linux-kernel - Re: [syzbot] general protection fault in __io_file_supports

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Message-ID: <b4305afc-ff25-8388-1ba2-e761129a509a@kernel.dk>
Date:   Tue, 31 Aug 2021 20:08:57 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     syzbot <syzbot+e51249708aaa9b0e4d2c@...kaller.appspotmail.com>,
        asml.silence@...il.com, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] general protection fault in __io_file_supports_nowait

On 8/31/21 8:00 PM, syzbot wrote:
> syzbot has found a reproducer for the following issue on:
> 
> HEAD commit:    b91db6a0b52e Merge tag 'for-5.15/io_uring-vfs-2021-08-30' ..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=12718683300000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=210537ff2ddcc232
> dashboard link: https://syzkaller.appspot.com/bug?extid=e51249708aaa9b0e4d2c
> 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=12615c35300000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16c57845300000

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

-- 
Jens Axboe