Avoid exceptions for malformed debug headers

jbevain · Aug 2, 2019 · b2d248c · b2d248c
1 parent 1ac62c6
commit b2d248c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Mono.Cecil.PE/ImageReader.cs b/Mono.Cecil.PE/ImageReader.cs
@@ -350,7 +350,7 @@ void ReadDebugHeader ()
 					PointerToRawData = ReadInt32 (),
 				};
 
-				if (directory.PointerToRawData == 0) {
+				if (directory.PointerToRawData == 0 || directory.SizeOfData < 0) {
 					entries [i] = new ImageDebugHeaderEntry (directory, Empty<byte>.Array);
 					continue;
 				}