[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Update UTMP about System Runlevel Changes.
[  OK  ] Started Load/Save RF Kill Switch Status.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.100' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
syzkaller login: [   45.417679] kasan: CONFIG_KASAN_INLINE enabled
[   45.422684] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   45.430071] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   45.436314] Modules linked in:
[   45.439505] CPU: 1 PID: 8001 Comm: syz-executor317 Not tainted 4.14.305-syzkaller #0
[   45.447375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
[   45.456720] task: ffff88809592c3c0 task.stack: ffff8880ab7e0000
[   45.463018] RIP: 0010:lbmStartIO+0x14a/0x490
[   45.467411] RSP: 0018:ffff8880ab7e7af8 EFLAGS: 00010202
[   45.472758] RAX: dffffc0000000000 RBX: ffff8880a04cb000 RCX: 0000000000000003
[   45.480007] RDX: 000000000000001c RSI: 0000000000000000 RDI: 00000000000000e0
[   45.487256] RBP: ffff88809cb5e140 R08: 0000000000000001 R09: ffff88809cb5e140
[   45.494512] R10: ffff88809cb5e1c7 R11: 0000000000000000 R12: ffff88809abe6900
[   45.501767] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   45.509021] FS:  0000555556ca1300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[   45.517229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.523094] CR2: 00005624876bc000 CR3: 00000000a9032000 CR4: 00000000003406e0
[   45.530350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   45.537603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   45.544853] Call Trace:
[   45.547435]  lbmWrite+0x254/0x380
[   45.550874]  lmNextPage.isra.0+0x263/0x700
[   45.555092]  lmWriteRecord+0x8b2/0xe30
[   45.558964]  ? mark_held_locks+0xa6/0xf0
[   45.563005]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[   45.568092]  lmLogSync+0x126/0x660
[   45.571613]  ? lmWriteRecord+0xe30/0xe30
[   45.575658]  ? dqput+0x30/0x30
[   45.578844]  jfs_syncpt+0x66/0x70
[   45.582282]  jfs_sync_fs+0x80/0xa0
[   45.585810]  ? jfs_statfs+0x510/0x510
[   45.589600]  sync_filesystem+0xe2/0x230
[   45.593555]  generic_shutdown_super+0x70/0x370
[   45.598117]  kill_block_super+0x95/0xe0
[   45.602075]  deactivate_locked_super+0x6c/0xd0
[   45.606652]  deactivate_super+0x7f/0xa0
[   45.610609]  cleanup_mnt+0x186/0x2c0
[   45.614305]  task_work_run+0x11f/0x190
[   45.618176]  exit_to_usermode_loop+0x1ad/0x200
[   45.622739]  do_syscall_64+0x4a3/0x640
[   45.626612]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   45.631795] RIP: 0033:0x7fd6576ade37
[   45.635485] RSP: 002b:00007ffc54bdc718 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   45.643172] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd6576ade37
[   45.650421] RDX: 00007ffc54bdc7da RSI: 000000000000000a RDI: 00007ffc54bdc7d0
[   45.657670] RBP: 00007ffc54bdc7d0 R08: 00000000ffffffff R09: 00007ffc54bdc5b0
[   45.664920] R10: 0000555556ca2683 R11: 0000000000000206 R12: 00007ffc54bdd840
[   45.672171] R13: 0000555556ca25f0 R14: 00007ffc54bdc740 R15: 0000000000000039
[   45.679423] Code: 48 c1 ea 03 80 3c 02 00 0f 85 06 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 20 49 8d bd e0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d5 02 00 00 4d 8b ad e0 00 00 00 4d 39 ee 74 
[   45.698556] RIP: lbmStartIO+0x14a/0x490 RSP: ffff8880ab7e7af8
[   45.707671] ---[ end trace 13d23dfb8cabf458 ]---
[   45.712586] Kernel panic - not syncing: Fatal exception
[   45.718104] Kernel Offset: disabled
[   45.721721] Rebooting in 86400 seconds..