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

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Message-ID: <000000000000013c3e05f21ba793@google.com>
Date:   Thu, 12 Jan 2023 18:04:23 -0800
From:   syzbot <syzbot+ebcc33c1e81093c9224f@...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 io_fallback_tw

Hello,

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

Reported-and-tested-by: syzbot+ebcc33c1e81093c9224f@...kaller.appspotmail.com

Tested on:

commit:         73f41663 Merge branch 'for-6.3/iter-ubuf' into for-next
git tree:       git://git.kernel.dk/linux.git for-next
console output: https://syzkaller.appspot.com/x/log.txt?x=16cc1236480000
kernel config:  https://syzkaller.appspot.com/x/.config?x=2b6ecad960fc703e
dashboard link: https://syzkaller.appspot.com/bug?extid=ebcc33c1e81093c9224f
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.