2 * Copyright (c) 2016-present, Facebook, Inc.
5 * This source code is licensed under both the BSD-style license (found in the
6 * LICENSE file in the root directory of this source tree) and the GPLv2 (found
7 * in the COPYING file in the root directory of this source tree).
11 * This fuzz target attempts to decompress the fuzzed data with the simple
12 * decompression function to ensure the decompressor never crashes.
18 #include "fuzz_helpers.h"
20 #include "fuzz_data_producer.h"
22 static ZSTD_DCtx *dctx = NULL;
24 int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
26 /* Give a random portion of src data to the producer, to use for
27 parameter generation. The rest will be used for (de)compression */
28 FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(src, size);
29 size = FUZZ_dataProducer_reserveDataPrefix(producer);
32 dctx = ZSTD_createDCtx();
36 size_t const bufSize = FUZZ_dataProducer_uint32Range(producer, 0, 10 * size);
37 void *rBuf = malloc(bufSize);
40 ZSTD_decompressDCtx(dctx, rBuf, bufSize, src, size);
43 FUZZ_dataProducer_free(producer);
45 #ifndef STATEFUL_FUZZING
46 ZSTD_freeDCtx(dctx); dctx = NULL;