1 // Copyright 2021 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 static java.lang.Runtime.getRuntime; 18 19 import com.code_intelligence.jazzer.api.FuzzedDataProvider; 20 import java.util.concurrent.TimeUnit; 21 22 public class OsCommandInjectionRuntimeExec { fuzzerTestOneInput(FuzzedDataProvider data)23 public static void fuzzerTestOneInput(FuzzedDataProvider data) { 24 String input = data.consumeRemainingAsAsciiString(); 25 try { 26 Process process = getRuntime().exec(input, new String[] {}); 27 // This should be way faster, but we have to wait until the call is done 28 if (!process.waitFor(10, TimeUnit.MILLISECONDS)) { 29 process.destroyForcibly(); 30 } 31 } catch (Exception ignored) { 32 // Ignore execution and setup exceptions 33 } 34 } 35 } 36