======================================
| 0
| xx__-> [   20.833671][  T247] ------------[ cut here ]------------
| [   20.833910][  T247] WARNING: drivers/net/netdevsim/netdev.c:1234 at nsim_destroy+0x128/0x7b0 [netdevsim], CPU#3: rmmod/247
| [   20.834250][  T247] Modules linked in: netconsole netdevsim(-)
[   20.834736][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.834931][  T247] RIP: 0010:nsim_destroy (drivers/net/netdevsim/netdev.c:1234 (discriminator 2)) netdevsim
[   20.835131][  T247] 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 dc 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 db
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 dc       	call   0xffffffffdcac17a2
  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 db       	call   0xffffffffdbf02322

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 db       	call   0xffffffffdbf022f8
[   20.835654][  T247] RSP: 0018:ffa00000005d7b58 EFLAGS: 00010293
[   20.835840][  T247] RAX: 0000000000000000 RBX: ff1100000caa2d00 RCX: ff1100000caa3448
[   20.836069][  T247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
[   20.836291][  T247] RBP: ff1100000caa3448 R08: ff1100000caa3448 R09: 0000000000000000
[   20.836513][  T247] R10: 1fe2200001954689 R11: 0000000000000001 R12: ff1100000bb93c98
[   20.836732][  T247] R13: dffffc0000000000 R14: ff1100000bb93800 R15: ffffffffc02f1380
[   20.836961][  T247] FS:  00007fc8b317cbc0(0000) GS:ff11000095c05000(0000) knlGS:0000000000000000
[   20.837220][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.837403][  T247] CR2: 00007fc8b31a90d0 CR3: 000000000c8f2002 CR4: 0000000000771ef0
[   20.837627][  T247] PKRU: 55555554
[   20.837737][  T247] Call Trace:
[   20.837847][  T247]  <TASK>
[   20.837930][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[   20.838086][  T247] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:444 drivers/net/netdevsim/dev.c:1529) netdevsim
[   20.838265][  T247]  ? devl_lock_is_held (net/devlink/core.c:285 (discriminator 1))
[   20.838411][  T247] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1538 (discriminator 4) drivers/net/netdevsim/dev.c:1764 (discriminator 4)) netdevsim
[   20.838596][  T247] nsim_drv_remove (drivers/net/netdevsim/dev.c:1781) netdevsim
[   20.838740][  T247]  device_release_driver_internal (drivers/base/dd.c:1286 drivers/base/dd.c:1307)
[   20.839427][  T247]  bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:623)
[   20.839578][  T247]  device_del (drivers/base/core.c:3879)
[   20.839688][  T247]  ? __device_link_del (drivers/base/core.c:3833)
[   20.839836][  T247]  device_unregister (drivers/base/core.c:3796 drivers/base/core.c:3920)
[   20.839983][  T247] nsim_bus_exit (drivers/net/netdevsim/bus.c:530 (discriminator 4)) netdevsim
[   20.840138][  T247] nsim_module_exit (drivers/net/netdevsim/netdev.c:1290) netdevsim
[   20.840322][  T247]  __do_sys_delete_module (kernel/module/main.c:836)
[   20.840471][  T247]  ? module_flags (kernel/module/main.c:778)
[   20.840614][  T247]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[   20.840764][  T247]  ? 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)
[   20.840912][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[   20.841062][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[   20.841207][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.841351][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   20.841536][  T247] RIP: 0033:0x7fc8b327437b
[   20.841692][  T247] Code: 73 01 c3 48 8b 0d 85 2a 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 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 2a 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 85 2a 0f 00 	mov    0xf2a85(%rip),%rcx        # 0xf2a8f
   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 b0 00 00 00       	mov    $0xb0,%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 55 2a 0f 00 	mov    0xf2a55(%rip),%rcx        # 0xf2a8f
  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 55 2a 0f 00 	mov    0xf2a55(%rip),%rcx        # 0xf2a65
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.842214][  T247] RSP: 002b:00007ffd05c3c648 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
[   20.842432][  T247] RAX: ffffffffffffffda RBX: 000055dba612b7e0 RCX: 00007fc8b327437b
[   20.842651][  T247] RDX: 0000000000000003 RSI: 0000000000000800 RDI: 000055dba612b840
[   20.842868][  T247] RBP: 00007ffd05c3c670 R08: 0000000000000000 R09: 0000000000000000
[   20.843091][  T247] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[   20.843305][  T247] R13: 00007ffd05c3d6d1 R14: 00007ffd05c3c8c0 R15: 0000000000000000
| [   22.707284][  T189] ------------[ cut here ]------------
| [   22.707517][  T189] WARNING: drivers/net/netdevsim/netdev.c:1234 at nsim_destroy+0x128/0x7b0 [netdevsim], CPU#3: bash/189
| [   22.707824][  T189] Modules linked in: netdevsim netconsole [last unloaded: netdevsim]
| [   22.708407][  T189] Tainted: [W]=WARN
[   22.708545][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.708731][  T189] RIP: 0010:nsim_destroy (drivers/net/netdevsim/netdev.c:1234 (discriminator 2)) netdevsim
[   22.708935][  T189] 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 dc 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 db
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 dc       	call   0xffffffffdcac17a2
  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 db       	call   0xffffffffdbf02322

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 db       	call   0xffffffffdbf022f8
[   22.709466][  T189] RSP: 0018:ffa00000008679b8 EFLAGS: 00010293
[   22.709655][  T189] RAX: 0000000000000000 RBX: ff11000005b9ad00 RCX: ff11000005b9b448
[   22.709884][  T189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
[   22.710124][  T189] RBP: ff11000005b9b448 R08: ff11000005b9b448 R09: 0000000000000000
[   22.710348][  T189] R10: 1fe2200000b73689 R11: 0000000000000001 R12: ff1100000bd2d498
[   22.710575][  T189] R13: dffffc0000000000 R14: ff1100000bd2d000 R15: ffffffffc02f1380
[   22.710869][  T189] FS:  00007f28e99eabc0(0000) GS:ff11000095c05000(0000) knlGS:0000000000000000
[   22.711140][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.711328][  T189] CR2: 000056472254c2ac CR3: 000000000bafc001 CR4: 0000000000771ef0
[   22.711557][  T189] PKRU: 55555554
[   22.711671][  T189] Call Trace:
[   22.711784][  T189]  <TASK>
[   22.711860][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[   22.712031][  T189] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:444 drivers/net/netdevsim/dev.c:1529) netdevsim
[   22.712220][  T189]  ? devl_lock_is_held (net/devlink/core.c:285 (discriminator 1))
[   22.712373][  T189] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1538 (discriminator 4) drivers/net/netdevsim/dev.c:1764 (discriminator 4)) netdevsim
[   22.712567][  T189] nsim_drv_remove (drivers/net/netdevsim/dev.c:1781) netdevsim
[   22.712717][  T189]  device_release_driver_internal (drivers/base/dd.c:1286 drivers/base/dd.c:1307)
[   22.712910][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[   22.713065][  T189]  bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:623)
[   22.713215][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[   22.713362][  T189]  device_del (drivers/base/core.c:3879)
[   22.713485][  T189]  ? __device_link_del (drivers/base/core.c:3833)
[   22.713638][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[   22.713786][  T189]  device_unregister (drivers/base/core.c:3796 drivers/base/core.c:3920)
[   22.713942][  T189] del_device_store (drivers/net/netdevsim/bus.c:248) netdevsim
[   22.714146][  T189]  ? 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))
[   22.714295][  T189]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:215) netdevsim
[   22.714488][  T189]  ? sysfs_file_kobj (fs/sysfs/file.c:26)
[   22.714638][  T189]  ? sysfs_kf_write (fs/sysfs/file.c:139)
[   22.714786][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:88 fs/kernfs/file.c:356)
[   22.714940][  T189]  ? kernfs_ops (fs/kernfs/file.c:312)
[   22.715059][  T189]  new_sync_write (fs/read_write.c:596 (discriminator 1))
[   22.715210][  T189]  ? new_sync_read (fs/read_write.c:586)
[   22.715359][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[   22.715514][  T189]  ? ksys_write (fs/read_write.c:741)
[   22.715666][  T189]  vfs_write (fs/read_write.c:688)
[   22.715780][  T189]  ksys_write (fs/read_write.c:741)
[   22.715893][  T189]  ? __ia32_sys_read (fs/read_write.c:730)
[   22.716053][  T189]  ? 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)
[   22.716201][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[   22.716350][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[   22.716504][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.716654][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   22.716839][  T189] RIP: 0033:0x7f28e9a5ac5e
[   22.717005][  T189] 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
[   22.717538][  T189] RSP: 002b:00007ffcb8b9a2c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.717765][  T189] RAX: ffffffffffffffda RBX: 00007f28e9bd65c0 RCX: 00007f28e9a5ac5e
[   22.717999][  T189] RDX: 0000000000000004 RSI: 000056472259d980 RDI: 0000000000000001
[   22.718221][  T189] RBP: 00007ffcb8b9a2d0 R08: 0000000000000000 R09: 0000000000000000
[   22.718445][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.718670][  T189] R13: 0000000000000004 R14: 000056472259d980 R15: 00005647225a0790
| [   26.229555][  T189] ------------[ cut here ]------------
| [   26.229780][  T189] WARNING: drivers/net/netdevsim/netdev.c:1234 at nsim_destroy+0x128/0x7b0 [netdevsim], CPU#1: bash/189
| [   26.230099][  T189] Modules linked in: netdevsim netconsole [last unloaded: netdevsim]
| [   26.230669][  T189] Tainted: [W]=WARN
[   26.230781][  T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.230981][  T189] RIP: 0010:nsim_destroy (drivers/net/netdevsim/netdev.c:1234 (discriminator 2)) netdevsim
[   26.231233][  T189] 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 dc 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 db
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 dc       	call   0xffffffffdcac17a2
  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 db       	call   0xffffffffdbf02322

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 db       	call   0xffffffffdbf022f8
[   26.231764][  T189] RSP: 0018:ffa00000008679b8 EFLAGS: 00010293
[   26.231958][  T189] RAX: 0000000000000000 RBX: ff11000011482d00 RCX: ff11000011483448
[   26.232183][  T189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
[   26.232404][  T189] RBP: ff11000011483448 R08: ff11000011483448 R09: 0000000000000000
[   26.232630][  T189] R10: 1fe2200002290689 R11: 0000000000000001 R12: ff1100000b89bc98
[   26.232852][  T189] R13: dffffc0000000000 R14: ff1100000b89b800 R15: ffffffffc02f1380
[   26.233087][  T189] FS:  00007f28e99eabc0(0000) GS:ff11000095b05000(0000) knlGS:0000000000000000
[   26.233348][  T189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.233544][  T189] CR2: 000056472254c2ac CR3: 000000000bafc004 CR4: 0000000000771ef0
[   26.233767][  T189] PKRU: 55555554
[   26.233882][  T189] Call Trace:
[   26.234004][  T189]  <TASK>
[   26.234080][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[   26.234237][  T189] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:444 drivers/net/netdevsim/dev.c:1529) netdevsim
[   26.234424][  T189]  ? devl_lock_is_held (net/devlink/core.c:285 (discriminator 1))
[   26.234579][  T189] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1538 (discriminator 4) drivers/net/netdevsim/dev.c:1764 (discriminator 4)) netdevsim
[   26.234765][  T189] nsim_drv_remove (drivers/net/netdevsim/dev.c:1781) netdevsim
[   26.234919][  T189]  device_release_driver_internal (drivers/base/dd.c:1286 drivers/base/dd.c:1307)
[   26.235110][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[   26.235260][  T189]  bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:623)
[   26.235411][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[   26.235563][  T189]  device_del (drivers/base/core.c:3879)
[   26.235677][  T189]  ? __device_link_del (drivers/base/core.c:3833)
[   26.235827][  T189]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[   26.235980][  T189]  device_unregister (drivers/base/core.c:3796 drivers/base/core.c:3920)
[   26.236133][  T189] del_device_store (drivers/net/netdevsim/bus.c:248) netdevsim
[   26.236322][  T189]  ? 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))
[   26.236470][  T189]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:215) netdevsim
[   26.236667][  T189]  ? sysfs_file_kobj (fs/sysfs/file.c:26)
[   26.236814][  T189]  ? sysfs_kf_write (fs/sysfs/file.c:139)
[   26.236972][  T189]  kernfs_fop_write_iter (fs/kernfs/file.c:88 fs/kernfs/file.c:356)
[   26.237126][  T189]  ? kernfs_ops (fs/kernfs/file.c:312)
[   26.237238][  T189]  new_sync_write (fs/read_write.c:596 (discriminator 1))
[   26.237390][  T189]  ? new_sync_read (fs/read_write.c:586)
[   26.237543][  T189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[   26.237692][  T189]  ? ksys_write (fs/read_write.c:741)
[   26.237848][  T189]  vfs_write (fs/read_write.c:688)
[   26.237969][  T189]  ksys_write (fs/read_write.c:741)
[   26.238084][  T189]  ? __ia32_sys_read (fs/read_write.c:730)
[   26.238232][  T189]  ? 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)
[   26.238379][  T189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[   26.238531][  T189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[   26.238682][  T189]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.238829][  T189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   26.239024][  T189] RIP: 0033:0x7f28e9a5ac5e
[   26.239179][  T189] 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
[   26.239710][  T189] RSP: 002b:00007ffcb8b9a2c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   26.239999][  T189] RAX: ffffffffffffffda RBX: 00007f28e9bd65c0 RCX: 00007f28e9a5ac5e
[   26.240222][  T189] RDX: 0000000000000004 RSI: 000056472259d980 RDI: 0000000000000001
[   26.240448][  T189] RBP: 00007ffcb8b9a2d0 R08: 0000000000000000 R09: 0000000000000000
[   26.240671][  T189] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004


Finger prints:
nsim_destroy:__nsim_dev_port_del:nsim_dev_reload_destroy:nsim_drv_remove:device_release_driver_internal