Index: /trunk/src/VBox/Runtime/r3/dir.cpp
===================================================================
--- /trunk/src/VBox/Runtime/r3/dir.cpp	(revision 78206)
+++ /trunk/src/VBox/Runtime/r3/dir.cpp	(revision 78207)
@@ -755,5 +755,5 @@
     size_t const cchChild    = strlen(pszChild);
     if (cchChild < RTPATH_MAX)
-        pszPath = (char *)alloca(cchChild);
+        pszPath = (char *)alloca(cchChild + 1);
     else
     {