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tests/fuzz/seq_prod_fuzz_example/example_seq_prod.c
52 строки
1 KB
Elliot Gorokhovsky
Provide an interface for fuzzing sequence producer plugins
28 мар 2023, 22:02
28 мар 2023, 22:02
a810e1e
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/* * Copyright (c) Yann Collet, Meta Platforms, 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). * You may select, at your option, one of the above-listed licenses. */ #include "fuzz_third_party_seq_prod.h" #include <assert.h> #include <stdlib.h> #include <string.h> _Thread_local size_t threadLocalState; size_t FUZZ_seqProdSetup(void) { threadLocalState = 0; return 0; } size_t FUZZ_seqProdTearDown(void) { return 0; } void* FUZZ_createSeqProdState(void) { return calloc(1, sizeof(size_t)); } size_t FUZZ_freeSeqProdState(void* state) { free(state); return 0; } size_t FUZZ_thirdPartySeqProd( void* sequenceProducerState, ZSTD_Sequence* outSeqs, size_t outSeqsCapacity, const void* src, size_t srcSize, const void* dict, size_t dictSize, int compressionLevel, size_t windowSize ) { /* Try to catch unsafe use of the shared state */ size_t* const sharedStatePtr = (size_t*)sequenceProducerState; assert(*sharedStatePtr == threadLocalState); (*sharedStatePtr)++; threadLocalState++; /* Check that fallback is enabled when FUZZ_THIRD_PARTY_SEQ_PROD is defined */ return ZSTD_SEQUENCE_PRODUCER_ERROR; }