======================================
| xx__-> [    9.086507][  T127] ------------[ cut here ]------------
| [    9.086745][  T127] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: rt-addr.sh/127
| [    9.087093][  T127] Modules linked in: netdevsim
| [    9.087730][  T127] Tainted: [W]=WARN
[    9.087855][  T127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.088090][  T127] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.088316][  T127] 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
[    9.088901][  T127] RSP: 0018:ffa0000000617500 EFLAGS: 00010286
[    9.089152][  T127] RAX: 00000000ffffffa6 RBX: ff11000004a44340 RCX: 1ff40000000c2e66
[    9.089405][  T127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a443f0
[    9.089651][  T127] RBP: ff11000009702000 R08: 1fe220000094887f R09: ff1100000cd80c48
[    9.089898][  T127] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.090150][  T127] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009702000
[    9.090406][  T127] FS:  00007f8c72855740(0000) GS:ff11000095d3b000(0000) knlGS:0000000000000000
[    9.090697][  T127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.090912][  T127] CR2: 0000563603f9d328 CR3: 00000000024ac003 CR4: 0000000000771ef0
[    9.091163][  T127] PKRU: 55555554
[    9.091293][  T127] Call Trace:
[    9.091420][  T127]  <TASK>
[    9.091505][  T127]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.091674][  T127]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.091800][  T127]  register_netdevice (net/core/dev.c:11488)
[    9.091966][  T127]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.092243][  T127]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    9.092419][  T127] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    9.092629][  T127] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    9.092799][  T127] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    9.093004][  T127]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    9.093177][  T127]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    9.093388][  T127]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[    9.093556][  T127]  ? static_obj (kernel/locking/lockdep.c:858)
[    9.093682][  T127]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.093851][  T127]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    9.094064][  T127] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    9.094232][  T127]  call_driver_probe (drivers/base/dd.c:629)
[    9.094402][  T127]  really_probe (drivers/base/dd.c:709)
[    9.094570][  T127]  ? driver_probe_device (drivers/base/dd.c:135)
[    9.094736][  T127]  __driver_probe_device (drivers/base/dd.c:871)
[    9.094903][  T127]  driver_probe_device (drivers/base/dd.c:901)
[    9.095072][  T127]  __device_attach_driver (drivers/base/dd.c:1029)
[    9.095237][  T127]  bus_for_each_drv (drivers/base/bus.c:500)
[    9.095529][  T127]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    9.095698][  T127]  __device_attach (drivers/base/dd.c:1101)
[    9.095860][  T127]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.096029][  T127]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    9.096359][  T127]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.096524][  T127]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    9.096691][  T127]  device_initial_probe (drivers/base/dd.c:1156)
[    9.096857][  T127]  bus_probe_device (drivers/base/bus.c:613)
[    9.097027][  T127]  device_add (drivers/base/core.c:3706)
[    9.097192][  T127]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    9.097401][  T127]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    9.097568][  T127]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    9.097736][  T127] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    9.097941][  T127]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.098112][  T127]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    9.098438][  T127]  ? 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))
[    9.098725][  T127]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.098893][  T127]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.099062][  T127]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.099228][  T127]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.099354][  T127]  new_sync_write (fs/read_write.c:595)
[    9.099636][  T127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.099803][  T127]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.099968][  T127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.100136][  T127]  ? ksys_write (fs/read_write.c:740)
[    9.100308][  T127]  vfs_write (fs/read_write.c:688)
[    9.100435][  T127]  ksys_write (fs/read_write.c:740)
[    9.100675][  T127]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.100841][  T127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.101005][  T127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.101175][  T127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.101343][  T127]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.101509][  T127]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.101673][  T127]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.101880][  T127] RIP: 0033:0x7f8c728c808e
[    9.102056][  T127] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.102762][  T127] RSP: 002b:00007ffcbf7b4fb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.103011][  T127] RAX: ffffffffffffffda RBX: 00007f8c72a4a580 RCX: 00007f8c728c808e
[    9.103318][  T127] RDX: 0000000000000007 RSI: 0000563603f9c320 RDI: 0000000000000001
[    9.103562][  T127] RBP: 00007ffcbf7b4fc0 R08: 0000000000000000 R09: 0000000000000000
[    9.103806][  T127] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    9.104055][  T127] R13: 0000000000000007 R14: 0000563603f9c320 R15: 0000000000000000
| [    9.333841][  T137] ------------[ cut here ]------------
| [    9.333985][  T137] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/137
| [    9.334304][  T137] Modules linked in: netdevsim
| [    9.334752][  T137] Tainted: [W]=WARN
[    9.334853][  T137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.335036][  T137] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.335214][  T137] 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
[    9.335695][  T137] RSP: 0018:ffa0000000517038 EFLAGS: 00010286
[    9.335867][  T137] RAX: 00000000ffffffa6 RBX: ff11000009436c40 RCX: 1ff40000000a2dcd
[    9.336069][  T137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009436cf0
[    9.336268][  T137] RBP: ff11000009702000 R08: 1fe2200001286d9f R09: ff1100000aa0d180
[    9.336472][  T137] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[    9.336667][  T137] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    9.336868][  T137] FS:  00007f4d25b1c840(0000) GS:ff11000095bbb000(0000) knlGS:0000000000000000
[    9.337106][  T137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.337272][  T137] CR2: 0000000001ff0988 CR3: 000000000b1c5004 CR4: 0000000000771ef0
[    9.337476][  T137] PKRU: 55555554
[    9.337574][  T137] Call Trace:
[    9.337676][  T137]  <TASK>
[    9.337746][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.337879][  T137]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    9.338012][  T137]  notifier_call_chain (kernel/notifier.c:85)
[    9.338158][  T137]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[    9.338296][  T137]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[    9.338460][  T137]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.338597][  T137]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.338734][  T137]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[    9.338869][  T137]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.339000][  T137]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.339169][  T137]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.339304][  T137]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.339437][  T137]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.339570][  T137]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.339704][  T137]  ? __kernel_text_address (kernel/extable.c:79)
[    9.339837][  T137]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.339972][  T137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.340110][  T137]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.340243][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.340379][  T137]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.340509][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.340640][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.340773][  T137]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.340907][  T137]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.341127][  T137]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.341261][  T137]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.341463][  T137]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.341592][  T137]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.341729][  T137]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.341862][  T137]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.342000][  T137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.342189][  T137]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.342343][  T137]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.342471][  T137]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.342600][  T137]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.342735][  T137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.342866][  T137]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.342994][  T137]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.343200][  T137]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.343336][  T137]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.343470][  T137]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.343603][  T137]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.343734][  T137]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.343865][  T137]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.343997][  T137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.344200][  T137]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.344337][  T137]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.344468][  T137]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.344601][  T137]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.344736][  T137]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.344879][  T137]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.345012][  T137]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.345217][  T137]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.345351][  T137]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.345484][  T137]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.345617][  T137]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.345749][  T137]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.345884][  T137]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.346016][  T137]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.346190][  T137]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.346357][  T137]  ? move_addr_to_kernel (net/socket.c:258)
[    9.346489][  T137]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.346622][  T137]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.346754][  T137]  ___sys_sendmsg (net/socket.c:2752)
[    9.346883][  T137]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.347052][  T137]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.347196][  T137]  __sys_sendmsg (net/socket.c:2784)
[    9.347330][  T137]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.347459][  T137]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.347625][  T137]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.347756][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.347887][  T137]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.348024][  T137]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.348154][  T137]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.348290][  T137]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.348457][  T137] RIP: 0033:0x7f4d25d5608e
[    9.348596][  T137] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.349067][  T137] RSP: 002b:00007ffccca98300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.349264][  T137] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4d25d5608e
[    9.349466][  T137] RDX: 0000000000000000 RSI: 00007ffccca983b0 RDI: 0000000000000003
[    9.349664][  T137] RBP: 00007ffccca98310 R08: 0000000000000000 R09: 0000000000000000
[    9.349859][  T137] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d416
[    9.350061][  T137] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccca98a70
| [    9.375647][  T138] ------------[ cut here ]------------
| [    9.375801][  T138] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/138
| [    9.376045][  T138] Modules linked in: netdevsim
| [    9.376455][  T138] Tainted: [W]=WARN
[    9.376558][  T138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.376722][  T138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.376894][  T138] 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
[    9.377372][  T138] RSP: 0018:ffa0000000667020 EFLAGS: 00010286
[    9.377544][  T138] RAX: 00000000ffffffa6 RBX: ff11000008ff7b40 RCX: 1ff40000000ccdca
[    9.377743][  T138] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ff7bf0
[    9.377940][  T138] RBP: ff11000009702000 R08: 1fe22000011fef7f R09: ff11000001135180
[    9.378145][  T138] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.378351][  T138] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.378549][  T138] FS:  00007fcc6e3ad840(0000) GS:ff11000095bbb000(0000) knlGS:0000000000000000
[    9.378784][  T138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.378952][  T138] CR2: 00000000069ca988 CR3: 0000000004b7c006 CR4: 0000000000771ef0
[    9.379220][  T138] PKRU: 55555554
[    9.379326][  T138] Call Trace:
[    9.379425][  T138]  <TASK>
[    9.379494][  T138]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    9.379629][  T138]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.379818][  T138]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.379920][  T138]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.380107][  T138]  __dev_notify_flags (net/core/dev.c:9787)
[    9.380242][  T138]  ? netif_change_name (net/core/dev.c:1495)
[    9.380381][  T138]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.380513][  T138]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.380643][  T138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.380775][  T138]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.380909][  T138]  netif_change_flags (net/core/dev.c:9820)
[    9.381097][  T138]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.381235][  T138]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.381373][  T138]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.381536][  T138]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.381670][  T138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.381804][  T138]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.381936][  T138]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.382160][  T138]  ? __kernel_text_address (kernel/extable.c:79)
[    9.382304][  T138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.382438][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.382570][  T138]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.382702][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.382834][  T138]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.382966][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.383163][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.383305][  T138]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.383439][  T138]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.383572][  T138]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.383708][  T138]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.383841][  T138]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.383976][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.384209][  T138]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.384349][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.384484][  T138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.384616][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.384748][  T138]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.384883][  T138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.385018][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.385225][  T138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.385362][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.385494][  T138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.385630][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.385762][  T138]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.385894][  T138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.386115][  T138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.386245][  T138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.386384][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.386515][  T138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.386649][  T138]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.386783][  T138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.386917][  T138]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.387117][  T138]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.387249][  T138]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.387386][  T138]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.387521][  T138]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.387653][  T138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.387791][  T138]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.387926][  T138]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.388069][  T138]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.388205][  T138]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.388346][  T138]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.388477][  T138]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.388640][  T138]  ? move_addr_to_kernel (net/socket.c:258)
[    9.388776][  T138]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.388909][  T138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.389049][  T138]  ___sys_sendmsg (net/socket.c:2752)
[    9.389183][  T138]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.389351][  T138]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.389496][  T138]  __sys_sendmsg (net/socket.c:2784)
[    9.389629][  T138]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.389763][  T138]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.389931][  T138]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.390067][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.390201][  T138]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.390338][  T138]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.390471][  T138]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.390605][  T138]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.390773][  T138] RIP: 0033:0x7fcc6e5e708e
[    9.390917][  T138] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.391399][  T138] RSP: 002b:00007ffedd1808a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.391600][  T138] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcc6e5e708e
[    9.391800][  T138] RDX: 0000000000000000 RSI: 00007ffedd180950 RDI: 0000000000000003
[    9.391997][  T138] RBP: 00007ffedd1808b0 R08: 0000000000000000 R09: 0000000000000000
[    9.392201][  T138] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d416
[    9.392406][  T138] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedd181010
| [    9.568111][  T127] ------------[ cut here ]------------
| [    9.568502][  T127] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: rt-addr.sh/127
| [    9.568954][  T127] Modules linked in: netdevsim
| [    9.569710][  T127] Tainted: [W]=WARN
[    9.569946][  T127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.570328][  T127] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.570708][  T127] 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
[    9.571438][  T127] RSP: 0018:ffa00000006175a8 EFLAGS: 00010286
[    9.571690][  T127] RAX: 00000000ffffffa6 RBX: ff1100000cf86640 RCX: 1ff40000000c2e7b
[    9.571975][  T127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cf866f0
[    9.572280][  T127] RBP: ff11000009702000 R08: 1fe22000019f0cdf R09: ff1100000cd80c70
[    9.572577][  T127] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[    9.572866][  T127] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000617698
[    9.573236][  T127] FS:  00007f8c72855740(0000) GS:ff11000095cbb000(0000) knlGS:0000000000000000
[    9.573581][  T127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.573832][  T127] CR2: 00005635c6b118e0 CR3: 00000000024ac003 CR4: 0000000000771ef0
[    9.574137][  T127] PKRU: 55555554
[    9.574315][  T127] Call Trace:
[    9.574485][  T127]  <TASK>
[    9.574617][  T127]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.574833][  T127]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.575005][  T127]  netif_close_many (net/core/dev.c:1804)
[    9.575227][  T127]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.575464][  T127]  ? __dev_close_many (net/core/dev.c:1781)
[    9.575676][  T127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.575891][  T127]  netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.576117][  T127]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[    9.576372][  T127]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[    9.576622][  T127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.576833][  T127]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.577055][  T127]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.577262][  T127]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.577481][  T127]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.577744][  T127]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.577955][  T127]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.578178][  T127]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.578396][  T127]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.578611][  T127]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.578820][  T127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.579042][  T127]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.579255][  T127] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.579477][  T127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.579688][  T127] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.579941][  T127] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.580203][  T127] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.580423][  T127]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.580676][  T127]  bus_remove_device (drivers/base/bus.c:657)
[    9.580890][  T127]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.581111][  T127]  ? device_remove_file (drivers/base/core.c:3073)
[    9.581331][  T127]  device_del (drivers/base/core.c:3895)
[    9.581503][  T127]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.581713][  T127]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.581922][  T127]  device_unregister (drivers/base/core.c:3936)
[    9.582146][  T127] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.582408][  T127]  ? 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))
[    9.582617][  T127]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.582864][  T127]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.583085][  T127]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.583305][  T127]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.583558][  T127]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.583792][  T127]  new_sync_write (fs/read_write.c:595)
[    9.584113][  T127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.584416][  T127]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.584629][  T127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.584839][  T127]  ? ksys_write (fs/read_write.c:740)
[    9.585065][  T127]  vfs_write (fs/read_write.c:688)
[    9.585238][  T127]  ksys_write (fs/read_write.c:740)
[    9.585417][  T127]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.585624][  T127]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.585836][  T127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.586060][  T127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.586268][  T127]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.586486][  T127]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.586696][  T127]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.586942][  T127] RIP: 0033:0x7f8c728c808e
[    9.587172][  T127] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.587795][  T127] RSP: 002b:00007ffcbf7b5510 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.588099][  T127] RAX: ffffffffffffffda RBX: 00007f8c72a4a580 RCX: 00007f8c728c808e
[    9.588400][  T127] RDX: 0000000000000005 RSI: 0000563603f9c320 RDI: 0000000000000001
[    9.588691][  T127] RBP: 00007ffcbf7b5520 R08: 0000000000000000 R09: 0000000000000000
[    9.589013][  T127] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    9.589540][  T127] R13: 0000000000000005 R14: 0000563603f9c320 R15: 0000000000000000
| [    9.599455][  T127] ------------[ cut here ]------------
| [    9.599658][  T127] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: rt-addr.sh/127
| [    9.599999][  T127] Modules linked in: netdevsim
| [    9.600562][  T127] Tainted: [W]=WARN
[    9.600679][  T127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.600872][  T127] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.601113][  T127] 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
[    9.601668][  T127] RSP: 0018:ffa0000000617728 EFLAGS: 00010286
[    9.601863][  T127] RAX: 00000000ffffffa6 RBX: ff11000008ff6040 RCX: 1ff40000000c2eab
[    9.602104][  T127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ff60f0
[    9.602339][  T127] RBP: ff11000009702000 R08: 1fe22000011fec1f R09: ff1100000cd80c48
[    9.602569][  T127] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.602798][  T127] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.603036][  T127] FS:  00007f8c72855740(0000) GS:ff11000095bbb000(0000) knlGS:0000000000000000
[    9.603310][  T127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.603503][  T127] CR2: 00007be6adcce000 CR3: 00000000024ac003 CR4: 0000000000771ef0
[    9.603734][  T127] PKRU: 55555554
[    9.603848][  T127] Call Trace:
[    9.603962][  T127]  <TASK>
[    9.604048][  T127]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.604243][  T127]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.604436][  T127]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.604587][  T127]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.604739][  T127]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.604891][  T127]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.605052][  T127]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.605204][  T127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.605363][  T127]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.605518][  T127] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.605675][  T127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.605846][  T127] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.606044][  T127] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.606236][  T127] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.606394][  T127]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.606593][  T127]  bus_remove_device (drivers/base/bus.c:657)
[    9.606746][  T127]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.606896][  T127]  ? device_remove_file (drivers/base/core.c:3073)
[    9.607056][  T127]  device_del (drivers/base/core.c:3895)
[    9.607172][  T127]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.607333][  T127]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.607487][  T127]  device_unregister (drivers/base/core.c:3936)
[    9.607637][  T127] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.607829][  T127]  ? 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))
[    9.607982][  T127]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.608179][  T127]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.608348][  T127]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.608513][  T127]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.608675][  T127]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.608803][  T127]  new_sync_write (fs/read_write.c:595)
[    9.608956][  T127]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.609114][  T127]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.609267][  T127]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.609428][  T127]  ? ksys_write (fs/read_write.c:740)
[    9.609583][  T127]  vfs_write (fs/read_write.c:688)
[    9.609699][  T127]  ksys_write (fs/read_write.c:740)
[    9.609813][  T127]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.609964][  T127]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.610124][  T127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.610276][  T127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.610434][  T127]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.610589][  T127]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.610742][  T127]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.610933][  T127] RIP: 0033:0x7f8c728c808e
[    9.611099][  T127] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.611641][  T127] RSP: 002b:00007ffcbf7b5510 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.611873][  T127] RAX: ffffffffffffffda RBX: 00007f8c72a4a580 RCX: 00007f8c728c808e
[    9.612111][  T127] RDX: 0000000000000005 RSI: 0000563603f9c320 RDI: 0000000000000001
[    9.612343][  T127] RBP: 00007ffcbf7b5520 R08: 0000000000000000 R09: 0000000000000000
[    9.612578][  T127] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005


Finger prints:
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
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_close_many:netif_close_many_and_unlock:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create