linux-kernel - Re: KASAN: use-after-free Read in ntfs_read_locked

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Date:   Wed, 27 Nov 2019 05:20:00 -0800
From:   syzbot <syzbot+19b469021157c136116a@...kaller.appspotmail.com>
To:     anton@...era.com, deller@....de, jejb@...isc-linux.org,
        keescook@...omium.org, linux-kernel@...r.kernel.org,
        linux-ntfs-dev@...ts.sourceforge.net, linux-parisc@...r.kernel.org,
        luto@...capital.net, syzkaller-bugs@...glegroups.com,
        wad@...omium.org
Subject: Re: KASAN: use-after-free Read in ntfs_read_locked_inode

syzbot has bisected this bug to:

commit 910cd32e552ea09caa89cdbe328e468979b030dd
Author: Helge Deller <deller@....de>
Date:   Wed Mar 30 12:14:31 2016 +0000

     parisc: Fix and enable seccomp filter support

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=143090dee00000
start commit:   3e968c9f Merge tag 'ext4_for_linus' of git://git.kernel.or..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=163090dee00000
console output: https://syzkaller.appspot.com/x/log.txt?x=123090dee00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7e8c053ac965e0dd
dashboard link: https://syzkaller.appspot.com/bug?extid=19b469021157c136116a
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=142d219b800000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=143029db800000

Reported-by: syzbot+19b469021157c136116a@...kaller.appspotmail.com
Fixes: 910cd32e552e ("parisc: Fix and enable seccomp filter support")

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