[   53.737650][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.737774][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   53.737899][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.738063][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.738190][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.738317][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.738447][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.738571][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.738695][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.738821][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.738943][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.739075][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.739199][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.739321][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.739447][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.739570][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.739694][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.739821][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.739944][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.740077][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.740205][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.740329][   T12]  kthread (kernel/kthread.c:436)
[   53.740424][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.740576][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.740700][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.740823][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.740976][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.741107][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.741231][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.752141][   T12] ------------[ cut here ]------------
| [   53.752324][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.752594][   T12] Modules linked in:
| [   53.752959][   T12] Tainted: [W]=WARN
[   53.753099][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.753248][   T12] Workqueue: netns cleanup_net
[   53.753383][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.753561][   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
[   53.753990][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.754147][   T12] RAX: 00000000ffffffa6 RBX: ff1100001021bc40 RCX: 1ff4000000018ed5
[   53.754325][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001021bcfc
[   53.754507][   T12] RBP: ff1100000fdcc000 R08: 1fe22000020437a1 R09: ff11000001aed1d0
[   53.754683][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.754861][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.755051][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.755257][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.755409][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d004 CR4: 0000000000771ef0
[   53.755588][   T12] PKRU: 55555554
[   53.755677][   T12] Call Trace:
[   53.755765][   T12]  <TASK>
[   53.755827][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.755980][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.756136][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.756259][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.756392][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.756518][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.756638][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.756760][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.756880][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.757000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.757130][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.757251][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.757380][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.757501][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.757621][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.757742][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.757865][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.757983][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.758111][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.758234][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.758357][   T12]  kthread (kernel/kthread.c:436)
[   53.758446][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.758593][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.758711][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.758831][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.758980][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.759106][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.759225][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.801774][   T12] ------------[ cut here ]------------
| [   53.801909][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.802162][   T12] Modules linked in:
| [   53.802530][   T12] Tainted: [W]=WARN
[   53.802618][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.802768][   T12] Workqueue: netns cleanup_net
[   53.802890][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.803049][   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
[   53.803474][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.803630][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b582c80 RCX: 1ff4000000018eed
[   53.803803][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b582d3c
[   53.803982][   T12] RBP: ff1100000fe3c000 R08: 1fe22000016b05a9 R09: ff11000001aed1d0
[   53.804160][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.804332][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.804514][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.804724][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.804871][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d004 CR4: 0000000000771ef0
[   53.805049][   T12] PKRU: 55555554
[   53.805136][   T12] Call Trace:
[   53.805227][   T12]  <TASK>
[   53.805289][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.805444][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.805589][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.805708][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.805825][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.805943][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.806069][   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)
[   53.806187][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.806306][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.806428][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.806549][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.806666][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.806783][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.806901][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.807025][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.807144][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.807265][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.807386][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.807508][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.807629][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.807744][   T12]  kthread (kernel/kthread.c:436)
[   53.807832][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.807977][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.808150][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.808318][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.808472][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.808590][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.808708][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.810932][   T12] ------------[ cut here ]------------
| [   53.811058][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.811285][   T12] Modules linked in:
| [   53.811645][   T12] Tainted: [W]=WARN
[   53.811734][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.811879][   T12] Workqueue: netns cleanup_net
[   53.812000][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.812159][   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
[   53.812577][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.812724][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bee3a80 RCX: 1ff4000000018eed
[   53.812896][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bee3b3c
[   53.813088][   T12] RBP: ff1100000fe49000 R08: 1fe22000017dc769 R09: ff11000001aed1d0
[   53.813264][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.813442][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.813616][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.813817][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.813963][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d004 CR4: 0000000000771ef0
[   53.814145][   T12] PKRU: 55555554
[   53.814231][   T12] Call Trace:
[   53.814321][   T12]  <TASK>
[   53.814388][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.814536][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.814679][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.814797][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.814913][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.815037][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.815154][   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)
[   53.815275][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.815400][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.815516][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.815634][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.815751][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.815870][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.815988][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.816107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.816225][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.816349][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.816464][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.816585][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.816705][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.816821][   T12]  kthread (kernel/kthread.c:436)
[   53.816908][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.817056][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.817173][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.817290][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.817441][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.817562][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.817681][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.819786][   T12] ------------[ cut here ]------------
| [   53.819910][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.820640][   T12] Modules linked in:
| [   53.820992][   T12] Tainted: [W]=WARN
[   53.821126][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.821271][   T12] Workqueue: netns cleanup_net
[   53.821400][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.821552][   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
[   53.821967][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.822159][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bee3000 RCX: 1ff4000000018eed
[   53.822385][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bee30bc
[   53.822558][   T12] RBP: ff1100000fe84000 R08: 1fe22000017dc619 R09: ff11000001aed1d0
[   53.822732][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.822904][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.823125][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.823327][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.823478][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d004 CR4: 0000000000771ef0
[   53.823652][   T12] PKRU: 55555554
[   53.823739][   T12] Call Trace:
[   53.823828][   T12]  <TASK>
[   53.823889][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.824085][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.824230][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.824355][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.824477][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.824594][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.824710][   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)
[   53.824826][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.824945][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.825109][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.825229][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.825350][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.825467][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.825589][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.825704][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.825822][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.825943][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.826108][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.826229][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.826355][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.826473][   T12]  kthread (kernel/kthread.c:436)
[   53.826560][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.826706][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.826824][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.826943][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.827136][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.827253][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.827376][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.830668][   T12] ------------[ cut here ]------------
| [   53.830794][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.831029][   T12] Modules linked in:
| [   53.831387][   T12] Tainted: [W]=WARN
[   53.831476][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.831623][   T12] Workqueue: netns cleanup_net
[   53.831744][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.831896][   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
[   53.832316][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.832470][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bee2ac0 RCX: 1ff4000000018eed
[   53.832643][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bee2b7c
[   53.832821][   T12] RBP: ff1100000f13c000 R08: 1fe22000017dc571 R09: ff11000001aed1d0
[   53.832997][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.833178][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.833358][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   53.833561][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.833712][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d004 CR4: 0000000000771ef0
[   53.833886][   T12] PKRU: 55555554
[   53.833975][   T12] Call Trace:
[   53.834069][   T12]  <TASK>
[   53.834130][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.834279][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.834429][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.834546][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.834669][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.834784][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.834903][   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)
[   53.835026][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.835146][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.835261][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.835386][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.835502][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.835616][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.835733][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.835852][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.835969][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.836192][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.836308][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.836434][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.836554][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.836669][   T12]  kthread (kernel/kthread.c:436)
[   53.836759][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.836901][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.837107][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.837311][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.837465][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.837580][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.837696][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.839765][   T12] ------------[ cut here ]------------
| [   53.839894][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.840141][   T12] Modules linked in:
| [   53.840508][   T12] Tainted: [W]=WARN
[   53.840597][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.840742][   T12] Workqueue: netns cleanup_net
[   53.840863][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.841021][   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
[   53.841444][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.841590][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bee2200 RCX: 1ff4000000018eed
[   53.841764][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bee22bc
[   53.841939][   T12] RBP: ff1100000f1b4000 R08: 1fe22000017dc459 R09: ff11000001aed1d0
[   53.842119][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.842292][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.842472][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.842678][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.842824][   T12] CR2: 00007f783c4ff000 CR3: 000000001a14d004 CR4: 0000000000771ef0
[   53.843002][   T12] PKRU: 55555554
[   53.843099][   T12] Call Trace:
[   53.843185][   T12]  <TASK>
[   53.843246][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.843402][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.843549][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.843666][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.843788][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.843907][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.844033][   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)
[   53.844151][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.844270][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.844393][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.844514][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.844632][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.844749][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.844871][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.844987][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.845116][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.845238][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.845358][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.845480][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.845601][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.845717][   T12]  kthread (kernel/kthread.c:436)
[   53.845805][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.845950][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.846075][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.846192][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.846338][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.846461][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.846577][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.858701][   T12] ------------[ cut here ]------------
| [   53.858831][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.859088][   T12] Modules linked in:
| [   53.859466][   T12] Tainted: [W]=WARN
[   53.859563][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.859715][   T12] Workqueue: netns cleanup_net
[   53.859843][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.860003][   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
[   53.860698][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.860852][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bee2e40 RCX: 1ff4000000018eaf
[   53.861092][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bee2efc
[   53.861274][   T12] RBP: ff1100000f3f9000 R08: 1fe22000017dc5e1 R09: ff11000001aed1d0
[   53.861463][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.861644][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   53.861831][   T12] FS:  0000000000000000(0000) GS:ff110000bae47000(0000) knlGS:0000000000000000
[   53.862107][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.862262][   T12] CR2: 00007f783c4ff000 CR3: 000000001a14d004 CR4: 0000000000771ef0
[   53.862501][   T12] PKRU: 55555554
[   53.862592][   T12] Call Trace:
[   53.862683][   T12]  <TASK>
[   53.862747][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.862874][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.862969][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.863106][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.863228][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.863354][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.863477][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.863609][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.863770][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.863926][   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)
[   53.864054][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.864176][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   53.864299][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.864459][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.864590][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.864715][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.864842][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.864965][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.865097][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.865222][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.865350][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.865477][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.865600][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.865724][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.865848][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.865969][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.866109][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.866236][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.866364][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.866491][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.866619][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.866740][   T12]  kthread (kernel/kthread.c:436)
[   53.866834][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.866986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.867112][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.867235][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.867395][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.867520][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.867644][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.869999][   T12] ------------[ cut here ]------------
| [   53.870149][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.870408][   T12] Modules linked in:
| [   53.870782][   T12] Tainted: [W]=WARN
[   53.870881][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.871044][   T12] Workqueue: netns cleanup_net
[   53.871167][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.871321][   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
[   53.871764][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.871916][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c38fa80 RCX: 1ff4000000018ed5
[   53.872100][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c38fb3c
[   53.872276][   T12] RBP: ff1100000f3f9000 R08: 1fe2200001871f69 R09: ff11000001aed1d0
[   53.872457][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.872633][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.872811][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.873037][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.873184][   T12] CR2: 00007fffcebe9a18 CR3: 0000000010153004 CR4: 0000000000771ef0
[   53.873371][   T12] PKRU: 55555554
[   53.873463][   T12] Call Trace:
[   53.873554][   T12]  <TASK>
[   53.873616][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.873770][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.873938][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.874070][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.874191][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.874309][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.874435][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.874556][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.874677][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.874796][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.874922][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.875048][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.875167][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.875289][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.875411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.875532][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.875656][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.875774][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.875898][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.876026][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.876145][   T12]  kthread (kernel/kthread.c:436)
[   53.876236][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.876386][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.876505][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.876624][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.876777][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.876896][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.877024][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.932725][   T12] ------------[ cut here ]------------
| [   53.932864][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.933117][   T12] Modules linked in:
| [   53.933486][   T12] Tainted: [W]=WARN
[   53.933575][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.933721][   T12] Workqueue: netns cleanup_net
[   53.933848][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.934002][   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
[   53.934436][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.934584][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b50cc80 RCX: 1ff4000000018eed
[   53.934760][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b50cd3c
[   53.934938][   T12] RBP: ff11000012461000 R08: 1fe22000016a19a9 R09: ff11000001aed1d0
[   53.935119][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.935292][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.935477][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.935681][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.935827][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.936002][   T12] PKRU: 55555554
[   53.936100][   T12] Call Trace:
[   53.936187][   T12]  <TASK>
[   53.936256][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.936413][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.936558][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.936675][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.936793][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.936909][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.937039][   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)
[   53.937159][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.937279][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.937400][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.937520][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.937639][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.937760][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.937879][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.937996][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.938125][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.938246][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.938369][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.938491][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.938613][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.938730][   T12]  kthread (kernel/kthread.c:436)
[   53.938817][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.938963][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.939091][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.939209][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.939362][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.939481][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.939599][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.941759][   T12] ------------[ cut here ]------------
| [   53.941877][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.942179][   T12] Modules linked in:
| [   53.942544][   T12] Tainted: [W]=WARN
[   53.942632][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.942776][   T12] Workqueue: netns cleanup_net
[   53.942897][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.943144][   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
[   53.943565][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.943716][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b50d380 RCX: 1ff4000000018eed
[   53.943896][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b50d43c
[   53.944116][   T12] RBP: ff1100000fab4000 R08: 1fe22000016a1a89 R09: ff11000001aed1d0
[   53.944289][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.944467][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.944643][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.944846][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.944994][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.945174][   T12] PKRU: 55555554
[   53.945261][   T12] Call Trace:
[   53.945354][   T12]  <TASK>
[   53.945415][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.945566][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.945711][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.945831][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.945954][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.946081][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.946198][   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)
[   53.946317][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.946447][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.946563][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.946689][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.946807][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.946923][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.947049][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.947169][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.947287][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.947412][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.947529][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.947652][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.947774][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.947890][   T12]  kthread (kernel/kthread.c:436)
[   53.947979][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.948130][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.948246][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.948368][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.948519][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.948636][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.948754][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.959520][   T12] ------------[ cut here ]------------
| [   53.959653][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.959886][   T12] Modules linked in:
| [   53.960254][   T12] Tainted: [W]=WARN
[   53.960351][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.960498][   T12] Workqueue: netns cleanup_net
[   53.960618][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.960775][   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
[   53.961203][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.961356][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b50da80 RCX: 1ff4000000018eed
[   53.961535][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b50db3c
[   53.961711][   T12] RBP: ff1100000a3cc000 R08: 1fe22000016a1b69 R09: ff11000001aed1d0
[   53.961885][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.962065][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.962241][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.962452][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.962600][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.962774][   T12] PKRU: 55555554
[   53.962861][   T12] Call Trace:
[   53.962949][   T12]  <TASK>
[   53.963018][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.963167][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.963313][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.963435][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.963554][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.963671][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.963790][   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)
[   53.963910][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.964042][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.964160][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.964282][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.964404][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.964521][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.964640][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.964758][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.964880][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.965002][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.965126][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.965249][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.965380][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.965497][   T12]  kthread (kernel/kthread.c:436)
[   53.965585][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.965730][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.965848][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.965966][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.966121][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.966237][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.966357][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.968665][   T12] ------------[ cut here ]------------
| [   53.968791][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.969031][   T12] Modules linked in:
| [   53.969393][   T12] Tainted: [W]=WARN
[   53.969483][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.969629][   T12] Workqueue: netns cleanup_net
[   53.969749][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.969902][   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
[   53.970324][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.970475][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b50de00 RCX: 1ff4000000018eed
[   53.970651][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b50debc
[   53.970823][   T12] RBP: ff1100000fa44000 R08: 1fe22000016a1bd9 R09: ff11000001aed1d0
[   53.970997][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.971180][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.971360][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.971565][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.971717][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.971893][   T12] PKRU: 55555554
[   53.971979][   T12] Call Trace:
[   53.972072][   T12]  <TASK>
[   53.972134][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.972284][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.972434][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.972553][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.972677][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.972795][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.972914][   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)
[   53.973043][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.973163][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.973281][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.973412][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.973530][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.973648][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.973771][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.973889][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.974020][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.974141][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.974258][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.974386][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.974512][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.974631][   T12]  kthread (kernel/kthread.c:436)
[   53.974724][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.974870][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.974989][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.975112][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.975259][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.975385][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.975506][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.977462][   T12] ------------[ cut here ]------------
| [   53.977583][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.977811][   T12] Modules linked in:
| [   53.978176][   T12] Tainted: [W]=WARN
[   53.978264][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.978420][   T12] Workqueue: netns cleanup_net
[   53.978542][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.978695][   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
[   53.979116][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.979264][   T12] RAX: 00000000ffffffa6 RBX: ff1100000beea040 RCX: 1ff4000000018eed
[   53.979443][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000beea0fc
[   53.979617][   T12] RBP: ff11000009cb4000 R08: 1fe22000017dd421 R09: ff11000001aed1d0
[   53.979790][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.979965][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.980144][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   53.980354][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.980500][   T12] CR2: 00007fffcebe9a18 CR3: 000000001a14d003 CR4: 0000000000771ef0
[   53.980676][   T12] PKRU: 55555554
[   53.980763][   T12] Call Trace:
[   53.980851][   T12]  <TASK>
[   53.980912][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.981068][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.981217][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.981336][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.981457][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.981577][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.981696][   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)
[   53.981822][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.981942][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.982068][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.982189][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.982306][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.982427][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.982545][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.982664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.982784][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.982906][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.983028][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.983151][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.983272][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.983397][   T12]  kthread (kernel/kthread.c:436)
[   53.983486][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.983632][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.983749][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.983866][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.984018][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.984136][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.984287][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.999616][   T12] ------------[ cut here ]------------
| [   53.999750][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.999995][   T12] Modules linked in:
| [   54.000843][   T12] Tainted: [W]=WARN
[   54.000937][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.001153][   T12] Workqueue: netns cleanup_net
[   54.001282][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.001449][   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
[   54.001922][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.002085][   T12] RAX: 00000000ffffffa6 RBX: ff11000004dc43c0 RCX: 1ff4000000018eaf
[   54.002270][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004dc447c
[   54.002457][   T12] RBP: ff1100000e459000 R08: 1fe22000009b8891 R09: ff11000001aed1d0
[   54.002642][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   54.002824][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   54.003020][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   54.003238][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.003397][   T12] CR2: 00005562fad8fd5c CR3: 0000000010153004 CR4: 0000000000771ef0
[   54.003582][   T12] PKRU: 55555554
[   54.003674][   T12] Call Trace:
[   54.003766][   T12]  <TASK>
[   54.003831][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.003955][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.004053][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.004177][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.004300][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.004429][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.004550][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.004673][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.004828][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.004984][   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)
[   54.005113][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.005235][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   54.005364][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.005520][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.005646][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.005772][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.005895][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.006022][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.006148][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.006276][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.006404][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.006530][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.006654][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.006776][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.006900][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.007029][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.007156][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.007284][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.007412][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.007540][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.007668][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.007791][   T12]  kthread (kernel/kthread.c:436)
[   54.007884][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.008046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.008167][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.008290][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.008448][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.008575][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.008698][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.019545][   T12] ------------[ cut here ]------------
| [   54.019675][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.019910][   T12] Modules linked in:
| [   54.020292][   T12] Tainted: [W]=WARN
[   54.020388][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.020539][   T12] Workqueue: netns cleanup_net
[   54.020666][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.020821][   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
[   54.021254][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.021406][   T12] RAX: 00000000ffffffa6 RBX: ff11000004dc5380 RCX: 1ff4000000018ed5
[   54.021587][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004dc543c
[   54.021762][   T12] RBP: ff1100000e459000 R08: 1fe22000009b8a89 R09: ff11000001aed1d0
[   54.021944][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.022131][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.022310][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   54.022522][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.022673][   T12] CR2: 00005562fad8fd5c CR3: 0000000010153004 CR4: 0000000000771ef0
[   54.022849][   T12] PKRU: 55555554
[   54.022941][   T12] Call Trace:
[   54.023038][   T12]  <TASK>
[   54.023102][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.023253][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.023408][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.023532][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.023653][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.023773][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.023893][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.024019][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.024141][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.024258][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.024389][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.024509][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.024628][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.024750][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.024868][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.024988][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.025115][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.025235][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.025363][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.025486][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.025606][   T12]  kthread (kernel/kthread.c:436)
[   54.025695][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.025843][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.025964][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.026089][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.026241][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.026368][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.026488][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.066331][   T12] ------------[ cut here ]------------
| [   54.066466][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.066696][   T12] Modules linked in:
| [   54.067299][   T12] Tainted: [W]=WARN
[   54.067398][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.067556][   T12] Workqueue: netns cleanup_net
[   54.067677][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.067830][   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
[   54.068253][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.068406][   T12] RAX: 00000000ffffffa6 RBX: ff11000005b61c40 RCX: 1ff4000000018eed
[   54.068582][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b61cfc
[   54.068757][   T12] RBP: ff1100000fee4000 R08: 1fe2200000b6c3a1 R09: ff11000001aed1d0
[   54.068935][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.069114][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.069292][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   54.069499][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.069644][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d003 CR4: 0000000000771ef0
[   54.069820][   T12] PKRU: 55555554
[   54.069918][   T12] Call Trace:
[   54.070005][   T12]  <TASK>
[   54.070073][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.070222][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.070370][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.070488][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.070606][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.070723][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.070845][   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)
[   54.070965][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.071091][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.071206][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.071324][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.071444][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.071559][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.071676][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.071793][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.071911][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.072042][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.072159][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.072284][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.072408][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.072523][   T12]  kthread (kernel/kthread.c:436)
[   54.072611][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.072760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.072877][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.072993][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.073144][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.073259][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.073381][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.075509][   T12] ------------[ cut here ]------------
| [   54.075629][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.075863][   T12] Modules linked in:
| [   54.076222][   T12] Tainted: [W]=WARN
[   54.076311][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.076461][   T12] Workqueue: netns cleanup_net
[   54.076581][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.076732][   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
[   54.077158][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.077308][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b572900 RCX: 1ff4000000018eed
[   54.077488][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5729bc
[   54.077662][   T12] RBP: ff1100000f579000 R08: 1fe22000016ae539 R09: ff11000001aed1d0
[   54.077833][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.078068][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.078243][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   54.078459][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.078604][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d003 CR4: 0000000000771ef0
[   54.078778][   T12] PKRU: 55555554
[   54.078864][   T12] Call Trace:
[   54.078951][   T12]  <TASK>
[   54.079019][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.079169][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.079316][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.079438][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.079556][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.079673][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.079789][   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)
[   54.079907][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.080031][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.080146][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.080272][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.080398][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.080514][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.080632][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.080748][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.080867][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.080987][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.081108][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.081228][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.081354][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.081470][   T12]  kthread (kernel/kthread.c:436)
[   54.081558][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.081701][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.081818][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.081937][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.082091][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.082206][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.082322][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.084428][   T12] ------------[ cut here ]------------
| [   54.084544][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.084769][   T12] Modules linked in:
| [   54.085134][   T12] Tainted: [W]=WARN
[   54.085223][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.085382][   T12] Workqueue: netns cleanup_net
[   54.085503][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.085656][   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
[   54.086087][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.086232][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b572e40 RCX: 1ff4000000018eed
[   54.086409][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b572efc
[   54.086583][   T12] RBP: ff1100000f88c000 R08: 1fe22000016ae5e1 R09: ff11000001aed1d0
[   54.086759][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.086931][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.087110][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   54.087319][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.087469][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d003 CR4: 0000000000771ef0
[   54.087646][   T12] PKRU: 55555554
[   54.087733][   T12] Call Trace:
[   54.087821][   T12]  <TASK>
[   54.087882][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.088036][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.088179][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.088296][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.088418][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.088534][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.088652][   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)
[   54.088769][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.088887][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.089003][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.089134][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.089252][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.089374][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.089491][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.089608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.089726][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.089846][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.089962][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.090088][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.090209][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.090325][   T12]  kthread (kernel/kthread.c:436)
[   54.090416][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.090564][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.090680][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.090797][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.090941][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.091064][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.091181][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.093098][   T12] ------------[ cut here ]------------
| [   54.093212][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.093443][   T12] Modules linked in:
| [   54.093793][   T12] Tainted: [W]=WARN
[   54.093881][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.094174][   T12] Workqueue: netns cleanup_net
[   54.094297][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.094452][   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
[   54.094868][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.095019][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b572040 RCX: 1ff4000000018eed
[   54.095195][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5720fc
[   54.095374][   T12] RBP: ff1100000f87c000 R08: 1fe22000016ae421 R09: ff11000001aed1d0
[   54.095547][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.095720][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.095895][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   54.096103][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.096249][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d003 CR4: 0000000000771ef0
[   54.096428][   T12] PKRU: 55555554
[   54.096514][   T12] Call Trace:
[   54.096603][   T12]  <TASK>
[   54.096664][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.096813][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.096960][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.097083][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.097200][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.097321][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.097446][   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)
[   54.097565][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.097685][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.097803][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.097922][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.098046][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.098164][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.098282][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.098405][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.098529][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.098651][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.098769][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.098890][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.099017][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.099133][   T12]  kthread (kernel/kthread.c:436)
[   54.099221][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.099372][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.099490][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.099606][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.099752][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.099869][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.099986][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.101921][   T12] ------------[ cut here ]------------
| [   54.102052][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.102279][   T12] Modules linked in:
| [   54.102641][   T12] Tainted: [W]=WARN
[   54.102731][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.102885][   T12] Workqueue: netns cleanup_net
[   54.103447][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.103605][   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
[   54.104072][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.104219][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b572580 RCX: 1ff4000000018eed
[   54.104396][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b57263c
[   54.104572][   T12] RBP: ff1100000f994000 R08: 1fe22000016ae4c9 R09: ff11000001aed1d0
[   54.104745][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.104919][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.105148][   T12] FS:  0000000000000000(0000) GS:ff110000bacc7000(0000) knlGS:0000000000000000
[   54.105366][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.105512][   T12] CR2: 00005562fad8fd5c CR3: 000000001a14d003 CR4: 0000000000771ef0
[   54.105687][   T12] PKRU: 55555554
[   54.105773][   T12] Call Trace:
[   54.105859][   T12]  <TASK>
[   54.105920][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.106118][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.106264][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.106385][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.106502][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.106618][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.106738][   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)
[   54.106855][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.106972][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.107138][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.107262][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.107382][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.107497][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.107615][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.107731][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.107850][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.107972][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.108142][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.108263][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.108387][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.108503][   T12]  kthread (kernel/kthread.c:436)
[   54.108591][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.108739][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.108856][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.108975][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.109168][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.109285][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.109405][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.127641][   T12] ------------[ cut here ]------------
| [   54.127782][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.128035][   T12] Modules linked in:
| [   54.128417][   T12] Tainted: [W]=WARN
[   54.128513][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.128669][   T12] Workqueue: netns cleanup_net
[   54.128797][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.128954][   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
[   54.129525][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.129754][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b572ac0 RCX: 1ff4000000018eaf
[   54.129952][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b572b7c
[   54.130191][   T12] RBP: ff11000008b69000 R08: 1fe22000016ae571 R09: ff11000001aed1d0
[   54.130381][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   54.130566][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   54.130754][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   54.130969][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.131177][   T12] CR2: 00005562fad8bae8 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   54.131365][   T12] PKRU: 55555554
[   54.131456][   T12] Call Trace:
[   54.131547][   T12]  <TASK>
[   54.131612][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.131737][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.131832][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.131954][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.132125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.132247][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.132374][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.132496][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.132650][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.132802][   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)
[   54.132925][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.133094][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   54.133217][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.133374][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.133499][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.133623][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.133746][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.133869][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.133991][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.134137][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.134259][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.134390][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.134512][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.134633][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.134758][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.134881][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.135005][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.135138][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.135258][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.135390][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.135517][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.135639][   T12]  kthread (kernel/kthread.c:436)
[   54.135733][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.135888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.136015][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.136137][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.136289][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.136417][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.136541][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.139481][   T12] ------------[ cut here ]------------
| [   54.139616][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.139855][   T12] Modules linked in:
| [   54.140222][   T12] Tainted: [W]=WARN
[   54.140312][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.140466][   T12] Workqueue: netns cleanup_net
[   54.140590][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.140743][   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
[   54.141176][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.141325][   T12] RAX: 00000000ffffffa6 RBX: ff11000009938200 RCX: 1ff4000000018ed5
[   54.141510][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000099382bc
[   54.141685][   T12] RBP: ff11000008b69000 R08: 1fe2200001327059 R09: ff11000001aed1d0
[   54.141861][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.142047][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.142230][   T12] FS:  0000000000000000(0000) GS:ff110000bad47000(0000) knlGS:0000000000000000
[   54.142446][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.142593][   T12] CR2: 00005562fad8bae8 CR3: 000000001a14d005 CR4: 0000000000771ef0
[   54.142771][   T12] PKRU: 55555554
[   54.142859][   T12] Call Trace:
[   54.142946][   T12]  <TASK>
[   54.143016][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.143168][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.143316][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.143440][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.143559][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.143677][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.143796][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.143917][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.144043][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.144160][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.144280][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.144403][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.144520][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.144639][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.144758][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.144877][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.144998][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.145123][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.145245][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.145373][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.145491][   T12]  kthread (kernel/kthread.c:436)
[   54.145582][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.145729][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.145847][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.145965][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.146117][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.146237][   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