======================================
| xx__-> [    9.098596][  T182] ------------[ cut here ]------------
| [    9.098866][  T182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/182
| [    9.099403][  T182] Modules linked in:
| [    9.099898][  T182] Tainted: [W]=WARN
[    9.100098][  T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.100310][  T182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.100549][  T182] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.101098][  T182] RSP: 0018:ffa0000000947ab0 EFLAGS: 00010286
[    9.101309][  T182] RAX: 00000000ffffffa6 RBX: ff1100000c578200 RCX: 1ff4000000128f1c
[    9.101567][  T182] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c5782b8
[    9.101816][  T182] RBP: ff110000081c9000 R08: 1fe22000018af058 R09: ff1100000c4b2e80
[    9.102069][  T182] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.102307][  T182] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000081c9000
[    9.102549][  T182] FS:  00007f22def60840(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[    9.102855][  T182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.103080][  T182] CR2: 0000000000479648 CR3: 000000000c1af003 CR4: 0000000000771ef0
[    9.103321][  T182] PKRU: 55555554
[    9.103465][  T182] Call Trace:
[    9.103608][  T182]  <TASK>
[    9.103730][  T182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.103931][  T182]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.104127][  T182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.104276][  T182]  register_netdevice (net/core/dev.c:11488)
[    9.104513][  T182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.104734][  T182]  register_netdev (net/core/dev.c:11552)
[    9.104911][  T182]  loopback_net_init (drivers/net/loopback.c:218)
[    9.105122][  T182]  ops_init (net/core/net_namespace.c:137)
[    9.105270][  T182]  setup_net (net/core/net_namespace.c:446)
[    9.105418][  T182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.105593][  T182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.105780][  T182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.105975][  T182]  copy_net_ns (net/core/net_namespace.c:579)
[    9.106158][  T182]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.106361][  T182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.106544][  T182]  ksys_unshare (kernel/fork.c:3243)
[    9.106737][  T182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.106917][  T182]  ? __ia32_sys_open (fs/open.c:1374)
[    9.107114][  T182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.107295][  T182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.107478][  T182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.107685][  T182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.107866][  T182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.108063][  T182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.108282][  T182] RIP: 0033:0x7f22df222bcb
[    9.108469][  T182] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.109056][  T182] RSP: 002b:00007ffe2c103708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.109347][  T182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f22df222bcb
[    9.109640][  T182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.109939][  T182] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.110243][  T182] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe2c105930
[    9.110490][  T182] R13: 0000000000000001 R14: 00007f22def606f8 R15: 00007ffe2c10770e
| [    9.136307][  T183] ------------[ cut here ]------------
| [    9.136500][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/183
| [    9.136735][  T183] Modules linked in:
| [    9.137114][  T183] Tainted: [W]=WARN
[    9.137213][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.137377][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.137549][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.138031][  T183] RSP: 0018:ffa0000000957030 EFLAGS: 00010286
[    9.138196][  T183] RAX: 00000000ffffffa6 RBX: ff1100000c579000 RCX: 1ff400000012adcc
[    9.138405][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c5790b8
[    9.138598][  T183] RBP: ff110000081c9000 R08: 1fe22000018af218 R09: ff1100000c4b5158
[    9.138801][  T183] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.139031][  T183] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000081c9cd1
[    9.139225][  T183] FS:  00007ff8d274d840(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[    9.139482][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.139691][  T183] CR2: 000000001bd68988 CR3: 000000000c017001 CR4: 0000000000771ef0
[    9.139888][  T183] PKRU: 55555554
[    9.139993][  T183] Call Trace:
[    9.140090][  T183]  <TASK>
[    9.140158][  T183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.140291][  T183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.140390][  T183]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.140531][  T183]  __dev_notify_flags (net/core/dev.c:9787)
[    9.140669][  T183]  ? netif_change_name (net/core/dev.c:1495)
[    9.140798][  T183]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.140928][  T183]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.141490][  T183]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.141630][  T183]  netif_change_flags (net/core/dev.c:9820)
[    9.141767][  T183]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.141902][  T183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.142045][  T183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.142214][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.142344][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.142474][  T183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.142604][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.142747][  T183]  ? __kernel_text_address (kernel/extable.c:79)
[    9.142882][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.143019][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.143148][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.143278][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.143408][  T183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.143543][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.143701][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.143830][  T183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.143965][  T183]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.144096][  T183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.144224][  T183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.144354][  T183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.144491][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.144628][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.144760][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.144890][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.145025][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.145153][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.145290][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.145426][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.145560][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.145698][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.145831][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.145997][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.146133][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.146273][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.146406][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.146541][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.146681][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.146829][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.146999][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.147152][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.147313][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.147480][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.147646][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.147778][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.147909][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.148046][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.148187][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.148317][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.148448][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.148580][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.148717][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.148848][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.149021][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    9.149153][  T183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.149283][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.149415][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    9.149574][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.149743][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.149892][  T183]  __sys_sendmsg (net/socket.c:2784)
[    9.150028][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.150158][  T183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.150324][  T183]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.150454][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.150678][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.150848][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.150985][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.151115][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.151399][  T183] RIP: 0033:0x7ff8d298708e
[    9.151574][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.152265][  T183] RSP: 002b:00007ffe50c6a9a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.152508][  T183] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff8d298708e
[    9.152724][  T183] RDX: 0000000000000000 RSI: 00007ffe50c6aa50 RDI: 0000000000000005
[    9.153039][  T183] RBP: 00007ffe50c6a9b0 R08: 0000000000000000 R09: 0000000000000000
[    9.153242][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc02
[    9.153523][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe50c6b120
| [    9.312343][  T187] ------------[ cut here ]------------
| [    9.312571][  T187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/187
| [    9.312861][  T187] Modules linked in:
| [    9.313341][  T187] Tainted: [W]=WARN
[    9.313487][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.313703][  T187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.313926][  T187] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.314456][  T187] RSP: 0018:ffa0000000997ab0 EFLAGS: 00010286
[    9.314678][  T187] RAX: 00000000ffffffa6 RBX: ff110000026af000 RCX: 1ff4000000132f1c
[    9.314923][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026af0b8
[    9.315179][  T187] RBP: ff110000091ec000 R08: 1fe22000004d5e18 R09: ff11000004ccd180
[    9.315422][  T187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.315668][  T187] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091ec000
[    9.315914][  T187] FS:  00007f8974ddf840(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[    9.316279][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.316545][  T187] CR2: 00007f8974fe6430 CR3: 000000000cf0a005 CR4: 0000000000771ef0
[    9.316856][  T187] PKRU: 55555554
[    9.317099][  T187] Call Trace:
[    9.317344][  T187]  <TASK>
[    9.317528][  T187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.317784][  T187]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.318031][  T187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.318218][  T187]  register_netdevice (net/core/dev.c:11488)
[    9.318398][  T187]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.318613][  T187]  register_netdev (net/core/dev.c:11552)
[    9.318801][  T187]  loopback_net_init (drivers/net/loopback.c:218)
[    9.318994][  T187]  ops_init (net/core/net_namespace.c:137)
[    9.319145][  T187]  setup_net (net/core/net_namespace.c:446)
[    9.319295][  T187]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.319473][  T187]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.319660][  T187]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.319845][  T187]  copy_net_ns (net/core/net_namespace.c:579)
[    9.320040][  T187]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.320225][  T187]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.320408][  T187]  ksys_unshare (kernel/fork.c:3243)
[    9.320589][  T187]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.320771][  T187]  ? __ia32_sys_open (fs/open.c:1374)
[    9.320967][  T187]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.321144][  T187]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.321323][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.321532][  T187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.321730][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.321912][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.322134][  T187] RIP: 0033:0x7f89750a1bcb
[    9.322318][  T187] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.322833][  T187] RSP: 002b:00007ffd4e00a3b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.323092][  T187] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f89750a1bcb
[    9.323333][  T187] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.323574][  T187] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.323822][  T187] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd4e00c5e0
[    9.324108][  T187] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd4e00d70e
| [    9.357495][  T188] ------------[ cut here ]------------
| [    9.357679][  T188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/188
| [    9.357910][  T188] Modules linked in:
| [    9.358872][  T188] Tainted: [W]=WARN
[    9.358980][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.359151][  T188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.359325][  T188] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.359797][  T188] RSP: 0018:ffa00000009a7030 EFLAGS: 00010286
[    9.359967][  T188] RAX: 00000000ffffffa6 RBX: ff110000026af8c0 RCX: 1ff4000000134dcc
[    9.360161][  T188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026af978
[    9.360359][  T188] RBP: ff110000091ec000 R08: 1fe22000004d5f30 R09: ff1100000d4fd158
[    9.360553][  T188] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.360752][  T188] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091eccd1
[    9.360948][  T188] FS:  00007effed0db840(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[    9.361185][  T188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.361350][  T188] CR2: 000000000b44f988 CR3: 0000000004cef002 CR4: 0000000000771ef0
[    9.361547][  T188] PKRU: 55555554
[    9.361651][  T188] Call Trace:
[    9.361752][  T188]  <TASK>
[    9.361820][  T188]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.361953][  T188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.362061][  T188]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.362216][  T188]  __dev_notify_flags (net/core/dev.c:9787)
[    9.362357][  T188]  ? netif_change_name (net/core/dev.c:1495)
[    9.362487][  T188]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.362617][  T188]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.362751][  T188]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.362884][  T188]  netif_change_flags (net/core/dev.c:9820)
[    9.363022][  T188]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.363155][  T188]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.363287][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.363452][  T188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.363583][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.363716][  T188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.363846][  T188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.363985][  T188]  ? __kernel_text_address (kernel/extable.c:79)
[    9.364117][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.364251][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.364381][  T188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.364512][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.364647][  T188]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.364776][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.364908][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.365042][  T188]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.365173][  T188]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.365304][  T188]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.365433][  T188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.365565][  T188]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.365701][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.365834][  T188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.365971][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.366102][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.366233][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.366364][  T188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.366493][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.366631][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.366761][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.366893][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.367028][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.367160][  T188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.367288][  T188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.367420][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.367553][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.367686][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.367818][  T188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.367950][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.368087][  T188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.368220][  T188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.368351][  T188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.368485][  T188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.368615][  T188]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.368751][  T188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.368882][  T188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.369020][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.369152][  T188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.369285][  T188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.369417][  T188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.369554][  T188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.369689][  T188]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.369818][  T188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.369989][  T188]  ? move_addr_to_kernel (net/socket.c:258)
[    9.370120][  T188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.370250][  T188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.370382][  T188]  ___sys_sendmsg (net/socket.c:2752)
[    9.370510][  T188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.370680][  T188]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.370822][  T188]  __sys_sendmsg (net/socket.c:2784)
[    9.370960][  T188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.371092][  T188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.371258][  T188]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.371389][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.371520][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.371656][  T188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.371788][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.371918][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.372090][  T188] RIP: 0033:0x7effed31508e
[    9.372229][  T188] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.372696][  T188] RSP: 002b:00007ffdfa98f020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.372896][  T188] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007effed31508e
[    9.373095][  T188] RDX: 0000000000000000 RSI: 00007ffdfa98f0d0 RDI: 0000000000000005
[    9.373291][  T188] RBP: 00007ffdfa98f030 R08: 0000000000000000 R09: 0000000000000000
[    9.373487][  T188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc02
[    9.373688][  T188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfa98f7a0
| [    9.494293][  T192] ------------[ cut here ]------------
| [    9.494469][  T192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/192
| [    9.494719][  T192] Modules linked in:
| [    9.495105][  T192] Tainted: [W]=WARN
[    9.495207][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.495376][  T192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.495551][  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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.496032][  T192] RSP: 0018:ffa00000009e7ab0 EFLAGS: 00010286
[    9.496200][  T192] RAX: 00000000ffffffa6 RBX: ff1100000c0dd380 RCX: 1ff400000013cf1c
[    9.496396][  T192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0dd438
[    9.496594][  T192] RBP: ff11000005839000 R08: 1fe220000181ba88 R09: ff1100000cc35180
[    9.496794][  T192] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.496997][  T192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005839000
[    9.497196][  T192] FS:  00007ff6cbe26840(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[    9.497429][  T192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.497595][  T192] CR2: 00007ff6cc19f493 CR3: 000000000d467001 CR4: 0000000000771ef0
[    9.497798][  T192] PKRU: 55555554
[    9.497899][  T192] Call Trace:
[    9.498002][  T192]  <TASK>
[    9.498072][  T192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.498207][  T192]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.498343][  T192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.498443][  T192]  register_netdevice (net/core/dev.c:11488)
[    9.498579][  T192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.498748][  T192]  register_netdev (net/core/dev.c:11552)
[    9.498880][  T192]  loopback_net_init (drivers/net/loopback.c:218)
[    9.499019][  T192]  ops_init (net/core/net_namespace.c:137)
[    9.499121][  T192]  setup_net (net/core/net_namespace.c:446)
[    9.499221][  T192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.499353][  T192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.499483][  T192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.499617][  T192]  copy_net_ns (net/core/net_namespace.c:579)
[    9.499755][  T192]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.499889][  T192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.500298][  T192]  ksys_unshare (kernel/fork.c:3243)
[    9.500432][  T192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.500565][  T192]  ? __ia32_sys_open (fs/open.c:1374)
[    9.500708][  T192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.500840][  T192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.500976][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.501109][  T192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.501242][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.501375][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.501539][  T192] RIP: 0033:0x7ff6cc0e8bcb
[    9.501682][  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
[    9.502157][  T192] RSP: 002b:00007ffeb1874598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.502357][  T192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff6cc0e8bcb
[    9.502555][  T192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.502757][  T192] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.502961][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb18767c0
[    9.503159][  T192] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb187870e
| [    9.528154][  T193] ------------[ cut here ]------------
| [    9.528369][  T193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/193
| [    9.528671][  T193] Modules linked in:
| [    9.529534][  T193] Tainted: [W]=WARN
[    9.529687][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.529899][  T193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.530133][  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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.530654][  T193] RSP: 0018:ffa00000009f7030 EFLAGS: 00010286
[    9.530868][  T193] RAX: 00000000ffffffa6 RBX: ff1100000c0dc3c0 RCX: 1ff400000013edcc
[    9.531122][  T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0dc478
[    9.531364][  T193] RBP: ff11000005839000 R08: 1fe220000181b890 R09: ff1100000cc32e58
[    9.531608][  T193] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.531857][  T193] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005839cd1
[    9.532115][  T193] FS:  00007fe231dec840(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[    9.532399][  T193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.532615][  T193] CR2: 0000000007887988 CR3: 000000000d607001 CR4: 0000000000771ef0
[    9.532867][  T193] PKRU: 55555554
[    9.533030][  T193] Call Trace:
[    9.533177][  T193]  <TASK>
[    9.533292][  T193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.533476][  T193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.533631][  T193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.533812][  T193]  __dev_notify_flags (net/core/dev.c:9787)
[    9.534008][  T193]  ? netif_change_name (net/core/dev.c:1495)
[    9.534188][  T193]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.534368][  T193]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.534548][  T193]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.534735][  T193]  netif_change_flags (net/core/dev.c:9820)
[    9.534928][  T193]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.535123][  T193]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.535305][  T193]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.535518][  T193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.535741][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.535919][  T193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.536107][  T193]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.536287][  T193]  ? __kernel_text_address (kernel/extable.c:79)
[    9.536470][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.536657][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.536835][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.537029][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.537209][  T193]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.537388][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.537566][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.537753][  T193]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.537935][  T193]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.538128][  T193]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.538308][  T193]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.538489][  T193]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.538678][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.538874][  T193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.539068][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.539245][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.539427][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.539604][  T193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.539802][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.540007][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.540185][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.540365][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.540541][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.540731][  T193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.540909][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.541100][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.541285][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.541463][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.541653][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.541833][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.542028][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.542214][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.542396][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.542578][  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))
[    9.542761][  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))
[    9.542943][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.543140][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.543323][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.543504][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.543696][  T193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.543877][  T193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.544071][  T193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.544249][  T193]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.544426][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.544642][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[    9.544824][  T193]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.545020][  T193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.545203][  T193]  ___sys_sendmsg (net/socket.c:2752)
[    9.545382][  T193]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.545594][  T193]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.545792][  T193]  __sys_sendmsg (net/socket.c:2784)
[    9.545984][  T193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.546160][  T193]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.546379][  T193]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.546558][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.546750][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.546934][  T193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.547127][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.547307][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.547518][  T193] RIP: 0033:0x7fe23202608e
[    9.547714][  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
[    9.548250][  T193] RSP: 002b:00007ffc340a8cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.548494][  T193] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe23202608e
[    9.548751][  T193] RDX: 0000000000000000 RSI: 00007ffc340a8d60 RDI: 0000000000000005
[    9.549004][  T193] RBP: 00007ffc340a8cc0 R08: 0000000000000000 R09: 0000000000000000
[    9.549247][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc02
[    9.549487][  T193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc340a9430
| [    9.818774][  T199] ------------[ cut here ]------------
| [    9.819019][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.819300][  T199] Modules linked in:
| [    9.819717][  T199] Tainted: [W]=WARN
[    9.819820][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.819998][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.820178][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.820669][  T199] RSP: 0018:ffa0000000a46e30 EFLAGS: 00010286
[    9.820842][  T199] RAX: 00000000ffffffa6 RBX: ff1100000c578c80 RCX: 1ff4000000148d8c
[    9.821054][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c578d38
[    9.821256][  T199] RBP: ff11000007fa1000 R08: 1fe22000018af1a8 R09: ff11000008388b80
[    9.821458][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.821667][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000501ae08
[    9.821878][  T199] FS:  00007f863ae6c840(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[    9.822131][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.822307][  T199] CR2: 000000000042ebe0 CR3: 000000000d62b003 CR4: 0000000000771ef0
[    9.822512][  T199] PKRU: 55555554
[    9.822616][  T199] Call Trace:
[    9.822726][  T199]  <TASK>
[    9.822799][  T199]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.822979][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.823120][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.823226][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.823365][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.823501][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.823644][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.823781][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.823917][  T199]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.824061][  T199]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.824197][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.824335][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.824474][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.824660][  T199]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.824806][  T199]  veth_newlink (drivers/net/veth.c:1871)
[    9.824945][  T199]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.825085][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.825221][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.825354][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.825505][  T199]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.825646][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.825782][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.825919][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.826060][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.826199][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.826336][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.826473][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.826609][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.826752][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.826891][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.827032][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.827171][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.827307][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.827443][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.827580][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.827726][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.827862][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.828004][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.828141][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.828276][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.828428][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.828565][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.828704][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.828840][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.828981][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.829118][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.829257][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.829395][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.829531][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.829671][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.829807][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.829944][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.830088][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.830225][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.830363][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.830500][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.830637][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.830804][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.830943][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.831083][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.831223][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.831400][  T199]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.831539][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.831680][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.831817][  T199]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.831953][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.832095][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.832230][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.832366][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.832503][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.832818][  T199] RIP: 0033:0x7f863b0a608e
[    9.832966][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.833449][  T199] RSP: 002b:00007ffe31ff0250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.833661][  T199] RAX: ffffffffffffffda RBX: 00007ffe31ff09f8 RCX: 00007f863b0a608e
[    9.833863][  T199] RDX: 0000000000000000 RSI: 00007ffe31ff0300 RDI: 0000000000000005
[    9.834068][  T199] RBP: 00007ffe31ff0260 R08: 0000000000000000 R09: 0000000000000000
[    9.834272][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[    9.834475][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe31ff09c0
| [    9.842321][  T199] ------------[ cut here ]------------
| [    9.842489][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.842728][  T199] Modules linked in:
| [    9.843616][  T199] Tainted: [W]=WARN
[    9.843724][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.843949][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.844188][  T199] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.844671][  T199] RSP: 0018:ffa0000000a471b0 EFLAGS: 00010286
[    9.844841][  T199] RAX: 00000000ffffffa6 RBX: ff1100000c7c2c80 RCX: 1ff4000000148dfc
[    9.845101][  T199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7c2d38
[    9.845303][  T199] RBP: ff110000074e4000 R08: 1fe22000018f85a8 R09: ff11000008388b80
[    9.845502][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.845705][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.845908][  T199] FS:  00007f863ae6c840(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[    9.846204][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.846372][  T199] CR2: 000000000042ebe0 CR3: 000000000d62b003 CR4: 0000000000771ef0
[    9.846570][  T199] PKRU: 55555554
[    9.846700][  T199] Call Trace:
[    9.846801][  T199]  <TASK>
[    9.846870][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.847065][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.847167][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.847303][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.847437][  T199]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.847572][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.847712][  T199]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.847848][  T199]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.848043][  T199]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.848176][  T199]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.848308][  T199]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.848447][  T199]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.848585][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.848727][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.848860][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.849050][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.849184][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.849317][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.849455][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.849590][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.849730][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.849864][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.850053][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.850187][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.850326][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.850459][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.850595][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.850734][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.850870][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.851065][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.851199][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.851336][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.851471][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.851605][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.851777][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.851913][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.852106][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.852242][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.852375][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.852510][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.852680][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.852816][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.852950][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.853144][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.853314][  T199]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.853451][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.853586][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.853728][  T199]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.853863][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.854053][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.854187][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.854319][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.854452][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.854618][  T199] RIP: 0033:0x7f863b0a608e
[    9.854760][  T199] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.855298][  T199] RSP: 002b:00007ffe31ff0250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.855499][  T199] RAX: ffffffffffffffda RBX: 00007ffe31ff09f8 RCX: 00007f863b0a608e
[    9.855705][  T199] RDX: 0000000000000000 RSI: 00007ffe31ff0300 RDI: 0000000000000005
[    9.855904][  T199] RBP: 00007ffe31ff0260 R08: 0000000000000000 R09: 0000000000000000
[    9.856160][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[    9.856357][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe31ff09c0
| [    9.891213][  T201] ------------[ cut here ]------------
| [    9.891388][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [    9.891624][  T201] Modules linked in:
| [    9.892012][  T201] Tainted: [W]=WARN
[    9.892117][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.892289][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.892466][  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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.892960][  T201] RSP: 0018:ffa0000000a56e30 EFLAGS: 00010286
[    9.893130][  T201] RAX: 00000000ffffffa6 RBX: ff1100000c579c40 RCX: 1ff400000014ad8c
[    9.893334][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c579cf8
[    9.893534][  T201] RBP: ff1100000d68c000 R08: 1fe22000018af3a0 R09: ff1100000c31ae80
[    9.893744][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.893945][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004cfa708
[    9.894153][  T201] FS:  00007f3c350ed840(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[    9.894390][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.894560][  T201] CR2: 000000000042ebe0 CR3: 0000000004992005 CR4: 0000000000771ef0
[    9.894766][  T201] PKRU: 55555554
[    9.894867][  T201] Call Trace:
[    9.894971][  T201]  <TASK>
[    9.895042][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.895181][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.895284][  T201]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.895454][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.895591][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.895733][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.895869][  T201]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.896010][  T201]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.896146][  T201]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.896281][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.896418][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.896554][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.896720][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.896863][  T201]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.897004][  T201]  veth_newlink (drivers/net/veth.c:1871)
[    9.897143][  T201]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.897278][  T201]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.897416][  T201]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.897552][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.897709][  T201]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.897847][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.897990][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.898124][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.898260][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.898398][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.898535][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.898673][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.898810][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.898951][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.899095][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.899233][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.899368][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.899503][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.899642][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.899776][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.899917][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.900062][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.900197][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.900331][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.900467][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.900601][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.900744][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.900879][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.901021][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.901156][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.901293][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.901432][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.901566][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.901708][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.901845][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.901986][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.902124][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.902273][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.902409][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.902548][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.902685][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.902820][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.902992][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.903133][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.903270][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.903408][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.903581][  T201]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.903723][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.903859][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.904002][  T201]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.904140][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.904278][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.904414][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.904549][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.904689][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.904858][  T201] RIP: 0033:0x7f3c3532708e
[    9.905003][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.905487][  T201] RSP: 002b:00007fff0a2a0190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.905695][  T201] RAX: ffffffffffffffda RBX: 00007fff0a2a0938 RCX: 00007f3c3532708e
[    9.905897][  T201] RDX: 0000000000000000 RSI: 00007fff0a2a0240 RDI: 0000000000000005
[    9.906105][  T201] RBP: 00007fff0a2a01a0 R08: 0000000000000000 R09: 0000000000000000
[    9.906308][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[    9.906511][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0a2a0900
| [    9.914665][  T201] ------------[ cut here ]------------
| [    9.914825][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [    9.915061][  T201] Modules linked in:
| [    9.915433][  T201] Tainted: [W]=WARN
[    9.915533][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.915705][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.915879][  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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.916360][  T201] RSP: 0018:ffa0000000a571b0 EFLAGS: 00010286
[    9.916527][  T201] RAX: 00000000ffffffa6 RBX: ff1100000c7ac200 RCX: 1ff400000014adfc
[    9.916730][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7ac2b8
[    9.916929][  T201] RBP: ff1100000d689000 R08: 1fe22000018f5858 R09: ff1100000c31ae80
[    9.917172][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.917373][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.917573][  T201] FS:  00007f3c350ed840(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[    9.917812][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.917985][  T201] CR2: 000000000042ebe0 CR3: 0000000004992005 CR4: 0000000000771ef0
[    9.918187][  T201] PKRU: 55555554
[    9.918288][  T201] Call Trace:
[    9.918388][  T201]  <TASK>
[    9.918458][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.918594][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.918701][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.918834][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.918972][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.919110][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.919247][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.919381][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.919517][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.919654][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.919789][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.919928][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.920136][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.920273][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.920406][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.920540][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.920677][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.920811][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.920949][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.921166][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.921303][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.921437][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.921571][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.921709][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.921845][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.922034][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.922227][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.922361][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.922497][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.922636][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.922769][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.922905][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.923063][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.923198][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.923331][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.923466][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.923600][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.923739][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.923872][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.924040][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.924205][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.924342][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.924475][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.924613][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.924789][  T201]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.924923][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.925112][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.925249][  T201]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.925382][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.925516][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.925657][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.925790][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.925923][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.926144][  T201] RIP: 0033:0x7f3c3532708e
[    9.926285][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.926763][  T201] RSP: 002b:00007fff0a2a0190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.927021][  T201] RAX: ffffffffffffffda RBX: 00007fff0a2a0938 RCX: 00007f3c3532708e
[    9.927219][  T201] RDX: 0000000000000000 RSI: 00007fff0a2a0240 RDI: 0000000000000005
[    9.927413][  T201] RBP: 00007fff0a2a01a0 R08: 0000000000000000 R09: 0000000000000000
[    9.927612][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[    9.927815][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0a2a0900
| [    9.960510][  T202] ------------[ cut here ]------------
| [    9.960715][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.960952][  T202] Modules linked in:
| [    9.961352][  T202] Tainted: [W]=WARN
[    9.961460][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.961637][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.961817][  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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.962307][  T202] RSP: 0018:ffa0000000a66e30 EFLAGS: 00010286
[    9.962477][  T202] RAX: 00000000ffffffa6 RBX: ff1100000c7ade00 RCX: 1ff400000014cd8c
[    9.962685][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7adeb8
[    9.962886][  T202] RBP: ff1100000cecc000 R08: 1fe22000018f5bd8 R09: ff1100000c0b2e80
[    9.963097][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.963301][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a4dce88
[    9.963505][  T202] FS:  00007f87a38a4840(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[    9.963749][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.963919][  T202] CR2: 000000000042ebe0 CR3: 000000000d62b002 CR4: 0000000000771ef0
[    9.964129][  T202] PKRU: 55555554
[    9.964230][  T202] Call Trace:
[    9.964333][  T202]  <TASK>
[    9.964403][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.964541][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.964682][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.964785][  T202]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[    9.964923][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[    9.965064][  T202]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.965201][  T202]  ? 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)
[    9.965338][  T202]  ? netif_change_name (net/core/dev.c:1495)
[    9.965476][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.965612][  T202]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.965752][  T202]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.965887][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.966029][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.966165][  T202]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.966302][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.966440][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.966576][  T202]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.966719][  T202]  veth_newlink (drivers/net/veth.c:1871)
[    9.966857][  T202]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.966997][  T202]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.967134][  T202]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.967271][  T202]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.967425][  T202]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.967563][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.967706][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.967842][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.967985][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.968123][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.968261][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.968397][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.968532][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.968679][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.968819][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.968962][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.969098][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.969235][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.969370][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.969509][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.969653][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.969791][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.969928][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.970070][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.970207][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.970345][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.970484][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.970625][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.970763][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.970899][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.971041][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.971183][  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))
[    9.971319][  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))
[    9.971459][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.971599][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.971742][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.971880][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.972024][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.972162][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.972300][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.972436][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.972572][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.972746][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.972886][  T202]  ___sys_sendmsg (net/socket.c:2752)
[    9.973030][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.973170][  T202]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.973360][  T202]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.973502][  T202]  __sys_sendmsg (net/socket.c:2784)
[    9.973644][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.973787][  T202]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.973924][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.974067][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.974205][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.974340][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.974476][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.974650][  T202] RIP: 0033:0x7f87a3ade08e
[    9.974792][  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
[    9.975287][  T202] RSP: 002b:00007ffd46e38970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.975492][  T202] RAX: ffffffffffffffda RBX: 00007ffd46e39118 RCX: 00007f87a3ade08e
[    9.975701][  T202] RDX: 0000000000000000 RSI: 00007ffd46e38a20 RDI: 0000000000000005
[    9.975903][  T202] RBP: 00007ffd46e38980 R08: 0000000000000000 R09: 0000000000000000
[    9.976110][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[    9.976313][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd46e390e0
| [    9.983859][  T202] ------------[ cut here ]------------
| [    9.984064][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.984297][  T202] Modules linked in:
| [    9.984675][  T202] Tainted: [W]=WARN
[    9.984778][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.984945][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.985178][  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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.985729][  T202] RSP: 0018:ffa0000000a671b0 EFLAGS: 00010286
[    9.985897][  T202] RAX: 00000000ffffffa6 RBX: ff11000004b5ac80 RCX: 1ff400000014cdfc
[    9.986176][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b5ad38
[    9.986375][  T202] RBP: ff1100000cec9000 R08: 1fe220000096b5a8 R09: ff1100000c0b2e80
[    9.986577][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.986781][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.987057][  T202] FS:  00007f87a38a4840(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[    9.987292][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.987462][  T202] CR2: 000000000042ebe0 CR3: 000000000d62b002 CR4: 0000000000771ef0
[    9.987669][  T202] PKRU: 55555554
[    9.987772][  T202] Call Trace:
[    9.987872][  T202]  <TASK>
[    9.987940][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.988144][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.988245][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[    9.988379][  T202]  ? netif_change_name (net/core/dev.c:1495)
[    9.988515][  T202]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.988653][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.988790][  T202]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.988926][  T202]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.989119][  T202]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.989252][  T202]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.989387][  T202]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.989528][  T202]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.989672][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.989809][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.989943][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.990103][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.990239][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.990374][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.990515][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.990656][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.990789][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.990924][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.991064][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.991199][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.991335][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.991469][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.991606][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.991744][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.991879][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.992023][  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))
[    9.992157][  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))
[    9.992294][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.992430][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.992567][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.992708][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.992844][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.992986][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.993123][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.993256][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.993390][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.993556][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.993701][  T202]  ___sys_sendmsg (net/socket.c:2752)
[    9.993858][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.994010][  T202]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.994184][  T202]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.994320][  T202]  __sys_sendmsg (net/socket.c:2784)
[    9.994456][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.994595][  T202]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.994735][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.994871][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.995010][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.995144][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.995279][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.995445][  T202] RIP: 0033:0x7f87a3ade08e
[    9.995586][  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
[    9.996071][  T202] RSP: 002b:00007ffd46e38970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.996275][  T202] RAX: ffffffffffffffda RBX: 00007ffd46e39118 RCX: 00007f87a3ade08e
[    9.996473][  T202] RDX: 0000000000000000 RSI: 00007ffd46e38a20 RDI: 0000000000000005
[    9.996685][  T202] RBP: 00007ffd46e38980 R08: 0000000000000000 R09: 0000000000000000
[    9.996890][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[    9.997093][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd46e390e0
| [   10.086554][  T205] ------------[ cut here ]------------
| [   10.086771][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/205
| [   10.087062][  T205] Modules linked in:
| [   10.087524][  T205] Tainted: [W]=WARN
[   10.087676][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.087887][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.088119][  T205] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.088631][  T205] RSP: 0018:ffa0000000a77030 EFLAGS: 00010286
[   10.088846][  T205] RAX: 00000000ffffffa6 RBX: ff1100000567f700 RCX: 1ff400000014edcc
[   10.089102][  T205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000567f7b8
[   10.089342][  T205] RBP: ff110000074e4000 R08: 1fe2200000acfef8 R09: ff1100000c625158
[   10.089583][  T205] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.089832][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000074e4cd1
[   10.090090][  T205] FS:  00007f9dce577840(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[   10.090372][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.090586][  T205] CR2: 00000000344bd988 CR3: 000000000d4af001 CR4: 0000000000771ef0
[   10.090835][  T205] PKRU: 55555554
[   10.090993][  T205] Call Trace:
[   10.091140][  T205]  <TASK>
[   10.091254][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.091436][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.091583][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.091771][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[   10.091951][  T205]  ? netif_change_name (net/core/dev.c:1495)
[   10.092143][  T205]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.092323][  T205]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.092503][  T205]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.092693][  T205]  netif_change_flags (net/core/dev.c:9820)
[   10.092875][  T205]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.093072][  T205]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.093252][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.093464][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.093652][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.093834][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.094027][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.094211][  T205]  ? __kernel_text_address (kernel/extable.c:79)
[   10.094392][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.094573][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.094759][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.094938][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.095131][  T205]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.095310][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.095487][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.095675][  T205]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.095856][  T205]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.096048][  T205]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.096229][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.096410][  T205]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.096588][  T205]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.096775][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.096970][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.097153][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.097331][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.097511][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.097697][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.097876][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.098072][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.098250][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.098432][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.098614][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.098826][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.099022][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.099204][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.099382][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.099561][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.099750][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.099937][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.100133][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.100311][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.100492][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.100683][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.100865][  T205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.101063][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.101248][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.101429][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.101609][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.101798][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.101994][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.102178][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.102359][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.102537][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.102756][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[   10.102936][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.103129][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.103309][  T205]  ___sys_sendmsg (net/socket.c:2752)
[   10.103487][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.103704][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.103895][  T205]  __sys_sendmsg (net/socket.c:2784)
[   10.104089][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.104280][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.104494][  T205]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.104680][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.104861][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.105053][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.105231][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.105415][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.105633][  T205] RIP: 0033:0x7f9dce7b108e
[   10.105825][  T205] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.106353][  T205] RSP: 002b:00007fff7d935ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.106602][  T205] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9dce7b108e
[   10.106854][  T205] RDX: 0000000000000000 RSI: 00007fff7d935f90 RDI: 0000000000000005
[   10.107113][  T205] RBP: 00007fff7d935ef0 R08: 0000000000000000 R09: 0000000000000000
[   10.107356][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[   10.107603][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7d936660
| [   10.258387][  T210] ------------[ cut here ]------------
| [   10.258584][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [   10.258829][  T210] Modules linked in:
| [   10.259368][  T210] Tainted: [W]=WARN
[   10.259501][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.259673][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.259847][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.260323][  T210] RSP: 0018:ffa0000000ac7030 EFLAGS: 00010286
[   10.260490][  T210] RAX: 00000000ffffffa6 RBX: ff110000026af540 RCX: 1ff4000000158dcc
[   10.260694][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026af5f8
[   10.260891][  T210] RBP: ff1100000d689000 R08: 1fe22000004d5ec0 R09: ff1100000c31d158
[   10.261091][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.261290][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d689cd1
[   10.261491][  T210] FS:  00007f7af69e9840(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[   10.261733][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.261899][  T210] CR2: 0000000039229988 CR3: 000000000d73d002 CR4: 0000000000771ef0
[   10.262103][  T210] PKRU: 55555554
[   10.262202][  T210] Call Trace:
[   10.262301][  T210]  <TASK>
[   10.262370][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.262505][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.262607][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.262790][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[   10.262924][  T210]  ? netif_change_name (net/core/dev.c:1495)
[   10.263062][  T210]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.263197][  T210]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.263331][  T210]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.263466][  T210]  netif_change_flags (net/core/dev.c:9820)
[   10.263598][  T210]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.263738][  T210]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.263871][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.264042][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.264178][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.264311][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.264444][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.264579][  T210]  ? __kernel_text_address (kernel/extable.c:79)
[   10.264718][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.264852][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.264989][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.265123][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.265258][  T210]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.265391][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.265523][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.265659][  T210]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.265794][  T210]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.265932][  T210]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.266068][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.266205][  T210]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.266338][  T210]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.266472][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.266610][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.266752][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.266886][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.267027][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.267159][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.267291][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.267428][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.267560][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.267698][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.267828][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.267966][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.268101][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.268235][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.268368][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.268501][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.268646][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.268777][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.268909][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.269049][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.269183][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.269320][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.269452][  T210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.269588][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.269728][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.269860][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.270003][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.270139][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.270272][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.270407][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.270543][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.270683][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.270848][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[   10.270986][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.271119][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.271253][  T210]  ___sys_sendmsg (net/socket.c:2752)
[   10.271385][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.271549][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.271706][  T210]  __sys_sendmsg (net/socket.c:2784)
[   10.271841][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.271978][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.272145][  T210]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.272277][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.272419][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.272554][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.272693][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.272825][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.272996][  T210] RIP: 0033:0x7f7af6c2308e
[   10.273136][  T210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.273607][  T210] RSP: 002b:00007fffb6d22a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.273812][  T210] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7af6c2308e
[   10.274013][  T210] RDX: 0000000000000000 RSI: 00007fffb6d22ab0 RDI: 0000000000000005
[   10.274211][  T210] RBP: 00007fffb6d22a10 R08: 0000000000000000 R09: 0000000000000000
[   10.274406][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[   10.274604][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb6d23180
| [   10.491278][  T217] ------------[ cut here ]------------
| [   10.491462][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/217
| [   10.491701][  T217] Modules linked in:
| [   10.492190][  T217] Tainted: [W]=WARN
[   10.492290][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.492455][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.492632][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.493101][  T217] RSP: 0018:ffa0000000b17030 EFLAGS: 00010286
[   10.493265][  T217] RAX: 00000000ffffffa6 RBX: ff110000026ae580 RCX: 1ff4000000162dcc
[   10.493461][  T217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026ae638
[   10.493660][  T217] RBP: ff11000007fa1000 R08: 1fe22000004d5cc8 R09: ff1100000ce4d158
[   10.493853][  T217] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.494056][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007fa1cd1
[   10.494253][  T217] FS:  00007fe0578a8840(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[   10.494482][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.494651][  T217] CR2: 000000000fd2e988 CR3: 0000000004dae006 CR4: 0000000000771ef0
[   10.494850][  T217] PKRU: 55555554
[   10.494948][  T217] Call Trace:
[   10.495051][  T217]  <TASK>
[   10.495120][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.495253][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.495352][  T217]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.495484][  T217]  __dev_notify_flags (net/core/dev.c:9787)
[   10.495616][  T217]  ? netif_change_name (net/core/dev.c:1495)
[   10.495750][  T217]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.495882][  T217]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.496098][  T217]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.496305][  T217]  netif_change_flags (net/core/dev.c:9820)
[   10.496437][  T217]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.496568][  T217]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.496703][  T217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.496870][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.497088][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.497218][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.497348][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.497480][  T217]  ? __kernel_text_address (kernel/extable.c:79)
[   10.497613][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.497750][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.497882][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.498102][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.498231][  T217]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.498360][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.498490][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.498618][  T217]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.498753][  T217]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.498885][  T217]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.499090][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.499222][  T217]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.499350][  T217]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.499482][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.499615][  T217]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.499749][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.499877][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.500084][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.500213][  T217]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.500342][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.500474][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.500604][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.500741][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.500870][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.501077][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.501206][  T217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.501338][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.501468][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.501597][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.501731][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.501860][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.502049][  T217]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.502183][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.502314][  T217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.502446][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.502576][  T217]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.502716][  T217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.502851][  T217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.503038][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.503170][  T217]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.503302][  T217]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.503432][  T217]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.503566][  T217]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.503700][  T217]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.503831][  T217]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.504046][  T217]  ? move_addr_to_kernel (net/socket.c:258)
[   10.504177][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.504309][  T217]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.504441][  T217]  ___sys_sendmsg (net/socket.c:2752)
[   10.504571][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.504766][  T217]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.504912][  T217]  __sys_sendmsg (net/socket.c:2784)
[   10.505073][  T217]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.505204][  T217]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.505370][  T217]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.505500][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.505635][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.505766][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.505897][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.506032][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.506194][  T217] RIP: 0033:0x7fe057ae208e
[   10.506333][  T217] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.506804][  T217] RSP: 002b:00007fffce9fa540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.507005][  T217] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe057ae208e
[   10.507204][  T217] RDX: 0000000000000000 RSI: 00007fffce9fa5f0 RDI: 0000000000000005
[   10.507399][  T217] RBP: 00007fffce9fa550 R08: 0000000000000000 R09: 0000000000000000
[   10.507595][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[   10.507790][  T217] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffce9facc0
| [   10.510547][   T46] ------------[ cut here ]------------
| [   10.510754][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/46
| [   10.511112][   T46] Modules linked in:
| [   10.511670][   T46] Tainted: [W]=WARN
[   10.511808][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.512242][   T46] Workqueue: events_unbound linkwatch_event
[   10.512459][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.512672][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.513170][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   10.513368][   T46] RAX: 00000000ffffffa6 RBX: ff11000004e68e40 RCX: 1ff4000000065f02
[   10.513594][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e68ef8
[   10.513842][   T46] RBP: ff110000074e4000 R08: 1fe22000009cd1e0 R09: ff11000002408ba8
[   10.514082][   T46] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.514317][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.514546][   T46] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[   10.514809][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.515020][   T46] CR2: 00007f5f3efb9574 CR3: 0000000015f5d006 CR4: 0000000000771ef0
[   10.515245][   T46] PKRU: 55555554
[   10.515382][   T46] Call Trace:
[   10.515521][   T46]  <TASK>
[   10.515637][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.515807][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.515990][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.516131][   T46]  netif_state_change (net/core/dev.c:1605)
[   10.516302][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.516501][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.516674][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.516848][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.517033][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.517201][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.517369][   T46]  ? linkwatch_event (net/core/link_watch.c:312)
[   10.517538][   T46]  process_one_work (kernel/workqueue.c:3314)
[   10.517721][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.517887][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.518073][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.518246][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.518412][   T46]  kthread (kernel/kthread.c:436)
[   10.518549][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.518752][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.518919][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.519098][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.519298][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.519466][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.519639][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.605721][  T220] ------------[ cut here ]------------
| [   10.605897][  T220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/220
| [   10.606143][  T220] Modules linked in:
| [   10.606525][  T220] Tainted: [W]=WARN
[   10.606629][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.606797][  T220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.606974][  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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.607441][  T220] RSP: 0018:ffa0000000b27030 EFLAGS: 00010286
[   10.607609][  T220] RAX: 00000000ffffffa6 RBX: ff11000004e71700 RCX: 1ff4000000164dcc
[   10.607814][  T220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e717b8
[   10.608014][  T220] RBP: ff1100000d68c000 R08: 1fe22000009ce2f8 R09: ff1100000a15ae58
[   10.608208][  T220] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.608403][  T220] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d68ccd1
[   10.608601][  T220] FS:  00007fdbbd141840(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[   10.608836][  T220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.609007][  T220] CR2: 00007fdbbd4111a0 CR3: 000000000a09f005 CR4: 0000000000771ef0
[   10.609205][  T220] PKRU: 55555554
[   10.609304][  T220] Call Trace:
[   10.609405][  T220]  <TASK>
[   10.609474][  T220]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.609608][  T220]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.609713][  T220]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.609846][  T220]  __dev_notify_flags (net/core/dev.c:9787)
[   10.609986][  T220]  ? netif_change_name (net/core/dev.c:1495)
[   10.610118][  T220]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.610249][  T220]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.610382][  T220]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.610516][  T220]  netif_change_flags (net/core/dev.c:9820)
[   10.610655][  T220]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.610789][  T220]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.610920][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.611152][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.611285][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.611415][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.611547][  T220]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.611684][  T220]  ? __kernel_text_address (kernel/extable.c:79)
[   10.611815][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.611947][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.612159][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.612291][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.612420][  T220]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.612550][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.612683][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.612813][  T220]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.612944][  T220]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.613223][  T220]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.613354][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.613489][  T220]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.613619][  T220]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.613757][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.613891][  T220]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.614088][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.614218][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.614349][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.614479][  T220]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.614612][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.614748][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.614878][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.615040][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.615171][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.615303][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.615434][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.615568][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.615701][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.615830][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.615967][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.616096][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.616227][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.616359][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.616492][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.616633][  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))
[   10.616764][  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))
[   10.616897][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.617034][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.617166][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.617299][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.617432][  T220]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.617565][  T220]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.617704][  T220]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.617837][  T220]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.617974][  T220]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.618136][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   10.618267][  T220]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.618399][  T220]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.618533][  T220]  ___sys_sendmsg (net/socket.c:2752)
[   10.618666][  T220]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.618830][  T220]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.618979][  T220]  __sys_sendmsg (net/socket.c:2784)
[   10.619112][  T220]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.619242][  T220]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.619407][  T220]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.619539][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.619674][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.619806][  T220]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.619938][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.620074][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.620238][  T220] RIP: 0033:0x7fdbbd37b08e
[   10.620376][  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
[   10.620849][  T220] RSP: 002b:00007ffd24520160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.621052][  T220] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdbbd37b08e
[   10.621246][  T220] RDX: 0000000000000000 RSI: 00007ffd24520210 RDI: 0000000000000005
[   10.621442][  T220] RBP: 00007ffd24520170 R08: 0000000000000000 R09: 0000000000000000
[   10.621640][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc03
[   10.621836][  T220] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd245208e0
| [   10.631489][   T46] ------------[ cut here ]------------
| [   10.631630][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   10.631881][   T46] Modules linked in:
| [   10.632278][   T46] Tainted: [W]=WARN
[   10.632370][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.632529][   T46] Workqueue: events_unbound linkwatch_event
[   10.632688][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.632848][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.633286][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   10.633438][   T46] RAX: 00000000ffffffa6 RBX: ff110000095391c0 RCX: 1ff4000000065f02
[   10.633620][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009539278
[   10.633808][   T46] RBP: ff1100000d689000 R08: 1fe22000012a7250 R09: ff11000002408ba8
[   10.633996][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.634177][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.634358][   T46] FS:  0000000000000000(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[   10.634575][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.634730][   T46] CR2: 00007fdbbd51b000 CR3: 0000000015f5d003 CR4: 0000000000771ef0
[   10.634917][   T46] PKRU: 55555554
[   10.635015][   T46] Call Trace:
[   10.635111][   T46]  <TASK>
[   10.635175][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.635300][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.635424][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.635518][   T46]  netif_state_change (net/core/dev.c:1605)
[   10.635645][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.635799][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.635919][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.636047][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.636171][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.636293][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.636418][   T46]  process_one_work (kernel/workqueue.c:3314)
[   10.636544][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.636667][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.636793][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.636917][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.637042][   T46]  kthread (kernel/kthread.c:436)
[   10.637135][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.637289][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.637409][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.637531][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.637691][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.637812][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.637933][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.724463][  T223] ------------[ cut here ]------------
| [   10.724648][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/223
| [   10.724887][  T223] Modules linked in:
| [   10.725270][  T223] Tainted: [W]=WARN
[   10.725369][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.725533][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.725711][  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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.726192][  T223] RSP: 0018:ffa0000000b57030 EFLAGS: 00010286
[   10.726364][  T223] RAX: 00000000ffffffa6 RBX: ff11000008fb4740 RCX: 1ff400000016adcc
[   10.726561][  T223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008fb47f8
[   10.726760][  T223] RBP: ff1100000cec9000 R08: 1fe22000011f6900 R09: ff1100000d7f8b58
[   10.726964][  T223] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   10.727162][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cec9cd1
[   10.727363][  T223] FS:  00007fbeaa153840(0000) GS:ff1100008c3c3000(0000) knlGS:0000000000000000
[   10.727595][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.727765][  T223] CR2: 000000002718a988 CR3: 000000000c3d2003 CR4: 0000000000771ef0
[   10.727970][  T223] PKRU: 55555554
[   10.728069][  T223] Call Trace:
[   10.728169][  T223]  <TASK>
[   10.728236][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.728378][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.728482][  T223]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.728617][  T223]  __dev_notify_flags (net/core/dev.c:9787)
[   10.728756][  T223]  ? netif_change_name (net/core/dev.c:1495)
[   10.728887][  T223]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.729023][  T223]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.729154][  T223]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.729288][  T223]  netif_change_flags (net/core/dev.c:9820)
[   10.729421][  T223]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.729554][  T223]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.729695][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.729861][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.730001][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.730135][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.730266][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.730402][  T223]  ? __kernel_text_address (kernel/extable.c:79)
[   10.730534][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.730673][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.730803][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.730934][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.731069][  T223]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.731201][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.731332][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.731463][  T223]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.731596][  T223]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.731732][  T223]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.731865][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.732003][  T223]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.732132][  T223]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.732265][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.732399][  T223]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.732532][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.732668][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.732798][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.732930][  T223]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.733064][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.733197][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.733327][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.733459][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.733591][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.733728][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.733859][  T223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.733998][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.734130][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.734262][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.734395][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.734527][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.734668][  T223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.734798][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.734929][  T223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.735068][  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))
[   10.735199][  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))
[   10.735332][  T223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.735466][  T223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.735597][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.735735][  T223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.735866][  T223]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.736060][  T223]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.736281][  T223]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.736412][  T223]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.736543][  T223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.736710][  T223]  ? move_addr_to_kernel (net/socket.c:258)
[   10.736842][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.737028][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.737159][  T223]  ___sys_sendmsg (net/socket.c:2752)
[   10.737288][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.737451][  T223]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.737594][  T223]  __sys_sendmsg (net/socket.c:2784)
[   10.737732][  T223]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.737862][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.738116][  T223]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.738248][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.738381][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.738511][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.738649][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.738783][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.738946][  T223] RIP: 0033:0x7fbeaa38d08e
[   10.739158][  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
[   10.739628][  T223] RSP: 002b:00007ffdf6ccc7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.739827][  T223] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbeaa38d08e
[   10.740096][  T223] RDX: 0000000000000000 RSI: 00007ffdf6ccc870 RDI: 0000000000000005
[   10.740292][  T223] RBP: 00007ffdf6ccc7d0 R08: 0000000000000000 R09: 0000000000000000
[   10.740487][  T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc04
[   10.740690][  T223] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf6cccf40
| [   10.860698][   T46] ------------[ cut here ]------------
| [   10.860877][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   10.861143][   T46] Modules linked in:
| [   10.861537][   T46] Tainted: [W]=WARN
[   10.861652][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.861813][   T46] Workqueue: events_unbound linkwatch_event
[   10.861981][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.862143][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.862582][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   10.862742][   T46] RAX: 00000000ffffffa6 RBX: ff11000004e883c0 RCX: 1ff4000000065f02
[   10.862928][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004e88478
[   10.863128][   T46] RBP: ff11000007fa1000 R08: 1fe22000009d1090 R09: ff11000002408ba8
[   10.863312][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.863498][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.863692][   T46] FS:  0000000000000000(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[   10.863936][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.864097][   T46] CR2: 00007f94848d1000 CR3: 0000000015f5d005 CR4: 0000000000771ef0
[   10.864281][   T46] PKRU: 55555554
[   10.864374][   T46] Call Trace:
[   10.864466][   T46]  <TASK>
[   10.864532][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.864662][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.864794][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.864889][   T46]  netif_state_change (net/core/dev.c:1605)
[   10.865026][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.865180][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.865303][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.865429][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.865555][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.865684][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.865807][   T46]  process_one_work (kernel/workqueue.c:3314)
[   10.865937][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.866066][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.866196][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.866323][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.866450][   T46]  kthread (kernel/kthread.c:436)
[   10.866544][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.866702][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.866836][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.866969][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.867130][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.867255][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.867380][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.869346][   T46] ------------[ cut here ]------------
| [   10.869474][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   10.869740][   T46] Modules linked in:
| [   10.870121][   T46] Tainted: [W]=WARN
[   10.870215][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.870370][   T46] Workqueue: events_unbound linkwatch_event
[   10.870528][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.870690][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.871143][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   10.871297][   T46] RAX: 00000000ffffffa6 RBX: ff11000004b5aac0 RCX: 1ff4000000065f02
[   10.871480][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b5ab78
[   10.871667][   T46] RBP: ff1100000d68c000 R08: 1fe220000096b570 R09: ff11000002408ba8
[   10.871849][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   10.872040][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.872229][   T46] FS:  0000000000000000(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[   10.872442][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.872594][   T46] CR2: 00007f94848d1000 CR3: 0000000015f5d005 CR4: 0000000000771ef0
[   10.872783][   T46] PKRU: 55555554
[   10.872875][   T46] Call Trace:
[   10.872969][   T46]  <TASK>
[   10.873034][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.873157][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.873282][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.873376][   T46]  netif_state_change (net/core/dev.c:1605)
[   10.873499][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.873662][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.873784][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.873906][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.874033][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.874155][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.874278][   T46]  process_one_work (kernel/workqueue.c:3314)
[   10.874413][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.874536][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.874671][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.874796][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.874915][   T46]  kthread (kernel/kthread.c:436)
[   10.875012][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.875164][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.875286][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.875412][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.875565][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.875691][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.875813][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.907347][  T228] ------------[ cut here ]------------
| [   10.907544][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/228
| [   10.907833][  T228] Modules linked in:
| [   10.908670][  T228] Tainted: [W]=WARN
[   10.908916][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.909216][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.909489][  T228] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.910078][  T228] RSP: 0018:ffa0000000897030 EFLAGS: 00010286
[   10.910311][  T228] RAX: 00000000ffffffa6 RBX: ff1100000c375380 RCX: 1ff4000000112dcc
[   10.910558][  T228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c375438
[   10.910805][  T228] RBP: ff1100000cecc000 R08: 1fe220000186ea88 R09: ff1100000c460b58
[   10.911057][  T228] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.911301][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cecccd1
[   10.911542][  T228] FS:  00007f352ae0c840(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[   10.911824][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.912048][  T228] CR2: 000000002990e988 CR3: 000000000a769004 CR4: 0000000000771ef0
[   10.912295][  T228] PKRU: 55555554
[   10.912439][  T228] Call Trace:
[   10.912583][  T228]  <TASK>
[   10.912705][  T228]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.912885][  T228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.913041][  T228]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.913218][  T228]  __dev_notify_flags (net/core/dev.c:9787)
[   10.913398][  T228]  ? netif_change_name (net/core/dev.c:1495)
[   10.913579][  T228]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.913764][  T228]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.913943][  T228]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.914137][  T228]  netif_change_flags (net/core/dev.c:9820)
[   10.914316][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.914496][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.914683][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.914898][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.915090][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.915270][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.915450][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.915656][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   10.915836][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.916031][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.916213][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.916391][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.916570][  T228]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.916759][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.916935][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.917127][  T228]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.917307][  T228]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.917488][  T228]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.917674][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.917854][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.918043][  T228]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.918225][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.918406][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.918586][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.918770][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.918967][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.919146][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.919324][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.919506][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.919694][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.919874][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.920066][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.920249][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.920428][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.920607][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.920794][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.920985][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.921165][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.921342][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.921522][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.921713][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.921893][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.922089][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.922267][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.922448][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.922637][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.922817][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.923009][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.923193][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.923374][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.923556][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.923744][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.923923][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.924143][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   10.924325][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.924506][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.924696][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   10.924872][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.925098][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.925287][  T228]  __sys_sendmsg (net/socket.c:2784)
[   10.925467][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.925650][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.925870][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.926063][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.926243][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.926422][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.926605][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.926794][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.927018][  T228] RIP: 0033:0x7f352b04608e
[   10.927205][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.927726][  T228] RSP: 002b:00007ffc432be160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.927982][  T228] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f352b04608e
[   10.928226][  T228] RDX: 0000000000000000 RSI: 00007ffc432be210 RDI: 0000000000000005
[   10.928467][  T228] RBP: 00007ffc432be170 R08: 0000000000000000 R09: 0000000000000000
[   10.928718][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dc04
[   10.928976][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc432be8e0
| [   10.932267][  T102] ------------[ cut here ]------------
| [   10.932403][  T102] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/102
| [   10.932651][  T102] Modules linked in:
| [   10.933033][  T102] Tainted: [W]=WARN
[   10.933125][  T102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.933278][  T102] Workqueue: events_unbound linkwatch_event
[   10.933436][  T102] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.933598][  T102] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.934054][  T102] RSP: 0018:ffa00000006379e0 EFLAGS: 00010286
[   10.934210][  T102] RAX: 00000000ffffffa6 RBX: ff11000004b5b8c0 RCX: 1ff40000000c6f02
[   10.934390][  T102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b5b978
[   10.934573][  T102] RBP: ff1100000cecc000 R08: 1fe220000096b730 R09: ff1100000c61aea8
[   10.934759][  T102] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.934939][  T102] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.935128][  T102] FS:  0000000000000000(0000) GS:ff1100008c3c3000(0000) knlGS:0000000000000000
[   10.935343][  T102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.935494][  T102] CR2: 00005639fdf3fd5c CR3: 000000000cf57004 CR4: 0000000000771ef0
[   10.935681][  T102] PKRU: 55555554
[   10.935772][  T102] Call Trace:
[   10.935861][  T102]  <TASK>
[   10.935925][  T102]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.936056][  T102]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.936182][  T102]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.936274][  T102]  netif_state_change (net/core/dev.c:1605)
[   10.936398][  T102]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.936550][  T102]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.936681][  T102]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.936802][  T102]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.936926][  T102]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.937057][  T102]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.937180][  T102]  process_one_work (kernel/workqueue.c:3314)
[   10.937306][  T102]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.937428][  T102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.937554][  T102]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.937680][  T102]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.937801][  T102]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.937926][  T102]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.938052][  T102]  kthread (kernel/kthread.c:436)
[   10.938143][  T102]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.938295][  T102]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.938415][  T102]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.938537][  T102]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.938697][  T102]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.938819][  T102]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.938939][  T102]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.941566][  T102] ------------[ cut here ]------------
| [   10.941702][  T102] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/102
| [   10.941938][  T102] Modules linked in:
| [   10.942370][  T102] Tainted: [W]=WARN
[   10.942460][  T102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.942613][  T102] Workqueue: events_unbound linkwatch_event
[   10.942776][  T102] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.942931][  T102] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.943376][  T102] RSP: 0018:ffa00000006379e0 EFLAGS: 00010286
[   10.943533][  T102] RAX: 00000000ffffffa6 RBX: ff110000094f0040 RCX: 1ff40000000c6f02
[   10.943717][  T102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094f00f8
[   10.943899][  T102] RBP: ff1100000cec9000 R08: 1fe220000129e020 R09: ff1100000c61aea8
[   10.944082][  T102] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.944259][  T102] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.944447][  T102] FS:  0000000000000000(0000) GS:ff1100008c3c3000(0000) knlGS:0000000000000000
[   10.944661][  T102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.944813][  T102] CR2: 00005639fdf3fd5c CR3: 000000000cf57004 CR4: 0000000000771ef0
[   10.944998][  T102] PKRU: 55555554
[   10.945088][  T102] Call Trace:
[   10.945177][  T102]  <TASK>
[   10.945241][  T102]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.945362][  T102]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.945484][  T102]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.945579][  T102]  netif_state_change (net/core/dev.c:1605)
[   10.945706][  T102]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.945857][  T102]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.945985][  T102]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.946108][  T102]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.946232][  T102]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.946352][  T102]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.946476][  T102]  process_one_work (kernel/workqueue.c:3314)
[   10.946603][  T102]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.946738][  T102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.946867][  T102]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.946997][  T102]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.947117][  T102]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.947240][  T102]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.947360][  T102]  kthread (kernel/kthread.c:436)
[   10.947451][  T102]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.947601][  T102]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.947727][  T102]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.947851][  T102]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.948089][  T102]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.948228][  T102]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.948350][  T102]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.887814][   T12] ------------[ cut here ]------------
| [  116.888074][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  116.888339][   T12] Modules linked in: sch_netem
| [  116.888839][   T12] Tainted: [W]=WARN
[  116.888939][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.889195][   T12] Workqueue: netns cleanup_net
[  116.889329][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.889497][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.890060][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.890224][   T12] RAX: 00000000ffffffa6 RBX: ff11000004c8a200 RCX: 1ff4000000018eaf
[  116.890437][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004c8a2b8
[  116.890630][   T12] RBP: ff1100000d689000 R08: 1fe2200000991458 R09: ff11000001b051d0
[  116.890819][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  116.891093][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d68c000
[  116.891287][   T12] FS:  0000000000000000(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[  116.891513][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.891762][   T12] CR2: 00007fbb1c95bc20 CR3: 0000000015f5d006 CR4: 0000000000771ef0
[  116.892040][   T12] PKRU: 55555554
[  116.892137][   T12] Call Trace:
[  116.892232][   T12]  <TASK>
[  116.892298][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.892428][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.892528][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.892656][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.892784][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.892913][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.893116][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.893249][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.893408][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.893536][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.893695][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.893824][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.894145][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.894273][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.894400][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.894557][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.894685][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.894893][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.895088][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.895223][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.895349][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.895474][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.895603][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.895810][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.895937][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.896075][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.896203][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.896407][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.896534][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.896659][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.896785][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.897004][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.897133][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.897264][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.897394][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.897602][   T12]  kthread (kernel/kthread.c:436)
[  116.897698][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.897856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.897993][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.898202][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.898362][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.898490][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.898617][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.902165][   T12] ------------[ cut here ]------------
| [  116.902303][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  116.902554][   T12] Modules linked in: sch_netem
| [  116.903067][   T12] Tainted: [W]=WARN
[  116.903162][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.903326][   T12] Workqueue: netns cleanup_net
[  116.903542][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.903706][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.904250][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.904410][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c655e00 RCX: 1ff4000000018eaf
[  116.904602][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c655eb8
[  116.904875][   T12] RBP: ff1100000d68c000 R08: 1fe22000018cabd8 R09: ff11000001b051d0
[  116.905073][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  116.905423][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000074e4000
[  116.905612][   T12] FS:  0000000000000000(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[  116.905832][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.906079][   T12] CR2: 00007fbb1c95bc20 CR3: 0000000015f5d006 CR4: 0000000000771ef0
[  116.906268][   T12] PKRU: 55555554
[  116.906365][   T12] Call Trace:
[  116.906457][   T12]  <TASK>
[  116.906604][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.906734][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  116.906861][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.906966][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.907174][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.907299][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.907423][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.907550][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.907757][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.907912][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.908049][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.908206][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.908413][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.908571][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.908696][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.908821][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.909065][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.909192][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.909320][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.909528][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.909655][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.909783][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.909910][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.910187][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.910314][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.910438][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.910567][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.910693][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.910819][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.910948][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.911156][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.911348][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.911480][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.911617][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.911747][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.911875][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.912066][   T12]  kthread (kernel/kthread.c:436)
[  116.912162][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.912316][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.912441][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.912569][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.912724][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.912849][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.913026][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.916518][   T12] ------------[ cut here ]------------
| [  116.916658][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  116.916909][   T12] Modules linked in: sch_netem
| [  116.917392][   T12] Tainted: [W]=WARN
[  116.917485][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.917641][   T12] Workqueue: netns cleanup_net
[  116.917769][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.917932][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.918389][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.918547][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a12e040 RCX: 1ff4000000018eaf
[  116.918732][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a12e0f8
[  116.918917][   T12] RBP: ff110000074e4000 R08: 1fe2200001425c20 R09: ff11000001b051d0
[  116.919117][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  116.919307][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007fa1000
[  116.919494][   T12] FS:  0000000000000000(0000) GS:ff1100008c3c3000(0000) knlGS:0000000000000000
[  116.919712][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.919867][   T12] CR2: 00005639fdf3fd5c CR3: 00000000108c6002 CR4: 0000000000771ef0
[  116.920116][   T12] PKRU: 55555554
[  116.920208][   T12] Call Trace:
[  116.920301][   T12]  <TASK>
[  116.920367][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.920491][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  116.920618][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.920713][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.920839][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.921017][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.921189][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.921312][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.921437][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.921589][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.921715][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.921871][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.922049][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.922204][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.922330][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.922454][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.922609][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.922737][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.922861][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.923038][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.923162][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.923287][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.923411][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.923538][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.923663][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.923787][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.923917][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.924095][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.924219][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.924345][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.924469][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.924595][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.924723][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.924847][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.925032][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.925160][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.925284][   T12]  kthread (kernel/kthread.c:436)
[  116.925377][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.925529][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.925655][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.925781][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.925939][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.926114][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.926238][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.929164][   T12] ------------[ cut here ]------------
| [  116.929338][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  116.929633][   T12] Modules linked in: sch_netem
| [  116.930166][   T12] Tainted: [W]=WARN
[  116.930307][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.930510][   T12] Workqueue: netns cleanup_net
[  116.930687][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.930898][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.931439][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.931642][   T12] RAX: 00000000ffffffa6 RBX: ff11000011157000 RCX: 1ff4000000018eaf
[  116.931875][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000111570b8
[  116.932131][   T12] RBP: ff11000007fa1000 R08: 1fe220000222ae18 R09: ff11000001b051d0
[  116.932367][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  116.932598][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000081c9000
[  116.932832][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  116.933119][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.933324][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  116.933561][   T12] PKRU: 55555554
[  116.933702][   T12] Call Trace:
[  116.933845][   T12]  <TASK>
[  116.933977][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.934154][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  116.934328][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.934474][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.934650][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.934822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.935012][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.935188][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.935364][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.935567][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.935743][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.935948][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.936198][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.936401][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.936575][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.936747][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.936972][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.937149][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.937326][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.937496][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.937669][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.937843][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.938037][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.938214][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.938390][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.938560][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.938740][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.938915][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.939105][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.939280][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.939587][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.939761][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.939939][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.940138][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.940317][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.940494][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.940667][   T12]  kthread (kernel/kthread.c:436)
[  116.940808][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.941034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.941209][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.941389][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.941606][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.941780][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.941960][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.945117][   T12] ------------[ cut here ]------------
| [  116.945288][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  116.945580][   T12] Modules linked in: sch_netem
| [  116.946132][   T12] Tainted: [W]=WARN
[  116.946284][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.946486][   T12] Workqueue: netns cleanup_net
[  116.946663][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.946873][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.947384][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  116.947589][   T12] RAX: 00000000ffffffa6 RBX: ff1100001113c200 RCX: 1ff4000000018eaf
[  116.947824][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100001113c2b8
[  116.948083][   T12] RBP: ff110000081c9000 R08: 1fe2200002227858 R09: ff11000001b051d0
[  116.948317][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  116.948551][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  116.948784][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  116.949319][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.949639][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  116.949945][   T12] PKRU: 55555554
[  116.950248][   T12] Call Trace:
[  116.950456][   T12]  <TASK>
[  116.950667][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  116.950893][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  116.951139][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  116.951333][   T12]  netif_close_many (net/core/dev.c:1804)
[  116.951553][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.951772][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.952010][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.952233][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  116.952455][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  116.952708][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  116.952930][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  116.953200][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.953421][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.953700][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.953926][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.954194][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.954452][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  116.954678][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.954900][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.955142][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.955368][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.955589][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.955809][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.956056][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.956282][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.956504][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.956727][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.956949][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.957232][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.957488][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.957710][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.957937][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.958181][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.958510][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.958729][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.958905][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.959099][   T12]  kthread (kernel/kthread.c:436)
[  116.959244][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.959469][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.959643][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.959819][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.960046][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.960221][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.960395][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.964474][   T12] ------------[ cut here ]------------
| [  116.964638][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  116.965026][   T12] Modules linked in: sch_netem
| [  116.965513][   T12] Tainted: [W]=WARN
[  116.965652][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.965862][   T12] Workqueue: netns cleanup_net
[  116.966060][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.966266][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.966759][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  116.966980][   T12] RAX: 00000000ffffffa6 RBX: ff1100000908f000 RCX: 1ff4000000018ed5
[  116.967206][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000908f0b8
[  116.967432][   T12] RBP: ff1100000d689000 R08: 1fe2200001211e18 R09: ff11000001b051d0
[  116.967656][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  116.967884][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  116.968133][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  116.968393][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.968667][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  116.968898][   T12] PKRU: 55555554
[  116.969055][   T12] Call Trace:
[  116.969194][   T12]  <TASK>
[  116.969332][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  116.969534][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.969805][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.969992][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.970161][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.970456][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.970627][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.970793][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.970983][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.971228][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.971398][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.971570][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.971745][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.971914][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.972181][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.972353][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.972518][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.972688][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.972857][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.973052][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.973224][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.973392][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.973566][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.973739][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.974076][   T12]  kthread (kernel/kthread.c:436)
[  116.974216][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.974417][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.974587][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.974757][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.975122][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.975290][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.975459][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.982029][   T12] ------------[ cut here ]------------
| [  116.982197][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  116.982480][   T12] Modules linked in: sch_netem
| [  116.983543][   T12] Tainted: [W]=WARN
[  116.983732][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.983992][   T12] Workqueue: netns cleanup_net
[  116.984214][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  116.984466][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  116.985007][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  116.985250][   T12] RAX: 00000000ffffffa6 RBX: ff110000049a9000 RCX: 1ff4000000018ed5
[  116.985518][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000049a90b8
[  116.985791][   T12] RBP: ff1100000d68c000 R08: 1fe2200000935218 R09: ff11000001b051d0
[  116.986078][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  116.986347][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  116.986619][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  116.986924][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.987188][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  116.987460][   T12] PKRU: 55555554
[  116.987640][   T12] Call Trace:
[  116.987822][   T12]  <TASK>
[  116.987994][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  116.988242][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  116.988486][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  116.988697][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.988908][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  116.989219][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  116.989482][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  116.989750][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  116.989948][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  116.990136][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.990305][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  116.990477][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  116.990646][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  116.990812][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  116.991002][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  116.991171][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  116.991339][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  116.991511][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  116.991680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  116.991848][   T12]  process_one_work (kernel/workqueue.c:3314)
[  116.992038][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  116.992205][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  116.992377][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  116.992549][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  116.992719][   T12]  kthread (kernel/kthread.c:436)
[  116.992856][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  116.993068][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.993235][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  116.993404][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  116.993601][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  116.993768][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  116.993938][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  116.999595][   T12] ------------[ cut here ]------------
| [  116.999757][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  117.000062][   T12] Modules linked in: sch_netem
| [  117.000588][   T12] Tainted: [W]=WARN
[  117.000723][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.000920][   T12] Workqueue: netns cleanup_net
[  117.001228][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.001530][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.002110][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.002402][   T12] RAX: 00000000ffffffa6 RBX: ff110000025ff700 RCX: 1ff4000000018ed5
[  117.002722][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000025ff7b8
[  117.003060][   T12] RBP: ff110000074e4000 R08: 1fe22000004bfef8 R09: ff11000001b051d0
[  117.003370][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  117.003670][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.003943][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  117.004264][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.004508][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  117.004779][   T12] PKRU: 55555554
[  117.004914][   T12] Call Trace:
[  117.005072][   T12]  <TASK>
[  117.005182][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.005384][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.005592][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.005761][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.005930][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.006153][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.006328][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.006494][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.006662][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.006833][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.007019][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.007216][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.007389][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.007560][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.007732][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.007901][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.008088][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.008290][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.008461][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.008632][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.008810][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.008998][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.009173][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.009347][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.009547][   T12]  kthread (kernel/kthread.c:436)
[  117.009686][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.009914][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.010106][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.010278][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.010477][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.010649][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.010818][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.014598][   T12] ------------[ cut here ]------------
| [  117.014781][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  117.015093][   T12] Modules linked in: sch_netem
| [  117.015598][   T12] Tainted: [W]=WARN
[  117.015736][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.015932][   T12] Workqueue: netns cleanup_net
[  117.016191][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.016526][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.017073][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.017360][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c779540 RCX: 1ff4000000018ed5
[  117.017630][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7795f8
[  117.017903][   T12] RBP: ff11000007fa1000 R08: 1fe22000018ef2c0 R09: ff11000001b051d0
[  117.018194][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  117.018474][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.018749][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  117.019078][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.019322][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  117.019596][   T12] PKRU: 55555554
[  117.019777][   T12] Call Trace:
[  117.019979][   T12]  <TASK>
[  117.020134][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.020381][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.020623][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.020836][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.021072][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.021319][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.021534][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.021746][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.021979][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.022197][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.022410][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.022626][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.022843][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.023077][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.023294][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.023509][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.023726][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.023939][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.024172][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.024388][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.024606][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.024819][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.025061][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.025283][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.025503][   T12]  kthread (kernel/kthread.c:436)
[  117.025743][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.026061][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.026326][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.026591][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.026884][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.027097][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.027264][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.031212][   T12] ------------[ cut here ]------------
| [  117.031376][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  117.031664][   T12] Modules linked in: sch_netem
| [  117.032192][   T12] Tainted: [W]=WARN
[  117.032330][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.032532][   T12] Workqueue: netns cleanup_net
[  117.032707][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.032915][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.033474][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.033726][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a41c900 RCX: 1ff4000000018ed5
[  117.034025][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a41c9b8
[  117.034312][   T12] RBP: ff110000081c9000 R08: 1fe2200001483938 R09: ff11000001b051d0
[  117.034586][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  117.034861][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.035160][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  117.035470][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.035725][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  117.036022][   T12] PKRU: 55555554
[  117.036218][   T12] Call Trace:
[  117.036408][   T12]  <TASK>
[  117.036564][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.036819][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.037113][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.037330][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.037545][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.037813][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.038050][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.038268][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.038487][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.038703][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.038917][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.039154][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.039374][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.039589][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.039811][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.040047][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.040266][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.040484][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.040700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.040916][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.041158][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.041380][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.041568][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.041741][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.041911][   T12]  kthread (kernel/kthread.c:436)
[  117.042071][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.042273][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.042444][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.042621][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.042821][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.043013][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.043186][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.079979][   T12] ------------[ cut here ]------------
| [  117.080161][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  117.080455][   T12] Modules linked in: sch_netem
| [  117.080981][   T12] Tainted: [W]=WARN
[  117.081124][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.081331][   T12] Workqueue: netns cleanup_net
[  117.081514][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.081760][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.082452][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  117.082656][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a41cc80 RCX: 1ff4000000018eaf
[  117.082891][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a41cd38
[  117.083141][   T12] RBP: ff1100000cec9000 R08: 1fe22000014839a8 R09: ff11000001b051d0
[  117.083376][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  117.083608][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cecc000
[  117.083848][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  117.084135][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.084340][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  117.084576][   T12] PKRU: 55555554
[  117.084716][   T12] Call Trace:
[  117.084856][   T12]  <TASK>
[  117.085017][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.085195][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.085340][   T12]  netif_close_many (net/core/dev.c:1804)
[  117.085516][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.085687][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.085859][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.086053][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  117.086228][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  117.086435][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.086612][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  117.086817][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.087012][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.087243][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.087415][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.087588][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.087794][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  117.087988][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.088164][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.088335][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.088509][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.088684][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.088858][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.089055][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.089231][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.089403][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.089582][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.089755][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.089926][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.090122][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.090297][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.090472][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.090648][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.090820][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.091017][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.091196][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.091368][   T12]  kthread (kernel/kthread.c:436)
[  117.091512][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.091717][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.091922][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.092131][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.092335][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.092507][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.092683][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.095894][   T12] ------------[ cut here ]------------
| [  117.096081][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  117.096383][   T12] Modules linked in: sch_netem
| [  117.096891][   T12] Tainted: [W]=WARN
[  117.097051][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.097261][   T12] Workqueue: netns cleanup_net
[  117.097441][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.097657][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.098175][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  117.098385][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b699700 RCX: 1ff4000000018eaf
[  117.098623][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b6997b8
[  117.098859][   T12] RBP: ff1100000cecc000 R08: 1fe22000016d32f8 R09: ff11000001b051d0
[  117.099118][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  117.099352][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091ec000
[  117.099595][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  117.099863][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.100090][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  117.100358][   T12] PKRU: 55555554
[  117.100500][   T12] Call Trace:
[  117.100643][   T12]  <TASK>
[  117.100759][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.100935][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  117.101134][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.101281][   T12]  netif_close_many (net/core/dev.c:1804)
[  117.101457][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.101632][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.101806][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.102006][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  117.102183][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  117.102389][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.102579][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  117.102787][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.102981][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.103187][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.103370][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.103545][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.103752][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  117.103930][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.104129][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.104305][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.104514][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.104690][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.104864][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.105063][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.105242][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.105415][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.105595][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.105770][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.105944][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.106140][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.106318][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.106494][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.106674][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.106851][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.107049][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.107233][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.107406][   T12]  kthread (kernel/kthread.c:436)
[  117.107553][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.107757][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.107932][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.108132][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.108352][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.108524][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.108699][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.111576][   T12] ------------[ cut here ]------------
| [  117.111776][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  117.112092][   T12] Modules linked in: sch_netem
| [  117.112601][   T12] Tainted: [W]=WARN
[  117.112743][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.112948][   T12] Workqueue: netns cleanup_net
[  117.113207][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.113419][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.113916][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  117.114144][   T12] RAX: 00000000ffffffa6 RBX: ff1100000955d540 RCX: 1ff4000000018eaf
[  117.114378][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000955d5f8
[  117.114611][   T12] RBP: ff110000091ec000 R08: 1fe22000012abac0 R09: ff11000001b051d0
[  117.114846][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  117.115101][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  117.115338][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  117.115605][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.115814][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  117.116070][   T12] PKRU: 55555554
[  117.116211][   T12] Call Trace:
[  117.116353][   T12]  <TASK>
[  117.116464][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.116639][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  117.116814][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.116982][   T12]  netif_close_many (net/core/dev.c:1804)
[  117.117159][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.117332][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.117504][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.117677][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  117.117852][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  117.118074][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.118250][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  117.118460][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.118634][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.118838][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.119115][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.119289][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.119493][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  117.119751][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.119928][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.120122][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.120298][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.120475][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.120683][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.120862][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.121460][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.121646][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.121849][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.122049][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.122223][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.122397][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.122571][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.122747][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.122926][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.123117][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.123296][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.123476][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.123649][   T12]  kthread (kernel/kthread.c:436)
[  117.123793][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.124014][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.124190][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.124369][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.124573][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.124747][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.124921][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.127897][   T12] ------------[ cut here ]------------
| [  117.128077][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  117.128464][   T12] Modules linked in: sch_netem
| [  117.129423][   T12] Tainted: [W]=WARN
[  117.129571][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.129798][   T12] Workqueue: netns cleanup_net
[  117.129994][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.130201][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.130759][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.130979][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c2e6e40 RCX: 1ff4000000018ed5
[  117.131285][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c2e6ef8
[  117.131547][   T12] RBP: ff1100000cec9000 R08: 1fe220000185cde0 R09: ff11000001b051d0
[  117.131799][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  117.132074][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.132304][   T12] FS:  0000000000000000(0000) GS:ff1100008c443000(0000) knlGS:0000000000000000
[  117.132647][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.132923][   T12] CR2: 00007f45e7b38668 CR3: 0000000015f5d001 CR4: 0000000000771ef0
[  117.133169][   T12] PKRU: 55555554
[  117.133307][   T12] Call Trace:
[  117.133473][   T12]  <TASK>
[  117.133595][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.133897][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.134117][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.134327][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.134499][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.134705][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.134877][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.135067][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.135318][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.135516][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.135686][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.135857][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.136045][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.136213][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.136386][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.136560][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.136727][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.136900][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.137125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.137297][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.137473][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.137643][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.137822][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.138016][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.138185][   T12]  kthread (kernel/kthread.c:436)
[  117.138325][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.138524][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.138770][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.138944][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.139165][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.139484][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.139653][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.147981][   T12] ------------[ cut here ]------------
| [  117.148122][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  117.148364][   T12] Modules linked in: sch_netem
| [  117.148766][   T12] Tainted: [W]=WARN
[  117.148858][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.149693][   T12] Workqueue: netns cleanup_net
[  117.149822][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.150076][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.150509][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.150664][   T12] RAX: 00000000ffffffa6 RBX: ff110000122a6040 RCX: 1ff4000000018ed5
[  117.150846][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000122a60f8
[  117.151084][   T12] RBP: ff1100000cecc000 R08: 1fe2200002454c20 R09: ff11000001b051d0
[  117.151330][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  117.151509][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.151694][   T12] FS:  0000000000000000(0000) GS:ff1100008c4c3000(0000) knlGS:0000000000000000
[  117.151912][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.152142][   T12] CR2: 00005639fdf3fd5c CR3: 000000000cf57002 CR4: 0000000000771ef0
[  117.152326][   T12] PKRU: 55555554
[  117.152417][   T12] Call Trace:
[  117.152574][   T12]  <TASK>
[  117.152638][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.152795][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.152948][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.153153][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.153276][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.153509][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.153633][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.153755][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.153880][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.154080][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.154272][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.154397][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.154519][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.154644][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.154768][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.154891][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.155092][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.155216][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.155338][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.155466][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.155591][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.155712][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.155839][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.156043][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.156163][   T12]  kthread (kernel/kthread.c:436)
[  117.156255][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.156405][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.156538][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.156660][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.156812][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.156934][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.157146][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.162468][   T12] ------------[ cut here ]------------
| [  117.162598][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  117.162837][   T12] Modules linked in: sch_netem
| [  117.163340][   T12] Tainted: [W]=WARN
[  117.163432][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.163582][   T12] Workqueue: netns cleanup_net
[  117.163707][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.163864][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.164402][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.164555][   T12] RAX: 00000000ffffffa6 RBX: ff110000122a6ac0 RCX: 1ff4000000018ed5
[  117.164735][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000122a6b78
[  117.164916][   T12] RBP: ff110000091ec000 R08: 1fe2200002454d70 R09: ff11000001b051d0
[  117.165208][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  117.165418][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.165601][   T12] FS:  0000000000000000(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[  117.165813][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.166064][   T12] CR2: 00007f614d307574 CR3: 0000000015f5d003 CR4: 0000000000771ef0
[  117.166247][   T12] PKRU: 55555554
[  117.166336][   T12] Call Trace:
[  117.166425][   T12]  <TASK>
[  117.166489][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.166643][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.166792][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.166913][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.167115][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  117.167270][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.167392][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.167512][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.167634][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.167757][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.167877][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.168025][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.168148][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.168267][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.168396][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.168517][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.168637][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.168760][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.168881][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.169046][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.169171][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.169291][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.169417][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.169543][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.169663][   T12]  kthread (kernel/kthread.c:436)
[  117.169754][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.169906][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.170041][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.170162][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.170314][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.170435][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.170556][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.206224][   T12] ------------[ cut here ]------------
| [  117.206388][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  117.206639][   T12] Modules linked in: sch_netem
| [  117.207074][   T12] Tainted: [W]=WARN
[  117.207171][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.207332][   T12] Workqueue: netns cleanup_net
[  117.207465][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.207637][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.208103][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  117.208274][   T12] RAX: 00000000ffffffa6 RBX: ff110000122a78c0 RCX: 1ff4000000018eaf
[  117.208465][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000122a7978
[  117.208654][   T12] RBP: ff11000005839000 R08: 1fe2200002454f30 R09: ff11000001b051d0
[  117.208841][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  117.209039][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  117.209229][   T12] FS:  0000000000000000(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[  117.209452][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.209616][   T12] CR2: 00007f614d307574 CR3: 0000000015f5d003 CR4: 0000000000771ef0
[  117.209809][   T12] PKRU: 55555554
[  117.209906][   T12] Call Trace:
[  117.210011][   T12]  <TASK>
[  117.210077][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  117.210208][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  117.210306][   T12]  netif_close_many (net/core/dev.c:1804)
[  117.210431][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.210559][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.210686][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.210812][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  117.210942][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  117.211111][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[  117.211240][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  117.211400][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  117.211526][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.211653][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[  117.211780][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.211939][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  117.212081][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.212208][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.212333][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.212460][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.212588][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.212717][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.212846][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.212989][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.213115][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.213246][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.213375][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.213500][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.213628][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.213756][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.213885][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.214078][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.214204][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.214335][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.214465][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.214590][   T12]  kthread (kernel/kthread.c:436)
[  117.214684][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.214842][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.215024][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.215152][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.215310][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.215437][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.215566][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  117.217842][   T12] ------------[ cut here ]------------
| [  117.217981][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  117.218219][   T12] Modules linked in: sch_netem
| [  117.218622][   T12] Tainted: [W]=WARN
[  117.218714][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.218866][   T12] Workqueue: netns cleanup_net
[  117.219290][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  117.219501][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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 e5 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  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 e5 f0 ff       	call   0xfffffffffff0e574
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   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 e5 f0 ff       	call   0xfffffffffff0e54a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  117.219933][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  117.220140][   T12] RAX: 00000000ffffffa6 RBX: ff11000011b8ae40 RCX: 1ff4000000018ed5
[  117.220322][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011b8aef8
[  117.220504][   T12] RBP: ff11000005839000 R08: 1fe22000023715e0 R09: ff11000001b051d0
[  117.220686][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  117.220876][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  117.221078][   T12] FS:  0000000000000000(0000) GS:ff1100008c343000(0000) knlGS:0000000000000000
[  117.221292][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  117.221445][   T12] CR2: 00007f614d307574 CR3: 0000000015f5d003 CR4: 0000000000771ef0
[  117.221626][   T12] PKRU: 55555554
[  117.221721][   T12] Call Trace:
[  117.221812][   T12]  <TASK>
[  117.221876][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  117.222043][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  117.222195][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  117.222322][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  117.222445][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[  117.222566][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  117.222688][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  117.222815][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  117.222946][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  117.223082][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  117.223208][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[  117.223330][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  117.223455][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  117.223578][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  117.223699][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  117.223823][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  117.223946][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  117.224079][   T12]  process_one_work (kernel/workqueue.c:3314)
[  117.224205][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  117.224328][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  117.224454][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  117.224579][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  117.224699][   T12]  kthread (kernel/kthread.c:436)
[  117.224791][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  117.224942][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  117.225075][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  117.225198][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  117.225350][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  117.225481][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify: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:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init