You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.1 KiB
40 lines
1.1 KiB
/**
|
|
* This fuzz target performs a lz4 round-trip test (compress & decompress),
|
|
* compares the result with the original, and calls abort() on corruption.
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "fuzz_helpers.h"
|
|
#include "lz4.h"
|
|
#include "lz4frame.h"
|
|
#include "lz4_helpers.h"
|
|
|
|
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
|
|
{
|
|
uint32_t seed = FUZZ_seed(&data, &size);
|
|
LZ4F_preferences_t const prefs = FUZZ_randomPreferences(&seed);
|
|
size_t const dstCapacity = LZ4F_compressFrameBound(size, &prefs);
|
|
char* const dst = (char*)malloc(dstCapacity);
|
|
char* const rt = (char*)malloc(size);
|
|
|
|
FUZZ_ASSERT(dst);
|
|
FUZZ_ASSERT(rt);
|
|
|
|
/* Compression must succeed and round trip correctly. */
|
|
size_t const dstSize =
|
|
LZ4F_compressFrame(dst, dstCapacity, data, size, &prefs);
|
|
FUZZ_ASSERT(!LZ4F_isError(dstSize));
|
|
size_t const rtSize = FUZZ_decompressFrame(rt, size, dst, dstSize);
|
|
FUZZ_ASSERT_MSG(rtSize == size, "Incorrect regenerated size");
|
|
FUZZ_ASSERT_MSG(!memcmp(data, rt, size), "Corruption!");
|
|
|
|
free(dst);
|
|
free(rt);
|
|
|
|
return 0;
|
|
}
|