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 org.apache.commons.compress.archivers.sevenz.SevenZFile; 18 import org.apache.commons.compress.archivers.sevenz.SevenZFileOptions; 19 import org.apache.commons.compress.utils.SeekableInMemoryByteChannel; 20 21 import java.io.IOException; 22 import java.util.logging.LogManager; 23 24 public class CompressSevenZFuzzer { 25 private static final SevenZFileOptions options = new SevenZFileOptions.Builder() 26 .withMaxMemoryLimitInKb(1_000_000) 27 .build(); 28 fuzzerInitialize()29 public static void fuzzerInitialize() { 30 LogManager.getLogManager().reset(); 31 } 32 fuzzerTestOneInput(byte[] data)33 public static void fuzzerTestOneInput(byte[] data) { 34 try { 35 new SevenZFile(new SeekableInMemoryByteChannel(data), options).close(); 36 } catch (IOException ignored) { 37 } 38 } 39 } 40