linux-kernel - Re: KASAN: slab-out-of-bounds Read in ntfs_attr

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Message-ID: <000000000000db46890598628cf4@google.com>
Date:   Wed, 27 Nov 2019 22:52:00 -0800
From:   syzbot <syzbot+aed06913f36eff9b544e@...kaller.appspotmail.com>
To:     anton@...era.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-ntfs-dev@...ts.sourceforge.net, matthias.bgg@...il.com,
        olof@...om.net, s.hauer@...gutronix.de,
        syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: slab-out-of-bounds Read in ntfs_attr_find

syzbot has bisected this bug to:

commit 9dd068a4b85a68733213c874d08ef768bbec8d01
Author: Matthias Brugger <matthias.bgg@...il.com>
Date:   Fri Jul 31 15:03:13 2015 +0000

     soc: mediatek: Fix SCPSYS compilation

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10880f02e00000
start commit:   0adb3285 Linux 4.16
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=12880f02e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=14880f02e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=df0c336cc3b55d45
dashboard link: https://syzkaller.appspot.com/bug?extid=aed06913f36eff9b544e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1430ded3800000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1533214b800000

Reported-by: syzbot+aed06913f36eff9b544e@...kaller.appspotmail.com
Fixes: 9dd068a4b85a ("soc: mediatek: Fix SCPSYS compilation")

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