1 // Copyright 2021 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 //////////////////////////////////////////////////////////////////////////////// 16 17 import com.code_intelligence.jazzer.api.FuzzedDataProvider; 18 import java.security.SecureRandom; 19 20 public class ExampleFuzzer { fuzzerInitialize()21 public static void fuzzerInitialize() { 22 // Optional initialization to be run before the first call to fuzzerTestOneInput. 23 } 24 fuzzerTestOneInput(FuzzedDataProvider data)25 public static void fuzzerTestOneInput(FuzzedDataProvider data) { 26 String input = data.consumeRemainingAsString(); 27 long random = 123123132; 28 if (input.startsWith("magicstring" + random) && input.length() > 30 29 && input.charAt(25) == 'C') { 30 throw new IllegalStateException("Not reached"); 31 } 32 } 33 } 34