======================================
| xx__-> [    8.856502][  T165] ------------[ cut here ]------------
| [    8.856848][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: hw_stats_l3.sh/165
| [    8.857527][  T165] Modules linked in: netdevsim
| [    8.858284][  T165] Tainted: [W]=WARN
[    8.858459][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.858730][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.859066][  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
[    8.859708][  T165] RSP: 0018:ffa00000008274f8 EFLAGS: 00010286
[    8.859976][  T165] RAX: 00000000ffffffa6 RBX: ff11000004d20940 RCX: 1ff4000000104e65
[    8.860288][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d209f0
[    8.860588][  T165] RBP: ff11000008dfa000 R08: 1fe22000009a413f R09: ff11000004a70c48
[    8.860894][  T165] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.861209][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008dfa000
[    8.861509][  T165] FS:  00007ff11f83ab80(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[    8.861862][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.862130][  T165] CR2: 000055a19028d0a8 CR3: 000000000c5a2004 CR4: 0000000000771ef0
[    8.862429][  T165] PKRU: 55555554
[    8.862602][  T165] Call Trace:
[    8.862785][  T165]  <TASK>
[    8.862920][  T165]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.863212][  T165]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.863392][  T165]  register_netdevice (net/core/dev.c:11488)
[    8.863611][  T165]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.863869][  T165]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.864104][  T165] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.864367][  T165] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.864584][  T165] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.864863][  T165]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.865091][  T165]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.865350][  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))
[    8.865565][  T165]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.865749][  T165]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.866005][  T165]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.866283][  T165] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.866505][  T165]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    8.866720][  T165]  call_driver_probe (drivers/base/dd.c:629)
[    8.866947][  T165]  really_probe (drivers/base/dd.c:709)
[    8.867176][  T165]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.867390][  T165]  __driver_probe_device (drivers/base/dd.c:871)
[    8.867606][  T165]  driver_probe_device (drivers/base/dd.c:901)
[    8.867847][  T165]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.868204][  T165]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.868424][  T165]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.868765][  T165]  __device_attach (drivers/base/dd.c:1101)
[    8.869116][  T165]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.869335][  T165]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.869589][  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)
[    8.869826][  T165]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.870063][  T165]  device_initial_probe (drivers/base/dd.c:1156)
[    8.870513][  T165]  bus_probe_device (drivers/base/bus.c:613)
[    8.870730][  T165]  device_add (drivers/base/core.c:3706)
[    8.871017][  T165]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.871379][  T165]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.871684][  T165]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.872023][  T165] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.872303][  T165]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.872518][  T165]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.872902][  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))
[    8.873131][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.873348][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.873562][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.873787][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.873977][  T165]  new_sync_write (fs/read_write.c:595)
[    8.874210][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.874425][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.874642][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.874865][  T165]  ? ksys_write (fs/read_write.c:740)
[    8.875095][  T165]  vfs_write (fs/read_write.c:688)
[    8.875272][  T165]  ksys_write (fs/read_write.c:740)
[    8.875564][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.875806][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.876039][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.876255][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.876588][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.876814][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.877048][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.877304][  T165] RIP: 0033:0x7ff11f8ac08e
[    8.877525][  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
[    8.878197][  T165] RSP: 002b:00007ffc087fbb70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.878616][  T165] RAX: ffffffffffffffda RBX: 00007ff11fa2e580 RCX: 00007ff11f8ac08e
[    8.878935][  T165] RDX: 0000000000000007 RSI: 000055a19028c0a0 RDI: 0000000000000001
[    8.879244][  T165] RBP: 00007ffc087fbb80 R08: 0000000000000000 R09: 0000000000000000
[    8.879540][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    8.879843][  T165] R13: 0000000000000007 R14: 000055a19028c0a0 R15: 0000000000000000
| [    8.912185][  T165] ------------[ cut here ]------------
| [    8.912478][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: hw_stats_l3.sh/165
| [    8.912869][  T165] Modules linked in: netdevsim
| [    8.913591][  T165] Tainted: [W]=WARN
[    8.913771][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.914092][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.914360][  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
[    8.915048][  T165] RSP: 0018:ffa00000008274f8 EFLAGS: 00010286
[    8.915305][  T165] RAX: 00000000ffffffa6 RBX: ff1100000c561b40 RCX: 1ff4000000104e65
[    8.915596][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c561bf0
[    8.915898][  T165] RBP: ff1100000bf52000 R08: 1fe22000018ac37f R09: ff11000004a70c48
[    8.916205][  T165] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.916498][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bf52000
[    8.916798][  T165] FS:  00007ff11f83ab80(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[    8.917150][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.917406][  T165] CR2: 000055a19028c0a0 CR3: 000000000c5a2004 CR4: 0000000000771ef0
[    8.917702][  T165] PKRU: 55555554
[    8.917894][  T165] Call Trace:
[    8.918082][  T165]  <TASK>
[    8.918219][  T165]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.918440][  T165]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.918618][  T165]  register_netdevice (net/core/dev.c:11488)
[    8.918849][  T165]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.919116][  T165]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.919335][  T165] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.919611][  T165] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.919841][  T165] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.920118][  T165]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.920336][  T165]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.920595][  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))
[    8.920838][  T165]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.921031][  T165]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.921272][  T165]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.921537][  T165] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.921762][  T165]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    8.921975][  T165]  call_driver_probe (drivers/base/dd.c:629)
[    8.922205][  T165]  really_probe (drivers/base/dd.c:709)
[    8.922419][  T165]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.922633][  T165]  __driver_probe_device (drivers/base/dd.c:871)
[    8.922874][  T165]  driver_probe_device (drivers/base/dd.c:901)
[    8.923107][  T165]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.923325][  T165]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.923545][  T165]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.923769][  T165]  __device_attach (drivers/base/dd.c:1101)
[    8.924003][  T165]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.924222][  T165]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.924494][  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)
[    8.924708][  T165]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.924935][  T165]  device_initial_probe (drivers/base/dd.c:1156)
[    8.925164][  T165]  bus_probe_device (drivers/base/bus.c:613)
[    8.925379][  T165]  device_add (drivers/base/core.c:3706)
[    8.925599][  T165]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.925866][  T165]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.926112][  T165]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.926335][  T165] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.926592][  T165]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.926816][  T165]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.927084][  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))
[    8.927300][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.927513][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.927745][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.927960][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.928149][  T165]  new_sync_write (fs/read_write.c:595)
[    8.928364][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.928580][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.928810][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.929046][  T165]  ? ksys_write (fs/read_write.c:740)
[    8.929269][  T165]  vfs_write (fs/read_write.c:688)
[    8.929456][  T165]  ksys_write (fs/read_write.c:740)
[    8.929628][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.929850][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.930203][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.930417][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.930627][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.930977][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.931207][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.931476][  T165] RIP: 0033:0x7ff11f8ac08e
[    8.931827][  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
[    8.932687][  T165] RSP: 002b:00007ffc087fbc70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.933005][  T165] RAX: ffffffffffffffda RBX: 00007ff11fa2e580 RCX: 00007ff11f8ac08e
[    8.933311][  T165] RDX: 0000000000000007 RSI: 000055a19028c0a0 RDI: 0000000000000001
[    8.933601][  T165] RBP: 00007ffc087fbc80 R08: 0000000000000000 R09: 0000000000000000
[    8.934273][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    8.934564][  T165] R13: 0000000000000007 R14: 000055a19028c0a0 R15: 0000000000000000
| [    8.980619][  T165] ------------[ cut here ]------------
| [    8.980951][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: hw_stats_l3.sh/165
| [    8.981350][  T165] Modules linked in: netdevsim
| [    8.982081][  T165] Tainted: [W]=WARN
[    8.982315][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.982573][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.982843][  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
[    8.983488][  T165] RSP: 0018:ffa00000008274f8 EFLAGS: 00010286
[    8.983749][  T165] RAX: 00000000ffffffa6 RBX: ff1100000be56dc0 RCX: 1ff4000000104e65
[    8.984057][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be56e70
[    8.984353][  T165] RBP: ff1100000bdc2000 R08: 1fe22000017cadcf R09: ff11000004a70c48
[    8.984650][  T165] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.984953][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bdc2000
[    8.985263][  T165] FS:  00007ff11f83ab80(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[    8.985601][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.985875][  T165] CR2: 000055a19028c0a0 CR3: 000000000c5a2004 CR4: 0000000000771ef0
[    8.986181][  T165] PKRU: 55555554
[    8.986351][  T165] Call Trace:
[    8.986522][  T165]  <TASK>
[    8.986654][  T165]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.986876][  T165]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.987068][  T165]  register_netdevice (net/core/dev.c:11488)
[    8.987300][  T165]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.987551][  T165]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.987774][  T165] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.988048][  T165] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.988262][  T165] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.988515][  T165]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.988747][  T165]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.989015][  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))
[    8.989226][  T165]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.989399][  T165]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.989614][  T165]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.989875][  T165] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.990106][  T165]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    8.990333][  T165]  call_driver_probe (drivers/base/dd.c:629)
[    8.990545][  T165]  really_probe (drivers/base/dd.c:709)
[    8.990770][  T165]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.990978][  T165]  __driver_probe_device (drivers/base/dd.c:871)
[    8.991202][  T165]  driver_probe_device (drivers/base/dd.c:901)
[    8.991412][  T165]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.991623][  T165]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.991845][  T165]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.992089][  T165]  __device_attach (drivers/base/dd.c:1101)
[    8.992299][  T165]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.992510][  T165]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.992770][  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)
[    8.992983][  T165]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.993263][  T165]  device_initial_probe (drivers/base/dd.c:1156)
[    8.993477][  T165]  bus_probe_device (drivers/base/bus.c:613)
[    8.993703][  T165]  device_add (drivers/base/core.c:3706)
[    8.993923][  T165]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.994187][  T165]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.994398][  T165]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.994613][  T165] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.994870][  T165]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.995132][  T165]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.995401][  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))
[    8.995613][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.995833][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.996057][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.996268][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.996438][  T165]  new_sync_write (fs/read_write.c:595)
[    8.996650][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.996883][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.997111][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.997322][  T165]  ? ksys_write (fs/read_write.c:740)
[    8.997535][  T165]  vfs_write (fs/read_write.c:688)
[    8.997709][  T165]  ksys_write (fs/read_write.c:740)
[    8.997888][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.998116][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.998326][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.998551][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.998766][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.998978][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.999205][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.999453][  T165] RIP: 0033:0x7ff11f8ac08e
[    8.999667][  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
[    9.000321][  T165] RSP: 002b:00007ffc087fbd70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.000611][  T165] RAX: ffffffffffffffda RBX: 00007ff11fa2e580 RCX: 00007ff11f8ac08e
[    9.000906][  T165] RDX: 0000000000000007 RSI: 000055a19028c0a0 RDI: 0000000000000001
[    9.001204][  T165] RBP: 00007ffc087fbd80 R08: 0000000000000000 R09: 0000000000000000
[    9.001506][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    9.001803][  T165] R13: 0000000000000007 R14: 000055a19028c0a0 R15: 0000000000000000
| [    9.072436][  T196] ------------[ cut here ]------------
| [    9.072637][  T196] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/196
| [    9.072880][  T196] Modules linked in: netdevsim
| [    9.073383][  T196] Tainted: [W]=WARN
[    9.073499][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.073670][  T196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.073855][  T196] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.074387][  T196] RSP: 0018:ffa0000000627aa8 EFLAGS: 00010286
[    9.074557][  T196] RAX: 00000000ffffffa6 RBX: ff11000008eb6f40 RCX: 1ff40000000c4f1b
[    9.074770][  T196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008eb6ff0
[    9.074976][  T196] RBP: ff1100000cb94000 R08: 1fe22000011d6dff R09: ff1100000c8b8b80
[    9.075183][  T196] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.075389][  T196] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cb94000
[    9.075591][  T196] FS:  00007f839566a840(0000) GS:ff11000089e05000(0000) knlGS:0000000000000000
[    9.075831][  T196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.076008][  T196] CR2: 0000000000479648 CR3: 000000000d459004 CR4: 0000000000771ef0
[    9.076206][  T196] PKRU: 55555554
[    9.076307][  T196] Call Trace:
[    9.076406][  T196]  <TASK>
[    9.076525][  T196]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[    9.076664][  T196]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.076800][  T196]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.076938][  T196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.077076][  T196]  register_netdevice (net/core/dev.c:11488)
[    9.077212][  T196]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.077377][  T196]  register_netdev (net/core/dev.c:11552)
[    9.077506][  T196]  loopback_net_init (drivers/net/loopback.c:218)
[    9.077639][  T196]  ops_init (net/core/net_namespace.c:137)
[    9.077742][  T196]  setup_net (net/core/net_namespace.c:446)
[    9.077843][  T196]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.077978][  T196]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.078124][  T196]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.078257][  T196]  copy_net_ns (net/core/net_namespace.c:579)
[    9.078392][  T196]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.078528][  T196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.078663][  T196]  ksys_unshare (kernel/fork.c:3243)
[    9.078800][  T196]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.078936][  T196]  ? __ia32_sys_open (fs/open.c:1374)
[    9.079085][  T196]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.079215][  T196]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.079350][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.079480][  T196]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.079616][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.079756][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.079922][  T196] RIP: 0033:0x7f839592cbcb
[    9.080069][  T196] 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
[    9.080539][  T196] RSP: 002b:00007ffd07ea4ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.080741][  T196] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f839592cbcb
[    9.080938][  T196] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.081140][  T196] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.081335][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd07ea70f0
[    9.081529][  T196] R13: 0000000000000001 R14: 00007f839566a6f8 R15: 00007ffd07ea783e
| [    9.130723][  T200] ------------[ cut here ]------------
| [    9.130942][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/200
| [    9.131293][  T200] Modules linked in: netdevsim
| [    9.131826][  T200] Tainted: [W]=WARN
[    9.131944][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.132167][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.132369][  T200] 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
[    9.132904][  T200] RSP: 0018:ffa0000000837310 EFLAGS: 00010286
[    9.133101][  T200] RAX: 00000000ffffffa6 RBX: ff11000009b381c0 RCX: 1ff4000000106e28
[    9.133326][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b38270
[    9.133552][  T200] RBP: ff11000008dfa000 R08: 1fe220000136704f R09: ff1100000bd7aed0
[    9.133780][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.134082][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.134312][  T200] FS:  00007fc0113fa840(0000) GS:ff11000089f05000(0000) knlGS:0000000000000000
[    9.134579][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.134774][  T200] CR2: 00007fc0115fbc20 CR3: 000000000d459005 CR4: 0000000000771ef0
[    9.135066][  T200] PKRU: 55555554
[    9.135179][  T200] Call Trace:
[    9.135292][  T200]  <TASK>
[    9.135369][  T200]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.135563][  T200]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.135753][  T200]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[    9.135909][  T200]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.136131][  T200]  ? 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)
[    9.136285][  T200]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.136434][  T200]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[    9.136584][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.136734][  T200]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.136892][  T200] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.137110][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.137260][  T200] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.137447][  T200] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.137638][  T200] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    9.137838][  T200]  devlink_reload (net/devlink/dev.c:462)
[    9.138057][  T200]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[    9.138214][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[    9.138330][  T200]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    9.138446][  T200]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    9.138599][  T200]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    9.138791][  T200]  ? __nla_validate_parse (lib/nlattr.c:635)
[    9.138942][  T200]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.139163][  T200]  ? __nla_parse (lib/nlattr.c:732)
[    9.139319][  T200]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    9.139471][  T200]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    9.139663][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.139820][  T200]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.139975][  T200]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.140248][  T200]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    9.140401][  T200]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    9.140583][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.140773][  T200]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[    9.140921][  T200]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.141159][  T200]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[    9.141313][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.141464][  T200]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    9.141614][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.141770][  T200]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    9.141924][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.142172][  T200]  ? 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))
[    9.142322][  T200]  ? 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))
[    9.142472][  T200]  genl_rcv (net/netlink/genetlink.c:1218)
[    9.142587][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.142749][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.142902][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.143144][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.143293][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.143444][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.143597][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.143753][  T200]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    9.143923][  T200]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    9.144191][  T200]  ? build_open_flags (fs/open.c:1212)
[    9.144346][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    9.144496][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[    9.144646][  T200]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    9.144801][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.144987][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.145205][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.145353][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.145501][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.145649][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.145803][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.145986][  T200] RIP: 0033:0x7fc01163408e
[    9.146209][  T200] 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
[    9.146734][  T200] RSP: 002b:00007ffc66fd7a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.146963][  T200] RAX: ffffffffffffffda RBX: 000000003bd20980 RCX: 00007fc01163408e
[    9.147197][  T200] RDX: 0000000000000040 RSI: 000000003bd20ba0 RDI: 0000000000000005
[    9.147420][  T200] RBP: 00007ffc66fd7a10 R08: 00007fc0118e8980 R09: 000000000000000c
[    9.147641][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    9.147866][  T200] R13: 000000003bd20980 R14: 0000000000000000 R15: 0000000000000001
| [    9.192623][  T200] ------------[ cut here ]------------
| [    9.192819][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/200
| [    9.193137][  T200] Modules linked in: netdevsim
| [    9.193606][  T200] Tainted: [W]=WARN
[    9.193725][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.193922][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.194127][  T200] 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
[    9.194669][  T200] RSP: 0018:ffa0000000837268 EFLAGS: 00010286
[    9.194867][  T200] RAX: 00000000ffffffa6 RBX: ff11000004d22f40 RCX: 1ff4000000106e13
[    9.195124][  T200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d22ff0
[    9.195352][  T200] RBP: ff1100000c5f2000 R08: 1fe22000009a45ff R09: ff1100000bd7aed0
[    9.195579][  T200] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.195815][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5f2000
[    9.196051][  T200] FS:  00007fc0113fa840(0000) GS:ff11000089f05000(0000) knlGS:0000000000000000
[    9.196318][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.196509][  T200] CR2: 00007fc0115fbc20 CR3: 000000000d459005 CR4: 0000000000771ef0
[    9.196744][  T200] PKRU: 55555554
[    9.196860][  T200] Call Trace:
[    9.196974][  T200]  <TASK>
[    9.197060][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.197213][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.197329][  T200]  register_netdevice (net/core/dev.c:11488)
[    9.197484][  T200]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.197672][  T200]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.197834][  T200] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.198037][  T200] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.198191][  T200] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.198380][  T200]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.198531][  T200]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.198722][  T200]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[    9.198881][  T200]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.199002][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.199155][  T200]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.199348][  T200] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[    9.199542][  T200]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[    9.199732][  T200]  devlink_reload (net/devlink/dev.c:475)
[    9.199890][  T200]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[    9.200046][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[    9.200163][  T200]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    9.200280][  T200]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    9.200431][  T200]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    9.200617][  T200]  ? __nla_validate_parse (lib/nlattr.c:635)
[    9.200775][  T200]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.200927][  T200]  ? __nla_parse (lib/nlattr.c:732)
[    9.201084][  T200]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    9.201239][  T200]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    9.201427][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.201577][  T200]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.201729][  T200]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.201887][  T200]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    9.202047][  T200]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    9.202245][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.202521][  T200]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[    9.202754][  T200]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.202984][  T200]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[    9.203260][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.203416][  T200]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    9.203567][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.203718][  T200]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    9.203880][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.204048][  T200]  ? 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))
[    9.204202][  T200]  ? 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))
[    9.204358][  T200]  genl_rcv (net/netlink/genetlink.c:1218)
[    9.204472][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.204626][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.204784][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.204944][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.205106][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.205258][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.205414][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.205570][  T200]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    9.205726][  T200]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    9.205893][  T200]  ? build_open_flags (fs/open.c:1212)
[    9.206059][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    9.206217][  T200]  ? __ia32_sys_open (fs/open.c:1374)
[    9.206373][  T200]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    9.206529][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.206722][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.206878][  T200]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.207039][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.207192][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.207342][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.207494][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.207686][  T200] RIP: 0033:0x7fc01163408e
[    9.207852][  T200] 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
[    9.208401][  T200] RSP: 002b:00007ffc66fd7a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.208634][  T200] RAX: ffffffffffffffda RBX: 000000003bd20980 RCX: 00007fc01163408e
[    9.208867][  T200] RDX: 0000000000000040 RSI: 000000003bd20ba0 RDI: 0000000000000005
[    9.209103][  T200] RBP: 00007ffc66fd7a10 R08: 00007fc0118e8980 R09: 000000000000000c
[    9.209332][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    9.209562][  T200] R13: 000000003bd20980 R14: 0000000000000000 R15: 0000000000000001
| [    9.259067][  T206] ------------[ cut here ]------------
| [    9.259334][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/206
| [    9.259763][  T206] Modules linked in: netdevsim
| [    9.261304][  T206] Tainted: [W]=WARN
[    9.261494][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.261807][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.262082][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.262762][  T206] RSP: 0018:ffa0000000687310 EFLAGS: 00010286
[    9.263015][  T206] RAX: 00000000ffffffa6 RBX: ff11000004d20ac0 RCX: 1ff40000000d0e28
[    9.263316][  T206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d20b70
[    9.263586][  T206] RBP: ff1100000bf52000 R08: 1fe22000009a416f R09: ff1100000c930bd0
[    9.263870][  T206] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.264165][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.264437][  T206] FS:  00007f2dd68fd840(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[    9.264753][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.265049][  T206] CR2: 00007f2dd6afec20 CR3: 00000000104d0004 CR4: 0000000000771ef0
[    9.265331][  T206] PKRU: 55555554
[    9.265491][  T206] Call Trace:
[    9.265652][  T206]  <TASK>
[    9.265786][  T206]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.266040][  T206]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.266274][  T206]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[    9.266473][  T206]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.266671][  T206]  ? 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)
[    9.266881][  T206]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.267092][  T206]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[    9.267289][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.267489][  T206]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.267690][  T206] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.267907][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.268120][  T206] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.268360][  T206] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.268616][  T206] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    9.268866][  T206]  devlink_reload (net/devlink/dev.c:462)
[    9.269079][  T206]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[    9.269276][  T206]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[    9.269447][  T206]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    9.269610][  T206]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    9.269820][  T206]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    9.270063][  T206]  ? __nla_validate_parse (lib/nlattr.c:635)
[    9.270263][  T206]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.270460][  T206]  ? __nla_parse (lib/nlattr.c:732)
[    9.270659][  T206]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    9.270896][  T206]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    9.271152][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.271351][  T206]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.271548][  T206]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.271755][  T206]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    9.271966][  T206]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    9.272278][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.272515][  T206]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[    9.272707][  T206]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.272918][  T206]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[    9.273170][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.273403][  T206]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    9.273602][  T206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.273804][  T206]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    9.274015][  T206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.274217][  T206]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.274417][  T206]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.274615][  T206]  genl_rcv (net/netlink/genetlink.c:1218)
[    9.274781][  T206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.274980][  T206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.275190][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.275416][  T206]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.275616][  T206]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.275821][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.276037][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.276253][  T206]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    9.276450][  T206]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    9.276648][  T206]  ? build_open_flags (fs/open.c:1212)
[    9.276859][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    9.277073][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[    9.277273][  T206]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    9.277468][  T206]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.277714][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.277927][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.278150][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.278362][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.278558][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.278764][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.279008][  T206] RIP: 0033:0x7f2dd6b3708e
[    9.279214][  T206] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.279843][  T206] RSP: 002b:00007ffe91be0a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.280128][  T206] RAX: ffffffffffffffda RBX: 00000000347c3980 RCX: 00007f2dd6b3708e
[    9.280398][  T206] RDX: 0000000000000040 RSI: 00000000347c3ba0 RDI: 0000000000000005
[    9.280671][  T206] RBP: 00007ffe91be0a50 R08: 00007f2dd6deb980 R09: 000000000000000c
[    9.280947][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    9.281226][  T206] R13: 00000000347c3980 R14: 0000000000000000 R15: 0000000000000001
| [    9.323682][  T206] ------------[ cut here ]------------
| [    9.323925][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink/206
| [    9.324304][  T206] Modules linked in: netdevsim
| [    9.324877][  T206] Tainted: [W]=WARN
[    9.325056][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.325297][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.325578][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.326202][  T206] RSP: 0018:ffa0000000687268 EFLAGS: 00010286
[    9.326448][  T206] RAX: 00000000ffffffa6 RBX: ff11000004d216c0 RCX: 1ff40000000d0e13
[    9.326736][  T206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d21770
[    9.327041][  T206] RBP: ff1100000c01a000 R08: 1fe22000009a42ef R09: ff1100000c930bd0
[    9.327322][  T206] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.327607][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c01a000
[    9.327893][  T206] FS:  00007f2dd68fd840(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[    9.328231][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.328466][  T206] CR2: 00007f2dd6afec20 CR3: 00000000104d0004 CR4: 0000000000771ef0
[    9.328745][  T206] PKRU: 55555554
[    9.328905][  T206] Call Trace:
[    9.329079][  T206]  <TASK>
[    9.329204][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.329424][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.329597][  T206]  register_netdevice (net/core/dev.c:11488)
[    9.329807][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.330066][  T206]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.330301][  T206] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.330550][  T206] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.330760][  T206] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.331014][  T206]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.331214][  T206]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.331464][  T206]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[    9.331672][  T206]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.331842][  T206]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.332071][  T206]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.332324][  T206] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[    9.332564][  T206]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[    9.332817][  T206]  devlink_reload (net/devlink/dev.c:475)
[    9.333052][  T206]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[    9.333253][  T206]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[    9.333415][  T206]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    9.333579][  T206]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    9.333790][  T206]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    9.334037][  T206]  ? __nla_validate_parse (lib/nlattr.c:635)
[    9.334238][  T206]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.334450][  T206]  ? __nla_parse (lib/nlattr.c:732)
[    9.334650][  T206]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    9.334858][  T206]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    9.335110][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.335312][  T206]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.335521][  T206]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.335745][  T206]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    9.335956][  T206]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    9.336230][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.336479][  T206]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[    9.336697][  T206]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.336901][  T206]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[    9.337126][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.337329][  T206]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    9.337528][  T206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.337725][  T206]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    9.337932][  T206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.338159][  T206]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.338360][  T206]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.338561][  T206]  genl_rcv (net/netlink/genetlink.c:1218)
[    9.338722][  T206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.338930][  T206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.339142][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.339343][  T206]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.339558][  T206]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.339773][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.339975][  T206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.340190][  T206]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    9.340389][  T206]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    9.340619][  T206]  ? build_open_flags (fs/open.c:1212)
[    9.340831][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    9.341047][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[    9.341247][  T206]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    9.341468][  T206]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.341704][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.341907][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.342116][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.342318][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.342523][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.342725][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.342986][  T206] RIP: 0033:0x7f2dd6b3708e
[    9.343222][  T206] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.343837][  T206] RSP: 002b:00007ffe91be0a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.344145][  T206] RAX: ffffffffffffffda RBX: 00000000347c3980 RCX: 00007f2dd6b3708e
[    9.344530][  T206] RDX: 0000000000000040 RSI: 00000000347c3ba0 RDI: 0000000000000005
[    9.344859][  T206] RBP: 00007ffe91be0a50 R08: 00007f2dd6deb980 R09: 000000000000000c
[    9.345157][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    9.345451][  T206] R13: 00000000347c3980 R14: 0000000000000000 R15: 0000000000000001
| [    9.397559][  T211] ------------[ cut here ]------------
| [    9.397780][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/211
| [    9.398177][  T211] Modules linked in: netdevsim
| [    9.398735][  T211] Tainted: [W]=WARN
[    9.398855][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.399053][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.399249][  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
[    9.399812][  T211] RSP: 0018:ffa00000005e7310 EFLAGS: 00010286
[    9.400006][  T211] RAX: 00000000ffffffa6 RBX: ff1100000930af40 RCX: 1ff40000000bce28
[    9.400232][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000930aff0
[    9.400455][  T211] RBP: ff1100000bdc2000 R08: 1fe22000012615ff R09: ff1100000c610bd0
[    9.400679][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.400919][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.401154][  T211] FS:  00007f3a1f9cf840(0000) GS:ff11000089f05000(0000) knlGS:0000000000000000
[    9.401418][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.401611][  T211] CR2: 000055a172b84d5c CR3: 0000000009c83002 CR4: 0000000000771ef0
[    9.401847][  T211] PKRU: 55555554
[    9.401960][  T211] Call Trace:
[    9.402108][  T211]  <TASK>
[    9.402189][  T211]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.402382][  T211]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.402567][  T211]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[    9.402722][  T211]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.402887][  T211]  ? 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)
[    9.403045][  T211]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.403206][  T211]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[    9.403356][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.403505][  T211]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.403659][  T211] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.403821][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.403976][  T211] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.404174][  T211] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.404366][  T211] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    9.404556][  T211]  devlink_reload (net/devlink/dev.c:462)
[    9.404707][  T211]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[    9.404863][  T211]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[    9.404978][  T211]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    9.405103][  T211]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    9.405255][  T211]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    9.405442][  T211]  ? __nla_validate_parse (lib/nlattr.c:635)
[    9.405592][  T211]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.405748][  T211]  ? __nla_parse (lib/nlattr.c:732)
[    9.405905][  T211]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    9.406070][  T211]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    9.406259][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.406415][  T211]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.406569][  T211]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.406721][  T211]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    9.406881][  T211]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    9.407073][  T211]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.407259][  T211]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[    9.407409][  T211]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.407559][  T211]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[    9.407708][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.407865][  T211]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    9.408021][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.408169][  T211]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    9.408319][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.408472][  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))
[    9.408622][  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))
[    9.408778][  T211]  genl_rcv (net/netlink/genetlink.c:1218)
[    9.408890][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.409051][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.409199][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.409350][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.409506][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.409659][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.409830][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.409987][  T211]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    9.410202][  T211]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    9.410366][  T211]  ? build_open_flags (fs/open.c:1212)
[    9.410522][  T211]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[    9.410675][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    9.410833][  T211]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    9.410983][  T211]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.411176][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.411324][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.411471][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.411626][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.411785][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.411944][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.412176][  T211] RIP: 0033:0x7f3a1fc0908e
[    9.412336][  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
[    9.412867][  T211] RSP: 002b:00007ffd9adcfdc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.413096][  T211] RAX: ffffffffffffffda RBX: 0000000027bb9980 RCX: 00007f3a1fc0908e
[    9.413328][  T211] RDX: 0000000000000040 RSI: 0000000027bb9ba0 RDI: 0000000000000005
[    9.413560][  T211] RBP: 00007ffd9adcfdd0 R08: 00007f3a1febd980 R09: 000000000000000c
[    9.413790][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    9.414027][  T211] R13: 0000000027bb9980 R14: 0000000000000000 R15: 0000000000000001
| [    9.461258][  T211] ------------[ cut here ]------------
| [    9.461453][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink/211
| [    9.461788][  T211] Modules linked in: netdevsim
| [    9.462660][  T211] Tainted: [W]=WARN
[    9.462783][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.462972][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.463179][  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
[    9.463715][  T211] RSP: 0018:ffa00000005e7268 EFLAGS: 00010286
[    9.463912][  T211] RAX: 00000000ffffffa6 RBX: ff11000004b1a4c0 RCX: 1ff40000000bce13
[    9.464145][  T211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b1a570
[    9.464371][  T211] RBP: ff1100000c052000 R08: 1fe22000009634af R09: ff1100000c610bd0
[    9.464615][  T211] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.464846][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c052000
[    9.465083][  T211] FS:  00007f3a1f9cf840(0000) GS:ff11000089f05000(0000) knlGS:0000000000000000
[    9.465348][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.465538][  T211] CR2: 000055a172b84d5c CR3: 0000000009c83002 CR4: 0000000000771ef0
[    9.465768][  T211] PKRU: 55555554
[    9.465881][  T211] Call Trace:
[    9.466000][  T211]  <TASK>
[    9.466079][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.466234][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.466350][  T211]  register_netdevice (net/core/dev.c:11488)
[    9.466503][  T211]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.466689][  T211]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.466848][  T211] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.467052][  T211] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.467209][  T211] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.467400][  T211]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.467550][  T211]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.467741][  T211]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[    9.467892][  T211]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.468013][  T211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.468166][  T211]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.468357][  T211] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[    9.468549][  T211]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[    9.468736][  T211]  devlink_reload (net/devlink/dev.c:475)
[    9.468892][  T211]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[    9.469046][  T211]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1196 fs/file.c:1210)
[    9.469162][  T211]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    9.469277][  T211]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    9.469428][  T211]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    9.469617][  T211]  ? __nla_validate_parse (lib/nlattr.c:635)
[    9.469773][  T211]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.469924][  T211]  ? __nla_parse (lib/nlattr.c:732)
[    9.470146][  T211]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    9.470299][  T211]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[    9.470489][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.470640][  T211]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.470793][  T211]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.470947][  T211]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[    9.471147][  T211]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[    9.471333][  T211]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.471520][  T211]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:262)
[    9.471670][  T211]  ? devlink_reload (./include/net/net_namespace.h:412 (discriminator 8))
[    9.471827][  T211]  ? devlink_nl_post_doit (net/devlink/netlink.c:307)
[    9.471978][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.472139][  T211]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[    9.472295][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.472445][  T211]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[    9.472598][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.472757][  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))
[    9.472909][  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))
[    9.473067][  T211]  genl_rcv (net/netlink/genetlink.c:1218)
[    9.473181][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.473332][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.473483][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.473636][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.473792][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.473943][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.474101][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.474256][  T211]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    9.474408][  T211]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    9.474561][  T211]  ? build_open_flags (fs/open.c:1212)
[    9.474717][  T211]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[    9.474871][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    9.475031][  T211]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    9.475180][  T211]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.475366][  T211]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.475515][  T211]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.475664][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.475840][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.476000][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.476152][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.476358][  T211] RIP: 0033:0x7f3a1fc0908e
[    9.476527][  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
[    9.477084][  T211] RSP: 002b:00007ffd9adcfdc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.477310][  T211] RAX: ffffffffffffffda RBX: 0000000027bb9980 RCX: 00007f3a1fc0908e
[    9.477536][  T211] RDX: 0000000000000040 RSI: 0000000027bb9ba0 RDI: 0000000000000005
[    9.477789][  T211] RBP: 00007ffd9adcfdd0 R08: 00007f3a1febd980 R09: 000000000000000c
[    9.478019][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    9.478243][  T211] R13: 0000000027bb9980 R14: 0000000000000000 R15: 0000000000000001
| [    9.518554][  T213] ------------[ cut here ]------------
| [    9.518806][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/213
| [    9.519116][  T213] Modules linked in: netdevsim
| [    9.519717][  T213] Tainted: [W]=WARN
[    9.519878][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.520164][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.520390][  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
[    9.520952][  T213] RSP: 0018:ffa00000005c71b0 EFLAGS: 00010286
[    9.521252][  T213] RAX: 00000000ffffffa6 RBX: ff11000004b1b6c0 RCX: 1ff40000000b8dfc
[    9.521602][  T213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004b1b770
[    9.521866][  T213] RBP: ff1100000be21000 R08: 1fe22000009636ef R09: ff1100000cadaea8
[    9.522133][  T213] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.522394][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.522647][  T213] FS:  00007f2fe767a840(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[    9.522942][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.523227][  T213] CR2: 00000000004a77b8 CR3: 0000000009c83004 CR4: 0000000000771ef0
[    9.523485][  T213] PKRU: 55555554
[    9.523645][  T213] Call Trace:
[    9.523814][  T213]  <TASK>
[    9.523969][  T213]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.524199][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.524385][  T213]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.524579][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.524732][  T213]  ? rtnl_newlink_create (./include/linux/netdevice.h:2830 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/rtnetlink.c:3912)
[    9.524924][  T213]  __dev_notify_flags (net/core/dev.c:9787)
[    9.525124][  T213]  ? netif_change_name (net/core/dev.c:1495)
[    9.525311][  T213]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.525532][  T213]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.525717][  T213]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.525912][  T213]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.526109][  T213]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.526296][  T213]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.526487][  T213]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.526674][  T213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.526872][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.527072][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.527257][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.527441][  T213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.527623][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.527820][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.528019][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.528202][  T213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.528387][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.528570][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.528760][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.528946][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.529143][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.529330][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.529512][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.529697][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.529891][  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))
[    9.530089][  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))
[    9.530277][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.530462][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.530645][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.530840][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.531041][  T213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.531225][  T213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.531411][  T213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.531595][  T213]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.531788][  T213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.532015][  T213]  ? move_addr_to_kernel (net/socket.c:258)
[    9.532201][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.532385][  T213]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.532568][  T213]  ___sys_sendmsg (net/socket.c:2752)
[    9.532755][  T213]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.532939][  T213]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.533142][  T213]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.533331][  T213]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[    9.533516][  T213]  __sys_sendmsg (net/socket.c:2784)
[    9.533698][  T213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.533893][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.534093][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.534281][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.534463][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.534648][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.534839][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.535071][  T213] RIP: 0033:0x7f2fe78b408e
[    9.535261][  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
[    9.535798][  T213] RSP: 002b:00007ffec58a9f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.536068][  T213] RAX: ffffffffffffffda RBX: 00007ffec58aa6c0 RCX: 00007f2fe78b408e
[    9.536318][  T213] RDX: 0000000000000000 RSI: 00007ffec58a9fc0 RDI: 0000000000000005
[    9.536570][  T213] RBP: 00007ffec58a9f20 R08: 0000000000000000 R09: 0000000000000000
[    9.536828][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d651
[    9.537092][  T213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec58aa690
| [    9.565090][  T214] ------------[ cut here ]------------
| [    9.565350][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [    9.565638][  T214] Modules linked in: netdevsim
| [    9.566902][  T214] Tainted: [W]=WARN
[    9.567140][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.567441][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.567716][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.568291][  T214] RSP: 0018:ffa0000000537020 EFLAGS: 00010286
[    9.568513][  T214] RAX: 00000000ffffffa6 RBX: ff1100000c5601c0 RCX: 1ff40000000a6dca
[    9.568777][  T214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c560270
[    9.569094][  T214] RBP: ff1100000be21000 R08: 1fe22000018ac04f R09: ff1100000cad8b80
[    9.569349][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.569602][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.569866][  T214] FS:  00007fd0f6a42840(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[    9.570171][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.570391][  T214] CR2: 00007fd0f6d121a0 CR3: 0000000009c83006 CR4: 0000000000771ef0
[    9.570646][  T214] PKRU: 55555554
[    9.570805][  T214] Call Trace:
[    9.570959][  T214]  <TASK>
[    9.571094][  T214]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    9.571281][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.571468][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.571621][  T214]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.571814][  T214]  __dev_notify_flags (net/core/dev.c:9787)
[    9.572021][  T214]  ? netif_change_name (net/core/dev.c:1495)
[    9.572209][  T214]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.572399][  T214]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.572585][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.572775][  T214]  ? 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))
[    9.572961][  T214]  netif_change_flags (net/core/dev.c:9820)
[    9.573159][  T214]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.573342][  T214]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.573524][  T214]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.573749][  T214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.573931][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.574127][  T214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.574308][  T214]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.574491][  T214]  ? __kernel_text_address (kernel/extable.c:79)
[    9.574673][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.574867][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.575068][  T214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.575249][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.575429][  T214]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.575608][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.575797][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.575977][  T214]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.576172][  T214]  ? __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)
[    9.576354][  T214]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.576535][  T214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.576718][  T214]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.576910][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.577109][  T214]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.577292][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.577472][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.577653][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.577844][  T214]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.578040][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.578226][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.578406][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.578587][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.578780][  T214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.578964][  T214]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.579160][  T214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.579345][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.579525][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.579705][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.579892][  T214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.580085][  T214]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.580267][  T214]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.580446][  T214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.580627][  T214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.580823][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.581016][  T214]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.581200][  T214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.581382][  T214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.581562][  T214]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.581752][  T214]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.581935][  T214]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.582132][  T214]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.582315][  T214]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.582494][  T214]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.582674][  T214]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.582892][  T214]  ? move_addr_to_kernel (net/socket.c:258)
[    9.583092][  T214]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.583271][  T214]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.583456][  T214]  ___sys_sendmsg (net/socket.c:2752)
[    9.583634][  T214]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.583866][  T214]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.584074][  T214]  __sys_sendmsg (net/socket.c:2784)
[    9.584256][  T214]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.584435][  T214]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.584650][  T214]  ? 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)
[    9.584861][  T214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.585066][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.585245][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.585426][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.585610][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.585832][  T214] RIP: 0033:0x7fd0f6c7c08e
[    9.586034][  T214] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.586567][  T214] RSP: 002b:00007ffe85083570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.586819][  T214] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd0f6c7c08e
[    9.587074][  T214] RDX: 0000000000000000 RSI: 00007ffe85083620 RDI: 0000000000000005
[    9.587320][  T214] RBP: 00007ffe85083580 R08: 0000000000000000 R09: 0000000000000000
[    9.587563][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d651
[    9.587815][  T214] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe85083cf0
| [   23.870253][  T621] ------------[ cut here ]------------
| [   23.870482][  T621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/621
| [   23.870785][  T621] Modules linked in: netdevsim
| [   23.872104][  T621] Tainted: [W]=WARN
[   23.872313][  T621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.872572][  T621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.872806][  T621] 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
[   23.873337][  T621] RSP: 0018:ffa0000001047010 EFLAGS: 00010286
[   23.873570][  T621] RAX: 00000000ffffffa6 RBX: ff1100000be0d3c0 RCX: 1ff4000000208dc8
[   23.873832][  T621] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000be0d470
[   23.874096][  T621] RBP: ff1100000be21000 R08: 1fe22000017c1a8f R09: ff1100000cb85180
[   23.874354][  T621] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   23.874610][  T621] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000001047100
[   23.874873][  T621] FS:  00007fa2cf461840(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[   23.875201][  T621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.875412][  T621] CR2: 00007fa2cf7311a0 CR3: 000000000bea2001 CR4: 0000000000771ef0
[   23.875667][  T621] PKRU: 55555554
[   23.875819][  T621] Call Trace:
[   23.875964][  T621]  <TASK>
[   23.876094][  T621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.876278][  T621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.876437][  T621]  netif_close_many (net/core/dev.c:1804)
[   23.876618][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.876813][  T621]  ? __dev_close_many (net/core/dev.c:1781)
[   23.877014][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.877207][  T621]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   23.877394][  T621]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.877578][  T621]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   23.877817][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.878016][  T621]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.878234][  T621]  ? 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)
[   23.878423][  T621]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.878639][  T621]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.878893][  T621]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.879098][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.879297][  T621]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.879491][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.879676][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.879867][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.880075][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.880265][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.880476][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.880665][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.880859][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.881060][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.881248][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.881449][  T621]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   23.881642][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.881838][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.882040][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.882235][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.882425][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.882613][  T621]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.882806][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.883013][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.883198][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.883389][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.883577][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.883767][  T621]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.883957][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.884161][  T621]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.884354][  T621]  ? 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))
[   23.884545][  T621]  ? 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))
[   23.884738][  T621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.884941][  T621]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.885146][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.885339][  T621]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.885529][  T621]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.885720][  T621]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.885929][  T621]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.886160][  T621]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.886353][  T621]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.886571][  T621]  ? move_addr_to_kernel (net/socket.c:258)
[   23.886755][  T621]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.886966][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.887167][  T621]  ___sys_sendmsg (net/socket.c:2752)
[   23.887346][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.887559][  T621]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.887750][  T621]  __sys_sendmsg (net/socket.c:2784)
[   23.887952][  T621]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.888156][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.888374][  T621]  ? 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)
[   23.888553][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.888736][  T621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.888923][  T621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.889116][  T621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.889315][  T621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.889541][  T621] RIP: 0033:0x7fa2cf69b08e
[   23.889739][  T621] 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
[   23.890291][  T621] RSP: 002b:00007ffe1c0c7000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.890537][  T621] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa2cf69b08e
[   23.890791][  T621] RDX: 0000000000000000 RSI: 00007ffe1c0c70b0 RDI: 0000000000000005
[   23.891085][  T621] RBP: 00007ffe1c0c7010 R08: 0000000000000000 R09: 0000000000000000
[   23.891343][  T621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d660
[   23.891600][  T621] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1c0c7780
| [   23.896529][  T621] ------------[ cut here ]------------
| [   23.896680][  T621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/621
| [   23.896915][  T621] Modules linked in: netdevsim
| [   23.897384][  T621] Tainted: [W]=WARN
[   23.897478][  T621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.897633][  T621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.897800][  T621] 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
[   23.898255][  T621] RSP: 0018:ffa0000001047190 EFLAGS: 00010286
[   23.898418][  T621] RAX: 00000000ffffffa6 RBX: ff11000009b38c40 RCX: 1ff4000000208df8
[   23.898603][  T621] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b38cf0
[   23.898796][  T621] RBP: ff1100000be21000 R08: 1fe220000136719f R09: ff1100000cb85158
[   23.899000][  T621] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   23.899190][  T621] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.899382][  T621] FS:  00007fa2cf461840(0000) GS:ff11000089d85000(0000) knlGS:0000000000000000
[   23.899608][  T621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.899864][  T621] CR2: 00007f1230833000 CR3: 000000000bea2006 CR4: 0000000000771ef0
[   23.900061][  T621] PKRU: 55555554
[   23.900155][  T621] Call Trace:
[   23.900253][  T621]  <TASK>
[   23.900400][  T621]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.900562][  T621]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.900720][  T621]  ? 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)
[   23.900854][  T621]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.901071][  T621]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   23.901227][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.901356][  T621]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   23.901481][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.901688][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.901821][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.901944][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.902161][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.902305][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.902434][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.902559][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.902683][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.902893][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.903030][  T621]  ? bpf_address_lookup (./include/linux/rcupdate.h:839 (discriminator 7) kernel/bpf/core.c:725 (discriminator 7))
[   23.903157][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.903283][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.903492][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.903620][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.903748][  T621]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   23.903882][  T621]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.904102][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.904226][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.904353][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.904485][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.904686][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.904841][  T621]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.904968][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.905180][  T621]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.905313][  T621]  ? 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))
[   23.905438][  T621]  ? 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))
[   23.905567][  T621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.905694][  T621]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.905906][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.906039][  T621]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.906167][  T621]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.906293][  T621]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.906506][  T621]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.906630][  T621]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.906758][  T621]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.907006][  T621]  ? move_addr_to_kernel (net/socket.c:258)
[   23.907134][  T621]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.907260][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.907390][  T621]  ___sys_sendmsg (net/socket.c:2752)
[   23.907517][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.907679][  T621]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.907858][  T621]  __sys_sendmsg (net/socket.c:2784)
[   23.907985][  T621]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.908194][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.908349][  T621]  ? 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)
[   23.908473][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.908598][  T621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.908718][  T621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.908847][  T621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.908970][  T621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.909129][  T621] RIP: 0033:0x7fa2cf69b08e
[   23.909259][  T621] 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
[   23.909783][  T621] RSP: 002b:00007ffe1c0c7000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.909982][  T621] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa2cf69b08e
[   23.910185][  T621] RDX: 0000000000000000 RSI: 00007ffe1c0c70b0 RDI: 0000000000000005
[   23.910373][  T621] RBP: 00007ffe1c0c7010 R08: 0000000000000000 R09: 0000000000000000
[   23.910558][  T621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d660
[   23.910742][  T621] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1c0c7780
| [   23.956137][   T12] ------------[ cut here ]------------
| [   23.956358][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   23.956653][   T12] Modules linked in: netdevsim
| [   23.957424][   T12] Tainted: [W]=WARN
[   23.957611][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.957796][   T12] Workqueue: netns cleanup_net
[   23.957956][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.958149][   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
[   23.958640][   T12] RSP: 0018:ffa00000000c7610 EFLAGS: 00010286
[   23.958877][   T12] RAX: 00000000ffffffa6 RBX: ff11000009b39240 RCX: 1ff4000000018e88
[   23.959095][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b392f0
[   23.959304][   T12] RBP: ff1100000c5f2000 R08: 1fe220000136725f R09: ff11000001b05220
[   23.959511][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   23.959716][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.959928][   T12] FS:  0000000000000000(0000) GS:ff11000089e05000(0000) knlGS:0000000000000000
[   23.960174][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.960348][   T12] CR2: 000055a1902917c8 CR3: 0000000019939002 CR4: 0000000000771ef0
[   23.960557][   T12] PKRU: 55555554
[   23.960661][   T12] Call Trace:
[   23.960765][   T12]  <TASK>
[   23.960841][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.961026][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.961196][   T12]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   23.961337][   T12]  ? netdev_run_todo (net/core/dev.c:11703)
[   23.961477][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.961622][   T12]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   23.961760][   T12]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   23.961908][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.962055][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.962195][   T12] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   23.962368][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.962510][   T12] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   23.962685][   T12] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   23.962865][   T12] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   23.963042][   T12]  devlink_reload (net/devlink/dev.c:462)
[   23.963180][   T12]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   23.963319][   T12]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   23.963460][   T12]  ? __devlinks_xa_find_get (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/devlink/core.c:364 (discriminator 2))
[   23.963602][   T12]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   23.963739][   T12]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   23.963882][   T12]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   23.964030][   T12]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   23.964171][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   23.964310][   T12]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   23.964452][   T12]  ? 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)
[   23.964593][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   23.964731][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.964874][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   23.965026][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.965170][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.965314][   T12]  process_one_work (kernel/workqueue.c:3314)
[   23.965459][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.965599][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.965745][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.965893][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.966038][   T12]  kthread (kernel/kthread.c:436)
[   23.966143][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.966320][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.966463][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.966602][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.966780][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.966917][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.967063][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.981800][  T165] ------------[ cut here ]------------
| [   23.982124][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: hw_stats_l3.sh/165
| [   23.982533][  T165] Modules linked in: netdevsim
| [   23.983198][  T165] Tainted: [W]=WARN
[   23.983361][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.983631][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.983899][  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
[   23.984500][  T165] RSP: 0018:ffa0000000827728 EFLAGS: 00010286
[   23.984742][  T165] RAX: 00000000ffffffa6 RBX: ff11000004d23cc0 RCX: 1ff4000000104eab
[   23.985033][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d23d70
[   23.985312][  T165] RBP: ff1100000c052000 R08: 1fe22000009a47af R09: ff11000004a70c48
[   23.985583][  T165] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.985864][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.986155][  T165] FS:  00007ff11f83ab80(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[   23.986483][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.986722][  T165] CR2: 000055a19028c0a0 CR3: 000000000c5a2004 CR4: 0000000000771ef0
[   23.987017][  T165] PKRU: 55555554
[   23.987182][  T165] Call Trace:
[   23.987344][  T165]  <TASK>
[   23.987477][  T165]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.987719][  T165]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   23.987960][  T165]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   23.988247][  T165]  ? netdev_run_todo (net/core/dev.c:11703)
[   23.988509][  T165]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.988772][  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)
[   23.989062][  T165]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   23.989326][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.989600][  T165]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   23.989900][  T165] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   23.990181][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.990433][  T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   23.990668][  T165] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   23.990915][  T165] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   23.991132][  T165]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   23.991373][  T165]  bus_remove_device (drivers/base/bus.c:657)
[   23.991576][  T165]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   23.991789][  T165]  ? device_remove_file (drivers/base/core.c:3073)
[   23.992107][  T165]  device_del (drivers/base/core.c:3895)
[   23.992274][  T165]  ? __device_link_del (./include/linux/kobject.h:89)
[   23.992476][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   23.992679][  T165]  device_unregister (drivers/base/core.c:3936)
[   23.992885][  T165] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   23.993140][  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))
[   23.993341][  T165]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   23.993579][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   23.993786][  T165]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   23.993986][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   23.994259][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[   23.994424][  T165]  new_sync_write (fs/read_write.c:595)
[   23.994626][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.994828][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[   23.995060][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.995257][  T165]  ? ksys_write (fs/read_write.c:740)
[   23.995464][  T165]  vfs_write (fs/read_write.c:688)
[   23.995630][  T165]  ksys_write (fs/read_write.c:740)
[   23.995803][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[   23.996017][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.996214][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.996413][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.996612][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.996819][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.997034][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.997278][  T165] RIP: 0033:0x7ff11f8ac08e
[   23.997486][  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
[   23.998094][  T165] RSP: 002b:00007ffc087fc300 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   23.998366][  T165] RAX: ffffffffffffffda RBX: 00007ff11fa2e580 RCX: 00007ff11f8ac08e
[   23.998643][  T165] RDX: 0000000000000005 RSI: 000055a19028c0a0 RDI: 0000000000000001
[   23.998923][  T165] RBP: 00007ffc087fc310 R08: 0000000000000000 R09: 0000000000000000
[   23.999206][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   23.999476][  T165] R13: 0000000000000005 R14: 000055a19028c0a0 R15: 0000000000000000
| [   24.033174][   T12] ------------[ cut here ]------------
| [   24.033403][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   24.033760][   T12] Modules linked in: netdevsim
| [   24.034365][   T12] Tainted: [W]=WARN
[   24.034523][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.034748][   T12] Workqueue: netns cleanup_net
[   24.034951][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.035204][   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
[   24.035760][   T12] RSP: 0018:ffa00000000c7568 EFLAGS: 00010286
[   24.036010][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d22f40 RCX: 1ff4000000018e73
[   24.036270][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d22ff0
[   24.036535][   T12] RBP: ff1100000c9da000 R08: 1fe22000009a45ff R09: ff11000001b05220
[   24.036798][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   24.037071][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c9da000
[   24.037332][   T12] FS:  0000000000000000(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[   24.037633][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.037875][   T12] CR2: 000055a19028c0a0 CR3: 000000000c5a2004 CR4: 0000000000771ef0
[   24.038153][   T12] PKRU: 55555554
[   24.038306][   T12] Call Trace:
[   24.038460][   T12]  <TASK>
[   24.038581][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.038787][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.038948][   T12]  register_netdevice (net/core/dev.c:11488)
[   24.039157][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   24.039378][   T12]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   24.039573][   T12] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   24.039812][   T12] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   24.040018][   T12] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   24.040244][   T12]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   24.040441][   T12]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   24.040671][   T12]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   24.040873][   T12]  ? static_obj (kernel/locking/lockdep.c:858)
[   24.041043][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.041240][   T12]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   24.041467][   T12] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   24.041695][   T12]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   24.041932][   T12]  devlink_reload (net/devlink/dev.c:475)
[   24.042139][   T12]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   24.042330][   T12]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   24.042521][   T12]  ? __devlinks_xa_find_get (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/devlink/core.c:364 (discriminator 2))
[   24.042713][   T12]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   24.042914][   T12]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   24.043120][   T12]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   24.043317][   T12]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   24.043511][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   24.043700][   T12]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   24.043903][   T12]  ? 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)
[   24.044111][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   24.044302][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.044488][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   24.044684][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.044886][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.045094][   T12]  process_one_work (kernel/workqueue.c:3314)
[   24.045295][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.045486][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.045683][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.045890][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.046096][   T12]  kthread (kernel/kthread.c:436)
[   24.046251][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.046476][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.046671][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.046874][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.047115][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.047309][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.047506][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.050849][   T12] ------------[ cut here ]------------
| [   24.051107][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   24.051447][   T12] Modules linked in: netdevsim
| [   24.052177][   T12] Tainted: [W]=WARN
[   24.052343][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.052566][   T12] Workqueue: netns cleanup_net
[   24.052791][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.053036][   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
[   24.053572][   T12] RSP: 0018:ffa00000000c7610 EFLAGS: 00010286
[   24.053809][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d23240 RCX: 1ff4000000018e88
[   24.054215][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d232f0
[   24.054664][   T12] RBP: ff1100000c01a000 R08: 1fe22000009a465f R09: ff11000001b05220
[   24.054927][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   24.055201][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.055463][   T12] FS:  0000000000000000(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[   24.055754][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.056093][   T12] CR2: 000055a19028c0a0 CR3: 000000000c5a2004 CR4: 0000000000771ef0
[   24.056350][   T12] PKRU: 55555554
[   24.056499][   T12] Call Trace:
[   24.056652][   T12]  <TASK>
[   24.056784][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.057022][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.057336][   T12]  ? nsim_destroy (drivers/net/netdevsim/netdev.c:1188) netdevsim
[   24.057527][   T12]  ? netdev_run_todo (net/core/dev.c:11703)
[   24.057815][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.058204][   T12]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   24.058486][   T12]  ? rtnl_net_dev_lock (./include/linux/rtnetlink.h:130 net/core/dev.c:2162)
[   24.058678][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.058879][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   24.059170][   T12] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   24.059358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.059636][   T12] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   24.059868][   T12] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   24.060199][   T12] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[   24.060425][   T12]  devlink_reload (net/devlink/dev.c:462)
[   24.060613][   T12]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   24.060815][   T12]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   24.061018][   T12]  ? __devlinks_xa_find_get (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/devlink/core.c:364 (discriminator 2))
[   24.061208][   T12]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   24.061595][   T12]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   24.061794][   T12]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   24.061985][   T12]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   24.062246][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   24.062433][   T12]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   24.062717][   T12]  ? 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)
[   24.062923][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   24.063130][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.063413][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   24.063698][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.063894][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.064187][   T12]  process_one_work (kernel/workqueue.c:3314)
[   24.064379][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.064566][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.064758][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.064958][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.065166][   T12]  kthread (kernel/kthread.c:436)
[   24.065321][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.065545][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.065734][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.066039][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.066267][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.066456][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.066647][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.136767][   T12] ------------[ cut here ]------------
| [   24.136977][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   24.137277][   T12] Modules linked in: netdevsim
| [   24.137824][   T12] Tainted: [W]=WARN
[   24.137937][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.138130][   T12] Workqueue: netns cleanup_net
[   24.138286][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.138478][   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
[   24.139004][   T12] RSP: 0018:ffa00000000c7568 EFLAGS: 00010286
[   24.139189][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d28640 RCX: 1ff4000000018e73
[   24.139410][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d286f0
[   24.139626][   T12] RBP: ff1100000be2a000 R08: 1fe22000009a50df R09: ff11000001b05220
[   24.139845][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.140068][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000be2a000
[   24.140284][   T12] FS:  0000000000000000(0000) GS:ff11000089f05000(0000) knlGS:0000000000000000
[   24.140538][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.140720][   T12] CR2: 00007ff9cec19568 CR3: 0000000005567001 CR4: 0000000000771ef0
[   24.140941][   T12] PKRU: 55555554
[   24.141058][   T12] Call Trace:
[   24.141166][   T12]  <TASK>
[   24.141240][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.141386][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.141495][   T12]  register_netdevice (net/core/dev.c:11488)
[   24.141641][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   24.141821][   T12]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[   24.142002][   T12] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[   24.142189][   T12] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[   24.142335][   T12] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   24.142512][   T12]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   24.142655][   T12]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[   24.142852][   T12]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[   24.143001][   T12]  ? static_obj (kernel/locking/lockdep.c:858)
[   24.143109][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.143257][   T12]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[   24.143438][   T12] nsim_dev_reload_create (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622) netdevsim
[   24.143617][   T12]  ? devlink_reload_reinit_sanity_check (net/devlink/dev.c:437 (discriminator 1))
[   24.143825][   T12]  devlink_reload (net/devlink/dev.c:475)
[   24.143973][   T12]  ? xas_find_conflict (lib/xarray.c:207 lib/xarray.c:1568)
[   24.144122][   T12]  ? devlink_notify_unregister (net/devlink/dev.c:308)
[   24.144269][   T12]  ? __devlinks_xa_find_get (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/devlink/core.c:364 (discriminator 2))
[   24.144414][   T12]  devlink_pernet_pre_exit (net/devlink/core.c:558)
[   24.144563][   T12]  ? devlink_free (./include/linux/list.h:404 (discriminator 3))
[   24.144707][   T12]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   24.144855][   T12]  ops_undo_list (net/core/net_namespace.c:161 net/core/net_namespace.c:234)
[   24.145008][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   24.145150][   T12]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   24.145298][   T12]  ? 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)
[   24.145444][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   24.145597][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.145738][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   24.145889][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.146038][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.146183][   T12]  process_one_work (kernel/workqueue.c:3314)
[   24.146330][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.146472][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.146620][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.146766][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.146913][   T12]  kthread (kernel/kthread.c:436)
[   24.147026][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.147205][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.147350][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.147495][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.147673][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.147821][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.147964][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.151464][   T12] ------------[ cut here ]------------
| [   24.151626][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   24.151928][   T12] Modules linked in: netdevsim
| [   24.152408][   T12] Tainted: [W]=WARN
[   24.152537][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.152688][   T12] Workqueue: netns cleanup_net
[   24.152820][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.152981][   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
[   24.153417][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   24.153569][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d28f40 RCX: 1ff4000000018ed5
[   24.153755][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d28ff0
[   24.153942][   T12] RBP: ff1100000cb94000 R08: 1fe22000009a51ff R09: ff11000001b051d0
[   24.154137][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.154316][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.154502][   T12] FS:  0000000000000000(0000) GS:ff11000089f05000(0000) knlGS:0000000000000000
[   24.154715][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.154869][   T12] CR2: 00007ff9cec19568 CR3: 0000000019939002 CR4: 0000000000771ef0
[   24.155061][   T12] PKRU: 55555554
[   24.155154][   T12] Call Trace:
[   24.155245][   T12]  <TASK>
[   24.155313][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.155469][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.155624][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   24.155747][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   24.155878][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   24.156011][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   24.156133][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   24.156256][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.156377][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   24.156501][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   24.156626][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   24.156749][   T12]  ? 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)
[   24.156873][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   24.157000][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.157123][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   24.157246][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.157366][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.157490][   T12]  process_one_work (kernel/workqueue.c:3314)
[   24.157616][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.157736][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.157867][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.158003][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.158124][   T12]  kthread (kernel/kthread.c:436)
[   24.158215][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.158367][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.158488][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.158612][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.158765][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.158897][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.159025][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.162480][  T165] ------------[ cut here ]------------
| [   24.162729][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: hw_stats_l3.sh/165
| [   24.163122][  T165] Modules linked in: netdevsim
| [   24.163764][  T165] Tainted: [W]=WARN
[   24.164020][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.164317][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.164569][  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
[   24.165175][  T165] RSP: 0018:ffa0000000827728 EFLAGS: 00010286
[   24.165414][  T165] RAX: 00000000ffffffa6 RBX: ff11000004d29cc0 RCX: 1ff4000000104eab
[   24.165688][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004d29d70
[   24.165971][  T165] RBP: ff1100000be2a000 R08: 1fe22000009a53af R09: ff11000004a70c48
[   24.166258][  T165] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   24.166532][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.166814][  T165] FS:  00007ff11f83ab80(0000) GS:ff11000089e85000(0000) knlGS:0000000000000000
[   24.167234][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.167588][  T165] CR2: 0000562f66a10280 CR3: 000000000c5a2004 CR4: 0000000000771ef0
[   24.167976][  T165] PKRU: 55555554
[   24.168310][  T165] Call Trace:
[   24.168645][  T165]  <TASK>
[   24.168885][  T165]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.169251][  T165]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.169585][  T165]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   24.169832][  T165]  ? netdev_run_todo (net/core/dev.c:11703)
[   24.170045][  T165]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.170248][  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)
[   24.170454][  T165]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   24.170656][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.170865][  T165]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   24.171087][  T165] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   24.171297][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.171499][  T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   24.171739][  T165] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   24.171982][  T165] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   24.172199][  T165]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   24.172439][  T165]  bus_remove_device (drivers/base/bus.c:657)
[   24.172642][  T165]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   24.172849][  T165]  ? device_remove_file (drivers/base/core.c:3073)
[   24.173068][  T165]  device_del (drivers/base/core.c:3895)
[   24.173234][  T165]  ? __device_link_del (./include/linux/kobject.h:89)
[   24.173441][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   24.173642][  T165]  device_unregister (drivers/base/core.c:3936)
[   24.173851][  T165] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   24.174109][  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))
[   24.174310][  T165]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   24.174549][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   24.174749][  T165]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   24.174958][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   24.175177][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[   24.175339][  T165]  new_sync_write (fs/read_write.c:595)
[   24.175544][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.175746][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[   24.175958][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.176173][  T165]  ? ksys_write (fs/read_write.c:740)
[   24.176380][  T165]  vfs_write (fs/read_write.c:688)
[   24.176546][  T165]  ksys_write (fs/read_write.c:740)
[   24.176713][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[   24.176923][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.177136][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.177335][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.177536][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.177735][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.177942][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.178193][  T165] RIP: 0033:0x7ff11f8ac08e
[   24.178402][  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
[   24.179002][  T165] RSP: 002b:00007ffc087fc400 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   24.179279][  T165] RAX: ffffffffffffffda RBX: 00007ff11fa2e580 RCX: 00007ff11f8ac08e
[   24.179554][  T165] RDX: 0000000000000005 RSI: 000055a19028c0a0 RDI: 0000000000000001
[   24.179833][  T165] RBP: 00007ffc087fc410 R08: 0000000000000000 R09: 0000000000000000
[   24.180119][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   24.180391][  T165] R13: 0000000000000005 R14: 000055a19028c0a0 R15: 0000000000000000
| [   24.228109][  T165] ------------[ cut here ]------------
| [   24.228322][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: hw_stats_l3.sh/165
| [   24.228682][  T165] Modules linked in: netdevsim
| [   24.229252][  T165] Tainted: [W]=WARN
[   24.229369][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.229573][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.229772][  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
[   24.230373][  T165] RSP: 0018:ffa0000000827728 EFLAGS: 00010286
[   24.230569][  T165] RAX: 00000000ffffffa6 RBX: ff11000008eb7540 RCX: 1ff4000000104eab
[   24.230802][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008eb75f0
[   24.231036][  T165] RBP: ff1100000c9da000 R08: 1fe22000011d6ebf R09: ff11000004a70c48
[   24.231262][  T165] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.231494][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.231723][  T165] FS:  00007ff11f83ab80(0000) GS:ff11000089d85000(0000) knlGS:0000000000000000
[   24.232087][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.232281][  T165] CR2: 000055a19028c0a0 CR3: 000000000c5a2001 CR4: 0000000000771ef0
[   24.232511][  T165] PKRU: 55555554
[   24.232625][  T165] Call Trace:
[   24.232739][  T165]  <TASK>
[   24.232826][  T165]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.233089][  T165]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.233279][  T165]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   24.233432][  T165]  ? netdev_run_todo (net/core/dev.c:11703)
[   24.233585][  T165]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.233808][  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)
[   24.233965][  T165]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   24.234181][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.234333][  T165]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   24.234485][  T165] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   24.234640][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.234796][  T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   24.235071][  T165] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   24.235263][  T165] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   24.235414][  T165]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   24.235606][  T165]  bus_remove_device (drivers/base/bus.c:657)
[   24.235761][  T165]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   24.235918][  T165]  ? device_remove_file (drivers/base/core.c:3073)
[   24.236208][  T165]  device_del (drivers/base/core.c:3895)
[   24.236325][  T165]  ? __device_link_del (./include/linux/kobject.h:89)
[   24.236480][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   24.236634][  T165]  device_unregister (drivers/base/core.c:3936)
[   24.236788][  T165] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   24.236979][  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))
[   24.237262][  T165]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   24.237451][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   24.237604][  T165]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   24.237756][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   24.237914][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[   24.238154][  T165]  new_sync_write (fs/read_write.c:595)
[   24.238304][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.238460][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[   24.238612][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.238764][  T165]  ? ksys_write (fs/read_write.c:740)
[   24.238926][  T165]  vfs_write (fs/read_write.c:688)
[   24.239168][  T165]  ksys_write (fs/read_write.c:740)
[   24.239285][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[   24.239435][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.239586][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.239739][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.239893][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.240170][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.240327][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.240519][  T165] RIP: 0033:0x7ff11f8ac08e
[   24.240681][  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
[   24.241302][  T165] RSP: 002b:00007ffc087fc500 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   24.241532][  T165] RAX: ffffffffffffffda RBX: 00007ff11fa2e580 RCX: 00007ff11f8ac08e
[   24.241758][  T165] RDX: 0000000000000005 RSI: 000055a19028c0a0 RDI: 0000000000000001
[   24.242067][  T165] RBP: 00007ffc087fc510 R08: 0000000000000000 R09: 0000000000000000
[   24.242292][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005


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