linux-kernel - Re: general protection fault in io_uring

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Message-ID: <221d0220-1b12-ba5f-af0e-b4563d122ef4@gmail.com>
Date:   Fri, 15 Jan 2021 04:40:51 +0000
From:   Pavel Begunkov <asml.silence@...il.com>
To:     syzbot <syzbot+06b7d55a62acca161485@...kaller.appspotmail.com>,
        axboe@...nel.dk, io-uring@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: general protection fault in io_uring_setup

On 15/01/2021 01:56, syzbot wrote:
> Hello,
> 
> syzbot has tested the proposed patch and the reproducer did not trigger any issue:
> 
> Reported-and-tested-by: syzbot+06b7d55a62acca161485@...kaller.appspotmail.com

#syz dup: general protection fault in io_disable_sqo_submit

> 
> Tested on:
> 
> commit:         06585c49 io_uring: do sqo disable on install_fd error
> git tree:       git://git.kernel.dk/linux-block
> kernel config:  https://syzkaller.appspot.com/x/.config?x=54595eacbd613c0d
> dashboard link: https://syzkaller.appspot.com/bug?extid=06b7d55a62acca161485
> compiler:       clang version 11.0.1
> 
> Note: testing is done by a robot and is best-effort only.
> 

-- 
Pavel Begunkov