======================================
| xx__-> [    9.032247][  T175] ------------[ cut here ]------------
| [    9.032468][  T175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/175
| [    9.032754][  T175] Modules linked in:
| [    9.033236][  T175] Tainted: [W]=WARN
[    9.033340][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.033510][  T175] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.033692][  T175] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.034172][  T175] RSP: 0018:ffa00000007f7ab0 EFLAGS: 00010286
[    9.034338][  T175] RAX: 00000000ffffffa6 RBX: ff1100000c5a2200 RCX: 1ff40000000fef1c
[    9.034535][  T175] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5a22bc
[    9.034738][  T175] RBP: ff110000074a4000 R08: 1fe22000018b4459 R09: ff1100000ce18b90
[    9.034934][  T175] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.035137][  T175] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000074a4000
[    9.035336][  T175] FS:  00007fc054d78840(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[    9.035569][  T175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.035741][  T175] CR2: 0000000000479648 CR3: 0000000001ef8001 CR4: 0000000000771ef0
[    9.035940][  T175] PKRU: 55555554
[    9.036039][  T175] Call Trace:
[    9.036144][  T175]  <TASK>
[    9.036213][  T175]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.036350][  T175]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.036532][  T175]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.036634][  T175]  register_netdevice (net/core/dev.c:11488)
[    9.036772][  T175]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.036939][  T175]  register_netdev (net/core/dev.c:11552)
[    9.037077][  T175]  loopback_net_init (drivers/net/loopback.c:218)
[    9.037210][  T175]  ops_init (net/core/net_namespace.c:137)
[    9.037312][  T175]  setup_net (net/core/net_namespace.c:446)
[    9.037411][  T175]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.037543][  T175]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.037677][  T175]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.037813][  T175]  copy_net_ns (net/core/net_namespace.c:579)
[    9.037944][  T175]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.038082][  T175]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.038215][  T175]  ksys_unshare (kernel/fork.c:3243)
[    9.038348][  T175]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.038479][  T175]  ? __ia32_sys_open (fs/open.c:1374)
[    9.038614][  T175]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.038750][  T175]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.038884][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.039014][  T175]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.039203][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.039334][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.039497][  T175] RIP: 0033:0x7fc05503abcb
[    9.039638][  T175] 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
[    9.040179][  T175] RSP: 002b:00007fff534ee558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.040376][  T175] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc05503abcb
[    9.040571][  T175] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.040771][  T175] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.040966][  T175] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff534f0780
[    9.041215][  T175] R13: 0000000000000001 R14: 00007fc054d786f8 R15: 00007fff534f1850
| [    9.072480][  T176] ------------[ cut here ]------------
| [    9.072678][  T176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/176
| [    9.072955][  T176] Modules linked in:
| [    9.073772][  T176] Tainted: [W]=WARN
[    9.073918][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.074141][  T176] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.074357][  T176] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.074867][  T176] RSP: 0018:ffa0000000807030 EFLAGS: 00010286
[    9.075087][  T176] RAX: 00000000ffffffa6 RBX: ff1100000c5a3000 RCX: 1ff4000000100dcc
[    9.075326][  T176] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5a30bc
[    9.075564][  T176] RBP: ff110000074a4000 R08: 1fe22000018b4619 R09: ff1100000ce1d1e8
[    9.075816][  T176] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.076056][  T176] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000074a4ce1
[    9.076308][  T176] FS:  00007fdf091f1840(0000) GS:ff1100007eeac000(0000) knlGS:0000000000000000
[    9.076581][  T176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.076809][  T176] CR2: 00007fdf094c11a0 CR3: 000000000d503005 CR4: 0000000000771ef0
[    9.077050][  T176] PKRU: 55555554
[    9.077207][  T176] Call Trace:
[    9.077352][  T176]  <TASK>
[    9.077465][  T176]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.077645][  T176]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.077797][  T176]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.077975][  T176]  __dev_notify_flags (net/core/dev.c:9787)
[    9.078171][  T176]  ? netif_change_name (net/core/dev.c:1495)
[    9.078346][  T176]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.078523][  T176]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.078708][  T176]  ? 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))
[    9.078888][  T176]  netif_change_flags (net/core/dev.c:9820)
[    9.079126][  T176]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.079312][  T176]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.079490][  T176]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.079708][  T176]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.079885][  T176]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.080061][  T176]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.080250][  T176]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.080428][  T176]  ? __kernel_text_address (kernel/extable.c:79)
[    9.080609][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.080796][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.080972][  T176]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.081162][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.081341][  T176]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.081516][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.081700][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.081877][  T176]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.082060][  T176]  ? __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)
[    9.082290][  T176]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.082468][  T176]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.082646][  T176]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.082835][  T176]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.083015][  T176]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.083208][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.083388][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.083566][  T176]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.083750][  T176]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.083927][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.084119][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.084295][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.084472][  T176]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.084649][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.084838][  T176]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.085015][  T176]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.085204][  T176]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.085382][  T176]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.085561][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.085747][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.085923][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.086114][  T176]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.086295][  T176]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.086474][  T176]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.086655][  T176]  ? 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))
[    9.086839][  T176]  ? 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))
[    9.087019][  T176]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.087212][  T176]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.087388][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.087567][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[    9.087773][  T176]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.087953][  T176]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.088142][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.088320][  T176]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.088498][  T176]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.088685][  T176]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.088865][  T176]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.089045][  T176]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.089265][  T176]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[    9.089444][  T176]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.089623][  T176]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.089809][  T176]  ___sys_sendmsg (net/socket.c:2752)
[    9.089985][  T176]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.090212][  T176]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.090403][  T176]  __sys_sendmsg (net/socket.c:2784)
[    9.090579][  T176]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.090762][  T176]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.090975][  T176]  ? 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)
[    9.091166][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.091344][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.091521][  T176]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.091707][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.091886][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.092105][  T176] RIP: 0033:0x7fdf0942b08e
[    9.092290][  T176] 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
[    9.092806][  T176] RSP: 002b:00007ffe68b0e620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.093046][  T176] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdf0942b08e
[    9.093297][  T176] RDX: 0000000000000000 RSI: 00007ffe68b0e6d0 RDI: 0000000000000005
[    9.093537][  T176] RBP: 00007ffe68b0e630 R08: 0000000000000000 R09: 0000000000000000
[    9.093785][  T176] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90b
[    9.094027][  T176] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe68b0eda0
| [    9.234205][  T180] ------------[ cut here ]------------
| [    9.234414][  T180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/180
| [    9.234693][  T180] Modules linked in:
| [    9.235209][  T180] Tainted: [W]=WARN
[    9.235355][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.235562][  T180] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.235790][  T180] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.236309][  T180] RSP: 0018:ffa0000000847ab0 EFLAGS: 00010286
[    9.236519][  T180] RAX: 00000000ffffffa6 RBX: ff11000005beb1c0 RCX: 1ff4000000108f1c
[    9.236769][  T180] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005beb27c
[    9.237007][  T180] RBP: ff11000005eb9000 R08: 1fe2200000b7d651 R09: ff1100000cf4d210
[    9.237257][  T180] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.237493][  T180] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005eb9000
[    9.237749][  T180] FS:  00007f238bfe2840(0000) GS:ff1100007eeac000(0000) knlGS:0000000000000000
[    9.238029][  T180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.238251][  T180] CR2: 00007f238c1e9430 CR3: 0000000009b03003 CR4: 0000000000771ef0
[    9.238491][  T180] PKRU: 55555554
[    9.238634][  T180] Call Trace:
[    9.238785][  T180]  <TASK>
[    9.238898][  T180]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.239090][  T180]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.239266][  T180]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.239413][  T180]  register_netdevice (net/core/dev.c:11488)
[    9.239591][  T180]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.239805][  T180]  register_netdev (net/core/dev.c:11552)
[    9.239980][  T180]  loopback_net_init (drivers/net/loopback.c:218)
[    9.240171][  T180]  ops_init (net/core/net_namespace.c:137)
[    9.240323][  T180]  setup_net (net/core/net_namespace.c:446)
[    9.240468][  T180]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.240642][  T180]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.240827][  T180]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.241006][  T180]  copy_net_ns (net/core/net_namespace.c:579)
[    9.241200][  T180]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.241379][  T180]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.241558][  T180]  ksys_unshare (kernel/fork.c:3243)
[    9.241747][  T180]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.241925][  T180]  ? __ia32_sys_open (fs/open.c:1374)
[    9.242117][  T180]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.242292][  T180]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.242468][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.242644][  T180]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.242827][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.243007][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.243228][  T180] RIP: 0033:0x7f238c2a4bcb
[    9.243410][  T180] 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
[    9.243918][  T180] RSP: 002b:00007ffc95425cb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.244174][  T180] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f238c2a4bcb
[    9.244411][  T180] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.244648][  T180] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.244895][  T180] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc95427ee0
[    9.245147][  T180] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc95429850
| [    9.269560][  T181] ------------[ cut here ]------------
| [    9.269720][  T181] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/181
| [    9.269945][  T181] Modules linked in:
| [    9.270317][  T181] Tainted: [W]=WARN
[    9.270415][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.270577][  T181] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.270750][  T181] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.271216][  T181] RSP: 0018:ffa0000000857030 EFLAGS: 00010286
[    9.271379][  T181] RAX: 00000000ffffffa6 RBX: ff11000005bea740 RCX: 1ff400000010adcc
[    9.271572][  T181] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005bea7fc
[    9.271769][  T181] RBP: ff11000005eb9000 R08: 1fe2200000b7d501 R09: ff1100000cf4aea8
[    9.271962][  T181] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.272923][  T181] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005eb9ce1
[    9.273125][  T181] FS:  00007f28404c2840(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[    9.273353][  T181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.273516][  T181] CR2: 00007f28407921a0 CR3: 0000000009b03005 CR4: 0000000000771ef0
[    9.273717][  T181] PKRU: 55555554
[    9.273816][  T181] Call Trace:
[    9.273913][  T181]  <TASK>
[    9.273980][  T181]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.274117][  T181]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.274216][  T181]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.274348][  T181]  __dev_notify_flags (net/core/dev.c:9787)
[    9.274479][  T181]  ? netif_change_name (net/core/dev.c:1495)
[    9.274608][  T181]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.274740][  T181]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.274870][  T181]  ? 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))
[    9.275003][  T181]  netif_change_flags (net/core/dev.c:9820)
[    9.275139][  T181]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.275272][  T181]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.275403][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.275564][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.275696][  T181]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.275826][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.275955][  T181]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.276092][  T181]  ? __kernel_text_address (kernel/extable.c:79)
[    9.276224][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.276355][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.276484][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.276616][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.276753][  T181]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.276881][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.277011][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.277147][  T181]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.277277][  T181]  ? __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)
[    9.277408][  T181]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.277537][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.277672][  T181]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.277804][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.277937][  T181]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.278074][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.278204][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.278335][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.278464][  T181]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.278595][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.278729][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.278858][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.278988][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.279123][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.279256][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.279385][  T181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.279516][  T181]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.279646][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.279781][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.279912][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.280040][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.280177][  T181]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.280309][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.280439][  T181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.280573][  T181]  ? 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))
[    9.280706][  T181]  ? 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))
[    9.280838][  T181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.280970][  T181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.281106][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.281236][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[    9.281366][  T181]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.281497][  T181]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.281628][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.281763][  T181]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.281895][  T181]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.282028][  T181]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.282165][  T181]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.282295][  T181]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.282454][  T181]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[    9.282584][  T181]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.282719][  T181]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.282852][  T181]  ___sys_sendmsg (net/socket.c:2752)
[    9.282981][  T181]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.283147][  T181]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.283289][  T181]  __sys_sendmsg (net/socket.c:2784)
[    9.283420][  T181]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.283548][  T181]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.283717][  T181]  ? 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)
[    9.283847][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.283978][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.284112][  T181]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.284243][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.284374][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.284535][  T181] RIP: 0033:0x7f28406fc08e
[    9.284676][  T181] 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
[    9.285147][  T181] RSP: 002b:00007ffe27c43a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.285344][  T181] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f28406fc08e
[    9.285536][  T181] RDX: 0000000000000000 RSI: 00007ffe27c43ad0 RDI: 0000000000000005
[    9.285732][  T181] RBP: 00007ffe27c43a30 R08: 0000000000000000 R09: 0000000000000000
[    9.285926][  T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90b
[    9.286127][  T181] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe27c441a0
| [    9.407172][  T185] ------------[ cut here ]------------
| [    9.407343][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.407572][  T185] Modules linked in:
| [    9.407949][  T185] Tainted: [W]=WARN
[    9.408050][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.408223][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.408396][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.408870][  T185] RSP: 0018:ffa0000000897ab0 EFLAGS: 00010286
[    9.409035][  T185] RAX: 00000000ffffffa6 RBX: ff1100000bc1b700 RCX: 1ff4000000112f1c
[    9.409237][  T185] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc1b7bc
[    9.409429][  T185] RBP: ff11000008501000 R08: 1fe22000017836f9 R09: ff1100000c752ed0
[    9.409622][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.409823][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008501000
[    9.410019][  T185] FS:  00007f80fc4e6840(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[    9.410254][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.410418][  T185] CR2: 00007f80fc85f493 CR3: 000000000c284006 CR4: 0000000000771ef0
[    9.410614][  T185] PKRU: 55555554
[    9.410718][  T185] Call Trace:
[    9.410816][  T185]  <TASK>
[    9.410884][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.411015][  T185]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.411154][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.411254][  T185]  register_netdevice (net/core/dev.c:11488)
[    9.411386][  T185]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.411551][  T185]  register_netdev (net/core/dev.c:11552)
[    9.411687][  T185]  loopback_net_init (drivers/net/loopback.c:218)
[    9.411819][  T185]  ops_init (net/core/net_namespace.c:137)
[    9.411920][  T185]  setup_net (net/core/net_namespace.c:446)
[    9.412020][  T185]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.412207][  T185]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.412339][  T185]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.412472][  T185]  copy_net_ns (net/core/net_namespace.c:579)
[    9.412602][  T185]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.412739][  T185]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.412869][  T185]  ksys_unshare (kernel/fork.c:3243)
[    9.413001][  T185]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.413187][  T185]  ? __ia32_sys_open (fs/open.c:1374)
[    9.413324][  T185]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.413454][  T185]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.413584][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.413720][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.413850][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.413981][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.414195][  T185] RIP: 0033:0x7f80fc7a8bcb
[    9.414385][  T185] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.414850][  T185] RSP: 002b:00007fff5d639298 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.415045][  T185] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f80fc7a8bcb
[    9.415291][  T185] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.415487][  T185] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.415685][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5d63b4c0
[    9.415877][  T185] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5d63b850
| [    9.445283][  T186] ------------[ cut here ]------------
| [    9.445461][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/186
| [    9.445739][  T186] Modules linked in:
| [    9.446890][  T186] Tainted: [W]=WARN
[    9.447141][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.447366][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.447582][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.448108][  T186] RSP: 0018:ffa00000008a7030 EFLAGS: 00010286
[    9.448319][  T186] RAX: 00000000ffffffa6 RBX: ff1100000bc1b540 RCX: 1ff4000000114dcc
[    9.448562][  T186] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc1b5fc
[    9.448808][  T186] RBP: ff11000008501000 R08: 1fe22000017836c1 R09: ff1100000cd5d1e8
[    9.449055][  T186] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.449306][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008501ce1
[    9.449549][  T186] FS:  00007f931bc39840(0000) GS:ff1100007eeac000(0000) knlGS:0000000000000000
[    9.449832][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.450040][  T186] CR2: 000000003e14e988 CR3: 000000000c18e001 CR4: 0000000000771ef0
[    9.450292][  T186] PKRU: 55555554
[    9.450435][  T186] Call Trace:
[    9.450578][  T186]  <TASK>
[    9.450704][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.450886][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.451032][  T186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.451218][  T186]  __dev_notify_flags (net/core/dev.c:9787)
[    9.451396][  T186]  ? netif_change_name (net/core/dev.c:1495)
[    9.451572][  T186]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.451758][  T186]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.451938][  T186]  ? 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))
[    9.452130][  T186]  netif_change_flags (net/core/dev.c:9820)
[    9.452309][  T186]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.452486][  T186]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.452670][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.452881][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.453057][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.453248][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.453424][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.453600][  T186]  ? __kernel_text_address (kernel/extable.c:79)
[    9.453785][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.453966][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.454152][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.454331][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.454509][  T186]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.454694][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.454873][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.455051][  T186]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.455242][  T186]  ? __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)
[    9.455419][  T186]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.455595][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.455783][  T186]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.455969][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.456162][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.456342][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.456516][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.456703][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.456879][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.457054][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.457250][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.457426][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.457604][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.457791][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.457969][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.458158][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.458336][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.458514][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.458703][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.458885][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.459062][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.459255][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.459432][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.459611][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.459802][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.459979][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.460174][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.460354][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.460531][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.460712][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[    9.460892][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.461085][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.461260][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.461441][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.461619][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.461805][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.461983][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.462174][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.462382][  T186]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[    9.462562][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.462761][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.462943][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.463134][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.463345][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.463534][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.463720][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.463898][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.464122][  T186]  ? 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)
[    9.464301][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.464480][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.464657][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.464843][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.465022][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.465246][  T186] RIP: 0033:0x7f931be7308e
[    9.465429][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.465945][  T186] RSP: 002b:00007fffb1eb5c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.466200][  T186] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f931be7308e
[    9.466439][  T186] RDX: 0000000000000000 RSI: 00007fffb1eb5cb0 RDI: 0000000000000005
[    9.466693][  T186] RBP: 00007fffb1eb5c10 R08: 0000000000000000 R09: 0000000000000000
[    9.466933][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90b
[    9.467182][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb1eb6380
| [    9.807465][  T194] ------------[ cut here ]------------
| [    9.807722][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [    9.808063][  T194] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [    9.808966][  T194] Tainted: [W]=WARN
[    9.809248][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.809572][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.809895][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.810546][  T194] RSP: 0018:ffa0000000576e30 EFLAGS: 00010286
[    9.810877][  T194] RAX: 00000000ffffffa6 RBX: ff1100000b02f540 RCX: 1ff40000000aed8c
[    9.811233][  T194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b02f5fc
[    9.811588][  T194] RBP: ff110000050f9000 R08: 1fe2200001605ec1 R09: ff1100000c215210
[    9.811937][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.812303][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d2bc08
[    9.812642][  T194] FS:  00007fcee10bb840(0000) GS:ff1100007eeac000(0000) knlGS:0000000000000000
[    9.813047][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.813401][  T194] CR2: 0000560980069118 CR3: 000000000bd32001 CR4: 0000000000771ef0
[    9.813751][  T194] PKRU: 55555554
[    9.813944][  T194] Call Trace:
[    9.814153][  T194]  <TASK>
[    9.814276][  T194]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.814497][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.814696][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.814850][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.815039][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.815239][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.815426][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.815610][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.815805][  T194]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.815992][  T194]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.816187][  T194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.816373][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.816558][  T194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.816751][  T194]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.816937][  T194] veth_newlink (drivers/net/veth.c:1871) veth
[    9.817138][  T194]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.817354][  T194]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.817541][  T194]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.817732][  T194]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.817933][  T194]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.818130][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.818316][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.818498][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.818694][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.818883][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.819084][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.819268][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.819454][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.819644][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.819846][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.820033][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.820227][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.820412][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.820596][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.820789][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.820980][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.821180][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.821366][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.821551][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.821743][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.821929][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.822130][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.822314][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.822501][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.822694][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.822883][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.823096][  T194]  ? 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))
[    9.823280][  T194]  ? 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))
[    9.823477][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.823672][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.823862][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.824047][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[    9.824245][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.824436][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.824619][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.824811][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.824996][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.825194][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.825379][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.825562][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.825785][  T194]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[    9.825977][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.826175][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.826364][  T194]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.826589][  T194]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.826781][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.826965][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.827166][  T194]  ? 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)
[    9.827355][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.827542][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.827736][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.827920][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.828118][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.828338][  T194] RIP: 0033:0x7fcee12f508e
[    9.828529][  T194] 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
[    9.829088][  T194] RSP: 002b:00007ffd6d2cdbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.829343][  T194] RAX: ffffffffffffffda RBX: 00007ffd6d2ce398 RCX: 00007fcee12f508e
[    9.829595][  T194] RDX: 0000000000000000 RSI: 00007ffd6d2cdca0 RDI: 0000000000000005
[    9.829856][  T194] RBP: 00007ffd6d2cdc00 R08: 0000000000000000 R09: 0000000000000000
[    9.830119][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90c
[    9.830372][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6d2ce360
| [    9.853084][  T194] ------------[ cut here ]------------
| [    9.853238][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/194
| [    9.853473][  T194] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [    9.854002][  T194] Tainted: [W]=WARN
[    9.854112][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.854279][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.854455][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.854930][  T194] RSP: 0018:ffa00000005771b0 EFLAGS: 00010286
[    9.855106][  T194] RAX: 00000000ffffffa6 RBX: ff1100000c64ee40 RCX: 1ff40000000aedfc
[    9.855304][  T194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64eefc
[    9.855503][  T194] RBP: ff11000007bc4000 R08: 1fe22000018c9de1 R09: ff1100000c215210
[    9.855707][  T194] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.855905][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.856109][  T194] FS:  00007fcee10bb840(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[    9.856340][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.856509][  T194] CR2: 00007f20b0e07808 CR3: 000000000bd32003 CR4: 0000000000771ef0
[    9.856714][  T194] PKRU: 55555554
[    9.856813][  T194] Call Trace:
[    9.856913][  T194]  <TASK>
[    9.856982][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.857121][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.857223][  T194]  __dev_notify_flags (net/core/dev.c:9787)
[    9.857358][  T194]  ? netif_change_name (net/core/dev.c:1495)
[    9.857490][  T194]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.857624][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.857763][  T194]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.857898][  T194]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.858032][  T194]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.858170][  T194]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.858305][  T194]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.858442][  T194]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.858580][  T194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.858718][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.858850][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.858983][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.859218][  T194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.859351][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.859488][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.859622][  T194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.859761][  T194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.859893][  T194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.860026][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.860248][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.860405][  T194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.860537][  T194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.860674][  T194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.860808][  T194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.860943][  T194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.861088][  T194]  ? 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))
[    9.861222][  T194]  ? 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))
[    9.861356][  T194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.861490][  T194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.861622][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.861759][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[    9.861894][  T194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.862028][  T194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.862167][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.862300][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.862433][  T194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.862567][  T194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.862705][  T194]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.862837][  T194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.863002][  T194]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[    9.863145][  T194]  ___sys_sendmsg (net/socket.c:2752)
[    9.863279][  T194]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.863414][  T194]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.863582][  T194]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.863720][  T194]  __sys_sendmsg (net/socket.c:2784)
[    9.863852][  T194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.863990][  T194]  ? 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)
[    9.864130][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.864265][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.864397][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.864528][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.864660][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.864828][  T194] RIP: 0033:0x7fcee12f508e
[    9.864969][  T194] 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
[    9.865443][  T194] RSP: 002b:00007ffd6d2cdbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.865643][  T194] RAX: ffffffffffffffda RBX: 00007ffd6d2ce398 RCX: 00007fcee12f508e
[    9.865844][  T194] RDX: 0000000000000000 RSI: 00007ffd6d2cdca0 RDI: 0000000000000005
[    9.866040][  T194] RBP: 00007ffd6d2cdc00 R08: 0000000000000000 R09: 0000000000000000
[    9.866244][  T194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90c
[    9.866442][  T194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6d2ce360
| [    9.897282][  T196] ------------[ cut here ]------------
| [    9.897432][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/196
| [    9.897672][  T196] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [    9.898939][  T196] Tainted: [W]=WARN
[    9.899045][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.899271][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.899447][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.899932][  T196] RSP: 0018:ffa0000000656e30 EFLAGS: 00010286
[    9.900187][  T196] RAX: 00000000ffffffa6 RBX: ff11000005bea900 RCX: 1ff40000000cad8c
[    9.900388][  T196] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005bea9bc
[    9.900590][  T196] RBP: ff110000110b9000 R08: 1fe2200000b7d539 R09: ff1100000cd8d210
[    9.900800][  T196] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.901000][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000011062e08
[    9.901260][  T196] FS:  00007f701c754840(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[    9.901495][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.901669][  T196] CR2: 000000000042ebe0 CR3: 000000000cc0f005 CR4: 0000000000771ef0
[    9.901873][  T196] PKRU: 55555554
[    9.901974][  T196] Call Trace:
[    9.902118][  T196]  <TASK>
[    9.902189][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.902325][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.902428][  T196]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.902595][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[    9.902739][  T196]  ? netif_change_name (net/core/dev.c:1495)
[    9.902872][  T196]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.903005][  T196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.903146][  T196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.903281][  T196]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.903419][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.903555][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.903699][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.903833][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.903967][  T196]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.904109][  T196] veth_newlink (drivers/net/veth.c:1871) veth
[    9.904246][  T196]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    9.904414][  T196]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.904549][  T196]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.904691][  T196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.904842][  T196]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.904977][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.905118][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.905252][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.905388][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.905523][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.905666][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.905803][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.905938][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.906084][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.906224][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.906361][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.906494][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.906630][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.906769][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.906904][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.907043][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.907182][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.907318][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.907453][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.907588][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.907730][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.907869][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.908004][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.908146][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.908283][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.908417][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.908556][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.908696][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.908836][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.908974][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.909115][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.909249][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[    9.909386][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.909523][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.909658][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.909798][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.909936][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.910078][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.910213][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.910348][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.910517][  T196]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[    9.910656][  T196]  ___sys_sendmsg (net/socket.c:2752)
[    9.910794][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.910934][  T196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.911112][  T196]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.911250][  T196]  __sys_sendmsg (net/socket.c:2784)
[    9.911384][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.911523][  T196]  ? 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)
[    9.911659][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.911800][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.911936][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.912075][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.912212][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.912381][  T196] RIP: 0033:0x7f701c98e08e
[    9.912523][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.913011][  T196] RSP: 002b:00007ffd2cf8bb00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.913218][  T196] RAX: ffffffffffffffda RBX: 00007ffd2cf8c2a8 RCX: 00007f701c98e08e
[    9.913419][  T196] RDX: 0000000000000000 RSI: 00007ffd2cf8bbb0 RDI: 0000000000000005
[    9.913621][  T196] RBP: 00007ffd2cf8bb10 R08: 0000000000000000 R09: 0000000000000000
[    9.913830][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90c
[    9.914033][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2cf8c270
| [    9.928190][  T196] ------------[ cut here ]------------
| [    9.928342][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/196
| [    9.928573][  T196] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [    9.929048][  T196] Tainted: [W]=WARN
[    9.929154][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.929321][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.929495][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.929978][  T196] RSP: 0018:ffa00000006571b0 EFLAGS: 00010286
[    9.930150][  T196] RAX: 00000000ffffffa6 RBX: ff110000095d2040 RCX: 1ff40000000cadfc
[    9.930349][  T196] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d20fc
[    9.930546][  T196] RBP: ff110000110b4000 R08: 1fe22000012ba421 R09: ff1100000cd8d210
[    9.930747][  T196] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.930946][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.931147][  T196] FS:  00007f701c754840(0000) GS:ff1100007ee2c000(0000) knlGS:0000000000000000
[    9.931379][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.931546][  T196] CR2: 00005648046a1b98 CR3: 000000000cc0f001 CR4: 0000000000771ef0
[    9.931751][  T196] PKRU: 55555554
[    9.931851][  T196] Call Trace:
[    9.931950][  T196]  <TASK>
[    9.932018][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.932160][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.932263][  T196]  __dev_notify_flags (net/core/dev.c:9787)
[    9.932397][  T196]  ? netif_change_name (net/core/dev.c:1495)
[    9.932532][  T196]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.932670][  T196]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.932807][  T196]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.932942][  T196]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.933083][  T196]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.933217][  T196]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.933350][  T196]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.933488][  T196]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.933627][  T196]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.933767][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.933900][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.934035][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.934229][  T196]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.934376][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.934513][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.934647][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.934821][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.934959][  T196]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.935097][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.935230][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.935365][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.935497][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.935632][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.935771][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.935905][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.936043][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.936177][  T196]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.936312][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.936446][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.936579][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.936715][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[    9.936848][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.936982][  T196]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.937118][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.937251][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.937385][  T196]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.937519][  T196]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.937653][  T196]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.937791][  T196]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.937955][  T196]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[    9.938098][  T196]  ___sys_sendmsg (net/socket.c:2752)
[    9.938231][  T196]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.938368][  T196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.938538][  T196]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[    9.938676][  T196]  __sys_sendmsg (net/socket.c:2784)
[    9.938810][  T196]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.938948][  T196]  ? 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)
[    9.939087][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.939220][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.939352][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.939483][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.939616][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.939786][  T196] RIP: 0033:0x7f701c98e08e
[    9.939924][  T196] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.940403][  T196] RSP: 002b:00007ffd2cf8bb00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.940603][  T196] RAX: ffffffffffffffda RBX: 00007ffd2cf8c2a8 RCX: 00007f701c98e08e
[    9.940805][  T196] RDX: 0000000000000000 RSI: 00007ffd2cf8bbb0 RDI: 0000000000000005
[    9.941004][  T196] RBP: 00007ffd2cf8bb10 R08: 0000000000000000 R09: 0000000000000000
[    9.941208][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90c
[    9.941404][  T196] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2cf8c270
| [    9.976542][  T197] ------------[ cut here ]------------
| [    9.976695][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/197
| [    9.976924][  T197] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [    9.977437][  T197] Tainted: [W]=WARN
[    9.977534][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.977699][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.977869][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.978341][  T197] RSP: 0018:ffa0000000637030 EFLAGS: 00010286
[    9.978508][  T197] RAX: 00000000ffffffa6 RBX: ff110000095d2ac0 RCX: 1ff40000000c6dcc
[    9.978706][  T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d2b7c
[    9.978900][  T197] RBP: ff11000007bc4000 R08: 1fe22000012ba571 R09: ff1100000d59aea8
[    9.979097][  T197] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.979289][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007bc4ce1
[    9.979486][  T197] FS:  00007fee519f2840(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[    9.979720][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.979882][  T197] CR2: 00007fee51cc21a0 CR3: 000000000b2eb001 CR4: 0000000000771ef0
[    9.980083][  T197] PKRU: 55555554
[    9.980180][  T197] Call Trace:
[    9.980277][  T197]  <TASK>
[    9.980344][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.980478][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.980578][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.980713][  T197]  __dev_notify_flags (net/core/dev.c:9787)
[    9.980844][  T197]  ? netif_change_name (net/core/dev.c:1495)
[    9.980974][  T197]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.981611][  T197]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    9.981747][  T197]  ? 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))
[    9.981883][  T197]  netif_change_flags (net/core/dev.c:9820)
[    9.982013][  T197]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.982199][  T197]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.982330][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.982490][  T197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.982620][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.982754][  T197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.982885][  T197]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.983016][  T197]  ? __kernel_text_address (kernel/extable.c:79)
[    9.983200][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.983386][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.983515][  T197]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.983644][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.983778][  T197]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.983907][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.984036][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.984221][  T197]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.984351][  T197]  ? __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)
[    9.984479][  T197]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.984607][  T197]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.984740][  T197]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.984871][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.985005][  T197]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.985191][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.985319][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.985449][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.985577][  T197]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.985708][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.985839][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.985968][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.986152][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.986282][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.986412][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.986539][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.986672][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.986802][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.986930][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.987061][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.987244][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.987374][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.987501][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.987631][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.987770][  T197]  ? 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))
[    9.987899][  T197]  ? 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))
[    9.988031][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.988218][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.988347][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.988476][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[    9.988605][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.988740][  T197]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.988869][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.988999][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.989185][  T197]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.989316][  T197]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.989444][  T197]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.989572][  T197]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.989736][  T197]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[    9.989865][  T197]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.989994][  T197]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.990181][  T197]  ___sys_sendmsg (net/socket.c:2752)
[    9.990310][  T197]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.990472][  T197]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.990614][  T197]  __sys_sendmsg (net/socket.c:2784)
[    9.990749][  T197]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.990885][  T197]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.991049][  T197]  ? 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)
[    9.991234][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.991366][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.991495][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.991623][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.991757][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.991916][  T197] RIP: 0033:0x7fee51c2c08e
[    9.992051][  T197] 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
[    9.992567][  T197] RSP: 002b:00007fffaafb7890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.992766][  T197] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fee51c2c08e
[    9.992958][  T197] RDX: 0000000000000000 RSI: 00007fffaafb7940 RDI: 0000000000000005
[    9.993208][  T197] RBP: 00007fffaafb78a0 R08: 0000000000000000 R09: 0000000000000000
[    9.993399][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90c
[    9.993590][  T197] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffaafb8010
| [   10.024870][  T198] ------------[ cut here ]------------
| [   10.025047][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/198
| [   10.025332][  T198] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   10.025892][  T198] Tainted: [W]=WARN
[   10.026037][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.026924][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.027151][  T198] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.027670][  T198] RSP: 0018:ffa0000000637030 EFLAGS: 00010286
[   10.027887][  T198] RAX: 00000000ffffffa6 RBX: ff110000095d3700 RCX: 1ff40000000c6dcc
[   10.028139][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d37bc
[   10.028378][  T198] RBP: ff110000110b4000 R08: 1fe22000012ba6f9 R09: ff1100000d598b68
[   10.028618][  T198] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.028865][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000110b4ce1
[   10.029118][  T198] FS:  00007fe7efdd4840(0000) GS:ff1100007eeac000(0000) knlGS:0000000000000000
[   10.029391][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.029603][  T198] CR2: 000000000176b988 CR3: 000000000bd32003 CR4: 0000000000771ef0
[   10.029851][  T198] PKRU: 55555554
[   10.029993][  T198] Call Trace:
[   10.030148][  T198]  <TASK>
[   10.030261][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.030439][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.030584][  T198]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.030769][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[   10.030948][  T198]  ? netif_change_name (net/core/dev.c:1495)
[   10.031135][  T198]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.031313][  T198]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.031488][  T198]  ? 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))
[   10.031675][  T198]  netif_change_flags (net/core/dev.c:9820)
[   10.031862][  T198]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.032044][  T198]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.032234][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.032443][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.032618][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.032802][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.032976][  T198]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.033168][  T198]  ? __kernel_text_address (kernel/extable.c:79)
[   10.033345][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.033522][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.033704][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.033882][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.034057][  T198]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.034243][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.034420][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.034598][  T198]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.034780][  T198]  ? __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)
[   10.034955][  T198]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.035144][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.035322][  T198]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.035501][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.035691][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.035870][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.036048][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.036239][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.036413][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.036588][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.036776][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.036951][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.037139][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.037317][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.037493][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.037677][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.037855][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.038030][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.038215][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.038392][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.038565][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.038754][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.038933][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.039120][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.039301][  T198]  ? 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))
[   10.039478][  T198]  ? 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))
[   10.039658][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.039842][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.040020][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.040209][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[   10.040385][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.040563][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.040748][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.040925][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.041113][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.041292][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.041471][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.041645][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.041858][  T198]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   10.042036][  T198]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.042223][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.042401][  T198]  ___sys_sendmsg (net/socket.c:2752)
[   10.042577][  T198]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.042797][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.042984][  T198]  __sys_sendmsg (net/socket.c:2784)
[   10.043199][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.043375][  T198]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.043585][  T198]  ? 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)
[   10.043769][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.043946][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.044137][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.044314][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.044490][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.044705][  T198] RIP: 0033:0x7fe7f000e08e
[   10.044887][  T198] 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
[   10.045404][  T198] RSP: 002b:00007ffe3dc01f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.045645][  T198] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe7f000e08e
[   10.045893][  T198] RDX: 0000000000000000 RSI: 00007ffe3dc01fd0 RDI: 0000000000000005
[   10.046143][  T198] RBP: 00007ffe3dc01f30 R08: 0000000000000000 R09: 0000000000000000
[   10.046383][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90c
[   10.046620][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3dc026a0
| [   10.240093][  T204] ------------[ cut here ]------------
| [   10.240256][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [   10.240482][  T204] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   10.240957][  T204] Tainted: [W]=WARN
[   10.241058][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.241229][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.241398][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.241870][  T204] RSP: 0018:ffa00000005b7030 EFLAGS: 00010286
[   10.242035][  T204] RAX: 00000000ffffffa6 RBX: ff1100000b186c80 RCX: 1ff40000000b6dcc
[   10.242234][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b186d3c
[   10.242427][  T204] RBP: ff110000050f9000 R08: 1fe2200001630da9 R09: ff1100000c7caea8
[   10.242620][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.242817][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050f9ce1
[   10.243011][  T204] FS:  00007f4a7da4e840(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[   10.243242][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.243405][  T204] CR2: 000000003e391988 CR3: 000000000bccd003 CR4: 0000000000771ef0
[   10.243599][  T204] PKRU: 55555554
[   10.243700][  T204] Call Trace:
[   10.243796][  T204]  <TASK>
[   10.243865][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.243997][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.244154][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.244285][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[   10.244417][  T204]  ? netif_change_name (net/core/dev.c:1495)
[   10.244546][  T204]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.244681][  T204]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.244811][  T204]  ? 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))
[   10.244943][  T204]  netif_change_flags (net/core/dev.c:9820)
[   10.245128][  T204]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.245260][  T204]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.245390][  T204]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.245550][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.245683][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.245814][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.245942][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.246133][  T204]  ? __kernel_text_address (kernel/extable.c:79)
[   10.246269][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.246400][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.246529][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.246658][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.246792][  T204]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.246920][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.247049][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.247184][  T204]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.247313][  T204]  ? __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)
[   10.247442][  T204]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.247569][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.247703][  T204]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.247835][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.247967][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.248102][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.248229][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.248357][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.248485][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.248613][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.248750][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.248878][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.249007][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.249159][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.249296][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.249425][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.249555][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.249687][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.249816][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.249946][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.250078][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.250208][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.250337][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.250466][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.250598][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.250733][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.250865][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.250995][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.251130][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.251259][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[   10.251388][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.251518][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.251646][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.251780][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.251908][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.252038][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.252175][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.252303][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.252462][  T204]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   10.252590][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.252725][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.252856][  T204]  ___sys_sendmsg (net/socket.c:2752)
[   10.252984][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.253148][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.253290][  T204]  __sys_sendmsg (net/socket.c:2784)
[   10.253418][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.253547][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.253715][  T204]  ? 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)
[   10.253845][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.253974][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.254109][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.254238][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.254367][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.254526][  T204] RIP: 0033:0x7f4a7dc8808e
[   10.254665][  T204] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.255131][  T204] RSP: 002b:00007fff9e464870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.255325][  T204] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4a7dc8808e
[   10.255516][  T204] RDX: 0000000000000000 RSI: 00007fff9e464920 RDI: 0000000000000005
[   10.255714][  T204] RBP: 00007fff9e464880 R08: 0000000000000000 R09: 0000000000000000
[   10.255904][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90c
[   10.256102][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9e464ff0
| [   10.258310][   T36] ------------[ cut here ]------------
| [   10.258511][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   10.258796][   T36] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   10.259517][   T36] Tainted: [W]=WARN
[   10.259699][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.259894][   T36] Workqueue: events_unbound linkwatch_event
[   10.260154][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.260367][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.260842][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   10.261038][   T36] RAX: 00000000ffffffa6 RBX: ff1100000b187700 RCX: 1ff4000000051f02
[   10.261273][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b1877bc
[   10.261495][   T36] RBP: ff11000007bc4000 R08: 1fe2200001630ef9 R09: ff11000001d55238
[   10.261731][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.261954][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.262194][   T36] FS:  0000000000000000(0000) GS:ff1100007eeac000(0000) knlGS:0000000000000000
[   10.262452][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.262648][   T36] CR2: 00007faed6c05000 CR3: 0000000039539001 CR4: 0000000000771ef0
[   10.262883][   T36] PKRU: 55555554
[   10.263021][   T36] Call Trace:
[   10.263168][   T36]  <TASK>
[   10.263277][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.263448][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.263616][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.263765][   T36]  netif_state_change (net/core/dev.c:1605)
[   10.263934][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.264144][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.264311][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.264479][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.264650][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.264826][   T36]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.264993][   T36]  process_one_work (kernel/workqueue.c:3314)
[   10.265180][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.265345][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.265516][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.265693][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.265860][   T36]  kthread (kernel/kthread.c:436)
[   10.265999][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.266205][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.266372][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.266540][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.266748][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.266917][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.267098][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.304326][  T205] ------------[ cut here ]------------
| [   10.304489][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/205
| [   10.304719][  T205] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   10.305189][  T205] Tainted: [W]=WARN
[   10.305288][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.305451][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.305620][  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 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.306092][  T205] RSP: 0018:ffa00000005b7030 EFLAGS: 00010286
[   10.306257][  T205] RAX: 00000000ffffffa6 RBX: ff1100000cd48580 RCX: 1ff40000000b6dcc
[   10.306450][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd4863c
[   10.306643][  T205] RBP: ff110000110b9000 R08: 1fe22000019a90c9 R09: ff1100000c7cd1e8
[   10.306839][  T205] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   10.307033][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000110b9ce1
[   10.307232][  T205] FS:  00007fb2b8035840(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[   10.307459][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.307622][  T205] CR2: 000000002ef42988 CR3: 000000000bccd005 CR4: 0000000000771ef0
[   10.307819][  T205] PKRU: 55555554
[   10.307916][  T205] Call Trace:
[   10.308013][  T205]  <TASK>
[   10.308084][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.308217][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.308315][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.308444][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[   10.308574][  T205]  ? netif_change_name (net/core/dev.c:1495)
[   10.308707][  T205]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.308839][  T205]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.308970][  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))
[   10.309194][  T205]  netif_change_flags (net/core/dev.c:9820)
[   10.309325][  T205]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.309455][  T205]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.309586][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.309752][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.309883][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.310012][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.310209][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.310339][  T205]  ? __kernel_text_address (kernel/extable.c:79)
[   10.310469][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.310600][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.310738][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.310868][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.310997][  T205]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.311181][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.311310][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.311438][  T205]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.311568][  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)
[   10.311701][  T205]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.311833][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.311964][  T205]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.312182][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.312315][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.312446][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.312574][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.312710][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.312839][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.312968][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.313157][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.313285][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.313414][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.313544][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.313678][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.313809][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.313938][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.314073][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.314203][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.314333][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.314461][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.314592][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.314727][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.314857][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.314990][  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))
[   10.315126][  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))
[   10.315258][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.315390][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.315521][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.315651][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[   10.315786][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.315918][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.316048][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.316182][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.316312][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.316443][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.316573][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.316706][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.316867][  T205]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   10.317000][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.317135][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.317267][  T205]  ___sys_sendmsg (net/socket.c:2752)
[   10.317395][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.317556][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.317704][  T205]  __sys_sendmsg (net/socket.c:2784)
[   10.317833][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.317962][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.318132][  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)
[   10.318263][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.318395][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.318527][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.318656][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.318807][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.318966][  T205] RIP: 0033:0x7fb2b826f08e
[   10.319109][  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
[   10.319570][  T205] RSP: 002b:00007ffd81966410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.319770][  T205] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb2b826f08e
[   10.319964][  T205] RDX: 0000000000000000 RSI: 00007ffd819664c0 RDI: 0000000000000005
[   10.320161][  T205] RBP: 00007ffd81966420 R08: 0000000000000000 R09: 0000000000000000
[   10.320354][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90c
[   10.320548][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd81966b90
| [   10.322539][   T36] ------------[ cut here ]------------
| [   10.322675][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   10.322919][   T36] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   10.323381][   T36] Tainted: [W]=WARN
[   10.323471][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.323622][   T36] Workqueue: events_unbound linkwatch_event
[   10.323784][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.323940][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.324369][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   10.324520][   T36] RAX: 00000000ffffffa6 RBX: ff1100000bc1a580 RCX: 1ff4000000051f02
[   10.324708][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc1a63c
[   10.324886][   T36] RBP: ff110000110b9000 R08: 1fe22000017834c9 R09: ff11000001d55238
[   10.325062][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.325244][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.325424][   T36] FS:  0000000000000000(0000) GS:ff1100007ef2c000(0000) knlGS:0000000000000000
[   10.325632][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.325784][   T36] CR2: 00005647e7781d5c CR3: 000000000c24b004 CR4: 0000000000771ef0
[   10.325962][   T36] PKRU: 55555554
[   10.326050][   T36] Call Trace:
[   10.326143][   T36]  <TASK>
[   10.326205][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.326325][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.326446][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.326539][   T36]  netif_state_change (net/core/dev.c:1605)
[   10.326659][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.326814][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.326932][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.327063][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.327191][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.327313][   T36]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.327432][   T36]  process_one_work (kernel/workqueue.c:3314)
[   10.327556][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.327676][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.327800][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.327925][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.328043][   T36]  kthread (kernel/kthread.c:436)
[   10.328138][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.328286][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.328406][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.328527][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.328679][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.328800][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.328919][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.330583][   T36] ------------[ cut here ]------------
| [   10.330711][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   10.330946][   T36] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   10.331409][   T36] Tainted: [W]=WARN
[   10.331499][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.331649][   T36] Workqueue: events_unbound linkwatch_event
[   10.331806][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.331959][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.332402][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   10.332552][   T36] RAX: 00000000ffffffa6 RBX: ff1100000b35e040 RCX: 1ff4000000051f02
[   10.332739][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b35e0fc
[   10.332915][   T36] RBP: ff110000110b4000 R08: 1fe220000166bc21 R09: ff11000001d55238
[   10.333097][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.333276][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.333464][   T36] FS:  0000000000000000(0000) GS:ff1100007ef2c000(0000) knlGS:0000000000000000
[   10.333676][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.333825][   T36] CR2: 00005647e7781d5c CR3: 000000000c24b004 CR4: 0000000000771ef0
[   10.334009][   T36] PKRU: 55555554
[   10.334103][   T36] Call Trace:
[   10.334192][   T36]  <TASK>
[   10.334254][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.334375][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.334506][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.334605][   T36]  netif_state_change (net/core/dev.c:1605)
[   10.334730][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.334881][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.334999][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.335125][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.335249][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.335368][   T36]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.335490][   T36]  process_one_work (kernel/workqueue.c:3314)
[   10.335613][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.335737][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.335861][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.335984][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.336107][   T36]  kthread (kernel/kthread.c:436)
[   10.336198][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.336345][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.336464][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.336584][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.336737][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.336856][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.336984][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.363027][  T206] ------------[ cut here ]------------
| [   10.363463][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/206
| [   10.363735][  T206] Modules linked in: veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   10.364294][  T206] Tainted: [W]=WARN
[   10.364439][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.364643][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.364866][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.365374][  T206] RSP: 0018:ffa00000007a7150 EFLAGS: 00010286
[   10.365582][  T206] RAX: 00000000ffffffa6 RBX: ff1100000b35f000 RCX: 1ff40000000f4df0
[   10.365832][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b35f0bc
[   10.366128][  T206] RBP: ff110000050f9000 R08: 1fe220000166be19 R09: ff1100000d59d1e8
[   10.366366][  T206] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.366604][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000564bbc0
[   10.366850][  T206] FS:  00007f479bf81840(0000) GS:ff1100007eeac000(0000) knlGS:0000000000000000
[   10.367133][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.367339][  T206] CR2: 00000000004eba70 CR3: 000000000d7fc003 CR4: 0000000000771ef0
[   10.367581][  T206] PKRU: 55555554
[   10.367729][  T206] Call Trace:
[   10.367872][  T206]  <TASK>
[   10.367984][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.368173][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.368349][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.368494][  T206]  netif_state_change (net/core/dev.c:1605)
[   10.368677][  T206]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.368883][  T206]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[   10.369105][  T206]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   10.369282][  T206]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   10.369457][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.369630][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.369815][  T206]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   10.369990][  T206]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.370178][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.370356][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.370548][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.370731][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.370906][  T206]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.371092][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.371267][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.371445][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.371623][  T206]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   10.371811][  T206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.371985][  T206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.372171][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.372345][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.372521][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.372701][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.372878][  T206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.373054][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.373241][  T206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.373419][  T206]  ? 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))
[   10.373591][  T206]  ? 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))
[   10.373779][  T206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.373955][  T206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.374141][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.374319][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:453 kernel/locking/lockdep.c:5225)
[   10.374494][  T206]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.374676][  T206]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.374852][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.375029][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.375214][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.375390][  T206]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.375564][  T206]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.375753][  T206]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.375957][  T206]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   10.376144][  T206]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.376319][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.376523][  T206]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.376705][  T206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.376884][  T206]  ___sys_sendmsg (net/socket.c:2752)
[   10.377059][  T206]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.377251][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.377430][  T206]  ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18)
[   10.377607][  T206]  ? do_getsockname (net/socket.c:2192)
[   10.377791][  T206]  __sys_sendmsg (net/socket.c:2784)
[   10.377967][  T206]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.378155][  T206]  ? __sys_getsockname (net/socket.c:2210)
[   10.378333][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.378509][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.378690][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.378866][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.379042][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.379261][  T206] RIP: 0033:0x7f479c1bb08e
[   10.379442][  T206] 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
[   10.379960][  T206] RSP: 002b:00007ffd145be890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.380211][  T206] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f479c1bb08e
[   10.380447][  T206] RDX: 0000000000000000 RSI: 00007ffd145be940 RDI: 0000000000000006
[   10.380694][  T206] RBP: 00007ffd145be8a0 R08: 0000000000000000 R09: 0000000000000000
[   10.380931][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e90c
[   10.381180][  T206] R13: 00007ffd145be9f0 R14: 0000000000000000 R15: 00007ffd145bf560
| [   11.928019][   T72] ------------[ cut here ]------------
| [   11.928236][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/72
| [   11.928498][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   11.929139][   T72] Tainted: [W]=WARN
[   11.929235][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.929425][   T72] Workqueue: netns cleanup_net
[   11.929559][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.929738][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.930199][   T72] RSP: 0018:ffa00000004d7748 EFLAGS: 00010286
[   11.930360][   T72] RAX: 00000000ffffffa6 RBX: ff1100000b02e040 RCX: 1ff400000009aeaf
[   11.930549][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b02e0fc
[   11.930743][   T72] RBP: ff110000110b4000 R08: 1fe2200001605c21 R09: ff11000008cb5260
[   11.930930][   T72] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   11.931126][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000110b9000
[   11.931319][   T72] FS:  0000000000000000(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[   11.931546][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.931714][   T72] CR2: 00005647e7781d5c CR3: 000000000c24b002 CR4: 0000000000771ef0
[   11.931909][   T72] PKRU: 55555554
[   11.932004][   T72] Call Trace:
[   11.932105][   T72]  <TASK>
[   11.932172][   T72]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.932303][   T72]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.932400][   T72]  netif_close_many (net/core/dev.c:1804)
[   11.932533][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.932661][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.932794][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.932919][   T72]  ? __dev_close_many (net/core/dev.c:1781)
[   11.933045][   T72]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.933260][   T72]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   11.933389][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.933546][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.933680][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.933838][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.933963][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.934138][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.934294][   T72]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.934422][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.934549][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.934681][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.934808][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.934932][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.935059][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.935237][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.935363][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.935488][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.935615][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   11.935743][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.935868][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.935998][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.936127][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.936255][   T72]  process_one_work (kernel/workqueue.c:3314)
[   11.936384][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.936509][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.936640][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.936773][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.936900][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.937028][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.937161][   T72]  kthread (kernel/kthread.c:436)
[   11.937257][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.937413][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.937538][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.937666][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.937828][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.937955][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.938087][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.940614][   T72] ------------[ cut here ]------------
| [   11.940750][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/72
| [   11.940996][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   11.941573][   T72] Tainted: [W]=WARN
[   11.941672][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.941830][   T72] Workqueue: netns cleanup_net
[   11.941959][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.942130][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.942573][   T72] RSP: 0018:ffa00000004d7748 EFLAGS: 00010286
[   11.942736][   T72] RAX: 00000000ffffffa6 RBX: ff110000095d31c0 RCX: 1ff400000009aeaf
[   11.942923][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d327c
[   11.943113][   T72] RBP: ff110000110b9000 R08: 1fe22000012ba651 R09: ff11000008cb5260
[   11.943301][   T72] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   11.943487][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007bc4000
[   11.943678][   T72] FS:  0000000000000000(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[   11.943906][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.944061][   T72] CR2: 00005647e7781d5c CR3: 0000000039539004 CR4: 0000000000771ef0
[   11.944253][   T72] PKRU: 55555554
[   11.944345][   T72] Call Trace:
[   11.944438][   T72]  <TASK>
[   11.944502][   T72]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.944629][   T72]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.944759][   T72]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.944856][   T72]  netif_close_many (net/core/dev.c:1804)
[   11.944981][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.945116][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.945241][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.945365][   T72]  ? __dev_close_many (net/core/dev.c:1781)
[   11.945489][   T72]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.945658][   T72]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   11.945791][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.945948][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.946079][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.946234][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.946362][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.946487][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.946643][   T72]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.946772][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.946896][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.947022][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.947151][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.947275][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.947401][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.947528][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.947654][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.947782][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.947909][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   11.948033][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.948162][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.948289][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.948414][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.948539][   T72]  process_one_work (kernel/workqueue.c:3314)
[   11.948671][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.948794][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.948921][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.949047][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.949174][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.949299][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.949428][   T72]  kthread (kernel/kthread.c:436)
[   11.949521][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.949679][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.949804][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.949929][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.950093][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.950218][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.950343][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.952506][   T72] ------------[ cut here ]------------
| [   11.952635][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/72
| [   11.952884][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   11.953885][   T72] Tainted: [W]=WARN
[   11.953980][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.954185][   T72] Workqueue: netns cleanup_net
[   11.954315][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.954477][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.954923][   T72] RSP: 0018:ffa00000004d7748 EFLAGS: 00010286
[   11.955129][   T72] RAX: 00000000ffffffa6 RBX: ff1100000bc1be00 RCX: 1ff400000009aeaf
[   11.955314][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc1bebc
[   11.955496][   T72] RBP: ff11000007bc4000 R08: 1fe22000017837d9 R09: ff11000008cb5260
[   11.955686][   T72] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   11.955872][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050f9000
[   11.956058][   T72] FS:  0000000000000000(0000) GS:ff1100007edac000(0000) knlGS:0000000000000000
[   11.956325][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.956479][   T72] CR2: 00005647e7781d5c CR3: 0000000039539004 CR4: 0000000000771ef0
[   11.956665][   T72] PKRU: 55555554
[   11.956762][   T72] Call Trace:
[   11.956855][   T72]  <TASK>
[   11.956919][   T72]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.957043][   T72]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.957216][   T72]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.957311][   T72]  netif_close_many (net/core/dev.c:1804)
[   11.957436][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.957560][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.957694][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.957819][   T72]  ? __dev_close_many (net/core/dev.c:1781)
[   11.957943][   T72]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.958148][   T72]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   11.958273][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.958428][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.958552][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.958709][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.958833][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.958958][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.959162][   T72]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.959288][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.959412][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.959535][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.959659][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.959787][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.959911][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.960037][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.960213][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.960337][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.960463][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   11.960588][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.960715][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.960843][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.960966][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.961143][   T72]  process_one_work (kernel/workqueue.c:3314)
[   11.961270][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.961393][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.961520][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.961646][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.961776][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.961904][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.962031][   T72]  kthread (kernel/kthread.c:436)
[   11.962176][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.962330][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.962454][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.962580][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.962742][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.962867][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.962993][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.965301][   T72] ------------[ cut here ]------------
| [   11.965438][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/72
| [   11.965693][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   11.966218][   T72] Tainted: [W]=WARN
[   11.966312][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.966468][   T72] Workqueue: netns cleanup_net
[   11.966596][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.966764][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.967205][   T72] RSP: 0018:ffa00000004d7748 EFLAGS: 00010286
[   11.967360][   T72] RAX: 00000000ffffffa6 RBX: ff1100000b186ac0 RCX: 1ff400000009aeaf
[   11.967546][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b186b7c
[   11.967734][   T72] RBP: ff110000050f9000 R08: 1fe2200001630d71 R09: ff11000008cb5260
[   11.967918][   T72] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   11.968112][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000074a4000
[   11.968301][   T72] FS:  0000000000000000(0000) GS:ff1100007ee2c000(0000) knlGS:0000000000000000
[   11.968518][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.968677][   T72] CR2: 00007f7db3d94000 CR3: 0000000039539001 CR4: 0000000000771ef0
[   11.968863][   T72] PKRU: 55555554
[   11.968955][   T72] Call Trace:
[   11.969048][   T72]  <TASK>
[   11.969123][   T72]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.969249][   T72]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.969378][   T72]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.969473][   T72]  netif_close_many (net/core/dev.c:1804)
[   11.969597][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.969725][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.969847][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.969971][   T72]  ? __dev_close_many (net/core/dev.c:1781)
[   11.970102][   T72]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.970254][   T72]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   11.970379][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.970535][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.970660][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.970819][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.970943][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.971072][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.971229][   T72]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.971357][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.971483][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.971606][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.971735][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.971861][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.971984][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.972114][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.972241][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.972365][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.972492][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   11.972616][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.972742][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.972868][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.972994][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.973126][   T72]  process_one_work (kernel/workqueue.c:3314)
[   11.973252][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.973375][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.973503][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.973629][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.973757][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.973886][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.974010][   T72]  kthread (kernel/kthread.c:436)
[   11.974115][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.974269][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.974395][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.974520][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.974678][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.974804][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.974929][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.976882][   T72] ------------[ cut here ]------------
| [   11.977006][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/72
| [   11.977257][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   11.977759][   T72] Tainted: [W]=WARN
[   11.977852][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.978007][   T72] Workqueue: netns cleanup_net
[   11.978143][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.978305][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.978747][   T72] RSP: 0018:ffa00000004d7748 EFLAGS: 00010286
[   11.978905][   T72] RAX: 00000000ffffffa6 RBX: ff110000095d2e40 RCX: 1ff400000009aeaf
[   11.979094][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095d2efc
[   11.979278][   T72] RBP: ff110000074a4000 R08: 1fe22000012ba5e1 R09: ff11000008cb5260
[   11.979461][   T72] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   11.979646][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004d77e0
[   11.979836][   T72] FS:  0000000000000000(0000) GS:ff1100007ee2c000(0000) knlGS:0000000000000000
[   11.980053][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.980214][   T72] CR2: 00007f7db3d94000 CR3: 0000000039539001 CR4: 0000000000771ef0
[   11.980399][   T72] PKRU: 55555554
[   11.980494][   T72] Call Trace:
[   11.980587][   T72]  <TASK>
[   11.980651][   T72]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.980781][   T72]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.980906][   T72]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.981002][   T72]  netif_close_many (net/core/dev.c:1804)
[   11.981137][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.981260][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.981385][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.981508][   T72]  ? __dev_close_many (net/core/dev.c:1781)
[   11.981632][   T72]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.981791][   T72]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   11.981916][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.982076][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.982201][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.982354][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.982479][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.982602][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.982760][   T72]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.982892][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.983017][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.983144][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.983268][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.983394][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.983518][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.983644][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.983774][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.983896][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.984023][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   11.984155][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.984281][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.984406][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.984530][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.984655][   T72]  process_one_work (kernel/workqueue.c:3314)
[   11.984787][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.984910][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.985038][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.985176][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.985301][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.985429][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.985553][   T72]  kthread (kernel/kthread.c:436)
[   11.985647][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.985809][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.985933][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.986059][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.986220][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.986344][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.986467][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.989159][   T72] ------------[ cut here ]------------
| [   11.989283][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/72
| [   11.989520][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   11.990016][   T72] Tainted: [W]=WARN
[   11.990704][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.990855][   T72] Workqueue: netns cleanup_net
[   11.990978][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.991182][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.991606][   T72] RSP: 0018:ffa00000004d7878 EFLAGS: 00010286
[   11.991762][   T72] RAX: 00000000ffffffa6 RBX: ff1100000cd2c900 RCX: 1ff400000009aed5
[   11.991937][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd2c9bc
[   11.992160][   T72] RBP: ff110000110b4000 R08: 1fe22000019a5939 R09: ff11000008cb5260
[   11.992336][   T72] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.992514][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.992697][   T72] FS:  0000000000000000(0000) GS:ff1100007ee2c000(0000) knlGS:0000000000000000
[   11.992949][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.993144][   T72] CR2: 00007f7db3d94000 CR3: 0000000039539001 CR4: 0000000000771ef0
[   11.993323][   T72] PKRU: 55555554
[   11.993413][   T72] Call Trace:
[   11.993501][   T72]  <TASK>
[   11.993563][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.993721][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.993869][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.993990][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.994154][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   11.994310][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.994430][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.994548][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.994665][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.994791][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.994910][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.995032][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.995202][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.995321][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.995454][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   11.995573][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.995696][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.995818][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.995938][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.996060][   T72]  process_one_work (kernel/workqueue.c:3314)
[   11.996232][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.996351][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.996475][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.996596][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.996722][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.996844][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.996963][   T72]  kthread (kernel/kthread.c:436)
[   11.997057][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.997254][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.997374][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.997498][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.997647][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.997772][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.997893][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.002129][   T72] ------------[ cut here ]------------
| [   12.002293][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/72
| [   12.002529][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   12.003051][   T72] Tainted: [W]=WARN
[   12.003147][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.003297][   T72] Workqueue: netns cleanup_net
[   12.003422][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.003577][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.004006][   T72] RSP: 0018:ffa00000004d7878 EFLAGS: 00010286
[   12.004160][   T72] RAX: 00000000ffffffa6 RBX: ff1100000cd2d380 RCX: 1ff400000009aed5
[   12.004338][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd2d43c
[   12.004517][   T72] RBP: ff110000110b9000 R08: 1fe22000019a5a89 R09: ff11000008cb5260
[   12.004700][   T72] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.004877][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.005056][   T72] FS:  0000000000000000(0000) GS:ff1100007ee2c000(0000) knlGS:0000000000000000
[   12.005271][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.005418][   T72] CR2: 00007f7db3d94000 CR3: 0000000039539001 CR4: 0000000000771ef0
[   12.005599][   T72] PKRU: 55555554
[   12.005692][   T72] Call Trace:
[   12.005796][   T72]  <TASK>
[   12.005858][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.006012][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.006166][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.006285][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.006403][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.006557][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.006680][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.006801][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.006921][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.007045][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.007167][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.007289][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.007411][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.007530][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.007653][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   12.007779][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.007898][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.008020][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.008144][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.008264][   T72]  process_one_work (kernel/workqueue.c:3314)
[   12.008388][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.008508][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.008632][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.008758][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.008879][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.008999][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.009125][   T72]  kthread (kernel/kthread.c:436)
[   12.009215][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.009364][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.009482][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.009601][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.009758][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.009876][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.009997][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.013572][   T72] ------------[ cut here ]------------
| [   12.013696][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/72
| [   12.013932][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   12.014475][   T72] Tainted: [W]=WARN
[   12.014565][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.014718][   T72] Workqueue: netns cleanup_net
[   12.014841][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.015000][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.015431][   T72] RSP: 0018:ffa00000004d7878 EFLAGS: 00010286
[   12.015580][   T72] RAX: 00000000ffffffa6 RBX: ff1100000cd48200 RCX: 1ff400000009aed5
[   12.015764][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd482bc
[   12.015944][   T72] RBP: ff11000007bc4000 R08: 1fe22000019a9059 R09: ff11000008cb5260
[   12.016138][   T72] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.016313][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.016493][   T72] FS:  0000000000000000(0000) GS:ff1100007ee2c000(0000) knlGS:0000000000000000
[   12.016703][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.016857][   T72] CR2: 00007f7db3d94000 CR3: 0000000039539001 CR4: 0000000000771ef0
[   12.017038][   T72] PKRU: 55555554
[   12.017131][   T72] Call Trace:
[   12.017220][   T72]  <TASK>
[   12.017282][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.017433][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.017581][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.017705][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.017825][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.017988][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.018112][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.018230][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.018354][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.018473][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.018592][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.018717][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.018839][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.018960][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.019091][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   12.019211][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.019330][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.019456][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.019575][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.019707][   T72]  process_one_work (kernel/workqueue.c:3314)
[   12.019838][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.019958][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.020086][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.020207][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.020325][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.020445][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.020564][   T72]  kthread (kernel/kthread.c:436)
[   12.020653][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.020805][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.020926][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.021046][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.021197][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.021317][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.021440][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.023969][   T72] ------------[ cut here ]------------
| [   12.024242][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/72
| [   12.024490][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   12.024982][   T72] Tainted: [W]=WARN
[   12.025141][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.025292][   T72] Workqueue: netns cleanup_net
[   12.025419][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.025575][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.026048][   T72] RSP: 0018:ffa00000004d7878 EFLAGS: 00010286
[   12.026242][   T72] RAX: 00000000ffffffa6 RBX: ff1100000d6d6200 RCX: 1ff400000009aed5
[   12.026419][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d62bc
[   12.026594][   T72] RBP: ff110000050f9000 R08: 1fe2200001adac59 R09: ff11000008cb5260
[   12.026775][   T72] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   12.026950][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.027188][   T72] FS:  0000000000000000(0000) GS:ff1100007ee2c000(0000) knlGS:0000000000000000
[   12.027394][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.027545][   T72] CR2: 00007f7db3d94000 CR3: 0000000039539001 CR4: 0000000000771ef0
[   12.027725][   T72] PKRU: 55555554
[   12.027813][   T72] Call Trace:
[   12.027901][   T72]  <TASK>
[   12.027963][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.028218][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.028365][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.028483][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.028605][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.028760][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.028879][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.028998][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.029214][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.029333][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.029449][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.029569][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.029699][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.029824][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.029971][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   12.030182][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.030299][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.030420][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.030538][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.030658][   T72]  process_one_work (kernel/workqueue.c:3314)
[   12.030783][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.030902][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.031028][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.031239][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.031357][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.031476][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.031595][   T72]  kthread (kernel/kthread.c:436)
[   12.031687][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.031835][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.031954][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.032165][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.032312][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.032431][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.032549][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.041792][   T72] ------------[ cut here ]------------
| [   12.041941][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/72
| [   12.042183][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   12.042673][   T72] Tainted: [W]=WARN
[   12.042765][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.042914][   T72] Workqueue: netns cleanup_net
[   12.043039][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.043203][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.043638][   T72] RSP: 0018:ffa00000004d7878 EFLAGS: 00010286
[   12.043808][   T72] RAX: 00000000ffffffa6 RBX: ff1100000d6d7380 RCX: 1ff400000009aed5
[   12.043986][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d6d743c
[   12.044168][   T72] RBP: ff110000074a4000 R08: 1fe2200001adae89 R09: ff11000008cb5260
[   12.044347][   T72] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.044525][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.044714][   T72] FS:  0000000000000000(0000) GS:ff1100007ef2c000(0000) knlGS:0000000000000000
[   12.044923][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.045082][   T72] CR2: 00007ffcc44d56c8 CR3: 000000000c24b004 CR4: 0000000000771ef0
[   12.045262][   T72] PKRU: 55555554
[   12.045352][   T72] Call Trace:
[   12.045440][   T72]  <TASK>
[   12.045503][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.045655][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.045814][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.045936][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.046056][   T72]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   12.046215][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.046334][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.046455][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.046575][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.046701][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.046822][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.046948][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.047074][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.047195][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.047318][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   12.047439][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.047558][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.047686][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.047806][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.047929][   T72]  process_one_work (kernel/workqueue.c:3314)
[   12.048053][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.048178][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.048306][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.048427][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.048545][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.048666][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.048794][   T72]  kthread (kernel/kthread.c:436)
[   12.048886][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.049034][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.049161][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.049280][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.049429][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.049553][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.049679][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.145763][   T72] ------------[ cut here ]------------
| [   12.145913][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/72
| [   12.146171][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   12.146682][   T72] Tainted: [W]=WARN
[   12.146777][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.146933][   T72] Workqueue: netns cleanup_net
[   12.147064][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.147238][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.147689][   T72] RSP: 0018:ffa00000004d7748 EFLAGS: 00010286
[   12.147851][   T72] RAX: 00000000ffffffa6 RBX: ff1100000b35e040 RCX: 1ff400000009aeaf
[   12.148033][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b35e0fc
[   12.148225][   T72] RBP: ff11000005eb9000 R08: 1fe220000166bc21 R09: ff11000008cb5260
[   12.148408][   T72] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   12.148594][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004d77e0
[   12.148814][   T72] FS:  0000000000000000(0000) GS:ff1100007ef2c000(0000) knlGS:0000000000000000
[   12.149037][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.149199][   T72] CR2: 00005647e7781d5c CR3: 000000000c24b004 CR4: 0000000000771ef0
[   12.149387][   T72] PKRU: 55555554
[   12.149481][   T72] Call Trace:
[   12.149573][   T72]  <TASK>
[   12.149638][   T72]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.149770][   T72]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.149865][   T72]  netif_close_many (net/core/dev.c:1804)
[   12.149992][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.150122][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.150245][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.150368][   T72]  ? __dev_close_many (net/core/dev.c:1781)
[   12.150494][   T72]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.150648][   T72]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   12.150780][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   12.150941][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.151075][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.151199][   T72]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   12.151325][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.151483][   T72]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.151611][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.151745][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.151870][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.151994][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.152122][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.152248][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.152375][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.152502][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.152626][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.152759][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   12.152885][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.153010][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.153143][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.153268][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.153394][   T72]  process_one_work (kernel/workqueue.c:3314)
[   12.153523][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.153646][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.153778][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.153905][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.154031][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.154163][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.154288][   T72]  kthread (kernel/kthread.c:436)
[   12.154382][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.154536][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.154661][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.154789][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.154945][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.155074][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.155199][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.157511][   T72] ------------[ cut here ]------------
| [   12.157637][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/72
| [   12.157875][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   12.158401][   T72] Tainted: [W]=WARN
[   12.158493][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.158643][   T72] Workqueue: netns cleanup_net
[   12.158771][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.158926][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.159358][   T72] RSP: 0018:ffa00000004d7878 EFLAGS: 00010286
[   12.159508][   T72] RAX: 00000000ffffffa6 RBX: ff1100000b35e900 RCX: 1ff400000009aed5
[   12.159690][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b35e9bc
[   12.159869][   T72] RBP: ff11000005eb9000 R08: 1fe220000166bd39 R09: ff11000008cb5260
[   12.160047][   T72] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.160230][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.160408][   T72] FS:  0000000000000000(0000) GS:ff1100007ef2c000(0000) knlGS:0000000000000000
[   12.160622][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.160773][   T72] CR2: 00005647e7781d5c CR3: 000000000c24b004 CR4: 0000000000771ef0
[   12.160953][   T72] PKRU: 55555554
[   12.161042][   T72] Call Trace:
[   12.161136][   T72]  <TASK>
[   12.161199][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.161351][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.161503][   T72]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.161628][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.161909][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.162028][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.162154][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.162272][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.162391][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.162512][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.162633][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.162756][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.162879][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   12.162998][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.163121][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.163242][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.163360][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.163483][   T72]  process_one_work (kernel/workqueue.c:3314)
[   12.163608][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.163734][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.163858][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.163981][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.164110][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.164233][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.164353][   T72]  kthread (kernel/kthread.c:436)
[   12.164444][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.164594][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.164726][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.164847][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.164997][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.165121][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.165242][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.281447][   T72] ------------[ cut here ]------------
| [   12.281593][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/72
| [   12.281853][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   12.282367][   T72] Tainted: [W]=WARN
[   12.282460][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.282615][   T72] Workqueue: netns cleanup_net
[   12.282748][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.282912][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.283360][   T72] RSP: 0018:ffa00000004d7748 EFLAGS: 00010286
[   12.283522][   T72] RAX: 00000000ffffffa6 RBX: ff1100000a49f540 RCX: 1ff400000009aeaf
[   12.283709][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a49f5fc
[   12.283894][   T72] RBP: ff11000008501000 R08: 1fe2200001493ec1 R09: ff11000008cb5260
[   12.284082][   T72] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   12.284264][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004d77e0
[   12.284446][   T72] FS:  0000000000000000(0000) GS:ff1100007ef2c000(0000) knlGS:0000000000000000
[   12.284662][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.284824][   T72] CR2: 00007fc5fa710000 CR3: 0000000039539001 CR4: 0000000000771ef0
[   12.285008][   T72] PKRU: 55555554
[   12.285106][   T72] Call Trace:
[   12.285199][   T72]  <TASK>
[   12.285263][   T72]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.285387][   T72]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.285482][   T72]  netif_close_many (net/core/dev.c:1804)
[   12.285608][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.285737][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.285859][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.285984][   T72]  ? __dev_close_many (net/core/dev.c:1781)
[   12.286112][   T72]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   12.286265][   T72]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   12.286389][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   12.286544][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.286667][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.286800][   T72]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   12.286922][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.287083][   T72]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.287210][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.287332][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.287456][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.287579][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.287708][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.287832][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.287956][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.288085][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.288212][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.288337][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   12.288463][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.288588][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.288714][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.288836][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.288961][   T72]  process_one_work (kernel/workqueue.c:3314)
[   12.289094][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.289218][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.289345][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.289471][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.289593][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.289722][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.289843][   T72]  kthread (kernel/kthread.c:436)
[   12.289936][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.290095][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.290217][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.290342][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.290502][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.290625][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.290753][   T72]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.297441][   T72] ------------[ cut here ]------------
| [   12.297565][   T72] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/72
| [   12.297804][   T72] Modules linked in: nf_tables veth nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
| [   12.298399][   T72] Tainted: [W]=WARN
[   12.298490][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.298639][   T72] Workqueue: netns cleanup_net
[   12.298769][   T72] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.298924][   T72] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 88 e9 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 88 e9 f0 ff       	call   0xfffffffffff0e9c4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 88 e9 f0 ff       	call   0xfffffffffff0e99a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.299423][   T72] RSP: 0018:ffa00000004d7878 EFLAGS: 00010286
[   12.299575][   T72] RAX: 00000000ffffffa6 RBX: ff1100000a49e740 RCX: 1ff400000009aed5
[   12.299760][   T72] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a49e7fc
[   12.299943][   T72] RBP: ff11000008501000 R08: 1fe2200001493d01 R09: ff11000008cb5260
[   12.300228][   T72] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.300408][   T72] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.300589][   T72] FS:  0000000000000000(0000) GS:ff1100007ef2c000(0000) knlGS:0000000000000000
[   12.300801][   T72] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.300950][   T72] CR2: 00007fc5fa710000 CR3: 0000000039539001 CR4: 0000000000771ef0
[   12.301138][   T72] PKRU: 55555554
[   12.301227][   T72] Call Trace:
[   12.301317][   T72]  <TASK>
[   12.301379][   T72]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.301536][   T72]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   12.301694][   T72]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   12.301817][   T72]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.301938][   T72]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   12.302057][   T72]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   12.302182][   T72]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   12.302302][   T72]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   12.302421][   T72]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   12.302545][   T72]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.302687][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   12.302808][   T72]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.302935][   T72]  cleanup_net (net/core/net_namespace.c:702)
[   12.303056][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[   12.303179][   T72]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   12.303300][   T72]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.303420][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.303544][   T72]  process_one_work (kernel/workqueue.c:3314)
[   12.303674][   T72]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.303795][   T72]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.303922][   T72]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.304043][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.304168][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.304289][   T72]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.304409][   T72]  kthread (kernel/kthread.c:436)
[   12.304499][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.304648][   T72]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.304772][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.304892][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.305041][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.305166][   T72]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:linkwatch_sync_dev:rtnl_getlink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create