57 lines
1.9 KiB
Java
57 lines
1.9 KiB
Java
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/*
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* Copyright (C) 2022 The Android Open Source Project
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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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import com.android.json.stream.JsonReader;
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import com.code_intelligence.jazzer.api.FuzzedDataProvider;
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import java.io.IOException;
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import java.io.Reader;
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import java.io.StringReader;
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/**
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* JsonReaderFuzzer contains fuzzerTestOneInput(...) method to fuzz JsonReader
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* using the jazzer fuzzing engine.
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*/
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public class JsonReaderFuzzer {
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/**
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* fuzzerTestOneInput(FuzzedDataProvider data) is called by the jazzer
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* fuzzing engine repeatedly with random inputs to try and crash the code
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* in JsonReader.
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* @param data
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* argument of type FuzzedDataProvider to provide easy access to various
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* data types to feed into the fuzzer program.
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*/
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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String initString = data.consumeRemainingAsString();
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Reader in = new StringReader(initString);
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JsonReader jsonReader = new JsonReader(in);
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boolean hasNext = true;
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while (hasNext) {
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try {
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hasNext = jsonReader.hasNext();
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} catch (IOException e) {
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break;
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}
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try {
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jsonReader.nextString();
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} catch (IOException | IllegalStateException e) {
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break;
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}
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}
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}
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}
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