linux-kernel - Re: [syzbot] KASAN: use-after-free Write in __io_free

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Message-ID: <000000000000d2737805cf8403c9@google.com>
Date:   Fri, 29 Oct 2021 13:53:10 -0700
From:   syzbot <syzbot+78b76ebc91042904f34e@...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 Write in __io_free_req

Hello,

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

Reported-and-tested-by: syzbot+78b76ebc91042904f34e@...kaller.appspotmail.com

Tested on:

commit:         1d5f5ea7 io-wq: remove worker to owner tw dependency
git tree:       git://git.kernel.dk/linux-block for-5.16/io_uring
kernel config:  https://syzkaller.appspot.com/x/.config?x=10c050a45aafafcc
dashboard link: https://syzkaller.appspot.com/bug?extid=78b76ebc91042904f34e
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

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