mirror of https://github.com/google/oss-fuzz.git
58 lines
1.9 KiB
Java
58 lines
1.9 KiB
Java
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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////////////////////////////////////////////////////////////////////////////////
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import com.code_intelligence.jazzer.api.FuzzedDataProvider;
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import java.nio.BufferUnderflowException;
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import java.nio.ByteBuffer;
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import org.apache.commons.codec.digest.MurmurHash2;
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import org.apache.commons.codec.digest.MurmurHash3;
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/**
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* This fuzzer argets different hashing methods in the MurmurHash2 and MurmurHash3 classes of the
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* digest package.
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*/
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public class MurmurHashFuzzer {
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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try {
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Integer choice = data.consumeInt(1, 12);
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Integer seed = data.consumeInt();
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byte[] byteArray = data.consumeRemainingAsBytes();
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switch (choice) {
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case 1:
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MurmurHash2.hash32(byteArray, byteArray.length, seed);
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break;
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case 2:
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MurmurHash2.hash64(byteArray, byteArray.length, seed);
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break;
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case 3:
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MurmurHash3.hash32x86(byteArray, 0, byteArray.length, seed);
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break;
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case 4:
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MurmurHash3.hash32(ByteBuffer.wrap(byteArray).getLong(), seed);
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break;
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case 5:
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MurmurHash3.hash128x64(byteArray, 0, byteArray.length, seed);
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break;
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case 6:
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MurmurHash3.hash128(byteArray);
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break;
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}
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} catch (BufferUnderflowException e) {
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// Known exception
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}
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}
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}
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