Retreiving 32 bits from the end for fuzzer

1 files changed, 3 insertions, 5 deletions

diff --git a/ossfuzz/compress_frame_fuzzer.c b/ossfuzz/compress_frame_fuzzer.c
index 30f0448..668d7c3 100644
--- a/ossfuzz/compress_frame_fuzzer.c
+++ b/ossfuzz/compress_frame_fuzzer.c
@@ -19,13 +19,11 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 {
     FUZZ_dataProducer_t *producer = FUZZ_dataProducer_create(data, LZ4_compressBound(size));
     LZ4F_preferences_t const prefs = FUZZ_dataProducer_preferences(producer);
-
+    size_t const dstCapacitySeed = FUZZ_dataProducer_retrieve32(producer);
     size = FUZZ_dataProducer_remainingBytes(producer);
-    size_t const compressBound = LZ4F_compressFrameBound(size, &prefs);
-    size_t const dstCapacitySeed = FUZZ_dataProducer_uint32(producer, 0, compressBound);
 
-    size = FUZZ_dataProducer_remainingBytes(producer);
-    size_t const dstCapacity = FUZZ_getRange_from_uint32(dstCapacitySeed, 0, size);
+    size_t const compressBound = LZ4F_compressFrameBound(size, &prefs);
+    size_t const dstCapacity = FUZZ_getRange_from_uint32(dstCapacitySeed, 0, compressBound);
 
     char* const dst = (char*)malloc(dstCapacity);
     char* const rt = (char*)malloc(size);