0c17a3fb38
PR-URL: https://github.com/nodejs/node/pull/53464 Reviewed-By: Chemi Atlow <chemi@atlow.co.il> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
// Copyright 2024 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <fuzzer/FuzzedDataProvider.h>
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#include <vector>
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#include "zlib.h"
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// Fuzzer builds often have NDEBUG set, so roll our own assert macro.
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#define ASSERT(cond) \
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do { \
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if (!(cond)) { \
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fprintf(stderr, "%s:%d Assert failed: %s\n", __FILE__, __LINE__, #cond); \
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exit(1); \
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} \
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} while (0)
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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FuzzedDataProvider fdp(data, size);
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const int level = fdp.PickValueInArray({-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
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const std::vector<uint8_t> src = fdp.ConsumeRemainingBytes<uint8_t>();
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const unsigned long compress_bound = compressBound(src.size());
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std::vector<uint8_t> compressed;
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compressed.resize(compress_bound);
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unsigned long compressed_size = compress_bound;
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int ret = compress2(compressed.data(), &compressed_size, src.data(),
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src.size(), level);
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ASSERT(ret == Z_OK);
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ASSERT(compressed_size <= compress_bound);
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compressed.resize(compressed_size);
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std::vector<uint8_t> uncompressed;
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uncompressed.resize(src.size());
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unsigned long uncompressed_size = uncompressed.size();
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ret = uncompress(uncompressed.data(), &uncompressed_size, compressed.data(),
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compressed.size());
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ASSERT(ret == Z_OK);
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ASSERT(uncompressed_size == src.size());
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ASSERT(uncompressed == src);
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return 0;
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}
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