======================================
| xx__-> [   11.161851][  T174] ------------[ cut here ]------------
| [   11.162166][  T174] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ipmr/174
| [   11.162690][  T174] Modules linked in:
| [   11.163206][  T174] Tainted: [W]=WARN
[   11.163317][  T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.163495][  T174] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.163754][  T174] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.164266][  T174] RSP: 0018:ffa0000000877ab0 EFLAGS: 00010286
[   11.164484][  T174] RAX: 00000000ffffffa6 RBX: ff1100000c0a4040 RCX: 1ff400000010ef1c
[   11.164713][  T174] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0a40f8
[   11.164960][  T174] RBP: ff110000082e4000 R08: 1fe2200001814820 R09: ff1100000d1f8b80
[   11.165193][  T174] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.165446][  T174] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000082e4000
[   11.165662][  T174] FS:  00007fdfd8a56740(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   11.165897][  T174] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.166092][  T174] CR2: 00007fdfd8b51bc0 CR3: 000000000c020003 CR4: 0000000000771ef0
[   11.166310][  T174] PKRU: 55555554
[   11.166421][  T174] Call Trace:
[   11.166552][  T174]  <TASK>
[   11.166667][  T174]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.166850][  T174]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.167014][  T174]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.167141][  T174]  register_netdevice (net/core/dev.c:11488)
[   11.167318][  T174]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.167551][  T174]  register_netdev (net/core/dev.c:11552)
[   11.167695][  T174]  loopback_net_init (drivers/net/loopback.c:218)
[   11.167873][  T174]  ops_init (net/core/net_namespace.c:137)
[   11.167984][  T174]  setup_net (net/core/net_namespace.c:446)
[   11.168113][  T174]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.168255][  T174]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.168416][  T174]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.168576][  T174]  copy_net_ns (net/core/net_namespace.c:579)
[   11.168717][  T174]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.168857][  T174]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.169007][  T174]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.169152][  T174]  ksys_unshare (kernel/fork.c:3243)
[   11.169302][  T174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.169485][  T174]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.169659][  T174]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   11.169804][  T174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.169975][  T174]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.170114][  T174]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.170261][  T174]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.170403][  T174]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.170561][  T174]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.170705][  T174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.170978][  T174] RIP: 0033:0x7fdfd8b51bcb
[   11.171121][  T174] 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
[   11.171676][  T174] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.171933][  T174] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   11.172128][  T174] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   11.172329][  T174] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   11.172530][  T174] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   11.172749][  T174] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   11.300002][  T175] ------------[ cut here ]------------
| [   11.300349][  T175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/175
| [   11.300617][  T175] Modules linked in: veth
| [   11.301111][  T175] Tainted: [W]=WARN
[   11.301220][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.301475][  T175] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.301664][  T175] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.302181][  T175] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   11.302431][  T175] RAX: 00000000ffffffa6 RBX: ff11000008b103c0 RCX: 1ff4000000110d8c
[   11.302643][  T175] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008b10478
[   11.303014][  T175] RBP: ff110000057b9000 R08: 1fe2200001162090 R09: ff1100000e0b0b80
[   11.303346][  T175] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.303637][  T175] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c130e80
[   11.303851][  T175] FS:  00007f30ed7bc840(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   11.304113][  T175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.304362][  T175] CR2: 000056528d814d40 CR3: 0000000009394005 CR4: 0000000000771ef0
[   11.304585][  T175] PKRU: 55555554
[   11.304690][  T175] Call Trace:
[   11.304799][  T175]  <TASK>
[   11.304872][  T175]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.305060][  T175]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.305209][  T175]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.305381][  T175]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.305573][  T175]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.305722][  T175]  __dev_notify_flags (net/core/dev.c:9787)
[   11.305864][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.306002][  T175]  ? netif_change_name (net/core/dev.c:1495)
[   11.306138][  T175]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.306353][  T175]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.306503][  T175]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.306646][  T175]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.306790][  T175]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.306933][  T175]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.307078][  T175] veth_newlink (drivers/net/veth.c:1871) veth
[   11.307366][  T175]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.307682][  T175]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.307922][  T175]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.308155][  T175]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.308538][  T175]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.308737][  T175]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.308967][  T175]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.309301][  T175]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.309492][  T175]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.309654][  T175]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.309809][  T175]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.309950][  T175]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.310119][  T175]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.310440][  T175]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.310668][  T175]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.310814][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.310946][  T175]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.311079][  T175]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.311354][  T175]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.311520][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.311661][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.311797][  T175]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.311936][  T175]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.312068][  T175]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.312211][  T175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.312504][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.312657][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.312836][  T175]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.313022][  T175]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.313216][  T175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.313781][  T175]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.313981][  T175]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.314171][  T175]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.314467][  T175]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.314658][  T175]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.314845][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.315029][  T175]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.315225][  T175]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.315651][  T175]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.315800][  T175]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.315933][  T175]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.316064][  T175]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.316224][  T175]  ? move_addr_to_kernel (net/socket.c:258)
[   11.316528][  T175]  ___sys_sendmsg (net/socket.c:2752)
[   11.316717][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.316898][  T175]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.317103][  T175]  __sys_sendmsg (net/socket.c:2784)
[   11.317438][  T175]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.317651][  T175]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.317845][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.318029][  T175]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.318214][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.318503][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.318696][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.318879][  T175]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.319065][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.319359][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.319605][  T175] RIP: 0033:0x7f30ed9f608e
[   11.319817][  T175] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.320617][  T175] RSP: 002b:00007ffed3a7a050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.320902][  T175] RAX: ffffffffffffffda RBX: 00007ffed3a7a7e8 RCX: 00007f30ed9f608e
[   11.321196][  T175] RDX: 0000000000000000 RSI: 00007ffed3a7a100 RDI: 0000000000000007
[   11.321599][  T175] RBP: 00007ffed3a7a060 R08: 0000000000000000 R09: 0000000000000000
[   11.321885][  T175] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5e
[   11.322167][  T175] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed3a7a7c0
| [   11.338657][  T175] ------------[ cut here ]------------
| [   11.338845][  T175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/175
| [   11.339072][  T175] Modules linked in: veth
| [   11.339513][  T175] Tainted: [W]=WARN
[   11.339608][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.339810][  T175] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.340063][  T175] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.342093][  T175] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   11.342376][  T175] RAX: 00000000ffffffa6 RBX: ff1100000aa2cac0 RCX: 1ff4000000110dfc
[   11.342706][  T175] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa2cb78
[   11.343000][  T175] RBP: ff110000052e9000 R08: 1fe2200001545970 R09: ff1100000e0b0b80
[   11.343279][  T175] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.343569][  T175] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.343856][  T175] FS:  00007f30ed7bc840(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   11.344214][  T175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.344487][  T175] CR2: 000056528d814d40 CR3: 0000000009394005 CR4: 0000000000771ef0
[   11.344803][  T175] PKRU: 55555554
[   11.344949][  T175] Call Trace:
[   11.345091][  T175]  <TASK>
[   11.345191][  T175]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.345409][  T175]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.345572][  T175]  __dev_notify_flags (net/core/dev.c:9787)
[   11.345788][  T175]  ? netif_change_name (net/core/dev.c:1495)
[   11.346005][  T175]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.346181][  T175]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.346386][  T175]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.346585][  T175]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.346781][  T175]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.346970][  T175]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.347150][  T175]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.347356][  T175]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.347564][  T175]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.347758][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.347953][  T175]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.348152][  T175]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.348357][  T175]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.348565][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.348777][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.348987][  T175]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.349166][  T175]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.349360][  T175]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.349553][  T175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.349683][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.349814][  T175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.349938][  T175]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.350066][  T175]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.350194][  T175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.350329][  T175]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.350461][  T175]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.350587][  T175]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.350713][  T175]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.350844][  T175]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.350967][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.351099][  T175]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.351224][  T175]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.351357][  T175]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.351498][  T175]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.351630][  T175]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.351755][  T175]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.351912][  T175]  ? move_addr_to_kernel (net/socket.c:258)
[   11.352044][  T175]  ___sys_sendmsg (net/socket.c:2752)
[   11.352169][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.352298][  T175]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.352439][  T175]  __sys_sendmsg (net/socket.c:2784)
[   11.352566][  T175]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.352746][  T175]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   11.352914][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.353045][  T175]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.353170][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.353302][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.353431][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.353579][  T175]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.353712][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.353843][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.354006][  T175] RIP: 0033:0x7f30ed9f608e
[   11.354140][  T175] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.354598][  T175] RSP: 002b:00007ffed3a7a050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.354788][  T175] RAX: ffffffffffffffda RBX: 00007ffed3a7a7e8 RCX: 00007f30ed9f608e
[   11.354978][  T175] RDX: 0000000000000000 RSI: 00007ffed3a7a100 RDI: 0000000000000007
[   11.355166][  T175] RBP: 00007ffed3a7a060 R08: 0000000000000000 R09: 0000000000000000
[   11.355354][  T175] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5e
[   11.355550][  T175] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed3a7a7c0
| [   11.392144][   T12] ------------[ cut here ]------------
| [   11.392477][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   11.392779][   T12] Modules linked in: veth
| [   11.393170][   T12] Tainted: [W]=WARN
[   11.393304][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.393456][   T12] Workqueue: netns cleanup_net
[   11.393595][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.393753][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.394199][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   11.394460][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa2c740 RCX: 1ff4000000018ed5
[   11.394721][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa2c7f8
[   11.394896][   T12] RBP: ff110000052e9000 R08: 1fe2200001545900 R09: ff11000001afd1d0
[   11.395074][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.395256][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.395438][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   11.395644][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.395788][   T12] CR2: 00007fdfd8c8ded4 CR3: 000000000d1f2003 CR4: 0000000000771ef0
[   11.395961][   T12] PKRU: 55555554
[   11.396051][   T12] Call Trace:
[   11.396145][   T12]  <TASK>
[   11.396207][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.396359][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.396506][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.396623][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.396739][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.396852][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.396963][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.397081][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.397194][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.397316][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.397440][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.397555][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.397671][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   11.397782][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.397915][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.398049][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.398173][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.398309][   T12]  process_one_work (kernel/workqueue.c:3314)
[   11.398449][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.398587][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.398712][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.398835][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.398957][   T12]  kthread (kernel/kthread.c:436)
[   11.399049][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.399203][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.399332][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.399461][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.399657][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.399827][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.399992][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.403289][   T12] ------------[ cut here ]------------
| [   11.403459][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   11.403695][   T12] Modules linked in: veth
| [   11.404142][   T12] Tainted: [W]=WARN
[   11.404242][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.404390][   T12] Workqueue: netns cleanup_net
[   11.404528][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.404692][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.405126][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   11.405298][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa2c200 RCX: 1ff4000000018ed5
[   11.405493][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa2c2b8
[   11.405676][   T12] RBP: ff110000057b9000 R08: 1fe2200001545858 R09: ff11000001afd1d0
[   11.405861][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.406042][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.406225][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   11.406497][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.406653][   T12] CR2: 00007fdfd8c8ded4 CR3: 000000000d1f2003 CR4: 0000000000771ef0
[   11.406837][   T12] PKRU: 55555554
[   11.406933][   T12] Call Trace:
[   11.407029][   T12]  <TASK>
[   11.407092][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.407253][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.407418][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.407540][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.407712][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.407881][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.408052][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.408224][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.408404][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.408587][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.408726][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.408874][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.409011][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   11.409141][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.409276][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.409398][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.409524][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.409648][   T12]  process_one_work (kernel/workqueue.c:3314)
[   11.409776][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.409898][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.410024][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.410159][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.410296][   T12]  kthread (kernel/kthread.c:436)
[   11.410391][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.410558][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.410683][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.410810][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.410959][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.411080][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.411199][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.414952][   T12] ------------[ cut here ]------------
| [   11.415089][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   11.415335][   T12] Modules linked in: veth
| [   11.415781][   T12] Tainted: [W]=WARN
[   11.415874][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.416026][   T12] Workqueue: netns cleanup_net
[   11.416155][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.416326][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.416767][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   11.416933][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c0a4580 RCX: 1ff4000000018ed5
[   11.417114][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0a4638
[   11.417298][   T12] RBP: ff110000082e4000 R08: 1fe22000018148c8 R09: ff11000001afd1d0
[   11.417487][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.417666][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.417851][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   11.418067][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.418220][   T12] CR2: 00007fdfd8c8ded4 CR3: 000000000d1f2003 CR4: 0000000000771ef0
[   11.418412][   T12] PKRU: 55555554
[   11.418502][   T12] Call Trace:
[   11.418592][   T12]  <TASK>
[   11.418656][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.418806][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.418955][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.419078][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.419207][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.419329][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.419454][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.419578][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.419699][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.419893][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.420070][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.420220][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.420349][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   11.420469][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.420580][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.420695][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.420804][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.420917][   T12]  process_one_work (kernel/workqueue.c:3314)
[   11.421035][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.421144][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.421267][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.421382][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.421496][   T12]  kthread (kernel/kthread.c:436)
[   11.421583][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.421723][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.421833][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.421948][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.422086][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.422198][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.422315][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.433140][  T178] ------------[ cut here ]------------
| [   11.433389][  T178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ipmr/178
| [   11.433724][  T178] Modules linked in: veth
| [   11.434146][  T178] Tainted: [W]=WARN
[   11.434256][  T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.434471][  T178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.434654][  T178] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.435145][  T178] RSP: 0018:ffa0000000537ab0 EFLAGS: 00010286
[   11.435328][  T178] RAX: 00000000ffffffa6 RBX: ff11000004a67000 RCX: 1ff40000000a6f1c
[   11.435529][  T178] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a670b8
[   11.435720][  T178] RBP: ff11000009d4c000 R08: 1fe220000094ce18 R09: ff1100000d208b80
[   11.435934][  T178] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.436121][  T178] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009d4c000
[   11.436324][  T178] FS:  00007fdfd8a56740(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   11.436552][  T178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.436713][  T178] CR2: 00007fdfd8b51bc0 CR3: 00000000055c8001 CR4: 0000000000771ef0
[   11.436908][  T178] PKRU: 55555554
[   11.437001][  T178] Call Trace:
[   11.437094][  T178]  <TASK>
[   11.437163][  T178]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.437328][  T178]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.437468][  T178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.437563][  T178]  register_netdevice (net/core/dev.c:11488)
[   11.437696][  T178]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.437866][  T178]  register_netdev (net/core/dev.c:11552)
[   11.437990][  T178]  loopback_net_init (drivers/net/loopback.c:218)
[   11.438121][  T178]  ops_init (net/core/net_namespace.c:137)
[   11.438218][  T178]  setup_net (net/core/net_namespace.c:446)
[   11.438317][  T178]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.438448][  T178]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.438577][  T178]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.438708][  T178]  copy_net_ns (net/core/net_namespace.c:579)
[   11.438833][  T178]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.438962][  T178]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.439089][  T178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.439219][  T178]  ksys_unshare (kernel/fork.c:3243)
[   11.439351][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.439483][  T178]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.439607][  T178]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   11.439735][  T178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.439861][  T178]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.439986][  T178]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.440131][  T178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.440267][  T178]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.440419][  T178]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.440605][  T178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.440762][  T178] RIP: 0033:0x7fdfd8b51bcb
[   11.440895][  T178] 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
[   11.441359][  T178] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.441566][  T178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   11.441756][  T178] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   11.441944][  T178] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   11.442146][  T178] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   11.442418][  T178] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   11.485128][  T179] ------------[ cut here ]------------
| [   11.485429][  T179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/179
| [   11.485768][  T179] Modules linked in: veth
| [   11.486356][  T179] Tainted: [W]=WARN
[   11.486543][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.486803][  T179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.487073][  T179] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.487707][  T179] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   11.487961][  T179] RAX: 00000000ffffffa6 RBX: ff11000004b191c0 RCX: 1ff4000000110d8c
[   11.488262][  T179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b19278
[   11.488598][  T179] RBP: ff11000009c9c000 R08: 1fe2200000963250 R09: ff1100000c1fd180
[   11.488881][  T179] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.489163][  T179] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c1dd580
[   11.489519][  T179] FS:  00007f62cf449840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   11.489849][  T179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.490105][  T179] CR2: 000000000042ebe0 CR3: 0000000008fcd001 CR4: 0000000000771ef0
[   11.490426][  T179] PKRU: 55555554
[   11.490622][  T179] Call Trace:
[   11.490805][  T179]  <TASK>
[   11.490946][  T179]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.491162][  T179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.491357][  T179]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.491612][  T179]  __dev_notify_flags (net/core/dev.c:9787)
[   11.491822][  T179]  ? netif_change_name (net/core/dev.c:1495)
[   11.492047][  T179]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.492274][  T179]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.492493][  T179]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.492729][  T179]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.492947][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.493170][  T179]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.493405][  T179]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.493636][  T179]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.493863][  T179]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.494099][  T179] veth_newlink (drivers/net/veth.c:1871) veth
[   11.494329][  T179]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.494594][  T179]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.494821][  T179]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.495050][  T179]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.495304][  T179]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.495537][  T179]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.495766][  T179]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.495993][  T179]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.496221][  T179]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.496484][  T179]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.496721][  T179]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.496948][  T179]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.497170][  T179]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.497424][  T179]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.497659][  T179]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.497878][  T179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.498097][  T179]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.498325][  T179]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.498550][  T179]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.498769][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.498987][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.499199][  T179]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.499431][  T179]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.499645][  T179]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.499857][  T179]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.500068][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.500302][  T179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.500524][  T179]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.500739][  T179]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.500953][  T179]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.501166][  T179]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.501393][  T179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.501617][  T179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.501839][  T179]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.502055][  T179]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.502285][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.502509][  T179]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.502727][  T179]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.502941][  T179]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.503165][  T179]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.503395][  T179]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.503624][  T179]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.503870][  T179]  ? move_addr_to_kernel (net/socket.c:258)
[   11.504089][  T179]  ___sys_sendmsg (net/socket.c:2752)
[   11.504317][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.504537][  T179]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.504783][  T179]  ? 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))
[   11.505044][  T179]  __sys_sendmsg (net/socket.c:2784)
[   11.505317][  T179]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.505602][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.505865][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.506120][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.506328][  T179]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.506541][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.506774][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.507046][  T179] RIP: 0033:0x7f62cf68308e
[   11.507305][  T179] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.507957][  T179] RSP: 002b:00007ffe04550200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.508271][  T179] RAX: ffffffffffffffda RBX: 00007ffe04550998 RCX: 00007f62cf68308e
[   11.508592][  T179] RDX: 0000000000000000 RSI: 00007ffe045502b0 RDI: 0000000000000005
[   11.508924][  T179] RBP: 00007ffe04550210 R08: 0000000000000000 R09: 0000000000000000
[   11.509294][  T179] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5e
[   11.509651][  T179] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe04550970
| [   11.533192][  T179] ------------[ cut here ]------------
| [   11.533443][  T179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/179
| [   11.533729][  T179] Modules linked in: veth
| [   11.534376][  T179] Tainted: [W]=WARN
[   11.534519][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.534729][  T179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.534951][  T179] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.535472][  T179] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   11.535679][  T179] RAX: 00000000ffffffa6 RBX: ff11000004b7a3c0 RCX: 1ff4000000110dfc
[   11.535914][  T179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b7a478
[   11.536152][  T179] RBP: ff1100000c3c4000 R08: 1fe220000096f490 R09: ff1100000c1fd180
[   11.536399][  T179] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.536637][  T179] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.536876][  T179] FS:  00007f62cf449840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   11.537149][  T179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.537370][  T179] CR2: 000000000042ebe0 CR3: 0000000008fcd001 CR4: 0000000000771ef0
[   11.537616][  T179] PKRU: 55555554
[   11.537760][  T179] Call Trace:
[   11.537904][  T179]  <TASK>
[   11.538016][  T179]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.538195][  T179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.538352][  T179]  __dev_notify_flags (net/core/dev.c:9787)
[   11.538533][  T179]  ? netif_change_name (net/core/dev.c:1495)
[   11.538706][  T179]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.538878][  T179]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.539059][  T179]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.539255][  T179]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.539448][  T179]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.539622][  T179]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.539796][  T179]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.539975][  T179]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.540155][  T179]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.540346][  T179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.540549][  T179]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.540728][  T179]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.540904][  T179]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.541083][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.541274][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.541458][  T179]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.541634][  T179]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.541809][  T179]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.541983][  T179]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.542160][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.542348][  T179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.542544][  T179]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.542725][  T179]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.542901][  T179]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.543078][  T179]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.543266][  T179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.543449][  T179]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.543634][  T179]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.543812][  T179]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.543987][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.544163][  T179]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.544354][  T179]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.544541][  T179]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.544721][  T179]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.544898][  T179]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.545077][  T179]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.545294][  T179]  ? move_addr_to_kernel (net/socket.c:258)
[   11.545483][  T179]  ___sys_sendmsg (net/socket.c:2752)
[   11.545658][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.545833][  T179]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.546016][  T179]  ? 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))
[   11.546199][  T179]  __sys_sendmsg (net/socket.c:2784)
[   11.546388][  T179]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.546587][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.546762][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.546938][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.547113][  T179]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.547302][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.547487][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.547701][  T179] RIP: 0033:0x7f62cf68308e
[   11.547886][  T179] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.548430][  T179] RSP: 002b:00007ffe04550200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.548671][  T179] RAX: ffffffffffffffda RBX: 00007ffe04550998 RCX: 00007f62cf68308e
[   11.548913][  T179] RDX: 0000000000000000 RSI: 00007ffe045502b0 RDI: 0000000000000005
[   11.549147][  T179] RBP: 00007ffe04550210 R08: 0000000000000000 R09: 0000000000000000
[   11.549399][  T179] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5e
[   11.549645][  T179] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe04550970
| [   11.560139][  T178] ------------[ cut here ]------------
| [   11.560337][  T178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ipmr/178
| [   11.560753][  T178] Modules linked in: veth
| [   11.561247][  T178] Tainted: [W]=WARN
[   11.561350][  T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.561523][  T178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.561705][  T178] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.562173][  T178] RSP: 0018:ffa0000000537720 EFLAGS: 00010286
[   11.562347][  T178] RAX: 00000000ffffffa6 RBX: ff11000004b7b380 RCX: 1ff40000000a6eaa
[   11.562549][  T178] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b7b438
[   11.562748][  T178] RBP: ff1100000bc2c000 R08: 1fe220000096f688 R09: ff1100000d208b58
[   11.562942][  T178] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.563137][  T178] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bc2c000
[   11.563340][  T178] FS:  00007fdfd8a56740(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   11.563580][  T178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.563747][  T178] CR2: 00007fdfd8a49000 CR3: 00000000055c8001 CR4: 0000000000771ef0
[   11.563942][  T178] PKRU: 55555554
[   11.564043][  T178] Call Trace:
[   11.564141][  T178]  <TASK>
[   11.564209][  T178]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.564350][  T178]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.564489][  T178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.564588][  T178]  register_netdevice (net/core/dev.c:11488)
[   11.564718][  T178]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.564879][  T178]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.565011][  T178]  vif_add (net/ipv4/ipmr.c:597 net/ipv4/ipmr.c:871)
[   11.565110][  T178]  ? __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)
[   11.565245][  T178]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.565378][  T178]  ? pim_rcv (net/ipv4/ipmr.c:2429)
[   11.565482][  T178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.565612][  T178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.565745][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.565876][  T178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.566007][  T178]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1488 (discriminator 1))
[   11.566139][  T178]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2963)
[   11.566275][  T178]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.566444][  T178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.566579][  T178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.566731][  T178]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:948)
[   11.566897][  T178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.567023][  T178]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:605)
[   11.567144][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.567276][  T178]  ? 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)
[   11.567398][  T178]  ? preempt_count_add (./include/linux/ftrace.h:1168 kernel/sched/core.c:5837 kernel/sched/core.c:5834 kernel/sched/core.c:5862)
[   11.567554][  T178]  ? mnt_put_write_access_file (fs/namespace.c:555 fs/namespace.c:579 fs/namespace.c:576)
[   11.567685][  T178]  ? mnt_put_write_access_file (fs/namespace.c:557 (discriminator 1) fs/namespace.c:579 (discriminator 1) fs/namespace.c:576 (discriminator 1))
[   11.567867][  T178]  ? file_update_time_flags (fs/inode.c:2429)
[   11.568058][  T178]  ip_setsockopt (net/ipv4/ip_sockglue.c:1417)
[   11.568258][  T178]  raw_setsockopt (net/ipv4/raw.c:849)
[   11.568457][  T178]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   11.568598][  T178]  ? raw_bind (net/ipv4/raw.c:727)
[   11.568712][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5574)
[   11.568884][  T178]  do_sock_setsockopt (net/socket.c:2381)
[   11.569037][  T178]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   11.569178][  T178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.569327][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.569472][  T178]  __sys_setsockopt (net/socket.c:2406)
[   11.569626][  T178]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   11.569754][  T178]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.569918][  T178]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.570049][  T178]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.570176][  T178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.570311][  T178]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.570452][  T178]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.570587][  T178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.570748][  T178] RIP: 0033:0x7fdfd8b5261e
[   11.570887][  T178] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   11.571353][  T178] RSP: 002b:00007ffc7257d9a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
[   11.571559][  T178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b5261e
[   11.571754][  T178] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   11.571952][  T178] RBP: 00007ffc7257da30 R08: 0000000000000010 R09: 0000000000000000
[   11.572148][  T178] R10: 00007ffc7257d9d0 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   11.572348][  T178] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   11.573996][  T178] ------------[ cut here ]------------
| [   11.574132][  T178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ipmr/178
| [   11.574399][  T178] Modules linked in: veth
| [   11.574779][  T178] Tainted: [W]=WARN
[   11.574880][  T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.575048][  T178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.575220][  T178] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.575696][  T178] RSP: 0018:ffa0000000537738 EFLAGS: 00010286
[   11.575864][  T178] RAX: 00000000ffffffa6 RBX: ff11000004b7b540 RCX: 1ff40000000a6ead
[   11.576065][  T178] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b7b5f8
[   11.576266][  T178] RBP: ff1100000bc2c000 R08: 1fe220000096f6c0 R09: ff1100000d208b58
[   11.576466][  T178] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   11.576661][  T178] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bf32000
[   11.576861][  T178] FS:  00007fdfd8a56740(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   11.577092][  T178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.577263][  T178] CR2: 00007fdfd8a49000 CR3: 00000000055c8001 CR4: 0000000000771ef0
[   11.577466][  T178] PKRU: 55555554
[   11.577566][  T178] Call Trace:
[   11.577664][  T178]  <TASK>
[   11.577736][  T178]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.577868][  T178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.577967][  T178]  netif_open (net/core/dev.c:1729 net/core/dev.c:1718)
[   11.578068][  T178]  ? netdev_notify_peers (net/core/dev.c:1642)
[   11.578199][  T178]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.578369][  T178]  dev_open (net/core/dev_api.c:202)
[   11.578474][  T178]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   11.578609][  T178]  vif_add (net/ipv4/ipmr.c:604 net/ipv4/ipmr.c:871)
[   11.578710][  T178]  ? __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)
[   11.578842][  T178]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.578976][  T178]  ? pim_rcv (net/ipv4/ipmr.c:2429)
[   11.579077][  T178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.579208][  T178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.579388][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.579542][  T178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.579668][  T178]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1488 (discriminator 1))
[   11.579791][  T178]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2963)
[   11.579911][  T178]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.580065][  T178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.580204][  T178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.580400][  T178]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:948)
[   11.580582][  T178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.580711][  T178]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:605)
[   11.580833][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.580958][  T178]  ? 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)
[   11.581083][  T178]  ? preempt_count_add (./include/linux/ftrace.h:1168 kernel/sched/core.c:5837 kernel/sched/core.c:5834 kernel/sched/core.c:5862)
[   11.581211][  T178]  ? mnt_put_write_access_file (fs/namespace.c:555 fs/namespace.c:579 fs/namespace.c:576)
[   11.581341][  T178]  ? mnt_put_write_access_file (fs/namespace.c:557 (discriminator 1) fs/namespace.c:579 (discriminator 1) fs/namespace.c:576 (discriminator 1))
[   11.581504][  T178]  ? file_update_time_flags (fs/inode.c:2429)
[   11.581646][  T178]  ip_setsockopt (net/ipv4/ip_sockglue.c:1417)
[   11.581768][  T178]  raw_setsockopt (net/ipv4/raw.c:849)
[   11.581889][  T178]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   11.582014][  T178]  ? raw_bind (net/ipv4/raw.c:727)
[   11.582108][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5574)
[   11.582236][  T178]  do_sock_setsockopt (net/socket.c:2381)
[   11.582360][  T178]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   11.582499][  T178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.582660][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.582801][  T178]  __sys_setsockopt (net/socket.c:2406)
[   11.582946][  T178]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   11.583084][  T178]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.583279][  T178]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.583468][  T178]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.583622][  T178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.583752][  T178]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.583874][  T178]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.584002][  T178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.584159][  T178] RIP: 0033:0x7fdfd8b5261e
[   11.584304][  T178] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   11.584815][  T178] RSP: 002b:00007ffc7257d9a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
[   11.585005][  T178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b5261e
[   11.585188][  T178] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   11.585378][  T178] RBP: 00007ffc7257da30 R08: 0000000000000010 R09: 0000000000000000
[   11.585571][  T178] R10: 00007ffc7257d9d0 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   11.585754][  T178] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   11.634703][  T178] ------------[ cut here ]------------
| [   11.634915][  T178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ipmr/178
| [   11.635277][  T178] Modules linked in: veth
| [   11.636057][  T178] Tainted: [W]=WARN
[   11.636241][  T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.636498][  T178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.636751][  T178] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.637314][  T178] RSP: 0018:ffa00000005375e8 EFLAGS: 00010286
[   11.637564][  T178] RAX: 00000000ffffffa6 RBX: ff11000004b7be00 RCX: 1ff40000000a6e83
[   11.637836][  T178] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b7beb8
[   11.638105][  T178] RBP: ff1100000bc2c000 R08: 1fe220000096f7d8 R09: ff1100000d208b58
[   11.638395][  T178] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   11.638673][  T178] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000537680
[   11.638951][  T178] FS:  00007fdfd8a56740(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   11.639272][  T178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.639527][  T178] CR2: 00007fde24978f98 CR3: 00000000055c8005 CR4: 0000000000771ef0
[   11.639797][  T178] PKRU: 55555554
[   11.639969][  T178] Call Trace:
[   11.640139][  T178]  <TASK>
[   11.640288][  T178]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.640505][  T178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.640676][  T178]  netif_close_many (net/core/dev.c:1804)
[   11.640882][  T178]  ? __dev_close_many (net/core/dev.c:1781)
[   11.641093][  T178]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.641340][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.641562][  T178]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.641800][  T178]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.642045][  T178]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   11.642221][  T178]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.642508][  T178]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1544)
[   11.642728][  T178]  ? do_one_broadcast (net/netlink/af_netlink.c:1443)
[   11.642908][  T178]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   11.643086][  T178]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.643299][  T178]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   11.643520][  T178]  vif_delete (net/ipv4/ipmr.c:737)
[   11.643700][  T178]  ? ipmr_cache_report (./include/linux/skbuff.h:3136)
[   11.643910][  T178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.644117][  T178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.644338][  T178]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1491)
[   11.644554][  T178]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2963)
[   11.644764][  T178]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.644973][  T178]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:948)
[   11.645177][  T178]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:605)
[   11.645393][  T178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.645617][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.645822][  T178]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.646057][  T178]  ? 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)
[   11.646274][  T178]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   11.646522][  T178]  ip_setsockopt (net/ipv4/ip_sockglue.c:1417)
[   11.646727][  T178]  raw_setsockopt (net/ipv4/raw.c:849)
[   11.646931][  T178]  ? raw_bind (net/ipv4/raw.c:727)
[   11.647105][  T178]  ? ptrace_signal (./include/linux/signal.h:87)
[   11.647322][  T178]  do_sock_setsockopt (net/socket.c:2381)
[   11.647538][  T178]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   11.647744][  T178]  ? arch_do_signal_or_restart (arch/x86/kernel/signal.c:337)
[   11.647950][  T178]  ? get_sigframe_size (arch/x86/kernel/signal.c:233)
[   11.648156][  T178]  __sys_setsockopt (net/socket.c:2406)
[   11.648375][  T178]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   11.648613][  T178]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.648849][  T178]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.649077][  T178]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.649335][  T178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.649587][  T178]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.649824][  T178]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.650068][  T178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.650337][  T178] RIP: 0033:0x7fdfd8b5261e
[   11.650534][  T178] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   11.651031][  T178] RSP: 002b:00007ffc7257d9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   11.651276][  T178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b5261e
[   11.651524][  T178] RDX: 00000000000000cb RSI: 0000000000000000 RDI: 0000000000000007
[   11.651757][  T178] RBP: 00007ffc7257da30 R08: 0000000000000010 R09: 0000000000000000
[   11.651989][  T178] R10: 00007ffc7257d9d0 R11: 0000000000000246 R12: 00007ffc7257e0b8
[   11.652219][  T178] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   11.655500][  T178] ------------[ cut here ]------------
| [   11.655752][  T178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ipmr/178
| [   11.656137][  T178] Modules linked in: veth
| [   11.657667][  T178] Tainted: [W]=WARN
[   11.657859][  T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.658155][  T178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.658430][  T178] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.658907][  T178] RSP: 0018:ffa0000000537718 EFLAGS: 00010286
[   11.659107][  T178] RAX: 00000000ffffffa6 RBX: ff11000009a66740 RCX: 1ff40000000a6ea9
[   11.659357][  T178] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a667f8
[   11.659593][  T178] RBP: ff1100000bc2c000 R08: 1fe220000134cd00 R09: ff1100000d208b58
[   11.659821][  T178] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.660046][  T178] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.660288][  T178] FS:  00007fdfd8a56740(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   11.660577][  T178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.660777][  T178] CR2: 00007fde24978f98 CR3: 00000000055c8005 CR4: 0000000000771ef0
[   11.661004][  T178] PKRU: 55555554
[   11.661139][  T178] Call Trace:
[   11.661290][  T178]  <TASK>
[   11.661398][  T178]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.661604][  T178]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.661802][  T178]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1544)
[   11.662004][  T178]  ? do_one_broadcast (net/netlink/af_netlink.c:1443)
[   11.662176][  T178]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   11.662357][  T178]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.662532][  T178]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2594)
[   11.662700][  T178]  vif_delete (net/ipv4/ipmr.c:737)
[   11.662840][  T178]  ? ipmr_cache_report (./include/linux/skbuff.h:3136)
[   11.663015][  T178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.663185][  T178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.663370][  T178]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1491)
[   11.663544][  T178]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2963)
[   11.663715][  T178]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.663884][  T178]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:948)
[   11.664051][  T178]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:605)
[   11.664220][  T178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.664401][  T178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.664576][  T178]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.664768][  T178]  ? 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)
[   11.664933][  T178]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[   11.665128][  T178]  ip_setsockopt (net/ipv4/ip_sockglue.c:1417)
[   11.665311][  T178]  raw_setsockopt (net/ipv4/raw.c:849)
[   11.665491][  T178]  ? raw_bind (net/ipv4/raw.c:727)
[   11.665631][  T178]  ? ptrace_signal (./include/linux/signal.h:87)
[   11.665800][  T178]  do_sock_setsockopt (net/socket.c:2381)
[   11.665991][  T178]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   11.666156][  T178]  ? arch_do_signal_or_restart (arch/x86/kernel/signal.c:337)
[   11.666341][  T178]  ? get_sigframe_size (arch/x86/kernel/signal.c:233)
[   11.666527][  T178]  __sys_setsockopt (net/socket.c:2406)
[   11.666700][  T178]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   11.666869][  T178]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.667067][  T178]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.667247][  T178]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.667421][  T178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.667590][  T178]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.667756][  T178]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.667922][  T178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.668130][  T178] RIP: 0033:0x7fdfd8b5261e
[   11.668321][  T178] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   11.668802][  T178] RSP: 002b:00007ffc7257d9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   11.669049][  T178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b5261e
[   11.669347][  T178] RDX: 00000000000000cb RSI: 0000000000000000 RDI: 0000000000000007
[   11.669624][  T178] RBP: 00007ffc7257da30 R08: 0000000000000010 R09: 0000000000000000
[   11.669891][  T178] R10: 00007ffc7257d9d0 R11: 0000000000000246 R12: 00007ffc7257e0b8
[   11.670198][  T178] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   11.709117][   T12] ------------[ cut here ]------------
| [   11.709375][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   11.711288][   T12] Modules linked in: veth
| [   11.711760][   T12] Tainted: [W]=WARN
[   11.711863][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.712031][   T12] Workqueue: netns cleanup_net
[   11.712175][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.712424][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.713048][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   11.713293][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a67380 RCX: 1ff4000000018ed5
[   11.713516][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a67438
[   11.713717][   T12] RBP: ff1100000c3c4000 R08: 1fe220000134ce88 R09: ff11000001afd1d0
[   11.713922][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.714138][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.714351][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   11.714628][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.714838][   T12] CR2: 00007feb7705b2a0 CR3: 000000000d1f2003 CR4: 0000000000771ef0
[   11.715048][   T12] PKRU: 55555554
[   11.715179][   T12] Call Trace:
[   11.715345][   T12]  <TASK>
[   11.715448][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.715632][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.715818][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.715948][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.716076][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.716198][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.716335][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.716470][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.716592][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.716717][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.716840][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.716958][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.717080][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   11.718843][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.719054][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.719250][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.719416][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.719530][   T12]  process_one_work (kernel/workqueue.c:3314)
[   11.719646][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.719758][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.719874][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.719996][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.720110][   T12]  kthread (kernel/kthread.c:436)
[   11.720200][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.720350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.720467][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.720581][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.720718][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.720830][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.720939][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.723951][   T12] ------------[ cut here ]------------
| [   11.724110][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   11.724528][   T12] Modules linked in: veth
| [   11.724939][   T12] Tainted: [W]=WARN
[   11.725034][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.725194][   T12] Workqueue: netns cleanup_net
[   11.725332][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.725497][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.725940][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   11.726100][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a67a80 RCX: 1ff4000000018ed5
[   11.726290][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009a67b38
[   11.726494][   T12] RBP: ff11000009c9c000 R08: 1fe220000134cf68 R09: ff11000001afd1d0
[   11.726661][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.726839][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.727025][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   11.727246][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.727400][   T12] CR2: 00007feb7705b2a0 CR3: 000000000d1f2003 CR4: 0000000000771ef0
[   11.727586][   T12] PKRU: 55555554
[   11.727679][   T12] Call Trace:
[   11.727769][   T12]  <TASK>
[   11.727832][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.727986][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.728149][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.728344][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.728523][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.728689][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.728862][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.729033][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.729198][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.729353][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.729476][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.729587][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.729701][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   11.729815][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.729925][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.730037][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.730146][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.730265][   T12]  process_one_work (kernel/workqueue.c:3314)
[   11.730380][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.730500][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.730618][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.730734][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.730845][   T12]  kthread (kernel/kthread.c:436)
[   11.730930][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.731069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.731180][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.731295][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.731438][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.731552][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.731664][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.734924][   T12] ------------[ cut here ]------------
| [   11.735074][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   11.735327][   T12] Modules linked in: veth
| [   11.735687][   T12] Tainted: [W]=WARN
[   11.735772][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.735915][   T12] Workqueue: netns cleanup_net
[   11.736036][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.736180][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.736664][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   11.736860][   T12] RAX: 00000000ffffffa6 RBX: ff11000005bf4200 RCX: 1ff4000000018ed5
[   11.737024][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005bf42b8
[   11.737191][   T12] RBP: ff11000009d4c000 R08: 1fe2200000b7e858 R09: ff11000001afd1d0
[   11.737372][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.737597][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.737780][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   11.738071][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.738213][   T12] CR2: 00007feb7705b2a0 CR3: 000000000d1f2003 CR4: 0000000000771ef0
[   11.738395][   T12] PKRU: 55555554
[   11.738487][   T12] Call Trace:
[   11.738570][   T12]  <TASK>
[   11.738629][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.738773][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.738932][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.739059][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.739183][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.739312][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.739437][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.739557][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.739681][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.739807][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.739929][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.740050][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.740174][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   11.740416][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.740540][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.740663][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.740785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.740914][   T12]  process_one_work (kernel/workqueue.c:3314)
[   11.741042][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.741161][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.741389][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.741665][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.741859][   T12]  kthread (kernel/kthread.c:436)
[   11.741990][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.742202][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.742541][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.742662][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.742805][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.742918][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.743033][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.760681][  T185] ------------[ cut here ]------------
| [   11.760880][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ipmr/185
| [   11.761193][  T185] Modules linked in: veth
| [   11.761754][  T185] Tainted: [W]=WARN
[   11.761867][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.762056][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.762295][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.763021][  T185] RSP: 0018:ffa0000000887ab0 EFLAGS: 00010286
[   11.763214][  T185] RAX: 00000000ffffffa6 RBX: ff11000005bf5700 RCX: 1ff4000000110f1c
[   11.763447][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005bf57b8
[   11.763639][  T185] RBP: ff1100000c319000 R08: 1fe2200000b7eaf8 R09: ff1100000c4d5180
[   11.763866][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.764076][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c319000
[   11.764297][  T185] FS:  00007fdfd8a56740(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   11.764601][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.764819][  T185] CR2: 00007fdfd8b51bc0 CR3: 0000000009394003 CR4: 0000000000771ef0
[   11.765003][  T185] PKRU: 55555554
[   11.765097][  T185] Call Trace:
[   11.765190][  T185]  <TASK>
[   11.765268][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.765395][  T185]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.765544][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.765650][  T185]  register_netdevice (net/core/dev.c:11488)
[   11.765775][  T185]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.765935][  T185]  register_netdev (net/core/dev.c:11552)
[   11.766062][  T185]  loopback_net_init (drivers/net/loopback.c:218)
[   11.766188][  T185]  ops_init (net/core/net_namespace.c:137)
[   11.766294][  T185]  setup_net (net/core/net_namespace.c:446)
[   11.766389][  T185]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.766724][  T185]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.766847][  T185]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.766973][  T185]  copy_net_ns (net/core/net_namespace.c:579)
[   11.767102][  T185]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.767237][  T185]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.767367][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.767501][  T185]  ksys_unshare (kernel/fork.c:3243)
[   11.767670][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.767817][  T185]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.767950][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   11.768083][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.768217][  T185]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.768393][  T185]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.768788][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.768913][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.769046][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.769168][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.769330][  T185] RIP: 0033:0x7fdfd8b51bcb
[   11.769489][  T185] 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
[   11.769935][  T185] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.770131][  T185] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   11.770329][  T185] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   11.770531][  T185] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   11.770720][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   11.770914][  T185] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   11.822957][  T186] ------------[ cut here ]------------
| [   11.823161][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [   11.823427][  T186] Modules linked in: veth
| [   11.823823][  T186] Tainted: [W]=WARN
[   11.823927][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.824143][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.824356][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.824895][  T186] RSP: 0018:ffa0000000686e30 EFLAGS: 00010286
[   11.825102][  T186] RAX: 00000000ffffffa6 RBX: ff1100000aa118c0 RCX: 1ff40000000d0d8c
[   11.825351][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa11978
[   11.825557][  T186] RBP: ff11000004bec000 R08: 1fe2200001542330 R09: ff1100000c4d2e80
[   11.825764][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.825964][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c20bc00
[   11.826166][  T186] FS:  00007f2b6529a840(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   11.826401][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.826570][  T186] CR2: 000000000042ebe0 CR3: 00000000057aa006 CR4: 0000000000771ef0
[   11.826771][  T186] PKRU: 55555554
[   11.826871][  T186] Call Trace:
[   11.826967][  T186]  <TASK>
[   11.827039][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.827179][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.827332][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.827436][  T186]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.827568][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.827716][  T186]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.827846][  T186]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.827972][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.828111][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.828251][  T186]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.828381][  T186]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.828521][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.828652][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.828778][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.828917][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.829051][  T186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.829188][  T186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.829324][  T186] veth_newlink (drivers/net/veth.c:1871) veth
[   11.829472][  T186]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.829636][  T186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.829764][  T186]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.829898][  T186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.830052][  T186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.830180][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.830332][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.830465][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.830600][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.830745][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.830881][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.831014][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.831141][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.831282][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.831423][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.831558][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.831688][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.831826][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.831958][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.832100][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.832256][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.832392][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.832530][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.832685][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.832856][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.833028][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.833159][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.833300][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.833434][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.833562][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.833691][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.833823][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.833955][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.834090][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.834223][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.834358][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.834498][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.834633][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.834780][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.834911][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.835046][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.835173][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.835340][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.835491][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.835622][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.835756][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.835902][  T186]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.836041][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.836178][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.836325][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.836493][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.836623][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.836751][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.836882][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.837018][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.837177][  T186] RIP: 0033:0x7f2b654d408e
[   11.837321][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.837809][  T186] RSP: 002b:00007ffd032f2050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.838025][  T186] RAX: ffffffffffffffda RBX: 00007ffd032f27e8 RCX: 00007f2b654d408e
[   11.838221][  T186] RDX: 0000000000000000 RSI: 00007ffd032f2100 RDI: 0000000000000005
[   11.838431][  T186] RBP: 00007ffd032f2060 R08: 0000000000000000 R09: 0000000000000000
[   11.838631][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   11.838825][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd032f27c0
| [   11.851217][  T186] ------------[ cut here ]------------
| [   11.851738][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [   11.852086][  T186] Modules linked in: veth
| [   11.852866][  T186] Tainted: [W]=WARN
[   11.853066][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.853383][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.853696][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.854313][  T186] RSP: 0018:ffa00000006871b0 EFLAGS: 00010286
[   11.854531][  T186] RAX: 00000000ffffffa6 RBX: ff11000004e9a740 RCX: 1ff40000000d0dfc
[   11.854772][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e9a7f8
[   11.855019][  T186] RBP: ff11000004be9000 R08: 1fe22000009d3500 R09: ff1100000c4d2e80
[   11.855268][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.855557][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.855832][  T186] FS:  00007f2b6529a840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   11.856211][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.856542][  T186] CR2: 00007f2b65737048 CR3: 00000000057aa006 CR4: 0000000000771ef0
[   11.856844][  T186] PKRU: 55555554
[   11.856988][  T186] Call Trace:
[   11.857130][  T186]  <TASK>
[   11.857256][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.857441][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.857589][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[   11.857766][  T186]  ? netif_change_name (net/core/dev.c:1495)
[   11.857944][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.858125][  T186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.858318][  T186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.858576][  T186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.858754][  T186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.858931][  T186]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.859111][  T186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.859310][  T186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.859494][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.859670][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.859848][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.860054][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.860277][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.860527][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.860780][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.861031][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.861289][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.861483][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.861658][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.861831][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.862008][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.862186][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.862399][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.862598][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.862783][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.862965][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.863148][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.863339][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.863525][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.863709][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.863889][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.864072][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.864269][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.864463][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.864647][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.864850][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.865110][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[   11.865348][  T186]  ___sys_sendmsg (net/socket.c:2752)
[   11.865560][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.865769][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.865989][  T186]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.866208][  T186]  __sys_sendmsg (net/socket.c:2784)
[   11.866442][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.866716][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.866964][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.867214][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.867482][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.867718][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.867900][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.868113][  T186] RIP: 0033:0x7f2b654d408e
[   11.868317][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.869015][  T186] RSP: 002b:00007ffd032f2050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.869362][  T186] RAX: ffffffffffffffda RBX: 00007ffd032f27e8 RCX: 00007f2b654d408e
[   11.869710][  T186] RDX: 0000000000000000 RSI: 00007ffd032f2100 RDI: 0000000000000005
[   11.870054][  T186] RBP: 00007ffd032f2060 R08: 0000000000000000 R09: 0000000000000000
[   11.870429][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   11.870789][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd032f27c0
| [   11.959050][  T190] ------------[ cut here ]------------
| [   11.959500][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/190
| [   11.959835][  T190] Modules linked in: veth
| [   11.960380][  T190] Tainted: [W]=WARN
[   11.960512][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.960751][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.961010][  T190] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.961698][  T190] RSP: 0018:ffa0000000607190 EFLAGS: 00010286
[   11.961965][  T190] RAX: 00000000ffffffa6 RBX: ff11000004e9b8c0 RCX: 1ff40000000c0df8
[   11.962264][  T190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e9b978
[   11.962550][  T190] RBP: ff11000004be9000 R08: 1fe22000009d3730 R09: ff1100000c170b58
[   11.962835][  T190] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.963149][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.963489][  T190] FS:  00007f71ed084840(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   11.963893][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.964173][  T190] CR2: 0000000026e75988 CR3: 0000000004df4006 CR4: 0000000000771ef0
[   11.964472][  T190] PKRU: 55555554
[   11.964619][  T190] Call Trace:
[   11.964763][  T190]  <TASK>
[   11.964864][  T190]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.965110][  T190]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.965342][  T190]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.965565][  T190]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.965783][  T190]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.966063][  T190]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   11.966288][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.966504][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.966690][  T190]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.966880][  T190]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.967070][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.967302][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.967491][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.967676][  T190]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.967862][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.968050][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.968247][  T190]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   11.968454][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.968639][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.968826][  T190]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.969015][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.969209][  T190]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.969413][  T190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.969602][  T190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.969790][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.969980][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.970174][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.970367][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.970592][  T190]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.970816][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.971034][  T190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.971263][  T190]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.971476][  T190]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.971694][  T190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.971891][  T190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.972082][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.972285][  T190]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.972482][  T190]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.972671][  T190]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.972861][  T190]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.973053][  T190]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.973391][  T190]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.973631][  T190]  ? move_addr_to_kernel (net/socket.c:258)
[   11.973824][  T190]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.974014][  T190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.974209][  T190]  ___sys_sendmsg (net/socket.c:2752)
[   11.974437][  T190]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.974683][  T190]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.974902][  T190]  __sys_sendmsg (net/socket.c:2784)
[   11.975072][  T190]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.975266][  T190]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.975517][  T190]  ? 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)
[   11.975724][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.975914][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.976109][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.976305][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.976515][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.976753][  T190] RIP: 0033:0x7f71ed2be08e
[   11.976954][  T190] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.977656][  T190] RSP: 002b:00007fff243fb400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.977942][  T190] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f71ed2be08e
[   11.978218][  T190] RDX: 0000000000000000 RSI: 00007fff243fb4b0 RDI: 0000000000000005
[   11.978503][  T190] RBP: 00007fff243fb410 R08: 0000000000000000 R09: 0000000000000000
[   11.978775][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   11.979046][  T190] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff243fbb70
| [   11.983964][  T190] ------------[ cut here ]------------
| [   11.984155][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/190
| [   11.984491][  T190] Modules linked in: veth
| [   11.985028][  T190] Tainted: [W]=WARN
[   11.985175][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.985422][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.985682][  T190] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.986364][  T190] RSP: 0018:ffa0000000607190 EFLAGS: 00010286
[   11.986629][  T190] RAX: 00000000ffffffa6 RBX: ff1100000c0a8580 RCX: 1ff40000000c0df8
[   11.986895][  T190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0a8638
[   11.987178][  T190] RBP: ff11000004bec000 R08: 1fe22000018150c8 R09: ff1100000c170b58
[   11.987475][  T190] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.987766][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.988047][  T190] FS:  00007f71ed084840(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   11.988382][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.988620][  T190] CR2: 0000000026e75988 CR3: 0000000004df4006 CR4: 0000000000771ef0
[   11.988895][  T190] PKRU: 55555554
[   11.989034][  T190] Call Trace:
[   11.989175][  T190]  <TASK>
[   11.989283][  T190]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.989526][  T190]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.989756][  T190]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.989949][  T190]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.990137][  T190]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.990392][  T190]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   11.990591][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.990779][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.990970][  T190]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.991160][  T190]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.991357][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.991580][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.991765][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.991959][  T190]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.992144][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.992339][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.992555][  T190]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   11.992746][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.992933][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.993124][  T190]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.993323][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.993519][  T190]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   11.993710][  T190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.993901][  T190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.994089][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.994288][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.994520][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.994710][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.994906][  T190]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.995102][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.995304][  T190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.995512][  T190]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.995710][  T190]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.995901][  T190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.996090][  T190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.996289][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.996481][  T190]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.996671][  T190]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.996865][  T190]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.997062][  T190]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.997259][  T190]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.997454][  T190]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.997688][  T190]  ? move_addr_to_kernel (net/socket.c:258)
[   11.997884][  T190]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.998070][  T190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.998269][  T190]  ___sys_sendmsg (net/socket.c:2752)
[   11.998460][  T190]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.998693][  T190]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.998909][  T190]  __sys_sendmsg (net/socket.c:2784)
[   11.999101][  T190]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.999300][  T190]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.999574][  T190]  ? 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)
[   11.999764][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.999956][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.000152][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.000352][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.000542][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.000776][  T190] RIP: 0033:0x7f71ed2be08e
[   12.000979][  T190] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.001679][  T190] RSP: 002b:00007fff243fb400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.001975][  T190] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f71ed2be08e
[   12.002273][  T190] RDX: 0000000000000000 RSI: 00007fff243fb4b0 RDI: 0000000000000005
[   12.002545][  T190] RBP: 00007fff243fb410 R08: 0000000000000000 R09: 0000000000000000
[   12.002823][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   12.003110][  T190] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff243fbb70
| [   12.058027][   T12] ------------[ cut here ]------------
| [   12.058218][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.058498][   T12] Modules linked in: veth
| [   12.058914][   T12] Tainted: [W]=WARN
[   12.059008][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.059154][   T12] Workqueue: netns cleanup_net
[   12.059295][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.059450][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.059870][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.060019][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c0a9380 RCX: 1ff4000000018ed5
[   12.060193][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0a9438
[   12.060373][   T12] RBP: ff1100000c319000 R08: 1fe2200001815288 R09: ff11000001afd1d0
[   12.060555][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.060730][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.060900][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   12.061102][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.061258][   T12] CR2: 00007fdfd8b51bc0 CR3: 0000000005bc3003 CR4: 0000000000771ef0
[   12.061442][   T12] PKRU: 55555554
[   12.061529][   T12] Call Trace:
[   12.061617][   T12]  <TASK>
[   12.061679][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.061829][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.061974][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.062095][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.062211][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.062335][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.062454][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.062569][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.062693][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.062817][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.062933][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.063055][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.063175][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.063297][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.063419][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.063533][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.063649][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.063766][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.063880][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.064000][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.064123][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.064242][   T12]  kthread (kernel/kthread.c:436)
[   12.064331][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.064479][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.064592][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.064707][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.064850][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.064967][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.065080][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.080713][  T192] ------------[ cut here ]------------
| [   12.080900][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ipmr/192
| [   12.081200][  T192] Modules linked in: veth
| [   12.081690][  T192] Tainted: [W]=WARN
[   12.081800][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.081983][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.082177][  T192] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.082703][  T192] RSP: 0018:ffa0000000587ab0 EFLAGS: 00010286
[   12.082885][  T192] RAX: 00000000ffffffa6 RBX: ff1100000c0a5c40 RCX: 1ff40000000b0f1c
[   12.083101][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0a5cf8
[   12.083319][  T192] RBP: ff1100000c321000 R08: 1fe2200001814ba0 R09: ff1100000d172e80
[   12.083540][  T192] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.083751][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c321000
[   12.083968][  T192] FS:  00007fdfd8a56740(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   12.084221][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.084407][  T192] CR2: 00007fdfd8c4bb20 CR3: 0000000005bc3002 CR4: 0000000000771ef0
[   12.084637][  T192] PKRU: 55555554
[   12.084744][  T192] Call Trace:
[   12.084851][  T192]  <TASK>
[   12.084927][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.085071][  T192]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.085215][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.085333][  T192]  register_netdevice (net/core/dev.c:11488)
[   12.085483][  T192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.085662][  T192]  register_netdev (net/core/dev.c:11552)
[   12.085802][  T192]  loopback_net_init (drivers/net/loopback.c:218)
[   12.085946][  T192]  ops_init (net/core/net_namespace.c:137)
[   12.086058][  T192]  setup_net (net/core/net_namespace.c:446)
[   12.086167][  T192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.086315][  T192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.086462][  T192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.086608][  T192]  copy_net_ns (net/core/net_namespace.c:579)
[   12.086756][  T192]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.086903][  T192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.087045][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.087187][  T192]  ksys_unshare (kernel/fork.c:3243)
[   12.087335][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.087485][  T192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.087628][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   12.087777][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.087925][  T192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.088068][  T192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.088211][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.088361][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.088518][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.088662][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.088849][  T192] RIP: 0033:0x7fdfd8b51bcb
[   12.089002][  T192] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.089531][  T192] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.089750][  T192] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   12.089966][  T192] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   12.090187][  T192] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   12.090407][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   12.090633][  T192] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   12.152441][  T193] ------------[ cut here ]------------
| [   12.152700][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [   12.153081][  T193] Modules linked in: veth
| [   12.153704][  T193] Tainted: [W]=WARN
[   12.153866][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.154136][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.154822][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.155777][  T193] RSP: 0018:ffa0000000656e30 EFLAGS: 00010286
[   12.156066][  T193] RAX: 00000000ffffffa6 RBX: ff1100000d27f1c0 RCX: 1ff40000000cad8c
[   12.156398][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d27f278
[   12.156717][  T193] RBP: ff11000007509000 R08: 1fe2200001a4fe50 R09: ff1100000d170b80
[   12.157040][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.157368][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d25e000
[   12.157696][  T193] FS:  00007f3391d18840(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   12.158072][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.158353][  T193] CR2: 000000000042ebe0 CR3: 000000000bcf4003 CR4: 0000000000771ef0
[   12.158679][  T193] PKRU: 55555554
[   12.158838][  T193] Call Trace:
[   12.159001][  T193]  <TASK>
[   12.159114][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.159349][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.160093][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.160276][  T193]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.160507][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   12.160732][  T193]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.160960][  T193]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.161186][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   12.161426][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.161652][  T193]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.161870][  T193]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.162091][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.162328][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.162554][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.162778][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.163001][  T193]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.163225][  T193]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.163683][  T193] veth_newlink (drivers/net/veth.c:1871) veth
[   12.163906][  T193]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.164175][  T193]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.164406][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.164633][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.164884][  T193]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.165109][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.165363][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.165590][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.165816][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.166042][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.166274][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.166496][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.166716][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.166944][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.167167][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.167399][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.167625][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.167856][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.168076][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.168301][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.168535][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.168757][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.168977][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.169196][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.169434][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.169655][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.169880][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.170102][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.170337][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.170567][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.170783][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.171010][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.171238][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.171466][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.171690][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.171913][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.172135][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.172366][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.172597][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.172824][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.173046][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.173278][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.173565][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   12.173794][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   12.174018][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.174250][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.174494][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.174718][  T193]  __sys_sendmsg (net/socket.c:2784)
[   12.174934][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.175158][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.175383][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.175606][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.175829][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.176061][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.176300][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.176591][  T193] RIP: 0033:0x7f3391f5208e
[   12.176832][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.177658][  T193] RSP: 002b:00007ffe8d635a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.178000][  T193] RAX: ffffffffffffffda RBX: 00007ffe8d6361b8 RCX: 00007f3391f5208e
[   12.178340][  T193] RDX: 0000000000000000 RSI: 00007ffe8d635ad0 RDI: 0000000000000005
[   12.178689][  T193] RBP: 00007ffe8d635a30 R08: 0000000000000000 R09: 0000000000000000
[   12.179027][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   12.179376][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8d636190
| [   12.209252][  T193] ------------[ cut here ]------------
| [   12.209558][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/193
| [   12.209986][  T193] Modules linked in: veth
| [   12.210678][  T193] Tainted: [W]=WARN
[   12.210876][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.211150][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.211472][  T193] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.212261][  T193] RSP: 0018:ffa00000006571b0 EFLAGS: 00010286
[   12.212547][  T193] RAX: 00000000ffffffa6 RBX: ff11000002642900 RCX: 1ff40000000cadfc
[   12.212879][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026429b8
[   12.213207][  T193] RBP: ff11000009dec000 R08: 1fe22000004c8538 R09: ff1100000d170b80
[   12.213560][  T193] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.213887][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.214214][  T193] FS:  00007f3391d18840(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   12.214616][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.214891][  T193] CR2: 000000000042ebe0 CR3: 000000000bcf4003 CR4: 0000000000771ef0
[   12.215226][  T193] PKRU: 55555554
[   12.215393][  T193] Call Trace:
[   12.215537][  T193]  <TASK>
[   12.215637][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.215851][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.216021][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[   12.216250][  T193]  ? netif_change_name (net/core/dev.c:1495)
[   12.216475][  T193]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.216686][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.216911][  T193]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.217140][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.217370][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.217594][  T193]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.217814][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.218046][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.218281][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.218505][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.218729][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.218952][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.219172][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.219396][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.219624][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.219852][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.220082][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.220308][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.220533][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.220748][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.220969][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.221185][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.221421][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.221639][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.221863][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.222087][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.222315][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.222555][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.222779][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.222997][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.223220][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.223513][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.223734][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.223960][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.224182][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.224422][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.224690][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   12.224917][  T193]  ___sys_sendmsg (net/socket.c:2752)
[   12.225134][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.225360][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.225604][  T193]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   12.225828][  T193]  __sys_sendmsg (net/socket.c:2784)
[   12.226050][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.226281][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.226505][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.226724][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.226939][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.227159][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.227388][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.227666][  T193] RIP: 0033:0x7f3391f5208e
[   12.227906][  T193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.228698][  T193] RSP: 002b:00007ffe8d635a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.229024][  T193] RAX: ffffffffffffffda RBX: 00007ffe8d6361b8 RCX: 00007f3391f5208e
[   12.229359][  T193] RDX: 0000000000000000 RSI: 00007ffe8d635ad0 RDI: 0000000000000005
[   12.229709][  T193] RBP: 00007ffe8d635a30 R08: 0000000000000000 R09: 0000000000000000
[   12.230034][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   12.230358][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8d636190
| [   12.259871][  T195] ------------[ cut here ]------------
| [   12.260093][  T195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ipmr/195
| [   12.260452][  T195] Modules linked in: veth
| [   12.260940][  T195] Tainted: [W]=WARN
[   12.261092][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.261408][  T195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.261698][  T195] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.262241][  T195] RSP: 0018:ffa0000000637ab0 EFLAGS: 00010286
[   12.262471][  T195] RAX: 00000000ffffffa6 RBX: ff11000009fec200 RCX: 1ff40000000c6f1c
[   12.262731][  T195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fec2b8
[   12.262985][  T195] RBP: ff1100000bdb9000 R08: 1fe22000013fd858 R09: ff11000004d8ae80
[   12.263249][  T195] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.263516][  T195] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bdb9000
[   12.263776][  T195] FS:  00007fdfd8a56740(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   12.264066][  T195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.264300][  T195] CR2: 00007fdfd8b51bc0 CR3: 000000000bcf4001 CR4: 0000000000771ef0
[   12.264563][  T195] PKRU: 55555554
[   12.264715][  T195] Call Trace:
[   12.264869][  T195]  <TASK>
[   12.264991][  T195]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.265184][  T195]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.265385][  T195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.265549][  T195]  register_netdevice (net/core/dev.c:11488)
[   12.265737][  T195]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.265958][  T195]  register_netdev (net/core/dev.c:11552)
[   12.266145][  T195]  loopback_net_init (drivers/net/loopback.c:218)
[   12.266347][  T195]  ops_init (net/core/net_namespace.c:137)
[   12.266512][  T195]  setup_net (net/core/net_namespace.c:446)
[   12.266665][  T195]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.266850][  T195]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.267037][  T195]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.267226][  T195]  copy_net_ns (net/core/net_namespace.c:579)
[   12.267434][  T195]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.267625][  T195]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.267813][  T195]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.267999][  T195]  ksys_unshare (kernel/fork.c:3243)
[   12.268186][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.268383][  T195]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.268577][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   12.268767][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.268957][  T195]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.269146][  T195]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.269345][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.269537][  T195]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.269724][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.269912][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.270130][  T195] RIP: 0033:0x7fdfd8b51bcb
[   12.270336][  T195] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.270869][  T195] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.271123][  T195] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   12.271390][  T195] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   12.271650][  T195] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   12.271902][  T195] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   12.272151][  T195] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   12.275392][   T12] ------------[ cut here ]------------
| [   12.275593][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.275977][   T12] Modules linked in: veth
| [   12.276633][   T12] Tainted: [W]=WARN
[   12.276788][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.277030][   T12] Workqueue: netns cleanup_net
[   12.277242][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.277509][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.278197][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.278463][   T12] RAX: 00000000ffffffa6 RBX: ff11000009fecac0 RCX: 1ff4000000018ed5
[   12.278753][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fecb78
[   12.279052][   T12] RBP: ff11000009dec000 R08: 1fe22000013fd970 R09: ff11000001afd1d0
[   12.279450][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.279745][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.280038][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   12.280393][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.280644][   T12] CR2: 00007fdfd8b51bc0 CR3: 000000000d1f2004 CR4: 0000000000771ef0
[   12.280941][   T12] PKRU: 55555554
[   12.281090][   T12] Call Trace:
[   12.281246][   T12]  <TASK>
[   12.281350][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.281605][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.281844][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.282037][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.282250][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.282450][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.282640][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.282835][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.283034][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.283241][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.283440][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.283628][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.283850][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.284046][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.284248][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.284452][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.284644][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.284841][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.285042][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.285243][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.285453][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.285652][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.285849][   T12]  kthread (kernel/kthread.c:436)
[   12.285996][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.286249][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.286445][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.286637][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.286876][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.287069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.287273][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.291646][   T12] ------------[ cut here ]------------
| [   12.291879][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.292270][   T12] Modules linked in: veth
| [   12.292859][   T12] Tainted: [W]=WARN
[   12.293007][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.293262][   T12] Workqueue: netns cleanup_net
[   12.293472][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.293728][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.294445][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.294691][   T12] RAX: 00000000ffffffa6 RBX: ff11000009fed1c0 RCX: 1ff4000000018ed5
[   12.294985][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fed278
[   12.295284][   T12] RBP: ff11000007509000 R08: 1fe22000013fda50 R09: ff11000001afd1d0
[   12.295574][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.295857][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.296145][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   12.296493][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.296736][   T12] CR2: 00007fdfd8b51bc0 CR3: 000000000d1f2004 CR4: 0000000000771ef0
[   12.297026][   T12] PKRU: 55555554
[   12.297172][   T12] Call Trace:
[   12.297329][   T12]  <TASK>
[   12.297437][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.297681][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.297910][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.298105][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.298316][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.298512][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.298703][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.298895][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.299067][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.299239][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.299451][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.299643][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.299841][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.300037][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.300240][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.300442][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.300630][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.300831][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.301027][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.301217][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.301432][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.301633][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.301822][   T12]  kthread (kernel/kthread.c:436)
[   12.301969][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.302214][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.302420][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.302614][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.302849][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.303039][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.303243][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.307299][   T12] ------------[ cut here ]------------
| [   12.307500][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.307873][   T12] Modules linked in: veth
| [   12.308481][   T12] Tainted: [W]=WARN
[   12.308803][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.309046][   T12] Workqueue: netns cleanup_net
[   12.309258][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.309532][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.310252][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.310500][   T12] RAX: 00000000ffffffa6 RBX: ff11000009fed8c0 RCX: 1ff4000000018ed5
[   12.310790][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fed978
[   12.311094][   T12] RBP: ff1100000c321000 R08: 1fe22000013fdb30 R09: ff11000001afd1d0
[   12.311402][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.311849][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.312149][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   12.312514][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.312756][   T12] CR2: 00007fdfd8b51bc0 CR3: 000000000d1f2004 CR4: 0000000000771ef0
[   12.313044][   T12] PKRU: 55555554
[   12.313192][   T12] Call Trace:
[   12.313492][   T12]  <TASK>
[   12.313596][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.313845][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.314083][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.314423][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.314631][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.314832][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.315029][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.315223][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.315432][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.315624][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.315815][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.316015][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.316363][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.316567][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.316759][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.316956][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.317429][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.317631][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.317830][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.318019][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.318219][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.318565][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.318758][   T12]  kthread (kernel/kthread.c:436)
[   12.318903][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.319288][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.319486][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.319814][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.320060][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.320263][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.320466][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.348288][  T196] ------------[ cut here ]------------
| [   12.348518][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/196
| [   12.348774][  T196] Modules linked in: veth
| [   12.349178][  T196] Tainted: [W]=WARN
[   12.349292][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.349474][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.349664][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.350163][  T196] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   12.350348][  T196] RAX: 00000000ffffffa6 RBX: ff1100000c59c580 RCX: 1ff4000000110d8c
[   12.350565][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c59c638
[   12.350780][  T196] RBP: ff1100000bff4000 R08: 1fe22000018b38c8 R09: ff1100000889d180
[   12.350990][  T196] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.351244][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009f5c080
[   12.351490][  T196] FS:  00007f2b99e85840(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   12.351740][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.351991][  T196] CR2: 00007fdfd8c0f0ba CR3: 0000000004bad004 CR4: 0000000000771ef0
[   12.352310][  T196] PKRU: 55555554
[   12.352477][  T196] Call Trace:
[   12.352636][  T196]  <TASK>
[   12.352749][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.352961][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.353176][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.353353][  T196]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.353537][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   12.353680][  T196]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.353820][  T196]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.353962][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   12.354108][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.354256][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.354393][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.354540][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.354687][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.354829][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.354978][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.355122][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.355273][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.355422][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[   12.355566][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.355740][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.355884][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.356031][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.356192][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.356341][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.356489][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.356631][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.356775][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.356919][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.357105][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.357331][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.357482][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.357629][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.357814][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.357961][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.358108][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.358257][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.358399][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.358598][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.358738][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.358888][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.359089][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.359238][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.359379][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.359548][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.359755][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.359973][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.360186][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.360422][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.360594][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.360791][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.360975][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.361119][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.361277][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.361427][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.361570][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.361714][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.361857][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.362016][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.362163][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.362359][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.362521][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.362698][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   12.362844][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   12.362986][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.363126][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.363296][  T196]  ? 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))
[   12.363496][  T196]  __sys_sendmsg (net/socket.c:2784)
[   12.363639][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.363783][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.363926][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.364069][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.364209][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.364363][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.364511][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.364692][  T196] RIP: 0033:0x7f2b9a0bf08e
[   12.364843][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.365378][  T196] RSP: 002b:00007fff1fa288e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.365645][  T196] RAX: ffffffffffffffda RBX: 00007fff1fa29078 RCX: 00007f2b9a0bf08e
[   12.365861][  T196] RDX: 0000000000000000 RSI: 00007fff1fa28990 RDI: 0000000000000005
[   12.366094][  T196] RBP: 00007fff1fa288f0 R08: 0000000000000000 R09: 0000000000000000
[   12.366313][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   12.366530][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1fa29050
| [   12.385214][  T196] ------------[ cut here ]------------
| [   12.385443][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/196
| [   12.385694][  T196] Modules linked in: veth
| [   12.386087][  T196] Tainted: [W]=WARN
[   12.386192][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.386849][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.387033][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.387549][  T196] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   12.387788][  T196] RAX: 00000000ffffffa6 RBX: ff1100000263f1c0 RCX: 1ff4000000110dfc
[   12.388021][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000263f278
[   12.388236][  T196] RBP: ff11000008321000 R08: 1fe22000004c7e50 R09: ff1100000889d180
[   12.388473][  T196] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.388722][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.389029][  T196] FS:  00007f2b99e85840(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   12.389420][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.389670][  T196] CR2: 00007fdfd8c0f0ba CR3: 0000000004bad004 CR4: 0000000000771ef0
[   12.389958][  T196] PKRU: 55555554
[   12.390068][  T196] Call Trace:
[   12.390171][  T196]  <TASK>
[   12.390250][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.390394][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.390510][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[   12.390649][  T196]  ? netif_change_name (net/core/dev.c:1495)
[   12.390811][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.390949][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.391091][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.391237][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.391376][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.391522][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.391662][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.391800][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.391997][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.392139][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.392287][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.392433][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.392584][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.392794][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.392948][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.393092][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.393240][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.393379][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.393533][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.393669][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.393816][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.394023][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.394160][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.394307][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.394450][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.394589][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.394729][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.394866][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.395006][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.395142][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.395285][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.395432][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.395571][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.395710][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.395876][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.396016][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.396153][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.396328][  T196]  ? move_addr_to_kernel (net/socket.c:258)
[   12.396474][  T196]  ___sys_sendmsg (net/socket.c:2752)
[   12.396610][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.396748][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.396896][  T196]  ? 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))
[   12.397036][  T196]  __sys_sendmsg (net/socket.c:2784)
[   12.397174][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.397318][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.397459][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.397596][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.397733][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.397879][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.398017][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.398190][  T196] RIP: 0033:0x7f2b9a0bf08e
[   12.398342][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.398834][  T196] RSP: 002b:00007fff1fa288e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.399046][  T196] RAX: ffffffffffffffda RBX: 00007fff1fa29078 RCX: 00007f2b9a0bf08e
[   12.399265][  T196] RDX: 0000000000000000 RSI: 00007fff1fa28990 RDI: 0000000000000005
[   12.399493][  T196] RBP: 00007fff1fa288f0 R08: 0000000000000000 R09: 0000000000000000
[   12.399696][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   12.399903][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1fa29050
| [   12.467344][   T12] ------------[ cut here ]------------
| [   12.467722][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.468169][   T12] Modules linked in: veth
| [   12.469047][   T12] Tainted: [W]=WARN
[   12.469212][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.469505][   T12] Workqueue: netns cleanup_net
[   12.469741][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.470043][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.470886][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.471190][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa2d000 RCX: 1ff4000000018ed5
[   12.471630][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa2d0b8
[   12.471975][   T12] RBP: ff11000008321000 R08: 1fe2200001545a18 R09: ff11000001afd1d0
[   12.472666][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.473001][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.473338][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   12.473711][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.473939][   T12] CR2: 00007f69b403a2a0 CR3: 0000000031b39002 CR4: 0000000000771ef0
[   12.474238][   T12] PKRU: 55555554
[   12.474380][   T12] Call Trace:
[   12.474532][   T12]  <TASK>
[   12.474636][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.474880][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.475111][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.475310][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.475512][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.475696][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.475881][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.476062][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.476257][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.476441][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.476624][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.476806][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.476998][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.477180][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.477374][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.477567][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.477753][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.477942][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.478133][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.478326][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.478525][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.478720][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.478907][   T12]  kthread (kernel/kthread.c:436)
[   12.479054][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.479295][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.479529][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.479731][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.479995][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.480181][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.480375][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.483726][   T12] ------------[ cut here ]------------
| [   12.483930][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   12.484351][   T12] Modules linked in: veth
| [   12.484909][   T12] Tainted: [W]=WARN
[   12.485075][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.485336][   T12] Workqueue: netns cleanup_net
[   12.485576][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.485841][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.486399][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.486643][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa2c040 RCX: 1ff4000000018ed5
[   12.486913][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa2c0f8
[   12.487179][   T12] RBP: ff1100000bff4000 R08: 1fe2200001545820 R09: ff11000001afd1d0
[   12.487467][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.487729][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.487996][   T12] FS:  0000000000000000(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   12.488313][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.488565][   T12] CR2: 00007f2dab78f2a0 CR3: 000000000d1f2005 CR4: 0000000000771ef0
[   12.488828][   T12] PKRU: 55555554
[   12.488992][   T12] Call Trace:
[   12.489158][   T12]  <TASK>
[   12.489302][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.489558][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.489808][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.489979][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.490146][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.490325][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.490494][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.490657][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.490818][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.490983][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.491149][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.491329][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.491503][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.491706][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.491913][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.492135][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.492358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.492582][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.492800][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.493008][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.493245][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.493461][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.493670][   T12]  kthread (kernel/kthread.c:436)
[   12.493845][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.494095][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.494315][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.494532][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.494779][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.494988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.495193][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.498421][   T12] ------------[ cut here ]------------
| [   12.498624][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   12.498972][   T12] Modules linked in: veth
| [   12.499579][   T12] Tainted: [W]=WARN
[   12.499716][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.499909][   T12] Workqueue: netns cleanup_net
[   12.500081][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.500294][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.500878][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.501129][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa2d380 RCX: 1ff4000000018ed5
[   12.501431][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa2d438
[   12.501709][   T12] RBP: ff1100000bdb9000 R08: 1fe2200001545a88 R09: ff11000001afd1d0
[   12.502011][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.502264][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.502492][   T12] FS:  0000000000000000(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   12.502757][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.503013][   T12] CR2: 00007f2dab78f2a0 CR3: 000000000d1f2005 CR4: 0000000000771ef0
[   12.503313][   T12] PKRU: 55555554
[   12.503492][   T12] Call Trace:
[   12.503658][   T12]  <TASK>
[   12.503788][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.504049][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.504309][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.504530][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.504737][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.504945][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.505155][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.505373][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.505582][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.505792][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.506002][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.506201][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.506433][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.506660][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.506826][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.506993][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.507160][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.507388][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.507624][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.507835][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.508005][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.508174][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.508356][   T12]  kthread (kernel/kthread.c:436)
[   12.508501][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.508695][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.508863][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.509030][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.509225][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.509403][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.509577][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.518810][  T201] ------------[ cut here ]------------
| [   12.518999][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ipmr/201
| [   12.519294][  T201] Modules linked in: veth
| [   12.519708][  T201] Tainted: [W]=WARN
[   12.519817][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.519995][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.520178][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.520685][  T201] RSP: 0018:ffa0000000537ab0 EFLAGS: 00010286
[   12.520865][  T201] RAX: 00000000ffffffa6 RBX: ff11000009ed4900 RCX: 1ff40000000a6f1c
[   12.521074][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ed49b8
[   12.521288][  T201] RBP: ff110000052e9000 R08: 1fe22000013da938 R09: ff1100000d1f8b80
[   12.521506][  T201] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.521726][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000052e9000
[   12.521936][  T201] FS:  00007fdfd8a56740(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   12.522181][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.522365][  T201] CR2: 00007fdfd8b51bc0 CR3: 000000000bc01006 CR4: 0000000000771ef0
[   12.522584][  T201] PKRU: 55555554
[   12.522689][  T201] Call Trace:
[   12.522796][  T201]  <TASK>
[   12.522869][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.523011][  T201]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.523151][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.523262][  T201]  register_netdevice (net/core/dev.c:11488)
[   12.523404][  T201]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.523588][  T201]  register_netdev (net/core/dev.c:11552)
[   12.523729][  T201]  loopback_net_init (drivers/net/loopback.c:218)
[   12.523962][  T201]  ops_init (net/core/net_namespace.c:137)
[   12.524068][  T201]  setup_net (net/core/net_namespace.c:446)
[   12.524166][  T201]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.524303][  T201]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.524440][  T201]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.524571][  T201]  copy_net_ns (net/core/net_namespace.c:579)
[   12.524699][  T201]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.524830][  T201]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.524964][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.525103][  T201]  ksys_unshare (kernel/fork.c:3243)
[   12.525243][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.525379][  T201]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.525512][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   12.525656][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.525793][  T201]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.525921][  T201]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.526052][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.526178][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.526315][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.526458][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.526619][  T201] RIP: 0033:0x7fdfd8b51bcb
[   12.526754][  T201] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.527213][  T201] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.527419][  T201] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   12.527610][  T201] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   12.527807][  T201] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   12.528003][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   12.528193][  T201] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   12.569894][  T202] ------------[ cut here ]------------
| [   12.570151][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/202
| [   12.570534][  T202] Modules linked in: veth
| [   12.571132][  T202] Tainted: [W]=WARN
[   12.571705][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.571971][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.572264][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.572933][  T202] RSP: 0018:ffa00000006a6e30 EFLAGS: 00010286
[   12.573250][  T202] RAX: 00000000ffffffa6 RBX: ff11000009fea900 RCX: 1ff40000000d4d8c
[   12.573594][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fea9b8
[   12.573936][  T202] RBP: ff1100000f0ec000 R08: 1fe22000013fd538 R09: ff1100000f0c8b80
[   12.574281][  T202] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.574612][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f1ee00
[   12.574934][  T202] FS:  00007fa23652e840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   12.575306][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.575590][  T202] CR2: 000000000042ebe0 CR3: 0000000009aa1002 CR4: 0000000000771ef0
[   12.575904][  T202] PKRU: 55555554
[   12.576099][  T202] Call Trace:
[   12.576300][  T202]  <TASK>
[   12.576453][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.576698][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.576890][  T202]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.577169][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[   12.577421][  T202]  ? netif_change_name (net/core/dev.c:1495)
[   12.577652][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.577883][  T202]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.578110][  T202]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.578352][  T202]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.578593][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.578831][  T202]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.579061][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.579300][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.579552][  T202]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.579783][  T202] veth_newlink (drivers/net/veth.c:1871) veth
[   12.580010][  T202]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.580281][  T202]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.580514][  T202]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.580743][  T202]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.580983][  T202]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.581204][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.581447][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.581672][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.581896][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.582126][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.582362][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.582602][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.582833][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.583067][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.583315][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.583560][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.583795][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.584035][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.584277][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.584510][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.584745][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.584984][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.585217][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.585466][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.585701][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.585933][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.586163][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.586402][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.586643][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.586874][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.587110][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.587361][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.587602][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.587829][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.588062][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.588303][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.588562][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.588789][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.589015][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.589258][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.589501][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.589730][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.589988][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[   12.590213][  T202]  ___sys_sendmsg (net/socket.c:2752)
[   12.590452][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.590678][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.590918][  T202]  ? 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))
[   12.591148][  T202]  __sys_sendmsg (net/socket.c:2784)
[   12.591387][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.591625][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.591847][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.592077][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.592315][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.592548][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.592777][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.593043][  T202] RIP: 0033:0x7fa23676808e
[   12.593285][  T202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.593934][  T202] RSP: 002b:00007ffde81024c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.594265][  T202] RAX: ffffffffffffffda RBX: 00007ffde8102c58 RCX: 00007fa23676808e
[   12.594581][  T202] RDX: 0000000000000000 RSI: 00007ffde8102570 RDI: 0000000000000005
[   12.594888][  T202] RBP: 00007ffde81024d0 R08: 0000000000000000 R09: 0000000000000000
[   12.595196][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   12.595535][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde8102c30
| [   12.607400][  T202] ------------[ cut here ]------------
| [   12.607640][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [   12.608027][  T202] Modules linked in: veth
| [   12.608670][  T202] Tainted: [W]=WARN
[   12.608830][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.609102][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.609403][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.610164][  T202] RSP: 0018:ffa00000006a71b0 EFLAGS: 00010286
[   12.610453][  T202] RAX: 00000000ffffffa6 RBX: ff1100000ab4f700 RCX: 1ff40000000d4dfc
[   12.610767][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ab4f7b8
[   12.611080][  T202] RBP: ff1100000f0e9000 R08: 1fe2200001569ef8 R09: ff1100000f0c8b80
[   12.611403][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.611715][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.612029][  T202] FS:  00007fa23652e840(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   12.612398][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.612667][  T202] CR2: 00007fdfd8ac90a0 CR3: 0000000009aa1005 CR4: 0000000000771ef0
[   12.612983][  T202] PKRU: 55555554
[   12.613142][  T202] Call Trace:
[   12.613305][  T202]  <TASK>
[   12.613420][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.613639][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.613804][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[   12.614014][  T202]  ? netif_change_name (net/core/dev.c:1495)
[   12.614220][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.614438][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.614658][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.614870][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.615085][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.615299][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.615516][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.615736][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.615949][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.616158][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.616376][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.616596][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.616801][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.617008][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.617224][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.617449][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.617655][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.617852][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.618062][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.618285][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.618500][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.618705][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.618908][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.619114][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.619334][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.619555][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.619764][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.619983][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.620195][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.620417][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.620625][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.620831][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.621037][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.621254][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.621474][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.621688][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.621948][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[   12.622164][  T202]  ___sys_sendmsg (net/socket.c:2752)
[   12.622384][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.622605][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.622839][  T202]  ? 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))
[   12.623063][  T202]  __sys_sendmsg (net/socket.c:2784)
[   12.623281][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.623503][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.623713][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.623925][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.624132][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.624345][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.624562][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.624825][  T202] RIP: 0033:0x7fa23676808e
[   12.625050][  T202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.625845][  T202] RSP: 002b:00007ffde81024c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.626183][  T202] RAX: ffffffffffffffda RBX: 00007ffde8102c58 RCX: 00007fa23676808e
[   12.626528][  T202] RDX: 0000000000000000 RSI: 00007ffde8102570 RDI: 0000000000000005
[   12.626866][  T202] RBP: 00007ffde81024d0 R08: 0000000000000000 R09: 0000000000000000
[   12.627189][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb5f
[   12.627516][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde8102c30
| [   12.724063][  T207] ------------[ cut here ]------------
| [   12.724353][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ipmr/207
| [   12.724782][  T207] Modules linked in: veth
| [   12.725491][  T207] Tainted: [W]=WARN
[   12.725655][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.725916][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.726195][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.726960][  T207] RSP: 0018:ffa0000000657ab0 EFLAGS: 00010286
[   12.727250][  T207] RAX: 00000000ffffffa6 RBX: ff11000004a66040 RCX: 1ff40000000caf1c
[   12.727589][  T207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a660f8
[   12.727907][  T207] RBP: ff1100000d149000 R08: 1fe220000094cc20 R09: ff1100000c1fd180
[   12.728224][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.728559][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d149000
[   12.728872][  T207] FS:  00007fdfd8a56740(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   12.729241][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.729510][  T207] CR2: 00007fdfd8ac90a0 CR3: 00000000024b3003 CR4: 0000000000771ef0
[   12.729817][  T207] PKRU: 55555554
[   12.729972][  T207] Call Trace:
[   12.730125][  T207]  <TASK>
[   12.730243][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.730460][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.730670][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.730826][  T207]  register_netdevice (net/core/dev.c:11488)
[   12.731029][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   12.731304][  T207]  register_netdev (net/core/dev.c:11552)
[   12.731517][  T207]  loopback_net_init (drivers/net/loopback.c:218)
[   12.731725][  T207]  ops_init (net/core/net_namespace.c:137)
[   12.731886][  T207]  setup_net (net/core/net_namespace.c:446)
[   12.732041][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   12.732256][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   12.732468][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   12.732669][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[   12.732873][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.733083][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.733296][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.733509][  T207]  ksys_unshare (kernel/fork.c:3243)
[   12.733726][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.733929][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   12.734129][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   12.734346][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.734561][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.734767][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   12.734969][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.735177][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.735384][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.735594][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.735852][  T207] RIP: 0033:0x7fdfd8b51bcb
[   12.736072][  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
[   12.736816][  T207] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.737130][  T207] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   12.737449][  T207] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   12.737755][  T207] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   12.738065][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   12.738381][  T207] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   12.741872][   T12] ------------[ cut here ]------------
| [   12.742080][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.742464][   T12] Modules linked in: veth
| [   12.743055][   T12] Tainted: [W]=WARN
[   12.743201][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.743450][   T12] Workqueue: netns cleanup_net
[   12.743644][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.743893][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.744567][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.744812][   T12] RAX: 00000000ffffffa6 RBX: ff11000004b19380 RCX: 1ff4000000018ed5
[   12.745089][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b19438
[   12.745382][   T12] RBP: ff1100000f0e9000 R08: 1fe2200000963288 R09: ff11000001afd1d0
[   12.745668][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.745944][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.746219][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   12.746555][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.746784][   T12] CR2: 00007efc0ceab8f4 CR3: 0000000031b39003 CR4: 0000000000771ef0
[   12.747068][   T12] PKRU: 55555554
[   12.747205][   T12] Call Trace:
[   12.747354][   T12]  <TASK>
[   12.747462][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.747702][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.747935][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.748120][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.748323][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.748514][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.748700][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.748885][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.749070][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.749272][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.749468][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.749657][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.749841][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.750026][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.750208][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.750406][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.750595][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.750784][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.750976][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.751159][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.751359][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.751560][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.751744][   T12]  kthread (kernel/kthread.c:436)
[   12.751886][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.752114][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.752307][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.752497][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.752722][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.752906][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.753092][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.757162][   T12] ------------[ cut here ]------------
| [   12.757426][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   12.757795][   T12] Modules linked in: veth
| [   12.758408][   T12] Tainted: [W]=WARN
[   12.758552][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.758788][   T12] Workqueue: netns cleanup_net
[   12.759021][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.759286][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.760019][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.760395][   T12] RAX: 00000000ffffffa6 RBX: ff11000004b198c0 RCX: 1ff4000000018ed5
[   12.760697][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b19978
[   12.760968][   T12] RBP: ff1100000f0ec000 R08: 1fe2200000963330 R09: ff11000001afd1d0
[   12.761406][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.761686][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.761954][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   12.762374][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.762636][   T12] CR2: 00007efc0ceab8f4 CR3: 0000000031b39003 CR4: 0000000000771ef0
[   12.762908][   T12] PKRU: 55555554
[   12.763048][   T12] Call Trace:
[   12.763177][   T12]  <TASK>
[   12.763365][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.763629][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.763856][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.764041][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.764353][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.764544][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.764730][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.764909][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.765089][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.765371][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.765563][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.765744][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.765938][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.766119][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.766390][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.766582][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.766765][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.766950][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.767143][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.767417][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.767631][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.767828][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.768009][   T12]  kthread (kernel/kthread.c:436)
[   12.768149][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.768473][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.768663][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.768846][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.769073][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.769345][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.769531][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.773513][   T12] ------------[ cut here ]------------
| [   12.773682][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   12.773928][   T12] Modules linked in: veth
| [   12.774337][   T12] Tainted: [W]=WARN
[   12.774450][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.774607][   T12] Workqueue: netns cleanup_net
[   12.774738][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.774902][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.775353][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.775520][   T12] RAX: 00000000ffffffa6 RBX: ff11000004b18e40 RCX: 1ff4000000018ed5
[   12.775704][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b18ef8
[   12.775890][   T12] RBP: ff110000052e9000 R08: 1fe22000009631e0 R09: ff11000001afd1d0
[   12.776075][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.776271][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.776460][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   12.776678][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.776838][   T12] CR2: 00007fdfd8c0f0ba CR3: 00000000024b3003 CR4: 0000000000771ef0
[   12.777025][   T12] PKRU: 55555554
[   12.777118][   T12] Call Trace:
[   12.777212][   T12]  <TASK>
[   12.777285][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.777452][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.777603][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.777729][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.777857][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.777982][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.778105][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.778235][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.778357][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.778489][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.778619][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.778746][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.778871][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.778997][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.779119][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.779247][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.779368][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.779504][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.779629][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.779751][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.779880][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.780005][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.780128][   T12]  kthread (kernel/kthread.c:436)
[   12.780219][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.780375][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.780506][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.780635][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.780785][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.780906][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.781034][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.813364][  T208] ------------[ cut here ]------------
| [   12.813647][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/208
| [   12.814042][  T208] Modules linked in: veth
| [   12.814881][  T208] Tainted: [W]=WARN
[   12.815075][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.815359][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.815646][  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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.816316][  T208] RSP: 0018:ffa0000000886e30 EFLAGS: 00010286
[   12.816605][  T208] RAX: 00000000ffffffa6 RBX: ff11000004b7b700 RCX: 1ff4000000110d8c
[   12.816921][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b7b7b8
[   12.817314][  T208] RBP: ff1100000c03c000 R08: 1fe220000096f6f8 R09: ff11000004d0ae80
[   12.817602][  T208] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.817849][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aaa6380
[   12.818103][  T208] FS:  00007f8be5155840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   12.818480][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.818753][  T208] CR2: 000000000042ebe0 CR3: 000000000e01f006 CR4: 0000000000771ef0
[   12.819072][  T208] PKRU: 55555554
[   12.819269][  T208] Call Trace:
[   12.819460][  T208]  <TASK>
[   12.819605][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.819835][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.820071][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.820272][  T208]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.820512][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[   12.820737][  T208]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.820963][  T208]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.821191][  T208]  ? netif_change_name (net/core/dev.c:1495)
[   12.821431][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.821657][  T208]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.821879][  T208]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.822109][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.822355][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.822590][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.822822][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.823048][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.823286][  T208]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.823528][  T208] veth_newlink (drivers/net/veth.c:1871) veth
[   12.823761][  T208]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   12.824023][  T208]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.824260][  T208]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.824492][  T208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.824739][  T208]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.824964][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.825194][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.825442][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.825672][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.825903][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.826128][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.826365][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.826600][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.826835][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.827067][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.827309][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.827537][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.827764][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.827990][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.828208][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.828458][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.828697][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.828937][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.829117][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.829313][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.829501][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.829684][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.829865][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.830053][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.830248][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.830442][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.830628][  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))
[   12.830811][  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))
[   12.830999][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.831183][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.831377][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.831567][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.831753][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.831936][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.832122][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.832317][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.832507][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.832720][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[   12.832906][  T208]  ___sys_sendmsg (net/socket.c:2752)
[   12.833088][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.833285][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.833484][  T208]  ? 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))
[   12.833668][  T208]  __sys_sendmsg (net/socket.c:2784)
[   12.833851][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.834037][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.834220][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.834474][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.834710][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.834942][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.835176][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.835476][  T208] RIP: 0033:0x7f8be538f08e
[   12.835714][  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
[   12.836375][  T208] RSP: 002b:00007ffc33cfbd20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.836696][  T208] RAX: ffffffffffffffda RBX: 00007ffc33cfc4b8 RCX: 00007f8be538f08e
[   12.836999][  T208] RDX: 0000000000000000 RSI: 00007ffc33cfbdd0 RDI: 0000000000000005
[   12.837320][  T208] RBP: 00007ffc33cfbd30 R08: 0000000000000000 R09: 0000000000000000
[   12.837642][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb60
[   12.837947][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc33cfc490
| [   12.848432][  T208] ------------[ cut here ]------------
| [   12.849027][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/208
| [   12.849426][  T208] Modules linked in: veth
| [   12.850007][  T208] Tainted: [W]=WARN
[   12.850215][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.850503][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.850783][  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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.851362][  T208] RSP: 0018:ffa00000008871b0 EFLAGS: 00010286
[   12.851641][  T208] RAX: 00000000ffffffa6 RBX: ff11000008fc7540 RCX: 1ff4000000110dfc
[   12.851935][  T208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fc75f8
[   12.852251][  T208] RBP: ff1100000bfb1000 R08: 1fe22000011f8ec0 R09: ff11000004d0ae80
[   12.852556][  T208] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.852857][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.853166][  T208] FS:  00007f8be5155840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   12.853524][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.853796][  T208] CR2: 000000000042ebe0 CR3: 000000000e01f006 CR4: 0000000000771ef0
[   12.854108][  T208] PKRU: 55555554
[   12.854323][  T208] Call Trace:
[   12.854530][  T208]  <TASK>
[   12.854702][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.854939][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.855150][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[   12.855399][  T208]  ? netif_change_name (net/core/dev.c:1495)
[   12.855643][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.855880][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.856121][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.856375][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.856622][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.856855][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.857035][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.857223][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.857431][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.857615][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.857793][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.857974][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.858153][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.858391][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.858628][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.858851][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.859082][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.859325][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.859551][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.859774][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.860000][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.860219][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.860466][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.860692][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.860912][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.861141][  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))
[   12.861373][  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))
[   12.861611][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.861835][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.862058][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.862300][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.862556][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.862752][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.862933][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.863114][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.863304][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.863524][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[   12.863709][  T208]  ___sys_sendmsg (net/socket.c:2752)
[   12.863884][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.864069][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.864273][  T208]  ? 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))
[   12.864468][  T208]  __sys_sendmsg (net/socket.c:2784)
[   12.864650][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.864835][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.865019][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.865201][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.865394][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.865592][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.865779][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.865996][  T208] RIP: 0033:0x7f8be538f08e
[   12.866184][  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
[   12.866727][  T208] RSP: 002b:00007ffc33cfbd20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.866971][  T208] RAX: ffffffffffffffda RBX: 00007ffc33cfc4b8 RCX: 00007f8be538f08e
[   12.867219][  T208] RDX: 0000000000000000 RSI: 00007ffc33cfbdd0 RDI: 0000000000000005
[   12.867484][  T208] RBP: 00007ffc33cfbd30 R08: 0000000000000000 R09: 0000000000000000
[   12.867731][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb60
[   12.867979][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc33cfc490
| [   12.953877][   T12] ------------[ cut here ]------------
| [   12.954055][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   12.954351][   T12] Modules linked in: veth
| [   12.954771][   T12] Tainted: [W]=WARN
[   12.954877][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.955064][   T12] Workqueue: netns cleanup_net
[   12.955213][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.955397][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.955889][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.956059][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa11a80 RCX: 1ff4000000018ed5
[   12.956257][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa11b38
[   12.956454][   T12] RBP: ff1100000bfb1000 R08: 1fe2200001542368 R09: ff11000001afd1d0
[   12.956647][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.956844][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.957057][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   12.957287][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.957453][   T12] CR2: 00007fdfd8c4bb20 CR3: 000000000c672002 CR4: 0000000000771ef0
[   12.957657][   T12] PKRU: 55555554
[   12.957751][   T12] Call Trace:
[   12.957852][   T12]  <TASK>
[   12.957921][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.958095][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.958256][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.958385][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.958529][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.958660][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.958789][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.958908][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.959037][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.959170][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.959307][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.959446][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.959582][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.959709][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.959837][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.959972][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.960103][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.960241][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.960372][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.960505][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.960632][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.960762][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.960886][   T12]  kthread (kernel/kthread.c:436)
[   12.960980][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.961139][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.961267][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.961393][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.961553][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.961675][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.961799][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.964447][   T12] ------------[ cut here ]------------
| [   12.964589][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   12.964842][   T12] Modules linked in: veth
| [   12.965260][   T12] Tainted: [W]=WARN
[   12.965350][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.965507][   T12] Workqueue: netns cleanup_net
[   12.965639][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.965796][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.966236][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.966389][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa10900 RCX: 1ff4000000018ed5
[   12.966570][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa109b8
[   12.966743][   T12] RBP: ff1100000c03c000 R08: 1fe2200001542138 R09: ff11000001afd1d0
[   12.966920][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.967102][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.967284][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   12.967497][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.967647][   T12] CR2: 00007fdfd8c4bb20 CR3: 000000000c672002 CR4: 0000000000771ef0
[   12.967828][   T12] PKRU: 55555554
[   12.967923][   T12] Call Trace:
[   12.968017][   T12]  <TASK>
[   12.968088][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.968255][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.968400][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.968526][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.968650][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.968768][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.968885][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.969002][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.969120][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.969255][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.969375][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.969497][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.969619][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.969737][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.969858][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.969981][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.970098][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.970219][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.970346][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.970469][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.970592][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.970713][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.970830][   T12]  kthread (kernel/kthread.c:436)
[   12.970919][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.971067][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.971185][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.971309][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.971457][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.971576][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.971694][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.974277][   T12] ------------[ cut here ]------------
| [   12.974403][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   12.974651][   T12] Modules linked in: veth
| [   12.975028][   T12] Tainted: [W]=WARN
[   12.975124][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.975287][   T12] Workqueue: netns cleanup_net
[   12.975412][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.975574][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.976007][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   12.976171][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa10200 RCX: 1ff4000000018ed5
[   12.976351][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa102b8
[   12.976536][   T12] RBP: ff1100000d149000 R08: 1fe2200001542058 R09: ff11000001afd1d0
[   12.976710][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.976890][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.977070][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   12.977288][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.977449][   T12] CR2: 00007fdfd8c4bb20 CR3: 000000000c672002 CR4: 0000000000771ef0
[   12.977627][   T12] PKRU: 55555554
[   12.977715][   T12] Call Trace:
[   12.977805][   T12]  <TASK>
[   12.977868][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.978021][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.978169][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.978303][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.978437][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.978558][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.978675][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.978795][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.978917][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.979040][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.979164][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.979287][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.979416][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   12.979534][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.979655][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.979774][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.979889][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.980007][   T12]  process_one_work (kernel/workqueue.c:3314)
[   12.980129][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.980255][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.980376][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.980502][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.980620][   T12]  kthread (kernel/kthread.c:436)
[   12.980710][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.980856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.980974][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.981095][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.981249][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.981367][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.981490][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.995327][  T213] ------------[ cut here ]------------
| [   12.995591][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ipmr/213
| [   12.996026][  T213] Modules linked in: veth
| [   12.996649][  T213] Tainted: [W]=WARN
[   12.996816][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.997091][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.997385][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.998153][  T213] RSP: 0018:ffa00000006b7ab0 EFLAGS: 00010286
[   12.998443][  T213] RAX: 00000000ffffffa6 RBX: ff11000008e62ac0 RCX: 1ff40000000d6f1c
[   12.998767][  T213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008e62b78
[   12.999088][  T213] RBP: ff11000009ccc000 R08: 1fe22000011cc570 R09: ff1100000c40d180
[   12.999419][  T213] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.999731][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ccc000
[   13.000009][  T213] FS:  00007fdfd8a56740(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   13.000406][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.000693][  T213] CR2: 00007fdfd8b51bc0 CR3: 000000000bc01006 CR4: 0000000000771ef0
[   13.001029][  T213] PKRU: 55555554
[   13.001192][  T213] Call Trace:
[   13.001371][  T213]  <TASK>
[   13.001490][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.001703][  T213]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.001920][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.002084][  T213]  register_netdevice (net/core/dev.c:11488)
[   13.002311][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.002594][  T213]  register_netdev (net/core/dev.c:11552)
[   13.002807][  T213]  loopback_net_init (drivers/net/loopback.c:218)
[   13.003022][  T213]  ops_init (net/core/net_namespace.c:137)
[   13.003194][  T213]  setup_net (net/core/net_namespace.c:446)
[   13.003372][  T213]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.003589][  T213]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.003802][  T213]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.004013][  T213]  copy_net_ns (net/core/net_namespace.c:579)
[   13.004226][  T213]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.004457][  T213]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.004669][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.004881][  T213]  ksys_unshare (kernel/fork.c:3243)
[   13.005089][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.005306][  T213]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.005523][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   13.005734][  T213]  ? 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)
[   13.005943][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.006160][  T213]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.006378][  T213]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.006590][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.006797][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.007005][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.007217][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.007494][  T213] RIP: 0033:0x7fdfd8b51bcb
[   13.007711][  T213] 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
[   13.008463][  T213] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.008779][  T213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   13.009090][  T213] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   13.009421][  T213] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   13.009731][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   13.010046][  T213] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   13.061999][  T214] ------------[ cut here ]------------
| [   13.062310][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   13.062711][  T214] Modules linked in: veth
| [   13.063254][  T214] Tainted: [W]=WARN
[   13.063401][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.063628][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.063854][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.064402][  T214] RSP: 0018:ffa0000000576e30 EFLAGS: 00010286
[   13.064633][  T214] RAX: 00000000ffffffa6 RBX: ff11000004e9a740 RCX: 1ff40000000aed8c
[   13.064886][  T214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e9a7f8
[   13.065130][  T214] RBP: ff1100000c4a4000 R08: 1fe22000009d3500 R09: ff1100000d1fae80
[   13.065390][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.065645][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c7ace80
[   13.065894][  T214] FS:  00007fd009c42840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   13.066178][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.066411][  T214] CR2: 000000000042ebe0 CR3: 000000000d21b006 CR4: 0000000000771ef0
[   13.066674][  T214] PKRU: 55555554
[   13.066821][  T214] Call Trace:
[   13.066971][  T214]  <TASK>
[   13.067090][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.067288][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.067488][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.067684][  T214]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   13.067914][  T214]  __dev_notify_flags (net/core/dev.c:9787)
[   13.068142][  T214]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   13.068396][  T214]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   13.068652][  T214]  ? netif_change_name (net/core/dev.c:1495)
[   13.068834][  T214]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.069019][  T214]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.069201][  T214]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.069397][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.069589][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.069769][  T214]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.069954][  T214]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.070135][  T214]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.070326][  T214]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.070519][  T214] veth_newlink (drivers/net/veth.c:1871) veth
[   13.070708][  T214]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   13.070924][  T214]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.071113][  T214]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.071308][  T214]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.071514][  T214]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.071694][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.071879][  T214]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.072063][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.072261][  T214]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.072451][  T214]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.072636][  T214]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.072818][  T214]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.072999][  T214]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.073187][  T214]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.073387][  T214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.073580][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.073762][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.073945][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.074124][  T214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.074313][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.074503][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.074685][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.074871][  T214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.075056][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.075251][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.075438][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.075624][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.075803][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.076038][  T214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.076281][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.076519][  T214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.076755][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.076983][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.077222][  T214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.077472][  T214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.077706][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.077940][  T214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.078170][  T214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.078410][  T214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.078665][  T214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.078899][  T214]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.079130][  T214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.079410][  T214]  ? move_addr_to_kernel (net/socket.c:258)
[   13.079651][  T214]  ___sys_sendmsg (net/socket.c:2752)
[   13.079881][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.080109][  T214]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.080360][  T214]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.080605][  T214]  __sys_sendmsg (net/socket.c:2784)
[   13.080835][  T214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.081073][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.081313][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.081553][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.081780][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.082005][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.082250][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.082543][  T214] RIP: 0033:0x7fd009e7c08e
[   13.082775][  T214] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.083451][  T214] RSP: 002b:00007fff3874af00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.083763][  T214] RAX: ffffffffffffffda RBX: 00007fff3874b698 RCX: 00007fd009e7c08e
[   13.084087][  T214] RDX: 0000000000000000 RSI: 00007fff3874afb0 RDI: 0000000000000005
[   13.084411][  T214] RBP: 00007fff3874af10 R08: 0000000000000000 R09: 0000000000000000
[   13.084730][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb60
[   13.085044][  T214] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3874b670
| [   13.094280][  T214] ------------[ cut here ]------------
| [   13.094515][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   13.094868][  T214] Modules linked in: veth
| [   13.095475][  T214] Tainted: [W]=WARN
[   13.095660][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.095928][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.096203][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.097481][  T214] RSP: 0018:ffa00000005771b0 EFLAGS: 00010286
[   13.097816][  T214] RAX: 00000000ffffffa6 RBX: ff11000005bf4e40 RCX: 1ff40000000aedfc
[   13.098187][  T214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005bf4ef8
[   13.098572][  T214] RBP: ff1100000bf29000 R08: 1fe2200000b7e9e0 R09: ff1100000d1fae80
[   13.098951][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.099328][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.099704][  T214] FS:  00007fd009c42840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   13.100119][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.100466][  T214] CR2: 000000000042ebe0 CR3: 000000000d21b006 CR4: 0000000000771ef0
[   13.100832][  T214] PKRU: 55555554
[   13.101073][  T214] Call Trace:
[   13.101325][  T214]  <TASK>
[   13.101535][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.101826][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.102078][  T214]  __dev_notify_flags (net/core/dev.c:9787)
[   13.102378][  T214]  ? netif_change_name (net/core/dev.c:1495)
[   13.102671][  T214]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.102960][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.103263][  T214]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.103557][  T214]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.103842][  T214]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.104131][  T214]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.104439][  T214]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.104731][  T214]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.105059][  T214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.105412][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.105731][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.105993][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.106248][  T214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.106496][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.106738][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.106980][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.107218][  T214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.107474][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.107714][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.107952][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.108194][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.108453][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.108696][  T214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.108934][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.109173][  T214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.109430][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.109666][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.109905][  T214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.110150][  T214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.110401][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.110651][  T214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.110852][  T214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.111030][  T214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.111212][  T214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.111404][  T214]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.111582][  T214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.111795][  T214]  ? move_addr_to_kernel (net/socket.c:258)
[   13.111979][  T214]  ___sys_sendmsg (net/socket.c:2752)
[   13.112151][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.112345][  T214]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.112540][  T214]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.112722][  T214]  __sys_sendmsg (net/socket.c:2784)
[   13.112900][  T214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.113088][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.113282][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.113478][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.113660][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.113841][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.114023][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.114245][  T214] RIP: 0033:0x7fd009e7c08e
[   13.114437][  T214] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.114954][  T214] RSP: 002b:00007fff3874af00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.115204][  T214] RAX: ffffffffffffffda RBX: 00007fff3874b698 RCX: 00007fd009e7c08e
[   13.115471][  T214] RDX: 0000000000000000 RSI: 00007fff3874afb0 RDI: 0000000000000005
[   13.115719][  T214] RBP: 00007fff3874af10 R08: 0000000000000000 R09: 0000000000000000
[   13.115965][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb60
[   13.116211][  T214] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3874b670
| [   13.179974][   T12] ------------[ cut here ]------------
| [   13.180126][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.180432][   T12] Modules linked in: veth
| [   13.180906][   T12] Tainted: [W]=WARN
[   13.181018][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.181199][   T12] Workqueue: netns cleanup_net
[   13.181342][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.181511][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.182023][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.182188][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c0a4ac0 RCX: 1ff4000000018ed5
[   13.182388][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0a4b78
[   13.182583][   T12] RBP: ff1100000bf29000 R08: 1fe2200001814970 R09: ff11000001afd1d0
[   13.182773][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.182960][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.183160][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   13.183372][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.183560][   T12] CR2: 000055fae917dff0 CR3: 0000000031b39001 CR4: 0000000000771ef0
[   13.183790][   T12] PKRU: 55555554
[   13.183906][   T12] Call Trace:
[   13.184028][   T12]  <TASK>
[   13.184111][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.184316][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.184524][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.184677][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.184838][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.184998][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.185152][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.185311][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.185469][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.185632][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.185788][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.185940][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.186098][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.186263][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.186418][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.186565][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.186688][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.186861][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.186991][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.187122][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.187259][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.187387][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.187527][   T12]  kthread (kernel/kthread.c:436)
[   13.187623][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.187785][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.187912][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.188040][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.188192][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.188322][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.188449][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.191181][   T12] ------------[ cut here ]------------
| [   13.191321][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.191580][   T12] Modules linked in: veth
| [   13.191960][   T12] Tainted: [W]=WARN
[   13.192058][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.192212][   T12] Workqueue: netns cleanup_net
[   13.192349][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.192520][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.192958][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.193119][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c0a51c0 RCX: 1ff4000000018ed5
[   13.193305][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0a5278
[   13.193490][   T12] RBP: ff1100000c4a4000 R08: 1fe2200001814a50 R09: ff11000001afd1d0
[   13.193678][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.193860][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.194144][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   13.194367][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.194518][   T12] CR2: 000055fae917dff0 CR3: 0000000031b39001 CR4: 0000000000771ef0
[   13.194689][   T12] PKRU: 55555554
[   13.194773][   T12] Call Trace:
[   13.194856][   T12]  <TASK>
[   13.194917][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.195113][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.195270][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.195391][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.195520][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.195640][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.195760][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.195892][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.196013][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.196128][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.196255][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.196368][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.196486][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.196604][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.196715][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.196831][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.196942][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.197067][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.197187][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.197304][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.197424][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.197541][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.197656][   T12]  kthread (kernel/kthread.c:436)
[   13.197744][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.197884][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.198005][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.198122][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.198268][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.198382][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.198500][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.206481][   T12] ------------[ cut here ]------------
| [   13.206606][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.206834][   T12] Modules linked in: veth
| [   13.207195][   T12] Tainted: [W]=WARN
[   13.207293][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.207446][   T12] Workqueue: netns cleanup_net
[   13.207582][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.207736][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.208156][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.208315][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d27fe00 RCX: 1ff4000000018ed5
[   13.208503][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d27feb8
[   13.208680][   T12] RBP: ff11000009ccc000 R08: 1fe2200001a4ffd8 R09: ff11000001afd1d0
[   13.208860][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.209117][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.209301][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   13.209619][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.209780][   T12] CR2: 000055fae917dff0 CR3: 0000000031b39001 CR4: 0000000000771ef0
[   13.209971][   T12] PKRU: 55555554
[   13.210153][   T12] Call Trace:
[   13.210251][   T12]  <TASK>
[   13.210317][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.210481][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.210635][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.210836][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.210963][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.211088][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.211215][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.211349][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.211482][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.211608][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.211733][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.211940][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.212068][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.212190][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.212395][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.212525][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.212647][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.212772][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.212900][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.213104][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.213240][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.213367][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.213497][   T12]  kthread (kernel/kthread.c:436)
[   13.213672][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.213832][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.213956][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.214082][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.214324][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.214453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.214580][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.231659][  T219] ------------[ cut here ]------------
| [   13.231924][  T219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ipmr/219
| [   13.232355][  T219] Modules linked in: veth
| [   13.232964][  T219] Tainted: [W]=WARN
[   13.233130][  T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.233404][  T219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.233679][  T219] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.234434][  T219] RSP: 0018:ffa0000000657ab0 EFLAGS: 00010286
[   13.234705][  T219] RAX: 00000000ffffffa6 RBX: ff1100000d27e040 RCX: 1ff40000000caf1c
[   13.235011][  T219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d27e0f8
[   13.235318][  T219] RBP: ff1100000d1d4000 R08: 1fe2200001a4fc20 R09: ff1100000c4d2e80
[   13.235624][  T219] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.235934][  T219] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d1d4000
[   13.236255][  T219] FS:  00007fdfd8a56740(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   13.236624][  T219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.236881][  T219] CR2: 00007fdfd8b51bc0 CR3: 000000000bc01005 CR4: 0000000000771ef0
[   13.237185][  T219] PKRU: 55555554
[   13.237346][  T219] Call Trace:
[   13.237505][  T219]  <TASK>
[   13.237611][  T219]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.237821][  T219]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.238030][  T219]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.238187][  T219]  register_netdevice (net/core/dev.c:11488)
[   13.238401][  T219]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.238672][  T219]  register_netdev (net/core/dev.c:11552)
[   13.238878][  T219]  loopback_net_init (drivers/net/loopback.c:218)
[   13.239088][  T219]  ops_init (net/core/net_namespace.c:137)
[   13.239259][  T219]  setup_net (net/core/net_namespace.c:446)
[   13.239423][  T219]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.239628][  T219]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.239834][  T219]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.240046][  T219]  copy_net_ns (net/core/net_namespace.c:579)
[   13.240264][  T219]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.240479][  T219]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.240686][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.240893][  T219]  ksys_unshare (kernel/fork.c:3243)
[   13.241089][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.241300][  T219]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.241514][  T219]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   13.241720][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.241929][  T219]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.242134][  T219]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.242348][  T219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.242558][  T219]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.242765][  T219]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.242972][  T219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.243241][  T219] RIP: 0033:0x7fdfd8b51bcb
[   13.243466][  T219] 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
[   13.244174][  T219] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.244491][  T219] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   13.244800][  T219] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   13.245109][  T219] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   13.245428][  T219] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   13.245733][  T219] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   13.298159][  T220] ------------[ cut here ]------------
| [   13.298516][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [   13.298896][  T220] Modules linked in: veth
| [   13.299579][  T220] Tainted: [W]=WARN
[   13.299785][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.300083][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.300449][  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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.301288][  T220] RSP: 0018:ffa0000000536e30 EFLAGS: 00010286
[   13.301604][  T220] RAX: 00000000ffffffa6 RBX: ff11000002642740 RCX: 1ff40000000a6d8c
[   13.301862][  T220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026427f8
[   13.302110][  T220] RBP: ff11000007969000 R08: 1fe22000004c8500 R09: ff1100000d052e80
[   13.302369][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.302620][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c7adc80
[   13.302944][  T220] FS:  00007ff8f6f4d840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   13.303323][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.303605][  T220] CR2: 000000000042ebe0 CR3: 000000000bc6b005 CR4: 0000000000771ef0
[   13.303954][  T220] PKRU: 55555554
[   13.304147][  T220] Call Trace:
[   13.304348][  T220]  <TASK>
[   13.304510][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.304748][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.305005][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.305203][  T220]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   13.305470][  T220]  __dev_notify_flags (net/core/dev.c:9787)
[   13.305744][  T220]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   13.305984][  T220]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   13.306216][  T220]  ? netif_change_name (net/core/dev.c:1495)
[   13.306499][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.306766][  T220]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.307005][  T220]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.307256][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.307499][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.307737][  T220]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.307973][  T220]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.308206][  T220]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.308463][  T220]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.308725][  T220] veth_newlink (drivers/net/veth.c:1871) veth
[   13.308982][  T220]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   13.309245][  T220]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.309477][  T220]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.309664][  T220]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.309865][  T220]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.310048][  T220]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.310536][  T220]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.310753][  T220]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.310939][  T220]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.311130][  T220]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.311331][  T220]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.311580][  T220]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.311854][  T220]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.312085][  T220]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.312339][  T220]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.312577][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.312813][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.313064][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.313276][  T220]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.313476][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.313667][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.313849][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.314031][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.314274][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.314526][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.314753][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.314977][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.315260][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.315528][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.315720][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.315903][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.316092][  T220]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.316348][  T220]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.316619][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.316833][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.317018][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.317206][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.317405][  T220]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.317641][  T220]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.317865][  T220]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.318054][  T220]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.318252][  T220]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.318473][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   13.318660][  T220]  ___sys_sendmsg (net/socket.c:2752)
[   13.318841][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.319026][  T220]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.319216][  T220]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.319429][  T220]  __sys_sendmsg (net/socket.c:2784)
[   13.319612][  T220]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.319796][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.319979][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.320161][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.320360][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.320596][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.320815][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.321064][  T220] RIP: 0033:0x7ff8f718708e
[   13.321301][  T220] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.321886][  T220] RSP: 002b:00007fff3beb8db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.322174][  T220] RAX: ffffffffffffffda RBX: 00007fff3beb9548 RCX: 00007ff8f718708e
[   13.322479][  T220] RDX: 0000000000000000 RSI: 00007fff3beb8e60 RDI: 0000000000000005
[   13.322761][  T220] RBP: 00007fff3beb8dc0 R08: 0000000000000000 R09: 0000000000000000
[   13.323046][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb60
[   13.323340][  T220] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3beb9520
| [   13.333630][  T220] ------------[ cut here ]------------
| [   13.333902][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/220
| [   13.334220][  T220] Modules linked in: veth
| [   13.334773][  T220] Tainted: [W]=WARN
[   13.334944][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.335192][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.335507][  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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.336100][  T220] RSP: 0018:ffa00000005371b0 EFLAGS: 00010286
[   13.336340][  T220] RAX: 00000000ffffffa6 RBX: ff11000009fec580 RCX: 1ff40000000a6dfc
[   13.336602][  T220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fec638
[   13.336863][  T220] RBP: ff110000075d1000 R08: 1fe22000013fd8c8 R09: ff1100000d052e80
[   13.337180][  T220] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.337522][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.337833][  T220] FS:  00007ff8f6f4d840(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   13.338192][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.338491][  T220] CR2: 000000000042ebe0 CR3: 000000000bc6b005 CR4: 0000000000771ef0
[   13.338840][  T220] PKRU: 55555554
[   13.339045][  T220] Call Trace:
[   13.339260][  T220]  <TASK>
[   13.339378][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.339615][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.339794][  T220]  __dev_notify_flags (net/core/dev.c:9787)
[   13.340004][  T220]  ? netif_change_name (net/core/dev.c:1495)
[   13.340213][  T220]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.340448][  T220]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.340664][  T220]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.340873][  T220]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.341080][  T220]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.341349][  T220]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.341606][  T220]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.341866][  T220]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.342135][  T220]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.342387][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.342574][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.342752][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.342929][  T220]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.343104][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.343301][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.343485][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.343663][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.343840][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.344014][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.344188][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.344381][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.344592][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.344772][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.344947][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.345128][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.345319][  T220]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.345523][  T220]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.345702][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.345882][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.346062][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.346254][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.346444][  T220]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.346625][  T220]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.346807][  T220]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.346985][  T220]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.347190][  T220]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.347501][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   13.347682][  T220]  ___sys_sendmsg (net/socket.c:2752)
[   13.347864][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.348040][  T220]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.348224][  T220]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.348425][  T220]  __sys_sendmsg (net/socket.c:2784)
[   13.348600][  T220]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.348777][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.348955][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.349129][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.349329][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.349514][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.349694][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.349906][  T220] RIP: 0033:0x7ff8f718708e
[   13.350142][  T220] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.350724][  T220] RSP: 002b:00007fff3beb8db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.351002][  T220] RAX: ffffffffffffffda RBX: 00007fff3beb9548 RCX: 00007ff8f718708e
[   13.351290][  T220] RDX: 0000000000000000 RSI: 00007fff3beb8e60 RDI: 0000000000000005
[   13.351571][  T220] RBP: 00007fff3beb8dc0 R08: 0000000000000000 R09: 0000000000000000
[   13.351848][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb60
[   13.352121][  T220] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3beb9520
| [   13.373105][   T12] ------------[ cut here ]------------
| [   13.373356][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.373658][   T12] Modules linked in: veth
| [   13.374130][   T12] Tainted: [W]=WARN
[   13.374253][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.375018][   T12] Workqueue: netns cleanup_net
[   13.377721][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.379701][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.380409][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.380633][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c59da80 RCX: 1ff4000000018ed5
[   13.380918][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c59db38
[   13.381204][   T12] RBP: ff110000075d1000 R08: 1fe22000018b3b68 R09: ff11000001afd1d0
[   13.381501][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.381773][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.382069][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   13.382379][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.382583][   T12] CR2: 00007fdfd8c8ded4 CR3: 000000000d1f2002 CR4: 0000000000771ef0
[   13.382814][   T12] PKRU: 55555554
[   13.382924][   T12] Call Trace:
[   13.383045][   T12]  <TASK>
[   13.383127][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.383374][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.383583][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.383778][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.383960][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.384142][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.384333][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.384525][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.384727][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.384934][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.385078][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.385241][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.385397][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.385522][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.385654][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.385777][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.385890][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.386010][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.386125][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.386243][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.386358][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.386481][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.386594][   T12]  kthread (kernel/kthread.c:436)
[   13.386681][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.386888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.387038][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.387192][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.387396][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.387592][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.387776][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.390627][   T12] ------------[ cut here ]------------
| [   13.390782][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.391086][   T12] Modules linked in: veth
| [   13.391571][   T12] Tainted: [W]=WARN
[   13.391689][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.391877][   T12] Workqueue: netns cleanup_net
[   13.392035][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.392220][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.392826][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.393019][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c59ce40 RCX: 1ff4000000018ed5
[   13.393255][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c59cef8
[   13.393486][   T12] RBP: ff11000007969000 R08: 1fe22000018b39e0 R09: ff11000001afd1d0
[   13.393714][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.393938][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.394166][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   13.394450][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.394640][   T12] CR2: 00007fdfd8c8ded4 CR3: 000000000d1f2002 CR4: 0000000000771ef0
[   13.394868][   T12] PKRU: 55555554
[   13.394986][   T12] Call Trace:
[   13.395098][   T12]  <TASK>
[   13.395175][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.395366][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.395565][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.395720][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.395881][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.396032][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.396186][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.396347][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.396511][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.396709][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.396921][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.397091][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.397260][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.397394][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.397537][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.397654][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.397767][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.397886][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.398003][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.398113][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.398239][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.398361][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.398508][   T12]  kthread (kernel/kthread.c:436)
[   13.398594][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.398744][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.398889][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.399047][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.399244][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.399401][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.399585][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.402085][   T12] ------------[ cut here ]------------
| [   13.402259][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.402571][   T12] Modules linked in: veth
| [   13.403044][   T12] Tainted: [W]=WARN
[   13.403155][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.403366][   T12] Workqueue: netns cleanup_net
[   13.403531][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.403725][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.404287][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.404506][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa2dc40 RCX: 1ff4000000018ed5
[   13.404814][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aa2dcf8
[   13.405060][   T12] RBP: ff1100000d1d4000 R08: 1fe2200001545ba0 R09: ff11000001afd1d0
[   13.405336][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.405577][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.405871][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   13.406194][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.406403][   T12] CR2: 00007fdfd8c8ded4 CR3: 000000000d1f2002 CR4: 0000000000771ef0
[   13.406651][   T12] PKRU: 55555554
[   13.406775][   T12] Call Trace:
[   13.406891][   T12]  <TASK>
[   13.406973][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.407179][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.407384][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.407543][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.407700][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.407852][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.408005][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.408161][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.408327][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.408498][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.408653][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.408805][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.408963][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.409113][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.409273][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.409426][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.409580][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.409736][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.409895][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.410046][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.410203][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.410361][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.410516][   T12]  kthread (kernel/kthread.c:436)
[   13.410621][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.410815][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.410946][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.411062][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.411202][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.411329][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.411448][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.431645][  T222] ------------[ cut here ]------------
| [   13.431905][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ipmr/222
| [   13.432341][  T222] Modules linked in: veth
| [   13.432880][  T222] Tainted: [W]=WARN
[   13.433049][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.433299][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.433556][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.434134][  T222] RSP: 0018:ffa0000000657ab0 EFLAGS: 00010286
[   13.434390][  T222] RAX: 00000000ffffffa6 RBX: ff1100000c0a8ac0 RCX: 1ff40000000caf1c
[   13.434663][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0a8b78
[   13.435002][  T222] RBP: ff1100000f044000 R08: 1fe2200001815170 R09: ff1100000c172e80
[   13.435298][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.435540][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f044000
[   13.435780][  T222] FS:  00007fdfd8a56740(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   13.436160][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.436379][  T222] CR2: 00007fdfd8b51bc0 CR3: 000000000bceb006 CR4: 0000000000771ef0
[   13.436636][  T222] PKRU: 55555554
[   13.436777][  T222] Call Trace:
[   13.436918][  T222]  <TASK>
[   13.437063][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.437290][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.437502][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.437675][  T222]  register_netdevice (net/core/dev.c:11488)
[   13.437879][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.438123][  T222]  register_netdev (net/core/dev.c:11552)
[   13.438345][  T222]  loopback_net_init (drivers/net/loopback.c:218)
[   13.438608][  T222]  ops_init (net/core/net_namespace.c:137)
[   13.438814][  T222]  setup_net (net/core/net_namespace.c:446)
[   13.439014][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.439272][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.439591][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.439840][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   13.440033][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.440278][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.440505][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.440714][  T222]  ksys_unshare (kernel/fork.c:3243)
[   13.440917][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.441120][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.441343][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   13.441560][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.441767][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.441976][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.442181][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.442398][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.442609][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.442818][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.443054][  T222] RIP: 0033:0x7fdfd8b51bcb
[   13.443652][  T222] 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
[   13.444201][  T222] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.444495][  T222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   13.444772][  T222] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   13.445045][  T222] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   13.445328][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   13.445606][  T222] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   13.493041][  T223] ------------[ cut here ]------------
| [   13.493258][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/223
| [   13.493508][  T223] Modules linked in: veth
| [   13.493892][  T223] Tainted: [W]=WARN
[   13.494013][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.494183][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.494372][  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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.494853][  T223] RSP: 0018:ffa0000000586e30 EFLAGS: 00010286
[   13.495031][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c59c040 RCX: 1ff40000000b0d8c
[   13.495226][  T223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c59c0f8
[   13.495433][  T223] RBP: ff1100000c321000 R08: 1fe22000018b3820 R09: ff1100000c170b80
[   13.495634][  T223] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.495831][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d245900
[   13.496032][  T223] FS:  00007f56e028a840(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   13.496268][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.496445][  T223] CR2: 000000000042ebe0 CR3: 00000000092b2003 CR4: 0000000000771ef0
[   13.496645][  T223] PKRU: 55555554
[   13.496745][  T223] Call Trace:
[   13.496847][  T223]  <TASK>
[   13.496915][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.497049][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.497176][  T223]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   13.497348][  T223]  __dev_notify_flags (net/core/dev.c:9787)
[   13.497492][  T223]  ? netif_change_name (net/core/dev.c:1495)
[   13.497621][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.497753][  T223]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.497884][  T223]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.498043][  T223]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   13.498176][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.498319][  T223]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.498461][  T223]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.498594][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.498723][  T223]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.498864][  T223] veth_newlink (drivers/net/veth.c:1871) veth
[   13.498997][  T223]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   13.499163][  T223]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.499479][  T223]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.499615][  T223]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.499773][  T223]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.499907][  T223]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.500052][  T223]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.500186][  T223]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.500326][  T223]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.500466][  T223]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.500604][  T223]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.500740][  T223]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.500873][  T223]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.501013][  T223]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.501148][  T223]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.501290][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.501428][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.501561][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.501699][  T223]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.501838][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.501979][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.502110][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.502247][  T223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.502377][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.502527][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.502666][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.502810][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.502943][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.503081][  T223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.503217][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.503358][  T223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.503501][  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))
[   13.503631][  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))
[   13.503774][  T223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.503908][  T223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.504040][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.504176][  T223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.504316][  T223]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.504511][  T223]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.504679][  T223]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.504891][  T223]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.505101][  T223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.505287][  T223]  ? move_addr_to_kernel (net/socket.c:258)
[   13.505427][  T223]  ___sys_sendmsg (net/socket.c:2752)
[   13.505565][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.505711][  T223]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.505855][  T223]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.506001][  T223]  __sys_sendmsg (net/socket.c:2784)
[   13.506137][  T223]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.506279][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.506489][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.506625][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.506810][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.506999][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.507207][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.507490][  T223] RIP: 0033:0x7f56e04c408e
[   13.507717][  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
[   13.508283][  T223] RSP: 002b:00007ffef1987a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.508552][  T223] RAX: ffffffffffffffda RBX: 00007ffef19881e8 RCX: 00007f56e04c408e
[   13.508758][  T223] RDX: 0000000000000000 RSI: 00007ffef1987b00 RDI: 0000000000000005
[   13.508964][  T223] RBP: 00007ffef1987a60 R08: 0000000000000000 R09: 0000000000000000
[   13.509177][  T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb60
[   13.509386][  T223] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef19881c0
| [   13.518323][  T223] ------------[ cut here ]------------
| [   13.518529][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/223
| [   13.518775][  T223] Modules linked in: veth
| [   13.519168][  T223] Tainted: [W]=WARN
[   13.519731][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.519913][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.520098][  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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.520859][  T223] RSP: 0018:ffa00000005871b0 EFLAGS: 00010286
[   13.521146][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c08c3c0 RCX: 1ff40000000b0dfc
[   13.521474][  T223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c08c478
[   13.521701][  T223] RBP: ff11000007509000 R08: 1fe2200001811890 R09: ff1100000c170b80
[   13.521896][  T223] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.522087][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.522284][  T223] FS:  00007f56e028a840(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   13.522517][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.522677][  T223] CR2: 000000000042ebe0 CR3: 00000000092b2003 CR4: 0000000000771ef0
[   13.522872][  T223] PKRU: 55555554
[   13.522970][  T223] Call Trace:
[   13.523066][  T223]  <TASK>
[   13.523135][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.523275][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.523379][  T223]  __dev_notify_flags (net/core/dev.c:9787)
[   13.523512][  T223]  ? netif_change_name (net/core/dev.c:1495)
[   13.523637][  T223]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.523760][  T223]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.523912][  T223]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.524049][  T223]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.524182][  T223]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.524318][  T223]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.524457][  T223]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.524593][  T223]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.524726][  T223]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.525042][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.525175][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.525310][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.525470][  T223]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.525598][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.525733][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.525860][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.525988][  T223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.526115][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.526248][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.526375][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.526511][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.526642][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.526769][  T223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.526897][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.527028][  T223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.527163][  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))
[   13.527293][  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))
[   13.527434][  T223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.527565][  T223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.527693][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.527819][  T223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.527947][  T223]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.528078][  T223]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.528211][  T223]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.528360][  T223]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.528498][  T223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.528663][  T223]  ? move_addr_to_kernel (net/socket.c:258)
[   13.528799][  T223]  ___sys_sendmsg (net/socket.c:2752)
[   13.528935][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.529067][  T223]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.529237][  T223]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.529373][  T223]  __sys_sendmsg (net/socket.c:2784)
[   13.529514][  T223]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.529654][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.529793][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.529925][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.530061][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.530197][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.530339][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.530541][  T223] RIP: 0033:0x7f56e04c408e
[   13.530694][  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
[   13.531208][  T223] RSP: 002b:00007ffef1987a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.531429][  T223] RAX: ffffffffffffffda RBX: 00007ffef19881e8 RCX: 00007f56e04c408e
[   13.531642][  T223] RDX: 0000000000000000 RSI: 00007ffef1987b00 RDI: 0000000000000005
[   13.531847][  T223] RBP: 00007ffef1987a60 R08: 0000000000000000 R09: 0000000000000000
[   13.532059][  T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb60
[   13.532274][  T223] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef19881c0
| [   13.550951][  T222] ------------[ cut here ]------------
| [   13.551166][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ipmr/222
| [   13.551526][  T222] Modules linked in: veth
| [   13.552043][  T222] Tainted: [W]=WARN
[   13.552211][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.552463][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.552710][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.553257][  T222] RSP: 0018:ffa0000000657720 EFLAGS: 00010286
[   13.553513][  T222] RAX: 00000000ffffffa6 RBX: ff1100000c08d540 RCX: 1ff40000000caeaa
[   13.553776][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c08d5f8
[   13.554050][  T222] RBP: ff1100000f08c000 R08: 1fe2200001811ac0 R09: ff1100000c172e58
[   13.554338][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.554615][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f08c000
[   13.554883][  T222] FS:  00007fdfd8a56740(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   13.555188][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.555456][  T222] CR2: 00007fdfd8a49000 CR3: 000000000bceb006 CR4: 0000000000771ef0
[   13.555724][  T222] PKRU: 55555554
[   13.555893][  T222] Call Trace:
[   13.556062][  T222]  <TASK>
[   13.556201][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.556431][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.556633][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.556804][  T222]  register_netdevice (net/core/dev.c:11488)
[   13.557009][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.557266][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.557479][  T222]  vif_add (net/ipv4/ipmr.c:597 net/ipv4/ipmr.c:871)
[   13.557663][  T222]  ? __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)
[   13.557865][  T222]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.558068][  T222]  ? pim_rcv (net/ipv4/ipmr.c:2429)
[   13.558253][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.558468][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.558676][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.558890][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.559092][  T222]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1488 (discriminator 1))
[   13.559308][  T222]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2963)
[   13.559516][  T222]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.559750][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.559955][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.560156][  T222]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:948)
[   13.560380][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.560590][  T222]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:605)
[   13.560791][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.560995][  T222]  ? 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)
[   13.561257][  T222]  ? preempt_count_add (./include/linux/ftrace.h:1168 kernel/sched/core.c:5837 kernel/sched/core.c:5834 kernel/sched/core.c:5862)
[   13.561499][  T222]  ? mnt_put_write_access_file (fs/namespace.c:555 fs/namespace.c:579 fs/namespace.c:576)
[   13.561669][  T222]  ? mnt_put_write_access_file (fs/namespace.c:557 (discriminator 1) fs/namespace.c:579 (discriminator 1) fs/namespace.c:576 (discriminator 1))
[   13.561847][  T222]  ? file_update_time_flags (fs/inode.c:2429)
[   13.562022][  T222]  ip_setsockopt (net/ipv4/ip_sockglue.c:1417)
[   13.562198][  T222]  raw_setsockopt (net/ipv4/raw.c:849)
[   13.562387][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.562568][  T222]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   13.562739][  T222]  ? raw_bind (net/ipv4/raw.c:727)
[   13.562880][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5574)
[   13.563052][  T222]  do_sock_setsockopt (net/socket.c:2381)
[   13.563243][  T222]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   13.563424][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.563595][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.563768][  T222]  __sys_setsockopt (net/socket.c:2406)
[   13.563948][  T222]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   13.564126][  T222]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.564360][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.564552][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.564773][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.564977][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.565181][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.565387][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.565628][  T222] RIP: 0033:0x7fdfd8b5261e
[   13.565837][  T222] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   13.566390][  T222] RSP: 002b:00007ffc7257d928 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
[   13.566670][  T222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b5261e
[   13.567017][  T222] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 000000000000000f
[   13.567284][  T222] RBP: 00007ffc7257da30 R08: 0000000000000010 R09: 0000000000000000
[   13.567525][  T222] R10: 00007ffc7257d980 R11: 0000000000000212 R12: 00007ffc7257e0b8
[   13.567755][  T222] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   13.570145][  T222] ------------[ cut here ]------------
| [   13.570368][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ipmr/222
| [   13.570779][  T222] Modules linked in: veth
| [   13.571492][  T222] Tainted: [W]=WARN
[   13.571650][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.571938][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.572277][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.572910][  T222] RSP: 0018:ffa0000000657738 EFLAGS: 00010286
[   13.573129][  T222] RAX: 00000000ffffffa6 RBX: ff1100000c08d700 RCX: 1ff40000000caead
[   13.573384][  T222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c08d7b8
[   13.573624][  T222] RBP: ff1100000f08c000 R08: 1fe2200001811af8 R09: ff1100000c172e58
[   13.573869][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   13.574107][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004d6a000
[   13.574407][  T222] FS:  00007fdfd8a56740(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   13.574721][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.574962][  T222] CR2: 00007fdfd8a49000 CR3: 000000000bceb006 CR4: 0000000000771ef0
[   13.575243][  T222] PKRU: 55555554
[   13.575415][  T222] Call Trace:
[   13.575597][  T222]  <TASK>
[   13.575736][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.575942][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.576115][  T222]  netif_open (net/core/dev.c:1729 net/core/dev.c:1718)
[   13.576299][  T222]  ? netdev_notify_peers (net/core/dev.c:1642)
[   13.576512][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.576752][  T222]  dev_open (net/core/dev_api.c:202)
[   13.576921][  T222]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   13.577125][  T222]  vif_add (net/ipv4/ipmr.c:604 net/ipv4/ipmr.c:871)
[   13.577309][  T222]  ? __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)
[   13.577525][  T222]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.577733][  T222]  ? pim_rcv (net/ipv4/ipmr.c:2429)
[   13.577909][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.578115][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.578337][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.578552][  T222]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.578760][  T222]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1488 (discriminator 1))
[   13.578965][  T222]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2963)
[   13.579165][  T222]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.579429][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.579641][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.579849][  T222]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:948)
[   13.580057][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.580278][  T222]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:605)
[   13.580491][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.580698][  T222]  ? 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)
[   13.580899][  T222]  ? preempt_count_add (./include/linux/ftrace.h:1168 kernel/sched/core.c:5837 kernel/sched/core.c:5834 kernel/sched/core.c:5862)
[   13.581108][  T222]  ? mnt_put_write_access_file (fs/namespace.c:555 fs/namespace.c:579 fs/namespace.c:576)
[   13.581326][  T222]  ? mnt_put_write_access_file (fs/namespace.c:557 (discriminator 1) fs/namespace.c:579 (discriminator 1) fs/namespace.c:576 (discriminator 1))
[   13.581537][  T222]  ? file_update_time_flags (fs/inode.c:2429)
[   13.581743][  T222]  ip_setsockopt (net/ipv4/ip_sockglue.c:1417)
[   13.581946][  T222]  raw_setsockopt (net/ipv4/raw.c:849)
[   13.582152][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.582376][  T222]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[   13.582596][  T222]  ? raw_bind (net/ipv4/raw.c:727)
[   13.582767][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5574)
[   13.582973][  T222]  do_sock_setsockopt (net/socket.c:2381)
[   13.583181][  T222]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   13.583395][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.583611][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.583824][  T222]  __sys_setsockopt (net/socket.c:2406)
[   13.584091][  T222]  __x64_sys_setsockopt (net/socket.c:2412 net/socket.c:2409 net/socket.c:2409)
[   13.584352][  T222]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.584658][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.584898][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.585149][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.585370][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.585558][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.585738][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.585947][  T222] RIP: 0033:0x7fdfd8b5261e
[   13.586128][  T222] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 6a f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 6a f7 ff       	call   0xfffffffffff76aac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	a1                   	.byte 0xa1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	a1                   	.byte 0xa1
[   13.586648][  T222] RSP: 002b:00007ffc7257d928 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
[   13.586898][  T222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b5261e
[   13.587133][  T222] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 000000000000000f
[   13.587431][  T222] RBP: 00007ffc7257da30 R08: 0000000000000010 R09: 0000000000000000
[   13.587701][  T222] R10: 00007ffc7257d980 R11: 0000000000000212 R12: 00007ffc7257e0b8
[   13.587972][  T222] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   13.656080][  T227] ------------[ cut here ]------------
| [   13.656216][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/227
| [   13.656449][  T227] Modules linked in: veth
| [   13.656811][  T227] Tainted: [W]=WARN
[   13.656907][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.657069][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.657245][  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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.657699][  T227] RSP: 0018:ffa00000005f7190 EFLAGS: 00010286
[   13.657863][  T227] RAX: 00000000ffffffa6 RBX: ff11000009feda80 RCX: 1ff40000000bedf8
[   13.658055][  T227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009fedb38
[   13.658252][  T227] RBP: ff11000007509000 R08: 1fe22000013fdb68 R09: ff1100000889d158
[   13.658443][  T227] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.658628][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.658817][  T227] FS:  00007f0d4dc41840(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   13.659040][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.659199][  T227] CR2: 00007f0d4df111a0 CR3: 000000000d29f002 CR4: 0000000000771ef0
[   13.659407][  T227] PKRU: 55555554
[   13.659504][  T227] Call Trace:
[   13.659598][  T227]  <TASK>
[   13.659665][  T227]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.659828][  T227]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.659974][  T227]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.660095][  T227]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.660216][  T227]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.660385][  T227]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.660514][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.660639][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.660837][  T227]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.660999][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.661154][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.661344][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.661698][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.661853][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.662035][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.662243][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.662452][  T227]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.662655][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.662856][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.662985][  T227]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.663121][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.663249][  T227]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.663371][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.663496][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.663610][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.663726][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.663861][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.663981][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.664102][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.664221][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.664344][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.664472][  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))
[   13.664587][  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))
[   13.664705][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.664837][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.664957][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.665074][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.665193][  T227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.665322][  T227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.665450][  T227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.665567][  T227]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.665684][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.665830][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   13.665949][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.666069][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.666188][  T227]  ___sys_sendmsg (net/socket.c:2752)
[   13.666307][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.666458][  T227]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.666586][  T227]  __sys_sendmsg (net/socket.c:2784)
[   13.666702][  T227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.666820][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.666992][  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)
[   13.667110][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.667226][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.667350][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.667473][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.667588][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.667733][  T227] RIP: 0033:0x7f0d4de7b08e
[   13.667858][  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
[   13.668281][  T227] RSP: 002b:00007ffc8e5411e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.668465][  T227] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0d4de7b08e
[   13.668639][  T227] RDX: 0000000000000000 RSI: 00007ffc8e541290 RDI: 0000000000000005
[   13.668808][  T227] RBP: 00007ffc8e5411f0 R08: 0000000000000000 R09: 0000000000000000
[   13.668979][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb61
[   13.669151][  T227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8e541950
| [   13.671931][  T227] ------------[ cut here ]------------
| [   13.672076][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/227
| [   13.672935][  T227] Modules linked in: veth
| [   13.673282][  T227] Tainted: [W]=WARN
[   13.673373][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.673523][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.673676][  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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.674086][  T227] RSP: 0018:ffa00000005f7190 EFLAGS: 00010286
[   13.674238][  T227] RAX: 00000000ffffffa6 RBX: ff11000004a67380 RCX: 1ff40000000bedf8
[   13.674416][  T227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a67438
[   13.674600][  T227] RBP: ff1100000c321000 R08: 1fe220000094ce88 R09: ff1100000889d158
[   13.674771][  T227] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.674942][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.675118][  T227] FS:  00007f0d4dc41840(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   13.675330][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.675485][  T227] CR2: 00007f0d4df111a0 CR3: 000000000d29f002 CR4: 0000000000771ef0
[   13.675660][  T227] PKRU: 55555554
[   13.675746][  T227] Call Trace:
[   13.675831][  T227]  <TASK>
[   13.675892][  T227]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.676038][  T227]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.676189][  T227]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.676340][  T227]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.676479][  T227]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.676624][  T227]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   13.676740][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.676853][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.676968][  T227]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.677112][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.677227][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.677372][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.677497][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.677613][  T227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.677731][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.677848][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.677968][  T227]  ? bpf_address_lookup (kernel/bpf/core.c:734)
[   13.678091][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.678208][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.678327][  T227]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.678448][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.678564][  T227]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   13.678678][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.678795][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.678911][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.679189][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.679325][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.679453][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.679569][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.679685][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.679800][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.679919][  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))
[   13.680034][  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))
[   13.680160][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.680283][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.680398][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.680518][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.680634][  T227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.680750][  T227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.680869][  T227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.680985][  T227]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.681099][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.681252][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   13.681385][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.681512][  T227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.681634][  T227]  ___sys_sendmsg (net/socket.c:2752)
[   13.681751][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.681894][  T227]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.682022][  T227]  __sys_sendmsg (net/socket.c:2784)
[   13.682296][  T227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.682411][  T227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.682572][  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)
[   13.682692][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.682813][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.682929][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.683047][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.683165][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.683315][  T227] RIP: 0033:0x7f0d4de7b08e
[   13.683445][  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
[   13.683863][  T227] RSP: 002b:00007ffc8e5411e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.684063][  T227] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0d4de7b08e
[   13.684247][  T227] RDX: 0000000000000000 RSI: 00007ffc8e541290 RDI: 0000000000000005
[   13.684426][  T227] RBP: 00007ffc8e5411f0 R08: 0000000000000000 R09: 0000000000000000
[   13.684600][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb61
[   13.684774][  T227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8e541950
| [   13.749080][   T12] ------------[ cut here ]------------
| [   13.750497][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.750924][   T12] Modules linked in: veth
| [   13.759502][   T12] Tainted: [W]=WARN
[   13.759714][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.759950][   T12] Workqueue: netns cleanup_net
[   13.760160][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.760533][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.761194][   T12] RSP: 0018:ffa00000000c7808 EFLAGS: 00010286
[   13.761556][   T12] RAX: 00000000ffffffa6 RBX: ff11000009ed4e40 RCX: 1ff4000000018ec7
[   13.761851][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ed4ef8
[   13.762133][   T12] RBP: ff1100000f08c000 R08: 1fe22000013da9e0 R09: ff11000001afd1d0
[   13.762517][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   13.762794][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c78a0
[   13.763079][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   13.763506][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.763756][   T12] CR2: 00007f6f92bdd000 CR3: 000000000d1f2006 CR4: 0000000000771ef0
[   13.764028][   T12] PKRU: 55555554
[   13.764161][   T12] Call Trace:
[   13.764381][   T12]  <TASK>
[   13.764486][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.764672][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.764812][   T12]  netif_close_many (net/core/dev.c:1804)
[   13.765006][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   13.765489][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   13.765714][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.765943][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   13.766131][   T12]  ? mroute_clean_tables (./include/linux/workqueue.h:759)
[   13.766408][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.766642][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.766825][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.767010][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.767199][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.767482][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.767667][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.767855][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.768041][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.768223][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.768509][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.768718][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.768918][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.769109][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.769336][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.769533][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.769725][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.769911][   T12]  kthread (kernel/kthread.c:436)
[   13.770054][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.770293][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.770484][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.770671][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.770900][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.771085][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.771281][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.774191][   T12] ------------[ cut here ]------------
| [   13.774333][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.774571][   T12] Modules linked in: veth
| [   13.774952][   T12] Tainted: [W]=WARN
[   13.775045][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.775183][   T12] Workqueue: netns cleanup_net
[   13.775313][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.775476][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.775878][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   13.776020][   T12] RAX: 00000000ffffffa6 RBX: ff11000009ed4580 RCX: 1ff4000000018eed
[   13.776204][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009ed4638
[   13.776375][   T12] RBP: ff1100000f08c000 R08: 1fe22000013da8c8 R09: ff11000001afd1d0
[   13.776544][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.776708][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.776875][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   13.777069][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.777210][   T12] CR2: 00007fdfd8c4bb20 CR3: 000000000c672005 CR4: 0000000000771ef0
[   13.777439][   T12] PKRU: 55555554
[   13.777523][   T12] Call Trace:
[   13.777606][   T12]  <TASK>
[   13.777666][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.777852][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.777994][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.778105][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.778243][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.778376][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.778522][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.778642][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.778758][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.778869][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.778996][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.779110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.779223][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.779345][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.779458][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.779579][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.779695][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.779809][   T12]  kthread (kernel/kthread.c:436)
[   13.779909][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.780050][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.780161][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.780281][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.780426][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.780540][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.780652][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.789914][  T232] ------------[ cut here ]------------
| [   13.790197][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ipmr/232
| [   13.790681][  T232] Modules linked in: veth
| [   13.791412][  T232] Tainted: [W]=WARN
[   13.791622][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.791898][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.792186][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.792915][  T232] RSP: 0018:ffa00000005f7ab0 EFLAGS: 00010286
[   13.793130][  T232] RAX: 00000000ffffffa6 RBX: ff1100000ab4e040 RCX: 1ff40000000bef1c
[   13.793376][  T232] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ab4e0f8
[   13.793669][  T232] RBP: ff1100000f159000 R08: 1fe2200001569c20 R09: ff11000004d8ae80
[   13.793926][  T232] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.794189][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f159000
[   13.794553][  T232] FS:  00007fdfd8a56740(0000) GS:ff110000936b0000(0000) knlGS:0000000000000000
[   13.794910][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.795180][  T232] CR2: 00007fdfd8b51bc0 CR3: 000000000bc84005 CR4: 0000000000771ef0
[   13.795531][  T232] PKRU: 55555554
[   13.795731][  T232] Call Trace:
[   13.795929][  T232]  <TASK>
[   13.796089][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.796356][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.796583][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.796776][  T232]  register_netdevice (net/core/dev.c:11488)
[   13.796953][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   13.797157][  T232]  register_netdev (net/core/dev.c:11552)
[   13.797345][  T232]  loopback_net_init (drivers/net/loopback.c:218)
[   13.797600][  T232]  ops_init (net/core/net_namespace.c:137)
[   13.797824][  T232]  setup_net (net/core/net_namespace.c:446)
[   13.798050][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   13.798331][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   13.798586][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   13.798790][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   13.798970][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.799147][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.799340][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.799523][  T232]  ksys_unshare (kernel/fork.c:3243)
[   13.799698][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.799870][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   13.800065][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[   13.800327][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.800575][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.800819][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   13.801064][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.801281][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.801522][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.801752][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.802045][  T232] RIP: 0033:0x7fdfd8b51bcb
[   13.802307][  T232] 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
[   13.803036][  T232] RSP: 002b:00007ffc7257d958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.803373][  T232] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfd8b51bcb
[   13.803697][  T232] RDX: 0000000000000000 RSI: 00007ffc7257da58 RDI: 0000000040000000
[   13.804010][  T232] RBP: 00007ffc7257da30 R08: 00007fdfd8c4bb20 R09: 0000000000000000
[   13.804355][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7257e0b8
[   13.804692][  T232] R13: 0000000000000001 R14: 00007fdfd8c9a000 R15: 000000000040ae00
| [   13.815554][   T12] ------------[ cut here ]------------
| [   13.815767][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.816149][   T12] Modules linked in: veth
| [   13.816708][   T12] Tainted: [W]=WARN
[   13.816840][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.817036][   T12] Workqueue: netns cleanup_net
[   13.817202][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.817546][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.818475][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.818734][   T12] RAX: 00000000ffffffa6 RBX: ff11000004b18e40 RCX: 1ff4000000018ed5
[   13.819018][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b18ef8
[   13.819295][   T12] RBP: ff1100000f044000 R08: 1fe22000009631e0 R09: ff11000001afd1d0
[   13.819542][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.819776][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.820007][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   13.820289][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.820493][   T12] CR2: 00007fdfd8c4bb20 CR3: 000000000c672005 CR4: 0000000000771ef0
[   13.820725][   T12] PKRU: 55555554
[   13.820843][   T12] Call Trace:
[   13.820955][   T12]  <TASK>
[   13.821036][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.821246][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.821441][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   13.821598][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.821750][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.821900][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.822055][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.822208][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.822429][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.822634][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.822817][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.823008][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.823196][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.823388][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.823594][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.823781][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.823985][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.824191][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.824403][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.824630][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.824834][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.825047][   T12]  kthread (kernel/kthread.c:436)
[   13.825190][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.825387][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.825580][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.825767][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.826002][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.826177][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.826360][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.873937][  T233] ------------[ cut here ]------------
| [   13.874155][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/233
| [   13.874436][  T233] Modules linked in: veth
| [   13.874869][  T233] Tainted: [W]=WARN
[   13.874982][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.875178][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.875389][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.875929][  T233] RSP: 0018:ffa0000000506e30 EFLAGS: 00010286
[   13.876118][  T233] RAX: 00000000ffffffa6 RBX: ff11000009feb000 RCX: 1ff40000000a0d8c
[   13.876342][  T233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009feb0b8
[   13.876571][  T233] RBP: ff1100000f0ec000 R08: 1fe22000013fd618 R09: ff1100000d1f8b80
[   13.876790][  T233] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.877011][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005bf1200
[   13.877233][  T233] FS:  00007f493b72a840(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   13.877490][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.877668][  T233] CR2: 000000000042ebe0 CR3: 000000000d299005 CR4: 0000000000771ef0
[   13.877879][  T233] PKRU: 55555554
[   13.877985][  T233] Call Trace:
[   13.878093][  T233]  <TASK>
[   13.878168][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.878318][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.878475][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.878583][  T233]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   13.878726][  T233]  __dev_notify_flags (net/core/dev.c:9787)
[   13.878868][  T233]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   13.879011][  T233]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   13.879158][  T233]  ? netif_change_name (net/core/dev.c:1495)
[   13.879304][  T233]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.879451][  T233]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.879590][  T233]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.879730][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.879873][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.880015][  T233]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.880161][  T233]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.880319][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.880469][  T233]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.880614][  T233] veth_newlink (drivers/net/veth.c:1871) veth
[   13.880760][  T233]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   13.880938][  T233]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.881086][  T233]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.881226][  T233]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.881393][  T233]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.881543][  T233]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.881687][  T233]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.881829][  T233]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.881972][  T233]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.882116][  T233]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.882266][  T233]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.882412][  T233]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.882562][  T233]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.882709][  T233]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.882893][  T233]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.883099][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.883240][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.883374][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.883514][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.883646][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.883786][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.883920][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.884055][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.884191][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.884333][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.884516][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.884653][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.884784][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.884917][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.885083][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.885235][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.885383][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.885529][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.885672][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.885821][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.885964][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.886106][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.886255][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.886403][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.886554][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.886696][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.886843][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.887018][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   13.887163][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   13.887310][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.887455][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.887605][  T233]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.887749][  T233]  __sys_sendmsg (net/socket.c:2784)
[   13.887924][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.888130][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.888341][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.888554][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.888759][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.888939][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.889080][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.889285][  T233] RIP: 0033:0x7f493b96408e
[   13.889453][  T233] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.889960][  T233] RSP: 002b:00007ffe7703d530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.890175][  T233] RAX: ffffffffffffffda RBX: 00007ffe7703dcc8 RCX: 00007f493b96408e
[   13.890397][  T233] RDX: 0000000000000000 RSI: 00007ffe7703d5e0 RDI: 0000000000000005
[   13.890613][  T233] RBP: 00007ffe7703d540 R08: 0000000000000000 R09: 0000000000000000
[   13.890826][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb61
[   13.891041][  T233] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7703dca0
| [   13.900170][  T233] ------------[ cut here ]------------
| [   13.900914][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/233
| [   13.901160][  T233] Modules linked in: veth
| [   13.901635][  T233] Tainted: [W]=WARN
[   13.901805][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.901982][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.902171][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.902771][  T233] RSP: 0018:ffa00000005071b0 EFLAGS: 00010286
[   13.902957][  T233] RAX: 00000000ffffffa6 RBX: ff11000005bf4200 RCX: 1ff40000000a0dfc
[   13.903175][  T233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005bf42b8
[   13.903475][  T233] RBP: ff1100000be64000 R08: 1fe2200000b7e858 R09: ff1100000d1f8b80
[   13.903687][  T233] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.903897][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.904106][  T233] FS:  00007f493b72a840(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   13.904411][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.904600][  T233] CR2: 000000000042ebe0 CR3: 000000000d299005 CR4: 0000000000771ef0
[   13.904836][  T233] PKRU: 55555554
[   13.904943][  T233] Call Trace:
[   13.905052][  T233]  <TASK>
[   13.905125][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.905331][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.905443][  T233]  __dev_notify_flags (net/core/dev.c:9787)
[   13.905644][  T233]  ? netif_change_name (net/core/dev.c:1495)
[   13.905840][  T233]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.906045][  T233]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.906359][  T233]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.906550][  T233]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.906680][  T233]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.906811][  T233]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.906969][  T233]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.907125][  T233]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.907334][  T233]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.907484][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.907626][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.907767][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.907906][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.908046][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.908194][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.908396][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.908538][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.908680][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.908814][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.908949][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.909089][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.909295][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.909446][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.909588][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.909734][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.909876][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.910015][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.910154][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.910350][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.910496][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.910681][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.910876][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.911074][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.911383][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.911570][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.911700][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.911998][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   13.912134][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   13.912328][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.912464][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.912604][  T233]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   13.912736][  T233]  __sys_sendmsg (net/socket.c:2784)
[   13.912870][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.913100][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.913290][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.913427][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.913555][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.913684][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.913811][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.914059][  T233] RIP: 0033:0x7f493b96408e
[   13.914197][  T233] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.914855][  T233] RSP: 002b:00007ffe7703d530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.915061][  T233] RAX: ffffffffffffffda RBX: 00007ffe7703dcc8 RCX: 00007f493b96408e
[   13.915328][  T233] RDX: 0000000000000000 RSI: 00007ffe7703d5e0 RDI: 0000000000000005
[   13.915542][  T233] RBP: 00007ffe7703d540 R08: 0000000000000000 R09: 0000000000000000
[   13.915739][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cb61
[   13.915936][  T233] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7703dca0
| [   13.956204][   T12] ------------[ cut here ]------------
| [   13.956466][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   13.956819][   T12] Modules linked in: veth
| [   13.957750][   T12] Tainted: [W]=WARN
[   13.957885][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.958219][   T12] Workqueue: netns cleanup_net
[   13.958492][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.958714][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.959407][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.959625][   T12] RAX: 00000000ffffffa6 RBX: ff11000008fc6900 RCX: 1ff4000000018ed5
[   13.959968][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fc69b8
[   13.960214][   T12] RBP: ff1100000be64000 R08: 1fe22000011f8d38 R09: ff11000001afd1d0
[   13.960545][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.960789][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.961037][   T12] FS:  0000000000000000(0000) GS:ff110000935b0000(0000) knlGS:0000000000000000
[   13.961429][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.961648][   T12] CR2: 00007fff744f2ec0 CR3: 0000000031b39004 CR4: 0000000000771ef0
[   13.961914][   T12] PKRU: 55555554
[   13.962055][   T12] Call Trace:
[   13.962190][   T12]  <TASK>
[   13.962447][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.962686][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.962909][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.963096][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.963366][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.963544][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.963709][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.963875][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.964047][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.964222][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.964480][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.964643][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.964816][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.964993][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.965312][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.965498][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.965662][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.966495][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.966664][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.966817][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.966986][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.967156][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.967403][   T12]  kthread (kernel/kthread.c:436)
[   13.967541][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.967757][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.967922][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.968093][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.968323][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.968498][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.968673][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.974580][   T12] ------------[ cut here ]------------
| [   13.974839][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   13.975199][   T12] Modules linked in: veth
| [   13.975698][   T12] Tainted: [W]=WARN
[   13.975812][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.976107][   T12] Workqueue: netns cleanup_net
[   13.976351][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.976601][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.977188][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.977379][   T12] RAX: 00000000ffffffa6 RBX: ff11000008fc6200 RCX: 1ff4000000018ed5
[   13.977581][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fc62b8
[   13.977774][   T12] RBP: ff1100000f0ec000 R08: 1fe22000011f8c58 R09: ff11000001afd1d0
[   13.977974][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   13.978170][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.978386][   T12] FS:  0000000000000000(0000) GS:ff11000093630000(0000) knlGS:0000000000000000
[   13.978704][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.978904][   T12] CR2: 00007fad925acf98 CR3: 0000000031b39004 CR4: 0000000000771ef0
[   13.979148][   T12] PKRU: 55555554
[   13.979271][   T12] Call Trace:
[   13.979385][   T12]  <TASK>
[   13.979469][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.979676][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.979879][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.980046][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.980223][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.980406][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.980567][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.980680][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.980796][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.980912][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.981087][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.981407][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.981545][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.981668][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.981788][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.981913][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.982037][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.982160][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.982369][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.982508][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.982633][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.982850][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.982974][   T12]  kthread (kernel/kthread.c:436)
[   13.983073][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.983303][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.983503][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.983629][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.983782][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.983905][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.984027][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.988725][   T12] ------------[ cut here ]------------
| [   13.988893][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   13.989138][   T12] Modules linked in: veth
| [   13.989556][   T12] Tainted: [W]=WARN
[   13.989641][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.989813][   T12] Workqueue: netns cleanup_net
[   13.989943][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.990139][   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 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.990768][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   13.990993][   T12] RAX: 00000000ffffffa6 RBX: ff11000005bf58c0 RCX: 1ff4000000018ed5
[   13.991279][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005bf5978
[   13.991578][   T12] RBP: ff1100000f159000 R08: 1fe2200000b7eb30 R09: ff11000001afd1d0
[   13.991808][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.992042][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.992289][   T12] FS:  0000000000000000(0000) GS:ff11000093730000(0000) knlGS:0000000000000000
[   13.992567][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.992805][   T12] CR2: 000055c2ae7f32b8 CR3: 000000000c19f002 CR4: 0000000000771ef0
[   13.993087][   T12] PKRU: 55555554
[   13.993224][   T12] Call Trace:
[   13.993364][   T12]  <TASK>
[   13.993452][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.993665][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   13.993858][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   13.994009][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.994170][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.994329][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   13.994497][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   13.994676][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.994834][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   13.994992][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.995150][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   13.995309][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.995475][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   13.995623][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.995776][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   13.995938][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.996090][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.996255][   T12]  process_one_work (kernel/workqueue.c:3314)
[   13.996417][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.996571][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.996728][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.996887][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.997048][   T12]  kthread (kernel/kthread.c:436)
[   13.997168][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.997370][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.997528][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.997677][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.997876][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.998033][   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:unregister_netdevice_many_notify:unregister_netdevice_queue:vif_delete:ip_mroute_setsockopt
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:vif_add:ip_mroute_setsockopt
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_open:dev_open:vif_add
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:ops_undo_list
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:unregister_netdevice_queue