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

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Message-ID: <0000000000007ae43605ea12bb12@google.com>
Date:   Sun, 02 Oct 2022 13:04:19 -0700
From:   syzbot <syzbot+b892240eac461e488d51@...kaller.appspotmail.com>
To:     abdun.nihaal@...il.com, almaz.alexandrovich@...agon-software.com,
        linux-fsdevel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org, ntfs3@...ts.linux.dev,
        skhan@...uxfoundation.org, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk
Subject: Re: [syzbot] KASAN: slab-out-of-bounds Read in ntfs_trim_fs

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=17b6daf4880000
start commit:   f76349cf4145 Linux 6.0-rc7
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1476daf4880000
console output: https://syzkaller.appspot.com/x/log.txt?x=1076daf4880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=ba0d23aa7e1ffaf5
dashboard link: https://syzkaller.appspot.com/bug?extid=b892240eac461e488d51
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=133c8540880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11b74870880000

Reported-by: syzbot+b892240eac461e488d51@...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