linux-kernel - Re: [syzbot] [ntfs3?] KASAN: use-after-free Read in hdr_find

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <00000000000047848f05f3a4a32f@google.com>
Date:   Wed, 01 Feb 2023 06:55:23 -0800
From:   syzbot <syzbot+c986d2a447ac6fb27b02@...kaller.appspotmail.com>
To:     almaz.alexandrovich@...agon-software.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        ntfs3@...ts.linux.dev, pjwatson999@...il.com,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [ntfs3?] KASAN: use-after-free Read in hdr_find_e

syzbot suspects this issue was fixed by commit:

commit 0e8235d28f3a0e9eda9f02ff67ee566d5f42b66b
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Mon Oct 10 10:15:33 2022 +0000

    fs/ntfs3: Check fields while reading

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1268739e480000
start commit:   55be6084c8e0 Merge tag 'timers-core-2022-10-05' of git://g..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=df75278aabf0681a
dashboard link: https://syzkaller.appspot.com/bug?extid=c986d2a447ac6fb27b02
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=164e92a4880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=126f7ac6880000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs/ntfs3: Check fields while reading

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