fuzz: improvements (#2400)

Create the zip file with all the traces only once.

Add a new fuzzer to test "shoco" compression algorithm

1 files changed, 2 insertions, 5 deletions

diff --git a/fuzz/fuzz_ds_hash.cpp b/fuzz/fuzz_ds_hash.cpp
index 9bb065365..07aa732a6 100644
--- a/fuzz/fuzz_ds_hash.cpp
+++ b/fuzz/fuzz_ds_hash.cpp
@@ -8,7 +8,7 @@
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   FuzzedDataProvider fuzzed_data(data, size);
-  u_int16_t i, rc, num_iteration, data_len, is_added = 0;
+  u_int16_t value16, i, rc, num_iteration, data_len, is_added = 0;
   std::vector<char>value_added;
   ndpi_str_hash *h = NULL;
 
@@ -30,7 +30,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     data_len = fuzzed_data.ConsumeIntegralInRange(0, 127);
     std::vector<char>data = fuzzed_data.ConsumeBytes<char>(data_len);
 
-    rc = ndpi_hash_add_entry(&h, data.data(), data.size(), (u_int16_t)i);
+    rc = ndpi_hash_add_entry(&h, data.data(), data.size(), i);
     /* Keep one random entry really added */
     if (rc == 0 && fuzzed_data.ConsumeBool()) {
       value_added = data;
@@ -41,8 +41,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   /* "Random" search */
   num_iteration = fuzzed_data.ConsumeIntegral<u_int8_t>();
   for (i = 0; i < num_iteration; i++) {
-    u_int16_t value16;
-    
     data_len = fuzzed_data.ConsumeIntegralInRange(0, 127);
     std::vector<char>data = fuzzed_data.ConsumeBytes<char>(data_len);
 
@@ -50,7 +48,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   }
   /* Search of an added entry */
   if (is_added) {
-    u_int16_t value16;
     ndpi_hash_find_entry(h, value_added.data(), value_added.size(), &value16);
   }