Re: [syzbot] KASAN: slab-out-of-bounds Read in hfs_cat_keycmp

From: syzbot
Date: Mon Jan 30 2023 - 16:20:21 EST


syzbot suspects this issue was fixed by commit:

commit c53ed55cb275344086e32a7080a6b19cb183650b
Author: ZhangPeng <zhangpeng362@xxxxxxxxxx>
Date: Fri Dec 2 03:00:38 2022 +0000

hfs: Fix OOB Write in hfs_asc2mac

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13294485480000
start commit: 3a28c2c89f4b Merge tag 'unsigned-char-6.2-for-linus' of gi..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=f3de84cba2ef4a23
dashboard link: https://syzkaller.appspot.com/bug?extid=883fa6a25abf9dd035ef
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1261813b880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=114306af880000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: hfs: Fix OOB Write in hfs_asc2mac

For information about bisection process see: https://goo.gl/tpsmEJ#bisection