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

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Message-ID: <0000000000007aa8fc05f29aa6d7@google.com>
Date:   Thu, 19 Jan 2023 01:35:15 -0800
From:   syzbot <syzbot+8ebb469b64740648f1c3@...kaller.appspotmail.com>
To:     almaz.alexandrovich@...agon-software.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        ntfs3@...ts.linux.dev, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk
Subject: Re: [syzbot] KASAN: slab-out-of-bounds Read in mi_find_attr

syzbot has bisected this issue to:

commit 6e5be40d32fb1907285277c02e74493ed43d77fe
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Fri Aug 13 14:21:30 2021 +0000

    fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=111e2f0e480000
start commit:   e2ca6ba6ba01 Merge tag 'mm-stable-2022-12-13' of git://git..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=131e2f0e480000
console output: https://syzkaller.appspot.com/x/log.txt?x=151e2f0e480000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a6133b41a9a0f500
dashboard link: https://syzkaller.appspot.com/bug?extid=8ebb469b64740648f1c3
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16fb2ad0480000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=164513e0480000

Reported-by: syzbot+8ebb469b64740648f1c3@...kaller.appspotmail.com
Fixes: 6e5be40d32fb ("fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile")

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