crash fix for broken files

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6811 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-02-29 18:46:50 +00:00
parent fd8c0a5cca
commit e4e48cc279
3 changed files with 13 additions and 0 deletions
@@ -142,6 +142,11 @@ OpenDMLParser::Parse(BPositionIO *source)
 		}
 		pos += 4;
 		size = AVI_UINT32(temp);
+
+		if (size == 0) {
+			TRACE("OpenDMLParser::Parse: Error: chunk of size 0 found\n");
+			goto err;
+		}
 		
 		if (fourcc == FOURCC('J','U','N','K')) {
 			TRACE("OpenDMLParser::Parse: JUNK chunk ignored, size: %lu bytes\n", size);