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author | bimbashrestha <bshrestha.msae@gmail.com> | 2019-08-16 23:43:28 (GMT) |
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committer | bimbashrestha <bshrestha.msae@gmail.com> | 2019-08-16 23:43:28 (GMT) |
commit | f839e9fe8a393117c64dff58196d36b741780ab0 (patch) | |
tree | 8e631d375b6b734bd2e8f8385b5e289862a4f3b3 /ossfuzz/decompress_frame_fuzzer.c | |
parent | a9ac05645644a0615b558f6ac655c4ae46c4a926 (diff) | |
download | lz4-f839e9fe8a393117c64dff58196d36b741780ab0.zip lz4-f839e9fe8a393117c64dff58196d36b741780ab0.tar.gz lz4-f839e9fe8a393117c64dff58196d36b741780ab0.tar.bz2 |
Seperating fuzz data producer api impl and header, using data producer on the easy fuzzers
Diffstat (limited to 'ossfuzz/decompress_frame_fuzzer.c')
-rw-r--r-- | ossfuzz/decompress_frame_fuzzer.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/ossfuzz/decompress_frame_fuzzer.c b/ossfuzz/decompress_frame_fuzzer.c index bda25b0..4c8ac39 100644 --- a/ossfuzz/decompress_frame_fuzzer.c +++ b/ossfuzz/decompress_frame_fuzzer.c @@ -9,6 +9,7 @@ #include <string.h> #include "fuzz_helpers.h" +#include "fuzz_data_producer.h" #include "lz4.h" #define LZ4F_STATIC_LINKING_ONLY #include "lz4frame.h" @@ -29,17 +30,21 @@ static void decompress(LZ4F_dctx* dctx, void* dst, size_t dstCapacity, int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { - - uint32_t seed = FUZZ_seed(&data, &size); - size_t const dstCapacity = FUZZ_rand32(&seed, 0, 4 * size); + FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(data, size); + size_t const dstCapacity = FUZZ_dataProducer_uint32( + producer, 0, 4 * size); size_t const largeDictSize = 64 * 1024; - size_t const dictSize = FUZZ_rand32(&seed, 0, largeDictSize); + size_t const dictSize = FUZZ_dataProducer_uint32( + producer, 0, largeDictSize); char* const dst = (char*)malloc(dstCapacity); char* const dict = (char*)malloc(dictSize); LZ4F_decompressOptions_t opts; LZ4F_dctx* dctx; LZ4F_createDecompressionContext(&dctx, LZ4F_VERSION); + /* Restrict to remaining data from producer */ + size = producer->size; + FUZZ_ASSERT(dctx); FUZZ_ASSERT(dst); FUZZ_ASSERT(dict); @@ -62,6 +67,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) LZ4F_freeDecompressionContext(dctx); free(dst); free(dict); + FUZZ_dataProducer_free(producer); return 0; } |