======================================
| xx__-> [    8.472560][  T133] ------------[ cut here ]------------
| [    8.472881][  T133] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/133
| [    8.473182][  T133] Modules linked in: netdevsim
| [    8.473732][  T133] Tainted: [W]=WARN
[    8.473899][  T133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.474111][  T133] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.474336][  T133] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.474932][  T133] RSP: 0018:ffa00000006a7aa8 EFLAGS: 00010286
[    8.475149][  T133] RAX: 00000000ffffffa6 RBX: ff11000009b753c0 RCX: 1ff40000000d4f1b
[    8.475395][  T133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b75470
[    8.475640][  T133] RBP: ff11000005c04000 R08: 1fe220000136ea8f R09: ff1100000c330b80
[    8.475916][  T133] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.476161][  T133] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005c04000
[    8.476412][  T133] FS:  00007efcd5417840(0000) GS:ff110000824bb000(0000) knlGS:0000000000000000
[    8.476705][  T133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.476942][  T133] CR2: 00007f282ce00808 CR3: 000000000d1d5002 CR4: 0000000000771ef0
[    8.477187][  T133] PKRU: 55555554
[    8.477333][  T133] Call Trace:
[    8.477478][  T133]  <TASK>
[    8.477593][  T133]  ? ip6_route_dev_notify (net/ipv6/route.c:6484)
[    8.477798][  T133]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.477985][  T133]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.478167][  T133]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.478316][  T133]  register_netdevice (net/core/dev.c:11488)
[    8.478495][  T133]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.478719][  T133]  register_netdev (net/core/dev.c:11552)
[    8.478914][  T133]  loopback_net_init (drivers/net/loopback.c:218)
[    8.479100][  T133]  ops_init (net/core/net_namespace.c:137)
[    8.479253][  T133]  setup_net (net/core/net_namespace.c:446)
[    8.479400][  T133]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.479580][  T133]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.479780][  T133]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.479973][  T133]  copy_net_ns (net/core/net_namespace.c:579)
[    8.480153][  T133]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.480338][  T133]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.480518][  T133]  ksys_unshare (kernel/fork.c:3243)
[    8.480713][  T133]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.480908][  T133]  ? __ia32_sys_open (fs/open.c:1374)
[    8.481093][  T133]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.481269][  T133]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.481447][  T133]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.481629][  T133]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.481834][  T133]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.482020][  T133]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.482228][  T133] RIP: 0033:0x7efcd56d9bcb
[    8.482412][  T133] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.482954][  T133] RSP: 002b:00007ffe75f56808 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.483203][  T133] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007efcd56d9bcb
[    8.483445][  T133] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.483805][  T133] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.484239][  T133] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe75f58a30
[    8.484480][  T133] R13: 0000000000000001 R14: 00007efcd54176f8 R15: 00007ffe75f5ab9a
| [    8.540140][  T135] ------------[ cut here ]------------
| [    8.540388][  T135] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: tee/135
| [    8.540787][  T135] Modules linked in: netdevsim
| [    8.541327][  T135] Tainted: [W]=WARN
[    8.541492][  T135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.541729][  T135] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.541965][  T135] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.542549][  T135] RSP: 0018:ffa0000000637500 EFLAGS: 00010286
[    8.542764][  T135] RAX: 00000000ffffffa6 RBX: ff11000005594940 RCX: 1ff40000000c6e66
[    8.543015][  T135] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000055949f0
[    8.543264][  T135] RBP: ff1100000c572000 R08: 1fe2200000ab293f R09: ff1100000c335248
[    8.543512][  T135] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.543770][  T135] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c572000
[    8.544024][  T135] FS:  00007efc50891740(0000) GS:ff1100008243b000(0000) knlGS:0000000000000000
[    8.544314][  T135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.544532][  T135] CR2: 00007efc509200cc CR3: 000000000c7a7003 CR4: 0000000000771ef0
[    8.544786][  T135] PKRU: 55555554
[    8.544916][  T135] Call Trace:
[    8.545037][  T135]  <TASK>
[    8.545123][  T135]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.545289][  T135]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.545413][  T135]  register_netdevice (net/core/dev.c:11488)
[    8.545579][  T135]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.545790][  T135]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.545968][  T135] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.546177][  T135] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.546342][  T135] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.546545][  T135]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.546713][  T135]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.546928][  T135]  ? 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))
[    8.547092][  T135]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.547215][  T135]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.547381][  T135]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.547587][  T135] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.547763][  T135]  call_driver_probe (drivers/base/dd.c:629)
[    8.547932][  T135]  really_probe (drivers/base/dd.c:709)
[    8.548096][  T135]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.548256][  T135]  __driver_probe_device (drivers/base/dd.c:871)
[    8.548420][  T135]  driver_probe_device (drivers/base/dd.c:901)
[    8.548582][  T135]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.548824][  T135]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.548993][  T135]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.549158][  T135]  __device_attach (drivers/base/dd.c:1101)
[    8.549321][  T135]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.549484][  T135]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.549730][  T135]  ? 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)
[    8.549908][  T135]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.550071][  T135]  device_initial_probe (drivers/base/dd.c:1156)
[    8.550233][  T135]  bus_probe_device (drivers/base/bus.c:613)
[    8.550396][  T135]  device_add (drivers/base/core.c:3706)
[    8.550562][  T135]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.550775][  T135]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.550951][  T135]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.551118][  T135] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.551321][  T135]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.551484][  T135]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.551696][  T135]  ? 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))
[    8.551879][  T135]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.552045][  T135]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.552207][  T135]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.552369][  T135]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.552494][  T135]  new_sync_write (fs/read_write.c:595)
[    8.552659][  T135]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.552833][  T135]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.553003][  T135]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.553169][  T135]  ? ksys_write (fs/read_write.c:740)
[    8.553337][  T135]  vfs_write (fs/read_write.c:688)
[    8.553462][  T135]  ksys_write (fs/read_write.c:740)
[    8.553584][  T135]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.553759][  T135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.553929][  T135]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.554091][  T135]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.554253][  T135]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.554416][  T135]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.554617][  T135] RIP: 0033:0x7efc5090408e
[    8.554797][  T135] 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
[    8.555377][  T135] RSP: 002b:00007ffccbc6b320 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.555624][  T135] RAX: ffffffffffffffda RBX: 0000560ed7e7a3d0 RCX: 00007efc5090408e
[    8.555883][  T135] RDX: 0000000000000007 RSI: 00007ffccbc6b4c0 RDI: 0000000000000003
[    8.556124][  T135] RBP: 00007ffccbc6b330 R08: 0000000000000000 R09: 0000000000000000
[    8.556366][  T135] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    8.556612][  T135] R13: 0000000000000007 R14: 00007ffccbc6b4c0 R15: 0000560ed7e7a3d0
| [    8.625404][  T139] ------------[ cut here ]------------
| [    8.625577][  T139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/139
| [    8.625935][  T139] Modules linked in: netdevsim
| [    8.626460][  T139] Tainted: [W]=WARN
[    8.626603][  T139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.626910][  T139] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.627189][  T139] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.627825][  T139] RSP: 0018:ffa0000000617038 EFLAGS: 00010286
[    8.628120][  T139] RAX: 00000000ffffffa6 RBX: ff11000005594640 RCX: 1ff40000000c2dcd
[    8.628444][  T139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000055946f0
[    8.628785][  T139] RBP: ff1100000c572000 R08: 1fe2200000ab28df R09: ff1100000c3ed180
[    8.629117][  T139] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[    8.629426][  T139] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[    8.629775][  T139] FS:  00007fc11da55840(0000) GS:ff110000824bb000(0000) knlGS:0000000000000000
[    8.630125][  T139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.630357][  T139] CR2: 00000000070ea988 CR3: 000000000c340002 CR4: 0000000000771ef0
[    8.630593][  T139] PKRU: 55555554
[    8.630770][  T139] Call Trace:
[    8.630921][  T139]  <TASK>
[    8.631036][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.631214][  T139]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    8.631395][  T139]  notifier_call_chain (kernel/notifier.c:85)
[    8.631576][  T139]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[    8.631776][  T139]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[    8.631998][  T139]  ? 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))
[    8.632178][  T139]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.632361][  T139]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[    8.632541][  T139]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.632733][  T139]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.632961][  T139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.633139][  T139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.633314][  T139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.633490][  T139]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.633669][  T139]  ? __kernel_text_address (kernel/extable.c:79)
[    8.633881][  T139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.634089][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.634271][  T139]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.634451][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.634629][  T139]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.634830][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.635015][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.635194][  T139]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.635372][  T139]  ? __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)
[    8.635553][  T139]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.635745][  T139]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.635944][  T139]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.636121][  T139]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.636300][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.636483][  T139]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.636663][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.636878][  T139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.637059][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.637237][  T139]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.637414][  T139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.637595][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.637794][  T139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.637985][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.638162][  T139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.638343][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.638523][  T139]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.638713][  T139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.638907][  T139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.639086][  T139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.639265][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.639441][  T139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.639621][  T139]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.639826][  T139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.640014][  T139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.640195][  T139]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.640372][  T139]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.640554][  T139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.640749][  T139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.640942][  T139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.641124][  T139]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.641304][  T139]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.641482][  T139]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.641663][  T139]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.641869][  T139]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.642058][  T139]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.642266][  T139]  ? move_addr_to_kernel (net/socket.c:258)
[    8.642448][  T139]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.642624][  T139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.642829][  T139]  ___sys_sendmsg (net/socket.c:2752)
[    8.643014][  T139]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.643223][  T139]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.643413][  T139]  __sys_sendmsg (net/socket.c:2784)
[    8.643592][  T139]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.643789][  T139]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.644016][  T139]  ? 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)
[    8.644193][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.644373][  T139]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.644552][  T139]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.644746][  T139]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.644941][  T139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.645150][  T139] RIP: 0033:0x7fc11dc8f08e
[    8.645337][  T139] 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
[    8.645866][  T139] RSP: 002b:00007ffef58c9360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.646117][  T139] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc11dc8f08e
[    8.646360][  T139] RDX: 0000000000000000 RSI: 00007ffef58c9410 RDI: 0000000000000003
[    8.646598][  T139] RBP: 00007ffef58c9370 R08: 0000000000000000 R09: 0000000000000000
[    8.646862][  T139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6b6
[    8.647110][  T139] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef58c9ae0
| [    8.684991][  T140] ------------[ cut here ]------------
| [    8.685189][  T140] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/140
| [    8.685469][  T140] Modules linked in: netdevsim
| [    8.686071][  T140] Tainted: [W]=WARN
[    8.686277][  T140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.686543][  T140] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.686852][  T140] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.687444][  T140] RSP: 0018:ffa0000000647020 EFLAGS: 00010286
[    8.687760][  T140] RAX: 00000000ffffffa6 RBX: ff11000009b6c940 RCX: 1ff40000000c8dca
[    8.688091][  T140] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b6c9f0
[    8.688419][  T140] RBP: ff1100000c572000 R08: 1fe220000136d93f R09: ff1100000a07ae80
[    8.688777][  T140] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.689121][  T140] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    8.689431][  T140] FS:  00007f7ef4e86840(0000) GS:ff110000824bb000(0000) knlGS:0000000000000000
[    8.689811][  T140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.690082][  T140] CR2: 00000000089b9988 CR3: 000000000d0d4005 CR4: 0000000000771ef0
[    8.690326][  T140] PKRU: 55555554
[    8.690475][  T140] Call Trace:
[    8.690623][  T140]  <TASK>
[    8.690757][  T140]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.690955][  T140]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.691106][  T140]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.691286][  T140]  __dev_notify_flags (net/core/dev.c:9787)
[    8.691470][  T140]  ? netif_change_name (net/core/dev.c:1495)
[    8.691647][  T140]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.691849][  T140]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    8.692040][  T140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.692220][  T140]  ? 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))
[    8.692400][  T140]  netif_change_flags (net/core/dev.c:9820)
[    8.692580][  T140]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.692777][  T140]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.692969][  T140]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.693183][  T140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.693363][  T140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.693544][  T140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.693734][  T140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.693935][  T140]  ? __kernel_text_address (kernel/extable.c:79)
[    8.694117][  T140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.694301][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.694484][  T140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.694663][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.694867][  T140]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.695054][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.695233][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.695412][  T140]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.695590][  T140]  ? __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)
[    8.695789][  T140]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.695981][  T140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.696164][  T140]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.696346][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.696529][  T140]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.696724][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.696922][  T140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.697103][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.697281][  T140]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.697463][  T140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.697645][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.697845][  T140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.698036][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.698216][  T140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.698397][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.698576][  T140]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.698777][  T140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.698968][  T140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.699147][  T140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.699328][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.699507][  T140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.699702][  T140]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.699901][  T140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.700084][  T140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.700280][  T140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.700458][  T140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.700641][  T140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.700846][  T140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.701037][  T140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.701219][  T140]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.701401][  T140]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.701584][  T140]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.701792][  T140]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.701984][  T140]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.702165][  T140]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.702375][  T140]  ? move_addr_to_kernel (net/socket.c:258)
[    8.702558][  T140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.702754][  T140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.702950][  T140]  ___sys_sendmsg (net/socket.c:2752)
[    8.703132][  T140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.703343][  T140]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.703537][  T140]  __sys_sendmsg (net/socket.c:2784)
[    8.703731][  T140]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.703924][  T140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.704139][  T140]  ? 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)
[    8.704318][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.704500][  T140]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.704739][  T140]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.704941][  T140]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.705122][  T140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.705330][  T140] RIP: 0033:0x7f7ef50c008e
[    8.705514][  T140] 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
[    8.706062][  T140] RSP: 002b:00007ffca7974160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.706308][  T140] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7ef50c008e
[    8.706551][  T140] RDX: 0000000000000000 RSI: 00007ffca7974210 RDI: 0000000000000003
[    8.706822][  T140] RBP: 00007ffca7974170 R08: 0000000000000000 R09: 0000000000000000
[    8.707075][  T140] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6b7
[    8.707317][  T140] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca79748e0
| [    8.780464][  T142] ------------[ cut here ]------------
| [    8.780655][  T142] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/142
| [    8.781024][  T142] Modules linked in: veth netdevsim
| [    8.781482][  T142] Tainted: [W]=WARN
[    8.781586][  T142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.781806][  T142] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.781996][  T142] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.782483][  T142] RSP: 0018:ffa00000006b6e30 EFLAGS: 00010286
[    8.782655][  T142] RAX: 00000000ffffffa6 RBX: ff1100000a28f840 RCX: 1ff40000000d6d8c
[    8.782867][  T142] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a28f8f0
[    8.783080][  T142] RBP: ff1100000c87c000 R08: 1fe2200001451f1f R09: ff1100000c86ae80
[    8.783285][  T142] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.783491][  T142] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004ed0400
[    8.783706][  T142] FS:  00007fccf07bc840(0000) GS:ff110000823bb000(0000) knlGS:0000000000000000
[    8.783959][  T142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.784131][  T142] CR2: 000000000042ebe0 CR3: 000000000c875005 CR4: 0000000000771ef0
[    8.784338][  T142] PKRU: 55555554
[    8.784441][  T142] Call Trace:
[    8.784545][  T142]  <TASK>
[    8.784620][  T142]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.784797][  T142]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.784942][  T142]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.785045][  T142]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.785184][  T142]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.785320][  T142]  __dev_notify_flags (net/core/dev.c:9787)
[    8.785457][  T142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.785593][  T142]  ? netif_change_name (net/core/dev.c:1495)
[    8.785734][  T142]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.785883][  T142]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    8.786055][  T142]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    8.786229][  T142]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.786365][  T142]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.786502][  T142]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    8.786639][  T142] veth_newlink (drivers/net/veth.c:1871) veth
[    8.786788][  T142]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[    8.786964][  T142]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.787101][  T142]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.787240][  T142]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.787391][  T142]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.787528][  T142]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.787665][  T142]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.787813][  T142]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.787955][  T142]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.788092][  T142]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.788231][  T142]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.788366][  T142]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.788502][  T142]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.788643][  T142]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.788794][  T142]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.788937][  T142]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.789072][  T142]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.789208][  T142]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.789344][  T142]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.789479][  T142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.789618][  T142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.789763][  T142]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.789907][  T142]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.790043][  T142]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.790178][  T142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.790312][  T142]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.790452][  T142]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.790589][  T142]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.790731][  T142]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.790876][  T142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.791012][  T142]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.791152][  T142]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.791286][  T142]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.791424][  T142]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.791562][  T142]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.791702][  T142]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.791845][  T142]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.791987][  T142]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.792124][  T142]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.792261][  T142]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.792398][  T142]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.792534][  T142]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.792709][  T142]  ? move_addr_to_kernel (net/socket.c:258)
[    8.792854][  T142]  ___sys_sendmsg (net/socket.c:2752)
[    8.792994][  T142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.793129][  T142]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.793276][  T142]  __sys_sendmsg (net/socket.c:2784)
[    8.793413][  T142]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.793548][  T142]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.793687][  T142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.793828][  T142]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    8.793968][  T142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.794103][  T142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.794239][  T142]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.794374][  T142]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.794510][  T142]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.794645][  T142]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.794824][  T142] RIP: 0033:0x7fccf09f608e
[    8.794972][  T142] 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
[    8.795452][  T142] RSP: 002b:00007ffe24a57b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.795657][  T142] RAX: ffffffffffffffda RBX: 00007ffe24a58338 RCX: 00007fccf09f608e
[    8.795869][  T142] RDX: 0000000000000000 RSI: 00007ffe24a57c40 RDI: 0000000000000003
[    8.796076][  T142] RBP: 00007ffe24a57ba0 R08: 0000000000000000 R09: 0000000000000000
[    8.796278][  T142] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6b7
[    8.796481][  T142] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe24a58310
| [    8.804644][  T142] ------------[ cut here ]------------
| [    8.804804][  T142] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/142
| [    8.805045][  T142] Modules linked in: veth netdevsim
| [    8.805494][  T142] Tainted: [W]=WARN
[    8.805593][  T142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.805767][  T142] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.805947][  T142] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.806415][  T142] RSP: 0018:ffa00000006b71b0 EFLAGS: 00010286
[    8.806583][  T142] RAX: 00000000ffffffa6 RBX: ff1100000d0ee040 RCX: 1ff40000000d6dfc
[    8.806791][  T142] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0ee0f0
[    8.806993][  T142] RBP: ff1100000a211000 R08: 1fe2200001a1dc1f R09: ff1100000c86ae80
[    8.807189][  T142] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.807385][  T142] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffc02d6b20
[    8.807585][  T142] FS:  00007fccf07bc840(0000) GS:ff110000823bb000(0000) knlGS:0000000000000000
[    8.807825][  T142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.807997][  T142] CR2: 000000000042ebe0 CR3: 000000000c875005 CR4: 0000000000771ef0
[    8.808196][  T142] PKRU: 55555554
[    8.808297][  T142] Call Trace:
[    8.808397][  T142]  <TASK>
[    8.808465][  T142]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.808600][  T142]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.808707][  T142]  __dev_notify_flags (net/core/dev.c:9787)
[    8.808846][  T142]  ? netif_change_name (net/core/dev.c:1495)
[    8.808984][  T142]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.809115][  T142]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.809250][  T142]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.809383][  T142]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.809516][  T142]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.809645][  T142]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.809786][  T142]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.809927][  T142]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.810061][  T142]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.810195][  T142]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.810326][  T142]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.810458][  T142]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.810588][  T142]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.810725][  T142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.810866][  T142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.811004][  T142]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.811136][  T142]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.811267][  T142]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.811399][  T142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.811531][  T142]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.811665][  T142]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.811809][  T142]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.811947][  T142]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.812077][  T142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.812209][  T142]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.812345][  T142]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.812475][  T142]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.812607][  T142]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.812751][  T142]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.812887][  T142]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.813019][  T142]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.813152][  T142]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.813283][  T142]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.813418][  T142]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.813550][  T142]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.813686][  T142]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.813852][  T142]  ? move_addr_to_kernel (net/socket.c:258)
[    8.813994][  T142]  ___sys_sendmsg (net/socket.c:2752)
[    8.814125][  T142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.814256][  T142]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.814400][  T142]  __sys_sendmsg (net/socket.c:2784)
[    8.814531][  T142]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.814662][  T142]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    8.814804][  T142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.814943][  T142]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    8.815073][  T142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.815203][  T142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.815334][  T142]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.815463][  T142]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.815593][  T142]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.815757][  T142]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.815930][  T142] RIP: 0033:0x7fccf09f608e
[    8.816066][  T142] 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
[    8.816528][  T142] RSP: 002b:00007ffe24a57b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.816729][  T142] RAX: ffffffffffffffda RBX: 00007ffe24a58338 RCX: 00007fccf09f608e
[    8.816941][  T142] RDX: 0000000000000000 RSI: 00007ffe24a57c40 RDI: 0000000000000003
[    8.817135][  T142] RBP: 00007ffe24a57ba0 R08: 0000000000000000 R09: 0000000000000000
[    8.817330][  T142] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6b7
[    8.817525][  T142] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe24a58310
| [    8.854092][  T144] ------------[ cut here ]------------
| [    8.854279][  T144] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/144
| [    8.854555][  T144] Modules linked in: veth netdevsim
| [    8.855357][  T144] Tainted: [W]=WARN
[    8.855502][  T144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.855724][  T144] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.855956][  T144] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.856460][  T144] RSP: 0018:ffa0000000697020 EFLAGS: 00010286
[    8.856669][  T144] RAX: 00000000ffffffa6 RBX: ff11000009b6c040 RCX: 1ff40000000d2dca
[    8.856939][  T144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b6c0f0
[    8.857176][  T144] RBP: ff1100000a211000 R08: 1fe220000136d81f R09: ff1100000b268b58
[    8.857413][  T144] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.857651][  T144] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    8.857923][  T144] FS:  00007fdb52ffc840(0000) GS:ff110000824bb000(0000) knlGS:0000000000000000
[    8.858199][  T144] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.858410][  T144] CR2: 0000000033135988 CR3: 000000000c98c003 CR4: 0000000000771ef0
[    8.858654][  T144] PKRU: 55555554
[    8.858821][  T144] Call Trace:
[    8.858976][  T144]  <TASK>
[    8.859093][  T144]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.859271][  T144]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.859418][  T144]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.859592][  T144]  __dev_notify_flags (net/core/dev.c:9787)
[    8.859787][  T144]  ? netif_change_name (net/core/dev.c:1495)
[    8.859973][  T144]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.860148][  T144]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    8.860325][  T144]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.860503][  T144]  ? 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))
[    8.860747][  T144]  netif_change_flags (net/core/dev.c:9820)
[    8.860942][  T144]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    8.861120][  T144]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.861299][  T144]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.861475][  T144]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.861700][  T144]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.861899][  T144]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.862075][  T144]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.862251][  T144]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.862427][  T144]  ? __kernel_text_address (kernel/extable.c:79)
[    8.862604][  T144]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.862808][  T144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.862996][  T144]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.863172][  T144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.863347][  T144]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.863523][  T144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.863712][  T144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.863907][  T144]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.864083][  T144]  ? __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)
[    8.864262][  T144]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.864440][  T144]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.864619][  T144]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.864822][  T144]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.865009][  T144]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.865188][  T144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.865362][  T144]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.865538][  T144]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.865728][  T144]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.865919][  T144]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.866099][  T144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.866275][  T144]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.866452][  T144]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.866628][  T144]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.866830][  T144]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.867018][  T144]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.867195][  T144]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.867371][  T144]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.867547][  T144]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.867735][  T144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.867930][  T144]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.868109][  T144]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.868284][  T144]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.868465][  T144]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.868645][  T144]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.868841][  T144]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.869027][  T144]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.869207][  T144]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.869385][  T144]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.869564][  T144]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.869761][  T144]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.869954][  T144]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.870134][  T144]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.870310][  T144]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.870485][  T144]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.870705][  T144]  ? move_addr_to_kernel (net/socket.c:258)
[    8.870903][  T144]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.871082][  T144]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.871263][  T144]  ___sys_sendmsg (net/socket.c:2752)
[    8.871440][  T144]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.871649][  T144]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.871860][  T144]  __sys_sendmsg (net/socket.c:2784)
[    8.872047][  T144]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.872220][  T144]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.872429][  T144]  ? 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)
[    8.872607][  T144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.872805][  T144]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.872988][  T144]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.873162][  T144]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.873338][  T144]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.873545][  T144] RIP: 0033:0x7fdb5323608e
[    8.873744][  T144] 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
[    8.874262][  T144] RSP: 002b:00007ffcf00d3790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.874502][  T144] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdb5323608e
[    8.874755][  T144] RDX: 0000000000000000 RSI: 00007ffcf00d3840 RDI: 0000000000000003
[    8.875009][  T144] RBP: 00007ffcf00d37a0 R08: 0000000000000000 R09: 0000000000000000
[    8.875246][  T144] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6b7
[    8.875481][  T144] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf00d3f10
| [    8.900777][  T145] ------------[ cut here ]------------
| [    8.900926][  T145] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/145
| [    8.901153][  T145] Modules linked in: veth netdevsim
| [    8.901548][  T145] Tainted: [W]=WARN
[    8.901646][  T145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.901822][  T145] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.901997][  T145] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.902451][  T145] RSP: 0018:ffa0000000647020 EFLAGS: 00010286
[    8.902615][  T145] RAX: 00000000ffffffa6 RBX: ff1100000d0ef0c0 RCX: 1ff40000000c8dca
[    8.902828][  T145] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0ef170
[    8.903029][  T145] RBP: ff1100000c87c000 R08: 1fe2200001a1de2f R09: ff1100000c868b58
[    8.903221][  T145] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    8.903411][  T145] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    8.903606][  T145] FS:  00007f7479676840(0000) GS:ff1100008243b000(0000) knlGS:0000000000000000
[    8.903848][  T145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.904018][  T145] CR2: 000000003e43e988 CR3: 000000000c4bb004 CR4: 0000000000771ef0
[    8.904212][  T145] PKRU: 55555554
[    8.904307][  T145] Call Trace:
[    8.904404][  T145]  <TASK>
[    8.904472][  T145]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.904603][  T145]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.904710][  T145]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.904844][  T145]  __dev_notify_flags (net/core/dev.c:9787)
[    8.904978][  T145]  ? netif_change_name (net/core/dev.c:1495)
[    8.905107][  T145]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.905235][  T145]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    8.905362][  T145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.905492][  T145]  ? 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))
[    8.905622][  T145]  netif_change_flags (net/core/dev.c:9820)
[    8.905762][  T145]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    8.905898][  T145]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.906029][  T145]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.906159][  T145]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.906319][  T145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.906448][  T145]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.906576][  T145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.906711][  T145]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.906846][  T145]  ? __kernel_text_address (kernel/extable.c:79)
[    8.906981][  T145]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.907112][  T145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.907239][  T145]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.907367][  T145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.907497][  T145]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.907624][  T145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.907818][  T145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.908038][  T145]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.908168][  T145]  ? __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)
[    8.908296][  T145]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.908424][  T145]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.908554][  T145]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.908756][  T145]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.908893][  T145]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.909023][  T145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.909151][  T145]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.909279][  T145]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.909408][  T145]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.909536][  T145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.909667][  T145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.909890][  T145]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.910021][  T145]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.910149][  T145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.910280][  T145]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.910409][  T145]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.910539][  T145]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.910668][  T145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.910869][  T145]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.911005][  T145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.911132][  T145]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.911261][  T145]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.911391][  T145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.911523][  T145]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.911656][  T145]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.911861][  T145]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.912023][  T145]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.912154][  T145]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.912283][  T145]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.912414][  T145]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.912545][  T145]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.912678][  T145]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.912894][  T145]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.913024][  T145]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.913153][  T145]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.913311][  T145]  ? move_addr_to_kernel (net/socket.c:258)
[    8.913441][  T145]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.913570][  T145]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.913793][  T145]  ___sys_sendmsg (net/socket.c:2752)
[    8.913930][  T145]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.914090][  T145]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.914231][  T145]  __sys_sendmsg (net/socket.c:2784)
[    8.914360][  T145]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.914489][  T145]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.914653][  T145]  ? 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)
[    8.914797][  T145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.914933][  T145]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.915062][  T145]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.915189][  T145]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.915318][  T145]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.915478][  T145] RIP: 0033:0x7f74798b008e
[    8.915615][  T145] 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
[    8.916089][  T145] RSP: 002b:00007ffc3d8f65e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.916284][  T145] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f74798b008e
[    8.916477][  T145] RDX: 0000000000000000 RSI: 00007ffc3d8f6690 RDI: 0000000000000003
[    8.916672][  T145] RBP: 00007ffc3d8f65f0 R08: 0000000000000000 R09: 0000000000000000
[    8.916881][  T145] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c6b7
[    8.917075][  T145] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3d8f6d60
| [    8.919259][   T37] ------------[ cut here ]------------
| [    8.919413][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [    8.919653][   T37] Modules linked in: veth netdevsim
| [    8.920510][   T37] Tainted: [W]=WARN
[    8.920601][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.920803][   T37] Workqueue: events_unbound linkwatch_event
[    8.920980][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.921136][   T37] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.921559][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[    8.921717][   T37] RAX: 00000000ffffffa6 RBX: ff1100000d0ef9c0 RCX: 1ff4000000053f02
[    8.921909][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d0efa70
[    8.922091][   T37] RBP: ff1100000c87c000 R08: 1fe2200001a1df4f R09: ff11000001d80ba8
[    8.922270][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    8.922449][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.922669][   T37] FS:  0000000000000000(0000) GS:ff1100008243b000(0000) knlGS:0000000000000000
[    8.922902][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.923102][   T37] CR2: 000000003e43e988 CR3: 0000000031939002 CR4: 0000000000771ef0
[    8.923283][   T37] PKRU: 55555554
[    8.923373][   T37] Call Trace:
[    8.923463][   T37]  <TASK>
[    8.923525][   T37]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    8.923645][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.923779][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.923907][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.923999][   T37]  netif_state_change (net/core/dev.c:1605)
[    8.924120][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    8.924270][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    8.924391][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    8.924511][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.924635][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    8.924762][   T37]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[    8.924887][   T37]  process_one_work (kernel/workqueue.c:3314)
[    8.925017][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.925136][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.925261][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.925384][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.925504][   T37]  kthread (kernel/kthread.c:436)
[    8.925595][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.925754][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.925878][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.926001][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.926151][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.926271][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.926392][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.928381][   T37] ------------[ cut here ]------------
| [    8.928511][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [    8.929331][   T37] Modules linked in: veth netdevsim
| [    8.929785][   T37] Tainted: [W]=WARN
[    8.929884][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.930034][   T37] Workqueue: events_unbound linkwatch_event
[    8.930192][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.930347][   T37] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.930830][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[    8.930989][   T37] RAX: 00000000ffffffa6 RBX: ff1100000d296040 RCX: 1ff4000000053f02
[    8.931168][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d2960f0
[    8.931353][   T37] RBP: ff1100000a211000 R08: 1fe2200001a52c1f R09: ff11000001d80ba8
[    8.931529][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    8.931760][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.931954][   T37] FS:  0000000000000000(0000) GS:ff1100008243b000(0000) knlGS:0000000000000000
[    8.932162][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.932311][   T37] CR2: 000000003e43e988 CR3: 0000000031939002 CR4: 0000000000771ef0
[    8.932490][   T37] PKRU: 55555554
[    8.932580][   T37] Call Trace:
[    8.932775][   T37]  <TASK>
[    8.932838][   T37]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[    8.932963][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.933084][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.933203][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.933295][   T37]  netif_state_change (net/core/dev.c:1605)
[    8.933418][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    8.933571][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    8.933749][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    8.933868][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.933995][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    8.934115][   T37]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[    8.934236][   T37]  process_one_work (kernel/workqueue.c:3314)
[    8.934364][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.934485][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.934615][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.934791][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.934914][   T37]  kthread (kernel/kthread.c:436)
[    8.935003][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.935150][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.935268][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.935387][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.935574][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.935740][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.935863][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.310322][  T176] ------------[ cut here ]------------
| [   15.310559][  T176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: bash/176
| [   15.310961][  T176] Modules linked in: veth netdevsim
| [   15.311496][  T176] Tainted: [W]=WARN
[   15.311666][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.311888][  T176] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.312113][  T176] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.312700][  T176] RSP: 0018:ffa00000008075a8 EFLAGS: 00010286
[   15.312916][  T176] RAX: 00000000ffffffa6 RBX: ff11000005410940 RCX: 1ff4000000100e7b
[   15.313164][  T176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000054109f0
[   15.313406][  T176] RBP: ff1100000c572000 R08: 1fe2200000a8213f R09: ff1100000a48af70
[   15.313650][  T176] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   15.313907][  T176] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000807698
[   15.314160][  T176] FS:  00007fcb26dc2740(0000) GS:ff110000823bb000(0000) knlGS:0000000000000000
[   15.314446][  T176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.314651][  T176] CR2: 00005642712e3358 CR3: 000000000a645001 CR4: 0000000000771ef0
[   15.314904][  T176] PKRU: 55555554
[   15.315034][  T176] Call Trace:
[   15.315157][  T176]  <TASK>
[   15.315243][  T176]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.315411][  T176]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.315536][  T176]  netif_close_many (net/core/dev.c:1804)
[   15.315958][  T176]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.316262][  T176]  ? __dev_close_many (net/core/dev.c:1781)
[   15.316425][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.316590][  T176]  netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.316899][  T176]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[   15.317108][  T176]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[   15.317310][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.317474][  T176]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.317638][  T176]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.317952][  T176]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.318125][  T176]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.318328][  T176]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   15.318494][  T176]  ? netdev_run_todo (net/core/dev.c:11703)
[   15.318661][  T176]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.318988][  T176]  ? 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)
[   15.319156][  T176]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   15.319320][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.319484][  T176]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.319650][  T176] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   15.319962][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.320128][  T176] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   15.320336][  T176] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   15.320541][  T176] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   15.320844][  T176]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   15.321056][  T176]  bus_remove_device (drivers/base/bus.c:657)
[   15.321219][  T176]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   15.321381][  T176]  ? device_remove_file (drivers/base/core.c:3073)
[   15.321547][  T176]  device_del (drivers/base/core.c:3895)
[   15.321671][  T176]  ? __device_link_del (./include/linux/kobject.h:89)
[   15.321978][  T176]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   15.322143][  T176]  device_unregister (drivers/base/core.c:3936)
[   15.322303][  T176] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   15.322504][  T176]  ? 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))
[   15.322666][  T176]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   15.323009][  T176]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   15.323174][  T176]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   15.323338][  T176]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   15.323500][  T176]  ? kernfs_ops (fs/kernfs/file.c:128)
[   15.323623][  T176]  new_sync_write (fs/read_write.c:595)
[   15.323924][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.324093][  T176]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.324257][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.324418][  T176]  ? ksys_write (fs/read_write.c:740)
[   15.324589][  T176]  vfs_write (fs/read_write.c:688)
[   15.324852][  T176]  ksys_write (fs/read_write.c:740)
[   15.324982][  T176]  ? __ia32_sys_read (fs/read_write.c:724)
[   15.325144][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.325306][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.325470][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.325635][  T176]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.325914][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.326082][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.326286][  T176] RIP: 0033:0x7fcb26e3508e
[   15.326467][  T176] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.327180][  T176] RSP: 002b:00007ffe5669c8c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   15.327432][  T176] RAX: ffffffffffffffda RBX: 00007fcb26fb7580 RCX: 00007fcb26e3508e
[   15.327676][  T176] RDX: 0000000000000005 RSI: 00005642712e2350 RDI: 0000000000000001
[   15.328059][  T176] RBP: 00007ffe5669c8d0 R08: 0000000000000000 R09: 0000000000000000
[   15.328301][  T176] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   15.328544][  T176] R13: 0000000000000005 R14: 00005642712e2350 R15: 0000000000000000
| [   15.334772][  T176] ------------[ cut here ]------------
| [   15.334994][  T176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: bash/176
| [   15.335320][  T176] Modules linked in: veth netdevsim
| [   15.335987][  T176] Tainted: [W]=WARN
[   15.336106][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.336298][  T176] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.336541][  T176] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.337140][  T176] RSP: 0018:ffa0000000807728 EFLAGS: 00010286
[   15.337335][  T176] RAX: 00000000ffffffa6 RBX: ff11000009b74340 RCX: 1ff4000000100eab
[   15.337565][  T176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b743f0
[   15.337802][  T176] RBP: ff1100000c572000 R08: 1fe220000136e87f R09: ff1100000a48af48
[   15.338036][  T176] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.338263][  T176] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.338494][  T176] FS:  00007fcb26dc2740(0000) GS:ff1100008253b000(0000) knlGS:0000000000000000
[   15.338776][  T176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.338976][  T176] CR2: 000055caad22cd5c CR3: 000000000a645002 CR4: 0000000000771ef0
[   15.339205][  T176] PKRU: 55555554
[   15.339322][  T176] Call Trace:
[   15.339437][  T176]  <TASK>
[   15.339517][  T176]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.339719][  T176]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.339910][  T176]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   15.340072][  T176]  ? netdev_run_todo (net/core/dev.c:11703)
[   15.340224][  T176]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.340377][  T176]  ? 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)
[   15.340532][  T176]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[   15.340688][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.340849][  T176]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   15.341007][  T176] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   15.341162][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.341315][  T176] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   15.341506][  T176] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   15.341702][  T176] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   15.341861][  T176]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   15.342060][  T176]  bus_remove_device (drivers/base/bus.c:657)
[   15.342213][  T176]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[   15.342365][  T176]  ? device_remove_file (drivers/base/core.c:3073)
[   15.342519][  T176]  device_del (drivers/base/core.c:3895)
[   15.342635][  T176]  ? __device_link_del (./include/linux/kobject.h:89)
[   15.342801][  T176]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[   15.342958][  T176]  device_unregister (drivers/base/core.c:3936)
[   15.343110][  T176] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   15.343299][  T176]  ? 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))
[   15.343451][  T176]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[   15.343639][  T176]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[   15.343799][  T176]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[   15.343960][  T176]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   15.344111][  T176]  ? kernfs_ops (fs/kernfs/file.c:128)
[   15.344227][  T176]  new_sync_write (fs/read_write.c:595)
[   15.344380][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.344533][  T176]  ? new_sync_read (./include/linux/ioprio.h:41)
[   15.344692][  T176]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.344851][  T176]  ? ksys_write (fs/read_write.c:740)
[   15.345013][  T176]  vfs_write (fs/read_write.c:688)
[   15.345131][  T176]  ksys_write (fs/read_write.c:740)
[   15.345246][  T176]  ? __ia32_sys_read (fs/read_write.c:724)
[   15.345401][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.345552][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.345710][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.345866][  T176]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.346022][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.346174][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.346363][  T176] RIP: 0033:0x7fcb26e3508e
[   15.346523][  T176] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.347085][  T176] RSP: 002b:00007ffe5669c8c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   15.347321][  T176] RAX: ffffffffffffffda RBX: 00007fcb26fb7580 RCX: 00007fcb26e3508e
[   15.347552][  T176] RDX: 0000000000000005 RSI: 00005642712e2350 RDI: 0000000000000001
[   15.347793][  T176] RBP: 00007ffe5669c8d0 R08: 0000000000000000 R09: 0000000000000000
[   15.348027][  T176] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   15.348255][  T176] R13: 0000000000000005 R14: 00005642712e2350 R15: 0000000000000000
| [   15.405071][   T12] ------------[ cut here ]------------
| [   15.405246][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.405499][   T12] Modules linked in: veth netdevsim
| [   15.405960][   T12] Tainted: [W]=WARN
[   15.406056][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.406218][   T12] Workqueue: netns cleanup_net
[   15.406351][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.406514][   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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.407033][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.407194][   T12] RAX: 00000000ffffffa6 RBX: ff11000009b74040 RCX: 1ff4000000018eaf
[   15.407380][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009b740f0
[   15.407565][   T12] RBP: ff1100000a211000 R08: 1fe220000136e81f R09: ff11000001b051d0
[   15.407766][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   15.407964][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c87c000
[   15.408154][   T12] FS:  0000000000000000(0000) GS:ff1100008243b000(0000) knlGS:0000000000000000
[   15.408371][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.408530][   T12] CR2: 00007f3351f88580 CR3: 0000000031939003 CR4: 0000000000771ef0
[   15.408733][   T12] PKRU: 55555554
[   15.408890][   T12] Call Trace:
[   15.408994][   T12]  <TASK>
[   15.409060][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.409192][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.409288][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.409413][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.409539][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.409664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.409806][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.409940][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.410097][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   15.410223][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.410379][   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)
[   15.410506][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.410661][   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)
[   15.410793][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.410934][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.411060][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   15.411185][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.411311][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.411435][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.411557][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.411692][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.411822][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.411951][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.412079][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.412205][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.412329][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.412454][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.412580][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.412714][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.412850][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.412978][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.413161][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.413307][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.413431][   T12]  kthread (kernel/kthread.c:436)
[   15.413527][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.413694][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.413834][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.413971][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.414127][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.414251][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.414375][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.417836][   T12] ------------[ cut here ]------------
| [   15.417986][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.418241][   T12] Modules linked in: veth netdevsim
| [   15.418656][   T12] Tainted: [W]=WARN
[   15.418761][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.418920][   T12] Workqueue: netns cleanup_net
[   15.419059][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.419224][   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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.419673][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.419849][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d2987c0 RCX: 1ff4000000018eaf
[   15.420042][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d298870
[   15.420229][   T12] RBP: ff1100000c87c000 R08: 1fe2200001a5310f R09: ff11000001b051d0
[   15.420463][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   15.420667][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e8
[   15.420886][   T12] FS:  0000000000000000(0000) GS:ff1100008243b000(0000) knlGS:0000000000000000
[   15.421114][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.421271][   T12] CR2: 00007f3351f88580 CR3: 0000000031939003 CR4: 0000000000771ef0
[   15.421459][   T12] PKRU: 55555554
[   15.421553][   T12] Call Trace:
[   15.421646][   T12]  <TASK>
[   15.421718][   T12]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   15.421849][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.421986][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.422112][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.422207][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.422331][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.422453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.422576][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.422709][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.422839][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.422998][   T12]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   15.423123][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.423278][   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)
[   15.423401][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.423554][   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)
[   15.423678][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.423872][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.424003][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   15.424125][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.424249][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.424372][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.424494][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.424619][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.424757][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.424883][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.425018][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.425143][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.425346][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.425547][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.425669][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.425810][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.425943][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.426067][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.426276][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.426405][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.426528][   T12]  kthread (kernel/kthread.c:436)
[   15.426622][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.426868][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.427001][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.427127][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.427281][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.427482][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.427607][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.432099][   T12] ------------[ cut here ]------------
| [   15.432237][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.432485][   T12] Modules linked in: veth netdevsim
| [   15.432972][   T12] Tainted: [W]=WARN
[   15.433063][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.433215][   T12] Workqueue: netns cleanup_net
[   15.433341][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.433498][   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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.433949][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.434101][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f610c40 RCX: 1ff4000000018ed5
[   15.434282][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f610cf0
[   15.434460][   T12] RBP: ff1100000a211000 R08: 1fe2200001ec219f R09: ff11000001b051d0
[   15.434646][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.434844][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.435031][   T12] FS:  0000000000000000(0000) GS:ff110000823bb000(0000) knlGS:0000000000000000
[   15.435245][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.435398][   T12] CR2: 00007fe4541b0f98 CR3: 0000000031939002 CR4: 0000000000771ef0
[   15.435582][   T12] PKRU: 55555554
[   15.435672][   T12] Call Trace:
[   15.435781][   T12]  <TASK>
[   15.435848][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.436009][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.436163][   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)
[   15.436284][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.436410][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.436533][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   15.436653][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.436790][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.436917][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.437043][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.437168][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.437292][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.437415][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.437540][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.437663][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.437795][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.437921][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.438049][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.438172][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.438297][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.438416][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.438542][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.438667][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.438848][   T12]  kthread (kernel/kthread.c:436)
[   15.438943][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.439094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.439216][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.439337][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.439487][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.439608][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.439782][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.442548][   T12] ------------[ cut here ]------------
| [   15.442679][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.442937][   T12] Modules linked in: veth netdevsim
| [   15.443348][   T12] Tainted: [W]=WARN
[   15.443440][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.443589][   T12] Workqueue: netns cleanup_net
[   15.443723][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.443884][   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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.444319][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.444471][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f611240 RCX: 1ff4000000018ed5
[   15.444652][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f6112f0
[   15.444845][   T12] RBP: ff1100000c87c000 R08: 1fe2200001ec225f R09: ff11000001b051d0
[   15.445031][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.445209][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.445390][   T12] FS:  0000000000000000(0000) GS:ff1100008243b000(0000) knlGS:0000000000000000
[   15.445602][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.445758][   T12] CR2: 00007f3351f88580 CR3: 0000000031939003 CR4: 0000000000771ef0
[   15.445943][   T12] PKRU: 55555554
[   15.446033][   T12] Call Trace:
[   15.446124][   T12]  <TASK>
[   15.446187][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.446344][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.446492][   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)
[   15.446611][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.446742][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.446866][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   15.446990][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.447110][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.447229][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.447349][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.447470][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.447591][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.447716][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.447845][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.447969][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.448088][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.448210][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.448329][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.448450][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.448573][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.448695][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.448823][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.448957][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.449080][   T12]  kthread (kernel/kthread.c:436)
[   15.449172][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.449320][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.449441][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.449563][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.449721][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.449844][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.449970][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.452240][   T12] ------------[ cut here ]------------
| [   15.452364][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.452600][   T12] Modules linked in: veth netdevsim
| [   15.453057][   T12] Tainted: [W]=WARN
[   15.453147][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.453296][   T12] Workqueue: netns cleanup_net
[   15.453419][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.453577][   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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.454022][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.454250][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f611840 RCX: 1ff4000000018ed5
[   15.454429][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f6118f0
[   15.454608][   T12] RBP: ff11000005c04000 R08: 1fe2200001ec231f R09: ff11000001b051d0
[   15.454807][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   15.454993][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.455174][   T12] FS:  0000000000000000(0000) GS:ff1100008243b000(0000) knlGS:0000000000000000
[   15.455459][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.455608][   T12] CR2: 00007f3351f88580 CR3: 0000000031939003 CR4: 0000000000771ef0
[   15.455798][   T12] PKRU: 55555554
[   15.455889][   T12] Call Trace:
[   15.455983][   T12]  <TASK>
[   15.456045][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.456201][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.456420][   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)
[   15.456537][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.456660][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.456861][   T12]  ? generic_xdp_install (./include/linux/netdevice.h:5659)
[   15.456985][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.457106][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.457227][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.457345][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.457470][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.457664][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.457790][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.457918][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.458043][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.458239][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.458433][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.458552][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.458673][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.458809][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.458953][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.459158][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.459285][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.459403][   T12]  kthread (kernel/kthread.c:436)
[   15.459494][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.459725][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.459857][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.459982][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.460205][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.460398][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_change_name:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:netif_close_many_and_unlock:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch