Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.132' (ECDSA) to the list of known hosts.
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syzkaller login: [   32.720319] kasan: CONFIG_KASAN_INLINE enabled
[   32.725049] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   32.740649] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   32.746894] Modules linked in:
[   32.750083] CPU: 0 PID: 7965 Comm: syz-executor184 Not tainted 4.14.304-syzkaller #0
[   32.757952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[   32.767300] task: ffff8880b0492100 task.stack: ffff888092340000
[   32.773339] RIP: 0010:lbmStartIO+0x14a/0x490
[   32.777733] RSP: 0018:ffff888092347af8 EFLAGS: 00010202
[   32.783067] RAX: dffffc0000000000 RBX: ffff88809af5e500 RCX: 0000000000000003
[   32.790306] RDX: 000000000000001c RSI: 0000000000000000 RDI: 00000000000000e0
[   32.797546] RBP: ffff88809f37bb80 R08: 0000000000000001 R09: ffff88809f37bb80
[   32.804787] R10: ffff88809f37bc07 R11: 0000000000000000 R12: ffff8880b3a84900
[   32.812026] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   32.819267] FS:  00005555571f7300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[   32.827464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.833315] CR2: 00007fffba849c68 CR3: 000000009cc16000 CR4: 00000000003406f0
[   32.840573] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   32.847813] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   32.855054] Call Trace:
[   32.857619]  lbmWrite+0x254/0x380
[   32.861049]  lmNextPage.isra.0+0x263/0x700
[   32.865258]  lmWriteRecord+0x8b2/0xe30
[   32.869119]  ? mark_held_locks+0xa6/0xf0
[   32.873153]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[   32.878229]  lmLogSync+0x126/0x660
[   32.881742]  ? lmWriteRecord+0xe30/0xe30
[   32.885777]  ? dqput+0x30/0x30
[   32.888960]  jfs_syncpt+0x66/0x70
[   32.892390]  jfs_sync_fs+0x80/0xa0
[   32.895904]  ? jfs_statfs+0x510/0x510
[   32.899679]  sync_filesystem+0xe2/0x230
[   32.903644]  generic_shutdown_super+0x70/0x370
[   32.908200]  kill_block_super+0x95/0xe0
[   32.912145]  deactivate_locked_super+0x6c/0xd0
[   32.916701]  deactivate_super+0x7f/0xa0
[   32.920648]  cleanup_mnt+0x186/0x2c0
[   32.924337]  task_work_run+0x11f/0x190
[   32.928198]  exit_to_usermode_loop+0x1ad/0x200
[   32.932752]  do_syscall_64+0x4a3/0x640
[   32.936614]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   32.941796] RIP: 0033:0x7fa8f41a6d27
[   32.945478] RSP: 002b:00007fffba84a3a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   32.953185] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa8f41a6d27
[   32.960427] RDX: 00007fffba84a46a RSI: 000000000000000a RDI: 00007fffba84a460
[   32.967670] RBP: 00007fffba84a460 R08: 00000000ffffffff R09: 00007fffba84a240
[   32.974913] R10: 00005555571f8683 R11: 0000000000000202 R12: 00007fffba84b4d0
[   32.982155] R13: 00005555571f85f0 R14: 00007fffba84a3d0 R15: 0000000000000039
[   32.989401] 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 
[   33.008465] RIP: lbmStartIO+0x14a/0x490 RSP: ffff888092347af8
[   33.018116] ---[ end trace 68ecb680d612b4e9 ]---
[   33.022868] Kernel panic - not syncing: Fatal exception
[   33.028367] Kernel Offset: disabled
[   33.031977] Rebooting in 86400 seconds..