errmsg refine of trt plugin (#27309)

paddle/fluid/inference/tensorrt/plugin/trt_plugin_factory.cc

@@ -25,8 +25,10 @@ PluginTensorRT* PluginFactoryTensorRT::createPlugin(const char* layer_name,
   const char* plugin_type;
   DeserializeValue(&serial_data, &serial_length, &plugin_type);
 
-  PADDLE_ENFORCE(Has(plugin_type),
-                 "trt plugin type %s does not exists, check it.", plugin_type);
+  PADDLE_ENFORCE_EQ(
+      Has(plugin_type), true,
+      platform::errors::NotFound(
+          "trt plugin type %s does not exists, check it.", plugin_type));
   auto plugin = plugin_registry_[plugin_type](serial_data, serial_length);
   owned_plugins_.emplace_back(plugin);
 

paddle/fluid/inference/tensorrt/plugin/trt_plugin_utils.h

@@ -103,7 +103,12 @@ struct Serializer<std::vector<T>,
     DeserializeValue(buffer, buffer_size, &size);
     value->resize(size);
     size_t nbyte = value->size() * sizeof(T);
-    PADDLE_ENFORCE_GE(*buffer_size, nbyte);
+    PADDLE_ENFORCE_GE(
+        *buffer_size, nbyte,
+        platform::errors::InvalidArgument("Expect buffer size >= value size in "
+                                          "trt plugin deserialization, but got "
+                                          "buffer size = %d, value size = %d.",
+                                          *buffer_size, nbyte));
     std::memcpy(value->data(), *buffer, nbyte);
     reinterpret_cast<char const*&>(*buffer) += nbyte;
     *buffer_size -= nbyte;