Re: [syzbot] [jfs?] divide error in dbAllocAG

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+7c808908291a569281a9@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+7c808908291a569281a9@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         a4326560 jfs: check agwidth and agheight when dbmount
git tree:       https://github.com/ea1davis/linux jfs/syzv2
console output: https://syzkaller.appspot.com/x/log.txt?x=113740f8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=18d90fa8ec96d8b0
dashboard link: https://syzkaller.appspot.com/bug?extid=7c808908291a569281a9
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.