1 // Copyright 2022 Code Intelligence GmbH 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 package com.example; 16 17 import com.code_intelligence.jazzer.api.FuzzedDataProvider; 18 import com.code_intelligence.jazzer.api.FuzzerSecurityIssueMedium; 19 import com.code_intelligence.jazzer.junit.FuzzTest; 20 21 public class DirectoryInputsFuzzTest { 22 private static boolean firstSeed = true; 23 24 @FuzzTest(maxDuration = "0s") inputsFuzz(FuzzedDataProvider data)25 public void inputsFuzz(FuzzedDataProvider data) { 26 // Only execute the fuzz test logic on the empty input and the only seed. 27 if (data.remainingBytes() == 0) { 28 return; 29 } 30 String input = data.consumeRemainingAsString(); 31 if (!firstSeed && !input.equals("directory")) { 32 throw new IllegalStateException("Should have crashed on the first non-empty input"); 33 } 34 firstSeed = false; 35 if (input.equals("directory")) { 36 throw new FuzzerSecurityIssueMedium(); 37 } 38 } 39 } 40