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Bump bundled libarchive version to 3.5.2
- Update bunlded libarchive version used on Windows/Mac - Enable requested zstd support while we are at it. Closes #211
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1869 changed files with 166685 additions and 9489 deletions
73
dependencies/zstd-1.5.0/tests/fuzz/dictionary_decompress.c
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dependencies/zstd-1.5.0/tests/fuzz/dictionary_decompress.c
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/*
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* Copyright (c) Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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/**
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* This fuzz target attempts to decompress the fuzzed data with the dictionary
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* decompression function to ensure the decompressor never crashes. It does not
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* fuzz the dictionary.
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*/
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "fuzz_helpers.h"
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#include "zstd_helpers.h"
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#include "fuzz_data_producer.h"
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static ZSTD_DCtx *dctx = NULL;
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int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
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{
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/* Give a random portion of src data to the producer, to use for
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parameter generation. The rest will be used for (de)compression */
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FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(src, size);
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size = FUZZ_dataProducer_reserveDataPrefix(producer);
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FUZZ_dict_t dict;
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ZSTD_DDict* ddict = NULL;
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if (!dctx) {
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dctx = ZSTD_createDCtx();
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FUZZ_ASSERT(dctx);
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}
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dict = FUZZ_train(src, size, producer);
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if (FUZZ_dataProducer_uint32Range(producer, 0, 1) == 0) {
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ddict = ZSTD_createDDict(dict.buff, dict.size);
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FUZZ_ASSERT(ddict);
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} else {
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if (FUZZ_dataProducer_uint32Range(producer, 0, 1) == 0)
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FUZZ_ZASSERT(ZSTD_DCtx_loadDictionary_advanced(
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dctx, dict.buff, dict.size,
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(ZSTD_dictLoadMethod_e)FUZZ_dataProducer_uint32Range(producer, 0, 1),
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(ZSTD_dictContentType_e)FUZZ_dataProducer_uint32Range(producer, 0, 2)));
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else
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FUZZ_ZASSERT(ZSTD_DCtx_refPrefix_advanced(
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dctx, dict.buff, dict.size,
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(ZSTD_dictContentType_e)FUZZ_dataProducer_uint32Range(producer, 0, 2)));
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}
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{
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size_t const bufSize = FUZZ_dataProducer_uint32Range(producer, 0, 10 * size);
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void* rBuf = FUZZ_malloc(bufSize);
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if (ddict) {
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ZSTD_decompress_usingDDict(dctx, rBuf, bufSize, src, size, ddict);
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} else {
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ZSTD_decompressDCtx(dctx, rBuf, bufSize, src, size);
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}
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free(rBuf);
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}
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free(dict.buff);
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FUZZ_dataProducer_free(producer);
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ZSTD_freeDDict(ddict);
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#ifndef STATEFUL_FUZZING
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ZSTD_freeDCtx(dctx); dctx = NULL;
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#endif
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return 0;
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}
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