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 <thomas.faber@reactos.org> wrote:

On 2015-02-07 16:26, hbelusca@svn.reactos.org 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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