From: Jens Axboe <axboe@kernel.dk>
To: syzbot <syzbot+50a186b2a3a0139929ab@syzkaller.appspotmail.com>,
asml.silence@gmail.com, io-uring@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
xiaoguang.wang@linux.alibaba.com
Subject: Re: [syzbot] WARNING in io_poll_task_func
Date: Mon, 1 Nov 2021 12:30:10 -0600 [thread overview]
Message-ID: <a24e8fb9-f378-5308-8956-718c390c6c82@kernel.dk> (raw)
In-Reply-To: <000000000000e8ad6005cfbe4960@google.com>
On 11/1/21 12:24 PM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: bdcc9f6a5682 Add linux-next specific files for 20211029
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=142531f4b00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=4b504bcb4c507265
> dashboard link: https://syzkaller.appspot.com/bug?extid=50a186b2a3a0139929ab
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=177a979ab00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1636cc5f300000
>
> The issue was bisected to:
>
> commit 34ced75ca1f63fac6148497971212583aa0f7a87
> Author: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
> Date: Mon Oct 25 05:38:48 2021 +0000
>
> io_uring: reduce frequent add_wait_queue() overhead for multi-shot poll request
#syz invalid
Please stop testing this old branch, as mentioned the patches causing this
have been dropped.
--
Jens Axboe
prev parent reply other threads:[~2021-11-01 18:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-01 18:24 syzbot
2021-11-01 18:30 ` Jens Axboe [this message]
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