[PATCH] usb: gadget: aspeed: fix buffer overflow

[Lei Yu]

On Wed, Dec 21, 2022 at 10:26 AM Lei Yu <yulei.sh at bytedance.com> wrote:
>
> On Wed, Dec 21, 2022 at 10:17 AM Neal Liu <neal_liu at aspeedtech.com> wrote:
> > > > > > > Using rndis is able to set MTU to 2000, and the issue can be
> > > reproduced.
> > >
> > > USB ecm is also tested and it is possible to set MTU to 2000, and could
> > > reproduce the issue.
> > > So I think this patch is needed anyway.
> > >
> > > @Neal Liu Could you kindly help to verify the USB ECM case?
> >
> > How to set MTU to 2000 on USB ECM case? I remember last time I cannot set by using "ifconfig ..."
> > Regardless ECM or RNDIS, I agree this patch is still needed.
>
> You were able to set MTU to 2000 for RNDIS but not for NCM.
> @Greg Kroah-Hartman indicated that RNDIS should not be used anymore.
> So I tested ECM and verified it could set MTU 2000 and the issue could
> be reproduced.

This patch fixes the kernel oops in the aspeed-vhub driver for both
USB ECM and RNDIS.
It now has an Acked-by from benh and Reviewed-by from neal_liu

Should we merge this patch?