Changeset 31363 in vbox for trunk/src/VBox/VMM

Timestamp:

Aug 4, 2010 4:10:22 PM (14 years ago)

Author:

vboxsync

Message:

Paranoia

File:

• trunk/src/VBox/VMM/PGMSharedPage.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/PGMSharedPage.cpp

@@ -89 +89 @@
         PGMMREGISTERSHAREDMODULEREQ *ppSharedModule = NULL;
 
-        if (pSharedModules[cSharedModules])
+        if (    cSharedModules < RT_ELEMENTS(pSharedModules)
+            &&  pSharedModules[cSharedModules])
         {
             for (unsigned i = 0; i < cSharedModules; i++)
@@ -104 +105 @@
             ppSharedModule = &pSharedModules[cSharedModules];
 
-        *ppSharedModule = (PGMMREGISTERSHAREDMODULEREQ)RTMemAllocZ(RT_OFFSETOF(GMMREGISTERSHAREDMODULEREQ, aRegions[cRegions]));
-        memcpy(*ppSharedModule, pReq, RT_OFFSETOF(GMMREGISTERSHAREDMODULEREQ, aRegions[cRegions]));
-        cSharedModules++;
+        if (ppSharedModule)
+        {
+            *ppSharedModule = (PGMMREGISTERSHAREDMODULEREQ)RTMemAllocZ(RT_OFFSETOF(GMMREGISTERSHAREDMODULEREQ, aRegions[cRegions]));
+            memcpy(*ppSharedModule, pReq, RT_OFFSETOF(GMMREGISTERSHAREDMODULEREQ, aRegions[cRegions]));
+            cSharedModules++;
+        }
     }
 # endif