[    2.318278] netdevsim netdevsim8109 eni8109np1: renamed from eth0
[    2.380234] netdevsim netdevsim19383 eni19383np1: renamed from eth0
[  124.591716] BUG: kernel NULL pointer dereference, address: 0000000000000000
[  124.591794] #PF: supervisor write access in kernel mode
[  124.591831] #PF: error_code(0x0002) - not-present page
[  124.591872] PGD 0 P4D 0 
[  124.591899] Oops: Oops: 0002 [#1] SMP
[  124.591932] CPU: 2 UID: 0 PID: 236 Comm: python3 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) 
[  124.591994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  124.592042] RIP: 0010:work_grab_pending+0x2f/0x1b0
[  124.592085] 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
[  124.592196] RSP: 0018:ffffb199405bfae8 EFLAGS: 00010046
[  124.592233] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000100000
[  124.592284] RDX: ffffb199405bfb20 RSI: 0000000000000000 RDI: 0000000000000000
[  124.592344] RBP: ffffb199405bfb20 R08: 0000000000000000 R09: 0000000000000000
[  124.592395] R10: ffff8ae9030a5800 R11: 0000000000000001 R12: 0000000000000000
[  124.592455] R13: ffffb199405bfc18 R14: 0000000000000020 R15: 0000000000000000
[  124.592512] FS:  00007f6f75ecb740(0000) GS:ffff8ae990cd6000(0000) knlGS:0000000000000000
[  124.592575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  124.592617] CR2: 0000000000000000 CR3: 0000000004adc006 CR4: 0000000000772ef0
[  124.592679] PKRU: 55555554
[  124.592698] Call Trace:
[  124.592721]  <TASK>
[  124.592744]  __cancel_work+0x29/0xe0
[  124.592776]  __cancel_work_sync+0x16/0x80
[  124.592805]  __dev_close_many+0x113/0x2b0
[  124.592839]  netif_close_many+0x98/0x160
[  124.592876]  unregister_netdevice_many_notify+0x10c/0xaa0
[  124.592918]  unregister_netdevice_queue+0xa0/0xe0
[  124.592958]  nsim_destroy+0x86/0x180 [netdevsim]
[  124.593003]  __nsim_dev_port_del+0x47/0x70 [netdevsim]
[  124.593042]  nsim_dev_reload_destroy+0x5b/0x110 [netdevsim]
[  124.593079]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[  124.593119]  device_release_driver_internal+0x193/0x200
[  124.593162]  bus_remove_device+0xc1/0x100
[  124.593193]  device_del+0x15f/0x480
[  124.593222]  device_unregister+0x12/0x30
[  124.593250]  del_device_store+0x117/0x1a0 [netdevsim]
[  124.593290]  kernfs_fop_write_iter+0x12b/0x1c0
[  124.593341]  vfs_write+0x33a/0x470
[  124.593375]  ksys_write+0x65/0xe0
[  124.593405]  do_syscall_64+0xa4/0xfd0
[  124.593443]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  124.593484] RIP: 0033:0x7f6f760aa257
[  124.593523] 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
[  124.593642] RSP: 002b:00007ffe843debe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  124.593701] RAX: ffffffffffffffda RBX: 00007f6f75ecb6e0 RCX: 00007f6f760aa257
[  124.593752] RDX: 0000000000000004 RSI: 000055d05f0840b0 RDI: 0000000000000007
[  124.593803] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000002
[  124.593854] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f6f67ce3700
[  124.593913] R13: 000055d05f0840b0 R14: 0000000000000007 R15: 000055d05ecc2fd0
[  124.593967]  </TASK>
[  124.593991] Modules linked in: netdevsim
[  124.594021] CR2: 0000000000000000
[  124.594049] ---[ end trace 0000000000000000 ]---
[  124.594085] RIP: 0010:work_grab_pending+0x2f/0x1b0
[  124.594121] 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
[  124.594233] RSP: 0018:ffffb199405bfae8 EFLAGS: 00010046
[  124.594270] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000100000
[  124.594331] RDX: ffffb199405bfb20 RSI: 0000000000000000 RDI: 0000000000000000
[  124.594383] RBP: ffffb199405bfb20 R08: 0000000000000000 R09: 0000000000000000
[  124.594438] R10: ffff8ae9030a5800 R11: 0000000000000001 R12: 0000000000000000
[  124.594488] R13: ffffb199405bfc18 R14: 0000000000000020 R15: 0000000000000000
[  124.594558] FS:  00007f6f75ecb740(0000) GS:ffff8ae990cd6000(0000) knlGS:0000000000000000
[  124.594611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  124.594664] CR2: 0000000000000000 CR3: 0000000004adc006 CR4: 0000000000772ef0
[  124.594718] PKRU: 55555554
[  124.594738] note: python3[236] exited with irqs disabled