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

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Date:   Fri, 01 Apr 2022 08:04:09 -0700
From:   syzbot <syzbot+edb9c7738ba8cbdbf197@...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_poll_check_events

Hello,

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

Reported-and-tested-by: syzbot+edb9c7738ba8cbdbf197@...kaller.appspotmail.com

Tested on:

commit:         787c2499 Merge branch 'for-5.18/drivers' into for-next
git tree:       git://git.kernel.dk/linux-block for-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=6a82c1abd4cbb9ee
dashboard link: https://syzkaller.appspot.com/bug?extid=edb9c7738ba8cbdbf197
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.