ObmObjectDeleted() fixed to detect at least some handles being passed to it...

reactos/subsys/win32k/misc

diff -u -r1.12.8.4 -r1.12.8.5
--- object.c	26 Sep 2004 22:44:35 -0000	1.12.8.4
+++ object.c	27 Sep 2004 01:08:03 -0000	1.12.8.5
@@ -16,7 +16,7 @@

  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

-/* $Id: object.c,v 1.12.8.4 2004/09/26 22:44:35 weiden Exp $

+/* $Id: object.c,v 1.12.8.5 2004/09/27 01:08:03 royce Exp $

  *
  * COPYRIGHT:      See COPYING in the top level directory
  * PROJECT:        ReactOS kernel

@@ -169,7 +169,14 @@

 {
   PUSER_OBJECT_HEADER ObjectHeader;
   

-  ASSERT(ObjectBody);

+  ASSERT ( (size_t)ObjectBody > 0x1000 );
+  if ( (size_t)ObjectBody <= 0x1000 )
+  {
+    DPRINT1("ObmObjectDeleted() called with ObjectBody==0x%x\n",ObjectBody);
+    KeRosDumpStackFrames(NULL,10);
+    DPRINT1("I could obtain a pointer to the handle, but I'll just bugcheck instead, have a nice day!\n");
+    KEBUGCHECK(0);
+  }

   
   ObjectHeader = BODY_TO_HEADER(ObjectBody);
   return ((ObjectHeader->Slot == NULL) || (*(ObjectHeader->Slot) != ObjectHeader));