Re: [syzbot] general protection fault in __io_file_supports_nowait

From: Jens Axboe
Date: Tue Aug 31 2021 - 22:09:02 EST


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