2021-09-14 00:56:43

by Jens Axboe

Subject: Re: [syzbot] general protection fault in io_uring_register

On 9/13/21 12:32 PM, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: a3fa7a101dcf Merge branches 'akpm' and 'akpm-hotfixes' (pa..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=17da7b93300000
> kernel config: https://syzkaller.appspot.com/x/.config?x=ddf81d5d49fe3452
> dashboard link: https://syzkaller.appspot.com/bug?extid=337de45f13a4fd54d708
> 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=129e9da5300000

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

--
Jens Axboe

2021-09-14 01:31:04

by syzbot

Subject: Re: [syzbot] general protection fault in io_uring_register

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: [email protected]

Tested on:

commit: 7981f41e io_uring: pin SQPOLL data before unlocking ri..
git tree: git://git.kernel.dk/linux-block io_uring-5.15
kernel config: https://syzkaller.appspot.com/x/.config?x=6d93fe4341f98704
dashboard link: https://syzkaller.appspot.com/bug?extid=337de45f13a4fd54d708
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: testing is done by a robot and is best-effort only.