lib/zstd
1
0
Fork 0
mirror of https://github.com/facebook/zstd.git synced 2025-07-30 22:23:13 +03:00
Code Activity

All tests should give some portion of data to the producer and use the rest.

Browse Source
This commit is contained in:
Dario Pavlovic
2019-09-10 16:52:38 -07:00
parent 4dfc1bbf48
commit 23cc2d8510
8 changed files with 50 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
tests/fuzz/simple_compress.c
View File

@ -24,14 +24,17 @@ static ZSTD_CCtx *cctx = NULL;
int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
{
/* Give a random portion of src data to the producer, to use for
parameter generation. The rest will be used for (de)compression */
FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(src, size);
size_t producerSliceSize = FUZZ_dataProducer_uint32Range(producer, 0, size);
size = FUZZ_dataProducer_contract(producer, producerSliceSize);
int const level = (int)FUZZ_dataProducer_uint32Range(
producer, 0, 19 + 3) - 3; /* [-3, 19] */
size_t const maxSize = ZSTD_compressBound(size);
size_t const bufSize = FUZZ_dataProducer_uint32Range(producer, 0, maxSize);
size = FUZZ_dataProducer_remainingBytes(producer);
int const level = (int)FUZZ_dataProducer_uint32Range(
producer, 0, 19 + 3) - 3; /* [-3, 19] */
if (!cctx) {
cctx = ZSTD_createCCtx();