Re: [PATCH] wusb: Stop using the stack for sg crypto scratch space

From: Greg KH
Date: Mon Oct 17 2016 - 03:05:22 EST


On Sun, Oct 16, 2016 at 10:17:53AM -0700, Andy Lutomirski wrote:
> On Thu, Oct 6, 2016 at 10:25 AM, Andy Lutomirski <luto@xxxxxxxxxx> wrote:
> > Pointing an sg list at the stack is verboten and, with
> > CONFIG_VMAP_STACK=y, will malfunction. Use kmalloc for the wusb
> > crypto stack space instead.
> >
> > Untested -- I'm not entirely convinced that this hardware exists in
> > the wild.
>
> Greg, could you queue this up for 4.9? I can't guarantee that it
> works, but I can pretty much guarantee that the driver is busted
> without it.

Yes, it's in my queue, couldn't do anything until after -rc1 came out.
I'll catch up on it this week.

thanks,

greg k-h