linux-kernel - Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in kiocb

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Message-ID: <0000000000005ceb2c05cb1f5fad@google.com>
Date:   Fri, 03 Sep 2021 16:08:07 -0700
From:   syzbot <syzbot+726f2ce6dbbf2ad8d133@...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] BUG: unable to handle kernel NULL pointer dereference in kiocb_done

Hello,

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

Reported-and-tested-by: syzbot+726f2ce6dbbf2ad8d133@...kaller.appspotmail.com

Tested on:

commit:         31efe48e io_uring: fix possible poll event lost in mul..
git tree:       git://git.kernel.dk/linux-block for-5.15/io_uring
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa8e68781da309a
dashboard link: https://syzkaller.appspot.com/bug?extid=726f2ce6dbbf2ad8d133
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.