Warning: Permanently added '10.128.0.99' (ED25519) to the list of known hosts.
executing program
[ 50.511494][ T3498] ------------[ cut here ]------------
[ 50.519460][ T3498] WARNING: CPU: 0 PID: 3498 at block/genhd.c:589 del_gendisk+0x703/0x780
[ 50.532014][ T3498] Modules linked in:
[ 50.540111][ T3498] CPU: 0 PID: 3498 Comm: syz-executor422 Not tainted 5.15.143-syzkaller #0
[ 50.552183][ T3498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 50.566314][ T3498] RIP: 0010:del_gendisk+0x703/0x780
[ 50.577073][ T3498] Code: 00 00 4c 89 f6 e8 4d 88 fa ff 4c 89 f7 be 01 00 00 00 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b2 15 fd ff e8 0d c8 8f fd <0f> 0b 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 e9 80 e1 07
[ 50.605746][ T3498] RSP: 0018:ffffc90002db7df0 EFLAGS: 00010293
[ 50.614271][ T3498] RAX: ffffffff83f06033 RBX: 0000000000000240 RCX: ffff888079f99dc0
[ 50.625335][ T3498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 50.634507][ T3498] RBP: 0000000000000000 R08: ffffffff83f05a48 R09: fffff520005b6fb9
[ 50.643786][ T3498] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100eb1c710
[ 50.652944][ T3498] R13: ffff8880758e3800 R14: ffff88801d9be3c0 R15: ffff8880758e3880
[ 50.661525][ T3498] FS: 0000555555803380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 50.674042][ T3498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.682452][ T3498] CR2: 000055f583819000 CR3: 0000000022515000 CR4: 00000000003506e0
[ 50.691896][ T3498] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 50.700833][ T3498] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 50.710289][ T3498] Call Trace:
[ 50.714303][ T3498]
[ 50.718293][ T3498] ? __warn+0x15b/0x300
[ 50.724656][ T3498] ? del_gendisk+0x703/0x780
[ 50.730664][ T3498] ? report_bug+0x1b7/0x2e0
[ 50.735531][ T3498] ? handle_bug+0x3d/0x70
[ 50.740817][ T3498] ? exc_invalid_op+0x16/0x40
[ 50.746093][ T3498] ? asm_exc_invalid_op+0x16/0x20
[ 50.751912][ T3498] ? del_gendisk+0x118/0x780
[ 50.756704][ T3498] ? del_gendisk+0x703/0x780
[ 50.761947][ T3498] ? del_gendisk+0x703/0x780
[ 50.766872][ T3498] loop_control_ioctl+0x552/0x700
[ 50.772579][ T3498] ? xor_init+0x60/0x60
[ 50.777664][ T3498] ? bpf_lsm_file_ioctl+0x5/0x10
[ 50.783105][ T3498] ? security_file_ioctl+0x7d/0xa0
[ 50.788823][ T3498] ? xor_init+0x60/0x60
[ 50.794073][ T3498] __se_sys_ioctl+0xf1/0x160
[ 50.799209][ T3498] do_syscall_64+0x3d/0xb0
[ 50.804044][ T3498] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 50.810089][ T3498] RIP: 0033:0x7fa39e3a93e9
[ 50.814789][ T3498] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 50.836272][ T3498] RSP: 002b:00007ffef7f2c788 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 50.845192][ T3498] RAX: ffffffffffffffda RBX: 00007ffef7f2c958 RCX: 00007fa39e3a93e9
[ 50.854150][ T3498] RDX: 0000000020000280 RSI: 0000000000004c81 RDI: 0000000000000004
[ 50.862959][ T3498] RBP: 00007fa39e41c610 R08: 00007ffef7f2c958 R09: 00007ffef7f2c958
[ 50.871766][ T3498] R10: 00007ffef7f2c958 R11: 0000000000000246 R12: 0000000000000001
[ 50.880873][ T3498] R13: 00007ffef7f2c948 R14: 0000000000000001 R15: 0000000000000001
[ 50.889614][ T3498]
[ 50.893259][ T3498] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 50.900826][ T3498] CPU: 1 PID: 3498 Comm: syz-executor422 Not tainted 5.15.143-syzkaller #0
[ 50.910340][ T3498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 50.922637][ T3498] Call Trace:
[ 50.926114][ T3498]
[ 50.929044][ T3498] dump_stack_lvl+0x1e3/0x2cb
[ 50.933980][ T3498] ? io_uring_drop_tctx_refs+0x19d/0x19d
[ 50.939712][ T3498] ? panic+0x84d/0x84d
[ 50.944278][ T3498] ? del_gendisk+0x6d0/0x780
[ 50.949720][ T3498] ? del_gendisk+0x6d0/0x780
[ 50.955682][ T3498] panic+0x318/0x84d
[ 50.959967][ T3498] ? __warn+0x16a/0x300
[ 50.965182][ T3498] ? fb_is_primary_device+0xcc/0xcc
[ 50.972962][ T3498] ? del_gendisk+0x703/0x780
[ 50.980510][ T3498] __warn+0x2b2/0x300
[ 50.985122][ T3498] ? del_gendisk+0x703/0x780
[ 50.990389][ T3498] report_bug+0x1b7/0x2e0
[ 50.995000][ T3498] handle_bug+0x3d/0x70
[ 50.999536][ T3498] exc_invalid_op+0x16/0x40
[ 51.004195][ T3498] asm_exc_invalid_op+0x16/0x20
[ 51.009715][ T3498] RIP: 0010:del_gendisk+0x703/0x780
[ 51.017677][ T3498] Code: 00 00 4c 89 f6 e8 4d 88 fa ff 4c 89 f7 be 01 00 00 00 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b2 15 fd ff e8 0d c8 8f fd <0f> 0b 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 e9 80 e1 07
[ 51.042546][ T3498] RSP: 0018:ffffc90002db7df0 EFLAGS: 00010293
[ 51.048876][ T3498] RAX: ffffffff83f06033 RBX: 0000000000000240 RCX: ffff888079f99dc0
[ 51.062012][ T3498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 51.074031][ T3498] RBP: 0000000000000000 R08: ffffffff83f05a48 R09: fffff520005b6fb9
[ 51.082517][ T3498] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100eb1c710
[ 51.111369][ T3498] R13: ffff8880758e3800 R14: ffff88801d9be3c0 R15: ffff8880758e3880
[ 51.119379][ T3498] ? del_gendisk+0x118/0x780
[ 51.124283][ T3498] ? del_gendisk+0x703/0x780
[ 51.129153][ T3498] loop_control_ioctl+0x552/0x700
[ 51.136335][ T3498] ? xor_init+0x60/0x60
[ 51.141059][ T3498] ? bpf_lsm_file_ioctl+0x5/0x10
[ 51.145996][ T3498] ? security_file_ioctl+0x7d/0xa0
[ 51.152087][ T3498] ? xor_init+0x60/0x60
[ 51.156882][ T3498] __se_sys_ioctl+0xf1/0x160
[ 51.161594][ T3498] do_syscall_64+0x3d/0xb0
[ 51.166421][ T3498] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 51.175274][ T3498] RIP: 0033:0x7fa39e3a93e9
[ 51.180057][ T3498] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 51.203602][ T3498] RSP: 002b:00007ffef7f2c788 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 51.215178][ T3498] RAX: ffffffffffffffda RBX: 00007ffef7f2c958 RCX: 00007fa39e3a93e9
[ 51.224284][ T3498] RDX: 0000000020000280 RSI: 0000000000004c81 RDI: 0000000000000004
[ 51.237129][ T3498] RBP: 00007fa39e41c610 R08: 00007ffef7f2c958 R09: 00007ffef7f2c958
[ 51.245887][ T3498] R10: 00007ffef7f2c958 R11: 0000000000000246 R12: 0000000000000001
[ 51.257528][ T3498] R13: 00007ffef7f2c948 R14: 0000000000000001 R15: 0000000000000001
[ 51.267178][ T3498]
[ 51.271452][ T3498] Kernel Offset: disabled
[ 51.276195][ T3498] Rebooting in 86400 seconds..