Re: WARNING in usbhid_raw_request/usb_submit_urb

[Andrey Konovalov]

On Wed, Aug 21, 2019 at 3:09 PM syzbot
<syzbot+a7a6b9c609b9457c62c6@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Hello,
>
> syzbot has tested the proposed patch and the reproducer did not trigger
> crash:
>
> Reported-and-tested-by:
> syzbot+a7a6b9c609b9457c62c6@xxxxxxxxxxxxxxxxxxxxxxxxx
>
> Tested on:
>
> commit:         7f7867ff usb-fuzzer: main usb gadget fuzzer driver
> git tree:       https://github.com/google/kasan.git
> kernel config:  https://syzkaller.appspot.com/x/.config?x=792eb47789f57810
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> patch:          https://syzkaller.appspot.com/x/patch.diff?x=140148ca600000
>
> Note: testing is done by a robot and is best-effort only.

Looks like the same bug:

#syz dup: general protection fault in __pm_runtime_resume