Re: WARNING in hif_usb_send/usb_submit_urb

[Andrey Konovalov]

On Fri, Oct 9, 2020 at 8:55 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
>
> To the ath9k_htc maintainers:
>
> This is an attempt to fix a bug detected by the syzbot fuzzer.  The bug
> arises when a USB device claims to be an ATH9K but doesn't have the
> expected endpoints.  (In this case there was a bulk endpoint where the
> driver expected an interrupt endpoint.)  The kernel needs to be able to
> handle such devices without getting an internal error.
>
> On Fri, Oct 09, 2020 at 07:19:19AM -0700, syzbot wrote:
> > syzbot has found a reproducer for the following issue on:
> >
> > HEAD commit:    6c8cf369 usb: typec: Add QCOM PMIC typec detection driver
>
> Andrey, why doesn't syzbot put a 12-digit commit ID here?

No particular reason, I think. Makes sense to change it to 12, as it's
the recommended minimum AFAIU. I've a bug to track this here:
https://github.com/google/syzkaller/issues/2184

Thank you!