[ 2.189484] netdevsim netdevsim21590 eni21590np1: renamed from eth0 [ 2.245059] netdevsim netdevsim18896 eni18896np1: renamed from eth0 [ 8.644346] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 8.644453] #PF: supervisor write access in kernel mode [ 8.644496] #PF: error_code(0x0002) - not-present page [ 8.644533] PGD 0 P4D 0 [ 8.644568] Oops: Oops: 0002 [#1] SMP [ 8.644614] CPU: 3 UID: 0 PID: 235 Comm: python3 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 8.644686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.644760] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.644813] 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 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 8.645005] RSP: 0018:ffffb2b98056fae8 EFLAGS: 00010046 [ 8.645063] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000000393c3 [ 8.645123] RDX: ffffb2b98056fb20 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.645206] RBP: ffffb2b98056fb20 R08: ffff9e42814f78f8 R09: 0000000000000001 [ 8.645262] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000 [ 8.645316] R13: ffffb2b98056fc18 R14: 0000000000000020 R15: 0000000000000000 [ 8.645385] FS: 00007ff02c0c3740(0000) GS:ffff9e4333156000(0000) knlGS:0000000000000000 [ 8.645453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.645506] CR2: 0000000000000000 CR3: 00000000040e5001 CR4: 0000000000772ef0 [ 8.645568] PKRU: 55555554 [ 8.645590] Call Trace: [ 8.645611] [ 8.645639] __cancel_work+0x29/0xe0 [ 8.645683] __cancel_work_sync+0x16/0x80 [ 8.645723] __dev_close_many+0x113/0x2b0 [ 8.645762] netif_close_many+0x98/0x160 [ 8.645795] unregister_netdevice_many_notify+0x10c/0xaa0 [ 8.645836] unregister_netdevice_queue+0xa0/0xe0 [ 8.645879] nsim_destroy+0x86/0x180 [netdevsim] [ 8.645942] __nsim_dev_port_del+0x47/0x70 [netdevsim] [ 8.645990] nsim_dev_reload_destroy+0x5b/0x110 [netdevsim] [ 8.646030] nsim_drv_remove+0x2f/0xb0 [netdevsim] [ 8.646078] device_release_driver_internal+0x193/0x200 [ 8.646132] bus_remove_device+0xc1/0x100 [ 8.646162] device_del+0x15f/0x480 [ 8.646194] device_unregister+0x12/0x30 [ 8.646228] del_device_store+0x117/0x1a0 [netdevsim] [ 8.646277] kernfs_fop_write_iter+0x12b/0x1c0 [ 8.646340] vfs_write+0x33a/0x470 [ 8.646379] ksys_write+0x65/0xe0 [ 8.646418] do_syscall_64+0xa4/0xfd0 [ 8.646460] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.646504] RIP: 0033:0x7ff02c2a2257 [ 8.646543] 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 [ 8.646676] RSP: 002b:00007ffebcc9c788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 8.646741] RAX: ffffffffffffffda RBX: 00007ff02c0c36e0 RCX: 00007ff02c2a2257 [ 8.646804] RDX: 0000000000000005 RSI: 000055b2b83100f0 RDI: 0000000000000006 [ 8.646864] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000002 [ 8.646942] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ff01e001d00 [ 8.647009] R13: 000055b2b83100f0 R14: 0000000000000006 R15: 000055b2b7fbefd0 [ 8.647068] [ 8.647092] Modules linked in: netdevsim [ 8.647128] CR2: 0000000000000000 [ 8.647160] ---[ end trace 0000000000000000 ]--- [ 8.647203] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.647241] 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 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 8.647372] RSP: 0018:ffffb2b98056fae8 EFLAGS: 00010046 [ 8.647419] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000000393c3 [ 8.647494] RDX: ffffb2b98056fb20 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.647553] RBP: ffffb2b98056fb20 R08: ffff9e42814f78f8 R09: 0000000000000001 [ 8.647615] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000 [ 8.647676] R13: ffffb2b98056fc18 R14: 0000000000000020 R15: 0000000000000000 [ 8.647742] FS: 00007ff02c0c3740(0000) GS:ffff9e4333156000(0000) knlGS:0000000000000000 [ 8.647800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.647857] CR2: 0000000000000000 CR3: 00000000040e5001 CR4: 0000000000772ef0 [ 8.647943] PKRU: 55555554 [ 8.647965] note: python3[235] exited with irqs disabled