linux-kernel - Re: [syzbot] [io-uring?] KASAN: use-after-free Read in io_wq_worker

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] [day] [month] [year] [list]

Date:   Mon, 13 Mar 2023 08:38:58 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     syzbot <syzbot+b3ba2408ce0c74bb9230@...kaller.appspotmail.com>,
        asml.silence@...il.com, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [io-uring?] KASAN: use-after-free Read in
 io_wq_worker_wake

On 3/13/23 8:32 AM, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit e6db6f9398dadcbc06318a133d4c44a2d3844e61
> Author: Jens Axboe <axboe@...nel.dk>
> Date:   Sun Jan 8 17:39:17 2023 +0000
> 
>     io_uring/io-wq: only free worker if it was allocated for creation

#syz fix: io_uring/io-wq: only free worker if it was allocated for creation

-- 
Jens Axboe