======================================
| xx__-> [    9.379979][  T204] ------------[ cut here ]------------
| [    9.380206][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/204
| [    9.380443][  T204] Modules linked in:
| [    9.380912][  T204] Tainted: [W]=WARN
[    9.381015][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.381192][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.381370][  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
[    9.381928][  T204] RSP: 0018:ffa00000008c6e30 EFLAGS: 00010286
[    9.382104][  T204] RAX: 00000000ffffffa6 RBX: ff1100000dbb1a80 RCX: 1ff4000000118d8c
[    9.382302][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb1b3c
[    9.382511][  T204] RBP: ff1100000a3e1000 R08: 1fe2200001b76369 R09: ff1100000eb3d180
[    9.382710][  T204] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.382915][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c3b4084
[    9.383120][  T204] FS:  00007f833f402840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[    9.383369][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.383544][  T204] CR2: 000000000042ebe0 CR3: 00000000112e1006 CR4: 0000000000771ef0
[    9.383746][  T204] PKRU: 55555554
[    9.383854][  T204] Call Trace:
[    9.383958][  T204]  <TASK>
[    9.384033][  T204]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.384201][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.384336][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.384436][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.384578][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.384709][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[    9.384849][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.384987][  T204]  ? netif_change_name (net/core/dev.c:1495)
[    9.385121][  T204]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.385255][  T204]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.385426][  T204]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.385600][  T204]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.385732][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.385875][  T204]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.386008][  T204]  veth_newlink (drivers/net/veth.c:1871)
[    9.386141][  T204]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.386275][  T204]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.386410][  T204]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.386547][  T204]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.386696][  T204]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.386834][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.386973][  T204]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.387105][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.387239][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.387372][  T204]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.387512][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.387645][  T204]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.387782][  T204]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.387926][  T204]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.388064][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.388197][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.388329][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.388460][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.388597][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.388729][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.388870][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.389009][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.389142][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.389273][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.389403][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.389541][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.389674][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.389810][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.389948][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.390081][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.390213][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.390350][  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))
[    9.390481][  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))
[    9.390620][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.390755][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.390894][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.391034][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.391168][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.391304][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.391438][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.391577][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.391709][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.391877][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[    9.392020][  T204]  ___sys_sendmsg (net/socket.c:2752)
[    9.392151][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.392284][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.392429][  T204]  __sys_sendmsg (net/socket.c:2784)
[    9.392569][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.392701][  T204]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.392840][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.392978][  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)
[    9.393111][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.393245][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.393378][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.393515][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.393650][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.393788][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.393953][  T204] RIP: 0033:0x7f833f63c08e
[    9.394098][  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
[    9.394574][  T204] RSP: 002b:00007ffddf50c500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.394791][  T204] RAX: ffffffffffffffda RBX: 00007ffddf50cc98 RCX: 00007f833f63c08e
[    9.394992][  T204] RDX: 0000000000000000 RSI: 00007ffddf50c5b0 RDI: 0000000000000005
[    9.395289][  T204] RBP: 00007ffddf50c510 R08: 0000000000000000 R09: 0000000000000000
[    9.395485][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e16f
[    9.395872][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddf50cc70
| [    9.429297][  T204] ------------[ cut here ]------------
| [    9.429452][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/204
| [    9.430558][  T204] Modules linked in:
| [    9.431061][  T204] Tainted: [W]=WARN
[    9.431164][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.431330][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.431624][  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
[    9.432097][  T204] RSP: 0018:ffa00000008c71b0 EFLAGS: 00010286
[    9.432266][  T204] RAX: 00000000ffffffa6 RBX: ff1100000c703540 RCX: 1ff4000000118dfc
[    9.432462][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7035fc
[    9.432777][  T204] RBP: ff1100000a47c000 R08: 1fe22000018e06c1 R09: ff1100000eb3d180
[    9.432974][  T204] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.433169][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e603b20
[    9.433368][  T204] FS:  00007f833f402840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[    9.433658][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.433832][  T204] CR2: 000000000042ebe0 CR3: 00000000112e1006 CR4: 0000000000771ef0
[    9.434031][  T204] PKRU: 55555554
[    9.434129][  T204] Call Trace:
[    9.434227][  T204]  <TASK>
[    9.434297][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.434431][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.434545][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[    9.434680][  T204]  ? netif_change_name (net/core/dev.c:1495)
[    9.434817][  T204]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.434950][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.435083][  T204]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.435216][  T204]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.435349][  T204]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.435481][  T204]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.435617][  T204]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.435769][  T204]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.435909][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.436043][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.436175][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.436307][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.436440][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.436578][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.436713][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.436850][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.436982][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.437115][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.437248][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.437381][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.437517][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.437649][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.437784][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.437918][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.438051][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.438186][  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))
[    9.438317][  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))
[    9.438450][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.438591][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.438724][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.438862][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.438996][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.439132][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.439266][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.439398][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.439535][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.439700][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[    9.439841][  T204]  ___sys_sendmsg (net/socket.c:2752)
[    9.439972][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.440104][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.440250][  T204]  __sys_sendmsg (net/socket.c:2784)
[    9.440382][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.440517][  T204]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.440651][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.440790][  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)
[    9.440925][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.441057][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.441189][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.441320][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.441452][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.441591][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.441757][  T204] RIP: 0033:0x7f833f63c08e
[    9.441903][  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
[    9.442374][  T204] RSP: 002b:00007ffddf50c500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.442579][  T204] RAX: ffffffffffffffda RBX: 00007ffddf50cc98 RCX: 00007f833f63c08e
[    9.442780][  T204] RDX: 0000000000000000 RSI: 00007ffddf50c5b0 RDI: 0000000000000005
[    9.442976][  T204] RBP: 00007ffddf50c510 R08: 0000000000000000 R09: 0000000000000000
[    9.443173][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e16f
[    9.443370][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddf50cc70
| [    9.501942][  T207] ------------[ cut here ]------------
| [    9.502128][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.502402][  T207] Modules linked in:
| [    9.502838][  T207] Tainted: [W]=WARN
[    9.502939][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.503103][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.503281][  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
[    9.503760][  T207] RSP: 0018:ffa0000000597a80 EFLAGS: 00010286
[    9.503932][  T207] RAX: 00000000ffffffa6 RBX: ff1100000d86ae40 RCX: 1ff40000000b2f16
[    9.504132][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d86aefc
[    9.504328][  T207] RBP: ff110000020bc000 R08: 1fe2200001b0d5e1 R09: ff1100000e31ae80
[    9.504556][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.504753][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000020bc000
[    9.504956][  T207] FS:  00007f0fcc8f7840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[    9.505191][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.505359][  T207] CR2: 00007f0fccb017d0 CR3: 000000000e051006 CR4: 0000000000771ef0
[    9.505562][  T207] PKRU: 55555554
[    9.505662][  T207] Call Trace:
[    9.505761][  T207]  <TASK>
[    9.505835][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.505974][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.506107][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.506207][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.506339][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.506509][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.506642][  T207]  register_netdev (net/core/dev.c:11552)
[    9.506777][  T207]  loopback_net_init (drivers/net/loopback.c:218)
[    9.506910][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.507010][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.507109][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.507238][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.507370][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.507507][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.507639][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.507777][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.507910][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.508041][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.508173][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.508302][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.508434][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.508571][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.508701][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.508838][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.508966][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.509099][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.509229][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.509392][  T207] RIP: 0033:0x7f0fccbb9bcb
[    9.509535][  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
[    9.510005][  T207] RSP: 002b:00007ffdb38b8188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.510201][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fccbb9bcb
[    9.510396][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.510599][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.510798][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb38ba3b0
[    9.510994][  T207] R13: 0000000000000001 R14: 00007f0fcc8f76f8 R15: 00007ffdb38bb86c
| [    9.515452][  T207] ------------[ cut here ]------------
| [    9.515600][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.515831][  T207] Modules linked in:
| [    9.516197][  T207] Tainted: [W]=WARN
[    9.516298][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.516460][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.516634][  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
[    9.517107][  T207] RSP: 0018:ffa0000000597918 EFLAGS: 00010286
[    9.517272][  T207] RAX: 00000000ffffffa6 RBX: ff11000009661380 RCX: 1ff40000000b2ee9
[    9.517466][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000966143c
[    9.517665][  T207] RBP: ff11000005269000 R08: 1fe22000012cc289 R09: ff1100000e31ae80
[    9.517865][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.518061][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005269000
[    9.518257][  T207] FS:  00007f0fcc8f7840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[    9.518490][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.518660][  T207] CR2: 00007f0fccb017d0 CR3: 000000000e051006 CR4: 0000000000771ef0
[    9.518860][  T207] PKRU: 55555554
[    9.518957][  T207] Call Trace:
[    9.519057][  T207]  <TASK>
[    9.519124][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.519255][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.519387][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.519487][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.519623][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.519791][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.519922][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.520052][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.520181][  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))
[    9.520314][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.520445][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.520585][  T207]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.520718][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.520824][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.520921][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.521050][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.521181][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.521312][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.521445][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.521580][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.521712][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.521846][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.521975][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.522103][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.522234][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.522367][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.522504][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.522635][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.522769][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.522903][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.523032][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.523193][  T207] RIP: 0033:0x7f0fccbb9bcb
[    9.523327][  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
[    9.523795][  T207] RSP: 002b:00007ffdb38b8188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.523989][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fccbb9bcb
[    9.524180][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.524373][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.524571][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb38ba3b0
[    9.524771][  T207] R13: 0000000000000001 R14: 00007f0fcc8f76f8 R15: 00007ffdb38bb86c
| [    9.529710][  T207] ------------[ cut here ]------------
| [    9.529852][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.530078][  T207] Modules linked in:
| [    9.530443][  T207] Tainted: [W]=WARN
[    9.531066][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.531235][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.531409][  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
[    9.531934][  T207] RSP: 0018:ffa00000005978f8 EFLAGS: 00010286
[    9.532100][  T207] RAX: 00000000ffffffa6 RBX: ff11000009660200 RCX: 1ff40000000b2ee5
[    9.532294][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096602bc
[    9.532489][  T207] RBP: ff1100000fb29000 R08: 1fe22000012cc059 R09: ff1100000e31ae80
[    9.532740][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.532938][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb29000
[    9.533135][  T207] FS:  00007f0fcc8f7840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[    9.533364][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.533586][  T207] CR2: 00007f0fccb017d0 CR3: 000000000e051006 CR4: 0000000000771ef0
[    9.533789][  T207] PKRU: 55555554
[    9.533886][  T207] Call Trace:
[    9.533983][  T207]  <TASK>
[    9.534052][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.534183][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.534314][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.534415][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.534602][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.534775][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.534909][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.535042][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.535173][  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))
[    9.535304][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.535434][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.535626][  T207]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.535818][  T207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.535953][  T207]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.536084][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.536185][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.536284][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.536414][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.536599][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.536733][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.536872][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.537004][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.537136][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.537266][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.537397][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.537584][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.537716][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.537854][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.537984][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.538113][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.538243][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.538373][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.538557][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.538719][  T207] RIP: 0033:0x7f0fccbb9bcb
[    9.538861][  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
[    9.539323][  T207] RSP: 002b:00007ffdb38b8188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.539576][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fccbb9bcb
[    9.539775][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.539971][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.540166][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb38ba3b0
[    9.540360][  T207] R13: 0000000000000001 R14: 00007f0fcc8f76f8 R15: 00007ffdb38bb86c
| [    9.544932][  T207] ------------[ cut here ]------------
| [    9.545065][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.545287][  T207] Modules linked in:
| [    9.545668][  T207] Tainted: [W]=WARN
[    9.545770][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.545934][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.546105][  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
[    9.546571][  T207] RSP: 0018:ffa0000000597a78 EFLAGS: 00010286
[    9.546743][  T207] RAX: 00000000ffffffa6 RBX: ff1100000d86bc40 RCX: 1ff40000000b2f15
[    9.546941][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d86bcfc
[    9.547138][  T207] RBP: ff110000058cc000 R08: 1fe2200001b0d7a1 R09: ff1100000e31ae80
[    9.547333][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.547537][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058cc000
[    9.547735][  T207] FS:  00007f0fcc8f7840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[    9.547972][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.548136][  T207] CR2: 00007f0fccb017d0 CR3: 000000000e051006 CR4: 0000000000771ef0
[    9.548332][  T207] PKRU: 55555554
[    9.548430][  T207] Call Trace:
[    9.548533][  T207]  <TASK>
[    9.548600][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.548731][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.548867][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.548966][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.549100][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.549261][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.549394][  T207]  register_netdev (net/core/dev.c:11552)
[    9.549529][  T207]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.549661][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.549761][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.549864][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.549992][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.550121][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.550253][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.550384][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.550526][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.550658][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.550792][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.550922][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.551051][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.551181][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.551313][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.551442][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.551576][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.551710][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.551845][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.551974][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.552133][  T207] RIP: 0033:0x7f0fccbb9bcb
[    9.552268][  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
[    9.552733][  T207] RSP: 002b:00007ffdb38b8188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.552934][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fccbb9bcb
[    9.553127][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.553319][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.553514][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb38ba3b0
[    9.553710][  T207] R13: 0000000000000001 R14: 00007f0fcc8f76f8 R15: 00007ffdb38bb86c
| [    9.558741][  T207] ------------[ cut here ]------------
| [    9.558881][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.559107][  T207] Modules linked in:
| [    9.559471][  T207] Tainted: [W]=WARN
[    9.559577][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.559743][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.559915][  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
[    9.560372][  T207] RSP: 0018:ffa0000000597a68 EFLAGS: 00010286
[    9.560540][  T207] RAX: 00000000ffffffa6 RBX: ff1100000d2798c0 RCX: 1ff40000000b2f13
[    9.560732][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d27997c
[    9.560931][  T207] RBP: ff11000007c99000 R08: 1fe2200001a4f331 R09: ff1100000e31ae80
[    9.561125][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.561319][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007c99000
[    9.561519][  T207] FS:  00007f0fcc8f7840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[    9.561745][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.561913][  T207] CR2: 00007f0fccb017d0 CR3: 000000000e051006 CR4: 0000000000771ef0
[    9.562110][  T207] PKRU: 55555554
[    9.562206][  T207] Call Trace:
[    9.562304][  T207]  <TASK>
[    9.562370][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.562505][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.562635][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.562732][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.562869][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.563032][  T207]  register_netdev (net/core/dev.c:11552)
[    9.563163][  T207]  sit_init_net (net/ipv6/sit.c:1860)
[    9.563296][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.563396][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.563495][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.563631][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.563762][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.563899][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.564029][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.564164][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.564294][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.564424][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.564560][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.564690][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.564826][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.564960][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.565091][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.565220][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.565350][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.565482][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.565618][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.565782][  T207] RIP: 0033:0x7f0fccbb9bcb
[    9.565916][  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
[    9.566379][  T207] RSP: 002b:00007ffdb38b8188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.566577][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fccbb9bcb
[    9.566773][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.566969][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.567161][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb38ba3b0
[    9.567355][  T207] R13: 0000000000000001 R14: 00007f0fcc8f76f8 R15: 00007ffdb38bb86c
| [    9.572141][  T207] ------------[ cut here ]------------
| [    9.572277][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.572506][  T207] Modules linked in:
| [    9.572925][  T207] Tainted: [W]=WARN
[    9.573025][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.573187][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.573358][  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
[    9.573833][  T207] RSP: 0018:ffa0000000597a78 EFLAGS: 00010286
[    9.573999][  T207] RAX: 00000000ffffffa6 RBX: ff11000009043000 RCX: 1ff40000000b2f15
[    9.574193][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000090430bc
[    9.574388][  T207] RBP: ff11000005911000 R08: 1fe2200001208619 R09: ff1100000e31ae80
[    9.574589][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.574790][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005911000
[    9.574988][  T207] FS:  00007f0fcc8f7840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[    9.575218][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.575381][  T207] CR2: 00007f0fccb017d0 CR3: 000000000e051006 CR4: 0000000000771ef0
[    9.575584][  T207] PKRU: 55555554
[    9.575681][  T207] Call Trace:
[    9.575781][  T207]  <TASK>
[    9.575848][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.575976][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.576104][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.576202][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.576337][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.576498][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.576635][  T207]  register_netdev (net/core/dev.c:11552)
[    9.576768][  T207]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.576900][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.576998][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.577097][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.577227][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.577356][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.577489][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.577625][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.577757][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.577892][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.578020][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.578150][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.578279][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.578409][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.578546][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.578676][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.578810][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.578939][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.579069][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.579200][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.579360][  T207] RIP: 0033:0x7f0fccbb9bcb
[    9.579496][  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
[    9.579968][  T207] RSP: 002b:00007ffdb38b8188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.580166][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0fccbb9bcb
[    9.580360][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.580559][  T207] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.580751][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb38ba3b0
[    9.580948][  T207] R13: 0000000000000001 R14: 00007f0fcc8f76f8 R15: 00007ffdb38bb86c
| [    9.614156][  T208] ------------[ cut here ]------------
| [    9.614316][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/208
| [    9.614569][  T208] Modules linked in:
| [    9.614958][  T208] Tainted: [W]=WARN
[    9.615056][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.615221][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.615394][  T208] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.615888][  T208] RSP: 0018:ffa0000000917020 EFLAGS: 00010286
[    9.616052][  T208] RAX: 00000000ffffffa6 RBX: ff11000010364740 RCX: 1ff4000000122dca
[    9.616245][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103647fc
[    9.616441][  T208] RBP: ff110000020bc000 R08: 1fe220000206c901 R09: ff1100000e318b58
[    9.616648][  T208] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.616849][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.617045][  T208] FS:  00007fd75c51e840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[    9.617282][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.617468][  T208] CR2: 000000003aba5988 CR3: 00000000112e1002 CR4: 0000000000771ef0
[    9.617672][  T208] PKRU: 55555554
[    9.617776][  T208] Call Trace:
[    9.617874][  T208]  <TASK>
[    9.617941][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.618072][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.618170][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.618300][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.618431][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.618569][  T208]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.618699][  T208]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.618834][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.618963][  T208]  ? 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))
[    9.619095][  T208]  netif_change_flags (net/core/dev.c:9820)
[    9.619224][  T208]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.619355][  T208]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.619486][  T208]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.619622][  T208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.619789][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.619917][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.620047][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.620175][  T208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.620309][  T208]  ? __kernel_text_address (kernel/extable.c:79)
[    9.620440][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.620578][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.620707][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.620843][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.620974][  T208]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.621103][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.621232][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.621363][  T208]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.621494][  T208]  ? __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)
[    9.621630][  T208]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.621761][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.621896][  T208]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.622030][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.622163][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.622294][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.622423][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.622558][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.622687][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.622821][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.622951][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.623079][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.623206][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.623338][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.623468][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.623604][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.623732][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.623864][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.623992][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.624122][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.624250][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.624381][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.624514][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.624644][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.624782][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.624911][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.625043][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.625174][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.625307][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.625437][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.625576][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.625709][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.625845][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.625977][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.626106][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.626268][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.626402][  T208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.626538][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.626669][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.626804][  T208]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.626967][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.627109][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.627241][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.627372][  T208]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.627543][  T208]  ? 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)
[    9.627674][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.627810][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.627941][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.628074][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.628207][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.628372][  T208] RIP: 0033:0x7fd75c75808e
[    9.628514][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.628984][  T208] RSP: 002b:00007ffd11256df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.629182][  T208] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd75c75808e
[    9.629378][  T208] RDX: 0000000000000000 RSI: 00007ffd11256ea0 RDI: 0000000000000005
[    9.629578][  T208] RBP: 00007ffd11256e00 R08: 0000000000000000 R09: 0000000000000000
[    9.629778][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e16f
[    9.629971][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd11257570
| [    9.780410][  T220] ------------[ cut here ]------------
| [    9.780628][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [    9.780920][  T220] Modules linked in:
| [    9.781389][  T220] Tainted: [W]=WARN
[    9.781550][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.781762][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.781995][  T220] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.782812][  T220] RSP: 0018:ffa00000005e7a80 EFLAGS: 00010286
[    9.783030][  T220] RAX: 00000000ffffffa6 RBX: ff1100000dbb5540 RCX: 1ff40000000bcf16
[    9.783274][  T220] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb55fc
[    9.783599][  T220] RBP: ff1100000edac000 R08: 1fe2200001b76ac1 R09: ff110000100fd180
[    9.783936][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.784263][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000edac000
[    9.784631][  T220] FS:  00007f2c47e5e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[    9.785030][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.785326][  T220] CR2: 000055941accf9d8 CR3: 0000000004b88003 CR4: 0000000000771ef0
[    9.785672][  T220] PKRU: 55555554
[    9.785913][  T220] Call Trace:
[    9.786160][  T220]  <TASK>
[    9.786365][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.786651][  T220]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.786939][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.787174][  T220]  register_netdevice (net/core/dev.c:11488)
[    9.787444][  T220]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.787779][  T220]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.788038][  T220]  register_netdev (net/core/dev.c:11552)
[    9.788295][  T220]  loopback_net_init (drivers/net/loopback.c:218)
[    9.788566][  T220]  ops_init (net/core/net_namespace.c:137)
[    9.788872][  T220]  setup_net (net/core/net_namespace.c:446)
[    9.789122][  T220]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.789391][  T220]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.789673][  T220]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.789962][  T220]  copy_net_ns (net/core/net_namespace.c:579)
[    9.790224][  T220]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.790520][  T220]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.790795][  T220]  ksys_unshare (kernel/fork.c:3243)
[    9.791074][  T220]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.791422][  T220]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.791701][  T220]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.791992][  T220]  ? __ia32_sys_open (fs/open.c:1374)
[    9.792250][  T220]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.792497][  T220]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.792689][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.792881][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.793063][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.793246][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.793458][  T220] RIP: 0033:0x7f2c48120bcb
[    9.793656][  T220] 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
[    9.794177][  T220] RSP: 002b:00007ffc9171be28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.794425][  T220] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c48120bcb
[    9.794680][  T220] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.794935][  T220] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.795180][  T220] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9171e050
[    9.795616][  T220] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9171e86c
| [    9.815381][  T220] ------------[ cut here ]------------
| [    9.815793][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [    9.816063][  T220] Modules linked in:
| [    9.816536][  T220] Tainted: [W]=WARN
[    9.816683][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.816904][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.817123][  T220] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.817639][  T220] RSP: 0018:ffa00000005e7918 EFLAGS: 00010286
[    9.817863][  T220] RAX: 00000000ffffffa6 RBX: ff1100000c348ac0 RCX: 1ff40000000bcee9
[    9.818102][  T220] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c348b7c
[    9.818340][  T220] RBP: ff1100000fbd9000 R08: 1fe2200001869171 R09: ff110000100fd180
[    9.818591][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.818843][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbd9000
[    9.819083][  T220] FS:  00007f2c47e5e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[    9.819355][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.819577][  T220] CR2: 000055941accf9d8 CR3: 0000000004b88003 CR4: 0000000000771ef0
[    9.819829][  T220] PKRU: 55555554
[    9.819976][  T220] Call Trace:
[    9.820119][  T220]  <TASK>
[    9.820234][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.820412][  T220]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.820602][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.820748][  T220]  register_netdevice (net/core/dev.c:11488)
[    9.820937][  T220]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.821146][  T220]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.821327][  T220]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.821518][  T220]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.821694][  T220]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.821879][  T220]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.822058][  T220]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.822236][  T220]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.822416][  T220]  ops_init (net/core/net_namespace.c:137)
[    9.822580][  T220]  setup_net (net/core/net_namespace.c:446)
[    9.822726][  T220]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.822910][  T220]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.823089][  T220]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.823269][  T220]  copy_net_ns (net/core/net_namespace.c:579)
[    9.823448][  T220]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.823640][  T220]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.823832][  T220]  ksys_unshare (kernel/fork.c:3243)
[    9.824011][  T220]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.824189][  T220]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.824365][  T220]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.824553][  T220]  ? __ia32_sys_open (fs/open.c:1374)
[    9.824733][  T220]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.824913][  T220]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.825089][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.825267][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.825443][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.825633][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.825846][  T220] RIP: 0033:0x7f2c48120bcb
[    9.826027][  T220] 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
[    9.826545][  T220] RSP: 002b:00007ffc9171be28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.826795][  T220] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c48120bcb
[    9.827035][  T220] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.827273][  T220] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.827527][  T220] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9171e050
[    9.827775][  T220] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9171e86c
| [    9.832054][  T220] ------------[ cut here ]------------
| [    9.832234][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [    9.832522][  T220] Modules linked in:
| [    9.832994][  T220] Tainted: [W]=WARN
[    9.833144][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.833355][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.833586][  T220] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.834108][  T220] RSP: 0018:ffa00000005e78f8 EFLAGS: 00010286
[    9.834322][  T220] RAX: 00000000ffffffa6 RBX: ff1100000c367a80 RCX: 1ff40000000bcee5
[    9.834578][  T220] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c367b3c
[    9.834828][  T220] RBP: ff1100000eb54000 R08: 1fe220000186cf69 R09: ff110000100fd180
[    9.835070][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.835315][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb54000
[    9.835572][  T220] FS:  00007f2c47e5e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[    9.835892][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.836112][  T220] CR2: 000055941accf9d8 CR3: 0000000004b88003 CR4: 0000000000771ef0
[    9.836362][  T220] PKRU: 55555554
[    9.836521][  T220] Call Trace:
[    9.836667][  T220]  <TASK>
[    9.836791][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.836974][  T220]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.837156][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.837305][  T220]  register_netdevice (net/core/dev.c:11488)
[    9.837485][  T220]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.837714][  T220]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.837907][  T220]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.838091][  T220]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.838269][  T220]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.838450][  T220]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.838644][  T220]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.838836][  T220]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.839019][  T220]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.839204][  T220]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.839384][  T220]  ops_init (net/core/net_namespace.c:137)
[    9.839547][  T220]  setup_net (net/core/net_namespace.c:446)
[    9.839696][  T220]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.839878][  T220]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.840057][  T220]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.840239][  T220]  copy_net_ns (net/core/net_namespace.c:579)
[    9.840424][  T220]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.840620][  T220]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.840808][  T220]  ksys_unshare (kernel/fork.c:3243)
[    9.840990][  T220]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.841168][  T220]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.841347][  T220]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.841542][  T220]  ? __ia32_sys_open (fs/open.c:1374)
[    9.841727][  T220]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.841914][  T220]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.842092][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.842270][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.842449][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.842641][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.842859][  T220] RIP: 0033:0x7f2c48120bcb
[    9.843045][  T220] 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
[    9.843570][  T220] RSP: 002b:00007ffc9171be28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.843824][  T220] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c48120bcb
[    9.844066][  T220] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.844311][  T220] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.844564][  T220] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9171e050
[    9.844815][  T220] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9171e86c
| [    9.849444][  T220] ------------[ cut here ]------------
| [    9.849631][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [    9.849908][  T220] Modules linked in:
| [    9.850367][  T220] Tainted: [W]=WARN
[    9.850526][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.850736][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.850964][  T220] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.851476][  T220] RSP: 0018:ffa00000005e7a78 EFLAGS: 00010286
[    9.851701][  T220] RAX: 00000000ffffffa6 RBX: ff1100000c366c80 RCX: 1ff40000000bcf15
[    9.851950][  T220] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c366d3c
[    9.852194][  T220] RBP: ff11000010081000 R08: 1fe220000186cda9 R09: ff110000100fd180
[    9.852436][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.852691][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010081000
[    9.852944][  T220] FS:  00007f2c47e5e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[    9.853220][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.853434][  T220] CR2: 000055941accf9d8 CR3: 0000000004b88003 CR4: 0000000000771ef0
[    9.853691][  T220] PKRU: 55555554
[    9.853847][  T220] Call Trace:
[    9.853992][  T220]  <TASK>
[    9.854107][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.854286][  T220]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.854465][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.854627][  T220]  register_netdevice (net/core/dev.c:11488)
[    9.854814][  T220]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.855022][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.855204][  T220]  register_netdev (net/core/dev.c:11552)
[    9.855382][  T220]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.855576][  T220]  ops_init (net/core/net_namespace.c:137)
[    9.855724][  T220]  setup_net (net/core/net_namespace.c:446)
[    9.855882][  T220]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.856057][  T220]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.856235][  T220]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.856414][  T220]  copy_net_ns (net/core/net_namespace.c:579)
[    9.856608][  T220]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.856795][  T220]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.856974][  T220]  ksys_unshare (kernel/fork.c:3243)
[    9.857155][  T220]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.857331][  T220]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.857523][  T220]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.857701][  T220]  ? __ia32_sys_open (fs/open.c:1374)
[    9.857892][  T220]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.858073][  T220]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.858251][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.858432][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.858621][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.858809][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.859018][  T220] RIP: 0033:0x7f2c48120bcb
[    9.859202][  T220] 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
[    9.859718][  T220] RSP: 002b:00007ffc9171be28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.859973][  T220] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c48120bcb
[    9.860214][  T220] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.860455][  T220] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.860714][  T220] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9171e050
[    9.860962][  T220] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9171e86c
| [    9.865614][  T220] ------------[ cut here ]------------
| [    9.865799][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [    9.866075][  T220] Modules linked in:
| [    9.866546][  T220] Tainted: [W]=WARN
[    9.866692][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.866912][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.867129][  T220] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.867651][  T220] RSP: 0018:ffa00000005e7a68 EFLAGS: 00010286
[    9.867876][  T220] RAX: 00000000ffffffa6 RBX: ff1100000a2b4200 RCX: 1ff40000000bcf13
[    9.868118][  T220] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b42bc
[    9.868358][  T220] RBP: ff11000009d34000 R08: 1fe2200001456859 R09: ff110000100fd180
[    9.868614][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.868865][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009d34000
[    9.869114][  T220] FS:  00007f2c47e5e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[    9.869388][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.869611][  T220] CR2: 000055941accf9d8 CR3: 0000000004b88003 CR4: 0000000000771ef0
[    9.869867][  T220] PKRU: 55555554
[    9.870012][  T220] Call Trace:
[    9.870161][  T220]  <TASK>
[    9.870276][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.870455][  T220]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.870686][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.870845][  T220]  register_netdevice (net/core/dev.c:11488)
[    9.871026][  T220]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.871239][  T220]  register_netdev (net/core/dev.c:11552)
[    9.871423][  T220]  sit_init_net (net/ipv6/sit.c:1860)
[    9.871618][  T220]  ops_init (net/core/net_namespace.c:137)
[    9.871774][  T220]  setup_net (net/core/net_namespace.c:446)
[    9.871921][  T220]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.872098][  T220]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.872277][  T220]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.872459][  T220]  copy_net_ns (net/core/net_namespace.c:579)
[    9.872653][  T220]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.872847][  T220]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.873025][  T220]  ksys_unshare (kernel/fork.c:3243)
[    9.873203][  T220]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.873382][  T220]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.873575][  T220]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.873755][  T220]  ? __ia32_sys_open (fs/open.c:1374)
[    9.873943][  T220]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.874123][  T220]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.874301][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.874480][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.874672][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.874861][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.875072][  T220] RIP: 0033:0x7f2c48120bcb
[    9.875260][  T220] 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
[    9.875791][  T220] RSP: 002b:00007ffc9171be28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.876034][  T220] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c48120bcb
[    9.876273][  T220] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.876531][  T220] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.876778][  T220] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9171e050
[    9.877017][  T220] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9171e86c
| [    9.891388][  T220] ------------[ cut here ]------------
| [    9.891578][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [    9.891857][  T220] Modules linked in:
| [    9.892324][  T220] Tainted: [W]=WARN
[    9.892470][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.892755][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.893001][  T220] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.893516][  T220] RSP: 0018:ffa00000005e7a78 EFLAGS: 00010286
[    9.893730][  T220] RAX: 00000000ffffffa6 RBX: ff1100000a2b0740 RCX: 1ff40000000bcf15
[    9.893982][  T220] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b07fc
[    9.894225][  T220] RBP: ff1100000e369000 R08: 1fe2200001456101 R09: ff110000100fd180
[    9.894477][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.894730][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e369000
[    9.894980][  T220] FS:  00007f2c47e5e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[    9.895258][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.895471][  T220] CR2: 000055941accf9d8 CR3: 0000000004b88003 CR4: 0000000000771ef0
[    9.895726][  T220] PKRU: 55555554
[    9.895879][  T220] Call Trace:
[    9.896023][  T220]  <TASK>
[    9.896138][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.896353][  T220]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.896544][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.896692][  T220]  register_netdevice (net/core/dev.c:11488)
[    9.896879][  T220]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.897087][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.897268][  T220]  register_netdev (net/core/dev.c:11552)
[    9.897445][  T220]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.897641][  T220]  ops_init (net/core/net_namespace.c:137)
[    9.897796][  T220]  setup_net (net/core/net_namespace.c:446)
[    9.897947][  T220]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.898123][  T220]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.898300][  T220]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.898480][  T220]  copy_net_ns (net/core/net_namespace.c:579)
[    9.898674][  T220]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.898868][  T220]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.899050][  T220]  ksys_unshare (kernel/fork.c:3243)
[    9.899229][  T220]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.899405][  T220]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.899595][  T220]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.899780][  T220]  ? __ia32_sys_open (fs/open.c:1374)
[    9.899961][  T220]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.900142][  T220]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.900319][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.900497][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.900687][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.900874][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.901080][  T220] RIP: 0033:0x7f2c48120bcb
[    9.901263][  T220] 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
[    9.901789][  T220] RSP: 002b:00007ffc9171be28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.902031][  T220] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c48120bcb
[    9.902271][  T220] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.902526][  T220] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.902774][  T220] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9171e050
[    9.903015][  T220] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9171e86c
| [    9.930991][  T223] ------------[ cut here ]------------
| [    9.931172][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [    9.931443][  T223] Modules linked in:
| [    9.932000][  T223] Tainted: [W]=WARN
[    9.932144][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.932357][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.932588][  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
[    9.933104][  T223] RSP: 0018:ffa0000000987020 EFLAGS: 00010286
[    9.933318][  T223] RAX: 00000000ffffffa6 RBX: ff1100000a2b5e00 RCX: 1ff4000000130dca
[    9.933636][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b5ebc
[    9.933931][  T223] RBP: ff1100000edac000 R08: 1fe2200001456bd9 R09: ff11000010075158
[    9.934259][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.934588][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.934922][  T223] FS:  00007f2b01ea9840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[    9.935276][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.935597][  T223] CR2: 00000000206a1988 CR3: 0000000004b88001 CR4: 0000000000771ef0
[    9.935898][  T223] PKRU: 55555554
[    9.936041][  T223] Call Trace:
[    9.936188][  T223]  <TASK>
[    9.936302][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.936482][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.936641][  T223]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.936827][  T223]  __dev_notify_flags (net/core/dev.c:9787)
[    9.937008][  T223]  ? netif_change_name (net/core/dev.c:1495)
[    9.937185][  T223]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.937363][  T223]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.937551][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.937730][  T223]  ? 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))
[    9.937914][  T223]  netif_change_flags (net/core/dev.c:9820)
[    9.938092][  T223]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.938271][  T223]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.938450][  T223]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.938645][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.938862][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.939038][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.939216][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.939394][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.939584][  T223]  ? __kernel_text_address (kernel/extable.c:79)
[    9.939763][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.939954][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.940132][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.940310][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.940488][  T223]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.940676][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.940861][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.941039][  T223]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.941219][  T223]  ? __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)
[    9.941397][  T223]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.941587][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.941775][  T223]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.941956][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.942137][  T223]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.942316][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.942493][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.942744][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.942930][  T223]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.943106][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.943286][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.943461][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.943652][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.943840][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.944019][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.944200][  T223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.944379][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.944570][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.944749][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.944940][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.945117][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.945296][  T223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.945473][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.945667][  T223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.945859][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.946040][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.946221][  T223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.946401][  T223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.946589][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.946776][  T223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.946959][  T223]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.947137][  T223]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.947318][  T223]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.947500][  T223]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.947687][  T223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.947904][  T223]  ? move_addr_to_kernel (net/socket.c:258)
[    9.948085][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.948267][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.948447][  T223]  ___sys_sendmsg (net/socket.c:2752)
[    9.948638][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.948857][  T223]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.949050][  T223]  __sys_sendmsg (net/socket.c:2784)
[    9.949229][  T223]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.949407][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.949636][  T223]  ? 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)
[    9.949821][  T223]  ? 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)
[    9.950002][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.950182][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.950360][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.950550][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.950730][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.950946][  T223] RIP: 0033:0x7f2b020e308e
[    9.951131][  T223] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.951650][  T223] RSP: 002b:00007ffed89f1dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.951903][  T223] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2b020e308e
[    9.952148][  T223] RDX: 0000000000000000 RSI: 00007ffed89f1e80 RDI: 0000000000000005
[    9.952386][  T223] RBP: 00007ffed89f1de0 R08: 0000000000000000 R09: 0000000000000000
[    9.952642][  T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e170
[    9.952891][  T223] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed89f2550
| [   10.111133][  T226] ------------[ cut here ]------------
| [   10.111362][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/226
| [   10.111904][  T226] Modules linked in:
| [   10.112453][  T226] Tainted: [W]=WARN
[   10.112612][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.112863][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.113118][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.113821][  T226] RSP: 0018:ffa00000009b6ff8 EFLAGS: 00010286
[   10.114067][  T226] RAX: 00000000ffffffa6 RBX: ff1100000a297a80 RCX: 1ff4000000136dc5
[   10.114365][  T226] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a297b3c
[   10.114663][  T226] RBP: ff1100000a47c000 R08: 1fe2200001452f69 R09: ff1100000e8ad158
[   10.114959][  T226] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.115250][  T226] R13: 0000000000000000 R14: ffa00000009b7140 R15: ff1100000eeace50
[   10.115554][  T226] FS:  00007efdcb423840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   10.115903][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.116146][  T226] CR2: 000000002f0af988 CR3: 0000000004d6c006 CR4: 0000000000771ef0
[   10.116438][  T226] PKRU: 55555554
[   10.116593][  T226] Call Trace:
[   10.116739][  T226]  <TASK>
[   10.116847][  T226]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.117048][  T226]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.117292][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.117488][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.117694][  T226]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.117940][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.118131][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.118328][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.118537][  T226]  ? 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))
[   10.118733][  T226]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.118932][  T226]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.119128][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.119327][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.119529][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.119773][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.119971][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.120163][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.120358][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.120561][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.120757][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.120961][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.121156][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.121350][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.121553][  T226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.121748][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.121947][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.122141][  T226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.122337][  T226]  ? __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)
[   10.122538][  T226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.122735][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.122936][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.123130][  T226]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.123328][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.123537][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.123734][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.123932][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.124126][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.124324][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.124523][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.124722][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.124921][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.125116][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.125312][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.125516][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.125714][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.125913][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.126108][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.126301][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.126497][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.126698][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.126898][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.127093][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.127288][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.127489][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.127690][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.127892][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.128088][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.128283][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.128480][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.128687][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.128889][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.129088][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.129283][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.129476][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.129724][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.129923][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.130119][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.130326][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.130524][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.130771][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.130990][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.131186][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.131378][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.131637][  T226]  ? 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)
[   10.131842][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.132037][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.132234][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.132429][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.132631][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.132876][  T226] RIP: 0033:0x7efdcb65d08e
[   10.133082][  T226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.133794][  T226] RSP: 002b:00007ffdb3c8d1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.134088][  T226] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdcb65d08e
[   10.134380][  T226] RDX: 0000000000000000 RSI: 00007ffdb3c8d280 RDI: 0000000000000005
[   10.134680][  T226] RBP: 00007ffdb3c8d1e0 R08: 0000000000000000 R09: 0000000000000000
[   10.134979][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e170
[   10.135271][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb3c8d940
| [   10.139602][  T226] ------------[ cut here ]------------
| [   10.139815][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/226
| [   10.140161][  T226] Modules linked in:
| [   10.140729][  T226] Tainted: [W]=WARN
[   10.140885][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.141134][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.141391][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.142112][  T226] RSP: 0018:ffa00000009b6fc0 EFLAGS: 00010286
[   10.142361][  T226] RAX: 00000000ffffffa6 RBX: ff1100001108c900 RCX: 1ff4000000136dbe
[   10.142665][  T226] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001108c9bc
[   10.142967][  T226] RBP: ff1100000a47c000 R08: 1fe2200002211939 R09: ff1100000e8ad158
[   10.143265][  T226] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.143570][  T226] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eeace50
[   10.143872][  T226] FS:  00007efdcb423840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   10.144215][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.144462][  T226] CR2: 000000002f0af988 CR3: 0000000004d6c006 CR4: 0000000000771ef0
[   10.144772][  T226] PKRU: 55555554
[   10.144921][  T226] Call Trace:
[   10.145068][  T226]  <TASK>
[   10.145171][  T226]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.145367][  T226]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.145575][  T226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.145729][  T226]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.145977][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.146170][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.146371][  T226]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.146620][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.146820][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.147016][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.147215][  T226]  ? 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))
[   10.147413][  T226]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.147618][  T226]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.147825][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.148026][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.148225][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.148471][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.148679][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.148880][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.149076][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.149273][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.149472][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.149681][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.149883][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.150084][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.150282][  T226]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.150480][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.150686][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.150889][  T226]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.151090][  T226]  ? __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)
[   10.151289][  T226]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.151490][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.151698][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.151896][  T226]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.152096][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.152297][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.152497][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.152701][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.152902][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.153099][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.153293][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.153494][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.153697][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.153899][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.154096][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.154294][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.154491][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.154694][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.154895][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.155091][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.155291][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.155486][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.155694][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.155894][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.156095][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.156300][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.156496][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.156705][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.156910][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.157109][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.157309][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.157517][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.157719][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.157925][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.158123][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.158320][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.158570][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.158770][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.158967][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.159169][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.159366][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.159618][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.159844][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.160042][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.160237][  T226]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.160488][  T226]  ? 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)
[   10.160694][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.160900][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.161097][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.161295][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.161493][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.161744][  T226] RIP: 0033:0x7efdcb65d08e
[   10.161954][  T226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.162664][  T226] RSP: 002b:00007ffdb3c8d1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.162966][  T226] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdcb65d08e
[   10.163261][  T226] RDX: 0000000000000000 RSI: 00007ffdb3c8d280 RDI: 0000000000000005
[   10.163566][  T226] RBP: 00007ffdb3c8d1e0 R08: 0000000000000000 R09: 0000000000000000
[   10.163868][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e170
[   10.164164][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb3c8d940
| [   10.197612][  T227] ------------[ cut here ]------------
| [   10.197793][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.198065][  T227] Modules linked in:
| [   10.198598][  T227] Tainted: [W]=WARN
[   10.198804][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.199064][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.199336][  T227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.199912][  T227] RSP: 0018:ffa00000009c7038 EFLAGS: 00010286
[   10.200197][  T227] RAX: 00000000ffffffa6 RBX: ff1100000a2b5380 RCX: 1ff4000000138dcd
[   10.200521][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b543c
[   10.200854][  T227] RBP: ff1100000a47c000 R08: 1fe2200001456a89 R09: ff1100000e8aae58
[   10.201149][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.201457][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   10.201759][  T227] FS:  00007f5ecf67a840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   10.202096][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.202310][  T227] CR2: 000000003acd1988 CR3: 000000000e332006 CR4: 0000000000771ef0
[   10.202555][  T227] PKRU: 55555554
[   10.202697][  T227] Call Trace:
[   10.202845][  T227]  <TASK>
[   10.202959][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.203133][  T227]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.203313][  T227]  notifier_call_chain (kernel/notifier.c:85)
[   10.203491][  T227]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   10.203682][  T227]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.203898][  T227]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.204074][  T227]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.204254][  T227]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   10.204431][  T227]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.204619][  T227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.204834][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.205007][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.205184][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.205359][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.205548][  T227]  ? __kernel_text_address (kernel/extable.c:79)
[   10.205725][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.205914][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.206090][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.206267][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.206442][  T227]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.206630][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.206812][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.206990][  T227]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.207166][  T227]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.207346][  T227]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.207537][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.207720][  T227]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.207904][  T227]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.208085][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.208265][  T227]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.208445][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.208637][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.208818][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.208993][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.209171][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.209353][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.209543][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.209721][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.209908][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.210089][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.210265][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.210441][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.210630][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.210814][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.210994][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.211169][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.211347][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.211538][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.211715][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.211904][  T227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.212078][  T227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.212256][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.212434][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.212621][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.212809][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.212988][  T227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.213165][  T227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.213343][  T227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.213535][  T227]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.213710][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.213922][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   10.214106][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.214283][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.214461][  T227]  ___sys_sendmsg (net/socket.c:2752)
[   10.214649][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.214864][  T227]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.215053][  T227]  __sys_sendmsg (net/socket.c:2784)
[   10.215233][  T227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.215408][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.215636][  T227]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.215816][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.215994][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.216171][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.216347][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.216538][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.216744][  T227] RIP: 0033:0x7f5ecf8b408e
[   10.216936][  T227] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.217435][  T227] RSP: 002b:00007ffec92612e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.217690][  T227] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5ecf8b408e
[   10.217938][  T227] RDX: 0000000000000000 RSI: 00007ffec9261390 RDI: 0000000000000005
[   10.218176][  T227] RBP: 00007ffec92612f0 R08: 0000000000000000 R09: 0000000000000000
[   10.218413][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e170
[   10.218665][  T227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec9261a60
| [   10.370985][  T231] ------------[ cut here ]------------
| [   10.371160][  T231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/231
| [   10.371395][  T231] Modules linked in:
| [   10.371782][  T231] Tainted: [W]=WARN
[   10.371881][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.372044][  T231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.372217][  T231] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.372684][  T231] RSP: 0018:ffa0000000a07020 EFLAGS: 00010286
[   10.372857][  T231] RAX: 00000000ffffffa6 RBX: ff1100001118e580 RCX: 1ff4000000140dca
[   10.373056][  T231] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001118e63c
[   10.373248][  T231] RBP: ff1100000a47c000 R08: 1fe2200002231cc9 R09: ff1100000ebd0b58
[   10.373446][  T231] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.373646][  T231] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.373848][  T231] FS:  00007fea7b6a5840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   10.374084][  T231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.374250][  T231] CR2: 000000002a7fa988 CR3: 000000000f83c006 CR4: 0000000000771ef0
[   10.374451][  T231] PKRU: 55555554
[   10.374556][  T231] Call Trace:
[   10.374654][  T231]  <TASK>
[   10.374722][  T231]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.374860][  T231]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.374961][  T231]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.375093][  T231]  __dev_notify_flags (net/core/dev.c:9787)
[   10.375229][  T231]  ? netif_change_name (net/core/dev.c:1495)
[   10.375360][  T231]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.375492][  T231]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.375629][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.375761][  T231]  ? 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))
[   10.375898][  T231]  netif_change_flags (net/core/dev.c:9820)
[   10.376031][  T231]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.376168][  T231]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.376305][  T231]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.376438][  T231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.377168][  T231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.377300][  T231]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.377429][  T231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.377573][  T231]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.377705][  T231]  ? __kernel_text_address (kernel/extable.c:79)
[   10.377843][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.377976][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.378105][  T231]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.378236][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.378368][  T231]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.378498][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.378638][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.378774][  T231]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.378907][  T231]  ? __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)
[   10.379039][  T231]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.379169][  T231]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.379300][  T231]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.379434][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.379574][  T231]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.379708][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.379841][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.379977][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.380106][  T231]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.380236][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.380369][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.380497][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.380636][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.380776][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.380908][  T231]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.381043][  T231]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.381172][  T231]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.381302][  T231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.381436][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.381574][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.381711][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.381849][  T231]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.381998][  T231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.382127][  T231]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.382266][  T231]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.382395][  T231]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.382533][  T231]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.382667][  T231]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.382803][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.382934][  T231]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.383064][  T231]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.383195][  T231]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.383330][  T231]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.383462][  T231]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.383599][  T231]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.383760][  T231]  ? move_addr_to_kernel (net/socket.c:258)
[   10.383897][  T231]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.384026][  T231]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.384157][  T231]  ___sys_sendmsg (net/socket.c:2752)
[   10.384286][  T231]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.384449][  T231]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.384599][  T231]  __sys_sendmsg (net/socket.c:2784)
[   10.384732][  T231]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.384871][  T231]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.385035][  T231]  ? 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)
[   10.385166][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.385297][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.385428][  T231]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.385569][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.385708][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.385875][  T231] RIP: 0033:0x7fea7b8df08e
[   10.386014][  T231] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.386479][  T231] RSP: 002b:00007ffc928deed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.386685][  T231] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fea7b8df08e
[   10.386886][  T231] RDX: 0000000000000000 RSI: 00007ffc928def80 RDI: 0000000000000005
[   10.387081][  T231] RBP: 00007ffc928deee0 R08: 0000000000000000 R09: 0000000000000000
[   10.387278][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e170
[   10.387480][  T231] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc928df650
| [   10.572079][  T235] ------------[ cut here ]------------
| [   10.572380][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/235
| [   10.572816][  T235] Modules linked in:
| [   10.573529][  T235] Tainted: [W]=WARN
[   10.573733][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.574048][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.574362][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.575149][  T235] RSP: 0018:ffa0000000a46ff8 EFLAGS: 00010286
[   10.575457][  T235] RAX: 00000000ffffffa6 RBX: ff1100000e038580 RCX: 1ff4000000148dc5
[   10.575931][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e03863c
[   10.576285][  T235] RBP: ff1100000a3e1000 R08: 1fe2200001c070c9 R09: ff1100000a5bae58
[   10.576665][  T235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.577023][  T235] R13: 0000000000000000 R14: ffa0000000a47140 R15: ff1100000ee966d0
[   10.577376][  T235] FS:  00007f3322e10840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   10.577798][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.578100][  T235] CR2: 00007f33230e01a0 CR3: 0000000004c0d002 CR4: 0000000000771ef0
[   10.578461][  T235] PKRU: 55555554
[   10.578683][  T235] Call Trace:
[   10.578901][  T235]  <TASK>
[   10.579063][  T235]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   10.579330][  T235]  __dev_change_net_namespace (net/core/dev.c:12635)
[   10.579654][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.579921][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.580184][  T235]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.580484][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.580752][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.581021][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.581278][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.581549][  T235]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.581811][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.582073][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.582329][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.582600][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.582916][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.583170][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.583410][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.583678][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.583948][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   10.584204][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.584465][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.584737][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.585004][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.585260][  T235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.585530][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.585793][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.586050][  T235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.586330][  T235]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.586606][  T235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.586875][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.587138][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.587392][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.587672][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.587953][  T235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.588214][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.588468][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.588742][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.589009][  T235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.589262][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.589538][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.589805][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.590067][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.590326][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.590602][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.590876][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.591136][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.591394][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.591667][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.591936][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.592186][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.592438][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.592710][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.592981][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.593251][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.593519][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.593787][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.594052][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.594309][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.594583][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.594851][  T235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.595115][  T235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.595377][  T235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.595651][  T235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.595924][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.596221][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   10.596481][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.596755][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.597021][  T235]  ___sys_sendmsg (net/socket.c:2752)
[   10.597270][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.597596][  T235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.597890][  T235]  __sys_sendmsg (net/socket.c:2784)
[   10.598148][  T235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.598398][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.598718][  T235]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.598983][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.599238][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.599489][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.599902][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.600163][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.600468][  T235] RIP: 0033:0x7f332304a08e
[   10.600753][  T235] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.601530][  T235] RSP: 002b:00007fff07736ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.601901][  T235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f332304a08e
[   10.602259][  T235] RDX: 0000000000000000 RSI: 00007fff07736b90 RDI: 0000000000000005
[   10.602633][  T235] RBP: 00007fff07736af0 R08: 0000000000000000 R09: 0000000000000000
[   10.602991][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e170
[   10.603347][  T235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff07737250
| [   10.618139][  T235] ------------[ cut here ]------------
| [   10.618394][  T235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/235
| [   10.618817][  T235] Modules linked in:
| [   10.619502][  T235] Tainted: [W]=WARN
[   10.619723][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.620041][  T235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.620359][  T235] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.621163][  T235] RSP: 0018:ffa0000000a46fc0 EFLAGS: 00010286
[   10.621471][  T235] RAX: 00000000ffffffa6 RBX: ff1100000e039380 RCX: 1ff4000000148dbe
[   10.621860][  T235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e03943c
[   10.622213][  T235] RBP: ff1100000a3e1000 R08: 1fe2200001c07289 R09: ff1100000a5bae58
[   10.622591][  T235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.622955][  T235] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ee966d0
[   10.623318][  T235] FS:  00007f3322e10840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   10.623750][  T235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.624071][  T235] CR2: 00007f33230e01a0 CR3: 0000000004c0d002 CR4: 0000000000771ef0
[   10.624427][  T235] PKRU: 55555554
[   10.624656][  T235] Call Trace:
[   10.624872][  T235]  <TASK>
[   10.625035][  T235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.625292][  T235]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.625564][  T235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.625783][  T235]  __dev_change_net_namespace (net/core/dev.c:12695)
[   10.626102][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.626354][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.626634][  T235]  ? default_device_exit_batch (net/core/dev.c:13091)
[   10.626952][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.627210][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.627473][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.627753][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.628019][  T235]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.628273][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   10.628554][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   10.628823][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.629081][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.629389][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.629665][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.629926][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.630182][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.630437][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   10.630708][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.630977][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.631232][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.631515][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.631778][  T235]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.632031][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.632285][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.632558][  T235]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.632822][  T235]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.633077][  T235]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.633333][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.633596][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.633864][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.634127][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.634389][  T235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.634664][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.634928][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.635189][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.635447][  T235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.635722][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.635994][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.636247][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.636521][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.636785][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.637042][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.637300][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.637583][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.637854][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.638118][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.638381][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.638654][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.638929][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.639185][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.639447][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.639736][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.639999][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.640259][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.640537][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.640799][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.641058][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.641319][  T235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.641601][  T235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.641875][  T235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.642137][  T235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.642390][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.642712][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   10.642982][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.643237][  T235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.643522][  T235]  ___sys_sendmsg (net/socket.c:2752)
[   10.643783][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.644090][  T235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.644370][  T235]  __sys_sendmsg (net/socket.c:2784)
[   10.644646][  T235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.644911][  T235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.645227][  T235]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.645495][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.645780][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.646038][  T235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.646293][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.646573][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.646892][  T235] RIP: 0033:0x7f332304a08e
[   10.647162][  T235] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.647959][  T235] RSP: 002b:00007fff07736ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.648319][  T235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f332304a08e
[   10.648700][  T235] RDX: 0000000000000000 RSI: 00007fff07736b90 RDI: 0000000000000005
[   10.649093][  T235] RBP: 00007fff07736af0 R08: 0000000000000000 R09: 0000000000000000
[   10.649434][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e170
[   10.649816][  T235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff07737250
| [   10.686325][  T236] ------------[ cut here ]------------
| [   10.686599][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/236
| [   10.687013][  T236] Modules linked in:
| [   10.687693][  T236] Tainted: [W]=WARN
[   10.687911][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.688224][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.688569][  T236] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.689353][  T236] RSP: 0018:ffa0000000a57038 EFLAGS: 00010286
[   10.689686][  T236] RAX: 00000000ffffffa6 RBX: ff1100000b0343c0 RCX: 1ff400000014adcd
[   10.690060][  T236] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b03447c
[   10.690419][  T236] RBP: ff1100000a3e1000 R08: 1fe2200001606891 R09: ff1100000f75d158
[   10.690794][  T236] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.691154][  T236] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   10.691531][  T236] FS:  00007f00f58dc840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   10.691951][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.692258][  T236] CR2: 0000000009135988 CR3: 000000000edff003 CR4: 0000000000771ef0
[   10.692642][  T236] PKRU: 55555554
[   10.692862][  T236] Call Trace:
[   10.693071][  T236]  <TASK>
[   10.693234][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.693490][  T236]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.693779][  T236]  notifier_call_chain (kernel/notifier.c:85)
[   10.694044][  T236]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   10.694312][  T236]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   10.694794][  T236]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.695256][  T236]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.695591][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   10.695869][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.696133][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.696439][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.696737][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.697009][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.697273][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.697554][  T236]  ? __kernel_text_address (kernel/extable.c:79)
[   10.697826][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.698092][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.698347][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.698622][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.698895][  T236]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.699158][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.699422][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.699702][  T236]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.699977][  T236]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.700245][  T236]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.700521][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.700793][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.701055][  T236]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.701323][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.701610][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.701882][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.702141][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.702395][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.702681][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.702951][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.703219][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.703521][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.703802][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.704064][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.704326][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.704600][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.704867][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.705131][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.705391][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.705671][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.705936][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.706202][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.706465][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.706741][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.707011][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.707268][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.707552][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.707823][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.708082][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.708343][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.708623][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.708897][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.709164][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.709422][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.709696][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.710011][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   10.710273][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.710545][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.710809][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   10.711071][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.711380][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.711681][  T236]  __sys_sendmsg (net/socket.c:2784)
[   10.711952][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.712210][  T236]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.712538][  T236]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.712798][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.713055][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.713308][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.713585][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.713852][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.714164][  T236] RIP: 0033:0x7f00f5b1608e
[   10.714435][  T236] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.715230][  T236] RSP: 002b:00007ffdd15f3420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.715601][  T236] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f00f5b1608e
[   10.715964][  T236] RDX: 0000000000000000 RSI: 00007ffdd15f34d0 RDI: 0000000000000005
[   10.716325][  T236] RBP: 00007ffdd15f3430 R08: 0000000000000000 R09: 0000000000000000
[   10.716692][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e170
[   10.717065][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd15f3ba0
| [   10.873996][  T240] ------------[ cut here ]------------
| [   10.874173][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/240
| [   10.874412][  T240] Modules linked in:
| [   10.874804][  T240] Tainted: [W]=WARN
[   10.874904][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.875079][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.875250][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.875724][  T240] RSP: 0018:ffa0000000a87020 EFLAGS: 00010286
[   10.875894][  T240] RAX: 00000000ffffffa6 RBX: ff11000009ae43c0 RCX: 1ff4000000150dca
[   10.876093][  T240] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ae447c
[   10.876286][  T240] RBP: ff1100000a3e1000 R08: 1fe220000135c891 R09: ff1100000e8e5158
[   10.876478][  T240] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   10.876741][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.876948][  T240] FS:  00007fcec1bf5840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   10.877177][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.877339][  T240] CR2: 0000000004f4f988 CR3: 000000001004f005 CR4: 0000000000771ef0
[   10.877613][  T240] PKRU: 55555554
[   10.877713][  T240] Call Trace:
[   10.877817][  T240]  <TASK>
[   10.877886][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.878020][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.878119][  T240]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.878249][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   10.878383][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   10.878567][  T240]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.878696][  T240]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.878891][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.879022][  T240]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.879154][  T240]  netif_change_flags (net/core/dev.c:9820)
[   10.879283][  T240]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.879415][  T240]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.879600][  T240]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.879735][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.879902][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.880032][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.880160][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.880288][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.880420][  T240]  ? __kernel_text_address (kernel/extable.c:79)
[   10.880607][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.880742][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.880877][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.881006][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.881144][  T240]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.881271][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.881401][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.881587][  T240]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.881718][  T240]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.881859][  T240]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.881988][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.882118][  T240]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.882251][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.882383][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.882571][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.882703][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.882838][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.882969][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.883097][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.883227][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.883356][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.883484][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.883671][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.883806][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.883940][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.884073][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.884206][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.884333][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.884466][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.884654][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.884788][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.884918][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.885053][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.885186][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.885314][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.885444][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.885630][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.885759][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.885896][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.886034][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.886166][  T240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.886304][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.886434][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.886620][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.886782][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   10.886914][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.887047][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.887177][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   10.887311][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.887471][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.887675][  T240]  __sys_sendmsg (net/socket.c:2784)
[   10.887810][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.887939][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.888103][  T240]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.888236][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.888368][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.888555][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.888687][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.888823][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.888984][  T240] RIP: 0033:0x7fcec1e2f08e
[   10.889122][  T240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.889657][  T240] RSP: 002b:00007ffe91c9a9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.889857][  T240] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcec1e2f08e
[   10.890050][  T240] RDX: 0000000000000000 RSI: 00007ffe91c9aa60 RDI: 0000000000000005
[   10.890248][  T240] RBP: 00007ffe91c9a9c0 R08: 0000000000000000 R09: 0000000000000000
[   10.890440][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e171
[   10.890691][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe91c9b130
| [   10.893669][  T205] ------------[ cut here ]------------
| [   10.893964][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/205
| [   10.894379][  T205] Modules linked in:
| [   10.895487][  T205] Tainted: [W]=WARN
[   10.895870][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.896232][  T205] Workqueue: events_unbound linkwatch_event
[   10.896630][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.896957][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.897740][  T205] RSP: 0018:ffa00000009079e0 EFLAGS: 00010286
[   10.898071][  T205] RAX: 00000000ffffffa6 RBX: ff11000009ae5000 RCX: 1ff4000000120f02
[   10.898421][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ae50bc
[   10.898799][  T205] RBP: ff1100000a3e1000 R08: 1fe220000135ca19 R09: ff1100000e12d1a8
[   10.899151][  T205] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.899572][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.899925][  T205] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   10.900331][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.900651][  T205] CR2: 00007f0fd556e000 CR3: 0000000058f4d004 CR4: 0000000000771ef0
[   10.901005][  T205] PKRU: 55555554
[   10.901202][  T205] Call Trace:
[   10.901402][  T205]  <TASK>
[   10.901580][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.901850][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.902112][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.902323][  T205]  netif_state_change (net/core/dev.c:1605)
[   10.902598][  T205]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.902917][  T205]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.903176][  T205]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.903435][  T205]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.903719][  T205]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.903984][  T205]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.904247][  T205]  process_one_work (kernel/workqueue.c:3314)
[   10.904539][  T205]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.904804][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.905077][  T205]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.905335][  T205]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.905602][  T205]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.905868][  T205]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.906125][  T205]  kthread (kernel/kthread.c:436)
[   10.906331][  T205]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.906658][  T205]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.906926][  T205]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.907186][  T205]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.907494][  T205]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.907780][  T205]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.908046][  T205]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.911246][  T205] ------------[ cut here ]------------
| [   10.911386][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/205
| [   10.911652][  T205] Modules linked in:
| [   10.912040][  T205] Tainted: [W]=WARN
[   10.912129][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.912278][  T205] Workqueue: events_unbound linkwatch_event
[   10.912439][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.912604][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.913034][  T205] RSP: 0018:ffa00000009079e0 EFLAGS: 00010286
[   10.913182][  T205] RAX: 00000000ffffffa6 RBX: ff11000009ae58c0 RCX: 1ff4000000120f02
[   10.913371][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ae597c
[   10.913574][  T205] RBP: ff1100000a47c000 R08: 1fe220000135cb31 R09: ff1100000e12d1a8
[   10.913758][  T205] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.913942][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.914124][  T205] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   10.914330][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.914479][  T205] CR2: 0000000004f4f988 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   10.914662][  T205] PKRU: 55555554
[   10.914751][  T205] Call Trace:
[   10.914846][  T205]  <TASK>
[   10.914910][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.915029][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.915147][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.915240][  T205]  netif_state_change (net/core/dev.c:1605)
[   10.915359][  T205]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.915514][  T205]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.915634][  T205]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.915755][  T205]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.915882][  T205]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.916002][  T205]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.916124][  T205]  process_one_work (kernel/workqueue.c:3314)
[   10.916247][  T205]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.916367][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.916491][  T205]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.916619][  T205]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.916737][  T205]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.916864][  T205]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.916983][  T205]  kthread (kernel/kthread.c:436)
[   10.917073][  T205]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.917222][  T205]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.917342][  T205]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.917468][  T205]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.917622][  T205]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.917743][  T205]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.917873][  T205]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.141835][  T245] ------------[ cut here ]------------
| [   11.142001][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/245
| [   11.142234][  T245] Modules linked in:
| [   11.142629][  T245] Tainted: [W]=WARN
[   11.142729][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.142902][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.143075][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.143547][  T245] RSP: 0018:ffa0000000ad7a80 EFLAGS: 00010286
[   11.143714][  T245] RAX: 00000000ffffffa6 RBX: ff1100000dbb1e00 RCX: 1ff400000015af16
[   11.143916][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb1ebc
[   11.144113][  T245] RBP: ff1100000f449000 R08: 1fe2200001b763d9 R09: ff1100000ff62e80
[   11.144306][  T245] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.144505][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f449000
[   11.144701][  T245] FS:  00007fc95829d840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   11.144937][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.145106][  T245] CR2: 00007fccc714e000 CR3: 0000000004c8b006 CR4: 0000000000771ef0
[   11.145304][  T245] PKRU: 55555554
[   11.145401][  T245] Call Trace:
[   11.145510][  T245]  <TASK>
[   11.145579][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.145712][  T245]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.145853][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.145952][  T245]  register_netdevice (net/core/dev.c:11488)
[   11.146085][  T245]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.146246][  T245]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.146377][  T245]  register_netdev (net/core/dev.c:11552)
[   11.146513][  T245]  loopback_net_init (drivers/net/loopback.c:218)
[   11.146645][  T245]  ops_init (net/core/net_namespace.c:137)
[   11.146746][  T245]  setup_net (net/core/net_namespace.c:446)
[   11.146851][  T245]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.146980][  T245]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.147111][  T245]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.147244][  T245]  copy_net_ns (net/core/net_namespace.c:579)
[   11.147382][  T245]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.147518][  T245]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.147649][  T245]  ksys_unshare (kernel/fork.c:3243)
[   11.147784][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.147916][  T245]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.148045][  T245]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.148211][  T245]  ? __ia32_sys_open (fs/open.c:1374)
[   11.148343][  T245]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.148473][  T245]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.148608][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.148744][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.148884][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.149014][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.149175][  T245] RIP: 0033:0x7fc95855fbcb
[   11.149315][  T245] 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
[   11.149791][  T245] RSP: 002b:00007fffe414d278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.149987][  T245] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc95855fbcb
[   11.150182][  T245] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.150375][  T245] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.150575][  T245] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe414f4a0
[   11.150776][  T245] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4150867
| [   11.154988][  T245] ------------[ cut here ]------------
| [   11.155129][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/245
| [   11.155356][  T245] Modules linked in:
| [   11.155727][  T245] Tainted: [W]=WARN
[   11.155836][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.156004][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.156175][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.156645][  T245] RSP: 0018:ffa0000000ad7918 EFLAGS: 00010286
[   11.156817][  T245] RAX: 00000000ffffffa6 RBX: ff1100000d16c580 RCX: 1ff400000015aee9
[   11.157010][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d16c63c
[   11.157206][  T245] RBP: ff1100000a721000 R08: 1fe2200001a2d8c9 R09: ff1100000ff62e80
[   11.157399][  T245] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.157602][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a721000
[   11.157802][  T245] FS:  00007fc95829d840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   11.158031][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.158194][  T245] CR2: 00007fccc714e000 CR3: 0000000004c8b006 CR4: 0000000000771ef0
[   11.158392][  T245] PKRU: 55555554
[   11.158490][  T245] Call Trace:
[   11.158597][  T245]  <TASK>
[   11.158665][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.158801][  T245]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.158933][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.159032][  T245]  register_netdevice (net/core/dev.c:11488)
[   11.159164][  T245]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.159328][  T245]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.159460][  T245]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.159596][  T245]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.159727][  T245]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.159868][  T245]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.160001][  T245]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.160133][  T245]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.160266][  T245]  ops_init (net/core/net_namespace.c:137)
[   11.160370][  T245]  setup_net (net/core/net_namespace.c:446)
[   11.160474][  T245]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.160609][  T245]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.160741][  T245]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.160883][  T245]  copy_net_ns (net/core/net_namespace.c:579)
[   11.161016][  T245]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.161149][  T245]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.161282][  T245]  ksys_unshare (kernel/fork.c:3243)
[   11.161413][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.161548][  T245]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.161679][  T245]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.161816][  T245]  ? __ia32_sys_open (fs/open.c:1374)
[   11.161951][  T245]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.162080][  T245]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.162210][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.162338][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.162470][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.162607][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.162772][  T245] RIP: 0033:0x7fc95855fbcb
[   11.162909][  T245] 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
[   11.163379][  T245] RSP: 002b:00007fffe414d278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.163586][  T245] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc95855fbcb
[   11.163782][  T245] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.163977][  T245] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.164174][  T245] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe414f4a0
[   11.164368][  T245] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4150867
| [   11.168335][  T245] ------------[ cut here ]------------
| [   11.168479][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/245
| [   11.168718][  T245] Modules linked in:
| [   11.169091][  T245] Tainted: [W]=WARN
[   11.169195][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.169359][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.169538][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.170023][  T245] RSP: 0018:ffa0000000ad78f8 EFLAGS: 00010286
[   11.170188][  T245] RAX: 00000000ffffffa6 RBX: ff11000011355540 RCX: 1ff400000015aee5
[   11.170386][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000113555fc
[   11.170592][  T245] RBP: ff11000005ee9000 R08: 1fe220000226aac1 R09: ff1100000ff62e80
[   11.170798][  T245] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.170997][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005ee9000
[   11.171197][  T245] FS:  00007fc95829d840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   11.171430][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.171607][  T245] CR2: 00007fccc714e000 CR3: 0000000004c8b006 CR4: 0000000000771ef0
[   11.171819][  T245] PKRU: 55555554
[   11.171919][  T245] Call Trace:
[   11.172019][  T245]  <TASK>
[   11.172089][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.172223][  T245]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.172356][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.172458][  T245]  register_netdevice (net/core/dev.c:11488)
[   11.172599][  T245]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.172764][  T245]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.172903][  T245]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.173037][  T245]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.173174][  T245]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.173309][  T245]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.173442][  T245]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.173580][  T245]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.173713][  T245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.173854][  T245]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.173986][  T245]  ops_init (net/core/net_namespace.c:137)
[   11.174088][  T245]  setup_net (net/core/net_namespace.c:446)
[   11.174188][  T245]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.174318][  T245]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.174455][  T245]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.174597][  T245]  copy_net_ns (net/core/net_namespace.c:579)
[   11.174734][  T245]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.174874][  T245]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.175006][  T245]  ksys_unshare (kernel/fork.c:3243)
[   11.175229][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.175368][  T245]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.175507][  T245]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.175641][  T245]  ? __ia32_sys_open (fs/open.c:1374)
[   11.175871][  T245]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.176001][  T245]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.176131][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.176261][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.176478][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.176615][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.176781][  T245] RIP: 0033:0x7fc95855fbcb
[   11.176918][  T245] 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
[   11.177481][  T245] RSP: 002b:00007fffe414d278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.177775][  T245] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc95855fbcb
[   11.177974][  T245] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.178169][  T245] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.178454][  T245] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe414f4a0
[   11.178655][  T245] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4150867
| [   11.183377][  T245] ------------[ cut here ]------------
| [   11.183523][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/245
| [   11.183748][  T245] Modules linked in:
| [   11.184208][  T245] Tainted: [W]=WARN
[   11.184307][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.184469][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.184734][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.185292][  T245] RSP: 0018:ffa0000000ad7a78 EFLAGS: 00010286
[   11.185457][  T245] RAX: 00000000ffffffa6 RBX: ff11000011354740 RCX: 1ff400000015af15
[   11.185657][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000113547fc
[   11.185948][  T245] RBP: ff1100000b551000 R08: 1fe220000226a901 R09: ff1100000ff62e80
[   11.186143][  T245] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.186338][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b551000
[   11.186626][  T245] FS:  00007fc95829d840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   11.186862][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.187111][  T245] CR2: 00007fccc714e000 CR3: 0000000004c8b006 CR4: 0000000000771ef0
[   11.187307][  T245] PKRU: 55555554
[   11.187404][  T245] Call Trace:
[   11.187511][  T245]  <TASK>
[   11.187579][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.187798][  T245]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.187931][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.188029][  T245]  register_netdevice (net/core/dev.c:11488)
[   11.188160][  T245]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.188403][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.188546][  T245]  register_netdev (net/core/dev.c:11552)
[   11.188673][  T245]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.188810][  T245]  ops_init (net/core/net_namespace.c:137)
[   11.188993][  T245]  setup_net (net/core/net_namespace.c:446)
[   11.189091][  T245]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.189219][  T245]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.189349][  T245]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.189570][  T245]  copy_net_ns (net/core/net_namespace.c:579)
[   11.189702][  T245]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.189840][  T245]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.189972][  T245]  ksys_unshare (kernel/fork.c:3243)
[   11.190187][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.190317][  T245]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.190446][  T245]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.190581][  T245]  ? __ia32_sys_open (fs/open.c:1374)
[   11.190804][  T245]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.190934][  T245]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.191062][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.191192][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.191407][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.191542][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.191703][  T245] RIP: 0033:0x7fc95855fbcb
[   11.191842][  T245] 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
[   11.192397][  T245] RSP: 002b:00007fffe414d278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.192595][  T245] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc95855fbcb
[   11.192798][  T245] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.192992][  T245] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.193276][  T245] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe414f4a0
[   11.193473][  T245] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4150867
| [   11.198283][  T245] ------------[ cut here ]------------
| [   11.198425][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/245
| [   11.198663][  T245] Modules linked in:
| [   11.199120][  T245] Tainted: [W]=WARN
[   11.199218][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.199382][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.199831][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.200293][  T245] RSP: 0018:ffa0000000ad7a68 EFLAGS: 00010286
[   11.200460][  T245] RAX: 00000000ffffffa6 RBX: ff1100000d16d8c0 RCX: 1ff400000015af13
[   11.200710][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d16d97c
[   11.200966][  T245] RBP: ff1100000a43c000 R08: 1fe2200001a2db31 R09: ff1100000ff62e80
[   11.201160][  T245] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.201353][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a43c000
[   11.201608][  T245] FS:  00007fc95829d840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   11.201840][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.202000][  T245] CR2: 00007fccc714e000 CR3: 0000000004c8b006 CR4: 0000000000771ef0
[   11.202195][  T245] PKRU: 55555554
[   11.202308][  T245] Call Trace:
[   11.202407][  T245]  <TASK>
[   11.202474][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.202659][  T245]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.202795][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.202893][  T245]  register_netdevice (net/core/dev.c:11488)
[   11.203022][  T245]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.203184][  T245]  register_netdev (net/core/dev.c:11552)
[   11.203398][  T245]  sit_init_net (net/ipv6/sit.c:1860)
[   11.203585][  T245]  ops_init (net/core/net_namespace.c:137)
[   11.203685][  T245]  setup_net (net/core/net_namespace.c:446)
[   11.203788][  T245]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.203915][  T245]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.204042][  T245]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.204172][  T245]  copy_net_ns (net/core/net_namespace.c:579)
[   11.204386][  T245]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.204575][  T245]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.204704][  T245]  ksys_unshare (kernel/fork.c:3243)
[   11.204841][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.204969][  T245]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.205097][  T245]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.205225][  T245]  ? __ia32_sys_open (fs/open.c:1374)
[   11.205442][  T245]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.205629][  T245]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.205755][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.205889][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.206018][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.206147][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.206389][  T245] RIP: 0033:0x7fc95855fbcb
[   11.206581][  T245] 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
[   11.207043][  T245] RSP: 002b:00007fffe414d278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.207243][  T245] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc95855fbcb
[   11.207578][  T245] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.207775][  T245] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.207966][  T245] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe414f4a0
[   11.208158][  T245] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4150867
| [   11.226332][  T245] ------------[ cut here ]------------
| [   11.226599][  T245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/245
| [   11.227010][  T245] Modules linked in:
| [   11.227706][  T245] Tainted: [W]=WARN
[   11.227919][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.228228][  T245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.228563][  T245] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.229335][  T245] RSP: 0018:ffa0000000ad7a78 EFLAGS: 00010286
[   11.229658][  T245] RAX: 00000000ffffffa6 RBX: ff110000111e2c80 RCX: 1ff400000015af15
[   11.230016][  T245] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111e2d3c
[   11.230371][  T245] RBP: ff1100000a4fc000 R08: 1fe220000223c5a9 R09: ff1100000ff62e80
[   11.230742][  T245] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.231117][  T245] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a4fc000
[   11.231483][  T245] FS:  00007fc95829d840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   11.231916][  T245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.232223][  T245] CR2: 00007fc95849ec20 CR3: 0000000004c8b006 CR4: 0000000000771ef0
[   11.232607][  T245] PKRU: 55555554
[   11.232820][  T245] Call Trace:
[   11.233026][  T245]  <TASK>
[   11.233186][  T245]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.233447][  T245]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.233724][  T245]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.233943][  T245]  register_netdevice (net/core/dev.c:11488)
[   11.234206][  T245]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.234530][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.234803][  T245]  register_netdev (net/core/dev.c:11552)
[   11.235064][  T245]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.235327][  T245]  ops_init (net/core/net_namespace.c:137)
[   11.235556][  T245]  setup_net (net/core/net_namespace.c:446)
[   11.235768][  T245]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.236036][  T245]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.236294][  T245]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.236575][  T245]  copy_net_ns (net/core/net_namespace.c:579)
[   11.236838][  T245]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.237100][  T245]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.237359][  T245]  ksys_unshare (kernel/fork.c:3243)
[   11.237635][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.237903][  T245]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.238166][  T245]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.238424][  T245]  ? __ia32_sys_open (fs/open.c:1374)
[   11.238704][  T245]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.238979][  T245]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.239240][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.239495][  T245]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.239776][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.240033][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.240321][  T245] RIP: 0033:0x7fc95855fbcb
[   11.240594][  T245] 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
[   11.241366][  T245] RSP: 002b:00007fffe414d278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.241742][  T245] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc95855fbcb
[   11.242115][  T245] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.242478][  T245] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.242857][  T245] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffe414f4a0
[   11.243210][  T245] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffe4150867
| [   11.296978][  T246] ------------[ cut here ]------------
| [   11.297266][  T246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/246
| [   11.297697][  T246] Modules linked in:
| [   11.298409][  T246] Tainted: [W]=WARN
[   11.298808][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.299209][  T246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.299687][  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
[   11.300591][  T246] RSP: 0018:ffa0000000ae7020 EFLAGS: 00010286
[   11.300915][  T246] RAX: 00000000ffffffa6 RBX: ff110000111e23c0 RCX: 1ff400000015cdca
[   11.301282][  T246] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111e247c
[   11.301662][  T246] RBP: ff1100000f449000 R08: 1fe220000223c491 R09: ff1100000e365158
[   11.302038][  T246] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.302395][  T246] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.302777][  T246] FS:  00007f0eb0d23840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   11.303191][  T246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.303524][  T246] CR2: 0000000006c9f988 CR3: 00000000112ca002 CR4: 0000000000771ef0
[   11.303898][  T246] PKRU: 55555554
[   11.304105][  T246] Call Trace:
[   11.304317][  T246]  <TASK>
[   11.304481][  T246]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.304764][  T246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.304987][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.305247][  T246]  __dev_notify_flags (net/core/dev.c:9787)
[   11.305531][  T246]  ? netif_change_name (net/core/dev.c:1495)
[   11.305799][  T246]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.306060][  T246]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.306317][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.306594][  T246]  ? 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))
[   11.306871][  T246]  netif_change_flags (net/core/dev.c:9820)
[   11.307136][  T246]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.307403][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.307682][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.307957][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.308276][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.308553][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.308824][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.309091][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.309351][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   11.309627][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.309907][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.310172][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.310441][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.310721][  T246]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.310991][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.311234][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.311495][  T246]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.311786][  T246]  ? __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)
[   11.312042][  T246]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.312302][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.312573][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.312839][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.313110][  T246]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.313368][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.313640][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.313917][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.314177][  T246]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.314442][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.314723][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.314983][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.315249][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.315526][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.315798][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.316061][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.316331][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.316608][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.316879][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.317150][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.317415][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.317695][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.317966][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.318226][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.318491][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.318767][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.319039][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.319306][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.319587][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.319867][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.320132][  T246]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.320395][  T246]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.320671][  T246]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.320946][  T246]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.321210][  T246]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.321543][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   11.321814][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.322080][  T246]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.322346][  T246]  ___sys_sendmsg (net/socket.c:2752)
[   11.322619][  T246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.322933][  T246]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.323217][  T246]  __sys_sendmsg (net/socket.c:2784)
[   11.323479][  T246]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.323758][  T246]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.324087][  T246]  ? 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)
[   11.324347][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.324622][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.324891][  T246]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.325153][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.325423][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.325755][  T246] RIP: 0033:0x7f0eb0f5d08e
[   11.326036][  T246] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.326829][  T246] RSP: 002b:00007ffe24bc3a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.327178][  T246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0eb0f5d08e
[   11.327561][  T246] RDX: 0000000000000000 RSI: 00007ffe24bc3b20 RDI: 0000000000000005
[   11.327937][  T246] RBP: 00007ffe24bc3a80 R08: 0000000000000000 R09: 0000000000000000
[   11.328302][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e171
[   11.328690][  T246] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe24bc41f0
| [   11.464801][  T250] ------------[ cut here ]------------
| [   11.464965][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/250
| [   11.465203][  T250] Modules linked in:
| [   11.465596][  T250] Tainted: [W]=WARN
[   11.465696][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.465879][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.466051][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.466517][  T250] RSP: 0018:ffa0000000b17a80 EFLAGS: 00010286
[   11.466686][  T250] RAX: 00000000ffffffa6 RBX: ff1100000dbb0e40 RCX: 1ff4000000162f16
[   11.466883][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb0efc
[   11.467076][  T250] RBP: ff1100000a57c000 R08: 1fe2200001b761e1 R09: ff1100000fbeae80
[   11.467267][  T250] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.467458][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a57c000
[   11.467659][  T250] FS:  00007fc81cfa1840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   11.467896][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.468075][  T250] CR2: 00007fc81d1a8430 CR3: 000000000e238003 CR4: 0000000000771ef0
[   11.468272][  T250] PKRU: 55555554
[   11.468370][  T250] Call Trace:
[   11.468468][  T250]  <TASK>
[   11.468546][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.468677][  T250]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.468816][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.468914][  T250]  register_netdevice (net/core/dev.c:11488)
[   11.469045][  T250]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.469207][  T250]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.469337][  T250]  register_netdev (net/core/dev.c:11552)
[   11.469465][  T250]  loopback_net_init (drivers/net/loopback.c:218)
[   11.469607][  T250]  ops_init (net/core/net_namespace.c:137)
[   11.469707][  T250]  setup_net (net/core/net_namespace.c:446)
[   11.469808][  T250]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.469936][  T250]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.470068][  T250]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.470200][  T250]  copy_net_ns (net/core/net_namespace.c:579)
[   11.470329][  T250]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.470461][  T250]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.470597][  T250]  ksys_unshare (kernel/fork.c:3243)
[   11.470729][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.470865][  T250]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.470992][  T250]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.471123][  T250]  ? __ia32_sys_open (fs/open.c:1374)
[   11.471256][  T250]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.471386][  T250]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.471522][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.471652][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.471788][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.471917][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.472080][  T250] RIP: 0033:0x7fc81d263bcb
[   11.472221][  T250] 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
[   11.472751][  T250] RSP: 002b:00007fff9e41fee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.472953][  T250] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc81d263bcb
[   11.473147][  T250] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.473341][  T250] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.473593][  T250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9e422110
[   11.473822][  T250] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9e423867
| [   11.478040][  T250] ------------[ cut here ]------------
| [   11.478179][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/250
| [   11.478409][  T250] Modules linked in:
| [   11.478785][  T250] Tainted: [W]=WARN
[   11.478883][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.479048][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.479218][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.479687][  T250] RSP: 0018:ffa0000000b17918 EFLAGS: 00010286
[   11.479862][  T250] RAX: 00000000ffffffa6 RBX: ff1100000c4f0040 RCX: 1ff4000000162ee9
[   11.480061][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4f00fc
[   11.480262][  T250] RBP: ff1100000fee9000 R08: 1fe220000189e021 R09: ff1100000fbeae80
[   11.480456][  T250] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.480657][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fee9000
[   11.480861][  T250] FS:  00007fc81cfa1840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   11.481089][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.481256][  T250] CR2: 00007fc81d1a8430 CR3: 000000000e238003 CR4: 0000000000771ef0
[   11.481464][  T250] PKRU: 55555554
[   11.481566][  T250] Call Trace:
[   11.481663][  T250]  <TASK>
[   11.481732][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.481865][  T250]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.481995][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.482093][  T250]  register_netdevice (net/core/dev.c:11488)
[   11.482225][  T250]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.482391][  T250]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.483036][  T250]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.483165][  T250]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.483293][  T250]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.483427][  T250]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.483612][  T250]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.483744][  T250]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.483890][  T250]  ops_init (net/core/net_namespace.c:137)
[   11.483989][  T250]  setup_net (net/core/net_namespace.c:446)
[   11.484087][  T250]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.484214][  T250]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.484344][  T250]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.484476][  T250]  copy_net_ns (net/core/net_namespace.c:579)
[   11.484668][  T250]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.484811][  T250]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.484940][  T250]  ksys_unshare (kernel/fork.c:3243)
[   11.485071][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.485200][  T250]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.485328][  T250]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.485456][  T250]  ? __ia32_sys_open (fs/open.c:1374)
[   11.485643][  T250]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.485780][  T250]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.485912][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.486039][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.486169][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.486296][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.486453][  T250] RIP: 0033:0x7fc81d263bcb
[   11.486646][  T250] 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
[   11.487111][  T250] RSP: 002b:00007fff9e41fee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.487303][  T250] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc81d263bcb
[   11.487493][  T250] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.487744][  T250] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.487939][  T250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9e422110
[   11.488131][  T250] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9e423867
| [   11.492253][  T250] ------------[ cut here ]------------
| [   11.492393][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/250
| [   11.493013][  T250] Modules linked in:
| [   11.493391][  T250] Tainted: [W]=WARN
[   11.493491][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.493660][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.493834][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.494305][  T250] RSP: 0018:ffa0000000b178f8 EFLAGS: 00010286
[   11.494470][  T250] RAX: 00000000ffffffa6 RBX: ff1100000c703c40 RCX: 1ff4000000162ee5
[   11.494669][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c703cfc
[   11.494870][  T250] RBP: ff1100000e879000 R08: 1fe22000018e07a1 R09: ff1100000fbeae80
[   11.495068][  T250] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.495269][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e879000
[   11.495477][  T250] FS:  00007fc81cfa1840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   11.495710][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.495879][  T250] CR2: 00007fc81d1a8430 CR3: 000000000e238003 CR4: 0000000000771ef0
[   11.496084][  T250] PKRU: 55555554
[   11.496182][  T250] Call Trace:
[   11.496281][  T250]  <TASK>
[   11.496350][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.496482][  T250]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.496624][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.496726][  T250]  register_netdevice (net/core/dev.c:11488)
[   11.496869][  T250]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.497035][  T250]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.497169][  T250]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.497301][  T250]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.497433][  T250]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.497571][  T250]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.497702][  T250]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.497841][  T250]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.497978][  T250]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.498113][  T250]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.498250][  T250]  ops_init (net/core/net_namespace.c:137)
[   11.498352][  T250]  setup_net (net/core/net_namespace.c:446)
[   11.498452][  T250]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.498589][  T250]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.498722][  T250]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.498865][  T250]  copy_net_ns (net/core/net_namespace.c:579)
[   11.498997][  T250]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.499134][  T250]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.499267][  T250]  ksys_unshare (kernel/fork.c:3243)
[   11.499403][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.499541][  T250]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.499679][  T250]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.499816][  T250]  ? __ia32_sys_open (fs/open.c:1374)
[   11.500039][  T250]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.500167][  T250]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.500296][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.500424][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.500645][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.500780][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.500945][  T250] RIP: 0033:0x7fc81d263bcb
[   11.501083][  T250] 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
[   11.501640][  T250] RSP: 002b:00007fff9e41fee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.502013][  T250] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc81d263bcb
[   11.502214][  T250] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.502406][  T250] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.502688][  T250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9e422110
[   11.502888][  T250] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9e423867
| [   11.512940][  T250] ------------[ cut here ]------------
| [   11.513079][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/250
| [   11.513315][  T250] Modules linked in:
| [   11.513683][  T250] Tainted: [W]=WARN
[   11.513787][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.513952][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.514128][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.514592][  T250] RSP: 0018:ffa0000000b17a78 EFLAGS: 00010286
[   11.514754][  T250] RAX: 00000000ffffffa6 RBX: ff1100000dbb0c80 RCX: 1ff4000000162f15
[   11.514955][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb0d3c
[   11.515151][  T250] RBP: ff11000009bb1000 R08: 1fe2200001b761a9 R09: ff1100000fbeae80
[   11.515343][  T250] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.515540][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bb1000
[   11.515737][  T250] FS:  00007fc81cfa1840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   11.515971][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.516133][  T250] CR2: 00007fc81d1a8430 CR3: 000000000e238003 CR4: 0000000000771ef0
[   11.516328][  T250] PKRU: 55555554
[   11.516425][  T250] Call Trace:
[   11.516525][  T250]  <TASK>
[   11.516593][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.516730][  T250]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.516865][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.516965][  T250]  register_netdevice (net/core/dev.c:11488)
[   11.517097][  T250]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.517256][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.517387][  T250]  register_netdev (net/core/dev.c:11552)
[   11.517519][  T250]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.517653][  T250]  ops_init (net/core/net_namespace.c:137)
[   11.517754][  T250]  setup_net (net/core/net_namespace.c:446)
[   11.517857][  T250]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.517986][  T250]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.518116][  T250]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.518247][  T250]  copy_net_ns (net/core/net_namespace.c:579)
[   11.518376][  T250]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.518521][  T250]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.518651][  T250]  ksys_unshare (kernel/fork.c:3243)
[   11.518785][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.518916][  T250]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.519044][  T250]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.519175][  T250]  ? __ia32_sys_open (fs/open.c:1374)
[   11.519308][  T250]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.519438][  T250]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.519636][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.519766][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.519902][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.520031][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.520191][  T250] RIP: 0033:0x7fc81d263bcb
[   11.520326][  T250] 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
[   11.520856][  T250] RSP: 002b:00007fff9e41fee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.521049][  T250] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc81d263bcb
[   11.521243][  T250] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.521440][  T250] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.521693][  T250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9e422110
[   11.521894][  T250] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9e423867
| [   11.528280][  T250] ------------[ cut here ]------------
| [   11.528552][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/250
| [   11.528971][  T250] Modules linked in:
| [   11.529722][  T250] Tainted: [W]=WARN
[   11.529935][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.530238][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.530583][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.531383][  T250] RSP: 0018:ffa0000000b17a68 EFLAGS: 00010286
[   11.531713][  T250] RAX: 00000000ffffffa6 RBX: ff1100000dbb5000 RCX: 1ff4000000162f13
[   11.532088][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb50bc
[   11.532457][  T250] RBP: ff1100000e3c4000 R08: 1fe2200001b76a19 R09: ff1100000fbeae80
[   11.532846][  T250] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.533208][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e3c4000
[   11.533583][  T250] FS:  00007fc81cfa1840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   11.534000][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.534305][  T250] CR2: 00007ff5d6bdc2a0 CR3: 000000000e238002 CR4: 0000000000771ef0
[   11.534691][  T250] PKRU: 55555554
[   11.534912][  T250] Call Trace:
[   11.535120][  T250]  <TASK>
[   11.535281][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.535556][  T250]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.535822][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.536038][  T250]  register_netdevice (net/core/dev.c:11488)
[   11.536305][  T250]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.536640][  T250]  register_netdev (net/core/dev.c:11552)
[   11.536913][  T250]  sit_init_net (net/ipv6/sit.c:1860)
[   11.537179][  T250]  ops_init (net/core/net_namespace.c:137)
[   11.537392][  T250]  setup_net (net/core/net_namespace.c:446)
[   11.537617][  T250]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.537881][  T250]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.538145][  T250]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.538410][  T250]  copy_net_ns (net/core/net_namespace.c:579)
[   11.538693][  T250]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.538972][  T250]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.539234][  T250]  ksys_unshare (kernel/fork.c:3243)
[   11.539495][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.539769][  T250]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.540037][  T250]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.540287][  T250]  ? __ia32_sys_open (fs/open.c:1374)
[   11.540565][  T250]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.540835][  T250]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.541094][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.541358][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.541639][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.541914][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.542229][  T250] RIP: 0033:0x7fc81d263bcb
[   11.542514][  T250] 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
[   11.543301][  T250] RSP: 002b:00007fff9e41fee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.543685][  T250] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc81d263bcb
[   11.544057][  T250] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.544413][  T250] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.544796][  T250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9e422110
[   11.545161][  T250] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9e423867
| [   11.553356][  T250] ------------[ cut here ]------------
| [   11.553622][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/250
| [   11.554040][  T250] Modules linked in:
| [   11.554749][  T250] Tainted: [W]=WARN
[   11.554969][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.555285][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.555627][  T250] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.556419][  T250] RSP: 0018:ffa0000000b17a78 EFLAGS: 00010286
[   11.556748][  T250] RAX: 00000000ffffffa6 RBX: ff1100000c4f1700 RCX: 1ff4000000162f15
[   11.557125][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4f17bc
[   11.557496][  T250] RBP: ff1100000bc49000 R08: 1fe220000189e2f9 R09: ff1100000fbeae80
[   11.557880][  T250] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.558234][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bc49000
[   11.558620][  T250] FS:  00007fc81cfa1840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   11.559054][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.559364][  T250] CR2: 00007ff5d6bdc2a0 CR3: 000000000e238002 CR4: 0000000000771ef0
[   11.559742][  T250] PKRU: 55555554
[   11.559958][  T250] Call Trace:
[   11.560158][  T250]  <TASK>
[   11.560318][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.560594][  T250]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.560864][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.561081][  T250]  register_netdevice (net/core/dev.c:11488)
[   11.561346][  T250]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.561672][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.561951][  T250]  register_netdev (net/core/dev.c:11552)
[   11.562214][  T250]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.562475][  T250]  ops_init (net/core/net_namespace.c:137)
[   11.562709][  T250]  setup_net (net/core/net_namespace.c:446)
[   11.562935][  T250]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.563195][  T250]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.563455][  T250]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.563735][  T250]  copy_net_ns (net/core/net_namespace.c:579)
[   11.564007][  T250]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.564269][  T250]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.564547][  T250]  ksys_unshare (kernel/fork.c:3243)
[   11.564813][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.565076][  T250]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.565339][  T250]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.565620][  T250]  ? __ia32_sys_open (fs/open.c:1374)
[   11.565892][  T250]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.566152][  T250]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.566413][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.566719][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.566986][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.567250][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.567573][  T250] RIP: 0033:0x7fc81d263bcb
[   11.567868][  T250] 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
[   11.568682][  T250] RSP: 002b:00007fff9e41fee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.569056][  T250] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc81d263bcb
[   11.569407][  T250] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.569784][  T250] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.570157][  T250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff9e422110
[   11.570533][  T250] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9e423867
| [   11.601562][  T251] ------------[ cut here ]------------
| [   11.601707][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/251
| [   11.601944][  T251] Modules linked in:
| [   11.602306][  T251] Tainted: [W]=WARN
[   11.602403][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.602572][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.602741][  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
[   11.603201][  T251] RSP: 0018:ffa0000000b27020 EFLAGS: 00010286
[   11.603363][  T251] RAX: 00000000ffffffa6 RBX: ff1100000d8e2200 RCX: 1ff4000000164dca
[   11.603561][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8e22bc
[   11.603753][  T251] RBP: ff1100000a57c000 R08: 1fe2200001b1c459 R09: ff1100000fbe8b58
[   11.603948][  T251] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.604137][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.604330][  T251] FS:  00007f85e5b2f840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   11.604561][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.604720][  T251] CR2: 0000000009145988 CR3: 000000000cdcf003 CR4: 0000000000771ef0
[   11.604921][  T251] PKRU: 55555554
[   11.605017][  T251] Call Trace:
[   11.605112][  T251]  <TASK>
[   11.605178][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.605310][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.605409][  T251]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.605540][  T251]  __dev_notify_flags (net/core/dev.c:9787)
[   11.605669][  T251]  ? netif_change_name (net/core/dev.c:1495)
[   11.605802][  T251]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.605931][  T251]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.606056][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.606185][  T251]  ? 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))
[   11.606318][  T251]  netif_change_flags (net/core/dev.c:9820)
[   11.606446][  T251]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.606577][  T251]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.606708][  T251]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.606840][  T251]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.607001][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.607130][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.607257][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.607385][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.607518][  T251]  ? __kernel_text_address (kernel/extable.c:79)
[   11.607647][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.607781][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.607910][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.608039][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.608166][  T251]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.608292][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.608419][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.608550][  T251]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.608678][  T251]  ? __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)
[   11.608811][  T251]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.608946][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.609075][  T251]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.609206][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.609336][  T251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.609465][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.609598][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.609729][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.609872][  T251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.610001][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.610130][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.610256][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.610383][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.610516][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.610645][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.610776][  T251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.610905][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.611032][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.611158][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.611288][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.611416][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.611553][  T251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.611681][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.611817][  T251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.611950][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.612077][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.612209][  T251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.612437][  T251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.612572][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.612702][  T251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.612838][  T251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.613050][  T251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.613182][  T251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.613312][  T251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.613440][  T251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.613688][  T251]  ? move_addr_to_kernel (net/socket.c:258)
[   11.613826][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.613954][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.614083][  T251]  ___sys_sendmsg (net/socket.c:2752)
[   11.614299][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.614458][  T251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.614604][  T251]  __sys_sendmsg (net/socket.c:2784)
[   11.614733][  T251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.614949][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.615110][  T251]  ? 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)
[   11.615240][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.615371][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.615594][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.615723][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.615854][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.616097][  T251] RIP: 0033:0x7f85e5d6908e
[   11.616234][  T251] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.616788][  T251] RSP: 002b:00007ffcc10c55f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.616981][  T251] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f85e5d6908e
[   11.617178][  T251] RDX: 0000000000000000 RSI: 00007ffcc10c56a0 RDI: 0000000000000005
[   11.617457][  T251] RBP: 00007ffcc10c5600 R08: 0000000000000000 R09: 0000000000000000
[   11.617658][  T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e171
[   11.617940][  T251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc10c5d70
| [   11.818404][  T256] ------------[ cut here ]------------
| [   11.818579][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/256
| [   11.818828][  T256] Modules linked in:
| [   11.819260][  T256] Tainted: [W]=WARN
[   11.819367][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.819549][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.819726][  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
[   11.820210][  T256] RSP: 0018:ffa0000000b66e30 EFLAGS: 00010286
[   11.820379][  T256] RAX: 00000000ffffffa6 RBX: ff1100000d279c40 RCX: 1ff400000016cd8c
[   11.820587][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d279cfc
[   11.820793][  T256] RBP: ff11000002941000 R08: 1fe2200001a4f3a1 R09: ff1100000a5bd180
[   11.820994][  T256] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.821193][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000db92380
[   11.821397][  T256] FS:  00007fb5fcbde840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   11.821640][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.821816][  T256] CR2: 000000000042ebe0 CR3: 000000000cad3006 CR4: 0000000000771ef0
[   11.822019][  T256] PKRU: 55555554
[   11.822120][  T256] Call Trace:
[   11.822220][  T256]  <TASK>
[   11.822292][  T256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.822428][  T256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.822535][  T256]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.822703][  T256]  __dev_notify_flags (net/core/dev.c:9787)
[   11.822845][  T256]  ? netif_change_name (net/core/dev.c:1495)
[   11.822978][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.823112][  T256]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.823251][  T256]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.823387][  T256]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.823528][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.823664][  T256]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.823810][  T256]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.823943][  T256]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.824077][  T256]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.824216][  T256]  veth_newlink (drivers/net/veth.c:1871)
[   11.824351][  T256]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.824489][  T256]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.824630][  T256]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.824763][  T256]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.824919][  T256]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.825053][  T256]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.825196][  T256]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.825332][  T256]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.825469][  T256]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.825609][  T256]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.825745][  T256]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.825884][  T256]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.826018][  T256]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.826164][  T256]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.826304][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.826441][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.826580][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.826714][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.826850][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.826984][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.827124][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.827262][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.827395][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.827534][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.827667][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.827807][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.827943][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.828076][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.828211][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.828351][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.828485][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.828627][  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))
[   11.828765][  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))
[   11.828907][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.829041][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.829175][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.829310][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.829447][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.829600][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.829737][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.829875][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.830009][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.830179][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.830320][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   11.830458][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.830599][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.830747][  T256]  ? 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))
[   11.830886][  T256]  __sys_sendmsg (net/socket.c:2784)
[   11.831021][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.831165][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.831300][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.831438][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.831579][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.831714][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.831850][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.832016][  T256] RIP: 0033:0x7fb5fce1808e
[   11.832159][  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
[   11.832640][  T256] RSP: 002b:00007fff1fe81b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.832851][  T256] RAX: ffffffffffffffda RBX: 00007fff1fe82318 RCX: 00007fb5fce1808e
[   11.833051][  T256] RDX: 0000000000000000 RSI: 00007fff1fe81c20 RDI: 0000000000000005
[   11.833249][  T256] RBP: 00007fff1fe81b80 R08: 0000000000000000 R09: 0000000000000000
[   11.833451][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e172
[   11.833658][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1fe822f0
| [   11.841095][  T256] ------------[ cut here ]------------
| [   11.841238][  T256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/256
| [   11.841470][  T256] Modules linked in:
| [   11.842219][  T256] Tainted: [W]=WARN
[   11.842320][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.842486][  T256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.842669][  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
[   11.843146][  T256] RSP: 0018:ffa0000000b671b0 EFLAGS: 00010286
[   11.843314][  T256] RAX: 00000000ffffffa6 RBX: ff11000010365540 RCX: 1ff400000016cdfc
[   11.843515][  T256] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103655fc
[   11.843712][  T256] RBP: ff11000005179000 R08: 1fe220000206cac1 R09: ff1100000a5bd180
[   11.843922][  T256] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.844121][  T256] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e603b20
[   11.844322][  T256] FS:  00007fb5fcbde840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   11.844560][  T256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.844727][  T256] CR2: 000000000042ebe0 CR3: 000000000cad3006 CR4: 0000000000771ef0
[   11.844939][  T256] PKRU: 55555554
[   11.845039][  T256] Call Trace:
[   11.845140][  T256]  <TASK>
[   11.845209][  T256]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.845346][  T256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.845450][  T256]  __dev_notify_flags (net/core/dev.c:9787)
[   11.845591][  T256]  ? netif_change_name (net/core/dev.c:1495)
[   11.845727][  T256]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.845868][  T256]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.846005][  T256]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.846141][  T256]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.846277][  T256]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.846410][  T256]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.846551][  T256]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.846690][  T256]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.846834][  T256]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.846970][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.847104][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.847238][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.847371][  T256]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.847509][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.847646][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.847786][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.847927][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.848060][  T256]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.848192][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.848331][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.848465][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.848604][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.848736][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.848876][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.849011][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.849148][  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))
[   11.849281][  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))
[   11.849416][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.849555][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.849688][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.849828][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.849964][  T256]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.850098][  T256]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.850236][  T256]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.850369][  T256]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.850508][  T256]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.850673][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.850813][  T256]  ___sys_sendmsg (net/socket.c:2752)
[   11.850944][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.851083][  T256]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.851227][  T256]  ? 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))
[   11.851364][  T256]  __sys_sendmsg (net/socket.c:2784)
[   11.851498][  T256]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.851641][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.851784][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.851920][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.852058][  T256]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.852193][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.852327][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.852492][  T256] RIP: 0033:0x7fb5fce1808e
[   11.852637][  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
[   11.853117][  T256] RSP: 002b:00007fff1fe81b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.853319][  T256] RAX: ffffffffffffffda RBX: 00007fff1fe82318 RCX: 00007fb5fce1808e
[   11.853522][  T256] RDX: 0000000000000000 RSI: 00007fff1fe81c20 RDI: 0000000000000005
[   11.853722][  T256] RBP: 00007fff1fe81b80 R08: 0000000000000000 R09: 0000000000000000
[   11.853929][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e172
[   11.854134][  T256] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1fe822f0
| [   11.934238][  T257] ------------[ cut here ]------------
| [   11.934553][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/257
| [   11.934970][  T257] Modules linked in:
| [   11.935668][  T257] Tainted: [W]=WARN
[   11.935885][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.936192][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.936530][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.937307][  T257] RSP: 0018:ffa0000000b76ff8 EFLAGS: 00010286
[   11.937634][  T257] RAX: 00000000ffffffa6 RBX: ff11000010365000 RCX: 1ff400000016edc5
[   11.938000][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103650bc
[   11.938352][  T257] RBP: ff11000002941000 R08: 1fe220000206ca19 R09: ff1100000e320b58
[   11.938736][  T257] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.939096][  T257] R13: 0000000000000000 R14: ffa0000000b77140 R15: ff1100000c626350
[   11.939448][  T257] FS:  00007fa0dfc31840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   11.939877][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.940183][  T257] CR2: 00007fa0dff011a0 CR3: 000000000e238002 CR4: 0000000000771ef0
[   11.940550][  T257] PKRU: 55555554
[   11.940754][  T257] Call Trace:
[   11.940967][  T257]  <TASK>
[   11.941126][  T257]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   11.941384][  T257]  __dev_change_net_namespace (net/core/dev.c:12635)
[   11.941703][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.941968][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.942231][  T257]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.942550][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.942813][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.943071][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.943325][  T257]  ? 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))
[   11.943599][  T257]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.943869][  T257]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   11.944131][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.944391][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.944662][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.945012][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.945269][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.945543][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.945810][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.946070][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   11.946326][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.946605][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.946868][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.947122][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.947379][  T257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.947652][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.947923][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.948180][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.948436][  T257]  ? __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)
[   11.948706][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.948972][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.949229][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.949481][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.949763][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.950034][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.950295][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.950561][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.950823][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.951077][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.951335][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.951610][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.951877][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.952137][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.952396][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.952669][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.952935][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.953193][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.953446][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.953716][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.953987][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.954237][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.954493][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.954770][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.955037][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.955303][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.955571][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.955847][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.956111][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.956368][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.956643][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.956919][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.957178][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.957439][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.957711][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.957979][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.958283][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   11.958559][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.958822][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.959086][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   11.959341][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.959662][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.959951][  T257]  __sys_sendmsg (net/socket.c:2784)
[   11.960215][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.960471][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.960806][  T257]  ? 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)
[   11.961064][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.961324][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.961595][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.961863][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.962121][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.962426][  T257] RIP: 0033:0x7fa0dfe6b08e
[   11.962710][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.963488][  T257] RSP: 002b:00007ffd654c49f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.963867][  T257] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa0dfe6b08e
[   11.964218][  T257] RDX: 0000000000000000 RSI: 00007ffd654c4aa0 RDI: 0000000000000005
[   11.964594][  T257] RBP: 00007ffd654c4a00 R08: 0000000000000000 R09: 0000000000000000
[   11.964963][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e172
[   11.965328][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd654c5170
| [   11.970147][  T257] ------------[ cut here ]------------
| [   11.970398][  T257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/257
| [   11.970829][  T257] Modules linked in:
| [   11.971554][  T257] Tainted: [W]=WARN
[   11.971767][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.972081][  T257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.972402][  T257] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.973207][  T257] RSP: 0018:ffa0000000b76fc0 EFLAGS: 00010286
[   11.973537][  T257] RAX: 00000000ffffffa6 RBX: ff1100000963eac0 RCX: 1ff400000016edbe
[   11.973898][  T257] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000963eb7c
[   11.974263][  T257] RBP: ff11000002941000 R08: 1fe22000012c7d71 R09: ff1100000e320b58
[   11.974643][  T257] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.975015][  T257] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c626350
[   11.975375][  T257] FS:  00007fa0dfc31840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   11.975813][  T257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.976125][  T257] CR2: 00007fa0dff011a0 CR3: 000000000e238002 CR4: 0000000000771ef0
[   11.976490][  T257] PKRU: 55555554
[   11.976718][  T257] Call Trace:
[   11.976935][  T257]  <TASK>
[   11.977095][  T257]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.977350][  T257]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.977622][  T257]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.977838][  T257]  __dev_change_net_namespace (net/core/dev.c:12695)
[   11.978145][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.978403][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.978690][  T257]  ? default_device_exit_batch (net/core/dev.c:13091)
[   11.979018][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.979274][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.979549][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.979814][  T257]  ? 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))
[   11.980070][  T257]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.980333][  T257]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   11.980619][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   11.980889][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.981144][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.981452][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.981724][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.981988][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.982248][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.982523][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   11.982790][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.983050][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.983307][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.983591][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.983865][  T257]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.984122][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.984382][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.984649][  T257]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.984918][  T257]  ? __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)
[   11.985176][  T257]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.985433][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.985708][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.985979][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.986250][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.986537][  T257]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.986807][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.987067][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.987328][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.987602][  T257]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.987872][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.988136][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.988392][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.988671][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.988937][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.989194][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.989454][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.989727][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.989995][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.990247][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.990527][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.990791][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.991058][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.991317][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.991599][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.991876][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.992134][  T257]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.992398][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.992668][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.992935][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.993197][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.993458][  T257]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.993735][  T257]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.994006][  T257]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.994263][  T257]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.994540][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.994853][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   11.995117][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.995375][  T257]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.995650][  T257]  ___sys_sendmsg (net/socket.c:2752)
[   11.995913][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.996221][  T257]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.996527][  T257]  __sys_sendmsg (net/socket.c:2784)
[   11.996791][  T257]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.997050][  T257]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.997363][  T257]  ? 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)
[   11.997639][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.997909][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.998174][  T257]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.998441][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.998718][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.999037][  T257] RIP: 0033:0x7fa0dfe6b08e
[   11.999306][  T257] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.000112][  T257] RSP: 002b:00007ffd654c49f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.000475][  T257] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa0dfe6b08e
[   12.000866][  T257] RDX: 0000000000000000 RSI: 00007ffd654c4aa0 RDI: 0000000000000005
[   12.001236][  T257] RBP: 00007ffd654c4a00 R08: 0000000000000000 R09: 0000000000000000
[   12.001612][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e172
[   12.001984][  T257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd654c5170
| [   12.095076][  T260] ------------[ cut here ]------------
| [   12.095242][  T260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/260
| [   12.095477][  T260] Modules linked in:
| [   12.095865][  T260] Tainted: [W]=WARN
[   12.095964][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.096127][  T260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.096298][  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
[   12.096801][  T260] RSP: 0018:ffa0000000b97020 EFLAGS: 00010286
[   12.096972][  T260] RAX: 00000000ffffffa6 RBX: ff11000009561e00 RCX: 1ff4000000172dca
[   12.097166][  T260] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009561ebc
[   12.097361][  T260] RBP: ff11000005179000 R08: 1fe22000012ac3d9 R09: ff1100000e318b58
[   12.097560][  T260] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.097756][  T260] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.097957][  T260] FS:  00007f3d0819c840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   12.098185][  T260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.098347][  T260] CR2: 0000000037194988 CR3: 000000000e238006 CR4: 0000000000771ef0
[   12.098629][  T260] PKRU: 55555554
[   12.098728][  T260] Call Trace:
[   12.098833][  T260]  <TASK>
[   12.098900][  T260]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.099031][  T260]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.099205][  T260]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.099344][  T260]  __dev_notify_flags (net/core/dev.c:9787)
[   12.099478][  T260]  ? netif_change_name (net/core/dev.c:1495)
[   12.099692][  T260]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.099832][  T260]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.099960][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.100091][  T260]  ? 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))
[   12.100224][  T260]  netif_change_flags (net/core/dev.c:9820)
[   12.100355][  T260]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.100486][  T260]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.100698][  T260]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.100834][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.100994][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.101123][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.101252][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.101381][  T260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.101598][  T260]  ? __kernel_text_address (kernel/extable.c:79)
[   12.101732][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.101875][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.102004][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.102132][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.102261][  T260]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.102392][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.102599][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.102731][  T260]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.102871][  T260]  ? __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)
[   12.103001][  T260]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.103130][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.103261][  T260]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.103393][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.103597][  T260]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.103730][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.103866][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.103999][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.104132][  T260]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.104270][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.104401][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.104536][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.104664][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.104801][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.104932][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.105061][  T260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.105190][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.105319][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.105447][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.105582][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.105711][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.105849][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.105980][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.106109][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.106241][  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))
[   12.106370][  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))
[   12.106506][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.106637][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.106769][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.106908][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.107039][  T260]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.107170][  T260]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.107302][  T260]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.107435][  T260]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.107572][  T260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.107734][  T260]  ? move_addr_to_kernel (net/socket.c:258)
[   12.107874][  T260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.108005][  T260]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.108138][  T260]  ___sys_sendmsg (net/socket.c:2752)
[   12.108286][  T260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.108447][  T260]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.108594][  T260]  __sys_sendmsg (net/socket.c:2784)
[   12.108726][  T260]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.108867][  T260]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.109033][  T260]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.109164][  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)
[   12.109296][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.109427][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.109565][  T260]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.109696][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.109836][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.109998][  T260] RIP: 0033:0x7f3d083d608e
[   12.110137][  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
[   12.110610][  T260] RSP: 002b:00007ffc87820270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.110814][  T260] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3d083d608e
[   12.111008][  T260] RDX: 0000000000000000 RSI: 00007ffc87820320 RDI: 0000000000000005
[   12.111204][  T260] RBP: 00007ffc87820280 R08: 0000000000000000 R09: 0000000000000000
[   12.111399][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e172
[   12.111603][  T260] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc878209f0
| [   12.216370][  T262] ------------[ cut here ]------------
| [   12.217245][  T262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/262
| [   12.217694][  T262] Modules linked in:
| [   12.218414][  T262] Tainted: [W]=WARN
[   12.218645][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.218979][  T262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.219311][  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
[   12.220145][  T262] RSP: 0018:ffa0000000bb71b0 EFLAGS: 00010286
[   12.220464][  T262] RAX: 00000000ffffffa6 RBX: ff11000008fa9700 RCX: 1ff4000000176dfc
[   12.220859][  T262] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fa97bc
[   12.221238][  T262] RBP: ff1100000f434000 R08: 1fe22000011f52f9 R09: ff1100000e31d180
[   12.221624][  T262] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.222005][  T262] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e608da0
[   12.222383][  T262] FS:  00007fa56004d840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   12.222852][  T262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.223175][  T262] CR2: 00000000004a2860 CR3: 000000000cf0d001 CR4: 0000000000771ef0
[   12.223565][  T262] PKRU: 55555554
[   12.223785][  T262] Call Trace:
[   12.224001][  T262]  <TASK>
[   12.224167][  T262]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.224438][  T262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.224678][  T262]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   12.224957][  T262]  __dev_notify_flags (net/core/dev.c:9787)
[   12.225227][  T262]  ? netif_change_name (net/core/dev.c:1495)
[   12.225491][  T262]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   12.225787][  T262]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   12.226052][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.226316][  T262]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   12.226598][  T262]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   12.226883][  T262]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.227154][  T262]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   12.227420][  T262]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.227704][  T262]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.227982][  T262]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.228248][  T262]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.228539][  T262]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.228823][  T262]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.229092][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.229354][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.229638][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.229916][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.230181][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.230454][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.230738][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.231019][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.231285][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.231566][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.231838][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.232108][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.232369][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.232652][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.232931][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.233203][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.233476][  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))
[   12.233753][  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))
[   12.234049][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.234318][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.234597][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.234879][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.235156][  T262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.235422][  T262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.235705][  T262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.235981][  T262]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.236249][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.236584][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   12.236883][  T262]  ___sys_sendmsg (net/socket.c:2752)
[   12.237149][  T262]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.237417][  T262]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.237762][  T262]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.238045][  T262]  __sys_sendmsg (net/socket.c:2784)
[   12.238308][  T262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.238720][  T262]  ? 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)
[   12.238992][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.239265][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.239549][  T262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.239821][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.240098][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.240417][  T262] RIP: 0033:0x7fa56028708e
[   12.240713][  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
[   12.241543][  T262] RSP: 002b:00007fffaeee3410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.241927][  T262] RAX: ffffffffffffffda RBX: 00007fffaeee3bb8 RCX: 00007fa56028708e
[   12.242300][  T262] RDX: 0000000000000000 RSI: 00007fffaeee34c0 RDI: 0000000000000005
[   12.242687][  T262] RBP: 00007fffaeee3420 R08: 0000000000000000 R09: 0000000000000000
[   12.243077][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e172
[   12.243445][  T262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffaeee3b90
| [   12.297746][  T263] ------------[ cut here ]------------
| [   12.298025][  T263] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/263
| [   12.298435][  T263] Modules linked in:
| [   12.299147][  T263] Tainted: [W]=WARN
[   12.299357][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.299687][  T263] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.300024][  T263] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.300949][  T263] RSP: 0018:ffa0000000bc7020 EFLAGS: 00010286
[   12.301403][  T263] RAX: 00000000ffffffa6 RBX: ff11000009043a80 RCX: 1ff4000000178dca
[   12.301945][  T263] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009043b3c
[   12.302406][  T263] RBP: ff1100000f434000 R08: 1fe2200001208769 R09: ff1100000ef1ae58
[   12.302877][  T263] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.303353][  T263] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.303759][  T263] FS:  00007fd1208b2840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   12.304175][  T263] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.304485][  T263] CR2: 00007fd120b821a0 CR3: 000000000cf0d004 CR4: 0000000000771ef0
[   12.304872][  T263] PKRU: 55555554
[   12.305083][  T263] Call Trace:
[   12.305294][  T263]  <TASK>
[   12.305455][  T263]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.305731][  T263]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.305956][  T263]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.306210][  T263]  __dev_notify_flags (net/core/dev.c:9787)
[   12.306473][  T263]  ? netif_change_name (net/core/dev.c:1495)
[   12.306746][  T263]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.307020][  T263]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.307277][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.307556][  T263]  ? 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))
[   12.307827][  T263]  netif_change_flags (net/core/dev.c:9820)
[   12.308091][  T263]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.308351][  T263]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.308633][  T263]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.308911][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.309225][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.309482][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.309760][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.310028][  T263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.310286][  T263]  ? __kernel_text_address (kernel/extable.c:79)
[   12.310564][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.310835][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.311099][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.311362][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.311637][  T263]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.311904][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.312163][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.312425][  T263]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.312707][  T263]  ? __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)
[   12.312978][  T263]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.313237][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.313521][  T263]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.313793][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.314060][  T263]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.314319][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.314596][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.314874][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.315136][  T263]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.315395][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.315675][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.315943][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.316204][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.316460][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.316743][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.317011][  T263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.317273][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.317549][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.317815][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.318083][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.318338][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.318618][  T263]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.318886][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.319151][  T263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.319419][  T263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.319690][  T263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.319964][  T263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.320227][  T263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.320477][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.320755][  T263]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.321035][  T263]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.321297][  T263]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.321578][  T263]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.321847][  T263]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.322110][  T263]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.322413][  T263]  ? move_addr_to_kernel (net/socket.c:258)
[   12.322689][  T263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.322971][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.323238][  T263]  ___sys_sendmsg (net/socket.c:2752)
[   12.323519][  T263]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.323830][  T263]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.324112][  T263]  __sys_sendmsg (net/socket.c:2784)
[   12.324375][  T263]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.324646][  T263]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.324975][  T263]  ? 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)
[   12.325234][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.325515][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.325771][  T263]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.326037][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.326298][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.326617][  T263] RIP: 0033:0x7fd120aec08e
[   12.326890][  T263] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.327695][  T263] RSP: 002b:00007fffcfcafe20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.328071][  T263] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd120aec08e
[   12.328435][  T263] RDX: 0000000000000000 RSI: 00007fffcfcafed0 RDI: 0000000000000005
[   12.328818][  T263] RBP: 00007fffcfcafe30 R08: 0000000000000000 R09: 0000000000000000
[   12.329176][  T263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e172
[   12.329552][  T263] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcfcb05a0
| [   12.446016][  T266] ------------[ cut here ]------------
| [   12.446194][  T266] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/266
| [   12.446433][  T266] Modules linked in:
| [   12.446839][  T266] Tainted: [W]=WARN
[   12.446941][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.447112][  T266] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.447289][  T266] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.447787][  T266] RSP: 0018:ffa0000000bf6f40 EFLAGS: 00010286
[   12.447959][  T266] RAX: 00000000ffffffa6 RBX: ff11000009895a80 RCX: 1ff400000017edae
[   12.448165][  T266] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009895b3c
[   12.448365][  T266] RBP: ff11000002941000 R08: 1fe2200001312b69 R09: ff1100000fc20b58
[   12.448573][  T266] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.448783][  T266] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.448987][  T266] FS:  00007f6a7e1d0840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   12.449223][  T266] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.449392][  T266] CR2: 00007f6a7e4a01a0 CR3: 000000000a446001 CR4: 0000000000771ef0
[   12.449598][  T266] PKRU: 55555554
[   12.449698][  T266] Call Trace:
[   12.449805][  T266]  <TASK>
[   12.449877][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.450016][  T266]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   12.450152][  T266]  notifier_call_chain (kernel/notifier.c:85)
[   12.450289][  T266]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   12.450426][  T266]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   12.450565][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.450699][  T266]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.450835][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.450967][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.451099][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.451233][  T266]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   12.451367][  T266]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   12.451508][  T266]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   12.451648][  T266]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.451786][  T266]  do_set_master (net/core/rtnetlink.c:3011)
[   12.451922][  T266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.452056][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   12.452190][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.452326][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.452494][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.452637][  T266]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.452768][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.452939][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.453075][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   12.453210][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.453346][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.453486][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.453625][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.453758][  T266]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.453901][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.454034][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.454166][  T266]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.454302][  T266]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.454437][  T266]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.454583][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.454718][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.454854][  T266]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.454990][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.455125][  T266]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.455259][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.455394][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.455533][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.455666][  T266]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.455802][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.455938][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.456071][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.456203][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.456342][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.456479][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.456616][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.456755][  T266]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.456894][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.457027][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.457162][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.457294][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.457428][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.457569][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.457702][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.457846][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.457978][  T266]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.458113][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.458249][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.458382][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.458520][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.458655][  T266]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.458793][  T266]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.458933][  T266]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.459068][  T266]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.459201][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.459364][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   12.459506][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.459644][  T266]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.459784][  T266]  ___sys_sendmsg (net/socket.c:2752)
[   12.459917][  T266]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.460083][  T266]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.460227][  T266]  __sys_sendmsg (net/socket.c:2784)
[   12.460360][  T266]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.460496][  T266]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.460669][  T266]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.460807][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.460941][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.461073][  T266]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.461219][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.461352][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.461524][  T266] RIP: 0033:0x7f6a7e40a08e
[   12.461666][  T266] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.462146][  T266] RSP: 002b:00007ffe30993800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.462355][  T266] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6a7e40a08e
[   12.462562][  T266] RDX: 0000000000000000 RSI: 00007ffe309938b0 RDI: 0000000000000005
[   12.462761][  T266] RBP: 00007ffe30993810 R08: 0000000000000000 R09: 0000000000000000
[   12.462981][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e172
[   12.463180][  T266] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe30993f80
| [   12.551591][  T269] ------------[ cut here ]------------
| [   12.551764][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/269
| [   12.552006][  T269] Modules linked in:
| [   12.552373][  T269] Tainted: [W]=WARN
[   12.552471][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.552645][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.552823][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.553287][  T269] RSP: 0018:ffa0000000c07020 EFLAGS: 00010286
[   12.553474][  T269] RAX: 00000000ffffffa6 RBX: ff11000008e531c0 RCX: 1ff4000000180dca
[   12.553678][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e5327c
[   12.553876][  T269] RBP: ff11000002941000 R08: 1fe22000011ca651 R09: ff1100000ef52e58
[   12.554069][  T269] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.554267][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.554469][  T269] FS:  00007f422b79a840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   12.554703][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.554872][  T269] CR2: 000000003d246988 CR3: 000000000a446005 CR4: 0000000000771ef0
[   12.555068][  T269] PKRU: 55555554
[   12.555170][  T269] Call Trace:
[   12.555269][  T269]  <TASK>
[   12.555339][  T269]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.555471][  T269]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.555575][  T269]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.555705][  T269]  __dev_notify_flags (net/core/dev.c:9787)
[   12.555841][  T269]  ? netif_change_name (net/core/dev.c:1495)
[   12.555971][  T269]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.556102][  T269]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.556232][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.556361][  T269]  ? 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))
[   12.556494][  T269]  netif_change_flags (net/core/dev.c:9820)
[   12.556687][  T269]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.556822][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.556954][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.557086][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.557258][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.557387][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.557571][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.557755][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.557890][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   12.558021][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.558150][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.558279][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.558408][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.558594][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.558727][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.558871][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.559001][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.559131][  T269]  ? __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)
[   12.559261][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.559390][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.559577][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.559708][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.559849][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.559980][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.560107][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.560236][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.560366][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.560493][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.560694][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.560830][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.560963][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.561092][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.561222][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.561350][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.561480][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.561685][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.561818][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.561948][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.562076][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.562205][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.562335][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.562462][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.562694][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.562827][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.562957][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.563093][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.563222][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.563351][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.563483][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.563693][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.563831][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.563961][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.564090][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.564250][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   12.564387][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.564584][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.564714][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   12.564854][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.565013][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.565155][  T269]  __sys_sendmsg (net/socket.c:2784)
[   12.565285][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.565414][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.565629][  T269]  ? 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)
[   12.565759][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.565895][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.566024][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.566154][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.566309][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.566469][  T269] RIP: 0033:0x7f422b9d408e
[   12.566655][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.567122][  T269] RSP: 002b:00007ffd5324c240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.567343][  T269] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f422b9d408e
[   12.567541][  T269] RDX: 0000000000000000 RSI: 00007ffd5324c2f0 RDI: 0000000000000005
[   12.567735][  T269] RBP: 00007ffd5324c250 R08: 0000000000000000 R09: 0000000000000000
[   12.567933][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e172
[   12.568133][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5324c9c0
| [   12.578166][   T36] ------------[ cut here ]------------
| [   12.578320][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   12.578566][   T36] Modules linked in:
| [   12.578947][   T36] Tainted: [W]=WARN
[   12.579039][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.579194][   T36] Workqueue: events_unbound linkwatch_event
[   12.579360][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.579766][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.580202][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   12.580362][   T36] RAX: 00000000ffffffa6 RBX: ff11000008e52200 RCX: 1ff4000000051f02
[   12.580631][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e522bc
[   12.580820][   T36] RBP: ff11000002941000 R08: 1fe22000011ca459 R09: ff11000001d751a8
[   12.581001][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.581179][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.581412][   T36] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   12.581669][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.581901][   T36] CR2: 000000003d246988 CR3: 0000000058f4d006 CR4: 0000000000771ef0
[   12.582082][   T36] PKRU: 55555554
[   12.582172][   T36] Call Trace:
[   12.582260][   T36]  <TASK>
[   12.582323][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.582443][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.582701][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.582823][   T36]  netif_state_change (net/core/dev.c:1605)
[   12.582943][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.583097][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.583218][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.583336][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.583457][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.583626][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.583746][   T36]  process_one_work (kernel/workqueue.c:3314)
[   12.583875][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.584005][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.584131][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.584256][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.584449][   T36]  kthread (kernel/kthread.c:436)
[   12.584585][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.584733][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.584858][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.584979][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.585128][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.585247][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.585442][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.588633][   T36] ------------[ cut here ]------------
| [   12.588763][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   12.589004][   T36] Modules linked in:
| [   12.589397][   T36] Tainted: [W]=WARN
[   12.589489][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.589648][   T36] Workqueue: events_unbound linkwatch_event
[   12.589809][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.589967][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.590404][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   12.590576][   T36] RAX: 00000000ffffffa6 RBX: ff11000009042c80 RCX: 1ff4000000051f02
[   12.590753][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009042d3c
[   12.590935][   T36] RBP: ff11000005179000 R08: 1fe22000012085a9 R09: ff11000001d751a8
[   12.591112][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.591294][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.591474][   T36] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   12.591693][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.591849][   T36] CR2: 000000003d246988 CR3: 0000000058f4d006 CR4: 0000000000771ef0
[   12.592031][   T36] PKRU: 55555554
[   12.592121][   T36] Call Trace:
[   12.592211][   T36]  <TASK>
[   12.592276][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.592395][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.592523][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.592615][   T36]  netif_state_change (net/core/dev.c:1605)
[   12.592736][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.592900][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.593025][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.593144][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.593267][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.593386][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.593512][   T36]  process_one_work (kernel/workqueue.c:3314)
[   12.593637][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.593759][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.593889][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.594016][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.594139][   T36]  kthread (kernel/kthread.c:436)
[   12.594232][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.594382][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.594507][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.594629][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.594782][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.594911][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.595031][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.838159][  T275] ------------[ cut here ]------------
| [   12.838473][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/275
| [   12.838933][  T275] Modules linked in:
| [   12.839664][  T275] Tainted: [W]=WARN
[   12.839890][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.840208][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.840555][  T275] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.841366][  T275] RSP: 0018:ffa0000000c46e30 EFLAGS: 00010286
[   12.841704][  T275] RAX: 00000000ffffffa6 RBX: ff1100000c348740 RCX: 1ff4000000188d8c
[   12.842085][  T275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3487fc
[   12.842454][  T275] RBP: ff1100000f451000 R08: 1fe2200001869101 R09: ff1100000e82ae80
[   12.842849][  T275] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.843218][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c3b7500
[   12.843600][  T275] FS:  00007f1ca4cf3840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   12.844045][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.844365][  T275] CR2: 000000000042ebe0 CR3: 000000000fbe6001 CR4: 0000000000771ef0
[   12.844757][  T275] PKRU: 55555554
[   12.844980][  T275] Call Trace:
[   12.845195][  T275]  <TASK>
[   12.845362][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.845649][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.845872][  T275]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.846195][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   12.846466][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   12.846970][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.847241][  T275]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.847522][  T275]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.847810][  T275]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.848082][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.848354][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.848640][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.848919][  T275]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.849190][  T275]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.849460][  T275]  veth_newlink (drivers/net/veth.c:1871)
[   12.849748][  T275]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.850023][  T275]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.850296][  T275]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.850578][  T275]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.850887][  T275]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.851156][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.851427][  T275]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.851708][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.851990][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.852265][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.852548][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.852823][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.853095][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.853371][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.853659][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.853942][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.854210][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.854485][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.854765][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.855040][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.855315][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.855597][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.855875][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.856145][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.856418][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.856700][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.856986][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.857254][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.857533][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.857809][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.858075][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.858346][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.858631][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.858913][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.859186][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.859453][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.859734][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.860017][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.860287][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.860576][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.860865][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.861133][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.861447][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   12.861736][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   12.862013][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.862278][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.862584][  T275]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.862869][  T275]  __sys_sendmsg (net/socket.c:2784)
[   12.863140][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.863418][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.863703][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.863985][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.864256][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.864535][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.864820][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.865144][  T275] RIP: 0033:0x7f1ca4f2d08e
[   12.865424][  T275] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.866259][  T275] RSP: 002b:00007ffed9644ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.866654][  T275] RAX: ffffffffffffffda RBX: 00007ffed9645678 RCX: 00007f1ca4f2d08e
[   12.867042][  T275] RDX: 0000000000000000 RSI: 00007ffed9644f80 RDI: 0000000000000005
[   12.867412][  T275] RBP: 00007ffed9644ee0 R08: 0000000000000000 R09: 0000000000000000
[   12.867808][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e173
[   12.868188][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed9645650
| [   12.895870][  T275] ------------[ cut here ]------------
| [   12.896016][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/275
| [   12.896248][  T275] Modules linked in:
| [   12.897028][  T275] Tainted: [W]=WARN
[   12.897141][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.897310][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.897484][  T275] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.897982][  T275] RSP: 0018:ffa0000000c471b0 EFLAGS: 00010286
[   12.898152][  T275] RAX: 00000000ffffffa6 RBX: ff1100001108d540 RCX: 1ff4000000188dfc
[   12.898352][  T275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001108d5fc
[   12.898565][  T275] RBP: ff11000008bb9000 R08: 1fe2200002211ac1 R09: ff1100000e82ae80
[   12.898772][  T275] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.898980][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e603b20
[   12.899182][  T275] FS:  00007f1ca4cf3840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   12.899437][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.899616][  T275] CR2: 00007f1e00e4e000 CR3: 000000000fbe6004 CR4: 0000000000771ef0
[   12.899827][  T275] PKRU: 55555554
[   12.899930][  T275] Call Trace:
[   12.900029][  T275]  <TASK>
[   12.900100][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.900237][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.900342][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   12.900478][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   12.900630][  T275]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.900765][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.900912][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.901049][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.901187][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.901321][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.901453][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.901598][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.901735][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.901875][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.902006][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.902141][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.902273][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.902404][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.902547][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.902680][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.902824][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.902961][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.903093][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.903228][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.903364][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.903496][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.903636][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.903770][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.903906][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.904048][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.904185][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.904328][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.904465][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.904606][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.904739][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.904878][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.905013][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.905150][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.905286][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.905418][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.905593][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   12.905733][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   12.905869][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.906001][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.906142][  T275]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.906281][  T275]  __sys_sendmsg (net/socket.c:2784)
[   12.906414][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.906555][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.906688][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.906824][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.906960][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.907093][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.907231][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.907398][  T275] RIP: 0033:0x7f1ca4f2d08e
[   12.907544][  T275] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.908021][  T275] RSP: 002b:00007ffed9644ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.908223][  T275] RAX: ffffffffffffffda RBX: 00007ffed9645678 RCX: 00007f1ca4f2d08e
[   12.908421][  T275] RDX: 0000000000000000 RSI: 00007ffed9644f80 RDI: 0000000000000005
[   12.908631][  T275] RBP: 00007ffed9644ee0 R08: 0000000000000000 R09: 0000000000000000
[   12.908836][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e173
[   12.909033][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed9645650
| [   12.950015][  T276] ------------[ cut here ]------------
| [   12.950183][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/276
| [   12.950405][  T276] Modules linked in:
| [   12.950784][  T276] Tainted: [W]=WARN
[   12.950882][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.951043][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.951213][  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
[   12.951673][  T276] RSP: 0018:ffa0000000c56ff8 EFLAGS: 00010286
[   12.951838][  T276] RAX: 00000000ffffffa6 RBX: ff1100001108cac0 RCX: 1ff400000018adc5
[   12.952025][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001108cb7c
[   12.952219][  T276] RBP: ff1100000f451000 R08: 1fe2200002211971 R09: ff1100000e82d158
[   12.952410][  T276] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.952604][  T276] R13: 0000000000000000 R14: ffa0000000c57140 R15: ff1100000eeac050
[   12.952801][  T276] FS:  00007fbf039f7840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   12.953023][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.953188][  T276] CR2: 0000000010356988 CR3: 00000000112f3006 CR4: 0000000000771ef0
[   12.953382][  T276] PKRU: 55555554
[   12.953477][  T276] Call Trace:
[   12.953575][  T276]  <TASK>
[   12.953641][  T276]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   12.953770][  T276]  __dev_change_net_namespace (net/core/dev.c:12635)
[   12.953941][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.954069][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.954196][  T276]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.954357][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.954488][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.954620][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.954746][  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))
[   12.954880][  T276]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.955008][  T276]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   12.955141][  T276]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.955271][  T276]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.955399][  T276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.955575][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.955703][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.955834][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.955960][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.956089][  T276]  ? __kernel_text_address (kernel/extable.c:79)
[   12.956217][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.956346][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.956472][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.956608][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.956736][  T276]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.956869][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.956994][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.957130][  T276]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.957257][  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)
[   12.957385][  T276]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.957581][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.957721][  T276]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.957852][  T276]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.957984][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.958115][  T276]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.958259][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.958384][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.958515][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.958642][  T276]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.958778][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.958908][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.959034][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.959162][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.959292][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.959423][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.959560][  T276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.959694][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.959833][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.959958][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.960086][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.960217][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.960347][  T276]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.960474][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.960605][  T276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.960734][  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))
[   12.960864][  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))
[   12.960992][  T276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.961121][  T276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.961248][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.961376][  T276]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.961508][  T276]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.961635][  T276]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.961764][  T276]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.961898][  T276]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.962023][  T276]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.962182][  T276]  ? move_addr_to_kernel (net/socket.c:258)
[   12.962308][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.962463][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.962597][  T276]  ___sys_sendmsg (net/socket.c:2752)
[   12.962724][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.962887][  T276]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.963027][  T276]  __sys_sendmsg (net/socket.c:2784)
[   12.963155][  T276]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.963280][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.963450][  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)
[   12.963581][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.963708][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.963842][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.963968][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.964100][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.964263][  T276] RIP: 0033:0x7fbf03c3108e
[   12.964420][  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
[   12.964889][  T276] RSP: 002b:00007ffd32d4fae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.965081][  T276] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbf03c3108e
[   12.965268][  T276] RDX: 0000000000000000 RSI: 00007ffd32d4fb90 RDI: 0000000000000005
[   12.965468][  T276] RBP: 00007ffd32d4faf0 R08: 0000000000000000 R09: 0000000000000000
[   12.965662][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e173
[   12.965858][  T276] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd32d50260
| [   12.976908][  T276] ------------[ cut here ]------------
| [   12.977075][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/276
| [   12.977299][  T276] Modules linked in:
| [   12.977703][  T276] Tainted: [W]=WARN
[   12.977809][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.977972][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.978149][  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
[   12.978616][  T276] RSP: 0018:ffa0000000c56fc0 EFLAGS: 00010286
[   12.978795][  T276] RAX: 00000000ffffffa6 RBX: ff1100001118e040 RCX: 1ff400000018adbe
[   12.978987][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001118e0fc
[   12.979178][  T276] RBP: ff1100000f451000 R08: 1fe2200002231c21 R09: ff1100000e82d158
[   12.979368][  T276] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.979573][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eeac050
[   12.979765][  T276] FS:  00007fbf039f7840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   12.979993][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.980164][  T276] CR2: 0000000010356988 CR3: 00000000112f3006 CR4: 0000000000771ef0
[   12.980358][  T276] PKRU: 55555554
[   12.980455][  T276] Call Trace:
[   12.980558][  T276]  <TASK>
[   12.980625][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.980754][  T276]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.980887][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.980984][  T276]  __dev_change_net_namespace (net/core/dev.c:12695)
[   12.981154][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.981284][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.981415][  T276]  ? default_device_exit_batch (net/core/dev.c:13091)
[   12.981578][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.981704][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.981843][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.981969][  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))
[   12.982339][  T276]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.982473][  T276]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   12.982613][  T276]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   12.982748][  T276]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.982884][  T276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.983053][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.983181][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.983310][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.983440][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.983581][  T276]  ? __kernel_text_address (kernel/extable.c:79)
[   12.983715][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.983855][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.983982][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.984110][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.984238][  T276]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.984368][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.984495][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.984631][  T276]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.984761][  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)
[   12.984896][  T276]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.985023][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.985152][  T276]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.985278][  T276]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.985408][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.985544][  T276]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.985673][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.985806][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.985934][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.986061][  T276]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.986188][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.986319][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.986449][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.986581][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.986709][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.986844][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.986972][  T276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.987100][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.987255][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.987386][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.987517][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.987647][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.987782][  T276]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.987912][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.988041][  T276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.988171][  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))
[   12.988299][  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))
[   12.988429][  T276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.988564][  T276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.988690][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.988824][  T276]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.988954][  T276]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.989083][  T276]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.989213][  T276]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.989342][  T276]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.989732][  T276]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.989902][  T276]  ? move_addr_to_kernel (net/socket.c:258)
[   12.990030][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.990157][  T276]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.990287][  T276]  ___sys_sendmsg (net/socket.c:2752)
[   12.990416][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.990582][  T276]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.990723][  T276]  __sys_sendmsg (net/socket.c:2784)
[   12.991017][  T276]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.991143][  T276]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.991306][  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)
[   12.991435][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.991571][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.991702][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.991858][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.991991][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.992149][  T276] RIP: 0033:0x7fbf03c3108e
[   12.992283][  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
[   12.992748][  T276] RSP: 002b:00007ffd32d4fae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.992946][  T276] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbf03c3108e
[   12.993138][  T276] RDX: 0000000000000000 RSI: 00007ffd32d4fb90 RDI: 0000000000000005
[   12.993330][  T276] RBP: 00007ffd32d4faf0 R08: 0000000000000000 R09: 0000000000000000
[   12.993530][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e173
[   12.993722][  T276] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd32d50260
| [   13.081236][  T279] ------------[ cut here ]------------
| [   13.081418][  T279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/279
| [   13.081667][  T279] Modules linked in:
| [   13.082044][  T279] Tainted: [W]=WARN
[   13.082142][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.082306][  T279] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.082486][  T279] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.082991][  T279] RSP: 0018:ffa0000000c87020 EFLAGS: 00010286
[   13.083154][  T279] RAX: 00000000ffffffa6 RBX: ff1100000a2b4e40 RCX: 1ff4000000190dca
[   13.083347][  T279] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b4efc
[   13.083545][  T279] RBP: ff11000008bb9000 R08: 1fe22000014569e1 R09: ff1100000b520b58
[   13.083738][  T279] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   13.083939][  T279] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.084137][  T279] FS:  00007f2682803840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   13.084367][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.084544][  T279] CR2: 000000002214c988 CR3: 0000000008c52001 CR4: 0000000000771ef0
[   13.084739][  T279] PKRU: 55555554
[   13.084848][  T279] Call Trace:
[   13.084944][  T279]  <TASK>
[   13.085011][  T279]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.085145][  T279]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.085248][  T279]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.085377][  T279]  __dev_notify_flags (net/core/dev.c:9787)
[   13.085513][  T279]  ? netif_change_name (net/core/dev.c:1495)
[   13.085642][  T279]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.085774][  T279]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.085909][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.086039][  T279]  ? 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))
[   13.086171][  T279]  netif_change_flags (net/core/dev.c:9820)
[   13.086302][  T279]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.086431][  T279]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.086592][  T279]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.086727][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.086894][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.087025][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.087158][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.087285][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.087415][  T279]  ? __kernel_text_address (kernel/extable.c:79)
[   13.087548][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.087679][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.087820][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.087952][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.088081][  T279]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.088209][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.088354][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.088488][  T279]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.088627][  T279]  ? __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)
[   13.088757][  T279]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.088891][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.089022][  T279]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.089153][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.089285][  T279]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.089415][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.089625][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.089813][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.089947][  T279]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.090075][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.090204][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.090331][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.090459][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.090671][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.090819][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.090949][  T279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.091076][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.091234][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.091361][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.091490][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.091685][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.091819][  T279]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.091948][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.092097][  T279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.092240][  T279]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.092371][  T279]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.092593][  T279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.092723][  T279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.092856][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.092986][  T279]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.093114][  T279]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.093244][  T279]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.093392][  T279]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.093599][  T279]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.093728][  T279]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.093895][  T279]  ? move_addr_to_kernel (net/socket.c:258)
[   13.094024][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.094153][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.094288][  T279]  ___sys_sendmsg (net/socket.c:2752)
[   13.094424][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.094601][  T279]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.094745][  T279]  __sys_sendmsg (net/socket.c:2784)
[   13.094886][  T279]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.095014][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.095175][  T279]  ? 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)
[   13.095320][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.095459][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.095593][  T279]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.095724][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.095856][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.096014][  T279] RIP: 0033:0x7f2682a3d08e
[   13.096166][  T279] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.096634][  T279] RSP: 002b:00007ffde7f8e400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.096838][  T279] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2682a3d08e
[   13.097032][  T279] RDX: 0000000000000000 RSI: 00007ffde7f8e4b0 RDI: 0000000000000005
[   13.097235][  T279] RBP: 00007ffde7f8e410 R08: 0000000000000000 R09: 0000000000000000
[   13.097431][  T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e173
[   13.097630][  T279] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde7f8eb80
| [   13.170329][  T281] ------------[ cut here ]------------
| [   13.170636][  T281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/281
| [   13.170903][  T281] Modules linked in:
| [   13.171308][  T281] Tainted: [W]=WARN
[   13.171416][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.171591][  T281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.171765][  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
[   13.172239][  T281] RSP: 0018:ffa0000000ca71b0 EFLAGS: 00010286
[   13.172407][  T281] RAX: 00000000ffffffa6 RBX: ff1100000c5103c0 RCX: 1ff4000000194dfc
[   13.172617][  T281] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c51047c
[   13.172825][  T281] RBP: ff1100000e1d9000 R08: 1fe22000018a2091 R09: ff1100000e8aae80
[   13.173025][  T281] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.173223][  T281] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e608da0
[   13.173421][  T281] FS:  00007f45f5d14840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   13.173665][  T281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.173838][  T281] CR2: 00000000004a2860 CR3: 000000000f522002 CR4: 0000000000771ef0
[   13.174038][  T281] PKRU: 55555554
[   13.174138][  T281] Call Trace:
[   13.174244][  T281]  <TASK>
[   13.174313][  T281]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.174479][  T281]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.174583][  T281]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2689 mm/slub.c:6250 mm/slub.c:6377)
[   13.174719][  T281]  __dev_notify_flags (net/core/dev.c:9787)
[   13.174859][  T281]  ? netif_change_name (net/core/dev.c:1495)
[   13.175017][  T281]  ? vrf_fib_rule (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 ./include/net/netlink.h:1131 drivers/net/vrf.c:1507)
[   13.175154][  T281]  ? netdev_lock_cmp_fn (./include/net/netdev_lock.h:111)
[   13.175286][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.175420][  T281]  ? do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[   13.175559][  T281]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.175693][  T281]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.175832][  T281]  ? vrf_newlink (drivers/net/vrf.c:1525 drivers/net/vrf.c:1682)
[   13.175965][  T281]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.176100][  T281]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.176233][  T281]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.176365][  T281]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.176520][  T281]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.176657][  T281]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.176795][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.176930][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.177063][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.177195][  T281]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.177327][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.177463][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.177742][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.177880][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.178032][  T281]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.178166][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.178297][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.178431][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.178572][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.178706][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.178844][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.178975][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.179113][  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))
[   13.179245][  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))
[   13.179400][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.179544][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.179677][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.179815][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.179948][  T281]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.180101][  T281]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.180239][  T281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.180372][  T281]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.180510][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.180674][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   13.180837][  T281]  ___sys_sendmsg (net/socket.c:2752)
[   13.180969][  T281]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.181107][  T281]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.181276][  T281]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   13.181411][  T281]  __sys_sendmsg (net/socket.c:2784)
[   13.181551][  T281]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.181687][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.181827][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.181962][  T281]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.182257][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.182390][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.182577][  T281] RIP: 0033:0x7f45f5f4e08e
[   13.182718][  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
[   13.183204][  T281] RSP: 002b:00007ffc9c483720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.183404][  T281] RAX: ffffffffffffffda RBX: 00007ffc9c483ec8 RCX: 00007f45f5f4e08e
[   13.183607][  T281] RDX: 0000000000000000 RSI: 00007ffc9c4837d0 RDI: 0000000000000005
[   13.183811][  T281] RBP: 00007ffc9c483730 R08: 0000000000000000 R09: 0000000000000000
[   13.184009][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e173
[   13.184208][  T281] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9c483ea0
| [   13.218071][  T282] ------------[ cut here ]------------
| [   13.218251][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/282
| [   13.218486][  T282] Modules linked in:
| [   13.219497][  T282] Tainted: [W]=WARN
[   13.219687][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.219855][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.220048][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.220584][  T282] RSP: 0018:ffa0000000cb7020 EFLAGS: 00010286
[   13.220751][  T282] RAX: 00000000ffffffa6 RBX: ff1100000c510e40 RCX: 1ff4000000196dca
[   13.220948][  T282] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c510efc
[   13.221147][  T282] RBP: ff1100000e1d9000 R08: 1fe22000018a21e1 R09: ff1100000e8ad158
[   13.221395][  T282] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.221690][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.221896][  T282] FS:  00007f363b347840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   13.222143][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.222306][  T282] CR2: 0000000029be7988 CR3: 000000000eb74004 CR4: 0000000000771ef0
[   13.222511][  T282] PKRU: 55555554
[   13.222610][  T282] Call Trace:
[   13.222708][  T282]  <TASK>
[   13.222788][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.222925][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.223024][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.223155][  T282]  __dev_notify_flags (net/core/dev.c:9787)
[   13.223287][  T282]  ? netif_change_name (net/core/dev.c:1495)
[   13.223416][  T282]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.223551][  T282]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.223681][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.223819][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.223953][  T282]  netif_change_flags (net/core/dev.c:9820)
[   13.224084][  T282]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.224215][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.224358][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.224488][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.224657][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.224791][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.224920][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.225049][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.225179][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   13.225310][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.225442][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.225577][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.225708][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.225849][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.225977][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.226109][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.226238][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.226369][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.226507][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.226639][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.226779][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.226913][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.227047][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.227184][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.227313][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.227444][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.227582][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.227711][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.227850][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.227977][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.228106][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.228235][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.228366][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.228497][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.228633][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.228763][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.228899][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.229032][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.229162][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.229293][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.229425][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.229592][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.229724][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.229859][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.229990][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.230150][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.230284][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.230450][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.230595][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.230727][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.230865][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.230996][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.231126][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.231289][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   13.231422][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.231561][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.231693][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   13.231833][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.231998][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.232144][  T282]  __sys_sendmsg (net/socket.c:2784)
[   13.232277][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.232409][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.232580][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.232715][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.232854][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.232988][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.233121][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.233256][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.233425][  T282] RIP: 0033:0x7f363b58108e
[   13.233575][  T282] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.234054][  T282] RSP: 002b:00007ffd4197f900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.234250][  T282] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f363b58108e
[   13.234445][  T282] RDX: 0000000000000000 RSI: 00007ffd4197f9b0 RDI: 0000000000000005
[   13.234647][  T282] RBP: 00007ffd4197f910 R08: 0000000000000000 R09: 0000000000000000
[   13.234857][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e173
[   13.235064][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd41980080
| [   13.375983][  T285] ------------[ cut here ]------------
| [   13.376279][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/285
| [   13.376707][  T285] Modules linked in:
| [   13.377391][  T285] Tainted: [W]=WARN
[   13.377604][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.377938][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.378274][  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
[   13.379733][  T285] RSP: 0018:ffa0000000ce6f40 EFLAGS: 00010286
[   13.380049][  T285] RAX: 00000000ffffffa6 RBX: ff1100001118fc40 RCX: 1ff400000019cdae
[   13.380362][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001118fcfc
[   13.380732][  T285] RBP: ff1100000f451000 R08: 1fe2200002231fa1 R09: ff110000021ed158
[   13.381110][  T285] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.381468][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   13.381834][  T285] FS:  00007efc5a4ed840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.382208][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.382528][  T285] CR2: 000000000dfeb988 CR3: 000000000ffd6004 CR4: 0000000000771ef0
[   13.382893][  T285] PKRU: 55555554
[   13.383087][  T285] Call Trace:
[   13.383290][  T285]  <TASK>
[   13.383454][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.383737][  T285]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   13.383995][  T285]  notifier_call_chain (kernel/notifier.c:85)
[   13.384244][  T285]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   13.384480][  T285]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   13.384754][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.385012][  T285]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.385245][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.385468][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.385716][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.385965][  T285]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   13.386201][  T285]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   13.386392][  T285]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   13.386589][  T285]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.386773][  T285]  do_set_master (net/core/rtnetlink.c:3011)
[   13.386972][  T285]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.387159][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   13.387347][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.387544][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.387765][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.387960][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.388144][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.388327][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.388526][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   13.388711][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.388909][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.389096][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.389284][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.389469][  T285]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.389663][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.389855][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.390039][  T285]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.390227][  T285]  ? __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)
[   13.390413][  T285]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.390619][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.390811][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.390994][  T285]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.391182][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.391369][  T285]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.391571][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.391754][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.391947][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.392133][  T285]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.392317][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.392518][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.392701][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.392899][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.393087][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.393274][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.393461][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.393657][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.393849][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.394033][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.394220][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.394403][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.394602][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.394799][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.394988][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.395175][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.395359][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.395555][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.395741][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.395930][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.396115][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.396304][  T285]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.396490][  T285]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.396691][  T285]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.396890][  T285]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.397077][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.397293][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   13.397480][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.397681][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.397880][  T285]  ___sys_sendmsg (net/socket.c:2752)
[   13.398067][  T285]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.398288][  T285]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.398485][  T285]  __sys_sendmsg (net/socket.c:2784)
[   13.398704][  T285]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.398892][  T285]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.399115][  T285]  ? 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)
[   13.399303][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.399489][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.399694][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.399898][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.400086][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.400305][  T285] RIP: 0033:0x7efc5a72708e
[   13.400515][  T285] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.401061][  T285] RSP: 002b:00007ffe7fbe3480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.401318][  T285] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc5a72708e
[   13.401584][  T285] RDX: 0000000000000000 RSI: 00007ffe7fbe3530 RDI: 0000000000000005
[   13.401851][  T285] RBP: 00007ffe7fbe3490 R08: 0000000000000000 R09: 0000000000000000
[   13.402102][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e173
[   13.402353][  T285] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7fbe3c00
| [   13.489837][  T288] ------------[ cut here ]------------
| [   13.490002][  T288] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/288
| [   13.490238][  T288] Modules linked in:
| [   13.491027][  T288] Tainted: [W]=WARN
[   13.491131][  T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.491299][  T288] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.491474][  T288] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.491970][  T288] RSP: 0018:ffa0000000d17020 EFLAGS: 00010286
[   13.492142][  T288] RAX: 00000000ffffffa6 RBX: ff1100001113eac0 RCX: 1ff40000001a2dca
[   13.492342][  T288] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001113eb7c
[   13.492549][  T288] RBP: ff1100000f451000 R08: 1fe2200002227d71 R09: ff110000021d5158
[   13.492751][  T288] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   13.492955][  T288] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.493155][  T288] FS:  00007f697e616840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   13.493393][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.493573][  T288] CR2: 000000000c135988 CR3: 000000000ffd6004 CR4: 0000000000771ef0
[   13.493774][  T288] PKRU: 55555554
[   13.493878][  T288] Call Trace:
[   13.493980][  T288]  <TASK>
[   13.494049][  T288]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.494191][  T288]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.494295][  T288]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.494429][  T288]  __dev_notify_flags (net/core/dev.c:9787)
[   13.494570][  T288]  ? netif_change_name (net/core/dev.c:1495)
[   13.494704][  T288]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.494842][  T288]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.494975][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.495110][  T288]  ? 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))
[   13.495246][  T288]  netif_change_flags (net/core/dev.c:9820)
[   13.495378][  T288]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.495516][  T288]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.495652][  T288]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.495792][  T288]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.495958][  T288]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.496093][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.496228][  T288]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.496362][  T288]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.496500][  T288]  ? __kernel_text_address (kernel/extable.c:79)
[   13.496641][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.496782][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.496915][  T288]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.497049][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.497183][  T288]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.497316][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.497448][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.497588][  T288]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.497723][  T288]  ? __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)
[   13.497857][  T288]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.497991][  T288]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.498125][  T288]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.498261][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.498397][  T288]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.498537][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.498669][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.498807][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.498941][  T288]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.499073][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.499209][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.499341][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.499474][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.499611][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.499744][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.499885][  T288]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.500019][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.500152][  T288]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.500297][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.500433][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.500660][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.500863][  T288]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.501002][  T288]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.501136][  T288]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.501273][  T288]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.501410][  T288]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.501611][  T288]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.501746][  T288]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.501886][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.502020][  T288]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.502156][  T288]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.502294][  T288]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.502431][  T288]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.502683][  T288]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.502820][  T288]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.502987][  T288]  ? move_addr_to_kernel (net/socket.c:258)
[   13.503123][  T288]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.503258][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.503393][  T288]  ___sys_sendmsg (net/socket.c:2752)
[   13.503626][  T288]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.503801][  T288]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.503948][  T288]  __sys_sendmsg (net/socket.c:2784)
[   13.504084][  T288]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.504220][  T288]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.504391][  T288]  ? 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)
[   13.504612][  T288]  ? 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)
[   13.504749][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.504889][  T288]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.505024][  T288]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.505159][  T288]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.505293][  T288]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.505458][  T288] RIP: 0033:0x7f697e85008e
[   13.505663][  T288] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.506146][  T288] RSP: 002b:00007ffcfcfd0ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.506350][  T288] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f697e85008e
[   13.506556][  T288] RDX: 0000000000000000 RSI: 00007ffcfcfd0b80 RDI: 0000000000000005
[   13.506759][  T288] RBP: 00007ffcfcfd0ae0 R08: 0000000000000000 R09: 0000000000000000
[   13.506967][  T288] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e173
[   13.507171][  T288] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfcfd1250
| [   13.509865][  T205] ------------[ cut here ]------------
| [   13.510007][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/205
| [   13.510253][  T205] Modules linked in:
| [   13.510662][  T205] Tainted: [W]=WARN
[   13.510757][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.510914][  T205] Workqueue: events_unbound linkwatch_event
[   13.511075][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.511235][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.511694][  T205] RSP: 0018:ffa00000009079e0 EFLAGS: 00010286
[   13.511853][  T205] RAX: 00000000ffffffa6 RBX: ff1100001113f700 RCX: 1ff4000000120f02
[   13.512035][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001113f7bc
[   13.512217][  T205] RBP: ff1100000f451000 R08: 1fe2200002227ef9 R09: ff1100000e12d1a8
[   13.512481][  T205] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.512667][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.512854][  T205] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   13.513145][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.513299][  T205] CR2: 000055d2bbbfcd5c CR3: 0000000011290005 CR4: 0000000000771ef0
[   13.513484][  T205] PKRU: 55555554
[   13.513587][  T205] Call Trace:
[   13.513679][  T205]  <TASK>
[   13.513743][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.513875][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.513998][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.514168][  T205]  netif_state_change (net/core/dev.c:1605)
[   13.514292][  T205]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.514455][  T205]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.514654][  T205]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.514790][  T205]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.514916][  T205]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.515038][  T205]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.515161][  T205]  process_one_work (kernel/workqueue.c:3314)
[   13.515363][  T205]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.515486][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.515620][  T205]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.515744][  T205]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.515944][  T205]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.516068][  T205]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.516195][  T205]  kthread (kernel/kthread.c:436)
[   13.516287][  T205]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.516519][  T205]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.516651][  T205]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.516787][  T205]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.517012][  T205]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.517134][  T205]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.517256][  T205]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.519302][  T205] ------------[ cut here ]------------
| [   13.519475][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/205
| [   13.519797][  T205] Modules linked in:
| [   13.520360][  T205] Tainted: [W]=WARN
[   13.520673][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.520883][  T205] Workqueue: events_unbound linkwatch_event
[   13.521088][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.521298][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.521817][  T205] RSP: 0018:ffa00000009079e0 EFLAGS: 00010286
[   13.522028][  T205] RAX: 00000000ffffffa6 RBX: ff1100000e0398c0 RCX: 1ff4000000120f02
[   13.522261][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e03997c
[   13.522490][  T205] RBP: ff11000008bb9000 R08: 1fe2200001c07331 R09: ff1100000e12d1a8
[   13.522733][  T205] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.522974][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.523208][  T205] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.523468][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.523681][  T205] CR2: 00007f697e97855f CR3: 0000000058f4d001 CR4: 0000000000771ef0
[   13.523914][  T205] PKRU: 55555554
[   13.524052][  T205] Call Trace:
[   13.524191][  T205]  <TASK>
[   13.524304][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.524476][  T205]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.524660][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.524810][  T205]  netif_state_change (net/core/dev.c:1605)
[   13.524984][  T205]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.525204][  T205]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.525375][  T205]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.525562][  T205]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.525736][  T205]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.525919][  T205]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.526093][  T205]  process_one_work (kernel/workqueue.c:3314)
[   13.526269][  T205]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.526445][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.526642][  T205]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.526824][  T205]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.526996][  T205]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.527171][  T205]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.527342][  T205]  kthread (kernel/kthread.c:436)
[   13.527484][  T205]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.527700][  T205]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.527880][  T205]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.528058][  T205]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.528261][  T205]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.528433][  T205]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.528617][  T205]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.678292][  T293] ------------[ cut here ]------------
| [   13.678494][  T293] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/293
| [   13.678808][  T293] Modules linked in:
| [   13.679271][  T293] Tainted: [W]=WARN
[   13.679422][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.679653][  T293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.679883][  T293] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.680390][  T293] RSP: 0018:ffa0000000a97a80 EFLAGS: 00010286
[   13.680624][  T293] RAX: 00000000ffffffa6 RBX: ff1100000b034580 RCX: 1ff4000000152f16
[   13.680875][  T293] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b03463c
[   13.681122][  T293] RBP: ff1100000e9f1000 R08: 1fe22000016068c9 R09: ff1100000ebd5180
[   13.681369][  T293] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.681626][  T293] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9f1000
[   13.681895][  T293] FS:  00007fd77211e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.682186][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.682406][  T293] CR2: 00007fd77231fc20 CR3: 0000000002424003 CR4: 0000000000771ef0
[   13.682669][  T293] PKRU: 55555554
[   13.682826][  T293] Call Trace:
[   13.682972][  T293]  <TASK>
[   13.683086][  T293]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.683264][  T293]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.683442][  T293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.683604][  T293]  register_netdevice (net/core/dev.c:11488)
[   13.683792][  T293]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.684002][  T293]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.684181][  T293]  register_netdev (net/core/dev.c:11552)
[   13.684359][  T293]  loopback_net_init (drivers/net/loopback.c:218)
[   13.684551][  T293]  ops_init (net/core/net_namespace.c:137)
[   13.684700][  T293]  setup_net (net/core/net_namespace.c:446)
[   13.684858][  T293]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.685036][  T293]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.685215][  T293]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.685396][  T293]  copy_net_ns (net/core/net_namespace.c:579)
[   13.685586][  T293]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.685766][  T293]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.685953][  T293]  ksys_unshare (kernel/fork.c:3243)
[   13.686133][  T293]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.686311][  T293]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.686488][  T293]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.686679][  T293]  ? __ia32_sys_open (fs/open.c:1374)
[   13.686868][  T293]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.687047][  T293]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.687226][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.687405][  T293]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.687595][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.687773][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.687989][  T293] RIP: 0033:0x7fd7723e0bcb
[   13.688172][  T293] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.688715][  T293] RSP: 002b:00007ffe655f39c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.688968][  T293] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd7723e0bcb
[   13.689208][  T293] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.689449][  T293] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.689771][  T293] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe655f5bf0
[   13.690064][  T293] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe655f6867
| [   13.694710][  T293] ------------[ cut here ]------------
| [   13.694894][  T293] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/293
| [   13.695178][  T293] Modules linked in:
| [   13.695710][  T293] Tainted: [W]=WARN
[   13.695920][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.696194][  T293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.696493][  T293] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.697135][  T293] RSP: 0018:ffa0000000a97918 EFLAGS: 00010286
[   13.697402][  T293] RAX: 00000000ffffffa6 RBX: ff1100000ce29380 RCX: 1ff4000000152ee9
[   13.697714][  T293] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce2943c
[   13.698023][  T293] RBP: ff1100000cdf1000 R08: 1fe22000019c5289 R09: ff1100000ebd5180
[   13.698316][  T293] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.698622][  T293] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cdf1000
[   13.698930][  T293] FS:  00007fd77211e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.699256][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.699532][  T293] CR2: 00007fd77231fc20 CR3: 0000000002424003 CR4: 0000000000771ef0
[   13.699838][  T293] PKRU: 55555554
[   13.700041][  T293] Call Trace:
[   13.700239][  T293]  <TASK>
[   13.700407][  T293]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.700649][  T293]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.700883][  T293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.701083][  T293]  register_netdevice (net/core/dev.c:11488)
[   13.701316][  T293]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.701589][  T293]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.701833][  T293]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.702065][  T293]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.702295][  T293]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.702538][  T293]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.702767][  T293]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.702961][  T293]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.703142][  T293]  ops_init (net/core/net_namespace.c:137)
[   13.703292][  T293]  setup_net (net/core/net_namespace.c:446)
[   13.703437][  T293]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.703625][  T293]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.703809][  T293]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.703988][  T293]  copy_net_ns (net/core/net_namespace.c:579)
[   13.704166][  T293]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.704347][  T293]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.704539][  T293]  ksys_unshare (kernel/fork.c:3243)
[   13.704716][  T293]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.704904][  T293]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.705080][  T293]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.705258][  T293]  ? __ia32_sys_open (fs/open.c:1374)
[   13.705436][  T293]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.705627][  T293]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.705809][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.705987][  T293]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.706163][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.706339][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.706559][  T293] RIP: 0033:0x7fd7723e0bcb
[   13.706743][  T293] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.707252][  T293] RSP: 002b:00007ffe655f39c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.707491][  T293] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd7723e0bcb
[   13.707745][  T293] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.707987][  T293] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.708228][  T293] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe655f5bf0
[   13.708466][  T293] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe655f6867
| [   13.713053][  T293] ------------[ cut here ]------------
| [   13.713243][  T293] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/293
| [   13.713532][  T293] Modules linked in:
| [   13.714009][  T293] Tainted: [W]=WARN
[   13.714163][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.714371][  T293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.714603][  T293] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.715129][  T293] RSP: 0018:ffa0000000a978f8 EFLAGS: 00010286
[   13.715340][  T293] RAX: 00000000ffffffa6 RBX: ff11000009ae4200 RCX: 1ff4000000152ee5
[   13.716130][  T293] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ae42bc
[   13.716433][  T293] RBP: ff1100000ed29000 R08: 1fe220000135c859 R09: ff1100000ebd5180
[   13.716747][  T293] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.717053][  T293] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ed29000
[   13.717358][  T293] FS:  00007fd77211e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.717711][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.717992][  T293] CR2: 00007fd77231fc20 CR3: 0000000002424003 CR4: 0000000000771ef0
[   13.718298][  T293] PKRU: 55555554
[   13.718514][  T293] Call Trace:
[   13.718716][  T293]  <TASK>
[   13.718893][  T293]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.719126][  T293]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.719362][  T293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.719575][  T293]  register_netdevice (net/core/dev.c:11488)
[   13.719815][  T293]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.720081][  T293]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.720319][  T293]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.720570][  T293]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.720814][  T293]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.721047][  T293]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.721279][  T293]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.721532][  T293]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.721765][  T293]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.722008][  T293]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.722243][  T293]  ops_init (net/core/net_namespace.c:137)
[   13.722433][  T293]  setup_net (net/core/net_namespace.c:446)
[   13.722592][  T293]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.722768][  T293]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.722957][  T293]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.723144][  T293]  copy_net_ns (net/core/net_namespace.c:579)
[   13.723328][  T293]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.723522][  T293]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.723705][  T293]  ksys_unshare (kernel/fork.c:3243)
[   13.723890][  T293]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.724074][  T293]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.724253][  T293]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.724434][  T293]  ? __ia32_sys_open (fs/open.c:1374)
[   13.724638][  T293]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.724835][  T293]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.725023][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.725208][  T293]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.725391][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.725585][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.725802][  T293] RIP: 0033:0x7fd7723e0bcb
[   13.725986][  T293] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.726495][  T293] RSP: 002b:00007ffe655f39c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.726752][  T293] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd7723e0bcb
[   13.727000][  T293] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.727247][  T293] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.727488][  T293] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe655f5bf0
[   13.727741][  T293] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe655f6867
| [   13.738215][  T293] ------------[ cut here ]------------
| [   13.738409][  T293] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/293
| [   13.738695][  T293] Modules linked in:
| [   13.739168][  T293] Tainted: [W]=WARN
[   13.739312][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.739566][  T293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.739787][  T293] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.740291][  T293] RSP: 0018:ffa0000000a97a78 EFLAGS: 00010286
[   13.740516][  T293] RAX: 00000000ffffffa6 RBX: ff11000009ae4ac0 RCX: 1ff4000000152f15
[   13.740754][  T293] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ae4b7c
[   13.741005][  T293] RBP: ff1100000eb21000 R08: 1fe220000135c971 R09: ff1100000ebd5180
[   13.741245][  T293] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.741485][  T293] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb21000
[   13.741740][  T293] FS:  00007fd77211e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.742022][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.742233][  T293] CR2: 00007fd77231fc20 CR3: 0000000002424003 CR4: 0000000000771ef0
[   13.742474][  T293] PKRU: 55555554
[   13.742630][  T293] Call Trace:
[   13.742775][  T293]  <TASK>
[   13.742897][  T293]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.743074][  T293]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.743249][  T293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.743399][  T293]  register_netdevice (net/core/dev.c:11488)
[   13.743587][  T293]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.743799][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.743978][  T293]  register_netdev (net/core/dev.c:11552)
[   13.744155][  T293]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.744334][  T293]  ops_init (net/core/net_namespace.c:137)
[   13.744482][  T293]  setup_net (net/core/net_namespace.c:446)
[   13.744643][  T293]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.744825][  T293]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.745003][  T293]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.745181][  T293]  copy_net_ns (net/core/net_namespace.c:579)
[   13.745359][  T293]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.745549][  T293]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.745727][  T293]  ksys_unshare (kernel/fork.c:3243)
[   13.745914][  T293]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.746091][  T293]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.746267][  T293]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.746443][  T293]  ? __ia32_sys_open (fs/open.c:1374)
[   13.746635][  T293]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.746820][  T293]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.746995][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.747174][  T293]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.747350][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.747539][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.747744][  T293] RIP: 0033:0x7fd7723e0bcb
[   13.747931][  T293] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.748434][  T293] RSP: 002b:00007ffe655f39c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.748686][  T293] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd7723e0bcb
[   13.748932][  T293] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.749169][  T293] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.749409][  T293] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe655f5bf0
[   13.749661][  T293] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe655f6867
| [   13.754387][  T293] ------------[ cut here ]------------
| [   13.754571][  T293] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/293
| [   13.754851][  T293] Modules linked in:
| [   13.755302][  T293] Tainted: [W]=WARN
[   13.755448][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.755668][  T293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.755888][  T293] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.756389][  T293] RSP: 0018:ffa0000000a97a68 EFLAGS: 00010286
[   13.757127][  T293] RAX: 00000000ffffffa6 RBX: ff1100000ce28200 RCX: 1ff4000000152f13
[   13.757420][  T293] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce282bc
[   13.757726][  T293] RBP: ff11000009cbc000 R08: 1fe22000019c5059 R09: ff1100000ebd5180
[   13.758032][  T293] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.758327][  T293] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cbc000
[   13.758632][  T293] FS:  00007fd77211e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.758978][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.759239][  T293] CR2: 00007fd77231fc20 CR3: 0000000002424003 CR4: 0000000000771ef0
[   13.759546][  T293] PKRU: 55555554
[   13.759742][  T293] Call Trace:
[   13.759945][  T293]  <TASK>
[   13.760111][  T293]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.760339][  T293]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.760581][  T293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.760787][  T293]  register_netdevice (net/core/dev.c:11488)
[   13.761017][  T293]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.761279][  T293]  register_netdev (net/core/dev.c:11552)
[   13.761523][  T293]  sit_init_net (net/ipv6/sit.c:1860)
[   13.761747][  T293]  ops_init (net/core/net_namespace.c:137)
[   13.761897][  T293]  setup_net (net/core/net_namespace.c:446)
[   13.762041][  T293]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.762217][  T293]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.762395][  T293]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.762586][  T293]  copy_net_ns (net/core/net_namespace.c:579)
[   13.762767][  T293]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.762952][  T293]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.763131][  T293]  ksys_unshare (kernel/fork.c:3243)
[   13.763308][  T293]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.763483][  T293]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.763672][  T293]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.763857][  T293]  ? __ia32_sys_open (fs/open.c:1374)
[   13.764038][  T293]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.764213][  T293]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.764389][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.764577][  T293]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.764752][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.764937][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.765143][  T293] RIP: 0033:0x7fd7723e0bcb
[   13.765324][  T293] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.765846][  T293] RSP: 002b:00007ffe655f39c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.766088][  T293] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd7723e0bcb
[   13.766329][  T293] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.766582][  T293] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.766826][  T293] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe655f5bf0
[   13.767064][  T293] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe655f6867
| [   13.772209][  T293] ------------[ cut here ]------------
| [   13.772391][  T293] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/293
| [   13.772674][  T293] Modules linked in:
| [   13.773143][  T293] Tainted: [W]=WARN
[   13.773289][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.773495][  T293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.773726][  T293] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.774246][  T293] RSP: 0018:ffa0000000a97a78 EFLAGS: 00010286
[   13.774456][  T293] RAX: 00000000ffffffa6 RBX: ff1100000261a200 RCX: 1ff4000000152f15
[   13.775219][  T293] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000261a2bc
[   13.775535][  T293] RBP: ff1100000eab1000 R08: 1fe22000004c3459 R09: ff1100000ebd5180
[   13.775849][  T293] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.776142][  T293] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eab1000
[   13.776435][  T293] FS:  00007fd77211e840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.776790][  T293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.777057][  T293] CR2: 00007fd77231fc20 CR3: 0000000002424003 CR4: 0000000000771ef0
[   13.777350][  T293] PKRU: 55555554
[   13.777562][  T293] Call Trace:
[   13.777760][  T293]  <TASK>
[   13.777937][  T293]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.778169][  T293]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.778399][  T293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.778618][  T293]  register_netdevice (net/core/dev.c:11488)
[   13.778858][  T293]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.779120][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.779351][  T293]  register_netdev (net/core/dev.c:11552)
[   13.779592][  T293]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.779830][  T293]  ops_init (net/core/net_namespace.c:137)
[   13.780032][  T293]  setup_net (net/core/net_namespace.c:446)
[   13.780234][  T293]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.780439][  T293]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.780627][  T293]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.780814][  T293]  copy_net_ns (net/core/net_namespace.c:579)
[   13.780992][  T293]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.781171][  T293]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.781350][  T293]  ksys_unshare (kernel/fork.c:3243)
[   13.781543][  T293]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.781721][  T293]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.781905][  T293]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.782082][  T293]  ? __ia32_sys_open (fs/open.c:1374)
[   13.782261][  T293]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.782436][  T293]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.782625][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.782808][  T293]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.782989][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.783166][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.783372][  T293] RIP: 0033:0x7fd7723e0bcb
[   13.783567][  T293] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.784085][  T293] RSP: 002b:00007ffe655f39c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.784327][  T293] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd7723e0bcb
[   13.784581][  T293] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.784824][  T293] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.785065][  T293] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe655f5bf0
[   13.785303][  T293] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe655f6867
| [   13.816640][  T294] ------------[ cut here ]------------
| [   13.816796][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/294
| [   13.817021][  T294] Modules linked in:
| [   13.817389][  T294] Tainted: [W]=WARN
[   13.817486][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.817891][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.818065][  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
[   13.818533][  T294] RSP: 0018:ffa0000000927020 EFLAGS: 00010286
[   13.818693][  T294] RAX: 00000000ffffffa6 RBX: ff1100000261be00 RCX: 1ff4000000124dca
[   13.818887][  T294] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000261bebc
[   13.819077][  T294] RBP: ff1100000e9f1000 R08: 1fe22000004c37d9 R09: ff1100000a1bae58
[   13.819270][  T294] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   13.819462][  T294] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.819660][  T294] FS:  00007fca78522840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   13.819890][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.820052][  T294] CR2: 00007fca787f21a0 CR3: 000000000f414006 CR4: 0000000000771ef0
[   13.820247][  T294] PKRU: 55555554
[   13.820365][  T294] Call Trace:
[   13.820468][  T294]  <TASK>
[   13.820540][  T294]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.820669][  T294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.820767][  T294]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.820899][  T294]  __dev_notify_flags (net/core/dev.c:9787)
[   13.821030][  T294]  ? netif_change_name (net/core/dev.c:1495)
[   13.821157][  T294]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.821287][  T294]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.821414][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.821546][  T294]  ? 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))
[   13.821675][  T294]  netif_change_flags (net/core/dev.c:9820)
[   13.821808][  T294]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.821936][  T294]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.822068][  T294]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.822196][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.822355][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.822483][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.822615][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.822741][  T294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.822872][  T294]  ? __kernel_text_address (kernel/extable.c:79)
[   13.823000][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.823129][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.823256][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.823383][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.823514][  T294]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.823640][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.823768][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.823902][  T294]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.824031][  T294]  ? __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)
[   13.824162][  T294]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.824289][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.824418][  T294]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.824552][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.824682][  T294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.824816][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.824945][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.825073][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.825199][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.825326][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.825455][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.825588][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.825715][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.825859][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.825991][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.826120][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.826248][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.826375][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.826509][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.826638][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.826789][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.826923][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.827052][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.827183][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.827314][  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))
[   13.827442][  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))
[   13.827576][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.827706][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.827842][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.827972][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.828102][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.828231][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.828362][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.828491][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.828623][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.828787][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   13.828917][  T294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.829046][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.829177][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   13.829306][  T294]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.829466][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.829612][  T294]  __sys_sendmsg (net/socket.c:2784)
[   13.829739][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.829874][  T294]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.830037][  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)
[   13.830165][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.830295][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.830421][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.830555][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.830682][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.830847][  T294] RIP: 0033:0x7fca7875c08e
[   13.830981][  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
[   13.831437][  T294] RSP: 002b:00007ffe6c3aba40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.831636][  T294] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fca7875c08e
[   13.831832][  T294] RDX: 0000000000000000 RSI: 00007ffe6c3abaf0 RDI: 0000000000000005
[   13.832023][  T294] RBP: 00007ffe6c3aba50 R08: 0000000000000000 R09: 0000000000000000
[   13.832214][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   13.832405][  T294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6c3ac1c0
| [   13.956525][  T298] ------------[ cut here ]------------
| [   13.956734][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/298
| [   13.957020][  T298] Modules linked in:
| [   13.957487][  T298] Tainted: [W]=WARN
[   13.958099][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.958305][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.958535][  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
[   13.959054][  T298] RSP: 0018:ffa0000000537a80 EFLAGS: 00010286
[   13.959265][  T298] RAX: 00000000ffffffa6 RBX: ff11000009806c80 RCX: 1ff40000000a6f16
[   13.959523][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009806d3c
[   13.959767][  T298] RBP: ff1100000f9f9000 R08: 1fe2200001300da9 R09: ff1100000edf0b80
[   13.960013][  T298] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.960254][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9f9000
[   13.960495][  T298] FS:  00007f7beedd1840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.960810][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.961019][  T298] CR2: 00007f7beefd8430 CR3: 0000000001df6001 CR4: 0000000000771ef0
[   13.961262][  T298] PKRU: 55555554
[   13.961409][  T298] Call Trace:
[   13.961568][  T298]  <TASK>
[   13.961682][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.961867][  T298]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.962043][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.962191][  T298]  register_netdevice (net/core/dev.c:11488)
[   13.962367][  T298]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.962585][  T298]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.962766][  T298]  register_netdev (net/core/dev.c:11552)
[   13.962950][  T298]  loopback_net_init (drivers/net/loopback.c:218)
[   13.963128][  T298]  ops_init (net/core/net_namespace.c:137)
[   13.963274][  T298]  setup_net (net/core/net_namespace.c:446)
[   13.963419][  T298]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.963606][  T298]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.963793][  T298]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.963975][  T298]  copy_net_ns (net/core/net_namespace.c:579)
[   13.964153][  T298]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.964332][  T298]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.964525][  T298]  ksys_unshare (kernel/fork.c:3243)
[   13.964710][  T298]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.964905][  T298]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.965083][  T298]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.965263][  T298]  ? __ia32_sys_open (fs/open.c:1374)
[   13.965441][  T298]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.965630][  T298]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.965813][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.965990][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.966166][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.966344][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.966563][  T298] RIP: 0033:0x7f7bef093bcb
[   13.966748][  T298] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.967266][  T298] RSP: 002b:00007ffcef72ca48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.967521][  T298] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7bef093bcb
[   13.967767][  T298] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.968015][  T298] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.968254][  T298] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcef72ec70
[   13.968512][  T298] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcef730867
| [   13.972727][  T298] ------------[ cut here ]------------
| [   13.972926][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/298
| [   13.973203][  T298] Modules linked in:
| [   13.974022][  T298] Tainted: [W]=WARN
[   13.974166][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.974377][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.974607][  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
[   13.975135][  T298] RSP: 0018:ffa0000000537918 EFLAGS: 00010286
[   13.975347][  T298] RAX: 00000000ffffffa6 RBX: ff1100000d06ec80 RCX: 1ff40000000a6ee9
[   13.975600][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d06ed3c
[   13.975854][  T298] RBP: ff110000100d4000 R08: 1fe2200001a0dda9 R09: ff1100000edf0b80
[   13.976093][  T298] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.976333][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100d4000
[   13.976586][  T298] FS:  00007f7beedd1840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.976871][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.977081][  T298] CR2: 00007f7beefd8430 CR3: 0000000001df6001 CR4: 0000000000771ef0
[   13.977324][  T298] PKRU: 55555554
[   13.977469][  T298] Call Trace:
[   13.977623][  T298]  <TASK>
[   13.977738][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.977924][  T298]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.978103][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.978250][  T298]  register_netdevice (net/core/dev.c:11488)
[   13.978429][  T298]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.978649][  T298]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.978836][  T298]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.979020][  T298]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.979199][  T298]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.979380][  T298]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.979572][  T298]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.979751][  T298]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   13.979939][  T298]  ops_init (net/core/net_namespace.c:137)
[   13.980087][  T298]  setup_net (net/core/net_namespace.c:446)
[   13.980234][  T298]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.980409][  T298]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.980604][  T298]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.980792][  T298]  copy_net_ns (net/core/net_namespace.c:579)
[   13.980973][  T298]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.981152][  T298]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.981331][  T298]  ksys_unshare (kernel/fork.c:3243)
[   13.981522][  T298]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.981700][  T298]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.981892][  T298]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   13.982070][  T298]  ? __ia32_sys_open (fs/open.c:1374)
[   13.982250][  T298]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.982426][  T298]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.982615][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.982802][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.982981][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.983159][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.983370][  T298] RIP: 0033:0x7f7bef093bcb
[   13.983565][  T298] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.984077][  T298] RSP: 002b:00007ffcef72ca48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.984321][  T298] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7bef093bcb
[   13.984578][  T298] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.984826][  T298] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.985068][  T298] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcef72ec70
[   13.985315][  T298] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcef730867
| [   13.991097][  T298] ------------[ cut here ]------------
| [   13.991281][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/298
| [   13.991572][  T298] Modules linked in:
| [   13.992044][  T298] Tainted: [W]=WARN
[   13.992200][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.992411][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.992712][  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
[   13.993291][  T298] RSP: 0018:ffa00000005378f8 EFLAGS: 00010286
[   13.993572][  T298] RAX: 00000000ffffffa6 RBX: ff1100000d16c580 RCX: 1ff40000000a6ee5
[   13.993877][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d16c63c
[   13.994178][  T298] RBP: ff1100000ec4c000 R08: 1fe2200001a2d8c9 R09: ff1100000edf0b80
[   13.994486][  T298] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.994807][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ec4c000
[   13.995107][  T298] FS:  00007f7beedd1840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   13.995441][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.995721][  T298] CR2: 00007f7beefd8430 CR3: 0000000001df6001 CR4: 0000000000771ef0
[   13.996035][  T298] PKRU: 55555554
[   13.996235][  T298] Call Trace:
[   13.996433][  T298]  <TASK>
[   13.996611][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.996857][  T298]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.997092][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.997293][  T298]  register_netdevice (net/core/dev.c:11488)
[   13.997541][  T298]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.997816][  T298]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.998051][  T298]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.998283][  T298]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   13.998530][  T298]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   13.998767][  T298]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.999010][  T298]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   13.999244][  T298]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.999477][  T298]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.999725][  T298]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.999972][  T298]  ops_init (net/core/net_namespace.c:137)
[   14.000177][  T298]  setup_net (net/core/net_namespace.c:446)
[   14.000383][  T298]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.000629][  T298]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.000871][  T298]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.001109][  T298]  copy_net_ns (net/core/net_namespace.c:579)
[   14.001342][  T298]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.001552][  T298]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.001733][  T298]  ksys_unshare (kernel/fork.c:3243)
[   14.001928][  T298]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.002109][  T298]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.002289][  T298]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.002470][  T298]  ? __ia32_sys_open (fs/open.c:1374)
[   14.002663][  T298]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.002852][  T298]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.003032][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.003212][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.003393][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.003584][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.003801][  T298] RIP: 0033:0x7f7bef093bcb
[   14.003986][  T298] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.004511][  T298] RSP: 002b:00007ffcef72ca48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.004755][  T298] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7bef093bcb
[   14.005003][  T298] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.005243][  T298] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.005488][  T298] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcef72ec70
[   14.005743][  T298] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcef730867
| [   14.010361][  T298] ------------[ cut here ]------------
| [   14.010537][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/298
| [   14.010772][  T298] Modules linked in:
| [   14.011145][  T298] Tainted: [W]=WARN
[   14.011245][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.011406][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.011585][  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
[   14.012059][  T298] RSP: 0018:ffa0000000537a78 EFLAGS: 00010286
[   14.012224][  T298] RAX: 00000000ffffffa6 RBX: ff110000057fa580 RCX: 1ff40000000a6f15
[   14.012417][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057fa63c
[   14.012613][  T298] RBP: ff1100000f5c4000 R08: 1fe2200000aff4c9 R09: ff1100000edf0b80
[   14.012818][  T298] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.013015][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f5c4000
[   14.013215][  T298] FS:  00007f7beedd1840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   14.013442][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.013609][  T298] CR2: 000055d2bbbfcd5c CR3: 0000000001df6004 CR4: 0000000000771ef0
[   14.013811][  T298] PKRU: 55555554
[   14.013908][  T298] Call Trace:
[   14.014009][  T298]  <TASK>
[   14.014079][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.014211][  T298]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.014343][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.014442][  T298]  register_netdevice (net/core/dev.c:11488)
[   14.014579][  T298]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.014741][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.014885][  T298]  register_netdev (net/core/dev.c:11552)
[   14.015017][  T298]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.015147][  T298]  ops_init (net/core/net_namespace.c:137)
[   14.015247][  T298]  setup_net (net/core/net_namespace.c:446)
[   14.015345][  T298]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.015473][  T298]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.015609][  T298]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.015746][  T298]  copy_net_ns (net/core/net_namespace.c:579)
[   14.015889][  T298]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.016023][  T298]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.016154][  T298]  ksys_unshare (kernel/fork.c:3243)
[   14.016285][  T298]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.016415][  T298]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.016551][  T298]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.016681][  T298]  ? __ia32_sys_open (fs/open.c:1374)
[   14.016820][  T298]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.016955][  T298]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.017086][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.017218][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.017353][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.017484][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.017653][  T298] RIP: 0033:0x7f7bef093bcb
[   14.017805][  T298] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.018276][  T298] RSP: 002b:00007ffcef72ca48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.018472][  T298] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7bef093bcb
[   14.018671][  T298] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.018870][  T298] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.019064][  T298] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcef72ec70
[   14.019258][  T298] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcef730867
| [   14.023384][  T298] ------------[ cut here ]------------
| [   14.023530][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/298
| [   14.023757][  T298] Modules linked in:
| [   14.024121][  T298] Tainted: [W]=WARN
[   14.024219][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.024382][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.024556][  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
[   14.025023][  T298] RSP: 0018:ffa0000000537a68 EFLAGS: 00010286
[   14.025188][  T298] RAX: 00000000ffffffa6 RBX: ff110000111e2900 RCX: 1ff40000000a6f13
[   14.025381][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111e29bc
[   14.025578][  T298] RBP: ff1100000b549000 R08: 1fe220000223c539 R09: ff1100000edf0b80
[   14.025773][  T298] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.025972][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b549000
[   14.026169][  T298] FS:  00007f7beedd1840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   14.026398][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.026579][  T298] CR2: 000055d2bbbfcd5c CR3: 0000000001df6004 CR4: 0000000000771ef0
[   14.026775][  T298] PKRU: 55555554
[   14.026880][  T298] Call Trace:
[   14.026977][  T298]  <TASK>
[   14.027045][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.027176][  T298]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.027308][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.027407][  T298]  register_netdevice (net/core/dev.c:11488)
[   14.027566][  T298]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.027809][  T298]  register_netdev (net/core/dev.c:11552)
[   14.027955][  T298]  sit_init_net (net/ipv6/sit.c:1860)
[   14.028088][  T298]  ops_init (net/core/net_namespace.c:137)
[   14.028188][  T298]  setup_net (net/core/net_namespace.c:446)
[   14.028289][  T298]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.028419][  T298]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.028558][  T298]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.028693][  T298]  copy_net_ns (net/core/net_namespace.c:579)
[   14.028827][  T298]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.028961][  T298]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.029093][  T298]  ksys_unshare (kernel/fork.c:3243)
[   14.029225][  T298]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.029356][  T298]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.029487][  T298]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.029624][  T298]  ? __ia32_sys_open (fs/open.c:1374)
[   14.029758][  T298]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.029892][  T298]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.030020][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.030150][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.030281][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.030411][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.030594][  T298] RIP: 0033:0x7f7bef093bcb
[   14.030732][  T298] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.031201][  T298] RSP: 002b:00007ffcef72ca48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.031396][  T298] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7bef093bcb
[   14.031597][  T298] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.031798][  T298] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.031993][  T298] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcef72ec70
[   14.032189][  T298] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcef730867
| [   14.037029][  T298] ------------[ cut here ]------------
| [   14.037168][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/298
| [   14.037394][  T298] Modules linked in:
| [   14.037765][  T298] Tainted: [W]=WARN
[   14.037874][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.038044][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.038219][  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
[   14.038703][  T298] RSP: 0018:ffa0000000537a78 EFLAGS: 00010286
[   14.038880][  T298] RAX: 00000000ffffffa6 RBX: ff1100000d0531c0 RCX: 1ff40000000a6f15
[   14.039075][  T298] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d05327c
[   14.039267][  T298] RBP: ff1100000f594000 R08: 1fe2200001a0a651 R09: ff1100000edf0b80
[   14.039462][  T298] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.039665][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f594000
[   14.039869][  T298] FS:  00007f7beedd1840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   14.040097][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.040259][  T298] CR2: 000055d2bbbfcd5c CR3: 0000000001df6004 CR4: 0000000000771ef0
[   14.040454][  T298] PKRU: 55555554
[   14.040561][  T298] Call Trace:
[   14.040658][  T298]  <TASK>
[   14.040726][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.040862][  T298]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.040992][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.041091][  T298]  register_netdevice (net/core/dev.c:11488)
[   14.041224][  T298]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.041385][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.041523][  T298]  register_netdev (net/core/dev.c:11552)
[   14.041652][  T298]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.041788][  T298]  ops_init (net/core/net_namespace.c:137)
[   14.041888][  T298]  setup_net (net/core/net_namespace.c:446)
[   14.041987][  T298]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.042116][  T298]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.042247][  T298]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.042382][  T298]  copy_net_ns (net/core/net_namespace.c:579)
[   14.042518][  T298]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.042652][  T298]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.042789][  T298]  ksys_unshare (kernel/fork.c:3243)
[   14.042921][  T298]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.043051][  T298]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.043182][  T298]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.043314][  T298]  ? __ia32_sys_open (fs/open.c:1374)
[   14.043449][  T298]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.044092][  T298]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.044225][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.044355][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.044484][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.044670][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.044839][  T298] RIP: 0033:0x7f7bef093bcb
[   14.044976][  T298] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.045442][  T298] RSP: 002b:00007ffcef72ca48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   14.045701][  T298] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7bef093bcb
[   14.045903][  T298] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.046097][  T298] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.046292][  T298] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcef72ec70
[   14.046487][  T298] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcef730867
| [   14.078081][  T299] ------------[ cut here ]------------
| [   14.078232][  T299] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/299
| [   14.078464][  T299] Modules linked in:
| [   14.079586][  T299] Tainted: [W]=WARN
[   14.079686][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.079853][  T299] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.080022][  T299] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.080484][  T299] RSP: 0018:ffa0000000d67020 EFLAGS: 00010286
[   14.080681][  T299] RAX: 00000000ffffffa6 RBX: ff1100000d054e40 RCX: 1ff40000001acdca
[   14.080881][  T299] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d054efc
[   14.081077][  T299] RBP: ff1100000f9f9000 R08: 1fe2200001a0a9e1 R09: ff1100000edf2e58
[   14.081271][  T299] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.081471][  T299] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.081673][  T299] FS:  00007f4f95def840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   14.081907][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.082069][  T299] CR2: 000000001436d988 CR3: 000000000bcf5001 CR4: 0000000000771ef0
[   14.082265][  T299] PKRU: 55555554
[   14.082362][  T299] Call Trace:
[   14.082462][  T299]  <TASK>
[   14.082534][  T299]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.082667][  T299]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.082767][  T299]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.082905][  T299]  __dev_notify_flags (net/core/dev.c:9787)
[   14.083039][  T299]  ? netif_change_name (net/core/dev.c:1495)
[   14.083170][  T299]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.083301][  T299]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.083430][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.083567][  T299]  ? 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))
[   14.083700][  T299]  netif_change_flags (net/core/dev.c:9820)
[   14.083837][  T299]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.083966][  T299]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.084098][  T299]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.084229][  T299]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.084392][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.084527][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.084662][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.084806][  T299]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.084940][  T299]  ? __kernel_text_address (kernel/extable.c:79)
[   14.085072][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.085202][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.085332][  T299]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.085462][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.085599][  T299]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.085733][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.085872][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.086005][  T299]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.086142][  T299]  ? __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)
[   14.086275][  T299]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.086404][  T299]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.086542][  T299]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.086675][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.086817][  T299]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.086950][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.087078][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.087210][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.087339][  T299]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.087469][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.087608][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.087738][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.087876][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.088005][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.088135][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.088265][  T299]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.088395][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.088531][  T299]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.088662][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.088797][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.088927][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.089057][  T299]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.089187][  T299]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.089316][  T299]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.089449][  T299]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.089581][  T299]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.089713][  T299]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.089858][  T299]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.089988][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.090118][  T299]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.090248][  T299]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.090377][  T299]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.090514][  T299]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.090646][  T299]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.090776][  T299]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.090942][  T299]  ? move_addr_to_kernel (net/socket.c:258)
[   14.091072][  T299]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.091201][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.091331][  T299]  ___sys_sendmsg (net/socket.c:2752)
[   14.091460][  T299]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.091627][  T299]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.091769][  T299]  __sys_sendmsg (net/socket.c:2784)
[   14.091905][  T299]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.092034][  T299]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.092198][  T299]  ? 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)
[   14.092328][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.092458][  T299]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.092593][  T299]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.092721][  T299]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.092855][  T299]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.093016][  T299] RIP: 0033:0x7f4f9602908e
[   14.093150][  T299] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.093613][  T299] RSP: 002b:00007ffe2c0d67c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.093812][  T299] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4f9602908e
[   14.094005][  T299] RDX: 0000000000000000 RSI: 00007ffe2c0d6870 RDI: 0000000000000005
[   14.094199][  T299] RBP: 00007ffe2c0d67d0 R08: 0000000000000000 R09: 0000000000000000
[   14.094394][  T299] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   14.094593][  T299] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2c0d6f40
| [   14.275225][  T304] ------------[ cut here ]------------
| [   14.275434][  T304] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/304
| [   14.275735][  T304] Modules linked in:
| [   14.276212][  T304] Tainted: [W]=WARN
[   14.276359][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.276585][  T304] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.276813][  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
[   14.277328][  T304] RSP: 0018:ffa0000000da6e30 EFLAGS: 00010286
[   14.277563][  T304] RAX: 00000000ffffffa6 RBX: ff1100000d055000 RCX: 1ff40000001b4d8c
[   14.277820][  T304] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0550bc
[   14.278063][  T304] RBP: ff11000005929000 R08: 1fe2200001a0aa19 R09: ff1100000e8e5180
[   14.278309][  T304] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.278567][  T304] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf2ce80
[   14.278827][  T304] FS:  00007fee91472840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   14.279104][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.279318][  T304] CR2: 000000000042ebe0 CR3: 000000000da61005 CR4: 0000000000771ef0
[   14.279578][  T304] PKRU: 55555554
[   14.279733][  T304] Call Trace:
[   14.279891][  T304]  <TASK>
[   14.280010][  T304]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   14.280224][  T304]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.280407][  T304]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.280642][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.280886][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.281121][  T304]  __dev_notify_flags (net/core/dev.c:9787)
[   14.281359][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.281570][  T304]  ? netif_change_name (net/core/dev.c:1495)
[   14.281752][  T304]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   14.281953][  T304]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   14.282136][  T304]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.282316][  T304]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.282496][  T304]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   14.282692][  T304]  veth_newlink (drivers/net/veth.c:1871)
[   14.282887][  T304]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   14.283068][  T304]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.283249][  T304]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.283429][  T304]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.283636][  T304]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   14.283823][  T304]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   14.284006][  T304]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.284190][  T304]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.284376][  T304]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   14.284571][  T304]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   14.284753][  T304]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.284942][  T304]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.285122][  T304]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.285307][  T304]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.285491][  T304]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.285687][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.285879][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.286062][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.286242][  T304]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.286422][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.286621][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.286809][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.286991][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.287176][  T304]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.287356][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.287548][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.287731][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.287922][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.288106][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.288288][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.288469][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.288668][  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))
[   14.288856][  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))
[   14.289038][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.289221][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.289401][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.289596][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.289785][  T304]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.289970][  T304]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.290152][  T304]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.290333][  T304]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.290526][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.290738][  T304]  ? move_addr_to_kernel (net/socket.c:258)
[   14.290931][  T304]  ___sys_sendmsg (net/socket.c:2752)
[   14.291110][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.291295][  T304]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.291484][  T304]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   14.291678][  T304]  __sys_sendmsg (net/socket.c:2784)
[   14.291867][  T304]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.292053][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.292234][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.292416][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.292608][  T304]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.292801][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.292983][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.293194][  T304] RIP: 0033:0x7fee916ac08e
[   14.293379][  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
[   14.293916][  T304] RSP: 002b:00007fff2679d0a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.294163][  T304] RAX: ffffffffffffffda RBX: 00007fff2679d848 RCX: 00007fee916ac08e
[   14.294406][  T304] RDX: 0000000000000000 RSI: 00007fff2679d150 RDI: 0000000000000005
[   14.294663][  T304] RBP: 00007fff2679d0b0 R08: 0000000000000000 R09: 0000000000000000
[   14.294917][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   14.295164][  T304] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2679d820
| [   14.303995][  T304] ------------[ cut here ]------------
| [   14.304144][  T304] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/304
| [   14.304373][  T304] Modules linked in:
| [   14.304945][  T304] Tainted: [W]=WARN
[   14.305049][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.305215][  T304] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.305386][  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
[   14.305862][  T304] RSP: 0018:ffa0000000da71b0 EFLAGS: 00010286
[   14.306028][  T304] RAX: 00000000ffffffa6 RBX: ff1100000dbb4ac0 RCX: 1ff40000001b4dfc
[   14.306222][  T304] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb4b7c
[   14.306418][  T304] RBP: ff1100000a504000 R08: 1fe2200001b76971 R09: ff1100000e8e5180
[   14.306618][  T304] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.306819][  T304] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e603b20
[   14.307017][  T304] FS:  00007fee91472840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   14.307248][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.307411][  T304] CR2: 00007ffc888bffa9 CR3: 000000000da61003 CR4: 0000000000771ef0
[   14.307614][  T304] PKRU: 55555554
[   14.307712][  T304] Call Trace:
[   14.307817][  T304]  <TASK>
[   14.307886][  T304]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.308019][  T304]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.308119][  T304]  __dev_notify_flags (net/core/dev.c:9787)
[   14.308251][  T304]  ? netif_change_name (net/core/dev.c:1495)
[   14.308383][  T304]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.308516][  T304]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.308650][  T304]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.308789][  T304]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.308922][  T304]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.309053][  T304]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.309183][  T304]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.309321][  T304]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.309456][  T304]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.309594][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.309729][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.309864][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.309994][  T304]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.310125][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.310260][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.310392][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.310529][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.310660][  T304]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.310796][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.310926][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.311059][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.311190][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.311321][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.311453][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.311592][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.311728][  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))
[   14.311866][  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))
[   14.311999][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.312132][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.312263][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.312397][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.312535][  T304]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.312667][  T304]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.312807][  T304]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.312938][  T304]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.313069][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.313233][  T304]  ? move_addr_to_kernel (net/socket.c:258)
[   14.313368][  T304]  ___sys_sendmsg (net/socket.c:2752)
[   14.313504][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.313636][  T304]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.313777][  T304]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   14.313915][  T304]  __sys_sendmsg (net/socket.c:2784)
[   14.314047][  T304]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.314181][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.314312][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.314444][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.314578][  T304]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.314709][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.314848][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.315009][  T304] RIP: 0033:0x7fee916ac08e
[   14.315145][  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
[   14.315623][  T304] RSP: 002b:00007fff2679d0a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.315827][  T304] RAX: ffffffffffffffda RBX: 00007fff2679d848 RCX: 00007fee916ac08e
[   14.316024][  T304] RDX: 0000000000000000 RSI: 00007fff2679d150 RDI: 0000000000000005
[   14.316220][  T304] RBP: 00007fff2679d0b0 R08: 0000000000000000 R09: 0000000000000000
[   14.316416][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   14.316619][  T304] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff2679d820
| [   14.365602][  T305] ------------[ cut here ]------------
| [   14.365748][  T305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/305
| [   14.365975][  T305] Modules linked in:
| [   14.366479][  T305] Tainted: [W]=WARN
[   14.366650][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.366900][  T305] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.367115][  T305] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.367580][  T305] RSP: 0018:ffa0000000db6ff8 EFLAGS: 00010286
[   14.367746][  T305] RAX: 00000000ffffffa6 RBX: ff110000111e3e00 RCX: 1ff40000001b6dc5
[   14.367943][  T305] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111e3ebc
[   14.368131][  T305] RBP: ff11000005929000 R08: 1fe220000223c7d9 R09: ff1100000eef8b58
[   14.368321][  T305] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.368514][  T305] R13: 0000000000000000 R14: ffa0000000db7140 R15: ff1100000db93850
[   14.368705][  T305] FS:  00007f2d9d6d7840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   14.368929][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.369086][  T305] CR2: 0000000027433988 CR3: 000000000a703006 CR4: 0000000000771ef0
[   14.369275][  T305] PKRU: 55555554
[   14.369369][  T305] Call Trace:
[   14.369464][  T305]  <TASK>
[   14.369537][  T305]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   14.369666][  T305]  __dev_change_net_namespace (net/core/dev.c:12635)
[   14.369826][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.369953][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.370082][  T305]  ? default_device_exit_batch (net/core/dev.c:13091)
[   14.370238][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.370364][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.370491][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.370624][  T305]  ? 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))
[   14.370752][  T305]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.370885][  T305]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   14.371015][  T305]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   14.371142][  T305]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.371270][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.371428][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.371563][  T305]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.371688][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.371819][  T305]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.371948][  T305]  ? __kernel_text_address (kernel/extable.c:79)
[   14.372075][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.372204][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.372330][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.372457][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.372590][  T305]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.372716][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.372850][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.372977][  T305]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.373104][  T305]  ? __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)
[   14.373230][  T305]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.373356][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.373484][  T305]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.373675][  T305]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.373809][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.373939][  T305]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.374066][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.374190][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.374316][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.374448][  T305]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.374626][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.374755][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.374883][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.375008][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.375139][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.375266][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.375392][  T305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.375528][  T305]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.375654][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.375790][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.375919][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.376043][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.376170][  T305]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.376296][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.376423][  T305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.376558][  T305]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.376683][  T305]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.376819][  T305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.376948][  T305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.377074][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.377202][  T305]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.377329][  T305]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.377455][  T305]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.377588][  T305]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.377713][  T305]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.377847][  T305]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.378002][  T305]  ? move_addr_to_kernel (net/socket.c:258)
[   14.378128][  T305]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.378254][  T305]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.378381][  T305]  ___sys_sendmsg (net/socket.c:2752)
[   14.378512][  T305]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.378669][  T305]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.378814][  T305]  __sys_sendmsg (net/socket.c:2784)
[   14.378942][  T305]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.379070][  T305]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.379229][  T305]  ? 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)
[   14.379356][  T305]  ? 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)
[   14.379484][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.379623][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.379752][  T305]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.379885][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.380010][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.380167][  T305] RIP: 0033:0x7f2d9d91108e
[   14.380301][  T305] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.380755][  T305] RSP: 002b:00007ffc4b28f3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.380949][  T305] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2d9d91108e
[   14.381137][  T305] RDX: 0000000000000000 RSI: 00007ffc4b28f490 RDI: 0000000000000005
[   14.381325][  T305] RBP: 00007ffc4b28f3f0 R08: 0000000000000000 R09: 0000000000000000
[   14.381517][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   14.381706][  T305] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4b28fb60
| [   14.384218][  T305] ------------[ cut here ]------------
| [   14.384348][  T305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/305
| [   14.385060][  T305] Modules linked in:
| [   14.385469][  T305] Tainted: [W]=WARN
[   14.385625][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.385789][  T305] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.385956][  T305] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.386422][  T305] RSP: 0018:ffa0000000db6fc0 EFLAGS: 00010286
[   14.386636][  T305] RAX: 00000000ffffffa6 RBX: ff110000111e3000 RCX: 1ff40000001b6dbe
[   14.386828][  T305] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111e30bc
[   14.387017][  T305] RBP: ff11000005929000 R08: 1fe220000223c619 R09: ff1100000eef8b58
[   14.387205][  T305] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.387396][  T305] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000db93850
[   14.387643][  T305] FS:  00007f2d9d6d7840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   14.387879][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.388038][  T305] CR2: 0000000027433988 CR3: 000000000a703006 CR4: 0000000000771ef0
[   14.388230][  T305] PKRU: 55555554
[   14.388324][  T305] Call Trace:
[   14.388418][  T305]  <TASK>
[   14.388484][  T305]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.388667][  T305]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.388797][  T305]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.388894][  T305]  __dev_change_net_namespace (net/core/dev.c:12695)
[   14.389054][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.389183][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.389311][  T305]  ? default_device_exit_batch (net/core/dev.c:13091)
[   14.389469][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.389649][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.389777][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.389911][  T305]  ? 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))
[   14.390038][  T305]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   14.390167][  T305]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   14.390295][  T305]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   14.390424][  T305]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.390608][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.390765][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.390896][  T305]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.391024][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.391152][  T305]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.391279][  T305]  ? __kernel_text_address (kernel/extable.c:79)
[   14.391408][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.391591][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.391717][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.391850][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.391976][  T305]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.392102][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.392229][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.392355][  T305]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.392482][  T305]  ? __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)
[   14.392662][  T305]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.392793][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.392922][  T305]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.393048][  T305]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.393179][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.393310][  T305]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.393439][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.393620][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.393748][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.393880][  T305]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.394005][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.394134][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.394262][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.394389][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.394570][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.394698][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.394829][  T305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.394956][  T305]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.395082][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.395210][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.395341][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.395468][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.395653][  T305]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.395787][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.395914][  T305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.396044][  T305]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.396170][  T305]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.396301][  T305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.396428][  T305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.396611][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.396740][  T305]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.396876][  T305]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.397003][  T305]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.397131][  T305]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.397260][  T305]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.397387][  T305]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.397596][  T305]  ? move_addr_to_kernel (net/socket.c:258)
[   14.397725][  T305]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.397858][  T305]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.397986][  T305]  ___sys_sendmsg (net/socket.c:2752)
[   14.398112][  T305]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.398272][  T305]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.398411][  T305]  __sys_sendmsg (net/socket.c:2784)
[   14.398578][  T305]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.398704][  T305]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.398869][  T305]  ? 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)
[   14.398995][  T305]  ? 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)
[   14.399121][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.399250][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.399376][  T305]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.399508][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.399635][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.399798][  T305] RIP: 0033:0x7f2d9d91108e
[   14.399931][  T305] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.400385][  T305] RSP: 002b:00007ffc4b28f3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.400584][  T305] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2d9d91108e
[   14.400772][  T305] RDX: 0000000000000000 RSI: 00007ffc4b28f490 RDI: 0000000000000005
[   14.400974][  T305] RBP: 00007ffc4b28f3f0 R08: 0000000000000000 R09: 0000000000000000
[   14.401165][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   14.401355][  T305] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4b28fb60
| [   14.491488][  T308] ------------[ cut here ]------------
| [   14.491654][  T308] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/308
| [   14.491895][  T308] Modules linked in:
| [   14.492262][  T308] Tainted: [W]=WARN
[   14.492367][  T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.492539][  T308] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.492710][  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
[   14.493180][  T308] RSP: 0018:ffa0000000de7020 EFLAGS: 00010286
[   14.493346][  T308] RAX: 00000000ffffffa6 RBX: ff110000090431c0 RCX: 1ff40000001bcdca
[   14.493546][  T308] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000904327c
[   14.493741][  T308] RBP: ff1100000a504000 R08: 1fe2200001208651 R09: ff1100000ff62e58
[   14.493944][  T308] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   14.494139][  T308] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.494335][  T308] FS:  00007fe4f6d98840(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   14.494572][  T308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.494737][  T308] CR2: 000000001714c988 CR3: 000000000a703003 CR4: 0000000000771ef0
[   14.494941][  T308] PKRU: 55555554
[   14.495038][  T308] Call Trace:
[   14.495136][  T308]  <TASK>
[   14.495204][  T308]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.495337][  T308]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.495436][  T308]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.495574][  T308]  __dev_notify_flags (net/core/dev.c:9787)
[   14.495706][  T308]  ? netif_change_name (net/core/dev.c:1495)
[   14.495842][  T308]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.495973][  T308]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.496103][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.496237][  T308]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.496369][  T308]  netif_change_flags (net/core/dev.c:9820)
[   14.496507][  T308]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.496638][  T308]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.496771][  T308]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.496912][  T308]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.497074][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.497204][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.497334][  T308]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.497464][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.497690][  T308]  ? __kernel_text_address (kernel/extable.c:79)
[   14.497826][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.497958][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.498088][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.498218][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.498347][  T308]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.498477][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.498672][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.498806][  T308]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.498937][  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)
[   14.499066][  T308]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.499197][  T308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.499328][  T308]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.499461][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.499672][  T308]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.499874][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.500006][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.500137][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.500267][  T308]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.500396][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.500603][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.500733][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.500869][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.500998][  T308]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.501128][  T308]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.501258][  T308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.501387][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.501589][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.501719][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.501858][  T308]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.501987][  T308]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.502116][  T308]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.502246][  T308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.502378][  T308]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.502598][  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))
[   14.502734][  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))
[   14.502877][  T308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.503007][  T308]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.503136][  T308]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.503267][  T308]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.503399][  T308]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.503561][  T308]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.503694][  T308]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.503829][  T308]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.503959][  T308]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.504118][  T308]  ? move_addr_to_kernel (net/socket.c:258)
[   14.504248][  T308]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.504379][  T308]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.504516][  T308]  ___sys_sendmsg (net/socket.c:2752)
[   14.504645][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.504813][  T308]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.504956][  T308]  __sys_sendmsg (net/socket.c:2784)
[   14.505087][  T308]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.505216][  T308]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.505381][  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)
[   14.505514][  T308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.505646][  T308]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.505775][  T308]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.505910][  T308]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.506041][  T308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.506202][  T308] RIP: 0033:0x7fe4f6fd208e
[   14.506338][  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
[   14.506813][  T308] RSP: 002b:00007fffcb6b7a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.507009][  T308] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe4f6fd208e
[   14.507202][  T308] RDX: 0000000000000000 RSI: 00007fffcb6b7b00 RDI: 0000000000000005
[   14.507395][  T308] RBP: 00007fffcb6b7a60 R08: 0000000000000000 R09: 0000000000000000
[   14.507594][  T308] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   14.507794][  T308] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcb6b81d0
| [   14.568389][  T310] ------------[ cut here ]------------
| [   14.568559][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/310
| [   14.568796][  T310] Modules linked in:
| [   14.569172][  T310] Tainted: [W]=WARN
[   14.569271][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.569440][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.569620][  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
[   14.570132][  T310] RSP: 0018:ffa0000000e071b0 EFLAGS: 00010286
[   14.570298][  T310] RAX: 00000000ffffffa6 RBX: ff11000009560e40 RCX: 1ff40000001c0dfc
[   14.570495][  T310] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009560efc
[   14.570695][  T310] RBP: ff1100000a56c000 R08: 1fe22000012ac1e1 R09: ff1100000e362e80
[   14.570896][  T310] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.571118][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e608da0
[   14.571318][  T310] FS:  00007fa37f6e8840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   14.571557][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.571721][  T310] CR2: 00007fa37fa5d040 CR3: 0000000009d1f005 CR4: 0000000000771ef0
[   14.571925][  T310] PKRU: 55555554
[   14.572024][  T310] Call Trace:
[   14.572123][  T310]  <TASK>
[   14.572193][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.572329][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.572428][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.572567][  T310]  __dev_notify_flags (net/core/dev.c:9787)
[   14.572700][  T310]  ? netif_change_name (net/core/dev.c:1495)
[   14.572838][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.572968][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.573100][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.573233][  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)
[   14.573367][  T310]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.573507][  T310]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   14.573639][  T310]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   14.573773][  T310]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   14.573914][  T310]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   14.574046][  T310]  ? __dev_get_by_name (net/core/dev.c:883)
[   14.574177][  T310]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   14.574317][  T310]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   14.574452][  T310]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.574592][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.574723][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.574867][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.574998][  T310]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.575129][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.575266][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.575399][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.575536][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.575669][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.575809][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.575940][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.576074][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.576206][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.576340][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.576471][  T310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.576608][  T310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.576744][  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))
[   14.576883][  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))
[   14.577018][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.577152][  T310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.577285][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.577418][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.577556][  T310]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.577690][  T310]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.577828][  T310]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.577960][  T310]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.578093][  T310]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.578257][  T310]  ? move_addr_to_kernel (net/socket.c:258)
[   14.578396][  T310]  ___sys_sendmsg (net/socket.c:2752)
[   14.578533][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.578665][  T310]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.578812][  T310]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   14.578948][  T310]  __sys_sendmsg (net/socket.c:2784)
[   14.579081][  T310]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.579217][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.579352][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.579484][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.579625][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.579757][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.579895][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.580059][  T310] RIP: 0033:0x7fa37f92208e
[   14.580197][  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
[   14.580672][  T310] RSP: 002b:00007ffef0380030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.580880][  T310] RAX: ffffffffffffffda RBX: 00007ffef03807d8 RCX: 00007fa37f92208e
[   14.581076][  T310] RDX: 0000000000000000 RSI: 00007ffef03800e0 RDI: 0000000000000005
[   14.581274][  T310] RBP: 00007ffef0380040 R08: 0000000000000000 R09: 0000000000000000
[   14.581474][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   14.581677][  T310] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef03807b0
| [   14.605278][  T311] ------------[ cut here ]------------
| [   14.605467][  T311] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/311
| [   14.606340][  T311] Modules linked in:
| [   14.606814][  T311] Tainted: [W]=WARN
[   14.606960][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.607171][  T311] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.607387][  T311] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.607912][  T311] RSP: 0018:ffa0000000e17020 EFLAGS: 00010286
[   14.608122][  T311] RAX: 00000000ffffffa6 RBX: ff1100000963ee40 RCX: 1ff40000001c2dca
[   14.608365][  T311] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000963eefc
[   14.608615][  T311] RBP: ff1100000a56c000 R08: 1fe22000012c7de1 R09: ff1100000e360b58
[   14.608864][  T311] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   14.609105][  T311] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.609351][  T311] FS:  00007fd3b5358840(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   14.609637][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.609859][  T311] CR2: 00000000398ff988 CR3: 0000000010107002 CR4: 0000000000771ef0
[   14.610100][  T311] PKRU: 55555554
[   14.610244][  T311] Call Trace:
[   14.610387][  T311]  <TASK>
[   14.610517][  T311]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.610698][  T311]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.610856][  T311]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.611038][  T311]  __dev_notify_flags (net/core/dev.c:9787)
[   14.611220][  T311]  ? netif_change_name (net/core/dev.c:1495)
[   14.611397][  T311]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.611585][  T311]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.611764][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.611951][  T311]  ? 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))
[   14.612131][  T311]  netif_change_flags (net/core/dev.c:9820)
[   14.612315][  T311]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.612493][  T311]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.612687][  T311]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.612875][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.613090][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.613267][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.613447][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.613637][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.613823][  T311]  ? __kernel_text_address (kernel/extable.c:79)
[   14.614002][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.614183][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.614362][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.614553][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.614732][  T311]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.614918][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.615097][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.615276][  T311]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.615454][  T311]  ? __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)
[   14.615647][  T311]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.615838][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.616020][  T311]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.616201][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.616385][  T311]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.616578][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.616754][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.616943][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.617122][  T311]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.617299][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.617481][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.617669][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.617858][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.618039][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.618220][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.618401][  T311]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.618592][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.618769][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.618954][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.619134][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.619313][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.619493][  T311]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.619684][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.619874][  T311]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.620058][  T311]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.620238][  T311]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.620418][  T311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.620611][  T311]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.620794][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.620975][  T311]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.621155][  T311]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.621338][  T311]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.621530][  T311]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.621708][  T311]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.621892][  T311]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.622104][  T311]  ? move_addr_to_kernel (net/socket.c:258)
[   14.622284][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.622463][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.622658][  T311]  ___sys_sendmsg (net/socket.c:2752)
[   14.622846][  T311]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.623057][  T311]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.623248][  T311]  __sys_sendmsg (net/socket.c:2784)
[   14.623428][  T311]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.623616][  T311]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.623842][  T311]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.624027][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.624245][  T311]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.624423][  T311]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.624615][  T311]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.624805][  T311]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.625029][  T311] RIP: 0033:0x7fd3b559208e
[   14.625213][  T311] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.625790][  T311] RSP: 002b:00007fff99c493c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.626035][  T311] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3b559208e
[   14.626280][  T311] RDX: 0000000000000000 RSI: 00007fff99c49470 RDI: 0000000000000005
[   14.626538][  T311] RBP: 00007fff99c493d0 R08: 0000000000000000 R09: 0000000000000000
[   14.626787][  T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   14.627029][  T311] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff99c49b40
| [   14.736106][  T315] ------------[ cut here ]------------
| [   14.736265][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/315
| [   14.736496][  T315] Modules linked in:
| [   14.737450][  T315] Tainted: [W]=WARN
[   14.737558][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.737724][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.737901][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.738375][  T315] RSP: 0018:ffa0000000986f40 EFLAGS: 00010286
[   14.738547][  T315] RAX: 00000000ffffffa6 RBX: ff11000008fa9c40 RCX: 1ff4000000130dae
[   14.738744][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fa9cfc
[   14.738950][  T315] RBP: ff11000005929000 R08: 1fe22000011f53a1 R09: ff1100000fbed158
[   14.739149][  T315] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   14.739347][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   14.739553][  T315] FS:  00007f55a2b2d840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   14.739795][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.739962][  T315] CR2: 00000000004eb738 CR3: 0000000004d33004 CR4: 0000000000771ef0
[   14.740163][  T315] PKRU: 55555554
[   14.740262][  T315] Call Trace:
[   14.740364][  T315]  <TASK>
[   14.740432][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.740583][  T315]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   14.740716][  T315]  notifier_call_chain (kernel/notifier.c:85)
[   14.740858][  T315]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   14.740994][  T315]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   14.741128][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.741261][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.741394][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.741533][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.741664][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.741804][  T315]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   14.741937][  T315]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   14.742072][  T315]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   14.742206][  T315]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.742340][  T315]  do_set_master (net/core/rtnetlink.c:3011)
[   14.742472][  T315]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.742612][  T315]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   14.742747][  T315]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.742890][  T315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.743055][  T315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.743189][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.743322][  T315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.743460][  T315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.743601][  T315]  ? __kernel_text_address (kernel/extable.c:79)
[   14.743732][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.743872][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.744005][  T315]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.744140][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.744273][  T315]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.744406][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.744543][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.744676][  T315]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.744816][  T315]  ? __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)
[   14.744949][  T315]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.745083][  T315]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.745217][  T315]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.745348][  T315]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.745484][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.745624][  T315]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.745758][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.745892][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.746024][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.746155][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.746286][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.746420][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.746558][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.746691][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.746828][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.746962][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.747095][  T315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.747226][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.747359][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.747517][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.747651][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.747785][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.747921][  T315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.748053][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.748186][  T315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.748321][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.748453][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.748594][  T315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.748727][  T315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.748862][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.748999][  T315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.749133][  T315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.749266][  T315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.749400][  T315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.749539][  T315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.749672][  T315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.749840][  T315]  ? move_addr_to_kernel (net/socket.c:258)
[   14.749978][  T315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.750111][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.750244][  T315]  ___sys_sendmsg (net/socket.c:2752)
[   14.750376][  T315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.750544][  T315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.750690][  T315]  __sys_sendmsg (net/socket.c:2784)
[   14.750827][  T315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.750961][  T315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.751128][  T315]  ? 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)
[   14.751260][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.751394][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.751531][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.751665][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.751801][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.751966][  T315] RIP: 0033:0x7f55a2d6708e
[   14.752105][  T315] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.752583][  T315] RSP: 002b:00007ffc2b3e3e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.752787][  T315] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f55a2d6708e
[   14.752987][  T315] RDX: 0000000000000000 RSI: 00007ffc2b3e3ee0 RDI: 0000000000000005
[   14.753185][  T315] RBP: 00007ffc2b3e3e40 R08: 0000000000000000 R09: 0000000000000000
[   14.753382][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e174
[   14.753584][  T315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2b3e45b0
| [   14.845458][  T318] ------------[ cut here ]------------
| [   14.845613][  T318] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/318
| [   14.845848][  T318] Modules linked in:
| [   14.846219][  T318] Tainted: [W]=WARN
[   14.846317][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.846479][  T318] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.846662][  T318] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.847134][  T318] RSP: 0018:ffa0000000e47020 EFLAGS: 00010286
[   14.847300][  T318] RAX: 00000000ffffffa6 RBX: ff110000090438c0 RCX: 1ff40000001c8dca
[   14.847495][  T318] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000904397c
[   14.847693][  T318] RBP: ff11000005929000 R08: 1fe2200001208731 R09: ff1100000a5bd158
[   14.847892][  T318] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   14.848087][  T318] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.848285][  T318] FS:  00007f03f7366840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   14.848518][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.848682][  T318] CR2: 000000000bdb0988 CR3: 000000000ef4b001 CR4: 0000000000771ef0
[   14.848885][  T318] PKRU: 55555554
[   14.848981][  T318] Call Trace:
[   14.849079][  T318]  <TASK>
[   14.849147][  T318]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.849280][  T318]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.849379][  T318]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.849515][  T318]  __dev_notify_flags (net/core/dev.c:9787)
[   14.849647][  T318]  ? netif_change_name (net/core/dev.c:1495)
[   14.849785][  T318]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.849918][  T318]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.850047][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.850177][  T318]  ? 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))
[   14.850311][  T318]  netif_change_flags (net/core/dev.c:9820)
[   14.850455][  T318]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.850593][  T318]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.850724][  T318]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.850860][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.851022][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.851150][  T318]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.851278][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.851410][  T318]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.851546][  T318]  ? __kernel_text_address (kernel/extable.c:79)
[   14.851676][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.851813][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.851943][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.852075][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.852207][  T318]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.852338][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.852467][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.852605][  T318]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.852737][  T318]  ? __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)
[   14.852873][  T318]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.853004][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.853134][  T318]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.853265][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.853398][  T318]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.853535][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.853664][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.853801][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.853941][  T318]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.854071][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.854203][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.854335][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.854465][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.854601][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.854732][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.854865][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.854995][  T318]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.855125][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.855256][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.855388][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.855527][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.855659][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.855794][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.855925][  T318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.856059][  T318]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.856188][  T318]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.856321][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.856455][  T318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.856594][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.856729][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.856867][  T318]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.856998][  T318]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.857135][  T318]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.857265][  T318]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.857395][  T318]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.857562][  T318]  ? move_addr_to_kernel (net/socket.c:258)
[   14.857696][  T318]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.857830][  T318]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.857963][  T318]  ___sys_sendmsg (net/socket.c:2752)
[   14.858094][  T318]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.858255][  T318]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.858405][  T318]  __sys_sendmsg (net/socket.c:2784)
[   14.858541][  T318]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.858674][  T318]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.858846][  T318]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.858977][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.859110][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.859241][  T318]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.859374][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.859510][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.859672][  T318] RIP: 0033:0x7f03f75a008e
[   14.859817][  T318] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.860283][  T318] RSP: 002b:00007ffc85afbee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.860483][  T318] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f03f75a008e
[   14.860686][  T318] RDX: 0000000000000000 RSI: 00007ffc85afbf90 RDI: 0000000000000005
[   14.860889][  T318] RBP: 00007ffc85afbef0 R08: 0000000000000000 R09: 0000000000000000
[   14.861089][  T318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   14.861287][  T318] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc85afc660
| [   14.864005][   T36] ------------[ cut here ]------------
| [   14.864139][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   14.864379][   T36] Modules linked in:
| [   14.864759][   T36] Tainted: [W]=WARN
[   14.864854][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.865006][   T36] Workqueue: events_unbound linkwatch_event
[   14.865163][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.865321][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.865775][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   14.865932][   T36] RAX: 00000000ffffffa6 RBX: ff1100000963f700 RCX: 1ff4000000051f02
[   14.866110][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000963f7bc
[   14.866294][   T36] RBP: ff11000005929000 R08: 1fe22000012c7ef9 R09: ff11000001d751a8
[   14.866472][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.866656][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.866842][   T36] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   14.867052][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.867203][   T36] CR2: 00007f000710b574 CR3: 0000000058f4d001 CR4: 0000000000771ef0
[   14.867385][   T36] PKRU: 55555554
[   14.867474][   T36] Call Trace:
[   14.867574][   T36]  <TASK>
[   14.867637][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.867758][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.867888][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.867980][   T36]  netif_state_change (net/core/dev.c:1605)
[   14.868104][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.868256][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.868375][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.868496][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.868624][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.868745][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.868873][   T36]  process_one_work (kernel/workqueue.c:3314)
[   14.868998][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.869119][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.869244][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.869370][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.869490][   T36]  kthread (kernel/kthread.c:436)
[   14.869586][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.869738][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.869865][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.869988][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.870138][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.870260][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.870379][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.872388][   T36] ------------[ cut here ]------------
| [   14.872531][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   14.872776][   T36] Modules linked in:
| [   14.873154][   T36] Tainted: [W]=WARN
[   14.873246][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.873398][   T36] Workqueue: events_unbound linkwatch_event
[   14.873560][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.873717][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.874160][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   14.874313][   T36] RAX: 00000000ffffffa6 RBX: ff11000009561380 RCX: 1ff4000000051f02
[   14.874493][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000956143c
[   14.874692][   T36] RBP: ff1100000a504000 R08: 1fe22000012ac289 R09: ff11000001d751a8
[   14.874876][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   14.875057][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.875239][   T36] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   14.875451][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.875610][   T36] CR2: 00007f000710b574 CR3: 0000000058f4d001 CR4: 0000000000771ef0
[   14.875806][   T36] PKRU: 55555554
[   14.875896][   T36] Call Trace:
[   14.875985][   T36]  <TASK>
[   14.876048][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.876169][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.876291][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.876386][   T36]  netif_state_change (net/core/dev.c:1605)
[   14.876513][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   14.876666][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.876790][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.876912][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.877036][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.877156][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   14.877279][   T36]  process_one_work (kernel/workqueue.c:3314)
[   14.877404][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.877534][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.877686][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.877818][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.877939][   T36]  kthread (kernel/kthread.c:436)
[   14.878030][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.878184][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.878305][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.878428][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.878583][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.878728][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.878858][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.085569][  T324] ------------[ cut here ]------------
| [   15.085737][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/324
| [   15.085984][  T324] Modules linked in:
| [   15.086367][  T324] Tainted: [W]=WARN
[   15.086470][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.086646][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.086826][  T324] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.087312][  T324] RSP: 0018:ffa0000000ea6e30 EFLAGS: 00010286
[   15.087485][  T324] RAX: 00000000ffffffa6 RBX: ff1100000d279540 RCX: 1ff40000001d4d8c
[   15.087692][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2795fc
[   15.087901][  T324] RBP: ff1100000f961000 R08: 1fe2200001a4f2c1 R09: ff1100000fc20b80
[   15.088105][  T324] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.088310][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ca8dc80
[   15.088517][  T324] FS:  00007fc64acac840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   15.088755][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.088928][  T324] CR2: 000000000042ebe0 CR3: 0000000001ed6005 CR4: 0000000000771ef0
[   15.089131][  T324] PKRU: 55555554
[   15.089233][  T324] Call Trace:
[   15.089333][  T324]  <TASK>
[   15.089404][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.089546][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.089650][  T324]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   15.089824][  T324]  __dev_notify_flags (net/core/dev.c:9787)
[   15.089959][  T324]  ? netif_change_name (net/core/dev.c:1495)
[   15.090092][  T324]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.090227][  T324]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.090360][  T324]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.090497][  T324]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.090640][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.090778][  T324]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.090953][  T324]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.091089][  T324]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.091225][  T324]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.091365][  T324]  veth_newlink (drivers/net/veth.c:1871)
[   15.091507][  T324]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   15.091641][  T324]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.091777][  T324]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.091916][  T324]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.092066][  T324]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.092200][  T324]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.092338][  T324]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.092474][  T324]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.093054][  T324]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.093193][  T324]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.093331][  T324]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.093489][  T324]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.093632][  T324]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.093772][  T324]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.093915][  T324]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.094053][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.094186][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.094321][  T324]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.094468][  T324]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.094607][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.094747][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.094889][  T324]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.095023][  T324]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.095157][  T324]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.095290][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.095424][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.095565][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.095698][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.095840][  T324]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.095974][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.096109][  T324]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.096246][  T324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.096379][  T324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.096518][  T324]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.096655][  T324]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.096814][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.096951][  T324]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.097087][  T324]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.097223][  T324]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.097359][  T324]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.097494][  T324]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.097668][  T324]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.097844][  T324]  ? move_addr_to_kernel (net/socket.c:258)
[   15.097985][  T324]  ___sys_sendmsg (net/socket.c:2752)
[   15.098118][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.098252][  T324]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.098395][  T324]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.098538][  T324]  __sys_sendmsg (net/socket.c:2784)
[   15.098673][  T324]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.098816][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.098953][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.099089][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.099222][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.099373][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.099512][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.099680][  T324] RIP: 0033:0x7fc64aee608e
[   15.099831][  T324] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.100332][  T324] RSP: 002b:00007fffb5e0db00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.100542][  T324] RAX: ffffffffffffffda RBX: 00007fffb5e0e2a8 RCX: 00007fc64aee608e
[   15.100743][  T324] RDX: 0000000000000000 RSI: 00007fffb5e0dbb0 RDI: 0000000000000005
[   15.100954][  T324] RBP: 00007fffb5e0db10 R08: 0000000000000000 R09: 0000000000000000
[   15.101154][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   15.101356][  T324] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb5e0e280
| [   15.109123][  T324] ------------[ cut here ]------------
| [   15.109267][  T324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/324
| [   15.109505][  T324] Modules linked in:
| [   15.109889][  T324] Tainted: [W]=WARN
[   15.109990][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.110157][  T324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.110330][  T324] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.110818][  T324] RSP: 0018:ffa0000000ea71b0 EFLAGS: 00010286
[   15.110985][  T324] RAX: 00000000ffffffa6 RBX: ff1100000c1043c0 RCX: 1ff40000001d4dfc
[   15.111183][  T324] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c10447c
[   15.111379][  T324] RBP: ff1100000e17c000 R08: 1fe2200001820891 R09: ff1100000fc20b80
[   15.111581][  T324] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.111779][  T324] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e603b20
[   15.111985][  T324] FS:  00007fc64acac840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   15.112217][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.112384][  T324] CR2: 000000000042ebe0 CR3: 0000000001ed6005 CR4: 0000000000771ef0
[   15.112588][  T324] PKRU: 55555554
[   15.112687][  T324] Call Trace:
[   15.112791][  T324]  <TASK>
[   15.112861][  T324]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.112996][  T324]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.113097][  T324]  __dev_notify_flags (net/core/dev.c:9787)
[   15.113231][  T324]  ? netif_change_name (net/core/dev.c:1495)
[   15.113365][  T324]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.113505][  T324]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.113642][  T324]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.113778][  T324]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.113918][  T324]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.114052][  T324]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.114184][  T324]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.114323][  T324]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.114460][  T324]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.114601][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.114734][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.114879][  T324]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.115013][  T324]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.115146][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.115284][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.115419][  T324]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.115558][  T324]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.115691][  T324]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.115828][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.115960][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.116095][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.116227][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.116362][  T324]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.116494][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.116631][  T324]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.116769][  T324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.116905][  T324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.117039][  T324]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.117173][  T324]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.117306][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.117440][  T324]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.117580][  T324]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.117714][  T324]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.117856][  T324]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.117990][  T324]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.118122][  T324]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.118286][  T324]  ? move_addr_to_kernel (net/socket.c:258)
[   15.118423][  T324]  ___sys_sendmsg (net/socket.c:2752)
[   15.118561][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.118693][  T324]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.118838][  T324]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   15.118973][  T324]  __sys_sendmsg (net/socket.c:2784)
[   15.119106][  T324]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.119245][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.119380][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.119517][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.119650][  T324]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.119790][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.119939][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.120108][  T324] RIP: 0033:0x7fc64aee608e
[   15.120247][  T324] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.120727][  T324] RSP: 002b:00007fffb5e0db00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.120934][  T324] RAX: ffffffffffffffda RBX: 00007fffb5e0e2a8 RCX: 00007fc64aee608e
[   15.121133][  T324] RDX: 0000000000000000 RSI: 00007fffb5e0dbb0 RDI: 0000000000000005
[   15.121332][  T324] RBP: 00007fffb5e0db10 R08: 0000000000000000 R09: 0000000000000000
[   15.121537][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   15.121734][  T324] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb5e0e280
| [   15.163050][  T325] ------------[ cut here ]------------
| [   15.163195][  T325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/325
| [   15.163421][  T325] Modules linked in:
| [   15.163796][  T325] Tainted: [W]=WARN
[   15.163892][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.164051][  T325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.164215][  T325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.164675][  T325] RSP: 0018:ffa0000000eb6ff8 EFLAGS: 00010286
[   15.164839][  T325] RAX: 00000000ffffffa6 RBX: ff11000009042900 RCX: 1ff40000001d6dc5
[   15.165027][  T325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000090429bc
[   15.165215][  T325] RBP: ff1100000f961000 R08: 1fe2200001208539 R09: ff1100000fc22e58
[   15.165405][  T325] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.165600][  T325] R13: 0000000000000000 R14: ffa0000000eb7140 R15: ff1100000ec96350
[   15.165796][  T325] FS:  00007f269eaed840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   15.166018][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.166179][  T325] CR2: 0000000024e97988 CR3: 000000000c328002 CR4: 0000000000771ef0
[   15.166372][  T325] PKRU: 55555554
[   15.166467][  T325] Call Trace:
[   15.166569][  T325]  <TASK>
[   15.166635][  T325]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   15.166764][  T325]  __dev_change_net_namespace (net/core/dev.c:12635)
[   15.166930][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.167057][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.167188][  T325]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.167346][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.167473][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.167607][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.167734][  T325]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.167868][  T325]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.167995][  T325]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   15.168123][  T325]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   15.168252][  T325]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.168379][  T325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.168548][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.168672][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.168803][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.168929][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.169058][  T325]  ? __kernel_text_address (kernel/extable.c:79)
[   15.169185][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.169313][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.169437][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.169576][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.169703][  T325]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.169837][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.169965][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.170091][  T325]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.170218][  T325]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.170346][  T325]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.170473][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.170675][  T325]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.170806][  T325]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.170936][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.171067][  T325]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.171195][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.171322][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.171449][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.171580][  T325]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.171705][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.171839][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.171968][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.172094][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.172222][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.172349][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.172475][  T325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.172606][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.172731][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.172860][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.172991][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.173117][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.173245][  T325]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.173372][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.173506][  T325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.173635][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.173761][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.173894][  T325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.174023][  T325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.174151][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.174279][  T325]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.174406][  T325]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.174548][  T325]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.174676][  T325]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.174808][  T325]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.174937][  T325]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.175096][  T325]  ? move_addr_to_kernel (net/socket.c:258)
[   15.175223][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.175350][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.175478][  T325]  ___sys_sendmsg (net/socket.c:2752)
[   15.175609][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.175769][  T325]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.175913][  T325]  __sys_sendmsg (net/socket.c:2784)
[   15.176040][  T325]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.176166][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.176324][  T325]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.176451][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.176586][  T325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.176715][  T325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.176844][  T325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.176972][  T325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.177129][  T325] RIP: 0033:0x7f269ed2708e
[   15.177262][  T325] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.177722][  T325] RSP: 002b:00007ffcb0df9930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.177919][  T325] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f269ed2708e
[   15.178106][  T325] RDX: 0000000000000000 RSI: 00007ffcb0df99e0 RDI: 0000000000000005
[   15.178294][  T325] RBP: 00007ffcb0df9940 R08: 0000000000000000 R09: 0000000000000000
[   15.178482][  T325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   15.178678][  T325] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb0dfa0b0
| [   15.181287][  T325] ------------[ cut here ]------------
| [   15.181417][  T325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/325
| [   15.181927][  T325] Modules linked in:
| [   15.182291][  T325] Tainted: [W]=WARN
[   15.182387][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.182556][  T325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.182724][  T325] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.183180][  T325] RSP: 0018:ffa0000000eb6fc0 EFLAGS: 00010286
[   15.183344][  T325] RAX: 00000000ffffffa6 RBX: ff1100000c3491c0 RCX: 1ff40000001d6dbe
[   15.183540][  T325] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c34927c
[   15.183730][  T325] RBP: ff1100000f961000 R08: 1fe2200001869251 R09: ff1100000fc22e58
[   15.183924][  T325] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.184115][  T325] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ec96350
[   15.184308][  T325] FS:  00007f269eaed840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   15.184537][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.184697][  T325] CR2: 0000000024e97988 CR3: 000000000c328002 CR4: 0000000000771ef0
[   15.184893][  T325] PKRU: 55555554
[   15.184989][  T325] Call Trace:
[   15.185085][  T325]  <TASK>
[   15.185151][  T325]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.185280][  T325]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.185410][  T325]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.185514][  T325]  __dev_change_net_namespace (net/core/dev.c:12695)
[   15.185676][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.185809][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.185941][  T325]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.186100][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.186228][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.186356][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.186485][  T325]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.186619][  T325]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.186748][  T325]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   15.186883][  T325]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   15.187014][  T325]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.187144][  T325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.187304][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.187431][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.187566][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.187693][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.187825][  T325]  ? __kernel_text_address (kernel/extable.c:79)
[   15.187953][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.188083][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.188212][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.188342][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.188470][  T325]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.188609][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.188738][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.188870][  T325]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.188999][  T325]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.189127][  T325]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.189256][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.189385][  T325]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.189517][  T325]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.189647][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.189780][  T325]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.189915][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.190041][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.190168][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.190296][  T325]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.190422][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.190558][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.190687][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.190822][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.190950][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.191079][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.191207][  T325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.191335][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.191462][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.191596][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.191726][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.191857][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.191985][  T325]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.192114][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.192260][  T325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.192391][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.192525][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.192655][  T325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.192789][  T325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.192919][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.193049][  T325]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.193178][  T325]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.193307][  T325]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.193438][  T325]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.193570][  T325]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.193702][  T325]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.193864][  T325]  ? move_addr_to_kernel (net/socket.c:258)
[   15.193994][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.194122][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.194252][  T325]  ___sys_sendmsg (net/socket.c:2752)
[   15.194379][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.194546][  T325]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.194687][  T325]  __sys_sendmsg (net/socket.c:2784)
[   15.194819][  T325]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.194946][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.195108][  T325]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.195236][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.195364][  T325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.195493][  T325]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.195627][  T325]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.195757][  T325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.195919][  T325] RIP: 0033:0x7f269ed2708e
[   15.196052][  T325] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.196515][  T325] RSP: 002b:00007ffcb0df9930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.196734][  T325] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f269ed2708e
[   15.196930][  T325] RDX: 0000000000000000 RSI: 00007ffcb0df99e0 RDI: 0000000000000005
[   15.197121][  T325] RBP: 00007ffcb0df9940 R08: 0000000000000000 R09: 0000000000000000
[   15.197312][  T325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   15.197511][  T325] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb0dfa0b0
| [   15.280288][  T328] ------------[ cut here ]------------
| [   15.280451][  T328] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/328
| [   15.280686][  T328] Modules linked in:
| [   15.281054][  T328] Tainted: [W]=WARN
[   15.281151][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.281312][  T328] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.281481][  T328] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.281955][  T328] RSP: 0018:ffa0000000ee7020 EFLAGS: 00010286
[   15.282118][  T328] RAX: 00000000ffffffa6 RBX: ff1100000a2b4ac0 RCX: 1ff40000001dcdca
[   15.282311][  T328] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b4b7c
[   15.282507][  T328] RBP: ff1100000e17c000 R08: 1fe2200001456971 R09: ff1100000ef50b58
[   15.282704][  T328] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.282901][  T328] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.283093][  T328] FS:  00007f3cebe60840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   15.283318][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.283481][  T328] CR2: 00007f3cec1301a0 CR3: 0000000009bc9003 CR4: 0000000000771ef0
[   15.283681][  T328] PKRU: 55555554
[   15.283780][  T328] Call Trace:
[   15.283882][  T328]  <TASK>
[   15.283949][  T328]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.284081][  T328]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.284179][  T328]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.284310][  T328]  __dev_notify_flags (net/core/dev.c:9787)
[   15.284440][  T328]  ? netif_change_name (net/core/dev.c:1495)
[   15.284707][  T328]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.284844][  T328]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.284989][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.285119][  T328]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.285250][  T328]  netif_change_flags (net/core/dev.c:9820)
[   15.285379][  T328]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.285514][  T328]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.285646][  T328]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.285775][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.285942][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.286093][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.286224][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.286352][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.286481][  T328]  ? __kernel_text_address (kernel/extable.c:79)
[   15.286634][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.286767][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.286910][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.287041][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.287172][  T328]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.287300][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.287429][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.287563][  T328]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.287712][  T328]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.287852][  T328]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.287982][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.288112][  T328]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.288247][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.288378][  T328]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.288513][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.288644][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.288772][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.288917][  T328]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.289045][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.289176][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.289306][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.289434][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.289569][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.289700][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.289835][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.289965][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.290094][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.290226][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.290360][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.290489][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.290624][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.290752][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.290887][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.291019][  T328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.291147][  T328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.291280][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.291409][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.291544][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.291674][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.291809][  T328]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.291939][  T328]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.292093][  T328]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.292222][  T328]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.292352][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.292520][  T328]  ? move_addr_to_kernel (net/socket.c:258)
[   15.292656][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.292787][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.292918][  T328]  ___sys_sendmsg (net/socket.c:2752)
[   15.293046][  T328]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.293206][  T328]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.293348][  T328]  __sys_sendmsg (net/socket.c:2784)
[   15.293484][  T328]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.293619][  T328]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.293787][  T328]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.293917][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.294047][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.294177][  T328]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.294310][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.294444][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.294607][  T328] RIP: 0033:0x7f3cec09a08e
[   15.294745][  T328] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.295209][  T328] RSP: 002b:00007ffda5287e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.295408][  T328] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3cec09a08e
[   15.295603][  T328] RDX: 0000000000000000 RSI: 00007ffda5287ee0 RDI: 0000000000000005
[   15.295800][  T328] RBP: 00007ffda5287e40 R08: 0000000000000000 R09: 0000000000000000
[   15.295994][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   15.296185][  T328] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda52885b0
| [   15.361920][  T330] ------------[ cut here ]------------
| [   15.362083][  T330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/330
| [   15.362313][  T330] Modules linked in:
| [   15.362705][  T330] Tainted: [W]=WARN
[   15.362810][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.362976][  T330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.363151][  T330] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.363629][  T330] RSP: 0018:ffa0000000ef71b0 EFLAGS: 00010286
[   15.363800][  T330] RAX: 00000000ffffffa6 RBX: ff1100000c50a740 RCX: 1ff40000001dedfc
[   15.363998][  T330] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c50a7fc
[   15.364195][  T330] RBP: ff11000008bd4000 R08: 1fe22000018a1501 R09: ff11000010075180
[   15.364390][  T330] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.364594][  T330] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8e608da0
[   15.364800][  T330] FS:  00007fad7e5d3840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   15.365040][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.365206][  T330] CR2: 00000000004a2860 CR3: 000000000c328006 CR4: 0000000000771ef0
[   15.365405][  T330] PKRU: 55555554
[   15.365510][  T330] Call Trace:
[   15.365610][  T330]  <TASK>
[   15.365679][  T330]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.365824][  T330]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.365929][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.366064][  T330]  __dev_notify_flags (net/core/dev.c:9787)
[   15.366199][  T330]  ? netif_change_name (net/core/dev.c:1495)
[   15.366336][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.366471][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.366614][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.366752][  T330]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.366893][  T330]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   15.367033][  T330]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.367167][  T330]  ? vrf_newlink (drivers/net/vrf.c:1678)
[   15.367303][  T330]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.367442][  T330]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.367583][  T330]  ? __dev_get_by_name (net/core/dev.c:883)
[   15.367721][  T330]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   15.367874][  T330]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.368016][  T330]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.368152][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.368286][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.368424][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.368567][  T330]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.368704][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.368876][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.369016][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.369149][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.369284][  T330]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.369428][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.369629][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.369847][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.369979][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.370113][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.370246][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.370378][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.370656][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.370802][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.370938][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.371072][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.371205][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.371338][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.371496][  T330]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.371699][  T330]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.371838][  T330]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.371970][  T330]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.372103][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.372278][  T330]  ? move_addr_to_kernel (net/socket.c:258)
[   15.372416][  T330]  ___sys_sendmsg (net/socket.c:2752)
[   15.372624][  T330]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.372761][  T330]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.372932][  T330]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   15.373067][  T330]  __sys_sendmsg (net/socket.c:2784)
[   15.373201][  T330]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.373338][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.373473][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.373724][  T330]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.373866][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.374000][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.374165][  T330] RIP: 0033:0x7fad7e80d08e
[   15.374304][  T330] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.374816][  T330] RSP: 002b:00007ffc4d2a8a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.375016][  T330] RAX: ffffffffffffffda RBX: 00007ffc4d2a91f8 RCX: 00007fad7e80d08e
[   15.375215][  T330] RDX: 0000000000000000 RSI: 00007ffc4d2a8b00 RDI: 0000000000000005
[   15.375411][  T330] RBP: 00007ffc4d2a8a60 R08: 0000000000000000 R09: 0000000000000000
[   15.375614][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   15.375995][  T330] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4d2a91d0
| [   15.398986][  T331] ------------[ cut here ]------------
| [   15.399135][  T331] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/331
| [   15.399362][  T331] Modules linked in:
| [   15.399730][  T331] Tainted: [W]=WARN
[   15.399831][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.400012][  T331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.400182][  T331] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.400647][  T331] RSP: 0018:ffa0000000f07020 EFLAGS: 00010286
[   15.400814][  T331] RAX: 00000000ffffffa6 RBX: ff1100000cef4c80 RCX: 1ff40000001e0dca
[   15.401012][  T331] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cef4d3c
[   15.401206][  T331] RBP: ff11000008bd4000 R08: 1fe22000019de9a9 R09: ff1100000f660b58
[   15.401397][  T331] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   15.401596][  T331] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.401795][  T331] FS:  00007fc021eff840(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   15.402021][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.402182][  T331] CR2: 0000000030472988 CR3: 000000000f940002 CR4: 0000000000771ef0
[   15.402376][  T331] PKRU: 55555554
[   15.402473][  T331] Call Trace:
[   15.402574][  T331]  <TASK>
[   15.402641][  T331]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.402775][  T331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.402883][  T331]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.403014][  T331]  __dev_notify_flags (net/core/dev.c:9787)
[   15.403144][  T331]  ? netif_change_name (net/core/dev.c:1495)
[   15.403273][  T331]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.403402][  T331]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.403542][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.403672][  T331]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.403811][  T331]  netif_change_flags (net/core/dev.c:9820)
[   15.403946][  T331]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.404080][  T331]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.404216][  T331]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.404347][  T331]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.404514][  T331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.404643][  T331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.404773][  T331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.404911][  T331]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.405040][  T331]  ? __kernel_text_address (kernel/extable.c:79)
[   15.405168][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.405297][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.405425][  T331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.405560][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.405689][  T331]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.405821][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.405949][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.406077][  T331]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.406207][  T331]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.406336][  T331]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.406466][  T331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.406604][  T331]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.406739][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.406876][  T331]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.407008][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.407137][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.407266][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.407394][  T331]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.407529][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.407660][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.407794][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.407923][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.408053][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.408185][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.408315][  T331]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.408447][  T331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.408579][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.408708][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.408843][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.408971][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.409102][  T331]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.409232][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.409362][  T331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.409497][  T331]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.409631][  T331]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.409763][  T331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.409898][  T331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.410027][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.410159][  T331]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.410291][  T331]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.410422][  T331]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.410558][  T331]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.410688][  T331]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.410822][  T331]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.410981][  T331]  ? move_addr_to_kernel (net/socket.c:258)
[   15.411111][  T331]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.411240][  T331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.411372][  T331]  ___sys_sendmsg (net/socket.c:2752)
[   15.411505][  T331]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.411666][  T331]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.411812][  T331]  __sys_sendmsg (net/socket.c:2784)
[   15.411943][  T331]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.412073][  T331]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.412237][  T331]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.412372][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.412514][  T331]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.412651][  T331]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.412789][  T331]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.412922][  T331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.413084][  T331] RIP: 0033:0x7fc02213908e
[   15.413220][  T331] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.413687][  T331] RSP: 002b:00007fff26fc5020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.413903][  T331] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc02213908e
[   15.414105][  T331] RDX: 0000000000000000 RSI: 00007fff26fc50d0 RDI: 0000000000000005
[   15.414299][  T331] RBP: 00007fff26fc5030 R08: 0000000000000000 R09: 0000000000000000
[   15.414493][  T331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   15.414690][  T331] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff26fc57a0
| [   15.516491][  T334] ------------[ cut here ]------------
| [   15.516661][  T334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/334
| [   15.516899][  T334] Modules linked in:
| [   15.517274][  T334] Tainted: [W]=WARN
[   15.517375][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.517554][  T334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.517727][  T334] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.518233][  T334] RSP: 0018:ffa0000000f36f40 EFLAGS: 00010286
[   15.518405][  T334] RAX: 00000000ffffffa6 RBX: ff1100000cef51c0 RCX: 1ff40000001e6dae
[   15.518612][  T334] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cef527c
[   15.518814][  T334] RBP: ff1100000f961000 R08: 1fe22000019dea51 R09: ff1100000f548b58
[   15.519012][  T334] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.519211][  T334] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   15.519412][  T334] FS:  00007f5ab7cb9840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   15.519652][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.519823][  T334] CR2: 00000000004eb738 CR3: 000000000e255001 CR4: 0000000000771ef0
[   15.520022][  T334] PKRU: 55555554
[   15.520122][  T334] Call Trace:
[   15.520221][  T334]  <TASK>
[   15.520290][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.520424][  T334]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.520563][  T334]  notifier_call_chain (kernel/notifier.c:85)
[   15.520701][  T334]  __netdev_upper_dev_link (net/core/dev.c:8931)
[   15.520845][  T334]  ? netdev_wait_allrefs_any (net/core/dev.c:11629)
[   15.520978][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.521112][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.521244][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.521376][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.521512][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.521646][  T334]  netdev_master_upper_dev_link (net/core/dev.c:9001)
[   15.521780][  T334]  ? netdev_upper_dev_link (net/core/dev.c:8974)
[   15.521921][  T334]  vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053)
[   15.522058][  T334]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.522190][  T334]  do_set_master (net/core/rtnetlink.c:3011)
[   15.522323][  T334]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.522456][  T334]  do_setlink.isra.0 (net/core/rtnetlink.c:3213 (discriminator 1))
[   15.522596][  T334]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.522730][  T334]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.522899][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.523033][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.523165][  T334]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.523297][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.523429][  T334]  ? __kernel_text_address (kernel/extable.c:79)
[   15.523567][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.523701][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.523835][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.523969][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.524101][  T334]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.524231][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.524362][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.524494][  T334]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.524633][  T334]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.524765][  T334]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.524903][  T334]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.525037][  T334]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.525168][  T334]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.525303][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.525441][  T334]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.525581][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.525711][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.525848][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.525981][  T334]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.526112][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.526247][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.526378][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.526516][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.526649][  T334]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.526787][  T334]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.526920][  T334]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.527053][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.527186][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.527316][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.527450][  T334]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.527645][  T334]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.527880][  T334]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.528014][  T334]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.528146][  T334]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.528282][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.528415][  T334]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.528614][  T334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.528747][  T334]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.528883][  T334]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.529018][  T334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.529152][  T334]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.529288][  T334]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.529423][  T334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.529566][  T334]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.529698][  T334]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.529866][  T334]  ? move_addr_to_kernel (net/socket.c:258)
[   15.530000][  T334]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.530132][  T334]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.530268][  T334]  ___sys_sendmsg (net/socket.c:2752)
[   15.530400][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.530569][  T334]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.530713][  T334]  __sys_sendmsg (net/socket.c:2784)
[   15.530850][  T334]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.530981][  T334]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.531148][  T334]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.531282][  T334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.531415][  T334]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.531551][  T334]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.531684][  T334]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.531821][  T334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.531986][  T334] RIP: 0033:0x7f5ab7ef308e
[   15.532126][  T334] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.532605][  T334] RSP: 002b:00007ffdd7eed600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.532816][  T334] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5ab7ef308e
[   15.533020][  T334] RDX: 0000000000000000 RSI: 00007ffdd7eed6b0 RDI: 0000000000000005
[   15.533219][  T334] RBP: 00007ffdd7eed610 R08: 0000000000000000 R09: 0000000000000000
[   15.533416][  T334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   15.533619][  T334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd7eedd80
| [   15.608300][  T337] ------------[ cut here ]------------
| [   15.608445][  T337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/337
| [   15.608683][  T337] Modules linked in:
| [   15.609056][  T337] Tainted: [W]=WARN
[   15.609156][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.609325][  T337] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.609493][  T337] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.609962][  T337] RSP: 0018:ffa0000000f67020 EFLAGS: 00010286
[   15.610126][  T337] RAX: 00000000ffffffa6 RBX: ff1100001118f000 RCX: 1ff40000001ecdca
[   15.610318][  T337] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001118f0bc
[   15.610514][  T337] RBP: ff1100000f961000 R08: 1fe2200002231e19 R09: ff1100000f568b58
[   15.610707][  T337] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   15.610907][  T337] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.611101][  T337] FS:  00007f9ca918a840(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   15.611327][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.611488][  T337] CR2: 000000003fed3988 CR3: 000000000e255004 CR4: 0000000000771ef0
[   15.611689][  T337] PKRU: 55555554
[   15.611791][  T337] Call Trace:
[   15.611888][  T337]  <TASK>
[   15.611954][  T337]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.612085][  T337]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.612184][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.612312][  T337]  __dev_notify_flags (net/core/dev.c:9787)
[   15.612442][  T337]  ? netif_change_name (net/core/dev.c:1495)
[   15.612578][  T337]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.612710][  T337]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.612845][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.612975][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.613106][  T337]  netif_change_flags (net/core/dev.c:9820)
[   15.613235][  T337]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.613364][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.613496][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.613702][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.613963][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.614092][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.614221][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.614349][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.614478][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   15.614684][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.614822][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.614951][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.615082][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.615211][  T337]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.615339][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.615469][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.615674][  T337]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.615813][  T337]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.615942][  T337]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.616071][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.616202][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.616334][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.616467][  T337]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.616686][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.616820][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.616952][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.617082][  T337]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.617212][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.617343][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.617471][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.617655][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.617789][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.617922][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.618052][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.618183][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.618312][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.618441][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.618629][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.618757][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.618892][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.619022][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.619152][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.619285][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.619425][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.619614][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.619744][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.619878][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.620009][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.620141][  T337]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.620271][  T337]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.620402][  T337]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.620577][  T337]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.620707][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.620870][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   15.621001][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.621132][  T337]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.621262][  T337]  ___sys_sendmsg (net/socket.c:2752)
[   15.621391][  T337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.621558][  T337]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.621700][  T337]  __sys_sendmsg (net/socket.c:2784)
[   15.621833][  T337]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.621961][  T337]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.622126][  T337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.622256][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.622387][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.622523][  T337]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.622652][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.622787][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.622947][  T337] RIP: 0033:0x7f9ca93c408e
[   15.623082][  T337] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.623552][  T337] RSP: 002b:00007ffff5673ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.623748][  T337] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ca93c408e
[   15.623949][  T337] RDX: 0000000000000000 RSI: 00007ffff56740a0 RDI: 0000000000000005
[   15.624142][  T337] RBP: 00007ffff5674000 R08: 0000000000000000 R09: 0000000000000000
[   15.624337][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e175
[   15.624536][  T337] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff5674770
| [   15.627225][   T36] ------------[ cut here ]------------
| [   15.627355][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   15.627637][   T36] Modules linked in:
| [   15.628081][   T36] Tainted: [W]=WARN
[   15.628175][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.628333][   T36] Workqueue: events_unbound linkwatch_event
[   15.628495][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.628668][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.629123][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   15.629272][   T36] RAX: 00000000ffffffa6 RBX: ff1100000a2b4740 RCX: 1ff4000000051f02
[   15.629448][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b47fc
[   15.629639][   T36] RBP: ff1100000f961000 R08: 1fe2200001456901 R09: ff11000001d751a8
[   15.629822][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   15.629999][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.630177][   T36] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   15.630383][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.630541][   T36] CR2: 00007fffc06c8ed8 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   15.630722][   T36] PKRU: 55555554
[   15.630814][   T36] Call Trace:
[   15.630902][   T36]  <TASK>
[   15.630966][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.631090][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.631213][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.631309][   T36]  netif_state_change (net/core/dev.c:1605)
[   15.631428][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.631583][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.631701][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.631823][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.631944][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.632062][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.632181][   T36]  process_one_work (kernel/workqueue.c:3314)
[   15.632305][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.632423][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.632554][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.632677][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.632798][   T36]  kthread (kernel/kthread.c:436)
[   15.632888][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.633034][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.633159][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.633279][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.633428][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.633554][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.633673][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.635559][   T36] ------------[ cut here ]------------
| [   15.635676][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   15.635913][   T36] Modules linked in:
| [   15.636277][   T36] Tainted: [W]=WARN
[   15.636367][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.636521][   T36] Workqueue: events_unbound linkwatch_event
[   15.636674][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.636833][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.637267][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   15.637417][   T36] RAX: 00000000ffffffa6 RBX: ff1100001113ec80 RCX: 1ff4000000051f02
[   15.637610][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001113ed3c
[   15.637794][   T36] RBP: ff1100000e17c000 R08: 1fe2200002227da9 R09: ff11000001d751a8
[   15.637972][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   15.638150][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.638330][   T36] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   15.638547][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.638701][   T36] CR2: 00007fffc06c8ed8 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   15.638885][   T36] PKRU: 55555554
[   15.638973][   T36] Call Trace:
[   15.639062][   T36]  <TASK>
[   15.639124][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.639246][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.639367][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.639460][   T36]  netif_state_change (net/core/dev.c:1605)
[   15.639585][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.639736][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.639856][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.639975][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.640099][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.640223][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.640342][   T36]  process_one_work (kernel/workqueue.c:3314)
[   15.640465][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.640589][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.640712][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.640840][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.640963][   T36]  kthread (kernel/kthread.c:436)
[   15.641056][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.641204][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.641324][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.641445][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.641598][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.641718][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.641847][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.139395][   T12] ------------[ cut here ]------------
| [   94.139734][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.139975][   T12] Modules linked in:
| [   94.140379][   T12] Tainted: [W]=WARN
[   94.140468][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.140672][   T12] Workqueue: netns cleanup_net
[   94.140799][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.140965][   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
[   94.141430][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.141586][   T12] RAX: 00000000ffffffa6 RBX: ff110000111e2580 RCX: 1ff4000000018eed
[   94.141763][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111e263c
[   94.141941][   T12] RBP: ff11000005911000 R08: 1fe220000223c4c9 R09: ff11000001aed1d0
[   94.142119][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.142292][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.142469][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.142682][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.142829][   T12] CR2: 00007efe25b4ac20 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.143009][   T12] PKRU: 55555554
[   94.143101][   T12] Call Trace:
[   94.143189][   T12]  <TASK>
[   94.143303][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.143454][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.143678][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.143797][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.143918][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.144040][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.144161][   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)
[   94.144281][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.144401][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.144579][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.144704][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.144823][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.144939][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.145059][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.145195][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.145321][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.145447][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.145625][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.145750][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.145875][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.145994][   T12]  kthread (kernel/kthread.c:436)
[   94.146091][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.146247][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.146367][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.146491][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.146692][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.146815][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.146939][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.149659][   T12] ------------[ cut here ]------------
| [   94.149837][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.150134][   T12] Modules linked in:
| [   94.150646][   T12] Tainted: [W]=WARN
[   94.150790][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.150987][   T12] Workqueue: netns cleanup_net
[   94.151167][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.151374][   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
[   94.151870][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.152078][   T12] RAX: 00000000ffffffa6 RBX: ff110000111e3a80 RCX: 1ff4000000018eed
[   94.152306][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111e3b3c
[   94.152549][   T12] RBP: ff11000007c99000 R08: 1fe220000223c769 R09: ff11000001aed1d0
[   94.152776][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.153004][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.153399][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.153704][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.153901][   T12] CR2: 000055d2bbb08480 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.154137][   T12] PKRU: 55555554
[   94.154275][   T12] Call Trace:
[   94.154412][   T12]  <TASK>
[   94.154534][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.154737][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.154937][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.155117][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.155287][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.155455][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.155638][   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)
[   94.155810][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.155982][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.156156][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.156330][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.156569][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.156740][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.156911][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.157089][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.157275][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.157453][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.157636][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.157811][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.157986][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.158162][   T12]  kthread (kernel/kthread.c:436)
[   94.158302][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.158516][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.158687][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.158863][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.159068][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.159238][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.159408][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.162774][   T12] ------------[ cut here ]------------
| [   94.162951][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.163242][   T12] Modules linked in:
| [   94.164842][   T12] Tainted: [W]=WARN
[   94.165034][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.165238][   T12] Workqueue: netns cleanup_net
[   94.165410][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.165705][   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
[   94.166189][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.166463][   T12] RAX: 00000000ffffffa6 RBX: ff110000111e31c0 RCX: 1ff4000000018eed
[   94.166702][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111e327c
[   94.166934][   T12] RBP: ff110000058cc000 R08: 1fe220000223c651 R09: ff11000001aed1d0
[   94.167170][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.167401][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.167640][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.167901][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.168100][   T12] CR2: 000055d2bbb08480 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.168333][   T12] PKRU: 55555554
[   94.168471][   T12] Call Trace:
[   94.168620][   T12]  <TASK>
[   94.168731][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.168935][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.169146][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.169387][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.169575][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.169743][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.169914][   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)
[   94.170092][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.170338][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.170533][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.170708][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.170878][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.171125][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.171296][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.171548][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.171718][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.171895][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.172070][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.172318][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.172494][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.172680][   T12]  kthread (kernel/kthread.c:436)
[   94.172819][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.173100][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.173275][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.173445][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.173657][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.173967][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.174181][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.177273][   T12] ------------[ cut here ]------------
| [   94.177439][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.178156][   T12] Modules linked in:
| [   94.178729][   T12] Tainted: [W]=WARN
[   94.178913][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.179164][   T12] Workqueue: netns cleanup_net
[   94.179383][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.179648][   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
[   94.180177][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.180422][   T12] RAX: 00000000ffffffa6 RBX: ff110000111e2e40 RCX: 1ff4000000018eed
[   94.180703][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111e2efc
[   94.180977][   T12] RBP: ff1100000fb29000 R08: 1fe220000223c5e1 R09: ff11000001aed1d0
[   94.181327][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.181614][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.181958][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.182339][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.182692][   T12] CR2: 000055d2bbb08480 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.182999][   T12] PKRU: 55555554
[   94.183171][   T12] Call Trace:
[   94.183309][   T12]  <TASK>
[   94.183488][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.183705][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.183906][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.184153][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.184324][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.184492][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.184674][   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)
[   94.184845][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.185018][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.185193][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.185372][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.185554][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.185723][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.185895][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.186067][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.186268][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.186441][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.186627][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.186801][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.186973][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.187152][   T12]  kthread (kernel/kthread.c:436)
[   94.187291][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.187494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.187690][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.187868][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.188176][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.188421][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.188607][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.192159][   T12] ------------[ cut here ]------------
| [   94.192299][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.192643][   T12] Modules linked in:
| [   94.193034][   T12] Tainted: [W]=WARN
[   94.193200][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.193350][   T12] Workqueue: netns cleanup_net
[   94.193476][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.193692][   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
[   94.194127][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.194328][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d052900 RCX: 1ff4000000018eed
[   94.194556][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0529bc
[   94.194738][   T12] RBP: ff11000005269000 R08: 1fe2200001a0a539 R09: ff11000001aed1d0
[   94.194919][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   94.195105][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.195358][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.195624][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.195777][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.195958][   T12] PKRU: 55555554
[   94.196052][   T12] Call Trace:
[   94.196142][   T12]  <TASK>
[   94.196277][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.196476][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.196673][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.196796][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.196917][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.197042][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.197162][   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)
[   94.197284][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.197406][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.197618][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.197744][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.197864][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.197994][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.198125][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.198317][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.198441][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.198573][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.198692][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.198889][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.199012][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.199139][   T12]  kthread (kernel/kthread.c:436)
[   94.199231][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.199383][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.199512][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.199633][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.199856][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.199975][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.200101][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.213673][   T12] ------------[ cut here ]------------
| [   94.213819][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.214081][   T12] Modules linked in:
| [   94.214485][   T12] Tainted: [W]=WARN
[   94.214590][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.214751][   T12] Workqueue: netns cleanup_net
[   94.214891][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.215065][   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
[   94.215534][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   94.215697][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0523c0 RCX: 1ff4000000018eae
[   94.215888][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d05247c
[   94.216086][   T12] RBP: ff11000005929000 R08: 1fe2200001a0a491 R09: ff11000001aed1d0
[   94.216275][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   94.216464][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   94.216663][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.216890][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.217055][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.217247][   T12] PKRU: 55555554
[   94.217343][   T12] Call Trace:
[   94.217439][   T12]  <TASK>
[   94.217511][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.217640][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   94.217770][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   94.217902][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   94.218034][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.218162][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   94.218322][   T12]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   94.218453][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   94.218588][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.218721][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.218848][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.218984][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   94.219119][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   94.219272][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.219399][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   94.219496][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.219628][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.219758][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.219884][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.220009][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.220140][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.220266][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.220391][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.220573][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.220702][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.220828][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.220951][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.221082][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.221206][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.221331][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.221458][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.221641][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.221770][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.221899][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.222027][   T12]  kthread (kernel/kthread.c:436)
[   94.222123][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.222277][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.222403][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.222584][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.222794][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.222918][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.223049][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.226854][   T12] ------------[ cut here ]------------
| [   94.226984][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.227247][   T12] Modules linked in:
| [   94.227640][   T12] Tainted: [W]=WARN
[   94.227739][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.227899][   T12] Workqueue: netns cleanup_net
[   94.228038][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.228203][   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
[   94.228668][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   94.228832][   T12] RAX: 00000000ffffffa6 RBX: ff110000021de200 RCX: 1ff4000000018ea8
[   94.229029][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021de2bc
[   94.229221][   T12] RBP: ff11000005929000 R08: 1fe220000043bc59 R09: ff11000001aed1d0
[   94.229411][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   94.229609][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.229801][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.230026][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.230187][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.230383][   T12] PKRU: 55555554
[   94.230481][   T12] Call Trace:
[   94.230587][   T12]  <TASK>
[   94.230654][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.230791][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.230888][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.231016][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   94.231155][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   94.231285][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   94.231416][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.231556][   T12]  netif_change_flags (net/core/dev.c:9820)
[   94.231685][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   94.231814][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.231943][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   94.232048][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   94.232145][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.232278][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.232412][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.232599][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.232727][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.232856][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.233041][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.233172][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.233297][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.233435][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.233618][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.233747][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.233878][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.234006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.234141][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.234272][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.234401][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.234586][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.234719][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.234846][   T12]  kthread (kernel/kthread.c:436)
[   94.234942][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.235106][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.235235][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.235363][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.235578][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.235707][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.235835][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.237821][   T12] ------------[ cut here ]------------
| [   94.237958][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.238219][   T12] Modules linked in:
| [   94.238616][   T12] Tainted: [W]=WARN
[   94.238715][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.238877][   T12] Workqueue: netns cleanup_net
[   94.239014][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.239188][   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
[   94.239673][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   94.239836][   T12] RAX: 00000000ffffffa6 RBX: ff110000021de580 RCX: 1ff4000000018ea8
[   94.240031][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021de63c
[   94.240225][   T12] RBP: ff11000005929000 R08: 1fe220000043bcc9 R09: ff11000001aed1d0
[   94.240417][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   94.241158][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.241352][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.241579][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.241739][   T12] CR2: 00007f91dab66574 CR3: 0000000058f4d004 CR4: 0000000000771ef0
[   94.241936][   T12] PKRU: 55555554
[   94.242033][   T12] Call Trace:
[   94.242129][   T12]  <TASK>
[   94.242196][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.242325][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.242424][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.242558][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   94.242687][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   94.242817][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   94.242946][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.243078][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.243211][   T12]  netif_change_flags (net/core/dev.c:9820)
[   94.243340][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   94.243468][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.243605][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   94.243705][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   94.243804][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.243934][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.244069][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.244200][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.244329][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.244456][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.244593][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.244725][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.244852][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.244981][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.245116][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.245243][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.245371][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.245498][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.245635][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.245767][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.245894][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.246032][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.246166][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.246313][   T12]  kthread (kernel/kthread.c:436)
[   94.246415][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.246585][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.246718][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.246850][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.247016][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.247154][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.247288][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.249864][   T12] ------------[ cut here ]------------
| [   94.249997][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.250253][   T12] Modules linked in:
| [   94.250649][   T12] Tainted: [W]=WARN
[   94.250746][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.250915][   T12] Workqueue: netns cleanup_net
[   94.251052][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.251221][   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
[   94.251694][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   94.251860][   T12] RAX: 00000000ffffffa6 RBX: ff110000021df380 RCX: 1ff4000000018eae
[   94.252060][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021df43c
[   94.252259][   T12] RBP: ff11000002941000 R08: 1fe220000043be89 R09: ff11000001aed1d0
[   94.252451][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   94.252653][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   94.252851][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.253085][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.253245][   T12] CR2: 00007f91dab66574 CR3: 0000000058f4d004 CR4: 0000000000771ef0
[   94.253437][   T12] PKRU: 55555554
[   94.253540][   T12] Call Trace:
[   94.253636][   T12]  <TASK>
[   94.253704][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.253833][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   94.253967][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   94.254110][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   94.254239][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   94.254400][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.254536][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.254666][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.254798][   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)
[   94.254929][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.255097][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   94.255226][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   94.255386][   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)
[   94.255518][   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)
[   94.255646][   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)
[   94.255774][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.255910][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   94.256009][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.256146][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.256275][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.256405][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.256541][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.256672][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.256803][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.256930][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.257065][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.257195][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.257323][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.257453][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.257588][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.257719][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.257858][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.257992][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.258137][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.258271][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.258400][   T12]  kthread (kernel/kthread.c:436)
[   94.258498][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.258664][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.258795][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.258924][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.259088][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.259217][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.259347][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.262460][   T12] ------------[ cut here ]------------
| [   94.262853][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.263126][   T12] Modules linked in:
| [   94.263619][   T12] Tainted: [W]=WARN
[   94.263810][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.263977][   T12] Workqueue: netns cleanup_net
[   94.264121][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.264293][   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
[   94.264859][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   94.265030][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf07380 RCX: 1ff4000000018ea8
[   94.265229][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf0743c
[   94.265426][   T12] RBP: ff11000002941000 R08: 1fe22000019e0e89 R09: ff11000001aed1d0
[   94.265712][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   94.265909][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.266113][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.266347][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.266600][   T12] CR2: 00007f91dab66574 CR3: 0000000058f4d004 CR4: 0000000000771ef0
[   94.266802][   T12] PKRU: 55555554
[   94.266901][   T12] Call Trace:
[   94.266999][   T12]  <TASK>
[   94.267071][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.267204][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.267304][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.267437][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   94.267657][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   94.267793][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   94.267925][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.268061][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.268194][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.268325][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.268461][   T12]  netif_change_flags (net/core/dev.c:9820)
[   94.268681][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   94.268814][   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)
[   94.268947][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   94.269050][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   94.269150][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.269286][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.269420][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.269642][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.269775][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.269913][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.270052][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.270183][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.270316][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.270449][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.270637][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.270771][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.270902][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.271041][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.271178][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.271310][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.271446][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.271633][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.271765][   T12]  kthread (kernel/kthread.c:436)
[   94.271866][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.272034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.272168][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.272301][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.272466][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.272650][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.272785][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.275129][   T12] ------------[ cut here ]------------
| [   94.275302][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   94.275664][   T12] Modules linked in:
| [   94.276153][   T12] Tainted: [W]=WARN
[   94.276250][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.276410][   T12] Workqueue: netns cleanup_net
[   94.276554][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.276774][   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
[   94.277407][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   94.277675][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf07700 RCX: 1ff4000000018ea8
[   94.277924][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf077bc
[   94.278178][   T12] RBP: ff11000002941000 R08: 1fe22000019e0ef9 R09: ff11000001aed1d0
[   94.278404][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   94.278603][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.278797][   T12] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   94.279059][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.279295][   T12] CR2: 000055d2bbbfcd5c CR3: 0000000011290001 CR4: 0000000000771ef0
[   94.279569][   T12] PKRU: 55555554
[   94.279708][   T12] Call Trace:
[   94.279846][   T12]  <TASK>
[   94.279946][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.280151][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.280293][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.280437][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   94.280635][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   94.280787][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   94.280917][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.281053][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.281184][   T12]  netif_change_flags (net/core/dev.c:9820)
[   94.281313][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   94.281440][   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)
[   94.281576][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   94.281676][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   94.281773][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.281904][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.282038][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.282166][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.282295][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.282423][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.282560][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.282689][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.282819][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.282948][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.283083][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.283213][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.283341][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.283471][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.283665][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.283792][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.283924][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.284060][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.284188][   T12]  kthread (kernel/kthread.c:436)
[   94.284284][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.284442][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.284624][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.284755][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.284913][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.285045][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.285173][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.287698][   T12] ------------[ cut here ]------------
| [   94.287825][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   94.288087][   T12] Modules linked in:
| [   94.288468][   T12] Tainted: [W]=WARN
[   94.288570][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.288728][   T12] Workqueue: netns cleanup_net
[   94.288860][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.289028][   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
[   94.289467][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.289648][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d053700 RCX: 1ff4000000018eaf
[   94.289834][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0537bc
[   94.290015][   T12] RBP: ff1100000a56c000 R08: 1fe2200001a0a6f9 R09: ff11000001aed1d0
[   94.290205][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   94.290389][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005929000
[   94.290577][   T12] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   94.290796][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.290949][   T12] CR2: 000055d2bbbfcd5c CR3: 0000000011290001 CR4: 0000000000771ef0
[   94.291139][   T12] PKRU: 55555554
[   94.291233][   T12] Call Trace:
[   94.291325][   T12]  <TASK>
[   94.291390][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.291516][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.291609][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.291734][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.291855][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.292006][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.292137][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.292261][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.292416][   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)
[   94.292543][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.292695][   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)
[   94.292817][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.292947][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.293109][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.293234][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.293358][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.293484][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.293611][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.293737][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.293862][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.293983][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.294116][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.294238][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.294361][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.294485][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.294613][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.294738][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.294865][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.294989][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.295120][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.295246][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.295367][   T12]  kthread (kernel/kthread.c:436)
[   94.295460][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.295617][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.295739][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.295864][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.296018][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.296147][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.296269][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.298162][   T12] ------------[ cut here ]------------
| [   94.298289][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   94.298543][   T12] Modules linked in:
| [   94.298929][   T12] Tainted: [W]=WARN
[   94.299030][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.299190][   T12] Workqueue: netns cleanup_net
[   94.299321][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.299485][   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
[   94.299944][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.300129][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d8ea200 RCX: 1ff4000000018eaf
[   94.300317][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8ea2bc
[   94.300511][   T12] RBP: ff11000005929000 R08: 1fe2200001b1d459 R09: ff11000001aed1d0
[   94.300702][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   94.300891][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a504000
[   94.301088][   T12] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   94.301310][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.301469][   T12] CR2: 000055d2bbbfcd5c CR3: 0000000011290001 CR4: 0000000000771ef0
[   94.301664][   T12] PKRU: 55555554
[   94.301759][   T12] Call Trace:
[   94.301853][   T12]  <TASK>
[   94.301920][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.302054][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.302181][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.302277][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.302406][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.302537][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.302694][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.302820][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.302948][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.303115][   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)
[   94.303242][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.303400][   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)
[   94.303532][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.303657][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.303816][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.303949][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.304083][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.304211][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.304340][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.304466][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.304599][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.304725][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.304855][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.304982][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.305114][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.305243][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.305370][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.305504][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.305637][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.305763][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.305894][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.306030][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.306155][   T12]  kthread (kernel/kthread.c:436)
[   94.306250][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.306421][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.306553][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.306681][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.306840][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.306967][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.307098][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.308912][   T12] ------------[ cut here ]------------
| [   94.309045][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   94.309293][   T12] Modules linked in:
| [   94.310170][   T12] Tainted: [W]=WARN
[   94.310269][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.310427][   T12] Workqueue: netns cleanup_net
[   94.310617][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.310780][   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
[   94.311242][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.311401][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d8eac80 RCX: 1ff4000000018eaf
[   94.311642][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d8ead3c
[   94.311834][   T12] RBP: ff1100000a504000 R08: 1fe2200001b1d5a9 R09: ff11000001aed1d0
[   94.312030][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   94.312221][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f434000
[   94.312461][   T12] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   94.312737][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.312897][   T12] CR2: 000055d2bbbfcd5c CR3: 0000000011290001 CR4: 0000000000771ef0
[   94.313096][   T12] PKRU: 55555554
[   94.313192][   T12] Call Trace:
[   94.313286][   T12]  <TASK>
[   94.313353][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.313481][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.313663][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.313762][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.313891][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.314018][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.314181][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.314307][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.314437][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.314648][   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)
[   94.314778][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.314934][   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)
[   94.315064][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.315189][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.315350][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.315480][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.315658][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.315791][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.315919][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.316053][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.316182][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.316310][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.316439][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.316620][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.316747][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.316877][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.317003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.317136][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.317267][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.317396][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.317577][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.317708][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.317836][   T12]  kthread (kernel/kthread.c:436)
[   94.317933][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.318096][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.318223][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.318351][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.318559][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.318686][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.318814][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.321901][   T12] ------------[ cut here ]------------
| [   94.322053][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.322305][   T12] Modules linked in:
| [   94.322711][   T12] Tainted: [W]=WARN
[   94.322807][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.322967][   T12] Workqueue: netns cleanup_net
[   94.323103][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.323278][   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
[   94.323746][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.323906][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d963000 RCX: 1ff4000000018eaf
[   94.324098][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9630bc
[   94.324287][   T12] RBP: ff1100000f434000 R08: 1fe2200001b2c619 R09: ff11000001aed1d0
[   94.324474][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.324667][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002941000
[   94.324904][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.325221][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.325449][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.325737][   T12] PKRU: 55555554
[   94.325852][   T12] Call Trace:
[   94.325949][   T12]  <TASK>
[   94.326017][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.326151][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.326281][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.326378][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.326514][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.326642][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.326800][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.326925][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.327057][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.327219][   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)
[   94.327346][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.327508][   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)
[   94.327635][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.327761][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.327921][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.328056][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.328186][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.328319][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.328445][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.328577][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.328707][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.328833][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.328963][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.329097][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.329223][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.329351][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.329476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.329612][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.329742][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.329868][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.329999][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.330136][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.330262][   T12]  kthread (kernel/kthread.c:436)
[   94.330357][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.330518][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.330650][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.330776][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.330933][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.331069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.331197][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.332813][   T12] ------------[ cut here ]------------
| [   94.332940][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.333198][   T12] Modules linked in:
| [   94.333589][   T12] Tainted: [W]=WARN
[   94.333685][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.333844][   T12] Workqueue: netns cleanup_net
[   94.333977][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.334146][   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
[   94.334600][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.334761][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d963540 RCX: 1ff4000000018eaf
[   94.334950][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9635fc
[   94.335144][   T12] RBP: ff11000002941000 R08: 1fe2200001b2c6c1 R09: ff11000001aed1d0
[   94.335330][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.335524][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005179000
[   94.335718][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.335938][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.336101][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.336293][   T12] PKRU: 55555554
[   94.336390][   T12] Call Trace:
[   94.336490][   T12]  <TASK>
[   94.336562][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.336691][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.336820][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.336917][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.337053][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.337180][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.337337][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.337468][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.337601][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.337761][   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)
[   94.337889][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.338053][   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)
[   94.338181][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.338307][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.338469][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.338604][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.338732][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.338859][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.338986][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.339118][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.339247][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.339372][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.339508][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.339637][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.339763][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.339891][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.340015][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.340149][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.340280][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.340407][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.340544][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.340675][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.340802][   T12]  kthread (kernel/kthread.c:436)
[   94.340897][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.341061][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.341188][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.341316][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.341475][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.341605][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.341733][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.343592][   T12] ------------[ cut here ]------------
| [   94.343722][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.343970][   T12] Modules linked in:
| [   94.344358][   T12] Tainted: [W]=WARN
[   94.344457][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.344622][   T12] Workqueue: netns cleanup_net
[   94.344753][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.344918][   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
[   94.345376][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.345541][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dbb4580 RCX: 1ff4000000018eaf
[   94.345731][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb463c
[   94.345919][   T12] RBP: ff11000005179000 R08: 1fe2200001b768c9 R09: ff11000001aed1d0
[   94.346113][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.346304][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a47c000
[   94.346496][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.346724][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.346883][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.347082][   T12] PKRU: 55555554
[   94.347178][   T12] Call Trace:
[   94.347272][   T12]  <TASK>
[   94.347339][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.347465][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.347596][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.347694][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.347820][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.347947][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.348109][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.348237][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.348365][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.348529][   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)
[   94.348655][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.348814][   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)
[   94.348940][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.349072][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.349231][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.349361][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.349490][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.349623][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.349751][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.349881][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.350013][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.350147][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.350277][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.350405][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.350535][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.350665][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.350801][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.350930][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.351069][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.351196][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.351326][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.351456][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.351588][   T12]  kthread (kernel/kthread.c:436)
[   94.351683][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.351841][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.351970][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.352099][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.352255][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.352383][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.352513][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.355371][   T12] ------------[ cut here ]------------
| [   94.355510][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.355765][   T12] Modules linked in:
| [   94.356159][   T12] Tainted: [W]=WARN
[   94.356254][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.356411][   T12] Workqueue: netns cleanup_net
[   94.356547][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.356711][   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
[   94.357168][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.357329][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d9f2740 RCX: 1ff4000000018eaf
[   94.357523][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9f27fc
[   94.357712][   T12] RBP: ff1100000a47c000 R08: 1fe2200001b3e501 R09: ff11000001aed1d0
[   94.357903][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.358097][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3e1000
[   94.358288][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.358514][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.358674][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.358869][   T12] PKRU: 55555554
[   94.358964][   T12] Call Trace:
[   94.359065][   T12]  <TASK>
[   94.359131][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.359258][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.359385][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.359482][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.359617][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.359744][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.359899][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.360031][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.360160][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.360320][   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)
[   94.360447][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.360612][   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)
[   94.360739][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.360867][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.361032][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.361162][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.361289][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.361418][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.361556][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.361684][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.361815][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.361943][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.362080][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.362208][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.362334][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.362464][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.362598][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.362726][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.362859][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.362988][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.363129][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.363261][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.363387][   T12]  kthread (kernel/kthread.c:436)
[   94.363484][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.363647][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.363774][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.363901][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.364065][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.364191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.364317][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.369176][   T12] ------------[ cut here ]------------
| [   94.369323][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.369597][   T12] Modules linked in:
| [   94.369981][   T12] Tainted: [W]=WARN
[   94.370085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.370244][   T12] Workqueue: netns cleanup_net
[   94.370377][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.370847][   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
[   94.371382][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.371598][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c244c80 RCX: 1ff4000000018eaf
[   94.371792][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c244d3c
[   94.371979][   T12] RBP: ff1100000a3e1000 R08: 1fe22000018489a9 R09: ff11000001aed1d0
[   94.372174][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.372364][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000020bc000
[   94.372611][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.372834][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.372994][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.373189][   T12] PKRU: 55555554
[   94.373283][   T12] Call Trace:
[   94.373379][   T12]  <TASK>
[   94.373446][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.373627][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.373755][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.373853][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.373982][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.374116][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.374275][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.374402][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.374586][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.374745][   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)
[   94.374874][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.375038][   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)
[   94.375167][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.375291][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.375447][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.375628][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.375757][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.375885][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.376012][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.376150][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.376278][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.376403][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.376585][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.376714][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.376841][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.376969][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.377101][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.377229][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.377360][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.377487][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.377669][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.377800][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.377927][   T12]  kthread (kernel/kthread.c:436)
[   94.378027][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.378194][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.378321][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.378450][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.378668][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.378796][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.378923][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.382292][   T12] ------------[ cut here ]------------
| [   94.382437][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.382704][   T12] Modules linked in:
| [   94.383100][   T12] Tainted: [W]=WARN
[   94.383197][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.383358][   T12] Workqueue: netns cleanup_net
[   94.383492][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.383679][   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
[   94.384143][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.384305][   T12] RAX: 00000000ffffffa6 RBX: ff110000111d9000 RCX: 1ff4000000018eaf
[   94.384496][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111d90bc
[   94.384694][   T12] RBP: ff110000020bc000 R08: 1fe220000223b219 R09: ff11000001aed1d0
[   94.384891][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   94.385093][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   94.385284][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.385516][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.385678][   T12] CR2: 00007f91dab66574 CR3: 0000000058f4d004 CR4: 0000000000771ef0
[   94.385870][   T12] PKRU: 55555554
[   94.385966][   T12] Call Trace:
[   94.386067][   T12]  <TASK>
[   94.386135][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.386263][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.386389][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.386487][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.386625][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.386753][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.386912][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.387044][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.387174][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.387335][   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)
[   94.387463][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.387631][   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)
[   94.387759][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.387886][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.388051][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.388181][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.388309][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.388437][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.388573][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.388701][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.388830][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.388955][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.389090][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.389218][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.389345][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.389475][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.389606][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.389736][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.389868][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.389995][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.390133][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.390266][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.390393][   T12]  kthread (kernel/kthread.c:436)
[   94.390494][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.390661][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.390789][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.390916][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.391080][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.391206][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.391333][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.395656][   T12] ------------[ cut here ]------------
| [   94.395790][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.396037][   T12] Modules linked in:
| [   94.396417][   T12] Tainted: [W]=WARN
[   94.396517][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.396671][   T12] Workqueue: netns cleanup_net
[   94.396800][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.396960][   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
[   94.397405][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.397567][   T12] RAX: 00000000ffffffa6 RBX: ff110000111d9c40 RCX: 1ff4000000018ed5
[   94.397749][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111d9cfc
[   94.397931][   T12] RBP: ff1100000a56c000 R08: 1fe220000223b3a1 R09: ff11000001aed1d0
[   94.398122][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.398306][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.398490][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.399439][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.399646][   T12] CR2: 00007f91dab66574 CR3: 0000000058f4d004 CR4: 0000000000771ef0
[   94.399882][   T12] PKRU: 55555554
[   94.399974][   T12] Call Trace:
[   94.400070][   T12]  <TASK>
[   94.400139][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.400295][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.400449][   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)
[   94.400619][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.400745][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.400901][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.401035][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.401160][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.401282][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.401406][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.401580][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.401701][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.401825][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.401949][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.402076][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.402201][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.402323][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.402447][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.402599][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.402721][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.402848][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.402974][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.403103][   T12]  kthread (kernel/kthread.c:436)
[   94.403197][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.403350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.403473][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.403602][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.403757][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.403880][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.404002][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.406781][   T12] ------------[ cut here ]------------
| [   94.406910][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.407158][   T12] Modules linked in:
| [   94.407592][   T12] Tainted: [W]=WARN
[   94.407687][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.407841][   T12] Workqueue: netns cleanup_net
[   94.407968][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.408134][   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
[   94.408644][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.408800][   T12] RAX: 00000000ffffffa6 RBX: ff110000111da580 RCX: 1ff4000000018ed5
[   94.408985][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111da63c
[   94.409180][   T12] RBP: ff11000005929000 R08: 1fe220000223b4c9 R09: ff11000001aed1d0
[   94.409366][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.409598][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.409831][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.410053][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.410209][   T12] CR2: 00007f91dab66574 CR3: 0000000058f4d004 CR4: 0000000000771ef0
[   94.410392][   T12] PKRU: 55555554
[   94.410484][   T12] Call Trace:
[   94.410624][   T12]  <TASK>
[   94.410688][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.410845][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.410998][   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)
[   94.411130][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.411262][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.411419][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.411590][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.411713][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.411836][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.411961][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.412093][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.412214][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.412339][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.412461][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.412633][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.412762][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.412886][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.413011][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.413146][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.413272][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.413399][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.413572][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.413695][   T12]  kthread (kernel/kthread.c:436)
[   94.413787][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.413940][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.414066][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.414189][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.414344][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.414466][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.414637][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.417627][   T12] ------------[ cut here ]------------
| [   94.417769][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.418014][   T12] Modules linked in:
| [   94.418406][   T12] Tainted: [W]=WARN
[   94.418506][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.418659][   T12] Workqueue: netns cleanup_net
[   94.418785][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.418945][   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
[   94.419391][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.419558][   T12] RAX: 00000000ffffffa6 RBX: ff110000111db000 RCX: 1ff4000000018ed5
[   94.419741][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111db0bc
[   94.419925][   T12] RBP: ff1100000a504000 R08: 1fe220000223b619 R09: ff11000001aed1d0
[   94.420113][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   94.420293][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.420477][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.420697][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.420852][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.421042][   T12] PKRU: 55555554
[   94.421135][   T12] Call Trace:
[   94.421226][   T12]  <TASK>
[   94.421290][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.421447][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.421630][   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)
[   94.421757][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.421879][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.422042][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.422167][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.422294][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.422418][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.422548][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.422677][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.422799][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.422926][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.423059][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.423182][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.423308][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.423432][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.423564][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.423694][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.423818][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.423947][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.424082][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.424206][   T12]  kthread (kernel/kthread.c:436)
[   94.424300][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.424454][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.424586][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.424710][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.424866][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.424990][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.425119][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.428232][   T12] ------------[ cut here ]------------
| [   94.428421][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.428696][   T12] Modules linked in:
| [   94.429081][   T12] Tainted: [W]=WARN
[   94.429173][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.429327][   T12] Workqueue: netns cleanup_net
[   94.429456][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.429623][   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
[   94.430073][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.430227][   T12] RAX: 00000000ffffffa6 RBX: ff110000111dbc40 RCX: 1ff4000000018ed5
[   94.430410][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111dbcfc
[   94.430683][   T12] RBP: ff1100000f434000 R08: 1fe220000223b7a1 R09: ff11000001aed1d0
[   94.430865][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   94.431059][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.431243][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.431458][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.431709][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.432000][   T12] PKRU: 55555554
[   94.432097][   T12] Call Trace:
[   94.432187][   T12]  <TASK>
[   94.432250][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.432412][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.432658][   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)
[   94.432782][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.432905][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.433080][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.433210][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.433336][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.433459][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.433680][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.433804][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.433925][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.434058][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.434180][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.434302][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.434426][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.434643][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.434769][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.434896][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.435018][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.435150][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.435288][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.435411][   T12]  kthread (kernel/kthread.c:436)
[   94.435596][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.435751][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.435874][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.435998][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.436154][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.436278][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.436401][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.439403][   T12] ------------[ cut here ]------------
| [   94.439588][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.439882][   T12] Modules linked in:
| [   94.440373][   T12] Tainted: [W]=WARN
[   94.440525][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.440727][   T12] Workqueue: netns cleanup_net
[   94.440902][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.441118][   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
[   94.441614][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.441819][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b4e6900 RCX: 1ff4000000018ed5
[   94.442055][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4e69bc
[   94.442288][   T12] RBP: ff11000002941000 R08: 1fe220000169cd39 R09: ff11000001aed1d0
[   94.442527][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.442756][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.442986][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.443257][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.443455][   T12] CR2: 00007f829f223000 CR3: 000000000fc2e006 CR4: 0000000000771ef0
[   94.443701][   T12] PKRU: 55555554
[   94.443840][   T12] Call Trace:
[   94.443980][   T12]  <TASK>
[   94.444099][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.444307][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.444523][   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)
[   94.444698][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.444869][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.445086][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.445260][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.445431][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.445613][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.445786][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.445969][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.446150][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.446324][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.446513][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.446683][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.446855][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.447033][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.447210][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.447385][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.447569][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.447747][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.447926][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.448100][   T12]  kthread (kernel/kthread.c:436)
[   94.448241][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.448448][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.448643][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.448817][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.449016][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.449194][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.449364][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.452194][   T12] ------------[ cut here ]------------
| [   94.452365][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.452742][   T12] Modules linked in:
| [   94.453215][   T12] Tainted: [W]=WARN
[   94.453357][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.453574][   T12] Workqueue: netns cleanup_net
[   94.453749][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.453955][   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
[   94.454440][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.454658][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b4e7380 RCX: 1ff4000000018ed5
[   94.454885][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4e743c
[   94.455122][   T12] RBP: ff11000005179000 R08: 1fe220000169ce89 R09: ff11000001aed1d0
[   94.455349][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.455591][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.455824][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.456095][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.456296][   T12] CR2: 00007f829f223000 CR3: 000000000fc2e006 CR4: 0000000000771ef0
[   94.456544][   T12] PKRU: 55555554
[   94.456682][   T12] Call Trace:
[   94.456820][   T12]  <TASK>
[   94.456960][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.457176][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.457376][   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)
[   94.457562][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.457736][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.457944][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.458127][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.458301][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.458474][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.458661][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.458836][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.459007][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.459195][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.459369][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.459551][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.459727][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.459902][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.460088][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.460266][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.460442][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.460631][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.460808][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.460981][   T12]  kthread (kernel/kthread.c:436)
[   94.461132][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.461334][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.461518][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.461693][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.461899][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.462082][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.462261][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.465830][   T12] ------------[ cut here ]------------
| [   94.466010][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.466315][   T12] Modules linked in:
| [   94.466808][   T12] Tainted: [W]=WARN
[   94.466949][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.467160][   T12] Workqueue: netns cleanup_net
[   94.467337][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.467562][   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
[   94.468060][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.468262][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dbb4040 RCX: 1ff4000000018ed5
[   94.468492][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb40fc
[   94.468743][   T12] RBP: ff1100000a47c000 R08: 1fe2200001b76821 R09: ff11000001aed1d0
[   94.468977][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.469217][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.469450][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.469725][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.469934][   T12] CR2: 00007f829f223000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.470179][   T12] PKRU: 55555554
[   94.470319][   T12] Call Trace:
[   94.470458][   T12]  <TASK>
[   94.470582][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.470790][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.470991][   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)
[   94.471182][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.471354][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.471574][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.471751][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.471925][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.472104][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.472278][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.472453][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.472639][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.472814][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.472987][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.473164][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.473343][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.473529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.473707][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.473887][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.474070][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.474246][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.474425][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.474613][   T12]  kthread (kernel/kthread.c:436)
[   94.474755][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.474958][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.475144][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.475320][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.475534][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.475706][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.475877][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.478845][   T12] ------------[ cut here ]------------
| [   94.479016][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.479386][   T12] Modules linked in:
| [   94.479932][   T12] Tainted: [W]=WARN
[   94.480085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.480289][   T12] Workqueue: netns cleanup_net
[   94.480495][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.480725][   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
[   94.481218][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.481511][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d06f000 RCX: 1ff4000000018ed5
[   94.481748][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d06f0bc
[   94.481981][   T12] RBP: ff1100000a3e1000 R08: 1fe2200001a0de19 R09: ff11000001aed1d0
[   94.482296][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.482539][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.482777][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.483077][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.483354][   T12] CR2: 00007f829f223000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.483602][   T12] PKRU: 55555554
[   94.483742][   T12] Call Trace:
[   94.483909][   T12]  <TASK>
[   94.484019][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.484312][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.484603][   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)
[   94.484781][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.485033][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.485317][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.485491][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.485683][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.485930][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.486115][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.486293][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.486462][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.486649][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.486825][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.487075][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.487253][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.487513][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.487688][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.487865][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.488042][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.488294][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.488516][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.488695][   T12]  kthread (kernel/kthread.c:436)
[   94.488910][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.489196][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.489445][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.489636][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.489839][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.490167][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.490347][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.494298][   T12] ------------[ cut here ]------------
| [   94.494476][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.494856][   T12] Modules linked in:
| [   94.495414][   T12] Tainted: [W]=WARN
[   94.495643][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.495849][   T12] Workqueue: netns cleanup_net
[   94.496038][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.496331][   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
[   94.496828][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.497122][   T12] RAX: 00000000ffffffa6 RBX: ff11000008fa9700 RCX: 1ff4000000018ed5
[   94.497383][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fa97bc
[   94.497627][   T12] RBP: ff110000020bc000 R08: 1fe22000011f52f9 R09: ff11000001aed1d0
[   94.497883][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.498206][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.498446][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.498724][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.498929][   T12] CR2: 00007f829f223000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.499176][   T12] PKRU: 55555554
[   94.499318][   T12] Call Trace:
[   94.499458][   T12]  <TASK>
[   94.499583][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.499792][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.500080][   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)
[   94.500335][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.500603][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.500812][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.500993][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.501175][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.501423][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.501615][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.501804][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.501977][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.502315][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.502496][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.502682][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.502858][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.503039][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.503215][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.503391][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.503609][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.503787][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.504076][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.504250][   T12]  kthread (kernel/kthread.c:436)
[   94.504391][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.504683][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.504860][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.505043][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.505247][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.505420][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.505609][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.552846][   T12] ------------[ cut here ]------------
| [   94.553030][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.553324][   T12] Modules linked in:
| [   94.553805][   T12] Tainted: [W]=WARN
[   94.553944][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.554150][   T12] Workqueue: netns cleanup_net
[   94.554324][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.554597][   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
[   94.555084][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.555291][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dbb0ac0 RCX: 1ff4000000018eed
[   94.555528][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbb0b7c
[   94.555759][   T12] RBP: ff1100000e369000 R08: 1fe2200001b76171 R09: ff11000001aed1d0
[   94.556004][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.556242][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.556471][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.556741][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.556938][   T12] CR2: 00007f829f223000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.557181][   T12] PKRU: 55555554
[   94.557317][   T12] Call Trace:
[   94.557455][   T12]  <TASK>
[   94.557588][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.557792][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.557993][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.558170][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.558342][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.558527][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.558699][   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)
[   94.558870][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.559049][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.559218][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.559390][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.559579][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.559753][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.559924][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.560097][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.560270][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.560442][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.560624][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.560797][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.560970][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.561148][   T12]  kthread (kernel/kthread.c:436)
[   94.561287][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.561484][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.561666][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.561837][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.562040][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.562208][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.562379][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.565018][   T12] ------------[ cut here ]------------
| [   94.565195][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.565480][   T12] Modules linked in:
| [   94.565955][   T12] Tainted: [W]=WARN
[   94.566097][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.566292][   T12] Workqueue: netns cleanup_net
[   94.566466][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.566678][   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
[   94.567157][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.567356][   T12] RAX: 00000000ffffffa6 RBX: ff11000009043540 RCX: 1ff4000000018eed
[   94.567599][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000090435fc
[   94.567825][   T12] RBP: ff11000009d34000 R08: 1fe22000012086c1 R09: ff11000001aed1d0
[   94.568057][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.568282][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.568523][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.568778][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.568974][   T12] CR2: 00007f829f223000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.569208][   T12] PKRU: 55555554
[   94.569343][   T12] Call Trace:
[   94.569482][   T12]  <TASK>
[   94.569604][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.569808][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.570002][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.570179][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.570349][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.570528][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.570698][   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)
[   94.570872][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.571050][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.571217][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.571388][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.571569][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.571736][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.571905][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.572081][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.572273][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.572450][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.572630][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.572804][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.572978][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.573155][   T12]  kthread (kernel/kthread.c:436)
[   94.573295][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.573492][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.573676][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.573850][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.574056][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.574227][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.574396][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.577060][   T12] ------------[ cut here ]------------
| [   94.577229][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.577910][   T12] Modules linked in:
| [   94.578532][   T12] Tainted: [W]=WARN
[   94.578716][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.578961][   T12] Workqueue: netns cleanup_net
[   94.579194][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.579447][   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
[   94.579992][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.580242][   T12] RAX: 00000000ffffffa6 RBX: ff11000009043380 RCX: 1ff4000000018eed
[   94.580528][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000904343c
[   94.580798][   T12] RBP: ff11000010081000 R08: 1fe2200001208689 R09: ff11000001aed1d0
[   94.581080][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.581354][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.581642][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.581945][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.582204][   T12] CR2: 00007f829f223000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.582486][   T12] PKRU: 55555554
[   94.582694][   T12] Call Trace:
[   94.582877][   T12]  <TASK>
[   94.583042][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.583290][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.583556][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.583776][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.583994][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.584213][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.584429][   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)
[   94.584659][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.584874][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.585126][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.585396][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.585691][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.585949][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.586219][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.586484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.586686][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.586859][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.587038][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.587233][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.587408][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.587591][   T12]  kthread (kernel/kthread.c:436)
[   94.587732][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.587933][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.588114][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.588287][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.588489][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.588673][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.588844][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.591303][   T12] ------------[ cut here ]------------
| [   94.591473][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.591773][   T12] Modules linked in:
| [   94.592256][   T12] Tainted: [W]=WARN
[   94.592398][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.592723][   T12] Workqueue: netns cleanup_net
[   94.592993][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.593288][   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
[   94.593878][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.594131][   T12] RAX: 00000000ffffffa6 RBX: ff11000009042c80 RCX: 1ff4000000018eed
[   94.594405][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009042d3c
[   94.594684][   T12] RBP: ff1100000eb54000 R08: 1fe22000012085a9 R09: ff11000001aed1d0
[   94.594958][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.595236][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.595525][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.595835][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.596091][   T12] CR2: 00007f829f223000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.596369][   T12] PKRU: 55555554
[   94.596593][   T12] Call Trace:
[   94.596775][   T12]  <TASK>
[   94.596928][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.597180][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.597423][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.597652][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.597873][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.598094][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.598340][   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)
[   94.598585][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.598804][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.599016][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.599244][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.599461][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.599686][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.599902][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.600125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.600353][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.600640][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.600906][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.601182][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.601443][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.601692][   T12]  kthread (kernel/kthread.c:436)
[   94.601831][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.602034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.602203][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.602387][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.602606][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.602776][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.602946][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.605393][   T12] ------------[ cut here ]------------
| [   94.605578][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.605860][   T12] Modules linked in:
| [   94.606330][   T12] Tainted: [W]=WARN
[   94.606470][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.606791][   T12] Workqueue: netns cleanup_net
[   94.607065][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.607374][   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
[   94.607923][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.608213][   T12] RAX: 00000000ffffffa6 RBX: ff11000009043c40 RCX: 1ff4000000018eed
[   94.608479][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009043cfc
[   94.608763][   T12] RBP: ff1100000fbd9000 R08: 1fe22000012087a1 R09: ff11000001aed1d0
[   94.609045][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   94.609311][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.609595][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.609894][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.610143][   T12] CR2: 00007f829f223000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.610418][   T12] PKRU: 55555554
[   94.610610][   T12] Call Trace:
[   94.610789][   T12]  <TASK>
[   94.610942][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.611200][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.611439][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.611663][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.611878][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.612100][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.612317][   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)
[   94.612550][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.612765][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.612978][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.613206][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.613421][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.613648][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.613862][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.614083][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.614301][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.614536][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.614750][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.614969][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.615194][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.615437][   T12]  kthread (kernel/kthread.c:436)
[   94.615633][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.615884][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.616104][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.616383][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.616682][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.616952][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.617215][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.633820][   T12] ------------[ cut here ]------------
| [   94.633999][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.634317][   T12] Modules linked in:
| [   94.634809][   T12] Tainted: [W]=WARN
[   94.634953][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.635172][   T12] Workqueue: netns cleanup_net
[   94.635357][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.635592][   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
[   94.636095][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   94.636303][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d278e40 RCX: 1ff4000000018eae
[   94.636552][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d278efc
[   94.636787][   T12] RBP: ff1100000f961000 R08: 1fe2200001a4f1e1 R09: ff11000001aed1d0
[   94.637032][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   94.637277][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   94.637532][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.637804][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.638013][   T12] CR2: 00007f8e246fc264 CR3: 000000000fa16001 CR4: 0000000000771ef0
[   94.638260][   T12] PKRU: 55555554
[   94.638403][   T12] Call Trace:
[   94.638558][   T12]  <TASK>
[   94.638676][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.638853][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   94.639039][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   94.639218][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   94.639396][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.639661][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   94.639948][   T12]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   94.640219][   T12]  ? default_device_exit_batch (net/core/dev.c:13075)
[   94.640469][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.640745][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.640993][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.641257][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   94.641518][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   94.641803][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.642053][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   94.642204][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.642383][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.642579][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.642757][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.642935][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.643121][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.643301][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.643484][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.643673][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.643854][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.644039][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.644216][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.644393][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.644582][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.644762][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.644947][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.645132][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.645314][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.645494][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.645685][   T12]  kthread (kernel/kthread.c:436)
[   94.645829][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.646044][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.646227][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.646405][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.646627][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.646804][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.646981][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.650650][   T12] ------------[ cut here ]------------
| [   94.650834][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.651161][   T12] Modules linked in:
| [   94.651674][   T12] Tainted: [W]=WARN
[   94.651820][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.652041][   T12] Workqueue: netns cleanup_net
[   94.652228][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.652449][   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
[   94.653002][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   94.653224][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a463c0 RCX: 1ff4000000018ea8
[   94.653470][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a4647c
[   94.653725][   T12] RBP: ff1100000f961000 R08: 1fe2200001348c91 R09: ff11000001aed1d0
[   94.653969][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   94.654224][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.654467][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.654754][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.654965][   T12] CR2: 00007f8e246fc264 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.655218][   T12] PKRU: 55555554
[   94.655365][   T12] Call Trace:
[   94.655525][   T12]  <TASK>
[   94.655643][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.655825][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.655979][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.656166][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   94.656352][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   94.656547][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   94.656728][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.656912][   T12]  netif_change_flags (net/core/dev.c:9820)
[   94.657101][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   94.657298][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.657479][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   94.657657][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   94.657810][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.657993][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.658187][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.658371][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.658570][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.658750][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.658934][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.659128][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.659308][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.659491][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.659689][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.659874][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.660063][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.660244][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.660426][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.660622][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.660805][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.660991][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.661188][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.661370][   T12]  kthread (kernel/kthread.c:436)
[   94.661531][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.661745][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.661928][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.662123][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.662338][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.662536][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.662719][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.664799][   T12] ------------[ cut here ]------------
| [   94.664980][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.665333][   T12] Modules linked in:
| [   94.665859][   T12] Tainted: [W]=WARN
[   94.666011][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.666231][   T12] Workqueue: netns cleanup_net
[   94.666415][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.667253][   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
[   94.667859][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   94.668134][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a46740 RCX: 1ff4000000018ea8
[   94.668471][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a467fc
[   94.668777][   T12] RBP: ff1100000f961000 R08: 1fe2200001348d01 R09: ff11000001aed1d0
[   94.669081][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   94.669391][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.669701][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.670037][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.670302][   T12] CR2: 00007f8e246fc264 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.670618][   T12] PKRU: 55555554
[   94.670814][   T12] Call Trace:
[   94.671012][   T12]  <TASK>
[   94.671187][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.671423][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.671637][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.671870][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   94.672113][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   94.672347][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   94.672593][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.672825][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.673068][   T12]  netif_change_flags (net/core/dev.c:9820)
[   94.673303][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   94.673551][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.673787][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   94.673993][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   94.674200][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.674430][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.674674][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.674907][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.675149][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.675380][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.675632][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.675868][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.676104][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.676338][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.676585][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.676816][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.677092][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.677387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.677686][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.678088][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.678406][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.678764][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.678944][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.679134][   T12]  kthread (kernel/kthread.c:436)
[   94.679283][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.679514][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.679694][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.679878][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.680100][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.680281][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.680462][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.691384][   T12] ------------[ cut here ]------------
| [   94.691723][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.692031][   T12] Modules linked in:
| [   94.692532][   T12] Tainted: [W]=WARN
[   94.692678][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.692888][   T12] Workqueue: netns cleanup_net
[   94.693080][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.693297][   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
[   94.693837][   T12] RSP: 0018:ffa00000000c7740 EFLAGS: 00010286
[   94.694056][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a47540 RCX: 1ff4000000018eae
[   94.694294][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a475fc
[   94.694546][   T12] RBP: ff1100000f451000 R08: 1fe2200001348ec1 R09: ff11000001aed1d0
[   94.694792][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   94.695041][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   94.695284][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.695566][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.695772][   T12] CR2: 00007f8e246fc264 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.696014][   T12] PKRU: 55555554
[   94.696165][   T12] Call Trace:
[   94.696310][   T12]  <TASK>
[   94.696423][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.696613][   T12]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   94.696794][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   94.697007][   T12]  __netdev_upper_dev_unlink (net/core/dev.c:9027)
[   94.697199][   T12]  ? netdev_adjacent_change_prepare (net/core/dev.c:9110)
[   94.697414][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.697608][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.697786][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.697968][   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)
[   94.698159][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.698340][   T12]  netdev_upper_dev_unlink (net/core/dev.c:9054)
[   94.698530][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9036)
[   94.698742][   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)
[   94.698921][   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)
[   94.699100][   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)
[   94.699277][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.699455][   T12]  vrf_dellink (drivers/net/vrf.c:1060 drivers/net/vrf.c:1629)
[   94.699633][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.699815][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.699999][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.700197][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.700374][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.700567][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.700748][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.700924][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.701112][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.701294][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.701471][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.701663][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.701839][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.702017][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.702210][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.702388][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.702585][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.702767][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.702945][   T12]  kthread (kernel/kthread.c:436)
[   94.703097][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.703306][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.703487][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.703679][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.703887][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.704069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.704245][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.707732][   T12] ------------[ cut here ]------------
| [   94.707921][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.708246][   T12] Modules linked in:
| [   94.708755][   T12] Tainted: [W]=WARN
[   94.708902][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.709121][   T12] Workqueue: netns cleanup_net
[   94.709305][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.709537][   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
[   94.710064][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   94.710280][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c348580 RCX: 1ff4000000018ea8
[   94.710536][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c34863c
[   94.710788][   T12] RBP: ff1100000f451000 R08: 1fe22000018690c9 R09: ff11000001aed1d0
[   94.711039][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   94.711285][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.711543][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.711826][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.712047][   T12] CR2: 00007f8e246fc264 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.712306][   T12] PKRU: 55555554
[   94.712452][   T12] Call Trace:
[   94.712611][   T12]  <TASK>
[   94.712727][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.712909][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.713065][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.713245][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   94.713427][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   94.713629][   T12]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   94.713811][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.713990][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.714175][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.714358][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.714553][   T12]  netif_change_flags (net/core/dev.c:9820)
[   94.714736][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   94.714914][   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)
[   94.715121][   T12]  cycle_netdev (drivers/net/vrf.c:1001)
[   94.715274][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   94.715424][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.715622][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.715806][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.715990][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.716175][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.716358][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.716555][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.716737][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.716920][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.717108][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.717287][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.717469][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.717663][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.717847][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.718069][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.718250][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.718435][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.718637][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.718820][   T12]  kthread (kernel/kthread.c:436)
[   94.718968][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.719191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.719376][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.719572][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.719784][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.719965][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.720154][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.722206][   T12] ------------[ cut here ]------------
| [   94.722385][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.722713][   T12] Modules linked in:
| [   94.723223][   T12] Tainted: [W]=WARN
[   94.723370][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.724157][   T12] Workqueue: netns cleanup_net
[   94.724403][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.724695][   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
[   94.725280][   T12] RSP: 0018:ffa00000000c7710 EFLAGS: 00010286
[   94.725563][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c515a80 RCX: 1ff4000000018ea8
[   94.725867][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c515b3c
[   94.726170][   T12] RBP: ff1100000f451000 R08: 1fe22000018a2b69 R09: ff11000001aed1d0
[   94.726468][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   94.726773][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.727081][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.727414][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.727698][   T12] CR2: 00007f8e246fc264 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.728004][   T12] PKRU: 55555554
[   94.728240][   T12] Call Trace:
[   94.728437][   T12]  <TASK>
[   94.728618][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.728853][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.729063][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.729300][   T12]  __dev_notify_flags (net/core/dev.c:9787)
[   94.729549][   T12]  ? netif_change_name (net/core/dev.c:1495)
[   94.729786][   T12]  ? __dev_change_flags (net/core/dev.c:9752)
[   94.730030][   T12]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.730285][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.730537][   T12]  netif_change_flags (net/core/dev.c:9820)
[   94.730779][   T12]  dev_change_flags (net/core/dev_api.c:68)
[   94.731043][   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)
[   94.731306][   T12]  cycle_netdev (drivers/net/vrf.c:1003)
[   94.731644][   T12]  vrf_dellink (drivers/net/vrf.c:1068 drivers/net/vrf.c:1629)
[   94.731913][   T12]  ? vrf_map_unregister_dev (./include/linux/list.h:1029 (discriminator 2))
[   94.732255][   T12]  default_device_exit_batch (net/core/dev.c:13084)
[   94.732593][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.732777][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.732959][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.733181][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.733366][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.733591][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.733777][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.733959][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.734215][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.734398][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.734667][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.734853][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.735049][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.735232][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.735424][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.735623][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.735807][   T12]  kthread (kernel/kthread.c:436)
[   94.735954][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.736173][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.736355][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.736554][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.736773][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.736956][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.737145][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.740035][   T12] ------------[ cut here ]------------
| [   94.740214][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   94.741096][   T12] Modules linked in:
| [   94.741726][   T12] Tainted: [W]=WARN
[   94.741920][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.742184][   T12] Workqueue: netns cleanup_net
[   94.742414][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.742703][   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
[   94.743266][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.743538][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c5143c0 RCX: 1ff4000000018eaf
[   94.743821][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c51447c
[   94.744114][   T12] RBP: ff11000008bd4000 R08: 1fe22000018a2891 R09: ff11000001aed1d0
[   94.744404][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   94.744704][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f961000
[   94.744992][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   94.745315][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.745585][   T12] CR2: 00007f8e246fc264 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   94.745877][   T12] PKRU: 55555554
[   94.746074][   T12] Call Trace:
[   94.746268][   T12]  <TASK>
[   94.746432][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.746668][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.746863][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.747163][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.747470][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.747843][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.748168][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.748443][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.748809][   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)
[   94.749133][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.749539][   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)
[   94.749744][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.749975][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.750260][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.750446][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.750642][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.750822][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.751000][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.751219][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.751435][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.751649][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.751876][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.752067][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.752243][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.752421][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.752611][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.752790][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.752970][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.753155][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.753341][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.753534][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.753715][   T12]  kthread (kernel/kthread.c:436)
[   94.753861][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.754072][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.754278][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.754471][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.754702][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.754881][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.755068][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.757285][   T12] ------------[ cut here ]------------
| [   94.757434][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.757704][   T12] Modules linked in:
| [   94.758101][   T12] Tainted: [W]=WARN
[   94.758197][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.758357][   T12] Workqueue: netns cleanup_net
[   94.758489][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.758667][   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
[   94.759131][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.759293][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c514c80 RCX: 1ff4000000018eaf
[   94.759482][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c514d3c
[   94.759735][   T12] RBP: ff1100000f961000 R08: 1fe22000018a29a9 R09: ff11000001aed1d0
[   94.759925][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.760126][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e17c000
[   94.760317][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.760591][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.760751][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d006 CR4: 0000000000771ef0
[   94.760946][   T12] PKRU: 55555554
[   94.761047][   T12] Call Trace:
[   94.761142][   T12]  <TASK>
[   94.761209][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.761389][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.761569][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.761667][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.761796][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.761925][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.762090][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.762218][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.762349][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.762559][   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)
[   94.762700][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.762857][   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)
[   94.762985][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.763121][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.763282][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.763415][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.763598][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.763727][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.763855][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.763986][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.764122][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.764250][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.764381][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.764560][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.764688][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.764818][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.764946][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.765083][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.765213][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.765343][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.765474][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.765655][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.765784][   T12]  kthread (kernel/kthread.c:436)
[   94.765880][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.766042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.766171][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.766299][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.766459][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.766637][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.766763][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.768982][   T12] ------------[ cut here ]------------
| [   94.769128][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.769377][   T12] Modules linked in:
| [   94.769782][   T12] Tainted: [W]=WARN
[   94.769879][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.770048][   T12] Workqueue: netns cleanup_net
[   94.770181][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.770348][   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
[   94.770809][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.770974][   T12] RAX: 00000000ffffffa6 RBX: ff1100000db103c0 RCX: 1ff4000000018eaf
[   94.771225][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000db1047c
[   94.771436][   T12] RBP: ff1100000e17c000 R08: 1fe2200001b62091 R09: ff11000001aed1d0
[   94.771642][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.771831][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e1d9000
[   94.772037][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.772263][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.772422][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d006 CR4: 0000000000771ef0
[   94.772619][   T12] PKRU: 55555554
[   94.772713][   T12] Call Trace:
[   94.772812][   T12]  <TASK>
[   94.772878][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.773007][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.773142][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.773239][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.773371][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.773505][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.773662][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.773789][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.773919][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.774083][   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)
[   94.774209][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.774367][   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)
[   94.774493][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.774625][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.774784][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.774914][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.775048][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.775176][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.775304][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.775433][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.775567][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.775693][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.775824][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.775953][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.776085][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.776214][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.776339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.776468][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.776610][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.776738][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.776870][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.777003][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.777134][   T12]  kthread (kernel/kthread.c:436)
[   94.777229][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.777387][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.777519][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.777646][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.777810][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.777941][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.778070][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.794787][   T12] ------------[ cut here ]------------
| [   94.794982][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.795260][   T12] Modules linked in:
| [   94.795662][   T12] Tainted: [W]=WARN
[   94.795757][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.795917][   T12] Workqueue: netns cleanup_net
[   94.796056][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.796221][   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
[   94.796682][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.796844][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a2b5540 RCX: 1ff4000000018eaf
[   94.797040][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b55fc
[   94.797235][   T12] RBP: ff1100000e1d9000 R08: 1fe2200001456ac1 R09: ff11000001aed1d0
[   94.797433][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.797631][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f451000
[   94.797822][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.798057][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.798216][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d006 CR4: 0000000000771ef0
[   94.798404][   T12] PKRU: 55555554
[   94.798498][   T12] Call Trace:
[   94.798597][   T12]  <TASK>
[   94.798664][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.798791][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.798925][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.799028][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.799156][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.799282][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.799441][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.799573][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.799700][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.799859][   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)
[   94.799991][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.800156][   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)
[   94.800287][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.800413][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.800575][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.800704][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.800834][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.800966][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.801097][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.801225][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.801352][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.801479][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.801616][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.801744][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.801871][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.801997][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.802126][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.802254][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.802384][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.802513][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.802645][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.802779][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.802905][   T12]  kthread (kernel/kthread.c:436)
[   94.803000][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.803162][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.803288][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.803415][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.803576][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.803706][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.803839][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.805867][   T12] ------------[ cut here ]------------
| [   94.806061][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.806330][   T12] Modules linked in:
| [   94.806783][   T12] Tainted: [W]=WARN
[   94.806879][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.807048][   T12] Workqueue: netns cleanup_net
[   94.807180][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.807346][   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
[   94.807833][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.807999][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a2b4040 RCX: 1ff4000000018eaf
[   94.808193][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b40fc
[   94.808387][   T12] RBP: ff1100000f451000 R08: 1fe2200001456821 R09: ff11000001aed1d0
[   94.808584][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.808773][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bb9000
[   94.808966][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.809190][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.809350][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d006 CR4: 0000000000771ef0
[   94.809546][   T12] PKRU: 55555554
[   94.809642][   T12] Call Trace:
[   94.809738][   T12]  <TASK>
[   94.809805][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.809935][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.810070][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.810167][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.810295][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.810424][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.810592][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.810721][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.810852][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.811014][   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)
[   94.811146][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.811303][   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)
[   94.811431][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.811569][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.811736][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.811868][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.811997][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.812128][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.812255][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.812384][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.812516][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.812644][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.812780][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.812909][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.813044][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.813171][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.813303][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.813437][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.813579][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.813705][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.813841][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.813975][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.814107][   T12]  kthread (kernel/kthread.c:436)
[   94.814204][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.814363][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.814491][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.814624][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.814782][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.814911][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.815044][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.817231][   T12] ------------[ cut here ]------------
| [   94.817369][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.817748][   T12] Modules linked in:
| [   94.818165][   T12] Tainted: [W]=WARN
[   94.818262][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.818419][   T12] Workqueue: netns cleanup_net
[   94.818641][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.818809][   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
[   94.819321][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.819481][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c50a740 RCX: 1ff4000000018eaf
[   94.819798][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c50a7fc
[   94.819988][   T12] RBP: ff11000008bb9000 R08: 1fe22000018a1501 R09: ff11000001aed1d0
[   94.820182][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   94.820371][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000edac000
[   94.820658][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.820880][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.821044][   T12] CR2: 000055d2daec11b0 CR3: 0000000058f4d006 CR4: 0000000000771ef0
[   94.821235][   T12] PKRU: 55555554
[   94.821328][   T12] Call Trace:
[   94.821423][   T12]  <TASK>
[   94.821488][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.821667][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.821794][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.821893][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.822021][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.822151][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.822308][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.822434][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.822616][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.822774][   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)
[   94.822902][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.823064][   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)
[   94.823189][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.823313][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.823471][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.823653][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.823782][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.823911][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.824041][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.824169][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.824297][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.824422][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.824602][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.824730][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.824856][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.824988][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.825120][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.825248][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.825379][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.825557][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.825688][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.825819][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.825949][   T12]  kthread (kernel/kthread.c:436)
[   94.826049][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.826208][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.826335][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.826462][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.826676][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.826804][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.826933][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.829892][   T12] ------------[ cut here ]------------
| [   94.830035][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.830294][   T12] Modules linked in:
| [   94.830702][   T12] Tainted: [W]=WARN
[   94.830799][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.830960][   T12] Workqueue: netns cleanup_net
[   94.831099][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.831264][   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
[   94.831731][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   94.831894][   T12] RAX: 00000000ffffffa6 RBX: ff1100001118e040 RCX: 1ff4000000018eaf
[   94.832091][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001118e0fc
[   94.832280][   T12] RBP: ff1100000edac000 R08: 1fe2200002231c21 R09: ff11000001aed1d0
[   94.832471][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   94.832672][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   94.832873][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.833103][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.833267][   T12] CR2: 00007ff988877888 CR3: 000000000eb17006 CR4: 0000000000771ef0
[   94.833460][   T12] PKRU: 55555554
[   94.833568][   T12] Call Trace:
[   94.833665][   T12]  <TASK>
[   94.833733][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.833864][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.833995][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.834099][   T12]  netif_close_many (net/core/dev.c:1804)
[   94.834226][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   94.834356][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   94.834523][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.834654][   T12]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   94.834784][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   94.834948][   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)
[   94.835083][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.835241][   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)
[   94.835371][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.835504][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.835667][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   94.835801][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.835932][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.836067][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.836197][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.836329][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.836458][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.836656][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.836789][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.836920][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.837051][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.837180][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.837306][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.837437][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.837654][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.837782][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.837920][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.838057][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.838186][   T12]  kthread (kernel/kthread.c:436)
[   94.838283][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.838445][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.838578][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.838708][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.838866][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.838995][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.839128][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.841650][   T12] ------------[ cut here ]------------
| [   94.841785][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.842033][   T12] Modules linked in:
| [   94.842405][   T12] Tainted: [W]=WARN
[   94.842505][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.842660][   T12] Workqueue: netns cleanup_net
[   94.842788][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.842951][   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
[   94.843401][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.843563][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c510040 RCX: 1ff4000000018ed5
[   94.843749][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5100fc
[   94.843936][   T12] RBP: ff11000008bd4000 R08: 1fe22000018a2021 R09: ff11000001aed1d0
[   94.844125][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.844310][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.844497][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.844720][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.844871][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.845062][   T12] PKRU: 55555554
[   94.845155][   T12] Call Trace:
[   94.845250][   T12]  <TASK>
[   94.845314][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.845473][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.845633][   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)
[   94.845758][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.845880][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.846041][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.846168][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.846293][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.846418][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.846557][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.846683][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.846805][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.846931][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.847062][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.847187][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.847311][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.847437][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.847573][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.847700][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.847824][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.847954][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.848087][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.848211][   T12]  kthread (kernel/kthread.c:436)
[   94.848303][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.848457][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.848589][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.848718][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.848871][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.848995][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.849125][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.853275][   T12] ------------[ cut here ]------------
| [   94.853405][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.853655][   T12] Modules linked in:
| [   94.854035][   T12] Tainted: [W]=WARN
[   94.854128][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.854282][   T12] Workqueue: netns cleanup_net
[   94.854410][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.854577][   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
[   94.855020][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.855180][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be08200 RCX: 1ff4000000018ed5
[   94.855366][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be082bc
[   94.855626][   T12] RBP: ff1100000f961000 R08: 1fe22000017c1059 R09: ff11000001aed1d0
[   94.855810][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.855994][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.856186][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.856401][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.856644][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.856917][   T12] PKRU: 55555554
[   94.857010][   T12] Call Trace:
[   94.857106][   T12]  <TASK>
[   94.857170][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.857328][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.857480][   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)
[   94.857650][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.857773][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.857930][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.858060][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.858183][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.858306][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.858430][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.858612][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.858736][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.858862][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.858985][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.859112][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.859238][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.859361][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.859484][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.859661][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.859785][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.859913][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.860044][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.860169][   T12]  kthread (kernel/kthread.c:436)
[   94.860263][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.860417][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.860589][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.860713][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.860868][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.860992][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.861120][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.869519][   T12] ------------[ cut here ]------------
| [   94.869664][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.869915][   T12] Modules linked in:
| [   94.870299][   T12] Tainted: [W]=WARN
[   94.870392][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.870553][   T12] Workqueue: netns cleanup_net
[   94.870682][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.870841][   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
[   94.871292][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.871447][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be08c80 RCX: 1ff4000000018ed5
[   94.871637][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be08d3c
[   94.871820][   T12] RBP: ff1100000e17c000 R08: 1fe22000017c11a9 R09: ff11000001aed1d0
[   94.872001][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   94.872191][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.872376][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.872607][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.872763][   T12] CR2: 00007ff9884b1574 CR3: 0000000058f4d006 CR4: 0000000000771ef0
[   94.872949][   T12] PKRU: 55555554
[   94.873044][   T12] Call Trace:
[   94.873135][   T12]  <TASK>
[   94.873200][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.873358][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.873516][   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)
[   94.873650][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.873772][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.873931][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.874059][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.874182][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.874307][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.874431][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.874562][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.874684][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.874809][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.874932][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.875057][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.875183][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.875305][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.875429][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.875561][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.875684][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.875810][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.875939][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.876065][   T12]  kthread (kernel/kthread.c:436)
[   94.876157][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.876314][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.876437][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.876566][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.876718][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.876841][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.876965][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.880319][   T12] ------------[ cut here ]------------
| [   94.880517][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   94.880776][   T12] Modules linked in:
| [   94.881158][   T12] Tainted: [W]=WARN
[   94.881252][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.881402][   T12] Workqueue: netns cleanup_net
[   94.881536][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.881695][   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
[   94.882128][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.882279][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be098c0 RCX: 1ff4000000018ed5
[   94.882466][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be0997c
[   94.882656][   T12] RBP: ff1100000e1d9000 R08: 1fe22000017c1331 R09: ff11000001aed1d0
[   94.882838][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   94.883020][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.883207][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   94.883419][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.883574][   T12] CR2: 00007ff9884b1574 CR3: 0000000058f4d006 CR4: 0000000000771ef0
[   94.883763][   T12] PKRU: 55555554
[   94.883855][   T12] Call Trace:
[   94.883946][   T12]  <TASK>
[   94.884010][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.884171][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.884322][   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)
[   94.884445][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.884572][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.884730][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.884854][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.884976][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.885104][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.885227][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.885351][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.885472][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.885605][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.885728][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.885848][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.885973][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.886099][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.886225][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.886352][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.886475][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.886606][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.886732][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.886853][   T12]  kthread (kernel/kthread.c:436)
[   94.886946][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.887103][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.887226][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.887350][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.887514][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.887642][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.887764][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.890544][   T12] ------------[ cut here ]------------
| [   94.890673][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.890913][   T12] Modules linked in:
| [   94.891292][   T12] Tainted: [W]=WARN
[   94.891387][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.891544][   T12] Workqueue: netns cleanup_net
[   94.891673][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.891833][   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
[   94.892276][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.892431][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dbc0c80 RCX: 1ff4000000018ed5
[   94.892621][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbc0d3c
[   94.892806][   T12] RBP: ff1100000f451000 R08: 1fe2200001b781a9 R09: ff11000001aed1d0
[   94.892992][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.893178][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.893372][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.893602][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.893758][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.893945][   T12] PKRU: 55555554
[   94.894040][   T12] Call Trace:
[   94.894132][   T12]  <TASK>
[   94.894196][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.894352][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.894511][   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)
[   94.894634][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.894760][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.894919][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.895051][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.895174][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.895296][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.895420][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.895550][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.895672][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.895800][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.895923][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.896051][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.896176][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.896297][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.896421][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.896550][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.896675][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.896802][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.896928][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.897061][   T12]  kthread (kernel/kthread.c:436)
[   94.897154][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.897307][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.897430][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.897559][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.897713][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.897836][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.897960][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.900325][   T12] ------------[ cut here ]------------
| [   94.900459][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.900708][   T12] Modules linked in:
| [   94.901087][   T12] Tainted: [W]=WARN
[   94.901182][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.901335][   T12] Workqueue: netns cleanup_net
[   94.901466][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.901633][   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
[   94.902076][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.902231][   T12] RAX: 00000000ffffffa6 RBX: ff1100001118e740 RCX: 1ff4000000018ed5
[   94.902416][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001118e7fc
[   94.902609][   T12] RBP: ff11000008bb9000 R08: 1fe2200002231d01 R09: ff11000001aed1d0
[   94.902793][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.902981][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.903173][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.903388][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.903545][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.903731][   T12] PKRU: 55555554
[   94.903824][   T12] Call Trace:
[   94.903917][   T12]  <TASK>
[   94.903980][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.904144][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.904297][   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)
[   94.904425][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.904559][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.904718][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.904843][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.904966][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.905099][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.905229][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.905359][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.905492][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.905626][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.905750][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.905874][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.906001][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.906130][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.906256][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.906383][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.906513][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.906651][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.906779][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.906903][   T12]  kthread (kernel/kthread.c:436)
[   94.906998][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.907160][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.907284][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.907408][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.907571][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.907695][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.907820][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.911511][   T12] ------------[ cut here ]------------
| [   94.911645][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.911893][   T12] Modules linked in:
| [   94.912278][   T12] Tainted: [W]=WARN
[   94.912374][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.912536][   T12] Workqueue: netns cleanup_net
[   94.912664][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.912824][   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
[   94.913270][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   94.913425][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c511000 RCX: 1ff4000000018ed5
[   94.913615][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5110bc
[   94.913798][   T12] RBP: ff1100000edac000 R08: 1fe22000018a2219 R09: ff11000001aed1d0
[   94.913982][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.914173][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.914357][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.914575][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.914731][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.914919][   T12] PKRU: 55555554
[   94.915010][   T12] Call Trace:
[   94.915109][   T12]  <TASK>
[   94.915174][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.915331][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.915484][   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)
[   94.915612][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.915736][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   94.915894][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   94.916018][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   94.916147][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   94.916271][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   94.916405][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   94.916542][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.916665][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.916794][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.916917][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.917043][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.917166][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.917288][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.917412][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.917544][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.917669][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.917797][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.917925][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.918053][   T12]  kthread (kernel/kthread.c:436)
[   94.918146][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.918298][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.918422][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.918552][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.918707][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.918830][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.918954][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.960668][   T12] ------------[ cut here ]------------
| [   94.960807][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.961056][   T12] Modules linked in:
| [   94.961427][   T12] Tainted: [W]=WARN
[   94.961529][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.961685][   T12] Workqueue: netns cleanup_net
[   94.961810][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.961969][   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
[   94.962402][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.962564][   T12] RAX: 00000000ffffffa6 RBX: ff1100001113ee40 RCX: 1ff4000000018eed
[   94.962745][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001113eefc
[   94.962923][   T12] RBP: ff1100000eab1000 R08: 1fe2200002227de1 R09: ff11000001aed1d0
[   94.963117][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.963296][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.963477][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.963693][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.963844][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.964030][   T12] PKRU: 55555554
[   94.964122][   T12] Call Trace:
[   94.964219][   T12]  <TASK>
[   94.964287][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.964444][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.964600][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.964722][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.964846][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.964966][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.965094][   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)
[   94.965217][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.965341][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.965463][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.965594][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.965715][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.965837][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.965961][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.966090][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.966213][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.966339][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.966460][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.966592][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.966718][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.966839][   T12]  kthread (kernel/kthread.c:436)
[   94.966931][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.967086][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.967208][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.967328][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.967479][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.967602][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.967723][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.969895][   T12] ------------[ cut here ]------------
| [   94.970016][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.970262][   T12] Modules linked in:
| [   94.970631][   T12] Tainted: [W]=WARN
[   94.970722][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.970873][   T12] Workqueue: netns cleanup_net
[   94.970999][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.971159][   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
[   94.971592][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.971743][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a2b4900 RCX: 1ff4000000018eed
[   94.971932][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2b49bc
[   94.972116][   T12] RBP: ff11000009cbc000 R08: 1fe2200001456939 R09: ff11000001aed1d0
[   94.972301][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.972480][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.972665][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.972876][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.973031][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.973212][   T12] PKRU: 55555554
[   94.973301][   T12] Call Trace:
[   94.973396][   T12]  <TASK>
[   94.973459][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.973634][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.973784][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.973915][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.974039][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.974159][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.974281][   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)
[   94.974404][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.974536][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.974656][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.974779][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.974899][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.975020][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.975147][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.975267][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.975390][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.975519][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.975641][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.975767][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.975894][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.976017][   T12]  kthread (kernel/kthread.c:436)
[   94.976113][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.976264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.976388][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.976514][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.976664][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.976785][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.976907][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.979083][   T12] ------------[ cut here ]------------
| [   94.979208][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.979448][   T12] Modules linked in:
| [   94.979823][   T12] Tainted: [W]=WARN
[   94.979915][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.980073][   T12] Workqueue: netns cleanup_net
[   94.980200][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.980357][   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
[   94.980796][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.980955][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b035c40 RCX: 1ff4000000018eed
[   94.981148][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b035cfc
[   94.981327][   T12] RBP: ff1100000eb21000 R08: 1fe2200001606ba1 R09: ff11000001aed1d0
[   94.981513][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.981693][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.981877][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.982095][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.982247][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.982430][   T12] PKRU: 55555554
[   94.982530][   T12] Call Trace:
[   94.982619][   T12]  <TASK>
[   94.982682][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.982838][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.982992][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.983122][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.983245][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.983366][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.983490][   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)
[   94.983617][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.983737][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.983855][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.983980][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.984110][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.984229][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.984352][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.984473][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.984602][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.984728][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.984849][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.984976][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.985107][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.985229][   T12]  kthread (kernel/kthread.c:436)
[   94.985321][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.985471][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.985599][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.985721][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.985874][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.985995][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.986126][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.988115][   T12] ------------[ cut here ]------------
| [   94.988250][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.988488][   T12] Modules linked in:
| [   94.989128][   T12] Tainted: [W]=WARN
[   94.989220][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.989372][   T12] Workqueue: netns cleanup_net
[   94.989550][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.989708][   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
[   94.990147][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.990299][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dbc1c40 RCX: 1ff4000000018eed
[   94.990478][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbc1cfc
[   94.990663][   T12] RBP: ff1100000ed29000 R08: 1fe2200001b783a1 R09: ff11000001aed1d0
[   94.990842][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   94.991033][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.991214][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   94.991446][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.991605][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   94.991790][   T12] PKRU: 55555554
[   94.991881][   T12] Call Trace:
[   94.991971][   T12]  <TASK>
[   94.992037][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   94.992193][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   94.992345][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   94.992466][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   94.992595][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.992717][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   94.992838][   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)
[   94.992962][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   94.993088][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   94.993214][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.993338][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   94.993460][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   94.993586][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   94.993710][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.993831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.993956][   T12]  process_one_work (kernel/workqueue.c:3314)
[   94.994085][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.994207][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.994332][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.994459][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.994588][   T12]  kthread (kernel/kthread.c:436)
[   94.994681][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.994830][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.994951][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.995076][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.995236][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.995357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.995481][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.997554][   T12] ------------[ cut here ]------------
| [   94.997678][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   94.997916][   T12] Modules linked in:
| [   94.998306][   T12] Tainted: [W]=WARN
[   94.998397][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.998890][   T12] Workqueue: netns cleanup_net
[   94.999019][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.999182][   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
[   94.999662][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   94.999813][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dbc18c0 RCX: 1ff4000000018eed
[   94.999994][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbc197c
[   95.000179][   T12] RBP: ff1100000cdf1000 R08: 1fe2200001b78331 R09: ff11000001aed1d0
[   95.000357][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   95.000584][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.000814][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.001028][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.001181][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   95.001363][   T12] PKRU: 55555554
[   95.001454][   T12] Call Trace:
[   95.001589][   T12]  <TASK>
[   95.001654][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.001809][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.001958][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.002084][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.002206][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.002326][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.002447][   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)
[   95.002616][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.002738][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.002859][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.002992][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.003121][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.003245][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.003366][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.003486][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.003656][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.003783][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.003903][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.004035][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.004162][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.004281][   T12]  kthread (kernel/kthread.c:436)
[   95.004373][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.004573][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.004695][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.004816][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.004967][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.005095][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.005217][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.007814][   T12] ------------[ cut here ]------------
| [   95.007949][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   95.008194][   T12] Modules linked in:
| [   95.008573][   T12] Tainted: [W]=WARN
[   95.008664][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.008817][   T12] Workqueue: netns cleanup_net
[   95.008943][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.009105][   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
[   95.009542][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.009694][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dbc1380 RCX: 1ff4000000018eed
[   95.009884][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dbc143c
[   95.010070][   T12] RBP: ff1100000bc49000 R08: 1fe2200001b78289 R09: ff11000001aed1d0
[   95.010250][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   95.010430][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.010623][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   95.010835][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.010995][   T12] CR2: 000055feb8f512b8 CR3: 0000000004b67006 CR4: 0000000000771ef0
[   95.011181][   T12] PKRU: 55555554
[   95.011271][   T12] Call Trace:
[   95.011361][   T12]  <TASK>
[   95.011426][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.011587][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.011741][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.011864][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.011986][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.012112][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.012234][   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)
[   95.012355][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.012478][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.012602][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.012728][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.012849][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.012979][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.013112][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.013233][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.013355][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.013479][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.013603][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.013730][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.013855][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.013975][   T12]  kthread (kernel/kthread.c:436)
[   95.014069][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.014218][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.014337][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.014458][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.014615][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.014735][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.014856][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.017031][   T12] ------------[ cut here ]------------
| [   95.017155][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   95.017394][   T12] Modules linked in:
| [   95.017808][   T12] Tainted: [W]=WARN
[   95.017900][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.018059][   T12] Workqueue: netns cleanup_net
[   95.018185][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.018341][   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
[   95.018775][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.018927][   T12] RAX: 00000000ffffffa6 RBX: ff110000057fd540 RCX: 1ff4000000018eed
[   95.019112][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057fd5fc
[   95.019292][   T12] RBP: ff1100000e3c4000 R08: 1fe2200000affac1 R09: ff11000001aed1d0
[   95.019472][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   95.019659][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.019839][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   95.020053][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.020203][   T12] CR2: 000055feb8f512b8 CR3: 0000000004b67006 CR4: 0000000000771ef0
[   95.020386][   T12] PKRU: 55555554
[   95.020478][   T12] Call Trace:
[   95.020571][   T12]  <TASK>
[   95.020634][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.020787][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.020935][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.021060][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.021182][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.021302][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.021425][   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)
[   95.021554][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.021676][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.021796][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.021920][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.022046][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.022167][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.022289][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.022412][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.022539][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.022665][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.022786][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.022911][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.023041][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.023162][   T12]  kthread (kernel/kthread.c:436)
[   95.023255][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.023405][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.023532][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.023654][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.023807][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.023927][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.024052][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.035773][   T12] ------------[ cut here ]------------
| [   95.035906][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   95.036153][   T12] Modules linked in:
| [   95.037038][   T12] Tainted: [W]=WARN
[   95.037145][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.037309][   T12] Workqueue: netns cleanup_net
[   95.037437][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.037691][   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
[   95.038134][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.038284][   T12] RAX: 00000000ffffffa6 RBX: ff110000057fd380 RCX: 1ff4000000018eed
[   95.038461][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057fd43c
[   95.038645][   T12] RBP: ff11000009bb1000 R08: 1fe2200000affa89 R09: ff11000001aed1d0
[   95.038824][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   95.039001][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.039197][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   95.039405][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.039562][   T12] CR2: 000055feb8f512b8 CR3: 0000000004b67006 CR4: 0000000000771ef0
[   95.039741][   T12] PKRU: 55555554
[   95.039829][   T12] Call Trace:
[   95.039918][   T12]  <TASK>
[   95.039981][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.040138][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.040286][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.040408][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.040534][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.040653][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.040774][   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)
[   95.040894][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.041015][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.041138][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.041262][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.041383][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.041506][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.041627][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.041746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.041868][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.041996][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.042119][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.042244][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.042368][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.042488][   T12]  kthread (kernel/kthread.c:436)
[   95.042584][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.042732][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.042852][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.042973][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.043129][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.043248][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.043367][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.045683][   T12] ------------[ cut here ]------------
| [   95.045817][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   95.046059][   T12] Modules linked in:
| [   95.046431][   T12] Tainted: [W]=WARN
[   95.046533][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.046686][   T12] Workqueue: netns cleanup_net
[   95.046812][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.046968][   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
[   95.047405][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.047566][   T12] RAX: 00000000ffffffa6 RBX: ff110000057fc3c0 RCX: 1ff4000000018eed
[   95.047747][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057fc47c
[   95.047930][   T12] RBP: ff1100000e879000 R08: 1fe2200000aff891 R09: ff11000001aed1d0
[   95.048114][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   95.048300][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.048482][   T12] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   95.048698][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.048850][   T12] CR2: 000055d2bbbfcd5c CR3: 0000000011290004 CR4: 0000000000771ef0
[   95.049037][   T12] PKRU: 55555554
[   95.049127][   T12] Call Trace:
[   95.049243][   T12]  <TASK>
[   95.049306][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.049460][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.049620][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.049742][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.049862][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.049984][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.050111][   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)
[   95.050233][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.050355][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.050477][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.050604][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.050725][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.050850][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.050974][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.051099][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.051231][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.051361][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.051485][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.051616][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.051741][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.051864][   T12]  kthread (kernel/kthread.c:436)
[   95.051955][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.052108][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.052228][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.052354][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.052516][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.052636][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.052759][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.054775][   T12] ------------[ cut here ]------------
| [   95.054898][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   95.055139][   T12] Modules linked in:
| [   95.055506][   T12] Tainted: [W]=WARN
[   95.055597][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.055747][   T12] Workqueue: netns cleanup_net
[   95.055873][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.056037][   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
[   95.056470][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.056626][   T12] RAX: 00000000ffffffa6 RBX: ff110000057fcac0 RCX: 1ff4000000018eed
[   95.056808][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057fcb7c
[   95.056984][   T12] RBP: ff1100000fee9000 R08: 1fe2200000aff971 R09: ff11000001aed1d0
[   95.057166][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   95.057344][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.057535][   T12] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   95.057749][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.057898][   T12] CR2: 000055d2bbbfcd5c CR3: 0000000011290004 CR4: 0000000000771ef0
[   95.058084][   T12] PKRU: 55555554
[   95.058173][   T12] Call Trace:
[   95.058261][   T12]  <TASK>
[   95.058327][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.058482][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.058635][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.058755][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.058876][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.058996][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.059126][   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)
[   95.059250][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.059374][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.059494][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.059623][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.059744][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.059864][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.059985][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.060111][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.060237][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.060361][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.060479][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.060606][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.060731][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.060850][   T12]  kthread (kernel/kthread.c:436)
[   95.060942][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.061098][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.061218][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.061337][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.061488][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.061615][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.061735][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.063896][   T12] ------------[ cut here ]------------
| [   95.064017][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   95.064259][   T12] Modules linked in:
| [   95.065060][   T12] Tainted: [W]=WARN
[   95.065156][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.065310][   T12] Workqueue: netns cleanup_net
[   95.065435][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.065641][   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
[   95.066074][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.066226][   T12] RAX: 00000000ffffffa6 RBX: ff110000057fc200 RCX: 1ff4000000018eed
[   95.066414][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057fc2bc
[   95.066641][   T12] RBP: ff1100000a4fc000 R08: 1fe2200000aff859 R09: ff11000001aed1d0
[   95.066864][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   95.067049][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.067230][   T12] FS:  0000000000000000(0000) GS:ff110000dba47000(0000) knlGS:0000000000000000
[   95.067444][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.067639][   T12] CR2: 000055d2bbbfcd5c CR3: 0000000011290004 CR4: 0000000000771ef0
[   95.067821][   T12] PKRU: 55555554
[   95.067912][   T12] Call Trace:
[   95.068002][   T12]  <TASK>
[   95.068071][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.068225][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.068374][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.068494][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.068660][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.068782][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.068904][   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)
[   95.069028][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.069165][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.069283][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.069408][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.069573][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.069693][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.069815][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.069934][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.070060][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.070184][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.070304][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.070429][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.070599][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.070723][   T12]  kthread (kernel/kthread.c:436)
[   95.070814][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.070964][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.071093][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.071213][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.071366][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.071486][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.071653][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.073877][   T12] ------------[ cut here ]------------
| [   95.074006][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   95.074253][   T12] Modules linked in:
| [   95.074629][   T12] Tainted: [W]=WARN
[   95.074723][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.074873][   T12] Workqueue: netns cleanup_net
[   95.074998][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.075161][   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
[   95.075600][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.075752][   T12] RAX: 00000000ffffffa6 RBX: ff1100001118fc40 RCX: 1ff4000000018eed
[   95.075933][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001118fcfc
[   95.076118][   T12] RBP: ff1100000a43c000 R08: 1fe2200002231fa1 R09: ff11000001aed1d0
[   95.076301][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   95.076480][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.076669][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.076880][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.077036][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   95.077220][   T12] PKRU: 55555554
[   95.077310][   T12] Call Trace:
[   95.077401][   T12]  <TASK>
[   95.077464][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.077633][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.077787][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.077909][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.078037][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.078160][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.078282][   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)
[   95.078406][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.078536][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.078657][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.078780][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.078901][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.079033][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.079161][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.079281][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.079405][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.079537][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.079659][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.079787][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.079915][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.080042][   T12]  kthread (kernel/kthread.c:436)
[   95.080134][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.080284][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.080407][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.080535][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.080687][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.080810][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.080933][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.083118][   T12] ------------[ cut here ]------------
| [   95.083244][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   95.083486][   T12] Modules linked in:
| [   95.083859][   T12] Tainted: [W]=WARN
[   95.083951][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.084109][   T12] Workqueue: netns cleanup_net
[   95.084236][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.084393][   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
[   95.084830][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.084983][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b035700 RCX: 1ff4000000018eed
[   95.085170][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b0357bc
[   95.085350][   T12] RBP: ff1100000b551000 R08: 1fe2200001606af9 R09: ff11000001aed1d0
[   95.085538][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   95.085717][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.085902][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.086118][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.086269][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   95.086451][   T12] PKRU: 55555554
[   95.086549][   T12] Call Trace:
[   95.086641][   T12]  <TASK>
[   95.086704][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.086859][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.087009][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.087138][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.087261][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.087381][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.087508][   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)
[   95.087632][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.087772][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.087892][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.088017][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.088145][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.088265][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.088393][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.088519][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.088644][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.088769][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.088892][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.089018][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.089149][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.089270][   T12]  kthread (kernel/kthread.c:436)
[   95.089363][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.089523][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.089645][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.089769][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.089920][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.090046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.090167][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.092143][   T12] ------------[ cut here ]------------
| [   95.092264][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   95.093329][   T12] Modules linked in:
| [   95.093756][   T12] Tainted: [W]=WARN
[   95.093847][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.093998][   T12] Workqueue: netns cleanup_net
[   95.094133][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.094290][   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
[   95.094772][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.094926][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b0358c0 RCX: 1ff4000000018eed
[   95.095115][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b03597c
[   95.095296][   T12] RBP: ff11000005ee9000 R08: 1fe2200001606b31 R09: ff11000001aed1d0
[   95.095476][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   95.095702][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.095885][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.096109][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.096258][   T12] CR2: 00007ff988877888 CR3: 0000000058f4d002 CR4: 0000000000771ef0
[   95.096440][   T12] PKRU: 55555554
[   95.096577][   T12] Call Trace:
[   95.096666][   T12]  <TASK>
[   95.096733][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.096888][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.097046][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.097168][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.097289][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.097410][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.097581][   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)
[   95.097705][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.097828][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.097953][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.098083][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.098204][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.098330][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.098452][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.098619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.098742][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.098866][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.098987][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.099120][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.099246][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.099365][   T12]  kthread (kernel/kthread.c:436)
[   95.099467][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.099664][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.099785][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.099907][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.100063][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.100184][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.100305][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.102434][   T12] ------------[ cut here ]------------
| [   95.102576][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   95.102815][   T12] Modules linked in:
| [   95.103189][   T12] Tainted: [W]=WARN
[   95.103279][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.103430][   T12] Workqueue: netns cleanup_net
[   95.103564][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.103723][   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
[   95.104159][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.104312][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b035a80 RCX: 1ff4000000018eed
[   95.104493][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b035b3c
[   95.104682][   T12] RBP: ff1100000a721000 R08: 1fe2200001606b69 R09: ff11000001aed1d0
[   95.104864][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   95.105054][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.105244][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   95.105458][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.105624][   T12] CR2: 000055feb8f512b8 CR3: 0000000004b67006 CR4: 0000000000771ef0
[   95.105813][   T12] PKRU: 55555554
[   95.105903][   T12] Call Trace:
[   95.105993][   T12]  <TASK>
[   95.106071][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.106224][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.106373][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.106496][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.106626][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.106745][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.106866][   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)
[   95.106988][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.107118][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.107237][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.107360][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.107481][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.107606][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.107737][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.107864][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.107985][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.108114][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.108234][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.108358][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.108485][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.108613][   T12]  kthread (kernel/kthread.c:436)
[   95.108704][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.108853][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.108973][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.109097][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.109253][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.109375][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.109496][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.130793][   T12] ------------[ cut here ]------------
| [   95.131008][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   95.131286][   T12] Modules linked in:
| [   95.131678][   T12] Tainted: [W]=WARN
[   95.131774][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.131934][   T12] Workqueue: netns cleanup_net
[   95.132068][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.132234][   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
[   95.132698][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   95.132862][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b035380 RCX: 1ff4000000018eaf
[   95.133057][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b03543c
[   95.133244][   T12] RBP: ff1100000e9f1000 R08: 1fe2200001606a89 R09: ff11000001aed1d0
[   95.133432][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   95.133630][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a57c000
[   95.133818][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   95.134048][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.134206][   T12] CR2: 00007f29b8aef000 CR3: 0000000058f4d001 CR4: 0000000000771ef0
[   95.134399][   T12] PKRU: 55555554
[   95.134493][   T12] Call Trace:
[   95.134592][   T12]  <TASK>
[   95.134659][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   95.134788][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   95.134887][   T12]  netif_close_many (net/core/dev.c:1804)
[   95.135015][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.135147][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.135271][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.135397][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   95.135531][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   95.135689][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   95.135846][   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)
[   95.135972][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.136104][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   95.136230][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.136390][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.136525][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   95.136652][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   95.136778][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.136904][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   95.137036][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   95.137164][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.137289][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.137416][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.137598][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.137724][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.137851][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.137978][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.138114][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.138242][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.138367][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.138495][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.138743][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.138869][   T12]  kthread (kernel/kthread.c:436)
[   95.138963][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.139129][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.139254][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.139380][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.139587][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.139712][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.139839][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.142285][   T12] ------------[ cut here ]------------
| [   95.142479][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   95.142743][   T12] Modules linked in:
| [   95.143133][   T12] Tainted: [W]=WARN
[   95.143228][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.143385][   T12] Workqueue: netns cleanup_net
[   95.143524][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.143689][   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
[   95.144140][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   95.144300][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b034580 RCX: 1ff4000000018eaf
[   95.144487][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b03463c
[   95.144681][   T12] RBP: ff1100000a57c000 R08: 1fe22000016068c9 R09: ff11000001aed1d0
[   95.144868][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   95.145062][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f449000
[   95.145250][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   95.145469][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.145632][   T12] CR2: 00007f29b8aef000 CR3: 0000000058f4d001 CR4: 0000000000771ef0
[   95.145819][   T12] PKRU: 55555554
[   95.145913][   T12] Call Trace:
[   95.146007][   T12]  <TASK>
[   95.146078][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   95.146206][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   95.146333][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   95.146427][   T12]  netif_close_many (net/core/dev.c:1804)
[   95.146563][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.146689][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.146813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.146940][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   95.147069][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   95.147236][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   95.147394][   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)
[   95.147525][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.147650][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   95.147775][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.147937][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.148069][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   95.148199][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   95.148325][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.148450][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   95.148583][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   95.148711][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.148836][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.148965][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.149098][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.149221][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.149347][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.149470][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.149682][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.149811][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.149936][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.150070][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.150202][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.150327][   T12]  kthread (kernel/kthread.c:436)
[   95.150421][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.150629][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.150755][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.150881][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.151043][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.151176][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.151302][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.153374][   T12] ------------[ cut here ]------------
| [   95.153530][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   95.153786][   T12] Modules linked in:
| [   95.154182][   T12] Tainted: [W]=WARN
[   95.154279][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.154449][   T12] Workqueue: netns cleanup_net
[   95.154591][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.154761][   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
[   95.155232][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   95.155396][   T12] RAX: 00000000ffffffa6 RBX: ff11000009cfc900 RCX: 1ff4000000018eaf
[   95.155600][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009cfc9bc
[   95.155790][   T12] RBP: ff1100000f449000 R08: 1fe220000139f939 R09: ff11000001aed1d0
[   95.155980][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   95.156182][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   95.156379][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.156608][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.156768][   T12] CR2: 00007fb4526fd000 CR3: 000000000eb17002 CR4: 0000000000771ef0
[   95.156963][   T12] PKRU: 55555554
[   95.157066][   T12] Call Trace:
[   95.157162][   T12]  <TASK>
[   95.157229][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   95.157357][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   95.157487][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   95.157592][   T12]  netif_close_many (net/core/dev.c:1804)
[   95.157719][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.157848][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.157974][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.158110][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   95.158236][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   95.158400][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   95.158648][   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)
[   95.158823][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.158953][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   95.159085][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.159253][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.159383][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   95.159560][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   95.159688][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.159822][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   95.159952][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   95.160088][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.160216][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.160347][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.160476][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.160652][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.160783][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.160913][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.161046][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.161177][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.161304][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.161435][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.161618][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.161747][   T12]  kthread (kernel/kthread.c:436)
[   95.161844][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.162003][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.162134][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.162262][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.162419][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.162594][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.162724][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.166038][   T12] ------------[ cut here ]------------
| [   95.166169][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   95.166411][   T12] Modules linked in:
| [   95.166795][   T12] Tainted: [W]=WARN
[   95.166887][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.167055][   T12] Workqueue: netns cleanup_net
[   95.167183][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.167342][   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
[   95.167786][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   95.167942][   T12] RAX: 00000000ffffffa6 RBX: ff11000009cfc040 RCX: 1ff4000000018ed5
[   95.168131][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009cfc0fc
[   95.168315][   T12] RBP: ff1100000e9f1000 R08: 1fe220000139f821 R09: ff11000001aed1d0
[   95.168496][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   95.168684][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.168870][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.169093][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.169246][   T12] CR2: 00007fb4526fd000 CR3: 000000000eb17002 CR4: 0000000000771ef0
[   95.169431][   T12] PKRU: 55555554
[   95.169530][   T12] Call Trace:
[   95.169624][   T12]  <TASK>
[   95.169688][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.169844][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.170002][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.170132][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   95.170258][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   95.170380][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.170508][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   95.170635][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   95.170759][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.170880][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.171005][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.171131][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.171259][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.171387][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.171517][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.171642][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.171770][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.171893][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.172021][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.172153][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.172274][   T12]  kthread (kernel/kthread.c:436)
[   95.172366][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.172524][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.172646][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.172769][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.172926][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.173054][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.173178][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.176660][   T12] ------------[ cut here ]------------
| [   95.176789][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   95.177038][   T12] Modules linked in:
| [   95.177413][   T12] Tainted: [W]=WARN
[   95.177512][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.177668][   T12] Workqueue: netns cleanup_net
[   95.177796][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.177963][   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
[   95.178403][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   95.178563][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce28740 RCX: 1ff4000000018ed5
[   95.178749][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce287fc
[   95.178932][   T12] RBP: ff1100000a57c000 R08: 1fe22000019c5101 R09: ff11000001aed1d0
[   95.179120][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   95.179301][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.179487][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.179710][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.179866][   T12] CR2: 00007fb4526fd000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   95.180058][   T12] PKRU: 55555554
[   95.180151][   T12] Call Trace:
[   95.180247][   T12]  <TASK>
[   95.180311][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.180470][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.180634][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.180759][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   95.180883][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   95.181009][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.181138][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   95.181262][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   95.181388][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.181513][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.181641][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.181765][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.181888][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.182012][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.182143][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.182272][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.182400][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.182556][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.182685][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.182812][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.182936][   T12]  kthread (kernel/kthread.c:436)
[   95.183033][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.183187][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.183313][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.183437][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.183593][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.183715][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.183839][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.186220][   T12] ------------[ cut here ]------------
| [   95.186343][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   95.187098][   T12] Modules linked in:
| [   95.187530][   T12] Tainted: [W]=WARN
[   95.187643][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.187796][   T12] Workqueue: netns cleanup_net
[   95.187923][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.188085][   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
[   95.188570][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   95.188739][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce28200 RCX: 1ff4000000018ed5
[   95.188922][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce282bc
[   95.189112][   T12] RBP: ff1100000f449000 R08: 1fe22000019c5059 R09: ff11000001aed1d0
[   95.189298][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   95.189479][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.189709][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.189925][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.190081][   T12] CR2: 00007fb4526fd000 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   95.190264][   T12] PKRU: 55555554
[   95.190355][   T12] Call Trace:
[   95.190446][   T12]  <TASK>
[   95.190560][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.190718][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.190874][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.191000][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   95.191130][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   95.191253][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.191375][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   95.191498][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   95.191667][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.191788][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.191914][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.192039][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.192163][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.192286][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.192435][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.192608][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.192735][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.192859][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.192986][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.193123][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.193248][   T12]  kthread (kernel/kthread.c:436)
[   95.193342][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.193496][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.193667][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.193793][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.193948][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.194075][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.194197][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.252268][   T12] ------------[ cut here ]------------
| [   95.252421][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   95.252680][   T12] Modules linked in:
| [   95.253062][   T12] Tainted: [W]=WARN
[   95.253154][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.253307][   T12] Workqueue: netns cleanup_net
[   95.253434][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.253600][   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
[   95.254043][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.254197][   T12] RAX: 00000000ffffffa6 RBX: ff11000010211a80 RCX: 1ff4000000018eed
[   95.254383][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010211b3c
[   95.254582][   T12] RBP: ff1100000f594000 R08: 1fe2200002042369 R09: ff11000001aed1d0
[   95.254767][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   95.254947][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.255139][   T12] FS:  0000000000000000(0000) GS:ff110000db947000(0000) knlGS:0000000000000000
[   95.255351][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.255510][   T12] CR2: 00007fb452344574 CR3: 0000000058f4d001 CR4: 0000000000771ef0
[   95.255698][   T12] PKRU: 55555554
[   95.255788][   T12] Call Trace:
[   95.255878][   T12]  <TASK>
[   95.255941][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.256104][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.256259][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.256382][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.256511][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.256631][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.256752][   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)
[   95.256875][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.257011][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.257138][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.257262][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.257382][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.257508][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.257632][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.257752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.257919][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.258076][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.258199][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.258325][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.258449][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.258583][   T12]  kthread (kernel/kthread.c:436)
[   95.258674][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.258823][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.258944][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.259070][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.259220][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.259350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.259473][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.262462][   T12] ------------[ cut here ]------------
| [   95.262994][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   95.263245][   T12] Modules linked in:
| [   95.263661][   T12] Tainted: [W]=WARN
[   95.263753][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.263903][   T12] Workqueue: netns cleanup_net
[   95.264034][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.264192][   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
[   95.264627][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.264785][   T12] RAX: 00000000ffffffa6 RBX: ff11000010211000 RCX: 1ff4000000018eed
[   95.264965][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102110bc
[   95.265151][   T12] RBP: ff1100000b549000 R08: 1fe2200002042219 R09: ff11000001aed1d0
[   95.265331][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   95.265519][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.265701][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.265913][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.266070][   T12] CR2: 00007f3e1bdcc574 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   95.266253][   T12] PKRU: 55555554
[   95.266348][   T12] Call Trace:
[   95.266439][   T12]  <TASK>
[   95.266510][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.266664][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.266815][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.266942][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.267067][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.267198][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.267319][   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)
[   95.267442][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.267572][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.267693][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.267816][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.267948][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.268071][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.268193][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.268315][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.268438][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.268611][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.268732][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.268856][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.268981][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.269107][   T12]  kthread (kernel/kthread.c:436)
[   95.269197][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.269348][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.269476][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.269612][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.269763][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.269883][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.270005][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.272217][   T12] ------------[ cut here ]------------
| [   95.272342][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   95.272587][   T12] Modules linked in:
| [   95.272954][   T12] Tainted: [W]=WARN
[   95.273051][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.273202][   T12] Workqueue: netns cleanup_net
[   95.273327][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.273489][   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
[   95.273925][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.274085][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c1051c0 RCX: 1ff4000000018eed
[   95.274263][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c10527c
[   95.274444][   T12] RBP: ff1100000f5c4000 R08: 1fe2200001820a51 R09: ff11000001aed1d0
[   95.274629][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   95.274807][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.274988][   T12] FS:  0000000000000000(0000) GS:ff110000db8c7000(0000) knlGS:0000000000000000
[   95.275205][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.275355][   T12] CR2: 00007f3e1bdcc574 CR3: 0000000058f4d003 CR4: 0000000000771ef0
[   95.275540][   T12] PKRU: 55555554
[   95.275629][   T12] Call Trace:
[   95.275719][   T12]  <TASK>
[   95.275782][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.275936][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.276094][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.276215][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.276336][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.276465][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.276591][   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)
[   95.276712][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.276834][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.276954][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.277087][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.277208][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.277327][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.277448][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.277571][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.277691][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.277816][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.277937][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.278068][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.278193][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.278314][   T12]  kthread (kernel/kthread.c:436)
[   95.278406][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.278563][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.278684][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.278805][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.278957][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.279083][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.279206][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.289466][   T12] ------------[ cut here ]------------
| [   95.289670][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   95.290033][   T12] Modules linked in:
| [   95.290493][   T12] Tainted: [W]=WARN
[   95.290645][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.290844][   T12] Workqueue: netns cleanup_net
[   95.291020][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.291235][   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
[   95.291779][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.292032][   T12] RAX: 00000000ffffffa6 RBX: ff1100001039dc40 RCX: 1ff4000000018eed
[   95.292328][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001039dcfc
[   95.292641][   T12] RBP: ff1100000ec4c000 R08: 1fe2200002073ba1 R09: ff11000001aed1d0
[   95.292943][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   95.293244][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.293530][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   95.293815][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.294020][   T12] CR2: 00007f035e52c9dc CR3: 0000000058f4d005 CR4: 0000000000771ef0
[   95.294260][   T12] PKRU: 55555554
[   95.294396][   T12] Call Trace:
[   95.294566][   T12]  <TASK>
[   95.294675][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.294877][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.295081][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.295251][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.295424][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.295605][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.295774][   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)
[   95.295946][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.296145][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.296316][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.296487][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.296671][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.296849][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.297022][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.297219][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.297411][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.297627][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.297831][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.298051][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.298244][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.298415][   T12]  kthread (kernel/kthread.c:436)
[   95.298566][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.298765][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.298963][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.299147][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.299347][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.299530][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.299700][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.302171][   T12] ------------[ cut here ]------------
| [   95.302342][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   95.302941][   T12] Modules linked in:
| [   95.303413][   T12] Tainted: [W]=WARN
[   95.303564][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.303760][   T12] Workqueue: netns cleanup_net
[   95.303932][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.304145][   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
[   95.304627][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   95.304828][   T12] RAX: 00000000ffffffa6 RBX: ff1100001039d000 RCX: 1ff4000000018eed
[   95.305058][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001039d0bc
[   95.305283][   T12] RBP: ff110000100d4000 R08: 1fe2200002073a19 R09: ff11000001aed1d0
[   95.305521][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   95.305750][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.305976][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   95.306242][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.306438][   T12] CR2: 00007f035e52c9dc CR3: 0000000058f4d005 CR4: 0000000000771ef0
[   95.306680][   T12] PKRU: 55555554
[   95.306817][   T12] Call Trace:
[   95.306953][   T12]  <TASK>
[   95.307070][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.307272][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.307467][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   95.307645][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   95.307817][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.307985][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   95.308164][   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)
[   95.308334][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   95.308519][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.308686][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.308858][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.309034][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.309201][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.309374][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.309552][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.309722][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.309895][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.310071][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.310244][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.310420][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.310600][   T12]  kthread (kernel/kthread.c:436)
[   95.310741][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.310938][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.311116][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.311284][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.311480][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.311661][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.311830][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.331912][   T12] ------------[ cut here ]------------
| [   95.332131][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   95.332429][   T12] Modules linked in:
| [   95.332919][   T12] Tainted: [W]=WARN
[   95.333070][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.333279][   T12] Workqueue: netns cleanup_net
[   95.333457][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.333942][   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
[   95.334493][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   95.334810][   T12] RAX: 00000000ffffffa6 RBX: ff1100001039da80 RCX: 1ff4000000018eaf
[   95.335104][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001039db3c
[   95.335391][   T12] RBP: ff1100000f9f9000 R08: 1fe2200002073b69 R09: ff11000001aed1d0
[   95.335687][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   95.335980][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   95.336277][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   95.336604][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.336857][   T12] CR2: 00007f035e52c9dc CR3: 0000000058f4d005 CR4: 0000000000771ef0
[   95.337132][   T12] PKRU: 55555554
[   95.337274][   T12] Call Trace:
[   95.337418][   T12]  <TASK>
[   95.337542][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   95.337720][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   95.337864][   T12]  netif_close_many (net/core/dev.c:1804)
[   95.338045][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.338219][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.338391][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.338579][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   95.338757][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   95.338963][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   95.339177][   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)
[   95.339351][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   95.339538][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   95.339714][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.339922][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.340109][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   95.340286][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   95.340460][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.340648][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   95.340826][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   95.341004][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.341186][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.341368][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.341554][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.341728][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.341905][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.342088][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.342264][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.342442][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.342629][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.342811][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.342990][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.343168][   T12]  kthread (kernel/kthread.c:436)
[   95.343312][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.343531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.343708][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.343897][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.344114][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.344291][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.344467][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.347261][   T12] ------------[ cut here ]------------
| [   95.347432][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   95.348055][   T12] Modules linked in:
| [   95.348531][   T12] Tainted: [W]=WARN
[   95.348674][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.348872][   T12] Workqueue: netns cleanup_net
[   95.349051][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   95.349258][   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
[   95.349752][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   95.349952][   T12] RAX: 00000000ffffffa6 RBX: ff1100001039c200 RCX: 1ff4000000018ed5
[   95.350189][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001039c2bc
[   95.350415][   T12] RBP: ff1100000f9f9000 R08: 1fe2200002073859 R09: ff11000001aed1d0
[   95.350666][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   95.350897][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   95.351132][   T12] FS:  0000000000000000(0000) GS:ff110000db9c7000(0000) knlGS:0000000000000000
[   95.351393][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   95.351607][   T12] CR2: 00007f035e52c9dc CR3: 0000000058f4d005 CR4: 0000000000771ef0
[   95.351850][   T12] PKRU: 55555554
[   95.352003][   T12] Call Trace:
[   95.352148][   T12]  <TASK>
[   95.352259][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   95.352462][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   95.352675][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.352848][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   95.353020][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   95.353200][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   95.353369][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   95.353552][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   95.353726][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.353894][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   95.354074][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   95.354246][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.354419][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   95.354605][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   95.354776][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   95.354948][   T12]  process_one_work (kernel/workqueue.c:3314)
[   95.355132][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   95.355302][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   95.355476][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   95.355694][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   95.355926][   T12]  kthread (kernel/kthread.c:436)
[   95.356097][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.356299][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   95.356469][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.356651][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   95.356851][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.357019][   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