HppcSerializerFuzzer.java
// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////////
import com.carrotsearch.hppc.BitSet;
import com.carrotsearch.hppc.ByteArrayList;
import com.carrotsearch.hppc.CharArrayList;
import com.carrotsearch.hppc.CharHashSet;
import com.carrotsearch.hppc.DoubleArrayList;
import com.carrotsearch.hppc.FloatArrayList;
import com.carrotsearch.hppc.IntArrayList;
import com.carrotsearch.hppc.IntHashSet;
import com.carrotsearch.hppc.LongArrayList;
import com.carrotsearch.hppc.LongHashSet;
import com.carrotsearch.hppc.ShortArrayList;
import com.carrotsearch.hppc.ShortHashSet;
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.hppc.HppcModule;
import java.io.IOException;
/** This fuzzer targets the serialization methods of Hppc objects */
public class HppcSerializerFuzzer {
private static ObjectMapper mapper;
public static void fuzzerInitialize() {
// Register the HppcModule for the serialization
mapper = new ObjectMapper().registerModule(new HppcModule());
}
public static void fuzzerTestOneInput(FuzzedDataProvider data) {
try {
// Fuzz the serialize methods for different Hppc objects
Integer listSize = data.consumeInt(1, 10);
switch (data.consumeInt(1, 8)) {
case 1:
byte[] byteArray = data.consumeRemainingAsBytes();
ByteArrayList byteArrayList = new ByteArrayList();
byteArrayList.add(byteArray);
mapper.writeValueAsString(byteArray);
mapper.writeValueAsString(byteArrayList);
break;
case 2:
char[] charArray = data.consumeRemainingAsString().toCharArray();
CharArrayList charArrayList = new CharArrayList();
CharHashSet charHashSet = new CharHashSet();
charArrayList.add(charArray);
charHashSet.addAll(charArray);
mapper.writeValueAsString(charArrayList);
mapper.writeValueAsString(charHashSet);
break;
case 3:
double[] doubleArray = new double[listSize];
for (int i = 0; i < doubleArray.length; i++) {
doubleArray[i] = data.consumeDouble();
}
DoubleArrayList doubleArrayList = new DoubleArrayList();
doubleArrayList.add(doubleArray);
mapper.writeValueAsString(doubleArrayList);
break;
case 4:
float[] floatArray = new float[listSize];
for (int i = 0; i < floatArray.length; i++) {
floatArray[i] = data.consumeFloat();
}
FloatArrayList floatArrayList = new FloatArrayList();
floatArrayList.add(floatArray);
mapper.writeValueAsString(floatArrayList);
break;
case 5:
int[] intArray = data.consumeInts(listSize);
IntArrayList intArrayList = new IntArrayList();
IntHashSet intHashSet = new IntHashSet();
intArrayList.add(intArray);
intHashSet.addAll(intArray);
mapper.writeValueAsString(intArrayList);
mapper.writeValueAsString(intHashSet);
break;
case 6:
long[] longArray = data.consumeLongs(listSize);
LongArrayList longArrayList = new LongArrayList();
LongHashSet longHashSet = new LongHashSet();
longArrayList.add(longArray);
longHashSet.addAll(longArray);
mapper.writeValueAsString(longArrayList);
mapper.writeValueAsString(longHashSet);
break;
case 7:
short[] shortArray = data.consumeShorts(listSize);
ShortArrayList shortArrayList = new ShortArrayList();
ShortHashSet shortHashSet = new ShortHashSet();
shortArrayList.add(shortArray);
shortHashSet.addAll(shortArray);
mapper.writeValueAsString(shortArrayList);
mapper.writeValueAsString(shortHashSet);
break;
case 8:
BitSet bitSet = new BitSet();
for (int i = 0; i < 5; i++) {
bitSet.set(data.consumeInt(0, (int) bitSet.capacity()));
}
mapper.writeValueAsString(bitSet);
break;
}
} catch (IOException e) {
// Known exception
}
}
}