From: Jens Axboe <[email protected]>
To: syzbot <[email protected]>,
[email protected], [email protected],
[email protected], [email protected]
Subject: Re: [syzbot] UBSAN: array-index-out-of-bounds in io_submit_sqes
Date: Tue, 31 May 2022 02:45:04 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 5/31/22 1:55 AM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 3b46e4e44180 Add linux-next specific files for 20220531
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=16e151f5f00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=ccb8d66fc9489ef
> dashboard link: https://syzkaller.appspot.com/bug?extid=b6c9b65b6753d333d833
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
>
> Unfortunately, I don't have any reproducer for this issue yet.
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: [email protected]
>
> ================================================================================
> ================================================================================
> UBSAN: array-index-out-of-bounds in fs/io_uring.c:8860:19
> index 75 is out of range for type 'io_op_def [47]'
'def' is just set here, it's not actually used after 'opcode' has been
verified.
--
Jens Axboe
next prev parent reply other threads:[~2022-05-31 8:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-31 7:55 [syzbot] UBSAN: array-index-out-of-bounds in io_submit_sqes syzbot
2022-05-31 8:45 ` Jens Axboe [this message]
2022-05-31 8:52 ` Dmitry Vyukov
2022-05-31 8:56 ` Jens Axboe
2022-05-31 9:00 ` Hao Xu
2022-05-31 9:01 ` Jens Axboe
2022-05-31 9:05 ` Dmitry Vyukov
2022-05-31 9:07 ` Jens Axboe
2022-05-31 9:14 ` Dmitry Vyukov
2022-05-31 9:53 ` Jens Axboe
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