1 /* 2 * Copyright (c) Meta Platforms, Inc. and affiliates. 3 * All rights reserved. 4 * 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). 8 * You may select, at your option, one of the above-listed licenses. 9 */ 10 11 /** 12 * This fuzz target fuzzes all of the helper functions that consume compressed 13 * input. 14 */ 15 16 #include <stddef.h> 17 #include <stdlib.h> 18 #include <stdio.h> 19 #include "fuzz_helpers.h" 20 #include "zstd_helpers.h" 21 22 int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size) 23 { 24 ZSTD_frameHeader zfh; 25 if (size == 0) { 26 src = NULL; 27 } 28 /* You can fuzz any helper functions here that are fast, and take zstd 29 * compressed data as input. E.g. don't expect the input to be a dictionary, 30 * so don't fuzz ZSTD_getDictID_fromDict(). 31 */ 32 ZSTD_getFrameContentSize(src, size); 33 ZSTD_getDecompressedSize(src, size); 34 ZSTD_findFrameCompressedSize(src, size); 35 ZSTD_getDictID_fromFrame(src, size); 36 ZSTD_findDecompressedSize(src, size); 37 ZSTD_decompressBound(src, size); 38 ZSTD_frameHeaderSize(src, size); 39 ZSTD_isFrame(src, size); 40 ZSTD_getFrameHeader(&zfh, src, size); 41 ZSTD_getFrameHeader_advanced(&zfh, src, size, ZSTD_f_zstd1); 42 return 0; 43 } 44