Prevent timeout fault running DOMConfiguratorFuzzer (#482)

Author: swebb2066

src/fuzzers/cpp/DOMConfiguratorFuzzer.cpp

@@ -15,10 +15,14 @@
  * limitations under the License.
  */
 
-#include "stdint.h"
 #include <fuzzer/FuzzedDataProvider.h>
 #include <log4cxx/xml/domconfigurator.h>
 
+namespace
+{
+	const size_t MaximumFileByteCount = 100000;
+}
+
 using namespace log4cxx;
 using namespace log4cxx::helpers;
 using namespace log4cxx::xml;
@@ -30,7 +34,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 	if (!fp) {
 		return 0;
 	}
-	fwrite(data, size, 1, fp);
+	fwrite(data, std::min(size, MaximumFileByteCount), 1, fp);
 	fclose(fp);
 	DOMConfigurator::configure(filename);
 	return 0;