facebook
/
zstd
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixing issues with double usage of data.

dev
Dario Pavlovic 2019-09-09 15:39:04 -07:00
parent a71bbba7be
commit 3932fcfebc
1 changed files with 18 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
tests/fuzz/simple_decompress.c
View File

@ -23,23 +23,26 @@ static ZSTD_DCtx *dctx = NULL;
int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
{
FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(src, size);
FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(src, size);
int i;
if (!dctx) {
dctx = ZSTD_createDCtx();
FUZZ_ASSERT(dctx);
}
/* Run it 10 times over 10 output sizes. Reuse the context. */
for (i = 0; i < 10; ++i) {
size_t const bufSize = FUZZ_dataProducer_uint32Range(producer, 0, 2 * size);
void* rBuf = malloc(bufSize);
FUZZ_ASSERT(rBuf);
ZSTD_decompressDCtx(dctx, rBuf, bufSize, src, size);
free(rBuf);
}
int i;
if (!dctx) {
dctx = ZSTD_createDCtx();
FUZZ_ASSERT(dctx);
}
FUZZ_dataProducer_free(producer);
size_t const bufSize = FUZZ_dataProducer_uint32Range(producer, 0, 2 * size);
void* rBuf = malloc(bufSize);
FUZZ_ASSERT(rBuf);
/* Restrict to remaining data. If we run out of data while generating params,
we should still continue and let decompression happen on empty data. */
size = FUZZ_dataProducer_remainingBytes(producer);
ZSTD_decompressDCtx(dctx, rBuf, bufSize, src, size);
free(rBuf);
FUZZ_dataProducer_free(producer);
#ifndef STATEFUL_FUZZING
ZSTD_freeDCtx(dctx); dctx = NULL;