[    2.515529] netconsole selftest: netcons_n0uQM
[    2.695717] netconsole selftest: netcons_n0uQM
[    2.766711] BUG: kernel NULL pointer dereference, address: 0000000000000000
[    2.766807] #PF: supervisor write access in kernel mode
[    2.766844] #PF: error_code(0x0002) - not-present page
[    2.766881] PGD 0 P4D 0 
[    2.766904] Oops: Oops: 0002 [#1] SMP
[    2.766934] CPU: 2 UID: 0 PID: 234 Comm: bash Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) 
[    2.766992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.767036] RIP: 0010:work_grab_pending+0x2f/0x1b0
[    2.767081] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 <f0> 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41
[    2.767188] RSP: 0018:ffffb419005a7ae8 EFLAGS: 00010046
[    2.767225] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 000000000010000c
[    2.767276] RDX: ffffb419005a7b20 RSI: 0000000000000000 RDI: 0000000000000000
[    2.767328] RBP: ffffb419005a7b20 R08: 0000000000000000 R09: ffffffffb873c800
[    2.767379] R10: ffff9eea433fe000 R11: 0000000000000001 R12: 0000000000000000
[    2.767430] R13: ffffb419005a7c18 R14: 0000000000000020 R15: 0000000000000000
[    2.767490] FS:  00007efdc709a000(0000) GS:ffff9eeac50d6000(0000) knlGS:0000000000000000
[    2.767540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.767591] CR2: 0000000000000000 CR3: 0000000003627005 CR4: 0000000000772ef0
[    2.767645] PKRU: 55555554
[    2.767664] Call Trace:
[    2.767681]  <TASK>
[    2.767704]  __cancel_work+0x29/0xe0
[    2.767737]  __cancel_work_sync+0x16/0x80
[    2.767768]  __dev_close_many+0x113/0x2b0
[    2.767801]  netif_close_many+0x98/0x160
[    2.767836]  unregister_netdevice_many_notify+0x10c/0xaa0
[    2.767875]  unregister_netdevice_queue+0xa0/0xe0
[    2.767911]  nsim_destroy+0x86/0x180 [netdevsim]
[    2.767953]  __nsim_dev_port_del+0x47/0x70 [netdevsim]
[    2.767988]  nsim_dev_reload_destroy+0x5b/0x110 [netdevsim]
[    2.768025]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.768062]  device_release_driver_internal+0x193/0x200
[    2.768103]  bus_remove_device+0xc1/0x100
[    2.768132]  device_del+0x15f/0x480
[    2.768161]  device_unregister+0x12/0x30
[    2.768189]  del_device_store+0x117/0x1a0 [netdevsim]
[    2.768226]  kernfs_fop_write_iter+0x12b/0x1c0
[    2.768268]  vfs_write+0x33a/0x470
[    2.768301]  ksys_write+0x65/0xe0
[    2.768329]  do_syscall_64+0xa4/0xfd0
[    2.768359]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.768398] RIP: 0033:0x7efdc719a257
[    2.768426] 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
[    2.768538] RSP: 002b:00007ffcb8574eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    2.768596] RAX: ffffffffffffffda RBX: 00007efdc7296780 RCX: 00007efdc719a257
[    2.768648] RDX: 0000000000000004 RSI: 0000556544ff6700 RDI: 0000000000000001
[    2.768699] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007efdc724cd20
[    2.768745] R10: 00007efdc724cc20 R11: 0000000000000246 R12: 0000000000000004
[    2.768796] R13: 0000556544ff6700 R14: 0000000000000004 R15: 00007efdc72919c0
[    2.768842]  </TASK>
[    2.768862] Modules linked in: netdevsim [last unloaded: netconsole]
[    2.768908] CR2: 0000000000000000
[    2.768935] ---[ end trace 0000000000000000 ]---
[    2.768971] RIP: 0010:work_grab_pending+0x2f/0x1b0
[    2.769007] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 <f0> 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41
[    2.769125] RSP: 0018:ffffb419005a7ae8 EFLAGS: 00010046
[    2.769161] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 000000000010000c
[    2.769207] RDX: ffffb419005a7b20 RSI: 0000000000000000 RDI: 0000000000000000
[    2.769257] RBP: ffffb419005a7b20 R08: 0000000000000000 R09: ffffffffb873c800
[    2.769309] R10: ffff9eea433fe000 R11: 0000000000000001 R12: 0000000000000000
[    2.769356] R13: ffffb419005a7c18 R14: 0000000000000020 R15: 0000000000000000
[    2.769410] FS:  00007efdc709a000(0000) GS:ffff9eeac50d6000(0000) knlGS:0000000000000000
[    2.769473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.769515] CR2: 0000000000000000 CR3: 0000000003627005 CR4: 0000000000772ef0
[    2.769561] PKRU: 55555554
[    2.769589] note: bash[234] exited with irqs disabled