09caa4d800
Add a fuzzer that fuzzes all helper functions that take compressed input. This fuzzer caught one out of bounds read in `ZSTD_decompressBound()`.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2016-present, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under both the BSD-style license (found in the
|
|
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
|
|
* in the COPYING file in the root directory of this source tree).
|
|
*/
|
|
|
|
/**
|
|
* This fuzz target fuzzes all of the helper functions that consume compressed
|
|
* input.
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include "fuzz_helpers.h"
|
|
#include "zstd_helpers.h"
|
|
|
|
int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
|
|
{
|
|
ZSTD_frameHeader zfh;
|
|
/* Consume the seed to be compatible with the corpora of other decompression
|
|
* fuzzers.
|
|
*/
|
|
FUZZ_seed(&src, &size);
|
|
/* You can fuzz any helper functions here that are fast, and take zstd
|
|
* compressed data as input. E.g. don't expect the input to be a dictionary,
|
|
* so don't fuzz ZSTD_getDictID_fromDict().
|
|
*/
|
|
ZSTD_getFrameContentSize(src, size);
|
|
ZSTD_getDecompressedSize(src, size);
|
|
ZSTD_findFrameCompressedSize(src, size);
|
|
ZSTD_getDictID_fromFrame(src, size);
|
|
ZSTD_findDecompressedSize(src, size);
|
|
ZSTD_decompressBound(src, size);
|
|
ZSTD_frameHeaderSize(src, size);
|
|
ZSTD_isFrame(src, size);
|
|
ZSTD_getFrameHeader(&zfh, src, size);
|
|
ZSTD_getFrameHeader_advanced(&zfh, src, size, ZSTD_f_zstd1);
|
|
return 0;
|
|
}
|