[  OK  ] Started Getty on tty2.
[  OK  ] Started Serial Getty on ttyS0.
[  OK  ] Started Getty on tty1.
[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.145' (ECDSA) to the list of known hosts.
syzkaller login: [   27.375708] IPVS: ftp: loaded support on port[0] = 21
executing program
[   27.497546] ERROR: (device loop0): txAbort: 
[   27.497546] 
[   27.525291] BUG at fs/jfs/jfs_txnmgr.c:939 assert(mp->nohomeok > 0)
[   27.531761] ------------[ cut here ]------------
[   27.536492] kernel BUG at fs/jfs/jfs_txnmgr.c:939!
[   27.542413] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   27.547768] Modules linked in:
[   27.550942] CPU: 0 PID: 1962 Comm: jfsCommit Not tainted 4.14.302-syzkaller #0
[   27.558284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   27.568229] task: ffff8880b0fbe0c0 task.stack: ffff8880b0fc8000
[   27.574268] RIP: 0010:txUnlock.cold+0x24/0x72
[   27.578733] RSP: 0018:ffff8880b0fcfd80 EFLAGS: 00010286
[   27.584069] RAX: 0000000000000037 RBX: ffffc900015b9090 RCX: 0000000000000000
[   27.591315] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10161f9fa6
[   27.598557] RBP: ffff8880ab1dc2d0 R08: 0000000000000037 R09: 0000000000000000
[   27.605799] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002
[   27.613049] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.620317] FS:  0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[   27.628536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.634414] CR2: 000056157b3e98a0 CR3: 00000000a21a5000 CR4: 00000000003406f0
[   27.641664] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.648910] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.656154] Call Trace:
[   27.658726]  jfs_lazycommit+0x5a6/0x8c0
[   27.662681]  ? __schedule+0x1450/0x1de0
[   27.666635]  ? txCommit+0x3580/0x3580
[   27.670412]  ? wake_up_q+0xd0/0xd0
[   27.673929]  ? txCommit+0x3580/0x3580
[   27.677708]  kthread+0x30d/0x420
[   27.681047]  ? kthread_create_on_node+0xd0/0xd0
[   27.685690]  ret_from_fork+0x24/0x30
[   27.689379] Code: 76 fa e8 3b ff ff ff e8 c3 da 4c fa 48 c7 c1 c0 c6 b6 87 ba ab 03 00 00 48 c7 c6 40 c6 b6 87 48 c7 c7 80 c6 b6 87 e8 2e b9 fa ff <0f> 0b e8 9d da 4c fa 48 c7 c1 00 c6 b6 87 ba a5 03 00 00 48 c7 
[   27.708554] RIP: txUnlock.cold+0x24/0x72 RSP: ffff8880b0fcfd80
[   27.715400] ---[ end trace d9cb650513b9b96c ]---
[   27.720152] Kernel panic - not syncing: Fatal exception
[   27.725673] Kernel Offset: disabled
[   27.729282] Rebooting in 86400 seconds..