Merge pull request #954 from lz4/dev

v1.9.3

1 files changed, 9 insertions, 2 deletions

diff --git a/ossfuzz/compress_fuzzer.c b/ossfuzz/compress_fuzzer.c
index 7021624..edc8aad 100644
--- a/ossfuzz/compress_fuzzer.c
+++ b/ossfuzz/compress_fuzzer.c
@@ -10,12 +10,18 @@
 #include <string.h>
 
 #include "fuzz_helpers.h"
+#include "fuzz_data_producer.h"
 #include "lz4.h"
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 {
-    uint32_t seed = FUZZ_seed(&data, &size);
-    size_t const dstCapacity = FUZZ_rand32(&seed, 0, LZ4_compressBound(size));
+    FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(data, size);
+    size_t const dstCapacitySeed = FUZZ_dataProducer_retrieve32(producer);
+    size = FUZZ_dataProducer_remainingBytes(producer);
+
+    size_t const compressBound = LZ4_compressBound(size);
+    size_t const dstCapacity = FUZZ_getRange_from_uint32(dstCapacitySeed, 0, compressBound);
+
     char* const dst = (char*)malloc(dstCapacity);
     char* const rt = (char*)malloc(size);
 
@@ -46,6 +52,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 
     free(dst);
     free(rt);
+    FUZZ_dataProducer_free(producer);
 
     return 0;
 }