bug fix

Change-Id: I698620a25552dc41704d39d81e896fc8f5b9f307

Author: wangbowen04

cyber/message/message_traits.h

@@ -219,6 +219,9 @@ SerializeToHC(const T& message, void* data, int size) {
   MessageHeader header;
   header.set_msg_type(type_name.data(), type_name.size());
   header.set_content_size(msg_size);
+  if (sizeof(header) > static_cast<size_t>(size)) {
+    return false;
+  }
   char* ptr = reinterpret_cast<char*>(data);
   memcpy(ptr, static_cast<const void*>(&header), sizeof(header));
   ptr += sizeof(header);