GP-0: Improving bounds check in DebugDirectory.java (Closes #7271)

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/debug/DebugDirectory.java

@@ -4,9 +4,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -92,8 +92,9 @@ public class DebugDirectory implements StructConverter, ByteArrayConverter {
 				return;
 			}
 			if (sizeOfData > 0) {
-				if (!validator.checkPointer(pointerToRawData)) {
-					Msg.error(this, "Invalid pointerToRawData " + pointerToRawData);
+				if (!validator.checkPointer(pointerToRawData + sizeOfData - 1)) {
+					Msg.error(this, "Invalid debug pointerToRawData + sizeOfData: 0x%x"
+							.formatted(pointerToRawData + sizeOfData - 1));
 					sizeOfData = 0;
 					reader.setPointerIndex(oldIndex);
 					return;