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 
19 public class ExampleFuzzerNative {
20   static {
21     System.loadLibrary("native");
22   }
23 
fuzzerTestOneInput(FuzzedDataProvider data)24   public static void fuzzerTestOneInput(FuzzedDataProvider data) {
25     int val = data.consumeInt();
26     String stringData = data.consumeRemainingAsString();
27     if (val == 17759716 && stringData.length() > 10 && stringData.contains("jazzer")) {
28       // call native function which contains a crash
29       parse(stringData);
30     }
31   }
32 
parse(String bytes)33   private static native boolean parse(String bytes);
34 }
35