linux-kernel - Re: [syzbot] KASAN: slab-out-of-bounds Read in hfs_cat

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Date:   Mon, 30 Jan 2023 13:20:16 -0800
From:   syzbot <syzbot+883fa6a25abf9dd035ef@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, slava@...eyko.com,
        syzkaller-bugs@...glegroups.com, zhangpeng362@...wei.com
Subject: Re: [syzbot] KASAN: slab-out-of-bounds Read in hfs_cat_keycmp

syzbot suspects this issue was fixed by commit:

commit c53ed55cb275344086e32a7080a6b19cb183650b
Author: ZhangPeng <zhangpeng362@...wei.com>
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