mirror of https://github.com/google/oss-fuzz.git
44 lines
1.6 KiB
Java
44 lines
1.6 KiB
Java
// Copyright 2021 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.io.*;
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import org.brotli.dec.BrotliInputStream;
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public class FuzzDecode {
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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byte[] buffer = new byte[65536];
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byte[] inputBytes = data.consumeBytes(65536);
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// Brotli allows 0-bit prefix codes - thus even small input could produce large output.
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long totalOutputCap = Math.min(4096L * inputBytes.length, 3L << 24);
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totalOutputCap = Math.max(totalOutputCap, 1L << 20);
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long totalOutput = 0;
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ByteArrayInputStream input = new ByteArrayInputStream(inputBytes);
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try {
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BrotliInputStream brotliInput = new BrotliInputStream(input);
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while (true) {
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int len = brotliInput.read(buffer, 0, buffer.length);
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if (len <= 0) {
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break;
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}
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totalOutput += len;
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if (totalOutput >= totalOutputCap) break;
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}
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} catch (IOException expected) {}
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}
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}
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