Re: general protection fault in loop_validate_file

[Tetsuo Handa]

On 2018/06/18 23:33, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:ÂÂÂ ce397d215ccd Linux 4.18-rc1
> git tree:ÂÂÂÂÂÂ upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=129dfccf800000
> kernel config:Â https://syzkaller.appspot.com/x/.config?x=f390986c4f7cd566
> dashboard link: https://syzkaller.appspot.com/bug?extid=2f228435b0b9ec0ba068
> compiler:ÂÂÂÂÂÂ gcc (GCC) 8.0.1 20180413 (experimental)
> 
> Unfortunately, I don't have any reproducer for this crash yet.

This is a known bug. We are waiting for response from Jens Axboe at
http://lkml.kernel.org/r/748bce03-afda-4ed2-13b3-1fcd01d57770@xxxxxxxxx .

#syz dup: general protection fault in lo_ioctl (2)