linux-kernel - Re: [syzbot] KASAN: use-after-free Read in tctx_task

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: <00000000000008f3c605c9ecd545@google.com>
Date:   Thu, 19 Aug 2021 10:25:07 -0700
From:   syzbot <syzbot+9c3492b27d10dc49ffa6@...kaller.appspotmail.com>
To:     asml.silence@...il.com, axboe@...nel.dk, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in tctx_task_work (2)

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+9c3492b27d10dc49ffa6@...kaller.appspotmail.com

Tested on:

commit:         923ffe35 Revert "io_uring: improve tctx_task_work() ct..
git tree:       https://github.com/isilence/linux.git syztest_ctx_tw
kernel config:  https://syzkaller.appspot.com/x/.config?x=cb4282936412304f
dashboard link: https://syzkaller.appspot.com/bug?extid=9c3492b27d10dc49ffa6
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1

Note: testing is done by a robot and is best-effort only.