======================================
| [  157.824663][ T2731] 8021q: adding VLAN 0 to HW filter on device eni1337np2
| [  158.866753][  T761] ------------[ cut here ]------------
| [  158.867152][  T761] WARNING: drivers/net/netdevsim/netdev.c:1234 at nsim_destroy+0x128/0x7b0 [netdevsim], CPU#0: devlink_trap.sh/761
| [  158.867685][  T761] Modules linked in: netdevsim macsec [last unloaded: netdevsim]
[  158.868698][  T761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  158.868993][  T761] RIP: 0010:nsim_destroy (drivers/net/netdevsim/netdev.c:1234 (discriminator 2)) netdevsim
[  158.869288][  T761] Code: 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 0f 85 47 06 00 00 48 8b 3b e8 84 17 ac c4 31 c0 48 8d ab 48 07 00 00 eb 07 90 <0f> 0b 90 83 c0 01 0f b7 d0 be 00 10 00 00 48 89 ef e8 e2 22 f0 c3
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 fc                	add    %bh,%ah
   6:	ff                   	lcall  (bad)
   7:	df 48 c1             	fisttps -0x3f(%rax)
   a:	e9 03 80 3c 01       	jmp    0x13c8012
   f:	00 0f                	add    %cl,(%rdi)
  11:	85 47 06             	test   %eax,0x6(%rdi)
  14:	00 00                	add    %al,(%rax)
  16:	48 8b 3b             	mov    (%rbx),%rdi
  19:	e8 84 17 ac c4       	call   0xffffffffc4ac17a2
  1e:	31 c0                	xor    %eax,%eax
  20:	48 8d ab 48 07 00 00 	lea    0x748(%rbx),%rbp
  27:	eb 07                	jmp    0x30
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	83 c0 01             	add    $0x1,%eax
  30:	0f b7 d0             	movzwl %ax,%edx
  33:	be 00 10 00 00       	mov    $0x1000,%esi
  38:	48 89 ef             	mov    %rbp,%rdi
  3b:	e8 e2 22 f0 c3       	call   0xffffffffc3f02322

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	83 c0 01             	add    $0x1,%eax
   6:	0f b7 d0             	movzwl %ax,%edx
   9:	be 00 10 00 00       	mov    $0x1000,%esi
   e:	48 89 ef             	mov    %rbp,%rdi
  11:	e8 e2 22 f0 c3       	call   0xffffffffc3f022f8
[  158.870078][  T761] RSP: 0018:ffa0000000aa7b70 EFLAGS: 00010293
[  158.870389][  T761] RAX: 0000000000000000 RBX: ff1100000d582d00 RCX: ff1100000d583448
[  158.870708][  T761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
[  158.871049][  T761] RBP: ff1100000d583448 R08: ff1100000d583448 R09: 0000000000000000
[  158.871393][  T761] R10: 1fe2200001ab0689 R11: 0000000000000001 R12: dffffc0000000000
[  158.871708][  T761] R13: ff110000092e7b58 R14: 0000000000000002 R15: ffffffff83f4fcc0
[  158.872051][  T761] FS:  00007f24d4e4dbc0(0000) GS:ff110000a7e85000(0000) knlGS:0000000000000000
[  158.872440][  T761] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  158.872713][  T761] CR2: 0000559ecf160448 CR3: 0000000004a7b004 CR4: 0000000000771ef0
[  158.873043][  T761] PKRU: 55555554
[  158.873208][  T761] Call Trace:
[  158.873373][  T761]  <TASK>
[  158.873488][  T761]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[  158.873712][  T761] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:444 drivers/net/netdevsim/dev.c:1529) netdevsim
[  158.873989][  T761]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[  158.874204][  T761] nsim_drv_port_del (drivers/net/netdevsim/dev.c:1836) netdevsim
[  158.874481][  T761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  158.874696][  T761] del_port_store (drivers/net/netdevsim/bus.c:118) netdevsim
[  158.874925][  T761]  ? sysfs_file_kobj (./include/linux/rcupdate.h:322 (discriminator 1) ./include/linux/rcupdate.h:881 (discriminator 1) ./include/linux/rcupdate.h:1193 (discriminator 1) fs/sysfs/file.c:24 (discriminator 1))
[  158.875140][  T761]  ? del_device_store (drivers/net/netdevsim/bus.c:106) netdevsim
[  158.875411][  T761]  ? sysfs_file_kobj (fs/sysfs/file.c:26)
[  158.875621][  T761]  ? sysfs_kf_write (fs/sysfs/file.c:139)
[  158.875841][  T761]  kernfs_fop_write_iter (fs/kernfs/file.c:88 fs/kernfs/file.c:356)
[  158.876055][  T761]  ? kernfs_ops (fs/kernfs/file.c:312)
[  158.876219][  T761]  new_sync_write (fs/read_write.c:596 (discriminator 1))
[  158.876439][  T761]  ? new_sync_read (fs/read_write.c:586)
[  158.876658][  T761]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  158.876876][  T761]  ? ksys_write (fs/read_write.c:741)
[  158.877096][  T761]  vfs_write (fs/read_write.c:688)
[  158.877259][  T761]  ksys_write (fs/read_write.c:741)
[  158.877426][  T761]  ? __ia32_sys_read (fs/read_write.c:730)
[  158.877637][  T761]  ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  158.877854][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  158.878069][  T761]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  158.878283][  T761]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  158.878500][  T761]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  158.878763][  T761] RIP: 0033:0x7f24d4ebdc5e
[  158.878998][  T761] Code: 4d 89 d8 e8 34 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 13 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 34 bd 00 00       	call   0xbd3c
   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 13 ff ff ff       	call   0xffffffffffffff4c
  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 13 ff ff ff       	call   0xffffffffffffff22
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  158.879761][  T761] RSP: 002b:00007ffc80203020 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  158.880098][  T761] RAX: ffffffffffffffda RBX: 00007f24d50395c0 RCX: 00007f24d4ebdc5e
[  158.880427][  T761] RDX: 0000000000000002 RSI: 0000559ecf16ec00 RDI: 0000000000000001
[  158.880747][  T761] RBP: 00007ffc80203030 R08: 0000000000000000 R09: 0000000000000000
[  158.881071][  T761] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002


Finger prints:
nsim_destroy:__nsim_dev_port_del:nsim_drv_port_del:del_port_store:kernfs_fop_write_iter