This would be the win32k 0 day that's been blogged and unfixed in Windows
for over 4 years now, and which allows the Surface RT to be jailbroken. You
really want to fix this? :( What about hackcompat?!

Best regards,
Alex Ionescu

On Sun, Feb 8, 2015 at 12:37 AM, Thomas Faber <[email protected]>
wrote:

> On 2015-02-07 16:26, [email protected] wrote:
> > @@ -792,24 +791,54 @@
> >          case UserThreadInitiateShutdown:
> >          {
> >              ERR("Shutdown initiated\n");
> > -            STUB;
> > -            Status = STATUS_NOT_IMPLEMENTED;
> > +
> > +            if (ThreadInformationLength != sizeof(ULONG))
> > +            {
> > +                Status = STATUS_INFO_LENGTH_MISMATCH;
> > +                break;
> > +            }
> > +
> > +            Status = UserInitiateShutdown(Thread,
> (PULONG)ThreadInformation);
> >              break;
> >          }
>
> This looks like contrary to the other cases, ThreadInformation is
> neither probed, nor accessed inside SEH here?
>
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