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

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Message-ID: <5a93ff90-98be-b5af-29e9-a2f8cca82458@kernel.dk>
Date:   Fri, 3 Sep 2021 14:38:28 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     syzbot <syzbot+726f2ce6dbbf2ad8d133@...kaller.appspotmail.com>,
        asml.silence@...il.com, 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

On 9/3/21 2:28 PM, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    4ac6d90867a4 Merge tag 'docs-5.15' of git://git.lwn.net/li..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=13a275f5300000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3c3a5498e99259cf
> 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
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=124a3b49300000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=142e610b300000

#syz test git://git.kernel.dk/linux-block for-5.15/io_uring

-- 
Jens Axboe