[*] Bugfix

modules/global-db/dap_chain_global_db.c

@@ -859,6 +859,8 @@ char* dap_chain_global_db_hash(const uint8_t *data, size_t data_size)
 void* dap_db_log_unpack(const void *a_data, size_t a_data_size, size_t *a_store_obj_count)
 {
     const dap_store_obj_pkt_t *l_pkt = (const dap_store_obj_pkt_t*) a_data;
+    if (! l_pkt)
+        return NULL;
     if(!l_pkt || l_pkt->data_size != ((size_t) a_data_size - sizeof(dap_store_obj_pkt_t)))
         return NULL;
     size_t l_store_obj_count = 0;