Index: /trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp
===================================================================
--- /trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp	(revision 71627)
+++ /trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp	(revision 71628)
@@ -567,5 +567,5 @@
     ASSERT_GUEST_RETURN(   VbgaSafe.cbData <= UINT32_MAX - RT_UOFFSETOF(VBVABUFFER, au8Data)
                         && cbVBVABuffer <= pVGAState->vram_size
-                        && u32Offset > pVGAState->vram_size - cbVBVABuffer,
+                        && u32Offset <= pVGAState->vram_size - cbVBVABuffer,
                         VERR_INVALID_PARAMETER);
     if (!fRestored)