Index: /trunk/src/VBox/VMM/GMM.cpp
===================================================================
--- /trunk/src/VBox/VMM/GMM.cpp	(revision 29400)
+++ /trunk/src/VBox/VMM/GMM.cpp	(revision 29401)
@@ -384,5 +384,5 @@
 {
     pReq->Hdr.u32Magic  = SUPVMMR0REQHDR_MAGIC;
-    pReq->Hdr.cbReq     = RT_OFFSETOF(GMMREGISTERSHAREDMODULEREQ, aRegions[pReq->cRegions]);;
+    pReq->Hdr.cbReq     = RT_OFFSETOF(GMMREGISTERSHAREDMODULEREQ, aRegions[pReq->cRegions]);
     return VMMR3CallR0(pVM, VMMR0_DO_GMM_REGISTER_SHARED_MODULE, 0, &pReq->Hdr);
 }
Index: /trunk/src/VBox/VMM/PGMSharedPage.cpp
===================================================================
--- /trunk/src/VBox/VMM/PGMSharedPage.cpp	(revision 29400)
+++ /trunk/src/VBox/VMM/PGMSharedPage.cpp	(revision 29401)
@@ -109,5 +109,5 @@
     {
         pReq->Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
-        pReq->Hdr.cbReq = sizeof(*pReq);
+        pReq->Hdr.cbReq = RT_OFFSETOF(GMMREGISTERSHAREDMODULEREQ, aRegions[pReq->cRegions]);
 
         /* We must stall other VCPUs as we'd otherwise have to send IPI flush commands for every single change we make. */