======================================
| xx__-> [    8.759887][  T165] ------------[ cut here ]------------
| [    8.760305][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: peer.sh/165
| [    8.760782][  T165] Modules linked in: netdevsim
| [    8.761890][  T165] Tainted: [W]=WARN
[    8.762067][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.762351][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.762758][  T165] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.763459][  T165] RSP: 0018:ffa00000008774f8 EFLAGS: 00010286
[    8.763763][  T165] RAX: 00000000ffffffa6 RBX: ff1100000c80b540 RCX: 1ff400000010ee65
[    8.764073][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c80b5f0
[    8.764381][  T165] RBP: ff11000009472000 R08: 1fe22000019016bf R09: ff110000024f5248
[    8.764687][  T165] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.764992][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009472000
[    8.765584][  T165] FS:  00007f46faa5fb80(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[    8.766099][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.766376][  T165] CR2: 000055a4529a5298 CR3: 000000000ca27006 CR4: 0000000000771ef0
[    8.766794][  T165] PKRU: 55555554
[    8.766972][  T165] Call Trace:
[    8.767142][  T165]  <TASK>
[    8.767277][  T165]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.767638][  T165]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.767812][  T165]  register_netdevice (net/core/dev.c:11488)
[    8.768035][  T165]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.768418][  T165]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.768648][  T165] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.768928][  T165] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.769142][  T165] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.769407][  T165]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.769632][  T165]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.770008][  T165]  ? 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))
[    8.770349][  T165]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.770531][  T165]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.770891][  T165]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.771147][  T165] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.771380][  T165]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    8.771603][  T165]  call_driver_probe (drivers/base/dd.c:629)
[    8.771940][  T165]  really_probe (drivers/base/dd.c:709)
[    8.772274][  T165]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.772502][  T165]  __driver_probe_device (drivers/base/dd.c:871)
[    8.772713][  T165]  driver_probe_device (drivers/base/dd.c:901)
[    8.772930][  T165]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.773266][  T165]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.773493][  T165]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.773718][  T165]  __device_attach (drivers/base/dd.c:1101)
[    8.773939][  T165]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.774148][  T165]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.774401][  T165]  ? 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)
[    8.774627][  T165]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.774853][  T165]  device_initial_probe (drivers/base/dd.c:1156)
[    8.775192][  T165]  bus_probe_device (drivers/base/bus.c:613)
[    8.775406][  T165]  device_add (drivers/base/core.c:3706)
[    8.775633][  T165]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.775890][  T165]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.776103][  T165]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.776315][  T165] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.776711][  T165]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.776929][  T165]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.777178][  T165]  ? 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))
[    8.777393][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.777613][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.777826][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.778160][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.778331][  T165]  new_sync_write (fs/read_write.c:595)
[    8.778571][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.778804][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.779032][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.779244][  T165]  ? ksys_write (fs/read_write.c:740)
[    8.779586][  T165]  vfs_write (fs/read_write.c:688)
[    8.779761][  T165]  ksys_write (fs/read_write.c:740)
[    8.779943][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.780163][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.780391][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.780616][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.780949][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.781159][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.781369][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.781629][  T165] RIP: 0033:0x7f46faad108e
[    8.781846][  T165] 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
[    8.782614][  T165] RSP: 002b:00007ffd1c308e50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.782933][  T165] RAX: ffffffffffffffda RBX: 00007f46fac53580 RCX: 00007f46faad108e
[    8.783222][  T165] RDX: 0000000000000004 RSI: 000055a4529a4290 RDI: 0000000000000001
[    8.783547][  T165] RBP: 00007ffd1c308e60 R08: 0000000000000000 R09: 0000000000000000
[    8.783838][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    8.784257][  T165] R13: 0000000000000004 R14: 000055a4529a4290 R15: 0000000000000000
| [    8.810098][  T165] ------------[ cut here ]------------
| [    8.810383][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: peer.sh/165
| [    8.810786][  T165] Modules linked in: netdevsim
| [    8.811352][  T165] Tainted: [W]=WARN
[    8.811485][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.811688][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.811903][  T165] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    8.812495][  T165] RSP: 0018:ffa00000008774f8 EFLAGS: 00010286
[    8.812699][  T165] RAX: 00000000ffffffa6 RBX: ff110000094ae340 RCX: 1ff400000010ee65
[    8.812947][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094ae3f0
[    8.813207][  T165] RBP: ff1100000bf7a000 R08: 1fe2200001295c7f R09: ff110000024f5248
[    8.813448][  T165] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.813691][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bf7a000
[    8.813941][  T165] FS:  00007f46faa5fb80(0000) GS:ff11000089205000(0000) knlGS:0000000000000000
[    8.814225][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.814426][  T165] CR2: 00007f46fac70f98 CR3: 000000000ca27001 CR4: 0000000000771ef0
[    8.814673][  T165] PKRU: 55555554
[    8.814800][  T165] Call Trace:
[    8.814927][  T165]  <TASK>
[    8.815010][  T165]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.815172][  T165]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.815294][  T165]  register_netdevice (net/core/dev.c:11488)
[    8.815461][  T165]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.815665][  T165]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.815831][  T165] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.816043][  T165] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.816284][  T165] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.816513][  T165]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.816701][  T165]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.816912][  T165]  ? 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))
[    8.817070][  T165]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.817190][  T165]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.817352][  T165]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.817559][  T165] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.817723][  T165]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    8.817885][  T165]  call_driver_probe (drivers/base/dd.c:629)
[    8.818043][  T165]  really_probe (drivers/base/dd.c:709)
[    8.818200][  T165]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.818355][  T165]  __driver_probe_device (drivers/base/dd.c:871)
[    8.818522][  T165]  driver_probe_device (drivers/base/dd.c:901)
[    8.818679][  T165]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.818836][  T165]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.819001][  T165]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.819161][  T165]  __device_attach (drivers/base/dd.c:1101)
[    8.819318][  T165]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.819480][  T165]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.819678][  T165]  ? 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)
[    8.819855][  T165]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.820018][  T165]  device_initial_probe (drivers/base/dd.c:1156)
[    8.820175][  T165]  bus_probe_device (drivers/base/bus.c:613)
[    8.820333][  T165]  device_add (drivers/base/core.c:3706)
[    8.820500][  T165]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.820707][  T165]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.820883][  T165]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.821045][  T165] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.821242][  T165]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.821400][  T165]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.821604][  T165]  ? 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))
[    8.821763][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.821930][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.822102][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.822260][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.822380][  T165]  new_sync_write (fs/read_write.c:595)
[    8.822546][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.822705][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.822866][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.823032][  T165]  ? ksys_write (fs/read_write.c:740)
[    8.823194][  T165]  vfs_write (fs/read_write.c:688)
[    8.823316][  T165]  ksys_write (fs/read_write.c:740)
[    8.823436][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.823599][  T165]  ? 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)
[    8.823759][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.823924][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.824082][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.824244][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.824402][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.824607][  T165] RIP: 0033:0x7f46faad108e
[    8.824772][  T165] 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
[    8.825373][  T165] RSP: 002b:00007ffd1c308e50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.825624][  T165] RAX: ffffffffffffffda RBX: 00007f46fac53580 RCX: 00007f46faad108e
[    8.825864][  T165] RDX: 0000000000000004 RSI: 000055a4529a4290 RDI: 0000000000000001
[    8.826117][  T165] RBP: 00007ffd1c308e60 R08: 0000000000000000 R09: 0000000000000000
[    8.826356][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    8.826598][  T165] R13: 0000000000000004 R14: 000055a4529a4290 R15: 0000000000000000
| [    8.976342][  T179] ------------[ cut here ]------------
| [    8.976631][  T179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/179
| [    8.976920][  T179] Modules linked in: netdevsim
| [    8.977512][  T179] Tainted: [W]=WARN
[    8.977658][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.977926][  T179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.978149][  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
[    8.978672][  T179] RSP: 0018:ffa0000000887aa8 EFLAGS: 00010286
[    8.978892][  T179] RAX: 00000000ffffffa6 RBX: ff1100000c8de040 RCX: 1ff4000000110f1b
[    8.979136][  T179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c8de0f0
[    8.979384][  T179] RBP: ff11000008bf1000 R08: 1fe220000191bc1f R09: ff1100000cc62e80
[    8.979642][  T179] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.979895][  T179] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bf1000
[    8.980140][  T179] FS:  00007f70d5e6a840(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[    8.980416][  T179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.980642][  T179] CR2: 0000000000479648 CR3: 000000000c408004 CR4: 0000000000771ef0
[    8.980890][  T179] PKRU: 55555554
[    8.981036][  T179] Call Trace:
[    8.981181][  T179]  <TASK>
[    8.981295][  T179]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[    8.981472][  T179]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.981715][  T179]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.981901][  T179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.982078][  T179]  register_netdevice (net/core/dev.c:11488)
[    8.982261][  T179]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.982495][  T179]  register_netdev (net/core/dev.c:11552)
[    8.982673][  T179]  loopback_net_init (drivers/net/loopback.c:218)
[    8.982850][  T179]  ops_init (net/core/net_namespace.c:137)
[    8.983005][  T179]  setup_net (net/core/net_namespace.c:446)
[    8.983150][  T179]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.983323][  T179]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.983534][  T179]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.983716][  T179]  copy_net_ns (net/core/net_namespace.c:579)
[    8.983901][  T179]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.984080][  T179]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.984256][  T179]  ksys_unshare (kernel/fork.c:3243)
[    8.984435][  T179]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.984626][  T179]  ? __ia32_sys_open (fs/open.c:1374)
[    8.984807][  T179]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.984990][  T179]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.985170][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.985347][  T179]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.985536][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.985717][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.985931][  T179] RIP: 0033:0x7f70d612cbcb
[    8.986113][  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
[    8.986644][  T179] RSP: 002b:00007ffee3f7f0e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.986896][  T179] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f70d612cbcb
[    8.987139][  T179] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.987383][  T179] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.987638][  T179] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee3f81310
[    8.987891][  T179] R13: 0000000000000001 R14: 00007f70d5e6a6f8 R15: 00007ffee3f82831
| [    9.018466][  T180] ------------[ cut here ]------------
| [    9.018660][  T180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/180
| [    9.018895][  T180] Modules linked in: netdevsim
| [    9.019296][  T180] Tainted: [W]=WARN
[    9.019394][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.019565][  T180] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.019735][  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
[    9.020226][  T180] RSP: 0018:ffa0000000887aa8 EFLAGS: 00010286
[    9.020392][  T180] RAX: 00000000ffffffa6 RBX: ff1100000c8df240 RCX: 1ff4000000110f1b
[    9.020594][  T180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c8df2f0
[    9.020800][  T180] RBP: ff1100000ce11000 R08: 1fe220000191be5f R09: ff1100000c73ae80
[    9.020995][  T180] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.021188][  T180] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce11000
[    9.021394][  T180] FS:  00007f17ffaa6840(0000) GS:ff11000089185000(0000) knlGS:0000000000000000
[    9.021697][  T180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.021863][  T180] CR2: 00007f17ffe1f493 CR3: 000000000ca6d005 CR4: 0000000000771ef0
[    9.022064][  T180] PKRU: 55555554
[    9.022162][  T180] Call Trace:
[    9.022260][  T180]  <TASK>
[    9.022330][  T180]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[    9.022533][  T180]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.022664][  T180]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.022795][  T180]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.022953][  T180]  register_netdevice (net/core/dev.c:11488)
[    9.023085][  T180]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.023249][  T180]  register_netdev (net/core/dev.c:11552)
[    9.023380][  T180]  loopback_net_init (drivers/net/loopback.c:218)
[    9.023518][  T180]  ops_init (net/core/net_namespace.c:137)
[    9.023618][  T180]  setup_net (net/core/net_namespace.c:446)
[    9.023736][  T180]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.023866][  T180]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.024009][  T180]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.024143][  T180]  copy_net_ns (net/core/net_namespace.c:579)
[    9.024276][  T180]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.024409][  T180]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.024545][  T180]  ksys_unshare (kernel/fork.c:3243)
[    9.024678][  T180]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.024810][  T180]  ? __ia32_sys_open (fs/open.c:1374)
[    9.025003][  T180]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.025136][  T180]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.025267][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.025399][  T180]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.025536][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.025669][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.025831][  T180] RIP: 0033:0x7f17ffd68bcb
[    9.025978][  T180] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.026442][  T180] RSP: 002b:00007ffc229c8048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.026666][  T180] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f17ffd68bcb
[    9.026866][  T180] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.027073][  T180] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.027271][  T180] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc229ca270
[    9.027473][  T180] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc229ca831
| [    9.133992][  T185] ------------[ cut here ]------------
| [    9.134171][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.134395][  T185] Modules linked in: netdevsim
| [    9.134798][  T185] Tainted: [W]=WARN
[    9.134902][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.135062][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.135228][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.135686][  T185] RSP: 0018:ffa0000000686ff8 EFLAGS: 00010286
[    9.135848][  T185] RAX: 00000000ffffffa6 RBX: ff1100000c806040 RCX: 1ff40000000d0dc5
[    9.136049][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c8060f0
[    9.136240][  T185] RBP: ff11000009472000 R08: 1fe2200001900c1f R09: ff1100000cdfd158
[    9.136430][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.136626][  T185] R13: 0000000000000000 R14: ffa0000000687140 R15: ff110000096926d0
[    9.136817][  T185] FS:  00007f40898f0840(0000) GS:ff11000089185000(0000) knlGS:0000000000000000
[    9.137046][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.137209][  T185] CR2: 00007f4089bc01a0 CR3: 000000000cf2a006 CR4: 0000000000771ef0
[    9.137399][  T185] PKRU: 55555554
[    9.137501][  T185] Call Trace:
[    9.137597][  T185]  <TASK>
[    9.137663][  T185]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    9.137792][  T185]  __dev_change_net_namespace (net/core/dev.c:12635)
[    9.137955][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.138084][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.138215][  T185]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.138372][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.138513][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.138641][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.138770][  T185]  ? 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))
[    9.139005][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.139133][  T185]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.139262][  T185]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.139393][  T185]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.139528][  T185]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.139687][  T185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.139815][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.139949][  T185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.140076][  T185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.140204][  T185]  ? __kernel_text_address (kernel/extable.c:79)
[    9.140333][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.140462][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.140595][  T185]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.140724][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.140853][  T185]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.140982][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.141108][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.141234][  T185]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.141361][  T185]  ? __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)
[    9.141490][  T185]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.141618][  T185]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.141746][  T185]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.141875][  T185]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.142009][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.142139][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.142268][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.142394][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.142525][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.142652][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.142778][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.142915][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.143043][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.143169][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.143296][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.143425][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.143555][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.143683][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.143812][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.143943][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.144072][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.144197][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.144325][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.144453][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.144585][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.144714][  T185]  ? 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))
[    9.144843][  T185]  ? 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))
[    9.144975][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.145102][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.145228][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.145356][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.145488][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.145615][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.145746][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.145874][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.146003][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.146159][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.146287][  T185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.146413][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.146548][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.146677][  T185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.146834][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.146977][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.147103][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.147229][  T185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.147390][  T185]  ? 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)
[    9.147521][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.147649][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.147774][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.148265][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.148392][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.148563][  T185] RIP: 0033:0x7f4089b2a08e
[    9.148696][  T185] 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
[    9.149148][  T185] RSP: 002b:00007ffd8cdd3a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.149338][  T185] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4089b2a08e
[    9.149532][  T185] RDX: 0000000000000000 RSI: 00007ffd8cdd3ab0 RDI: 0000000000000005
[    9.149719][  T185] RBP: 00007ffd8cdd3a10 R08: 0000000000000000 R09: 0000000000000000
[    9.149912][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e055
[    9.150100][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8cdd4170
| [    9.152804][  T185] ------------[ cut here ]------------
| [    9.152942][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/185
| [    9.153162][  T185] Modules linked in: netdevsim
| [    9.153614][  T185] Tainted: [W]=WARN
[    9.153712][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.153872][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.154044][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.154556][  T185] RSP: 0018:ffa0000000686fc0 EFLAGS: 00010286
[    9.154718][  T185] RAX: 00000000ffffffa6 RBX: ff1100000c806c40 RCX: 1ff40000000d0dbe
[    9.154914][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c806cf0
[    9.155105][  T185] RBP: ff11000009472000 R08: 1fe2200001900d9f R09: ff1100000cdfd158
[    9.155295][  T185] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.155536][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa7359ab0
[    9.155778][  T185] FS:  00007f40898f0840(0000) GS:ff11000089185000(0000) knlGS:0000000000000000
[    9.156008][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.156168][  T185] CR2: 00007f4089bc01a0 CR3: 000000000cf2a006 CR4: 0000000000771ef0
[    9.156359][  T185] PKRU: 55555554
[    9.156455][  T185] Call Trace:
[    9.156600][  T185]  <TASK>
[    9.156667][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.156797][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.156900][  T185]  __dev_change_net_namespace (net/core/dev.c:12695)
[    9.157064][  T185]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.157224][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.157354][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.157520][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.157648][  T185]  ? 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))
[    9.157776][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.157909][  T185]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.158039][  T185]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.158168][  T185]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.158297][  T185]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.158456][  T185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.158591][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.158719][  T185]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.158847][  T185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.158980][  T185]  ? __kernel_text_address (kernel/extable.c:79)
[    9.159110][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.159239][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.159366][  T185]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.159499][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.159626][  T185]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.159755][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.159887][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.160015][  T185]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.160143][  T185]  ? __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)
[    9.160270][  T185]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.160398][  T185]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.160533][  T185]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.160660][  T185]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.160791][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.160926][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.161056][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.161186][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.161313][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.161440][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.161574][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.161704][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.161832][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.161966][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.162095][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.162225][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.162353][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.162488][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.162617][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.162743][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.162871][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.163005][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.163135][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.163265][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.163393][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.163529][  T185]  ? 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))
[    9.163657][  T185]  ? 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))
[    9.163787][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.163918][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.164047][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.164177][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.164305][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.164432][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.164566][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.164692][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.164819][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.164980][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[    9.165110][  T185]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.165237][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.165366][  T185]  ___sys_sendmsg (net/socket.c:2752)
[    9.165499][  T185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.165658][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.165797][  T185]  __sys_sendmsg (net/socket.c:2784)
[    9.165929][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.166056][  T185]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.166217][  T185]  ? 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)
[    9.166344][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.166473][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.166607][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.166734][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.166862][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.167028][  T185] RIP: 0033:0x7f4089b2a08e
[    9.167161][  T185] 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
[    9.167615][  T185] RSP: 002b:00007ffd8cdd3a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.167806][  T185] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4089b2a08e
[    9.168000][  T185] RDX: 0000000000000000 RSI: 00007ffd8cdd3ab0 RDI: 0000000000000005
[    9.168189][  T185] RBP: 00007ffd8cdd3a10 R08: 0000000000000000 R09: 0000000000000000
[    9.168377][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e055
[    9.168571][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8cdd4170
| [    9.208577][  T186] ------------[ cut here ]------------
| [    9.208740][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.208959][  T186] Modules linked in: netdevsim
| [    9.209340][  T186] Tainted: [W]=WARN
[    9.209436][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.209637][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.209800][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.210260][  T186] RSP: 0018:ffa00000006a6ff8 EFLAGS: 00010286
[    9.210415][  T186] RAX: 00000000ffffffa6 RBX: ff1100000c807e40 RCX: 1ff40000000d4dc5
[    9.210606][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c807ef0
[    9.210791][  T186] RBP: ff1100000bf7a000 R08: 1fe2200001900fdf R09: ff1100000cdfae58
[    9.210980][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.211170][  T186] R13: 0000000000000000 R14: ffa00000006a7140 R15: ff11000004a75fd0
[    9.211353][  T186] FS:  00007f837f5d2840(0000) GS:ff11000089185000(0000) knlGS:0000000000000000
[    9.211589][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.211741][  T186] CR2: 00007f837f8a21a0 CR3: 000000000cd61002 CR4: 0000000000771ef0
[    9.211931][  T186] PKRU: 55555554
[    9.212023][  T186] Call Trace:
[    9.212113][  T186]  <TASK>
[    9.212177][  T186]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    9.212303][  T186]  __dev_change_net_namespace (net/core/dev.c:12635)
[    9.212469][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.212692][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.212826][  T186]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.212986][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.213108][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.213231][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.213353][  T186]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.213488][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.213611][  T186]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.213736][  T186]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.213860][  T186]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.213988][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.214140][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.214261][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.214386][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.214514][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.214636][  T186]  ? __kernel_text_address (kernel/extable.c:79)
[    9.214761][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.214890][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.215011][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.215151][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.215277][  T186]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.215400][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.215528][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.215650][  T186]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.215793][  T186]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.215925][  T186]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.216048][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.216172][  T186]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.216293][  T186]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.216430][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.216564][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.216688][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.216809][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.216949][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.217070][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.217221][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.217346][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.217483][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.217624][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.217747][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.217870][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.217996][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.218120][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.218244][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.218367][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.218501][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.218646][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.218770][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.218897][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.219022][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.219148][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.219274][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.219403][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.219534][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.219655][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.219779][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.219906][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.220030][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.220154][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.220291][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.220439][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.220599][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.220723][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.220845][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.220974][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.221096][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.221248][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.221382][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.221512][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.221633][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.221789][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.221916][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.222041][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.222164][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.222286][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.222409][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.222568][  T186] RIP: 0033:0x7f837f80c08e
[    9.222698][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.223164][  T186] RSP: 002b:00007fff529be6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.223348][  T186] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f837f80c08e
[    9.223535][  T186] RDX: 0000000000000000 RSI: 00007fff529be770 RDI: 0000000000000005
[    9.223722][  T186] RBP: 00007fff529be6d0 R08: 0000000000000000 R09: 0000000000000000
[    9.223915][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e055
[    9.224101][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff529bee30
| [    9.226742][  T186] ------------[ cut here ]------------
| [    9.226884][  T186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/186
| [    9.227119][  T186] Modules linked in: netdevsim
| [    9.227844][  T186] Tainted: [W]=WARN
[    9.227952][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.228134][  T186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.228306][  T186] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.228759][  T186] RSP: 0018:ffa00000006a6fc0 EFLAGS: 00010286
[    9.228922][  T186] RAX: 00000000ffffffa6 RBX: ff11000005d3aac0 RCX: 1ff40000000d4dbe
[    9.229106][  T186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005d3ab70
[    9.229297][  T186] RBP: ff1100000bf7a000 R08: 1fe2200000ba756f R09: ff1100000cdfae58
[    9.229487][  T186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.229672][  T186] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa7359ab0
[    9.229859][  T186] FS:  00007f837f5d2840(0000) GS:ff11000089185000(0000) knlGS:0000000000000000
[    9.230087][  T186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.230243][  T186] CR2: 00007f837f8a21a0 CR3: 000000000cd61002 CR4: 0000000000771ef0
[    9.230431][  T186] PKRU: 55555554
[    9.230528][  T186] Call Trace:
[    9.230620][  T186]  <TASK>
[    9.230684][  T186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.230811][  T186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.230912][  T186]  __dev_change_net_namespace (net/core/dev.c:12695)
[    9.231070][  T186]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.231223][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.231351][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.231486][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.231612][  T186]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.231763][  T186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.231892][  T186]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.232018][  T186]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.232143][  T186]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.232270][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.232423][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.232552][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.232676][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.232801][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.232930][  T186]  ? __kernel_text_address (kernel/extable.c:79)
[    9.233056][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.233182][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.233325][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.233450][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.233578][  T186]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.233703][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.233827][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.233959][  T186]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.234090][  T186]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.234219][  T186]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.234345][  T186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.234470][  T186]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.234601][  T186]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.234730][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.234858][  T186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.234989][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.235117][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.235243][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.235382][  T186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.235510][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.235637][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.235762][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.235892][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.236018][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.236144][  T186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.236270][  T186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.236394][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.236527][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.236657][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.236785][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.236938][  T186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.237067][  T186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.237195][  T186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.237324][  T186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.237451][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.237588][  T186]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.237715][  T186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.237841][  T186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.238014][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.238140][  T186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.238265][  T186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.238400][  T186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.238557][  T186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.238682][  T186]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.238805][  T186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.238967][  T186]  ? move_addr_to_kernel (net/socket.c:258)
[    9.239095][  T186]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.239219][  T186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.239346][  T186]  ___sys_sendmsg (net/socket.c:2752)
[    9.239472][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.239634][  T186]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.239793][  T186]  __sys_sendmsg (net/socket.c:2784)
[    9.239927][  T186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.240055][  T186]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.240211][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.240337][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.240467][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.240601][  T186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.240726][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.240852][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.241014][  T186] RIP: 0033:0x7f837f80c08e
[    9.241144][  T186] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.241601][  T186] RSP: 002b:00007fff529be6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.241790][  T186] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f837f80c08e
[    9.241984][  T186] RDX: 0000000000000000 RSI: 00007fff529be770 RDI: 0000000000000005
[    9.242171][  T186] RBP: 00007fff529be6d0 R08: 0000000000000000 R09: 0000000000000000
[    9.242361][  T186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e055
[    9.242551][  T186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff529bee30
| [    9.392384][  T189] ------------[ cut here ]------------
| [    9.392737][  T189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/189
| [    9.393094][  T189] Modules linked in: netdevsim
| [    9.393847][  T189] Tainted: [W]=WARN
[    9.394072][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.394358][  T189] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.394639][  T189] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.395176][  T189] RSP: 0018:ffa0000000687020 EFLAGS: 00010286
[    9.395417][  T189] RAX: 00000000ffffffa6 RBX: ff1100000d1a0940 RCX: 1ff40000000d0dca
[    9.395726][  T189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d1a09f0
[    9.395986][  T189] RBP: ff11000009472000 R08: 1fe2200001a3413f R09: ff1100000bfeae80
[    9.396227][  T189] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.396469][  T189] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.396726][  T189] FS:  00007fd31b932840(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[    9.397025][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.397238][  T189] CR2: 00007fd31bc021a0 CR3: 000000000fd9e002 CR4: 0000000000771ef0
[    9.397500][  T189] PKRU: 55555554
[    9.397647][  T189] Call Trace:
[    9.397792][  T189]  <TASK>
[    9.397916][  T189]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    9.398093][  T189]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.398273][  T189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.398421][  T189]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.398611][  T189]  __dev_notify_flags (net/core/dev.c:9787)
[    9.398794][  T189]  ? netif_change_name (net/core/dev.c:1495)
[    9.398982][  T189]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.399162][  T189]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.399339][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.399528][  T189]  ? 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))
[    9.399708][  T189]  netif_change_flags (net/core/dev.c:9820)
[    9.399894][  T189]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.400075][  T189]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.400253][  T189]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.400463][  T189]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.400657][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.400835][  T189]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.401019][  T189]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.401219][  T189]  ? __kernel_text_address (kernel/extable.c:79)
[    9.401409][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.401602][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.401780][  T189]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.401986][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.402173][  T189]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.402348][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.402541][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.402720][  T189]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.402908][  T189]  ? __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)
[    9.403109][  T189]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.403289][  T189]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.403467][  T189]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.403662][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.403842][  T189]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.404053][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.404232][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.404413][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.404601][  T189]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.404778][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.405009][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.405186][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.405363][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.405553][  T189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.405734][  T189]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.405938][  T189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.406117][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.406293][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.406470][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.406711][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.406897][  T189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.407076][  T189]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.407280][  T189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.407460][  T189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.407653][  T189]  ? 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))
[    9.407829][  T189]  ? 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))
[    9.408017][  T189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.408194][  T189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.408371][  T189]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.408564][  T189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.408749][  T189]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.408941][  T189]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.409125][  T189]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.409307][  T189]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.409496][  T189]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.409705][  T189]  ? move_addr_to_kernel (net/socket.c:258)
[    9.409891][  T189]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.410070][  T189]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.410249][  T189]  ___sys_sendmsg (net/socket.c:2752)
[    9.410424][  T189]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.410670][  T189]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.410860][  T189]  __sys_sendmsg (net/socket.c:2784)
[    9.411047][  T189]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.411222][  T189]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.411439][  T189]  ? 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)
[    9.411653][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.411833][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.412019][  T189]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.412197][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.412375][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.412719][  T189] RIP: 0033:0x7fd31bb6c08e
[    9.412927][  T189] 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
[    9.413431][  T189] RSP: 002b:00007ffdb8c6fc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.413688][  T189] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd31bb6c08e
[    9.413998][  T189] RDX: 0000000000000000 RSI: 00007ffdb8c6fd00 RDI: 0000000000000005
[    9.414240][  T189] RBP: 00007ffdb8c6fc60 R08: 0000000000000000 R09: 0000000000000000
[    9.414495][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e055
[    9.414747][  T189] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb8c703c0
| [    9.463638][  T190] ------------[ cut here ]------------
| [    9.463800][  T190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/190
| [    9.464039][  T190] Modules linked in: netdevsim
| [    9.464451][  T190] Tainted: [W]=WARN
[    9.464559][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.464729][  T190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.464906][  T190] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.465376][  T190] RSP: 0018:ffa0000000687020 EFLAGS: 00010286
[    9.465547][  T190] RAX: 00000000ffffffa6 RBX: ff1100000bfd4640 RCX: 1ff40000000d0dca
[    9.465749][  T190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bfd46f0
[    9.465953][  T190] RBP: ff1100000bf7a000 R08: 1fe22000017fa8df R09: ff1100000bfe8b80
[    9.466151][  T190] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.466357][  T190] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.466559][  T190] FS:  00007fc3753bd840(0000) GS:ff11000089185000(0000) knlGS:0000000000000000
[    9.466823][  T190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.467019][  T190] CR2: 0000000031bc0988 CR3: 000000000a8bd004 CR4: 0000000000771ef0
[    9.467216][  T190] PKRU: 55555554
[    9.467314][  T190] Call Trace:
[    9.467413][  T190]  <TASK>
[    9.467486][  T190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.467620][  T190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.467721][  T190]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.467852][  T190]  __dev_notify_flags (net/core/dev.c:9787)
[    9.467988][  T190]  ? netif_change_name (net/core/dev.c:1495)
[    9.468118][  T190]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.468249][  T190]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.468379][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.468518][  T190]  ? 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))
[    9.468668][  T190]  netif_change_flags (net/core/dev.c:9820)
[    9.468811][  T190]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.468952][  T190]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.469082][  T190]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.469244][  T190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.469376][  T190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.469577][  T190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.469709][  T190]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.469839][  T190]  ? __kernel_text_address (kernel/extable.c:79)
[    9.469976][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.470109][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.470251][  T190]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.470384][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.470602][  T190]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.470818][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.470955][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.471086][  T190]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.471217][  T190]  ? __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)
[    9.471347][  T190]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.471547][  T190]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.471682][  T190]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.471814][  T190]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.471954][  T190]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.472087][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472218][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.472353][  T190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.472593][  T190]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.472723][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.472856][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472993][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.473123][  T190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.473254][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.473386][  T190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.473592][  T190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.473728][  T190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.473863][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.474002][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.474141][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.474275][  T190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.474430][  T190]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.474645][  T190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.474774][  T190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.474911][  T190]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.475042][  T190]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.475175][  T190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.475305][  T190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.475434][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.475654][  T190]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.475809][  T190]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.475946][  T190]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.476077][  T190]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.476208][  T190]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.476338][  T190]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.476520][  T190]  ? move_addr_to_kernel (net/socket.c:258)
[    9.476661][  T190]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.476790][  T190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.476926][  T190]  ___sys_sendmsg (net/socket.c:2752)
[    9.477054][  T190]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.477216][  T190]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.477359][  T190]  __sys_sendmsg (net/socket.c:2784)
[    9.477492][  T190]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.477621][  T190]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.477783][  T190]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.477937][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.478068][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.478196][  T190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.478326][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.478457][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.478624][  T190] RIP: 0033:0x7fc3755f708e
[    9.478758][  T190] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.479225][  T190] RSP: 002b:00007ffee2db8660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.479421][  T190] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3755f708e
[    9.479618][  T190] RDX: 0000000000000000 RSI: 00007ffee2db8710 RDI: 0000000000000005
[    9.479811][  T190] RBP: 00007ffee2db8670 R08: 0000000000000000 R09: 0000000000000000
[    9.480015][  T190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e055
[    9.480215][  T190] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee2db8dd0
| [    9.635774][   T59] ------------[ cut here ]------------
| [    9.635970][   T59] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/59
| [    9.636214][   T59] Modules linked in: netdevsim
| [    9.636745][   T59] Tainted: [W]=WARN
[    9.636838][   T59] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.637030][   T59] Workqueue: events_unbound linkwatch_event
[    9.637194][   T59] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.637387][   T59] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.637822][   T59] RSP: 0018:ffa00000003ff9e0 EFLAGS: 00010286
[    9.637976][   T59] RAX: 00000000ffffffa6 RBX: ff1100000bfd56c0 RCX: 1ff400000007ff02
[    9.638154][   T59] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bfd5770
[    9.638337][   T59] RBP: ff11000009472000 R08: 1fe22000017faaef R09: ff110000054a2ed0
[    9.638519][   T59] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    9.638696][   T59] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.638889][   T59] FS:  0000000000000000(0000) GS:ff11000089205000(0000) knlGS:0000000000000000
[    9.639102][   T59] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.639252][   T59] CR2: 000055a415003ff0 CR3: 000000000ca27002 CR4: 0000000000771ef0
[    9.639431][   T59] PKRU: 55555554
[    9.639527][   T59] Call Trace:
[    9.639616][   T59]  <TASK>
[    9.639678][   T59]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    9.639800][   T59]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.639999][   T59]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.640123][   T59]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.640216][   T59]  netif_state_change (net/core/dev.c:1605)
[    9.640334][   T59]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[    9.640457][   T59]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.640663][   T59]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[    9.640782][   T59]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[    9.640986][   T59]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.641135][   T59]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.641258][   T59]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.641386][   T59]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[    9.641520][   T59]  process_one_work (kernel/workqueue.c:3314)
[    9.641649][   T59]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.641767][   T59]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.641896][   T59]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.642025][   T59]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.642144][   T59]  kthread (kernel/kthread.c:436)
[    9.642234][   T59]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.642384][   T59]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.642510][   T59]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.642632][   T59]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.642780][   T59]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.642910][   T59]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.643029][   T59]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.644524][   T59] ------------[ cut here ]------------
| [    9.644644][   T59] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/59
| [    9.644889][   T59] Modules linked in: netdevsim
| [    9.645300][   T59] Tainted: [W]=WARN
[    9.645391][   T59] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.645555][   T59] Workqueue: events_unbound linkwatch_event
[    9.645735][   T59] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.645894][   T59] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.646393][   T59] RSP: 0018:ffa00000003ff9e0 EFLAGS: 00010286
[    9.646616][   T59] RAX: 00000000ffffffa6 RBX: ff1100000bfd59c0 RCX: 1ff400000007ff02
[    9.646798][   T59] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bfd5a70
[    9.646990][   T59] RBP: ff1100000bf7a000 R08: 1fe22000017fab4f R09: ff110000054a2ed0
[    9.647167][   T59] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    9.647350][   T59] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.647534][   T59] FS:  0000000000000000(0000) GS:ff11000089205000(0000) knlGS:0000000000000000
[    9.647741][   T59] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.647894][   T59] CR2: 000055a415003ff0 CR3: 0000000035f39001 CR4: 0000000000771ef0
[    9.648073][   T59] PKRU: 55555554
[    9.648166][   T59] Call Trace:
[    9.648259][   T59]  <TASK>
[    9.648321][   T59]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    9.648443][   T59]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.648568][   T59]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.648687][   T59]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.648779][   T59]  netif_state_change (net/core/dev.c:1605)
[    9.648901][   T59]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[    9.649028][   T59]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.649177][   T59]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[    9.649296][   T59]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[    9.649415][   T59]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.649541][   T59]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.649662][   T59]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.649781][   T59]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[    9.649923][   T59]  process_one_work (kernel/workqueue.c:3314)
[    9.650058][   T59]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.650177][   T59]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.650302][   T59]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.650425][   T59]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.650547][   T59]  kthread (kernel/kthread.c:436)
[    9.650636][   T59]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.650784][   T59]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.650912][   T59]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.651033][   T59]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.651188][   T59]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.651310][   T59]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.651432][   T59]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.779714][  T201] ------------[ cut here ]------------
| [    9.779886][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [    9.780125][  T201] Modules linked in: netdevsim
| [    9.780636][  T201] Tainted: [W]=WARN
[    9.780755][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.780930][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.781102][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.781655][  T201] RSP: 0018:ffa0000000707020 EFLAGS: 00010286
[    9.781893][  T201] RAX: 00000000ffffffa6 RBX: ff1100000c80b9c0 RCX: 1ff40000000e0dca
[    9.782091][  T201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c80ba70
[    9.782291][  T201] RBP: ff11000009472000 R08: 1fe220000190174f R09: ff1100000ca5ae80
[    9.782571][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.782768][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.782973][  T201] FS:  00007f90b55d6840(0000) GS:ff11000089305000(0000) knlGS:0000000000000000
[    9.783203][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.783370][  T201] CR2: 000000000776a988 CR3: 000000000ca9c002 CR4: 0000000000771ef0
[    9.783656][  T201] PKRU: 55555554
[    9.783755][  T201] Call Trace:
[    9.783854][  T201]  <TASK>
[    9.783925][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.784061][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.784165][  T201]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.784297][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[    9.784433][  T201]  ? netif_change_name (net/core/dev.c:1495)
[    9.784630][  T201]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[    9.784761][  T201]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.784898][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.785031][  T201]  ? 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))
[    9.785166][  T201]  netif_change_flags (net/core/dev.c:9820)
[    9.785298][  T201]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.785433][  T201]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.785619][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.785784][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.785922][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.786053][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.786187][  T201]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.786322][  T201]  ? __kernel_text_address (kernel/extable.c:79)
[    9.786454][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.786640][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.786771][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.786907][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.787038][  T201]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.787169][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.787322][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.787454][  T201]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.787638][  T201]  ? __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)
[    9.787769][  T201]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.787906][  T201]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.788039][  T201]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.788173][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.788308][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.788441][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.788626][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.788757][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.788890][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.789022][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.789157][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.789289][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.789420][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.789604][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.789738][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.789869][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.790005][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.790137][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.790267][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.790428][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.790617][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.790751][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.790885][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.791017][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.791152][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.791283][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.791417][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.791603][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.791739][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.791876][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.792015][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.792151][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.792292][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.792428][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.792618][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.792786][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[    9.792928][  T201]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.793063][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.793199][  T201]  ___sys_sendmsg (net/socket.c:2752)
[    9.793335][  T201]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.793556][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.793701][  T201]  __sys_sendmsg (net/socket.c:2784)
[    9.793834][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.793970][  T201]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.794136][  T201]  ? 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)
[    9.794268][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.794402][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.794548][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.794680][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.794813][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.794982][  T201] RIP: 0033:0x7f90b581008e
[    9.795123][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.795597][  T201] RSP: 002b:00007fff438726c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.795798][  T201] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f90b581008e
[    9.796020][  T201] RDX: 0000000000000000 RSI: 00007fff43872770 RDI: 0000000000000005
[    9.796224][  T201] RBP: 00007fff438726d0 R08: 0000000000000000 R09: 0000000000000000
[    9.796429][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e056
[    9.796637][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff43872e30
| [    9.854205][  T202] ------------[ cut here ]------------
| [    9.854399][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/202
| [    9.854643][  T202] Modules linked in: netdevsim
| [    9.855068][  T202] Tainted: [W]=WARN
[    9.855168][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.855335][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.855516][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.855989][  T202] RSP: 0018:ffa0000000717020 EFLAGS: 00010286
[    9.856155][  T202] RAX: 00000000ffffffa6 RBX: ff1100000d0b3540 RCX: 1ff40000000e2dca
[    9.856349][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0b35f0
[    9.856551][  T202] RBP: ff11000009472000 R08: 1fe2200001a166bf R09: ff1100000ca58b80
[    9.856749][  T202] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.856949][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.857148][  T202] FS:  00007f6f4d1a2840(0000) GS:ff11000089305000(0000) knlGS:0000000000000000
[    9.857383][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.857554][  T202] CR2: 00007f6f4d4721a0 CR3: 000000000d2d2004 CR4: 0000000000771ef0
[    9.857752][  T202] PKRU: 55555554
[    9.857851][  T202] Call Trace:
[    9.857955][  T202]  <TASK>
[    9.858025][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.858160][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.858263][  T202]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.858397][  T202]  __dev_notify_flags (net/core/dev.c:9787)
[    9.858536][  T202]  ? netif_change_name (net/core/dev.c:1495)
[    9.858667][  T202]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.858798][  T202]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.858931][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.859063][  T202]  ? 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))
[    9.859199][  T202]  netif_change_flags (net/core/dev.c:9820)
[    9.859330][  T202]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.859465][  T202]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.859602][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.859767][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.859901][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.860034][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.860165][  T202]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.860296][  T202]  ? __kernel_text_address (kernel/extable.c:79)
[    9.860428][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.860566][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.860698][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.860830][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.860965][  T202]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.861096][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.861227][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.861358][  T202]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.861493][  T202]  ? __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)
[    9.861626][  T202]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.861758][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.861894][  T202]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.862029][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.862164][  T202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.862298][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.862428][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.862565][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.862697][  T202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.862829][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.862968][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.863100][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.863234][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.863364][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.863502][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.863634][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.863766][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.863899][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.864029][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.864162][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.864291][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.864446][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.864588][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.864720][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.864856][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.864990][  T202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.865125][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.865257][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.865399][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.865539][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.865672][  T202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.865805][  T202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.865944][  T202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.866076][  T202]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.866208][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.866370][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.866508][  T202]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.866638][  T202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.866772][  T202]  ___sys_sendmsg (net/socket.c:2752)
[    9.866923][  T202]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.867089][  T202]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.867257][  T202]  __sys_sendmsg (net/socket.c:2784)
[    9.867418][  T202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.867554][  T202]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.867723][  T202]  ? 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)
[    9.867858][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.868000][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.868136][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.868275][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.868411][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.868586][  T202] RIP: 0033:0x7f6f4d3dc08e
[    9.868729][  T202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.869207][  T202] RSP: 002b:00007ffdffb8ba20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.869406][  T202] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6f4d3dc08e
[    9.869607][  T202] RDX: 0000000000000000 RSI: 00007ffdffb8bad0 RDI: 0000000000000005
[    9.869801][  T202] RBP: 00007ffdffb8ba30 R08: 0000000000000000 R09: 0000000000000000
[    9.870002][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e056
[    9.870200][  T202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdffb8c190
| [    9.963021][   T92] ------------[ cut here ]------------
| [    9.963255][   T92] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/92
| [    9.963563][   T92] Modules linked in: netdevsim
| [    9.964071][   T92] Tainted: [W]=WARN
[    9.964209][   T92] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.964414][   T92] Workqueue: events_unbound linkwatch_event
[    9.964663][   T92] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.964886][   T92] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.965379][   T92] RSP: 0018:ffa00000005e79e0 EFLAGS: 00010286
[    9.965603][   T92] RAX: 00000000ffffffa6 RBX: ff1100000c81c640 RCX: 1ff40000000bcf02
[    9.965838][   T92] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c81c6f0
[    9.966080][   T92] RBP: ff11000009472000 R08: 1fe22000019038df R09: ff1100000cc60bd0
[    9.966316][   T92] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[    9.966572][   T92] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.966812][   T92] FS:  0000000000000000(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[    9.967082][   T92] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.967286][   T92] CR2: 00007ffd1c306d78 CR3: 000000000ca27002 CR4: 0000000000771ef0
[    9.967535][   T92] PKRU: 55555554
[    9.967676][   T92] Call Trace:
[    9.967818][   T92]  <TASK>
[    9.968011][   T92]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    9.968188][   T92]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.968361][   T92]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.968550][   T92]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.968714][   T92]  netif_state_change (net/core/dev.c:1605)
[    9.968896][   T92]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.969103][   T92]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.969302][   T92]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.969489][   T92]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.969660][   T92]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.969830][   T92]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[    9.970024][   T92]  process_one_work (kernel/workqueue.c:3314)
[    9.970196][   T92]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.970388][   T92]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.970579][   T92]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.970752][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.970938][   T92]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.971111][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.971291][   T92]  kthread (kernel/kthread.c:436)
[    9.971438][   T92]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.971647][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.971816][   T92]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.971995][   T92]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.972194][   T92]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.972363][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.972577][   T92]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.974559][   T92] ------------[ cut here ]------------
| [    9.974723][   T92] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/92
| [    9.975040][   T92] Modules linked in: netdevsim
| [    9.975563][   T92] Tainted: [W]=WARN
[    9.975703][   T92] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.975954][   T92] Workqueue: events_unbound linkwatch_event
[    9.976161][   T92] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.976367][   T92] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[    9.977013][   T92] RSP: 0018:ffa00000005e79e0 EFLAGS: 00010286
[    9.977218][   T92] RAX: 00000000ffffffa6 RBX: ff1100000c81c4c0 RCX: 1ff40000000bcf02
[    9.977446][   T92] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c81c570
[    9.977685][   T92] RBP: ff1100000bf7a000 R08: 1fe22000019038af R09: ff1100000cc60bd0
[    9.977922][   T92] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[    9.978153][   T92] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.978383][   T92] FS:  0000000000000000(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[    9.978654][   T92] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.978855][   T92] CR2: 00007ffd1c306d78 CR3: 000000000ca27002 CR4: 0000000000771ef0
[    9.979106][   T92] PKRU: 55555554
[    9.979244][   T92] Call Trace:
[    9.979401][   T92]  <TASK>
[    9.979522][   T92]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    9.979692][   T92]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.979893][   T92]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.980065][   T92]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.980210][   T92]  netif_state_change (net/core/dev.c:1605)
[    9.980381][   T92]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.980596][   T92]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.980771][   T92]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.980952][   T92]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.981123][   T92]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.981291][   T92]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[    9.981459][   T92]  process_one_work (kernel/workqueue.c:3314)
[    9.981648][   T92]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.981817][   T92]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.982000][   T92]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.982172][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.982342][   T92]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.982526][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.982695][   T92]  kthread (kernel/kthread.c:436)
[    9.982835][   T92]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.983040][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.983212][   T92]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.983385][   T92]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.983595][   T92]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.983764][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.983942][   T92]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.091129][  T211] ------------[ cut here ]------------
| [   10.091326][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/211
| [   10.091695][  T211] Modules linked in: netdevsim
| [   10.092363][  T211] Tainted: [W]=WARN
[   10.092609][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.092894][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.093180][  T211] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.093753][  T211] RSP: 0018:ffa00000007a7020 EFLAGS: 00010286
[   10.094027][  T211] RAX: 00000000ffffffa6 RBX: ff1100000d19b9c0 RCX: 1ff40000000f4dca
[   10.094286][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d19ba70
[   10.094542][  T211] RBP: ff11000009472000 R08: 1fe2200001a3374f R09: ff1100000cf38b80
[   10.094792][  T211] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.095044][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.095293][  T211] FS:  00007fe3bfef2840(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[   10.095587][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.095802][  T211] CR2: 00007fe3c01c21a0 CR3: 00000000090dc001 CR4: 0000000000771ef0
[   10.096056][  T211] PKRU: 55555554
[   10.096203][  T211] Call Trace:
[   10.096349][  T211]  <TASK>
[   10.096466][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.096662][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.096811][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.096999][  T211]  __dev_notify_flags (net/core/dev.c:9787)
[   10.097182][  T211]  ? netif_change_name (net/core/dev.c:1495)
[   10.097360][  T211]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   10.097553][  T211]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.097732][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.097921][  T211]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.098106][  T211]  netif_change_flags (net/core/dev.c:9820)
[   10.098287][  T211]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.098468][  T211]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.098662][  T211]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.098878][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.099067][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.099250][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.099430][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.099623][  T211]  ? __kernel_text_address (kernel/extable.c:79)
[   10.099804][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.099992][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.100172][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.100353][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.100547][  T211]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.100724][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.100909][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.101091][  T211]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.101271][  T211]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.101450][  T211]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.101647][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.101829][  T211]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.102021][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.102204][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.102385][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.102576][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.102758][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.102944][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.103125][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.103313][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.103503][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.103681][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.103859][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.104046][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.104224][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.104402][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.104591][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.104771][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.104959][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.105135][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.105314][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.105505][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.105685][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.105907][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.106091][  T211]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.106273][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.106453][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.106643][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.106821][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.107007][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.107187][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.107367][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.107559][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.107734][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.107949][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[   10.108130][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.108307][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.108527][  T211]  ___sys_sendmsg (net/socket.c:2752)
[   10.108703][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.108924][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.109115][  T211]  __sys_sendmsg (net/socket.c:2784)
[   10.109293][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.109468][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.109700][  T211]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.109878][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.110066][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.110247][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.110424][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.110621][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.110830][  T211] RIP: 0033:0x7fe3c012c08e
[   10.111023][  T211] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.111547][  T211] RSP: 002b:00007fffd8458aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.111800][  T211] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe3c012c08e
[   10.112049][  T211] RDX: 0000000000000000 RSI: 00007fffd8458b50 RDI: 0000000000000005
[   10.112290][  T211] RBP: 00007fffd8458ab0 R08: 0000000000000000 R09: 0000000000000000
[   10.112548][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e056
[   10.112789][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd8459210
| [   10.116073][   T92] ------------[ cut here ]------------
| [   10.116238][   T92] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/92
| [   10.116536][   T92] Modules linked in: netdevsim
| [   10.117027][   T92] Tainted: [W]=WARN
[   10.117168][   T92] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.117365][   T92] Workqueue: events_unbound linkwatch_event
[   10.117610][   T92] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.117819][   T92] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.118311][   T92] RSP: 0018:ffa00000005e79e0 EFLAGS: 00010286
[   10.118523][   T92] RAX: 00000000ffffffa6 RBX: ff1100000d19b540 RCX: 1ff40000000bcf02
[   10.118749][   T92] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d19b5f0
[   10.118979][   T92] RBP: ff1100000bf7a000 R08: 1fe2200001a336bf R09: ff1100000cc60bd0
[   10.119204][   T92] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.119429][   T92] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.119669][   T92] FS:  0000000000000000(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[   10.119935][   T92] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.120133][   T92] CR2: 00007fe3c01c21a0 CR3: 0000000035f39002 CR4: 0000000000771ef0
[   10.120362][   T92] PKRU: 55555554
[   10.120576][   T92] Call Trace:
[   10.120777][   T92]  <TASK>
[   10.120975][   T92]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   10.121195][   T92]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.121417][   T92]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.121681][   T92]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.121868][   T92]  netif_state_change (net/core/dev.c:1605)
[   10.122058][   T92]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   10.122227][   T92]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.122426][   T92]  ? 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)
[   10.122620][   T92]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.122787][   T92]  ? rfc2863_policy (net/core/link_watch.c:60 (discriminator 1) net/core/link_watch.c:76 (discriminator 1))
[   10.122963][   T92]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   10.123131][   T92]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.123304][   T92]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.123489][   T92]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.123658][   T92]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.123825][   T92]  process_one_work (kernel/workqueue.c:3314)
[   10.124002][   T92]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.124168][   T92]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.124340][   T92]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.124525][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.124691][   T92]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.124858][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.125033][   T92]  kthread (kernel/kthread.c:436)
[   10.125170][   T92]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.125370][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.125557][   T92]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.125733][   T92]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.125941][   T92]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.126108][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.126276][   T92]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.178282][  T213] ------------[ cut here ]------------
| [   10.179131][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/213
| [   10.179459][  T213] Modules linked in: netdevsim
| [   10.180092][  T213] Tainted: [W]=WARN
[   10.180300][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.180545][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.180758][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.181268][  T213] RSP: 0018:ffa00000007c7020 EFLAGS: 00010286
[   10.181491][  T213] RAX: 00000000ffffffa6 RBX: ff1100000c8073c0 RCX: 1ff40000000f8dca
[   10.181728][  T213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c807470
[   10.181979][  T213] RBP: ff11000009472000 R08: 1fe2200001900e8f R09: ff1100000cf3d180
[   10.182219][  T213] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.182456][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.182710][  T213] FS:  00007fc324283840(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[   10.182994][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.183203][  T213] CR2: 00000000389f9988 CR3: 000000000be85004 CR4: 0000000000771ef0
[   10.183444][  T213] PKRU: 55555554
[   10.183598][  T213] Call Trace:
[   10.183742][  T213]  <TASK>
[   10.183854][  T213]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[   10.184039][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.184221][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.184367][  T213]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.184554][  T213]  __dev_notify_flags (net/core/dev.c:9787)
[   10.184732][  T213]  ? netif_change_name (net/core/dev.c:1495)
[   10.184915][  T213]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.185092][  T213]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.185267][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.185447][  T213]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.185640][  T213]  netif_change_flags (net/core/dev.c:9820)
[   10.185817][  T213]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.186004][  T213]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.186183][  T213]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.186391][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.186580][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.186760][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.186945][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.187123][  T213]  ? __kernel_text_address (kernel/extable.c:79)
[   10.187300][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.187493][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.187669][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.187847][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.188030][  T213]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.188205][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.188380][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.188570][  T213]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.188747][  T213]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.188926][  T213]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.189103][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.189282][  T213]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.189463][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.189656][  T213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.189834][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.190015][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.190193][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.190368][  T213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.190559][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.190740][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.190926][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.191103][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.191279][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.191458][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.191648][  T213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.191825][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.192008][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.192187][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.192366][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.192554][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.192734][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.192924][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.193103][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.193282][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.193459][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.193654][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.193833][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.194018][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.194196][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.194377][  T213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.194567][  T213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.194747][  T213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.194930][  T213]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.195108][  T213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.195315][  T213]  ? move_addr_to_kernel (net/socket.c:258)
[   10.195507][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.195684][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.195864][  T213]  ___sys_sendmsg (net/socket.c:2752)
[   10.196049][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.196259][  T213]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.196447][  T213]  __sys_sendmsg (net/socket.c:2784)
[   10.196638][  T213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.196814][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.197033][  T213]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.197211][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.197388][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.197577][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.197755][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.197941][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.198152][  T213] RIP: 0033:0x7fc3244bd08e
[   10.198335][  T213] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.198854][  T213] RSP: 002b:00007ffcdc171de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.199104][  T213] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3244bd08e
[   10.199344][  T213] RDX: 0000000000000000 RSI: 00007ffcdc171e90 RDI: 0000000000000005
[   10.199598][  T213] RBP: 00007ffcdc171df0 R08: 0000000000000000 R09: 0000000000000000
[   10.199840][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e056
[   10.200085][  T213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdc172550
| [   10.202918][   T92] ------------[ cut here ]------------
| [   10.203052][   T92] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/92
| [   10.203289][   T92] Modules linked in: netdevsim
| [   10.203774][   T92] Tainted: [W]=WARN
[   10.203868][   T92] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.204024][   T92] Workqueue: events_unbound linkwatch_event
[   10.204180][   T92] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.204339][   T92] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.204776][   T92] RSP: 0018:ffa00000005e79e0 EFLAGS: 00010286
[   10.204932][   T92] RAX: 00000000ffffffa6 RBX: ff1100000c8064c0 RCX: 1ff40000000bcf02
[   10.205108][   T92] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c806570
[   10.205286][   T92] RBP: ff11000009472000 R08: 1fe2200001900caf R09: ff1100000cc60bd0
[   10.205465][   T92] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.205666][   T92] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.205846][   T92] FS:  0000000000000000(0000) GS:ff11000089205000(0000) knlGS:0000000000000000
[   10.206060][   T92] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.206210][   T92] CR2: 00007f7724278930 CR3: 0000000035f39002 CR4: 0000000000771ef0
[   10.206392][   T92] PKRU: 55555554
[   10.206489][   T92] Call Trace:
[   10.206581][   T92]  <TASK>
[   10.206644][   T92]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   10.206766][   T92]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.206899][   T92]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.207019][   T92]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.207112][   T92]  netif_state_change (net/core/dev.c:1605)
[   10.207236][   T92]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.207388][   T92]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.207516][   T92]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.207636][   T92]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.207760][   T92]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.207884][   T92]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.208007][   T92]  process_one_work (kernel/workqueue.c:3314)
[   10.208133][   T92]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.208252][   T92]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.208376][   T92]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.208503][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.208621][   T92]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.208743][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.208866][   T92]  kthread (kernel/kthread.c:436)
[   10.208962][   T92]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.209110][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.209234][   T92]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.209354][   T92]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.209510][   T92]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.209628][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.209748][   T92]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.211116][   T92] ------------[ cut here ]------------
| [   10.211232][   T92] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/92
| [   10.211467][   T92] Modules linked in: netdevsim
| [   10.211960][   T92] Tainted: [W]=WARN
[   10.212051][   T92] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.212212][   T92] Workqueue: events_unbound linkwatch_event
[   10.212369][   T92] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.212542][   T92] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.212974][   T92] RSP: 0018:ffa00000005e79e0 EFLAGS: 00010286
[   10.213126][   T92] RAX: 00000000ffffffa6 RBX: ff1100000c806340 RCX: 1ff40000000bcf02
[   10.213307][   T92] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c8063f0
[   10.213500][   T92] RBP: ff1100000bf7a000 R08: 1fe2200001900c7f R09: ff1100000cc60bd0
[   10.213680][   T92] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.213867][   T92] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.214069][   T92] FS:  0000000000000000(0000) GS:ff11000089205000(0000) knlGS:0000000000000000
[   10.214280][   T92] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.214437][   T92] CR2: 00007f7724278930 CR3: 0000000035f39002 CR4: 0000000000771ef0
[   10.214624][   T92] PKRU: 55555554
[   10.214715][   T92] Call Trace:
[   10.214806][   T92]  <TASK>
[   10.214869][   T92]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   10.214999][   T92]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.215120][   T92]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.215242][   T92]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.215335][   T92]  netif_state_change (net/core/dev.c:1605)
[   10.215458][   T92]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.215620][   T92]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.215743][   T92]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.215867][   T92]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.215997][   T92]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.216117][   T92]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.216240][   T92]  process_one_work (kernel/workqueue.c:3314)
[   10.216364][   T92]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.216488][   T92]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.216631][   T92]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.216755][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.216876][   T92]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.217007][   T92]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.217136][   T92]  kthread (kernel/kthread.c:436)
[   10.217227][   T92]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.217377][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.217504][   T92]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.217625][   T92]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.217778][   T92]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.217902][   T92]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.218022][   T92]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.975965][   T39] ------------[ cut here ]------------
| [   10.976147][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   10.976401][   T39] Modules linked in: netdevsim
| [   10.976823][   T39] Tainted: [W]=WARN
[   10.976924][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.977084][   T39] Workqueue: events_unbound linkwatch_event
[   10.977256][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.977422][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.977875][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   10.978040][   T39] RAX: 00000000ffffffa6 RBX: ff1100000d0b2c40 RCX: 1ff4000000057f02
[   10.978228][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0b2cf0
[   10.978410][   T39] RBP: ff11000009472000 R08: 1fe2200001a1659f R09: ff11000001d851d0
[   10.978610][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.978791][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.978979][   T39] FS:  0000000000000000(0000) GS:ff11000089305000(0000) knlGS:0000000000000000
[   10.979193][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.979345][   T39] CR2: 000055a45299d19c CR3: 000000000ca27002 CR4: 0000000000771ef0
[   10.979537][   T39] PKRU: 55555554
[   10.979627][   T39] Call Trace:
[   10.979718][   T39]  <TASK>
[   10.979785][   T39]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   10.979915][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.980041][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.980167][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.980261][   T39]  netif_state_change (net/core/dev.c:1605)
[   10.980384][   T39]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   10.980512][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.980661][   T39]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   10.980779][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   10.980906][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.981028][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.981152][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.981271][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.981394][   T39]  process_one_work (kernel/workqueue.c:3314)
[   10.981568][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.981687][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.981812][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.981951][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.982073][   T39]  kthread (kernel/kthread.c:436)
[   10.982167][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.982318][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.982440][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.982610][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.982762][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.982889][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.983015][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.984937][   T39] ------------[ cut here ]------------
| [   10.985062][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   10.985297][   T39] Modules linked in: netdevsim
| [   10.985699][   T39] Tainted: [W]=WARN
[   10.985791][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.985999][   T39] Workqueue: events_unbound linkwatch_event
[   10.986155][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.986312][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.986745][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   10.986905][   T39] RAX: 00000000ffffffa6 RBX: ff1100000d0b2640 RCX: 1ff4000000057f02
[   10.987085][   T39] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0b26f0
[   10.987264][   T39] RBP: ff1100000bf7a000 R08: 1fe2200001a164df R09: ff11000001d851d0
[   10.987462][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.987652][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.987831][   T39] FS:  0000000000000000(0000) GS:ff11000089305000(0000) knlGS:0000000000000000
[   10.988048][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.988199][   T39] CR2: 000055a45299d19c CR3: 000000000ca27002 CR4: 0000000000771ef0
[   10.988385][   T39] PKRU: 55555554
[   10.988483][   T39] Call Trace:
[   10.988577][   T39]  <TASK>
[   10.988642][   T39]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   10.988786][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.988910][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.989053][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.989146][   T39]  netif_state_change (net/core/dev.c:1605)
[   10.989266][   T39]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   10.989388][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.989543][   T39]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   10.989663][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   10.989788][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.989915][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.990039][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.990161][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.990283][   T39]  process_one_work (kernel/workqueue.c:3314)
[   10.990408][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.990532][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.990659][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.990783][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.990931][   T39]  kthread (kernel/kthread.c:436)
[   10.991022][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.991173][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.991293][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.991417][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.991575][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.991696][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.991818][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.994129][  T165] ------------[ cut here ]------------
| [   10.994357][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: peer.sh/165
| [   10.994698][  T165] Modules linked in: netdevsim
| [   10.995218][  T165] Tainted: [W]=WARN
[   10.995340][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.995549][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.995758][  T165] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   10.996376][  T165] RSP: 0018:ffa00000008775a8 EFLAGS: 00010286
[   10.996587][  T165] RAX: 00000000ffffffa6 RBX: ff110000094af240 RCX: 1ff400000010ee7b
[   10.996826][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094af2f0
[   10.997068][  T165] RBP: ff1100000bf7a000 R08: 1fe2200001295e5f R09: ff110000024f5270
[   10.997305][  T165] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   10.997619][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000877698
[   10.997858][  T165] FS:  00007f46faa5fb80(0000) GS:ff11000089185000(0000) knlGS:0000000000000000
[   10.998142][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.998341][  T165] CR2: 00007f565d8292a0 CR3: 000000000ca27005 CR4: 0000000000771ef0
[   10.998647][  T165] PKRU: 55555554
[   10.998766][  T165] Call Trace:
[   10.998890][  T165]  <TASK>
[   10.998973][  T165]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.999136][  T165]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.999258][  T165]  netif_close_many (net/core/dev.c:1804)
[   10.999418][  T165]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.999612][  T165]  ? __dev_close_many (net/core/dev.c:1781)
[   10.999771][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.999936][  T165]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.000148][  T165]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   11.000346][  T165]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   11.000551][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.000710][  T165]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.000868][  T165]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.001051][  T165]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.001209][  T165]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.001404][  T165]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   11.001573][  T165]  ? netdev_run_todo (net/core/dev.c:11703)
[   11.001732][  T165]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.001895][  T165]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.002056][  T165]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   11.002215][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.002373][  T165]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.002538][  T165] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   11.002700][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.002860][  T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   11.003065][  T165] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   11.003265][  T165] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   11.003426][  T165]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   11.003632][  T165]  bus_remove_device (drivers/base/bus.c:657)
[   11.003792][  T165]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   11.003955][  T165]  ? device_remove_file (drivers/base/core.c:3073)
[   11.004118][  T165]  device_del (drivers/base/core.c:3895)
[   11.004239][  T165]  ? __device_link_del (./include/linux/kobject.h:89)
[   11.004401][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.004566][  T165]  device_unregister (drivers/base/core.c:3936)
[   11.004724][  T165] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   11.004926][  T165]  ? 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))
[   11.005086][  T165]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   11.005284][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.005442][  T165]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   11.005607][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.005765][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.005891][  T165]  new_sync_write (fs/read_write.c:595)
[   11.006052][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.006211][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.006370][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.006561][  T165]  ? ksys_write (fs/read_write.c:740)
[   11.006729][  T165]  vfs_write (fs/read_write.c:688)
[   11.006853][  T165]  ksys_write (fs/read_write.c:740)
[   11.006978][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.007138][  T165]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.007298][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.007458][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.007628][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.007789][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.007957][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.008157][  T165] RIP: 0033:0x7f46faad108e
[   11.008328][  T165] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.008903][  T165] RSP: 002b:00007ffd1c308e50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.009144][  T165] RAX: ffffffffffffffda RBX: 00007f46fac53580 RCX: 00007f46faad108e
[   11.009389][  T165] RDX: 0000000000000004 RSI: 000055a4529a4290 RDI: 0000000000000001
[   11.009638][  T165] RBP: 00007ffd1c308e60 R08: 0000000000000000 R09: 0000000000000000
[   11.009891][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   11.010135][  T165] R13: 0000000000000004 R14: 000055a4529a4290 R15: 0000000000000000
| [   11.015205][  T165] ------------[ cut here ]------------
| [   11.015405][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: peer.sh/165
| [   11.015710][  T165] Modules linked in: netdevsim
| [   11.016252][  T165] Tainted: [W]=WARN
[   11.016372][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.016628][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.016824][  T165] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   11.017364][  T165] RSP: 0018:ffa0000000877728 EFLAGS: 00010286
[   11.017561][  T165] RAX: 00000000ffffffa6 RBX: ff1100000c97f240 RCX: 1ff400000010eeab
[   11.017787][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c97f2f0
[   11.018019][  T165] RBP: ff1100000bf7a000 R08: 1fe220000192fe5f R09: ff110000024f5248
[   11.018242][  T165] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.018466][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.018764][  T165] FS:  00007f46faa5fb80(0000) GS:ff11000089185000(0000) knlGS:0000000000000000
[   11.019031][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.019218][  T165] CR2: 00007f565d8292a0 CR3: 000000000ca27005 CR4: 0000000000771ef0
[   11.019441][  T165] PKRU: 55555554
[   11.019619][  T165] Call Trace:
[   11.019731][  T165]  <TASK>
[   11.019809][  T165]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.020004][  T165]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.020192][  T165]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   11.020341][  T165]  ? netdev_run_todo (net/core/dev.c:11703)
[   11.020555][  T165]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.020704][  T165]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.020927][  T165]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   11.021110][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.021262][  T165]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.021418][  T165] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   11.021635][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.021786][  T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   11.021982][  T165] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   11.022173][  T165] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   11.022325][  T165]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   11.022576][  T165]  bus_remove_device (drivers/base/bus.c:657)
[   11.022726][  T165]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   11.022876][  T165]  ? device_remove_file (drivers/base/core.c:3073)
[   11.023034][  T165]  device_del (drivers/base/core.c:3895)
[   11.023149][  T165]  ? __device_link_del (./include/linux/kobject.h:89)
[   11.023302][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.023451][  T165]  device_unregister (drivers/base/core.c:3936)
[   11.023662][  T165] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   11.023851][  T165]  ? 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))
[   11.024005][  T165]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   11.024191][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.024340][  T165]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   11.024552][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.024703][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.024815][  T165]  new_sync_write (fs/read_write.c:595)
[   11.024971][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.025121][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.025271][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.025422][  T165]  ? ksys_write (fs/read_write.c:740)
[   11.025640][  T165]  vfs_write (fs/read_write.c:688)
[   11.025757][  T165]  ksys_write (fs/read_write.c:740)
[   11.025872][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.026027][  T165]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.026207][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.026358][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.026570][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.026719][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.026871][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.027108][  T165] RIP: 0033:0x7f46faad108e
[   11.027266][  T165] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.027864][  T165] RSP: 002b:00007ffd1c308e50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.028100][  T165] RAX: ffffffffffffffda RBX: 00007f46fac53580 RCX: 00007f46faad108e
[   11.028325][  T165] RDX: 0000000000000004 RSI: 000055a4529a4290 RDI: 0000000000000001
[   11.028614][  T165] RBP: 00007ffd1c308e60 R08: 0000000000000000 R09: 0000000000000000
[   11.028838][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   11.029067][  T165] R13: 0000000000000004 R14: 000055a4529a4290 R15: 0000000000000000
| [   11.078304][  T165] ------------[ cut here ]------------
| [   11.079165][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: peer.sh/165
| [   11.079821][  T165] Modules linked in: netdevsim
| [   11.080565][  T165] Tainted: [W]=WARN
[   11.080739][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.080997][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.081257][  T165] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   11.081902][  T165] RSP: 0018:ffa00000008775a8 EFLAGS: 00010286
[   11.082179][  T165] RAX: 00000000ffffffa6 RBX: ff1100000c8de340 RCX: 1ff400000010ee7b
[   11.082459][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c8de3f0
[   11.082753][  T165] RBP: ff11000009472000 R08: 1fe220000191bc7f R09: ff110000024f5270
[   11.083041][  T165] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   11.083325][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000877698
[   11.083622][  T165] FS:  00007f46faa5fb80(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[   11.083958][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.084204][  T165] CR2: 000055a4529693fc CR3: 000000000ca27004 CR4: 0000000000771ef0
[   11.084503][  T165] PKRU: 55555554
[   11.084668][  T165] Call Trace:
[   11.084834][  T165]  <TASK>
[   11.084970][  T165]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.085178][  T165]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.085346][  T165]  netif_close_many (net/core/dev.c:1804)
[   11.085565][  T165]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.085770][  T165]  ? __dev_close_many (net/core/dev.c:1781)
[   11.085981][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.086193][  T165]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   11.086400][  T165]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   11.086720][  T165]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   11.086972][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.087179][  T165]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.087384][  T165]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.087601][  T165]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.087812][  T165]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.088063][  T165]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   11.088269][  T165]  ? netdev_run_todo (net/core/dev.c:11703)
[   11.088539][  T165]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.088748][  T165]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.088963][  T165]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   11.089171][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.089377][  T165]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.089603][  T165] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   11.089813][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.090029][  T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   11.090277][  T165] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   11.090534][  T165] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   11.090742][  T165]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   11.091000][  T165]  bus_remove_device (drivers/base/bus.c:657)
[   11.091208][  T165]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   11.091412][  T165]  ? device_remove_file (drivers/base/core.c:3073)
[   11.091634][  T165]  device_del (drivers/base/core.c:3895)
[   11.091803][  T165]  ? __device_link_del (./include/linux/kobject.h:89)
[   11.092014][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.092219][  T165]  device_unregister (drivers/base/core.c:3936)
[   11.092425][  T165] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   11.092687][  T165]  ? 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))
[   11.092900][  T165]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   11.093145][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.093350][  T165]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   11.093573][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.093779][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.093975][  T165]  new_sync_write (fs/read_write.c:595)
[   11.094187][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.094391][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.094609][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.094814][  T165]  ? ksys_write (fs/read_write.c:740)
[   11.095033][  T165]  vfs_write (fs/read_write.c:688)
[   11.095203][  T165]  ksys_write (fs/read_write.c:740)
[   11.095371][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.095588][  T165]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.095796][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.096012][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.096216][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.096440][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.096662][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.096912][  T165] RIP: 0033:0x7f46faad108e
[   11.097123][  T165] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.097747][  T165] RSP: 002b:00007ffd1c308e50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.098042][  T165] RAX: ffffffffffffffda RBX: 00007f46fac53580 RCX: 00007f46faad108e
[   11.098327][  T165] RDX: 0000000000000004 RSI: 000055a4529a4290 RDI: 0000000000000001
[   11.098629][  T165] RBP: 00007ffd1c308e60 R08: 0000000000000000 R09: 0000000000000000
[   11.098925][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   11.099211][  T165] R13: 0000000000000004 R14: 000055a4529a4290 R15: 0000000000000000
| [   11.105678][  T165] ------------[ cut here ]------------
| [   11.105887][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: peer.sh/165
| [   11.106235][  T165] Modules linked in: netdevsim
| [   11.107571][  T165] Tainted: [W]=WARN
[   11.107689][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.107888][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.108090][  T165] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 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
[   11.108637][  T165] RSP: 0018:ffa0000000877728 EFLAGS: 00010286
[   11.108825][  T165] RAX: 00000000ffffffa6 RBX: ff1100000cf7d840 RCX: 1ff400000010eeab
[   11.109053][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf7d8f0
[   11.109279][  T165] RBP: ff11000009472000 R08: 1fe22000019efb1f R09: ff110000024f5248
[   11.109513][  T165] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.109737][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.109964][  T165] FS:  00007f46faa5fb80(0000) GS:ff11000089305000(0000) knlGS:0000000000000000
[   11.110226][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.110417][  T165] CR2: 0000559b0b807098 CR3: 000000000ca27002 CR4: 0000000000771ef0
[   11.110647][  T165] PKRU: 55555554
[   11.110760][  T165] Call Trace:
[   11.110872][  T165]  <TASK>
[   11.110955][  T165]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.111144][  T165]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.111330][  T165]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   11.111486][  T165]  ? netdev_run_todo (net/core/dev.c:11703)
[   11.111638][  T165]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.111789][  T165]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.111945][  T165]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   11.112096][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.112245][  T165]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   11.112398][  T165] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   11.112563][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.112719][  T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   11.112918][  T165] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   11.113113][  T165] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   11.113268][  T165]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   11.113460][  T165]  bus_remove_device (drivers/base/bus.c:657)
[   11.113615][  T165]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   11.113765][  T165]  ? device_remove_file (drivers/base/core.c:3073)
[   11.113924][  T165]  device_del (drivers/base/core.c:3895)
[   11.114039][  T165]  ? __device_link_del (./include/linux/kobject.h:89)
[   11.114193][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   11.114343][  T165]  device_unregister (drivers/base/core.c:3936)
[   11.114499][  T165] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   11.114690][  T165]  ? 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))
[   11.114839][  T165]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   11.115066][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   11.115217][  T165]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   11.115367][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   11.115521][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[   11.115634][  T165]  new_sync_write (fs/read_write.c:595)
[   11.115784][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.115938][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[   11.116088][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.116238][  T165]  ? ksys_write (fs/read_write.c:740)
[   11.116392][  T165]  vfs_write (fs/read_write.c:688)
[   11.116514][  T165]  ksys_write (fs/read_write.c:740)
[   11.116629][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[   11.116778][  T165]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.116935][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.117095][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.117251][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.117402][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.117557][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.117743][  T165] RIP: 0033:0x7f46faad108e
[   11.117904][  T165] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.118432][  T165] RSP: 002b:00007ffd1c308e50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   11.118667][  T165] RAX: ffffffffffffffda RBX: 00007f46fac53580 RCX: 00007f46faad108e
[   11.118898][  T165] RDX: 0000000000000004 RSI: 000055a4529a4290 RDI: 0000000000000001
[   11.119134][  T165] RBP: 00007ffd1c308e60 R08: 0000000000000000 R09: 0000000000000000
[   11.119359][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   11.119593][  T165] R13: 0000000000000004 R14: 000055a4529a4290 R15: 0000000000000000
| [   11.320558][   T12] ------------[ cut here ]------------
| [   11.320782][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   11.321142][   T12] Modules linked in: [last unloaded: netdevsim]
| [   11.321776][   T12] Tainted: [W]=WARN
[   11.321926][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.322133][   T12] Workqueue: netns cleanup_net
[   11.322311][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.322527][   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
[   11.323023][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   11.323226][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c8def40 RCX: 1ff4000000018ed5
[   11.323459][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c8deff0
[   11.323856][   T12] RBP: ff11000008bf1000 R08: 1fe220000191bdff R09: ff11000001b051d0
[   11.324171][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.324595][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.324905][   T12] FS:  0000000000000000(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[   11.325234][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.325532][   T12] CR2: 00007fafdda22808 CR3: 0000000035f39002 CR4: 0000000000771ef0
[   11.325840][   T12] PKRU: 55555554
[   11.326059][   T12] Call Trace:
[   11.326271][   T12]  <TASK>
[   11.326649][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.326962][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.327354][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   11.327708][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.328048][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.328309][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.328583][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.328840][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.329102][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.329336][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.329590][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.329912][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.330230][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   11.330531][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.330694][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.330862][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.331184][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.331352][   T12]  process_one_work (kernel/workqueue.c:3314)
[   11.331534][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.331784][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.331965][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.332241][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.332411][   T12]  kthread (kernel/kthread.c:436)
[   11.332583][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.332806][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.333171][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.333342][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.333556][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.333727][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.333912][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.385389][   T12] ------------[ cut here ]------------
| [   11.385620][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   11.385908][   T12] Modules linked in: [last unloaded: netdevsim]
| [   11.386457][   T12] Tainted: [W]=WARN
[   11.386605][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.386797][   T12] Workqueue: netns cleanup_net
[   11.386977][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.387188][   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
[   11.387700][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   11.387909][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf7d0c0 RCX: 1ff4000000018ed5
[   11.388131][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf7d170
[   11.388355][   T12] RBP: ff1100000ce11000 R08: 1fe22000019efa2f R09: ff11000001b051d0
[   11.388589][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.388811][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.389046][   T12] FS:  0000000000000000(0000) GS:ff11000089285000(0000) knlGS:0000000000000000
[   11.389299][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.389509][   T12] CR2: 000055c291bc52b8 CR3: 000000000b057005 CR4: 0000000000771ef0
[   11.389732][   T12] PKRU: 55555554
[   11.389866][   T12] Call Trace:
[   11.390008][   T12]  <TASK>
[   11.390116][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.390315][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   11.390525][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   11.390696][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.390866][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   11.391040][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   11.391208][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   11.391375][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   11.391554][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   11.391722][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.391898][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   11.392062][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.392231][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   11.392433][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   11.392614][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   11.392782][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.392956][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.393125][   T12]  process_one_work (kernel/workqueue.c:3314)
[   11.393294][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.393494][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.393665][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.393835][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.394008][   T12]  kthread (kernel/kthread.c:436)
[   11.394145][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.394340][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.394519][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.394712][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.394915][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.395082][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
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:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg