[    1.933005] netconsole: network logging started
[    3.414871] Test #1 from CPU3: netcons_nVseB
[    3.529158] Test #2 from CPU1: netcons_nVseB
[    3.649049] Test #3 from CPU0: netcons_nVseB
[    3.714808] BUG: kernel NULL pointer dereference, address: 0000000000000000
[    3.714881] #PF: supervisor write access in kernel mode
[    3.714932] #PF: error_code(0x0002) - not-present page
[    3.714968] PGD 0 P4D 0 
[    3.714992] Oops: Oops: 0002 [#1] SMP
[    3.715026] CPU: 3 UID: 0 PID: 235 Comm: bash Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) 
[    3.715107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.715162] RIP: 0010:work_grab_pending+0x2f/0x1b0
[    3.715207] 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
[    3.715345] RSP: 0018:ffffb30440527ae8 EFLAGS: 00010046
[    3.715380] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 000000008010000c
[    3.715449] RDX: ffffb30440527b20 RSI: 0000000000000000 RDI: 0000000000000000
[    3.715509] RBP: ffffb30440527b20 R08: 0000000000000001 R09: ffffffffa453c800
[    3.715565] R10: ffff8cca85606000 R11: 0000000000000001 R12: 0000000000000000
[    3.715617] R13: ffffb30440527c18 R14: 0000000000000020 R15: 0000000000000000
[    3.715671] FS:  00007fbdd5f88000(0000) GS:ffff8ccb19356000(0000) knlGS:0000000000000000
[    3.715732] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.715791] CR2: 0000000000000000 CR3: 0000000001b46006 CR4: 0000000000772ef0
[    3.715845] PKRU: 55555554
[    3.715869] Call Trace:
[    3.715888]  <TASK>
[    3.715912]  __cancel_work+0x29/0xe0
[    3.715951]  __cancel_work_sync+0x16/0x80
[    3.715990]  __dev_close_many+0x113/0x2b0
[    3.716026]  netif_close_many+0x98/0x160
[    3.716051]  unregister_netdevice_many_notify+0x10c/0xaa0
[    3.716088]  unregister_netdevice_queue+0xa0/0xe0
[    3.716133]  nsim_destroy+0x86/0x180 [netdevsim]
[    3.716189]  __nsim_dev_port_del+0x47/0x70 [netdevsim]
[    3.716228]  nsim_dev_reload_destroy+0x5b/0x110 [netdevsim]
[    3.716274]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    3.716316]  device_release_driver_internal+0x193/0x200
[    3.716362]  bus_remove_device+0xc1/0x100
[    3.716395]  device_del+0x15f/0x480
[    3.716436]  device_unregister+0x12/0x30
[    3.716467]  del_device_store+0x117/0x1a0 [netdevsim]
[    3.716509]  kernfs_fop_write_iter+0x12b/0x1c0
[    3.716557]  vfs_write+0x33a/0x470
[    3.716592]  ksys_write+0x65/0xe0
[    3.716617]  do_syscall_64+0xa4/0xfd0
[    3.716645]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    3.716695] RIP: 0033:0x7fbdd6088257
[    3.716727] 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
[    3.716861] RSP: 002b:00007ffd6dfef8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[    3.716914] RAX: ffffffffffffffda RBX: 00007fbdd6184780 RCX: 00007fbdd6088257
[    3.716968] RDX: 0000000000000004 RSI: 000055ae1a241080 RDI: 0000000000000001
[    3.717021] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007fbdd613ad20
[    3.717074] R10: 00007fbdd613ac20 R11: 0000000000000246 R12: 0000000000000004
[    3.717138] R13: 000055ae1a241080 R14: 0000000000000004 R15: 00007fbdd617f9c0
[    3.717200]  </TASK>
[    3.717217] Modules linked in: netconsole netdevsim
[    3.717268] CR2: 0000000000000000
[    3.717294] ---[ end trace 0000000000000000 ]---
[    3.717329] RIP: 0010:work_grab_pending+0x2f/0x1b0
[    3.717363] 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
[    3.717496] RSP: 0018:ffffb30440527ae8 EFLAGS: 00010046
[    3.717537] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 000000008010000c
[    3.717603] RDX: ffffb30440527b20 RSI: 0000000000000000 RDI: 0000000000000000
[    3.717657] RBP: ffffb30440527b20 R08: 0000000000000001 R09: ffffffffa453c800
[    3.717714] R10: ffff8cca85606000 R11: 0000000000000001 R12: 0000000000000000
[    3.717768] R13: ffffb30440527c18 R14: 0000000000000020 R15: 0000000000000000
[    3.717832] FS:  00007fbdd5f88000(0000) GS:ffff8ccb19356000(0000) knlGS:0000000000000000
[    3.717893] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.717935] CR2: 0000000000000000 CR3: 0000000001b46006 CR4: 0000000000772ef0
[    3.718005] PKRU: 55555554
[    3.718032] note: bash[235] exited with irqs disabled