======================================
| xx__-> [    8.880365][  T164] ------------[ cut here ]------------
| [    8.880613][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: fib_notificatio/164
| [    8.880999][  T164] Modules linked in: netdevsim
| [    8.881589][  T164] Tainted: [W]=WARN
[    8.881717][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.881936][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.882160][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.882802][  T164] RSP: 0018:ffa00000007f74f8 EFLAGS: 00010286
[    8.883024][  T164] RAX: 00000000ffffffa6 RBX: ff1100000951b540 RCX: 1ff40000000fee65
[    8.883279][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000951b5f0
[    8.883532][  T164] RBP: ff11000009482000 R08: 1fe22000012a36bf R09: ff110000052caf48
[    8.883795][  T164] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.884054][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009482000
[    8.884350][  T164] FS:  00007fa684f5eb80(0000) GS:ff110000a8705000(0000) knlGS:0000000000000000
[    8.884650][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.884867][  T164] CR2: 000055569040d328 CR3: 0000000012f5d004 CR4: 0000000000771ef0
[    8.885134][  T164] PKRU: 55555554
[    8.885262][  T164] Call Trace:
[    8.885390][  T164]  <TASK>
[    8.885477][  T164]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.885645][  T164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.885770][  T164]  register_netdevice (net/core/dev.c:11488)
[    8.885982][  T164]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.886193][  T164]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.886364][  T164] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.886576][  T164] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.886745][  T164] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.886956][  T164]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.887128][  T164]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.887359][  T164]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[    8.887546][  T164]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.887673][  T164]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.887840][  T164]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.888079][  T164] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.888257][  T164]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    8.888433][  T164]  call_driver_probe (drivers/base/dd.c:629)
[    8.888598][  T164]  really_probe (drivers/base/dd.c:709)
[    8.888766][  T164]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.888938][  T164]  __driver_probe_device (drivers/base/dd.c:871)
[    8.889108][  T164]  driver_probe_device (drivers/base/dd.c:901)
[    8.889284][  T164]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.889452][  T164]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.889617][  T164]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.889786][  T164]  __device_attach (drivers/base/dd.c:1101)
[    8.889955][  T164]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.890130][  T164]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.890340][  T164]  ? 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)
[    8.890576][  T164]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.890826][  T164]  device_initial_probe (drivers/base/dd.c:1156)
[    8.891025][  T164]  bus_probe_device (drivers/base/bus.c:613)
[    8.891200][  T164]  device_add (drivers/base/core.c:3706)
[    8.891374][  T164]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.891710][  T164]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.891880][  T164]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.892047][  T164] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.892260][  T164]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.892448][  T164]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.892655][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[    8.892950][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.893251][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.893440][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.893994][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.894256][  T164]  new_sync_write (fs/read_write.c:595)
[    8.894565][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.894831][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.895427][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.895618][  T164]  ? ksys_write (fs/read_write.c:740)
[    8.895791][  T164]  vfs_write (fs/read_write.c:688)
[    8.895925][  T164]  ksys_write (fs/read_write.c:740)
[    8.896311][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.896513][  T164]  ? ksys_write (fs/read_write.c:730)
[    8.896644][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.896814][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.896991][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.897177][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.897387][  T164] RIP: 0033:0x7fa684fd008e
[    8.897684][  T164] 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
[    8.898295][  T164] RSP: 002b:00007fffbcd4f3d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.898547][  T164] RAX: ffffffffffffffda RBX: 00007fa685152580 RCX: 00007fa684fd008e
[    8.898794][  T164] RDX: 0000000000000007 RSI: 000055569040c320 RDI: 0000000000000001
[    8.899048][  T164] RBP: 00007fffbcd4f3e0 R08: 0000000000000000 R09: 0000000000000000
[    8.899545][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    8.899797][  T164] R13: 0000000000000007 R14: 000055569040c320 R15: 0000000000000000
| [    8.935709][  T179] ------------[ cut here ]------------
| [    8.935980][  T179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/179
| [    8.936270][  T179] Modules linked in: netdevsim
| [    8.936933][  T179] Tainted: [W]=WARN
[    8.937085][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.937347][  T179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.937568][  T179] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.938174][  T179] RSP: 0018:ffa0000000517aa8 EFLAGS: 00010286
[    8.938468][  T179] RAX: 00000000ffffffa6 RBX: ff11000011e1f840 RCX: 1ff40000000a2f1b
[    8.938768][  T179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011e1f8f0
[    8.939084][  T179] RBP: ff11000007c8c000 R08: 1fe22000023c3f1f R09: ff11000013345180
[    8.939364][  T179] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.939612][  T179] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007c8c000
[    8.939884][  T179] FS:  00007f9439f99840(0000) GS:ff110000a8685000(0000) knlGS:0000000000000000
[    8.940184][  T179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.940401][  T179] CR2: 0000000000479648 CR3: 0000000008f0c002 CR4: 0000000000771ef0
[    8.940651][  T179] PKRU: 55555554
[    8.940820][  T179] Call Trace:
[    8.940980][  T179]  <TASK>
[    8.941098][  T179]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[    8.941298][  T179]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.941483][  T179]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.941668][  T179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.941820][  T179]  register_netdevice (net/core/dev.c:11488)
[    8.942015][  T179]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.942353][  T179]  register_netdev (net/core/dev.c:11552)
[    8.942534][  T179]  loopback_net_init (drivers/net/loopback.c:218)
[    8.942727][  T179]  ops_init (net/core/net_namespace.c:137)
[    8.942891][  T179]  setup_net (net/core/net_namespace.c:446)
[    8.943040][  T179]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.943225][  T179]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.943406][  T179]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.943588][  T179]  copy_net_ns (net/core/net_namespace.c:579)
[    8.943813][  T179]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.944021][  T179]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.944216][  T179]  ksys_unshare (kernel/fork.c:3243)
[    8.944402][  T179]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.944585][  T179]  ? __ia32_sys_open (fs/open.c:1374)
[    8.944771][  T179]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.944967][  T179]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.945159][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.945346][  T179]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.945530][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.945716][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.945941][  T179] RIP: 0033:0x7f943a25bbcb
[    8.946138][  T179] 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
[    8.946669][  T179] RSP: 002b:00007ffdcba70e48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.946932][  T179] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f943a25bbcb
[    8.947188][  T179] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.947437][  T179] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.947692][  T179] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdcba73070
[    8.947953][  T179] R13: 0000000000000001 R14: 00007f9439f996f8 R15: 00007ffdcba74832
| [    8.985752][  T180] ------------[ cut here ]------------
| [    8.986758][  T180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink/180
| [    8.987189][  T180] Modules linked in: netdevsim
| [    8.987689][  T180] Tainted: [W]=WARN
[    8.987807][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.988089][  T180] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.988293][  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 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.988833][  T180] RSP: 0018:ffa0000000507310 EFLAGS: 00010286
[    8.989119][  T180] RAX: 00000000ffffffa6 RBX: ff1100000aac30c0 RCX: 1ff40000000a0e28
[    8.989349][  T180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aac3170
[    8.989575][  T180] RBP: ff11000009482000 R08: 1fe220000155862f R09: ff110000126e8bd0
[    8.989806][  T180] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.990084][  T180] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.990323][  T180] FS:  00007f91fa2b3840(0000) GS:ff110000a8605000(0000) knlGS:0000000000000000
[    8.990591][  T180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.990783][  T180] CR2: 00005592ff98e950 CR3: 0000000012e96001 CR4: 0000000000771ef0
[    8.991023][  T180] PKRU: 55555554
[    8.991140][  T180] Call Trace:
[    8.991254][  T180]  <TASK>
[    8.991335][  T180]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.991532][  T180]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.991722][  T180]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[    8.991884][  T180]  ? netdev_run_todo (net/core/dev.c:11703)
[    8.992037][  T180]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.992201][  T180]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    8.992352][  T180]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[    8.992545][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.992697][  T180]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    8.992850][  T180] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    8.993009][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.993168][  T180] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    8.993360][  T180] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    8.993602][  T180] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    8.993811][  T180]  devlink_reload (net/devlink/dev.c:462)
[    8.993978][  T180]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[    8.994133][  T180]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[    8.994251][  T180]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    8.994365][  T180]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    8.994518][  T180]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    8.994704][  T180]  ? __nla_validate_parse (lib/nlattr.c:635)
[    8.994854][  T180]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    8.995056][  T180]  ? __nla_parse (lib/nlattr.c:732)
[    8.995220][  T180]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    8.995372][  T180]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    8.995561][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.995714][  T180]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.995871][  T180]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    8.996024][  T180]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    8.996179][  T180]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    8.996364][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.996550][  T180]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[    8.996701][  T180]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    8.996849][  T180]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[    8.997006][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.997164][  T180]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    8.997315][  T180]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.997465][  T180]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    8.997615][  T180]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.997769][  T180]  ? 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))
[    8.997927][  T180]  ? 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))
[    8.998078][  T180]  genl_rcv (net/netlink/genetlink.c:1218)
[    8.998195][  T180]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.998346][  T180]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.998498][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.998652][  T180]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.998806][  T180]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.998968][  T180]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.999123][  T180]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.999275][  T180]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.999427][  T180]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.999581][  T180]  ? build_open_flags (fs/open.c:1212)
[    8.999736][  T180]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[    8.999892][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    9.000046][  T180]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    9.000201][  T180]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.000389][  T180]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.000538][  T180]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.000687][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.000838][  T180]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.000993][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.001149][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.001338][  T180] RIP: 0033:0x7f91fa4ed08e
[    9.001495][  T180] 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
[    9.002026][  T180] RSP: 002b:00007ffc48582000 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.002257][  T180] RAX: ffffffffffffffda RBX: 000000003d9ba980 RCX: 00007f91fa4ed08e
[    9.002483][  T180] RDX: 0000000000000040 RSI: 000000003d9baba0 RDI: 0000000000000005
[    9.002705][  T180] RBP: 00007ffc48582010 R08: 00007f91fa7a1980 R09: 000000000000000c
[    9.002936][  T180] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    9.003163][  T180] R13: 000000003d9ba980 R14: 0000000000000000 R15: 0000000000000001
| [    9.044137][  T180] ------------[ cut here ]------------
| [    9.044314][  T180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/180
| [    9.044628][  T180] Modules linked in: netdevsim
| [    9.045148][  T180] Tainted: [W]=WARN
[    9.045269][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.045464][  T180] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.045665][  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 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.046231][  T180] RSP: 0018:ffa0000000507268 EFLAGS: 00010286
[    9.046429][  T180] RAX: 00000000ffffffa6 RBX: ff11000008ecb9c0 RCX: 1ff40000000a0e13
[    9.046663][  T180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ecba70
[    9.046906][  T180] RBP: ff1100001730a000 R08: 1fe22000011d974f R09: ff110000126e8bd0
[    9.047140][  T180] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.047372][  T180] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001730a000
[    9.047607][  T180] FS:  00007f91fa2b3840(0000) GS:ff110000a8705000(0000) knlGS:0000000000000000
[    9.047888][  T180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.048083][  T180] CR2: 00005592ff98bd88 CR3: 0000000012e96004 CR4: 0000000000771ef0
[    9.048322][  T180] PKRU: 55555554
[    9.048439][  T180] Call Trace:
[    9.048556][  T180]  <TASK>
[    9.048636][  T180]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.048798][  T180]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.048921][  T180]  register_netdevice (net/core/dev.c:11488)
[    9.049079][  T180]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.049275][  T180]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.049435][  T180] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.049635][  T180] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.049793][  T180] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.049996][  T180]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.050159][  T180]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.050355][  T180]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[    9.050512][  T180]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.050633][  T180]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.050792][  T180]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.050993][  T180] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[    9.051200][  T180]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[    9.051396][  T180]  devlink_reload (net/devlink/dev.c:475)
[    9.051554][  T180]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[    9.051711][  T180]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[    9.051832][  T180]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    9.051955][  T180]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    9.052123][  T180]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    9.052344][  T180]  ? __nla_validate_parse (lib/nlattr.c:635)
[    9.052501][  T180]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.052659][  T180]  ? __nla_parse (lib/nlattr.c:732)
[    9.052816][  T180]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    9.052980][  T180]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    9.053181][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.053340][  T180]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.053496][  T180]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.053653][  T180]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    9.053809][  T180]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    9.054009][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.054213][  T180]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[    9.054367][  T180]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.054521][  T180]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[    9.054677][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.054835][  T180]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    9.054995][  T180]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.055154][  T180]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    9.055313][  T180]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.055473][  T180]  ? 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))
[    9.055629][  T180]  ? 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))
[    9.055790][  T180]  genl_rcv (net/netlink/genetlink.c:1218)
[    9.055912][  T180]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.056068][  T180]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.056230][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.056388][  T180]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.056545][  T180]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.056705][  T180]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.056867][  T180]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.057025][  T180]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    9.057189][  T180]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    9.057355][  T180]  ? build_open_flags (fs/open.c:1212)
[    9.057517][  T180]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[    9.057674][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    9.057832][  T180]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    9.057990][  T180]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.058188][  T180]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.058345][  T180]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.058502][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.058661][  T180]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.058816][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.058980][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.059180][  T180] RIP: 0033:0x7f91fa4ed08e
[    9.059346][  T180] 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
[    9.059906][  T180] RSP: 002b:00007ffc48582000 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.060143][  T180] RAX: ffffffffffffffda RBX: 000000003d9ba980 RCX: 00007f91fa4ed08e
[    9.060379][  T180] RDX: 0000000000000040 RSI: 000000003d9baba0 RDI: 0000000000000005
[    9.060613][  T180] RBP: 00007ffc48582010 R08: 00007f91fa7a1980 R09: 000000000000000c
[    9.060850][  T180] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    9.061088][  T180] R13: 000000003d9ba980 R14: 0000000000000000 R15: 0000000000000001
| [    9.094712][  T183] ------------[ cut here ]------------
| [    9.094977][  T183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/183
| [    9.095257][  T183] Modules linked in: netdevsim
| [    9.095728][  T183] Tainted: [W]=WARN
[    9.095834][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.096015][  T183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.096200][  T183] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.096693][  T183] RSP: 0018:ffa00000005171b0 EFLAGS: 00010286
[    9.096872][  T183] RAX: 00000000ffffffa6 RBX: ff11000013932ac0 RCX: 1ff40000000a2dfc
[    9.097080][  T183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000013932b70
[    9.097291][  T183] RBP: ff11000008aec000 R08: 1fe220000272656f R09: ff11000012df51a8
[    9.097501][  T183] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.097708][  T183] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.097923][  T183] FS:  00007f46095ad840(0000) GS:ff110000a8585000(0000) knlGS:0000000000000000
[    9.098172][  T183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.098347][  T183] CR2: 00000000004a77b8 CR3: 0000000012d35005 CR4: 0000000000771ef0
[    9.098555][  T183] PKRU: 55555554
[    9.098660][  T183] Call Trace:
[    9.098765][  T183]  <TASK>
[    9.098837][  T183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.099042][  T183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.099186][  T183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.099326][  T183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.099431][  T183]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[    9.099571][  T183]  __dev_notify_flags (net/core/dev.c:9787)
[    9.099712][  T183]  ? netif_change_name (net/core/dev.c:1495)
[    9.099854][  T183]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.100082][  T183]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.100228][  T183]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.100369][  T183]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.100507][  T183]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.100646][  T183]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.100790][  T183]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.100990][  T183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.101189][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.101332][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.101472][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.101612][  T183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.101750][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.101951][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.102091][  T183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.102232][  T183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.102371][  T183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.102510][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.102650][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.102792][  T183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.102987][  T183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.103131][  T183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.103270][  T183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.103410][  T183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.103552][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.103690][  T183]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.103832][  T183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.104027][  T183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.104170][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.104309][  T183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.104449][  T183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.104589][  T183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.104732][  T183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.104927][  T183]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.105068][  T183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.105243][  T183]  ? move_addr_to_kernel (net/socket.c:258)
[    9.105383][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.105523][  T183]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.105662][  T183]  ___sys_sendmsg (net/socket.c:2752)
[    9.105801][  T183]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.105994][  T183]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.106144][  T183]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.106286][  T183]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.106427][  T183]  __sys_sendmsg (net/socket.c:2784)
[    9.106566][  T183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.106709][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.106847][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.107045][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.107186][  T183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.107326][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.107465][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.107639][  T183] RIP: 0033:0x7f46097e708e
[    9.107786][  T183] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.108288][  T183] RSP: 002b:00007ffc3837a5e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.108500][  T183] RAX: ffffffffffffffda RBX: 00007ffc3837ad90 RCX: 00007f46097e708e
[    9.108708][  T183] RDX: 0000000000000000 RSI: 00007ffc3837a690 RDI: 0000000000000005
[    9.108922][  T183] RBP: 00007ffc3837a5f0 R08: 0000000000000000 R09: 0000000000000000
[    9.109133][  T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e953
[    9.109340][  T183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3837ad60
| [    9.141003][  T184] ------------[ cut here ]------------
| [    9.141206][  T184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/184
| [    9.141454][  T184] Modules linked in: netdevsim
| [    9.142588][  T184] Tainted: [W]=WARN
[    9.142696][  T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.142909][  T184] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.143089][  T184] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.143610][  T184] RSP: 0018:ffa0000000517020 EFLAGS: 00010286
[    9.143784][  T184] RAX: 00000000ffffffa6 RBX: ff110000139333c0 RCX: 1ff40000000a2dca
[    9.143998][  T184] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000013933470
[    9.144208][  T184] RBP: ff11000008aec000 R08: 1fe220000272668f R09: ff11000012df2e80
[    9.144411][  T184] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.144615][  T184] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.144822][  T184] FS:  00007fced2291840(0000) GS:ff110000a8705000(0000) knlGS:0000000000000000
[    9.145078][  T184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.145257][  T184] CR2: 00007fced25611a0 CR3: 000000000aa74005 CR4: 0000000000771ef0
[    9.145464][  T184] PKRU: 55555554
[    9.145568][  T184] Call Trace:
[    9.145671][  T184]  <TASK>
[    9.145744][  T184]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    9.145887][  T184]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.146026][  T184]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.146134][  T184]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.146273][  T184]  __dev_notify_flags (net/core/dev.c:9787)
[    9.146412][  T184]  ? netif_change_name (net/core/dev.c:1495)
[    9.146549][  T184]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.146687][  T184]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.146824][  T184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.146969][  T184]  ? 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))
[    9.147109][  T184]  netif_change_flags (net/core/dev.c:9820)
[    9.147255][  T184]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.147394][  T184]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.147532][  T184]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.147708][  T184]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.147848][  T184]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.147992][  T184]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.148134][  T184]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.148272][  T184]  ? __kernel_text_address (kernel/extable.c:79)
[    9.148410][  T184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.148552][  T184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.148689][  T184]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.148828][  T184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.148970][  T184]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.149107][  T184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.149250][  T184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.149388][  T184]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.149526][  T184]  ? __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)
[    9.149665][  T184]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.149803][  T184]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.149948][  T184]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.150089][  T184]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.150234][  T184]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.150373][  T184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.150510][  T184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.150649][  T184]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.150788][  T184]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.150932][  T184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.151072][  T184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.151213][  T184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.151351][  T184]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.151488][  T184]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.151628][  T184]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.151765][  T184]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.151909][  T184]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.152048][  T184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.152190][  T184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.152331][  T184]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.152469][  T184]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.152608][  T184]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.152747][  T184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.152892][  T184]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.153035][  T184]  ? 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))
[    9.153177][  T184]  ? 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))
[    9.153318][  T184]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.153458][  T184]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.153596][  T184]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.153737][  T184]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.153881][  T184]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.154020][  T184]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.154164][  T184]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.154305][  T184]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.154443][  T184]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.154615][  T184]  ? move_addr_to_kernel (net/socket.c:258)
[    9.154754][  T184]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.154919][  T184]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.155104][  T184]  ___sys_sendmsg (net/socket.c:2752)
[    9.155298][  T184]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.155554][  T184]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.155796][  T184]  __sys_sendmsg (net/socket.c:2784)
[    9.156021][  T184]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.156240][  T184]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.156514][  T184]  ? 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)
[    9.156733][  T184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.156956][  T184]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.157174][  T184]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.157391][  T184]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.157593][  T184]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.157795][  T184] RIP: 0033:0x7fced24cb08e
[    9.157944][  T184] 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
[    9.158442][  T184] RSP: 002b:00007ffc288a86b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.158652][  T184] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fced24cb08e
[    9.158868][  T184] RDX: 0000000000000000 RSI: 00007ffc288a8760 RDI: 0000000000000005
[    9.159078][  T184] RBP: 00007ffc288a86c0 R08: 0000000000000000 R09: 0000000000000000
[    9.159292][  T184] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e953
[    9.159499][  T184] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc288a8e30
| [   22.212074][  T269] ------------[ cut here ]------------
| [   22.212318][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/269
| [   22.212611][  T269] Modules linked in: netdevsim
| [   22.213143][  T269] Tainted: [W]=WARN
[   22.213302][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.213520][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.213763][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.214418][  T269] RSP: 0018:ffa0000000a871b0 EFLAGS: 00010286
[   22.214714][  T269] RAX: 00000000ffffffa6 RBX: ff1100000552d9c0 RCX: 1ff4000000150dfc
[   22.215046][  T269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000552da70
[   22.215378][  T269] RBP: ff110000028e1000 R08: 1fe2200000aa5b4f R09: ff11000011e52ea8
[   22.215712][  T269] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.216093][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.216352][  T269] FS:  00007f666cf6c840(0000) GS:ff110000a8685000(0000) knlGS:0000000000000000
[   22.216640][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.216873][  T269] CR2: 00000000004a77b8 CR3: 0000000012417005 CR4: 0000000000771ef0
[   22.217131][  T269] PKRU: 55555554
[   22.217292][  T269] Call Trace:
[   22.217443][  T269]  <TASK>
[   22.217560][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.217746][  T269]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.217943][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.218127][  T269]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.218286][  T269]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   22.218470][  T269]  __dev_notify_flags (net/core/dev.c:9787)
[   22.218656][  T269]  ? netif_change_name (net/core/dev.c:1495)
[   22.218843][  T269]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.219072][  T269]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   22.219264][  T269]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   22.219449][  T269]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   22.219631][  T269]  ? __dev_get_by_name (net/core/dev.c:883)
[   22.219814][  T269]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   22.220016][  T269]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   22.220208][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.220393][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.220575][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.220759][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.220956][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.221138][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.221335][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.221521][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.221707][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.221904][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.222087][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.222277][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.222465][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.222648][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.222833][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.223028][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.223222][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.223410][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.223593][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.223782][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.223980][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.224173][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.224361][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.224549][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.224734][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.224937][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.225124][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.225339][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.225559][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   22.225747][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.225943][  T269]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   22.226131][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   22.226322][  T269]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   22.226506][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.226694][  T269]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   22.226897][  T269]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   22.227086][  T269]  __sys_sendmsg (net/socket.c:2784)
[   22.227277][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.227467][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.227652][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.227836][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.228034][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.228228][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.228416][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.228633][  T269] RIP: 0033:0x7f666d1a608e
[   22.228821][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.229370][  T269] RSP: 002b:00007fffc49cdea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.229623][  T269] RAX: ffffffffffffffda RBX: 00007fffc49ce650 RCX: 00007f666d1a608e
[   22.229883][  T269] RDX: 0000000000000000 RSI: 00007fffc49cdf50 RDI: 0000000000000005
[   22.230135][  T269] RBP: 00007fffc49cdeb0 R08: 0000000000000000 R09: 0000000000000000
[   22.230395][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e960
[   22.230645][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc49ce620
| [   22.273719][  T270] ------------[ cut here ]------------
| [   22.273986][  T270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/270
| [   22.274351][  T270] Modules linked in: netdevsim
| [   22.275002][  T270] Tainted: [W]=WARN
[   22.275164][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.275428][  T270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.275709][  T270] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.276466][  T270] RSP: 0018:ffa0000000a27020 EFLAGS: 00010286
[   22.276728][  T270] RAX: 00000000ffffffa6 RBX: ff1100000552cc40 RCX: 1ff4000000144dca
[   22.277046][  T270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000552ccf0
[   22.277365][  T270] RBP: ff110000028e1000 R08: 1fe2200000aa599f R09: ff11000011e55180
[   22.277679][  T270] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   22.277999][  T270] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.278317][  T270] FS:  00007f6c74014840(0000) GS:ff110000a8705000(0000) knlGS:0000000000000000
[   22.278680][  T270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.278949][  T270] CR2: 000000000c4ab988 CR3: 0000000012f0f003 CR4: 0000000000771ef0
[   22.279270][  T270] PKRU: 55555554
[   22.279426][  T270] Call Trace:
[   22.279582][  T270]  <TASK>
[   22.279690][  T270]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   22.279908][  T270]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.280118][  T270]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.280278][  T270]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.280488][  T270]  __dev_notify_flags (net/core/dev.c:9787)
[   22.280700][  T270]  ? netif_change_name (net/core/dev.c:1495)
[   22.281010][  T270]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.281222][  T270]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.281426][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.281636][  T270]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   22.281848][  T270]  netif_change_flags (net/core/dev.c:9820)
[   22.282198][  T270]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.282412][  T270]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.282620][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.283023][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.283238][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.283446][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.283656][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.284022][  T270]  ? __kernel_text_address (kernel/extable.c:79)
[   22.284236][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.284447][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.284655][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.284972][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.285187][  T270]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.285397][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.285607][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.285814][  T270]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.286031][  T270]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   22.286246][  T270]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.286452][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.286659][  T270]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.286880][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.287095][  T270]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.287311][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.287517][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.287723][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.287941][  T270]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.288141][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.288340][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.288547][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.288756][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.288974][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.289190][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.289398][  T270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.289610][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.289815][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.290026][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.290244][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.290453][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.290662][  T270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.290876][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.291089][  T270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.291308][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.291512][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.291723][  T270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.291940][  T270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.292150][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.292367][  T270]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.292580][  T270]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.292787][  T270]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.293009][  T270]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.293243][  T270]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.293454][  T270]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.293712][  T270]  ? move_addr_to_kernel (net/socket.c:258)
[   22.293930][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.294142][  T270]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.294359][  T270]  ___sys_sendmsg (net/socket.c:2752)
[   22.294566][  T270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.294827][  T270]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.295068][  T270]  __sys_sendmsg (net/socket.c:2784)
[   22.295283][  T270]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.295493][  T270]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.295762][  T270]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.295983][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.296201][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.296411][  T270]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.296623][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.296832][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.297104][  T270] RIP: 0033:0x7f6c7424e08e
[   22.297330][  T270] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.298088][  T270] RSP: 002b:00007fff0f123ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.298412][  T270] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6c7424e08e
[   22.298720][  T270] RDX: 0000000000000000 RSI: 00007fff0f123f90 RDI: 0000000000000005
[   22.299034][  T270] RBP: 00007fff0f123ef0 R08: 0000000000000000 R09: 0000000000000000
[   22.299349][  T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e960
[   22.299658][  T270] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0f124660
| [   32.012767][  T315] ------------[ cut here ]------------
| [   32.013036][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/315
| [   32.013417][  T315] Modules linked in: netdevsim
| [   32.014071][  T315] Tainted: [W]=WARN
[   32.014239][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.014506][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.014781][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.015538][  T315] RSP: 0018:ffa0000000c07010 EFLAGS: 00010286
[   32.015805][  T315] RAX: 00000000ffffffa6 RBX: ff1100000951a640 RCX: 1ff4000000180dc8
[   32.016124][  T315] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000951a6f0
[   32.016443][  T315] RBP: ff110000028e1000 R08: 1fe22000012a34df R09: ff11000013a28b80
[   32.016756][  T315] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   32.017081][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000c07100
[   32.017400][  T315] FS:  00007f18bd281840(0000) GS:ff110000a8705000(0000) knlGS:0000000000000000
[   32.017768][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.018040][  T315] CR2: 00007f18bd5511a0 CR3: 0000000012f95003 CR4: 0000000000771ef0
[   32.018362][  T315] PKRU: 55555554
[   32.018519][  T315] Call Trace:
[   32.018676][  T315]  <TASK>
[   32.018788][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.019015][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.019173][  T315]  netif_close_many (net/core/dev.c:1804)
[   32.019387][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.019597][  T315]  ? __dev_close_many (net/core/dev.c:1781)
[   32.019809][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.020032][  T315]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.020249][  T315]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.020456][  T315]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   32.020716][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.020933][  T315]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.021198][  T315]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.021405][  T315]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.021609][  T315]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.021877][  T315]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.022087][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.022302][  T315]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.022512][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.022720][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.022937][  T315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.023146][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.023359][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.023606][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.023814][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.024032][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.024245][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.024456][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.024663][  T315]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   32.024913][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.025121][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.025338][  T315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.025549][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.025764][  T315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.025982][  T315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.026198][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.026406][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.026616][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.026831][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.027049][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.027264][  T315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.027473][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.027685][  T315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.027910][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.028120][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.028342][  T315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.028554][  T315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.028764][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.028986][  T315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.029200][  T315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.029412][  T315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.029626][  T315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.029838][  T315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.030057][  T315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.030318][  T315]  ? move_addr_to_kernel (net/socket.c:258)
[   32.030533][  T315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.030745][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.030967][  T315]  ___sys_sendmsg (net/socket.c:2752)
[   32.031175][  T315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.031440][  T315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.031674][  T315]  __sys_sendmsg (net/socket.c:2784)
[   32.031897][  T315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.032105][  T315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.032374][  T315]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.032588][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.032803][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.033020][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.033235][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.033448][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.033707][  T315] RIP: 0033:0x7f18bd4bb08e
[   32.033933][  T315] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.034679][  T315] RSP: 002b:00007ffea2bca900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.035047][  T315] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f18bd4bb08e
[   32.035363][  T315] RDX: 0000000000000000 RSI: 00007ffea2bca9b0 RDI: 0000000000000005
[   32.035670][  T315] RBP: 00007ffea2bca910 R08: 0000000000000000 R09: 0000000000000000
[   32.035982][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e96a
[   32.036301][  T315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea2bcb080
| [   32.042037][  T315] ------------[ cut here ]------------
| [   32.042253][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/315
| [   32.042590][  T315] Modules linked in: netdevsim
| [   32.043211][  T315] Tainted: [W]=WARN
[   32.043366][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.043608][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.043867][  T315] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   32.044556][  T315] RSP: 0018:ffa0000000c07190 EFLAGS: 00010286
[   32.044799][  T315] RAX: 00000000ffffffa6 RBX: ff11000008ecaf40 RCX: 1ff4000000180df8
[   32.045099][  T315] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ecaff0
[   32.045398][  T315] RBP: ff110000028e1000 R08: 1fe22000011d95ff R09: ff11000013a28b58
[   32.045687][  T315] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.045990][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.046280][  T315] FS:  00007f18bd281840(0000) GS:ff110000a8705000(0000) knlGS:0000000000000000
[   32.046621][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.046871][  T315] CR2: 00007f18bd5511a0 CR3: 0000000012f95003 CR4: 0000000000771ef0
[   32.047161][  T315] PKRU: 55555554
[   32.047310][  T315] Call Trace:
[   32.047456][  T315]  <TASK>
[   32.047558][  T315]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.047804][  T315]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.048049][  T315]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.048246][  T315]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.048442][  T315]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.048687][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.048998][  T315]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   32.049197][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.049387][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.049580][  T315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.049774][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.050154][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.050385][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.050578][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.050771][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   32.051156][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.051355][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.051549][  T315]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   32.051742][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.052038][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.052238][  T315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.052435][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.052629][  T315]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   32.052821][  T315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   32.053129][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.053329][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.053522][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.053721][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.054048][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   32.054251][  T315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   32.054433][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.054623][  T315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.054820][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.055095][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.055295][  T315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.055491][  T315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.055683][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   32.055966][  T315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   32.056161][  T315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   32.056364][  T315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   32.056561][  T315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   32.056755][  T315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   32.057038][  T315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   32.057280][  T315]  ? move_addr_to_kernel (net/socket.c:258)
[   32.057473][  T315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.057665][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   32.057949][  T315]  ___sys_sendmsg (net/socket.c:2752)
[   32.058141][  T315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   32.058388][  T315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   32.058603][  T315]  __sys_sendmsg (net/socket.c:2784)
[   32.058799][  T315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   32.059080][  T315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   32.059335][  T315]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.059533][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.059730][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   32.060013][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   32.060215][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   32.060411][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.060652][  T315] RIP: 0033:0x7f18bd4bb08e
[   32.060950][  T315] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.061635][  T315] RSP: 002b:00007ffea2bca900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.062022][  T315] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f18bd4bb08e
[   32.062318][  T315] RDX: 0000000000000000 RSI: 00007ffea2bca9b0 RDI: 0000000000000005
[   32.062602][  T315] RBP: 00007ffea2bca910 R08: 0000000000000000 R09: 0000000000000000
[   32.062981][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e96a
[   32.063278][  T315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea2bcb080
| [   51.770353][  T458] ------------[ cut here ]------------
| [   51.770574][  T458] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/458
| [   51.771405][  T458] Modules linked in: netdevsim
| [   51.771922][  T458] Tainted: [W]=WARN
[   51.772069][  T458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.772290][  T458] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.772514][  T458] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.773044][  T458] RSP: 0018:ffa00000011a71b0 EFLAGS: 00010286
[   51.773266][  T458] RAX: 00000000ffffffa6 RBX: ff11000011e1e040 RCX: 1ff4000000234dfc
[   51.773513][  T458] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011e1e0f0
[   51.773761][  T458] RBP: ff11000008311000 R08: 1fe22000023c3c1f R09: ff1100000a292ea8
[   51.774020][  T458] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   51.774274][  T458] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.774524][  T458] FS:  00007f0f4e8f3840(0000) GS:ff110000a8685000(0000) knlGS:0000000000000000
[   51.774807][  T458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.775038][  T458] CR2: 00000000004a77b8 CR3: 0000000017337001 CR4: 0000000000771ef0
[   51.775293][  T458] PKRU: 55555554
[   51.775442][  T458] Call Trace:
[   51.775590][  T458]  <TASK>
[   51.775708][  T458]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.775904][  T458]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.776088][  T458]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.776279][  T458]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.776429][  T458]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[   51.776611][  T458]  __dev_notify_flags (net/core/dev.c:9787)
[   51.776794][  T458]  ? netif_change_name (net/core/dev.c:1495)
[   51.776993][  T458]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   51.777209][  T458]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   51.777399][  T458]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   51.777581][  T458]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   51.777762][  T458]  ? __dev_get_by_name (net/core/dev.c:883)
[   51.777959][  T458]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   51.778147][  T458]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   51.778337][  T458]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.778523][  T458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.778704][  T458]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.778899][  T458]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.779079][  T458]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.779265][  T458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.779453][  T458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.779638][  T458]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.779820][  T458]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.780011][  T458]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.780194][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.780384][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.780571][  T458]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.780754][  T458]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.780945][  T458]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.781126][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.781317][  T458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.781504][  T458]  ? 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))
[   51.781688][  T458]  ? 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))
[   51.781884][  T458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.782068][  T458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.782256][  T458]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.782443][  T458]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.782628][  T458]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.782810][  T458]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.783008][  T458]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.783193][  T458]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.783385][  T458]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.783614][  T458]  ? move_addr_to_kernel (net/socket.c:258)
[   51.783798][  T458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.783993][  T458]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   51.784177][  T458]  ___sys_sendmsg (net/socket.c:2752)
[   51.784365][  T458]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   51.784547][  T458]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.784734][  T458]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   51.784932][  T458]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   51.785117][  T458]  __sys_sendmsg (net/socket.c:2784)
[   51.785308][  T458]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.785497][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.785678][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.785876][  T458]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.786058][  T458]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.786239][  T458]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.786430][  T458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.786642][  T458] RIP: 0033:0x7f0f4eb2d08e
[   51.786830][  T458] 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
[   51.787367][  T458] RSP: 002b:00007ffe7507dd80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.787615][  T458] RAX: ffffffffffffffda RBX: 00007ffe7507e530 RCX: 00007f0f4eb2d08e
[   51.787872][  T458] RDX: 0000000000000000 RSI: 00007ffe7507de30 RDI: 0000000000000005
[   51.788120][  T458] RBP: 00007ffe7507dd90 R08: 0000000000000000 R09: 0000000000000000
[   51.788375][  T458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e97e
[   51.788621][  T458] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7507e500
| [   51.818150][  T459] ------------[ cut here ]------------
| [   51.818312][  T459] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/459
| [   51.818544][  T459] Modules linked in: netdevsim
| [   51.818962][  T459] Tainted: [W]=WARN
[   51.819064][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.819234][  T459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.819409][  T459] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.819882][  T459] RSP: 0018:ffa00000011b7020 EFLAGS: 00010286
[   51.820049][  T459] RAX: 00000000ffffffa6 RBX: ff1100000951bb40 RCX: 1ff4000000236dca
[   51.820244][  T459] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000951bbf0
[   51.820497][  T459] RBP: ff11000008311000 R08: 1fe22000012a377f R09: ff1100000a290b80
[   51.820693][  T459] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   51.820895][  T459] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.821093][  T459] FS:  00007f6b519f5840(0000) GS:ff110000a8585000(0000) knlGS:0000000000000000
[   51.821329][  T459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.821495][  T459] CR2: 000000003d9a6988 CR3: 000000001389f005 CR4: 0000000000771ef0
[   51.821691][  T459] PKRU: 55555554
[   51.821788][  T459] Call Trace:
[   51.821895][  T459]  <TASK>
[   51.821964][  T459]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.822098][  T459]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.822201][  T459]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.822335][  T459]  __dev_notify_flags (net/core/dev.c:9787)
[   51.822468][  T459]  ? netif_change_name (net/core/dev.c:1495)
[   51.822599][  T459]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.822732][  T459]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.822925][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.823058][  T459]  ? 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))
[   51.823194][  T459]  netif_change_flags (net/core/dev.c:9820)
[   51.823332][  T459]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.823465][  T459]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.823599][  T459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.823763][  T459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.823952][  T459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.824138][  T459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.824279][  T459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.824413][  T459]  ? __kernel_text_address (kernel/extable.c:79)
[   51.824546][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.824680][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.824812][  T459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.824999][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.825132][  T459]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.825267][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.825398][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.825529][  T459]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.825661][  T459]  ? __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)
[   51.825793][  T459]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.825980][  T459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.826114][  T459]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.826254][  T459]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.826389][  T459]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.826523][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.826654][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.826786][  T459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.826943][  T459]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.827074][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.827209][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.827346][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.827477][  T459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.827609][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.827741][  T459]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.827881][  T459]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.828012][  T459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.828144][  T459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.828282][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.828418][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.828549][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.828682][  T459]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.828813][  T459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.828953][  T459]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.829088][  T459]  ? 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))
[   51.829219][  T459]  ? 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))
[   51.829356][  T459]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.829489][  T459]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.829619][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.829752][  T459]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.829890][  T459]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.830024][  T459]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.830158][  T459]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.830294][  T459]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.830426][  T459]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.830590][  T459]  ? move_addr_to_kernel (net/socket.c:258)
[   51.830723][  T459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.830854][  T459]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.830995][  T459]  ___sys_sendmsg (net/socket.c:2752)
[   51.831127][  T459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.831296][  T459]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.831443][  T459]  __sys_sendmsg (net/socket.c:2784)
[   51.831575][  T459]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.831706][  T459]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.831877][  T459]  ? 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)
[   51.832010][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.832143][  T459]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.832280][  T459]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.832412][  T459]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.832544][  T459]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.832707][  T459] RIP: 0033:0x7f6b51c2f08e
[   51.832846][  T459] 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
[   51.833328][  T459] RSP: 002b:00007ffee0147e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.833529][  T459] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6b51c2f08e
[   51.833726][  T459] RDX: 0000000000000000 RSI: 00007ffee0147ec0 RDI: 0000000000000005
[   51.833931][  T459] RBP: 00007ffee0147e20 R08: 0000000000000000 R09: 0000000000000000
[   51.834128][  T459] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e97e
[   51.834329][  T459] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee0148590
| [   61.530955][  T504] ------------[ cut here ]------------
| [   61.531181][  T504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/504
| [   61.531475][  T504] Modules linked in: netdevsim
| [   61.532465][  T504] Tainted: [W]=WARN
[   61.532610][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.532820][  T504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.533052][  T504] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.533570][  T504] RSP: 0018:ffa00000005f7010 EFLAGS: 00010286
[   61.533783][  T504] RAX: 00000000ffffffa6 RBX: ff1100000552d540 RCX: 1ff40000000bedc8
[   61.534037][  T504] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000552d5f0
[   61.534290][  T504] RBP: ff11000008311000 R08: 1fe2200000aa5abf R09: ff11000013872e80
[   61.534531][  T504] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.534771][  T504] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000005f7100
[   61.535031][  T504] FS:  00007f30afbcb840(0000) GS:ff110000a8685000(0000) knlGS:0000000000000000
[   61.535316][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.535532][  T504] CR2: 0000000040251988 CR3: 0000000012dff003 CR4: 0000000000771ef0
[   61.535775][  T504] PKRU: 55555554
[   61.535931][  T504] Call Trace:
[   61.536079][  T504]  <TASK>
[   61.536194][  T504]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.536424][  T504]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.536571][  T504]  netif_close_many (net/core/dev.c:1804)
[   61.536750][  T504]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.536939][  T504]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   61.537117][  T504]  ? __dev_close_many (net/core/dev.c:1781)
[   61.537300][  T504]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   61.537515][  T504]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.537697][  T504]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   61.537922][  T504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.538103][  T504]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.538315][  T504]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.538495][  T504]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.538673][  T504]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.538899][  T504]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.539077][  T504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.539257][  T504]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   61.539444][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.539620][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.539799][  T504]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.539988][  T504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.540165][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.540372][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.540553][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.540734][  T504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.540922][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.541101][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.541287][  T504]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   61.541500][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.541682][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.541873][  T504]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.542049][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.542227][  T504]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.542414][  T504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.542592][  T504]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.542769][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.542959][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.543144][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.543328][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.543509][  T504]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.543687][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.543879][  T504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.544061][  T504]  ? 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))
[   61.544239][  T504]  ? 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))
[   61.544427][  T504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.544605][  T504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.544783][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.544975][  T504]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.545155][  T504]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.545343][  T504]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.545527][  T504]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.545706][  T504]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.545895][  T504]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.546104][  T504]  ? move_addr_to_kernel (net/socket.c:258)
[   61.546291][  T504]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.546473][  T504]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.546653][  T504]  ___sys_sendmsg (net/socket.c:2752)
[   61.546830][  T504]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.547055][  T504]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.547247][  T504]  __sys_sendmsg (net/socket.c:2784)
[   61.547430][  T504]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.547608][  T504]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.547824][  T504]  ? 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)
[   61.548011][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.548191][  T504]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.548378][  T504]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.548559][  T504]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.548740][  T504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.548967][  T504] RIP: 0033:0x7f30afe0508e
[   61.549153][  T504] 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
[   61.549673][  T504] RSP: 002b:00007fff75f98920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.549932][  T504] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f30afe0508e
[   61.550175][  T504] RDX: 0000000000000000 RSI: 00007fff75f989d0 RDI: 0000000000000005
[   61.550423][  T504] RBP: 00007fff75f98930 R08: 0000000000000000 R09: 0000000000000000
[   61.550785][  T504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e987
[   61.551036][  T504] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff75f990a0
| [   61.560529][  T504] ------------[ cut here ]------------
| [   61.560711][  T504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/504
| [   61.561155][  T504] Modules linked in: netdevsim
| [   61.561795][  T504] Tainted: [W]=WARN
[   61.562005][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.562266][  T504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.562648][  T504] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   61.563202][  T504] RSP: 0018:ffa00000005f7190 EFLAGS: 00010286
[   61.563514][  T504] RAX: 00000000ffffffa6 RBX: ff11000011e1f540 RCX: 1ff40000000bedf8
[   61.563774][  T504] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011e1f5f0
[   61.564014][  T504] RBP: ff11000008311000 R08: 1fe22000023c3ebf R09: ff11000013872e58
[   61.564333][  T504] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.564562][  T504] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.564796][  T504] FS:  00007f30afbcb840(0000) GS:ff110000a8685000(0000) knlGS:0000000000000000
[   61.565155][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.565360][  T504] CR2: 0000000040251988 CR3: 0000000012dff003 CR4: 0000000000771ef0
[   61.565591][  T504] PKRU: 55555554
[   61.565811][  T504] Call Trace:
[   61.565962][  T504]  <TASK>
[   61.566076][  T504]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.566289][  T504]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.566565][  T504]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.566737][  T504]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.566918][  T504]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.567120][  T504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.567378][  T504]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   61.567550][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.567718][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.567901][  T504]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.568150][  T504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.568325][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.568513][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.568681][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.568944][  T504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   61.569115][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.569291][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.569462][  T504]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   61.569713][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.569894][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.570065][  T504]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.570234][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.570493][  T504]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   61.570667][  T504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   61.570841][  T504]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.571022][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.571270][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.571455][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.571625][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   61.571797][  T504]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   61.572060][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.572231][  T504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.572414][  T504]  ? 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))
[   61.572586][  T504]  ? 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))
[   61.572835][  T504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.573021][  T504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.573191][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   61.573373][  T504]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   61.573626][  T504]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   61.573798][  T504]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   61.573984][  T504]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   61.574154][  T504]  ? copy_msghdr_from_user (net/socket.c:2635)
[   61.574409][  T504]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   61.574607][  T504]  ? move_addr_to_kernel (net/socket.c:258)
[   61.574783][  T504]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.574968][  T504]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   61.575218][  T504]  ___sys_sendmsg (net/socket.c:2752)
[   61.575399][  T504]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   61.575602][  T504]  ? copy_msghdr_from_user (net/socket.c:2603)
[   61.575784][  T504]  __sys_sendmsg (net/socket.c:2784)
[   61.576046][  T504]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   61.576217][  T504]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   61.576438][  T504]  ? 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)
[   61.576686][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.576870][  T504]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.577041][  T504]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.577211][  T504]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.577467][  T504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.577665][  T504] RIP: 0033:0x7f30afe0508e
[   61.577844][  T504] 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
[   61.578426][  T504] RSP: 002b:00007fff75f98920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.578658][  T504] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f30afe0508e
[   61.578982][  T504] RDX: 0000000000000000 RSI: 00007fff75f989d0 RDI: 0000000000000005
[   61.579211][  T504] RBP: 00007fff75f98930 R08: 0000000000000000 R09: 0000000000000000
[   61.579446][  T504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e987
[   61.579756][  T504] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff75f990a0
| [   68.308650][  T564] ------------[ cut here ]------------
| [   68.308836][  T564] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/564
| [   68.309084][  T564] Modules linked in: netdevsim
| [   68.309495][  T564] Tainted: [W]=WARN
[   68.309599][  T564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.309764][  T564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.309941][  T564] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.310412][  T564] RSP: 0018:ffa00000015d7010 EFLAGS: 00010286
[   68.310579][  T564] RAX: 00000000ffffffa6 RBX: ff11000008eca7c0 RCX: 1ff40000002badc8
[   68.310774][  T564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008eca870
[   68.310975][  T564] RBP: ff11000008aec000 R08: 1fe22000011d950f R09: ff11000013822e80
[   68.311170][  T564] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   68.311370][  T564] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000015d7100
[   68.311568][  T564] FS:  00007f750799a840(0000) GS:ff110000a8705000(0000) knlGS:0000000000000000
[   68.311801][  T564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.311971][  T564] CR2: 000000002ea16988 CR3: 0000000012c79002 CR4: 0000000000771ef0
[   68.312167][  T564] PKRU: 55555554
[   68.312267][  T564] Call Trace:
[   68.312372][  T564]  <TASK>
[   68.312440][  T564]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.312574][  T564]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.312674][  T564]  netif_close_many (net/core/dev.c:1804)
[   68.312805][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.312942][  T564]  ? __dev_close_many (net/core/dev.c:1781)
[   68.313075][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.313208][  T564]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.313372][  T564]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.313516][  T564]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   68.313683][  T564]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.313815][  T564]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.313982][  T564]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.314113][  T564]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.314244][  T564]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.314414][  T564]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.314544][  T564]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.314678][  T564]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   68.314808][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.314941][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.315071][  T564]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.315202][  T564]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.315336][  T564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.315484][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.315616][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.315746][  T564]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.315881][  T564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.316010][  T564]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.316139][  T564]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   68.316273][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.316406][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.316537][  T564]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.316668][  T564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.316799][  T564]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.316948][  T564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.317079][  T564]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.317210][  T564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.317343][  T564]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.317475][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.317607][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.317738][  T564]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.317871][  T564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.318017][  T564]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.318150][  T564]  ? 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))
[   68.318281][  T564]  ? 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))
[   68.318416][  T564]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.318549][  T564]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.318681][  T564]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.318812][  T564]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.318948][  T564]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.319078][  T564]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.319211][  T564]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.319348][  T564]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.319477][  T564]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.319638][  T564]  ? move_addr_to_kernel (net/socket.c:258)
[   68.319769][  T564]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.319904][  T564]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.320036][  T564]  ___sys_sendmsg (net/socket.c:2752)
[   68.320166][  T564]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.320332][  T564]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.320475][  T564]  __sys_sendmsg (net/socket.c:2784)
[   68.320608][  T564]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.320738][  T564]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.320906][  T564]  ? 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)
[   68.321036][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.321168][  T564]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.321298][  T564]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.321434][  T564]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.321566][  T564]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.321730][  T564] RIP: 0033:0x7f7507bd408e
[   68.321872][  T564] 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
[   68.322339][  T564] RSP: 002b:00007fff9c62e1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.322538][  T564] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7507bd408e
[   68.322732][  T564] RDX: 0000000000000000 RSI: 00007fff9c62e290 RDI: 0000000000000005
[   68.322936][  T564] RBP: 00007fff9c62e1f0 R08: 0000000000000000 R09: 0000000000000000
[   68.323131][  T564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e98e
[   68.323331][  T564] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9c62e960
| [   68.326340][  T564] ------------[ cut here ]------------
| [   68.326471][  T564] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/564
| [   68.326703][  T564] Modules linked in: netdevsim
| [   68.327111][  T564] Tainted: [W]=WARN
[   68.327207][  T564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.327370][  T564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.327533][  T564] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.327973][  T564] RSP: 0018:ffa00000015d7190 EFLAGS: 00010286
[   68.328128][  T564] RAX: 00000000ffffffa6 RBX: ff11000005047b40 RCX: 1ff40000002badf8
[   68.328317][  T564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005047bf0
[   68.328500][  T564] RBP: ff11000008aec000 R08: 1fe2200000a08f7f R09: ff11000013822e58
[   68.328683][  T564] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   68.328870][  T564] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.329054][  T564] FS:  00007f750799a840(0000) GS:ff110000a8705000(0000) knlGS:0000000000000000
[   68.329268][  T564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.329429][  T564] CR2: 000000002ea16988 CR3: 0000000012c79002 CR4: 0000000000771ef0
[   68.329612][  T564] PKRU: 55555554
[   68.329703][  T564] Call Trace:
[   68.329803][  T564]  <TASK>
[   68.329871][  T564]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.330029][  T564]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.330180][  T564]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.330388][  T564]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.330519][  T564]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.330673][  T564]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.330797][  T564]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   68.330927][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.331050][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.331173][  T564]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.331294][  T564]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.331500][  T564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.331641][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.331765][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.331893][  T564]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.332099][  T564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.332229][  T564]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.332358][  T564]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   68.332482][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.332682][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.332805][  T564]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.332931][  T564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.333061][  T564]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   68.333269][  T564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.333397][  T564]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.333519][  T564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.333641][  T564]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.333847][  T564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.333980][  T564]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.334104][  T564]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.334226][  T564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.334435][  T564]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.334561][  T564]  ? 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))
[   68.334683][  T564]  ? 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))
[   68.334808][  T564]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.334994][  T564]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.335117][  T564]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.335241][  T564]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.335369][  T564]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.335492][  T564]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.335617][  T564]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.335820][  T564]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.336064][  T564]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.336217][  T564]  ? move_addr_to_kernel (net/socket.c:258)
[   68.336343][  T564]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.336466][  T564]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.336625][  T564]  ___sys_sendmsg (net/socket.c:2752)
[   68.336747][  T564]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.337082][  T564]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.337219][  T564]  __sys_sendmsg (net/socket.c:2784)
[   68.337348][  T564]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.337474][  T564]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.337636][  T564]  ? 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)
[   68.337759][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.338022][  T564]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.338191][  T564]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.338318][  T564]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.338446][  T564]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.338600][  T564] RIP: 0033:0x7f7507bd408e
[   68.338728][  T564] 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
[   68.339339][  T564] RSP: 002b:00007fff9c62e1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.339526][  T564] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7507bd408e
[   68.339707][  T564] RDX: 0000000000000000 RSI: 00007fff9c62e290 RDI: 0000000000000005
[   68.339962][  T564] RBP: 00007fff9c62e1f0 R08: 0000000000000000 R09: 0000000000000000
[   68.340145][  T564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e98e
[   68.340417][  T564] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9c62e960
| [   68.383583][   T12] ------------[ cut here ]------------
| [   68.383790][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   68.384115][   T12] Modules linked in: netdevsim
| [   68.384624][   T12] Tainted: [W]=WARN
[   68.384730][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.384914][   T12] Workqueue: netns cleanup_net
[   68.385075][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.385256][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.385753][   T12] RSP: 0018:ffa00000000c7610 EFLAGS: 00010286
[   68.385980][   T12] RAX: 00000000ffffffa6 RBX: ff11000005046ac0 RCX: 1ff4000000018e88
[   68.386188][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005046b70
[   68.386395][   T12] RBP: ff1100001730a000 R08: 1fe2200000a08d6f R09: ff11000001b05220
[   68.386600][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   68.386864][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.387071][   T12] FS:  0000000000000000(0000) GS:ff110000a8705000(0000) knlGS:0000000000000000
[   68.387322][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.387496][   T12] CR2: 000000002ea16988 CR3: 000000000e739004 CR4: 0000000000771ef0
[   68.387727][   T12] PKRU: 55555554
[   68.387833][   T12] Call Trace:
[   68.387939][   T12]  <TASK>
[   68.388011][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.388189][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.388373][   T12]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   68.388515][   T12]  ? netdev_run_todo (net/core/dev.c:11703)
[   68.388655][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.388796][   T12]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   68.388938][   T12]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   68.389076][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.389213][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.389400][   T12] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   68.389539][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.389679][   T12] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   68.389854][   T12] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   68.390077][   T12] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   68.390250][   T12]  devlink_reload (net/devlink/dev.c:462)
[   68.390394][   T12]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   68.390534][   T12]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   68.390688][   T12]  ? __devlinks_xa_find_get (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/devlink/core.c:364 (discriminator 2))
[   68.390830][   T12]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   68.390974][   T12]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   68.391115][   T12]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   68.391255][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   68.391395][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.391537][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.391676][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.391812][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.391958][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.392096][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.392238][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.392386][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.392522][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.392665][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.392808][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.392951][   T12]  kthread (kernel/kthread.c:436)
[   68.393056][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.393227][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.393367][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.393507][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.393681][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.393818][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.393962][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.437653][   T12] ------------[ cut here ]------------
| [   68.437844][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   68.438164][   T12] Modules linked in: netdevsim
| [   68.438634][   T12] Tainted: [W]=WARN
[   68.438742][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.438926][   T12] Workqueue: netns cleanup_net
[   68.439079][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.439262][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.439798][   T12] RSP: 0018:ffa00000000c7568 EFLAGS: 00010286
[   68.439980][   T12] RAX: 00000000ffffffa6 RBX: ff1100000552d540 RCX: 1ff4000000018e73
[   68.440190][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000552d5f0
[   68.440512][   T12] RBP: ff11000012eda000 R08: 1fe2200000aa5abf R09: ff11000001b05220
[   68.440720][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   68.441122][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012eda000
[   68.441432][   T12] FS:  0000000000000000(0000) GS:ff110000a8585000(0000) knlGS:0000000000000000
[   68.441680][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.441872][   T12] CR2: 00007f6c0a563574 CR3: 000000000e739002 CR4: 0000000000771ef0
[   68.442178][   T12] PKRU: 55555554
[   68.442283][   T12] Call Trace:
[   68.442393][   T12]  <TASK>
[   68.442561][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.442796][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.443058][   T12]  register_netdevice (net/core/dev.c:11488)
[   68.443259][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   68.443438][   T12]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   68.443585][   T12] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   68.443768][   T12] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   68.444063][   T12] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   68.444238][   T12]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   68.444384][   T12]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   68.444560][   T12]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   68.444700][   T12]  ? static_obj (kernel/locking/lockdep.c:858)
[   68.444807][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   68.445007][   T12]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   68.445186][   T12] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   68.445437][   T12]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   68.445618][   T12]  devlink_reload (net/devlink/dev.c:475)
[   68.445761][   T12]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   68.445967][   T12]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   68.446107][   T12]  ? __devlinks_xa_find_get (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/devlink/core.c:364 (discriminator 2))
[   68.446250][   T12]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   68.446394][   T12]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   68.446537][   T12]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   68.446678][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   68.446817][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.447030][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.447171][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.447316][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.447457][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.447596][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.447738][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.447938][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.448077][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.448223][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.448372][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.448513][   T12]  kthread (kernel/kthread.c:436)
[   68.448618][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.448791][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.448988][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.449131][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.449311][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.449451][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.449591][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.452832][   T12] ------------[ cut here ]------------
| [   68.453048][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   68.453281][   T12] Modules linked in: netdevsim
| [   68.453710][   T12] Tainted: [W]=WARN
[   68.453801][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.454002][   T12] Workqueue: netns cleanup_net
[   68.454164][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.454402][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.454822][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.454992][   T12] RAX: 00000000ffffffa6 RBX: ff1100000552de40 RCX: 1ff4000000018ed5
[   68.455168][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000552def0
[   68.455353][   T12] RBP: ff11000007c8c000 R08: 1fe2200000aa5bdf R09: ff11000001b051d0
[   68.455529][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   68.455703][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.455886][   T12] FS:  0000000000000000(0000) GS:ff110000a8585000(0000) knlGS:0000000000000000
[   68.456094][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.456243][   T12] CR2: 00007f6c0a563574 CR3: 000000000e739002 CR4: 0000000000771ef0
[   68.456474][   T12] PKRU: 55555554
[   68.456563][   T12] Call Trace:
[   68.456656][   T12]  <TASK>
[   68.456718][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.456877][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.457030][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.457151][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.457268][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   68.457390][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.457509][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.457627][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.457744][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.457870][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.457991][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   68.458108][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.458229][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.458350][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.458469][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.458590][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.458789][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.458914][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.459036][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.459153][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.459276][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.459404][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.459522][   T12]  kthread (kernel/kthread.c:436)
[   68.459685][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.459832][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.460028][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.460147][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.460300][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.460420][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.460537][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.470824][  T164] ------------[ cut here ]------------
| [   68.471136][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: fib_notificatio/164
| [   68.471484][  T164] Modules linked in: netdevsim
| [   68.472116][  T164] Tainted: [W]=WARN
[   68.472277][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.472518][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.472768][  T164] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.473358][  T164] RSP: 0018:ffa00000007f7728 EFLAGS: 00010286
[   68.473594][  T164] RAX: 00000000ffffffa6 RBX: ff1100000552cf40 RCX: 1ff40000000feeab
[   68.473877][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000552cff0
[   68.474145][  T164] RBP: ff11000012eda000 R08: 1fe2200000aa59ff R09: ff110000052caf48
[   68.474480][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.474747][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.475033][  T164] FS:  00007fa684f5eb80(0000) GS:ff110000a8685000(0000) knlGS:0000000000000000
[   68.475347][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.475694][  T164] CR2: 00005556528bd8e0 CR3: 0000000012f5d002 CR4: 0000000000771ef0
[   68.475977][  T164] PKRU: 55555554
[   68.476238][  T164] Call Trace:
[   68.476404][  T164]  <TASK>
[   68.476529][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.476883][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.477214][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   68.477420][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[   68.477616][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.477927][  T164]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.478126][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   68.478331][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.478529][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.478729][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   68.478942][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.479139][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   68.479407][  T164] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   68.479651][  T164] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   68.479967][  T164]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   68.480206][  T164]  bus_remove_device (drivers/base/bus.c:657)
[   68.480417][  T164]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   68.480614][  T164]  ? device_remove_file (drivers/base/core.c:3073)
[   68.480813][  T164]  device_del (drivers/base/core.c:3895)
[   68.480988][  T164]  ? __device_link_del (./include/linux/kobject.h:89)
[   68.481188][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   68.481392][  T164]  device_unregister (drivers/base/core.c:3936)
[   68.481591][  T164] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   68.481827][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[   68.482139][  T164]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   68.482381][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   68.482578][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   68.482774][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   68.483087][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[   68.483361][  T164]  new_sync_write (fs/read_write.c:595)
[   68.483561][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.483758][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[   68.484071][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.484269][  T164]  ? ksys_write (fs/read_write.c:740)
[   68.484476][  T164]  vfs_write (fs/read_write.c:688)
[   68.484639][  T164]  ksys_write (fs/read_write.c:740)
[   68.484801][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[   68.485416][  T164]  ? ksys_write (fs/read_write.c:730)
[   68.485579][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.485889][  T164]  ? irq_exit_rcu (kernel/softirq.c:754)
[   68.486085][  T164]  ? common_interrupt (arch/x86/kernel/irq.c:326 (discriminator 18))
[   68.486283][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.486523][  T164] RIP: 0033:0x7fa684fd008e
[   68.486725][  T164] 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
[   68.487318][  T164] RSP: 002b:00007fffbcd4f960 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   68.487591][  T164] RAX: ffffffffffffffda RBX: 00007fa685152580 RCX: 00007fa684fd008e
[   68.487978][  T164] RDX: 0000000000000005 RSI: 000055569040c320 RDI: 0000000000000001
[   68.488251][  T164] RBP: 00007fffbcd4f970 R08: 0000000000000000 R09: 0000000000000000
[   68.488529][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:netif_close_many_and_unlock:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create