======================================
| [    1.967179] #PF: supervisor read access in kernel mode
| [    1.967237] #PF: error_code(0x0000) - not-present page
| [    1.967296] PGD 0 P4D 0
| [    1.967327] Oops: Oops: 0000 [#1] SMP
[    1.967500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.967576] RIP: 0010:__flush_work (kernel/workqueue.c:4234)
[    1.967651] Code: 41 55 41 54 55 53 48 83 ec 60 44 0f b6 25 0d ab 91 01 65 48 8b 05 2d ff 8d 01 48 89 44 24 58 31 c0 45 84 e4 0f 84 35 03 00 00 <48> 83 7f 18 00 48 89 fd 0f 84 30 03 00 00 41 89 f5 e8 07 24 07 00
All code
========
   0:	41 55                	push   %r13
   2:	41 54                	push   %r12
   4:	55                   	push   %rbp
   5:	53                   	push   %rbx
   6:	48 83 ec 60          	sub    $0x60,%rsp
   a:	44 0f b6 25 0d ab 91 	movzbl 0x191ab0d(%rip),%r12d        # 0x191ab1f
  11:	01 
  12:	65 48 8b 05 2d ff 8d 	mov    %gs:0x18dff2d(%rip),%rax        # 0x18dff47
  19:	01 
  1a:	48 89 44 24 58       	mov    %rax,0x58(%rsp)
  1f:	31 c0                	xor    %eax,%eax
  21:	45 84 e4             	test   %r12b,%r12b
  24:	0f 84 35 03 00 00    	je     0x35f
  2a:*	48 83 7f 18 00       	cmpq   $0x0,0x18(%rdi)		<-- trapping instruction
  2f:	48 89 fd             	mov    %rdi,%rbp
  32:	0f 84 30 03 00 00    	je     0x368
  38:	41 89 f5             	mov    %esi,%r13d
  3b:	e8 07 24 07 00       	call   0x72447

Code starting with the faulting instruction
===========================================
   0:	48 83 7f 18 00       	cmpq   $0x0,0x18(%rdi)
   5:	48 89 fd             	mov    %rdi,%rbp
   8:	0f 84 30 03 00 00    	je     0x33e
   e:	41 89 f5             	mov    %esi,%r13d
  11:	e8 07 24 07 00       	call   0x7241d
[    1.967861] RSP: 0018:ffffab9bc0597cf0 EFLAGS: 00010202
[    1.967920] RAX: 0000000000000000 RBX: ffff9d08c2c549c0 RCX: ffffab9bc0597d28
[    1.968010] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[    1.968100] RBP: ffff9d08c1cd5000 R08: ffff9d08c1db7b70 R09: 0000000000000000
[    1.968189] R10: ffff9d08c1db7f80 R11: ffff9d08c152e480 R12: 0000000000000001
[    1.968281] R13: ffffffffbd9ffe00 R14: ffff9d08c193e140 R15: 0000000000000008
[    1.968371] FS:  00007fb66173b000(0000) GS:ffff9d0940ce9000(0000) knlGS:0000000000000000
[    1.968472] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.968546] CR2: 0000000000000018 CR3: 00000000045e5006 CR4: 0000000000772ef0
[    1.968640] PKRU: 55555554
[    1.968669] Call Trace:
[    1.968700]  <TASK>
[    1.968729]  ? kernfs_should_drain_open_files (fs/kernfs/file.c:809 (discriminator 6))
[    1.968796]  ? __rtnl_unlock (net/core/rtnetlink.c:145 (discriminator 3))
[    1.968849]  ? netdev_run_todo (./include/linux/list.h:381 net/core/dev.c:11853)
[    1.968894]  ? kernfs_name_hash (fs/kernfs/dir.c:320)
[    1.968938]  virtnet_remove (./include/linux/virtio_features.h:37 ./include/linux/virtio_config.h:228 ./include/linux/virtio_config.h:264 drivers/net/virtio_net.c:6258 drivers/net/virtio_net.c:7201)
[    1.968984]  virtio_dev_remove (drivers/virtio/virtio.c:378)
[    1.969029]  device_release_driver_internal (drivers/base/dd.c:1276 drivers/base/dd.c:1297)
[    1.969090]  unbind_store (drivers/base/bus.c:249)
[    1.969136]  kernfs_fop_write_iter (fs/kernfs/file.c:88 fs/kernfs/file.c:356)
[    1.969197]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
[    1.969242]  ksys_write (fs/read_write.c:738)
[    1.969287]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    1.969333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[    1.969393] RIP: 0033:0x7fb66183b257
[    1.969434] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0f 00                	(bad)
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[    1.969640] RSP: 002b:00007fffca552fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    1.969729] RAX: ffffffffffffffda RBX: 00007fb661937780 RCX: 00007fb66183b257
[    1.969820] RDX: 0000000000000008 RSI: 0000558903e5a280 RDI: 0000000000000001
[    1.969911] RBP: 0000000000000008 R08: 0000000000000003 R09: 0000000000000077
[    1.970004] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000008


Finger prints:
__flush_work:virtnet_remove:virtio_dev_remove:device_release_driver_internal:unbind_store