Add GetByteSizeOverflow test for ValidateInputs overflow early-return path

_codeql_detected_source_root

@@ -0,0 +1 @@
+.

src/test/input_byte_size_test.cc

@@ -810,6 +810,55 @@ TEST_F(InputByteSizeTest, BatchSizeOverflowInt32)
       TRITONSERVER_InferenceRequestDelete(irequest_),
       "deleting inference request");
 }
+
+TEST_F(InputByteSizeTest, GetByteSizeOverflow)
+{
+  const char* model_name = "onnx_zero_1_float32";
+  // Create an inference request
+  FAIL_TEST_IF_ERR(
+      TRITONSERVER_InferenceRequestNew(
+          &irequest_, server_, model_name, -1 /* model_version */),
+      "creating inference request");
+  FAIL_TEST_IF_ERR(
+      TRITONSERVER_InferenceRequestSetReleaseCallback(
+          irequest_, InferRequestComplete, nullptr /* request_release_userp */),
+      "setting request release callback");
+
+  // Define a shape whose total byte size overflows int64_t:
+  // element_count = INT64_MAX/sizeof(float) + 1 is a valid int64_t value,
+  // but element_count * sizeof(float) exceeds INT64_MAX.
+  int64_t large_dim =
+      static_cast<int64_t>(INT64_MAX / sizeof(float)) + 1;
+  std::vector<int64_t> shape{1, large_dim};
+
+  // Provide a minimal data buffer; the overflow is detected before the
+  // byte size comparison, so no large allocation is needed.
+  std::vector<float> input_data(1, 0.0f);
+  const auto input0_byte_size = sizeof(input_data[0]) * input_data.size();
+
+  // Set input for the request
+  FAIL_TEST_IF_ERR(
+      TRITONSERVER_InferenceRequestAddInput(
+          irequest_, "INPUT0", TRITONSERVER_TYPE_FP32, shape.data(),
+          shape.size()),
+      "setting input for the request");
+  FAIL_TEST_IF_ERR(
+      TRITONSERVER_InferenceRequestAppendInputData(
+          irequest_, "INPUT0", input_data.data(), input0_byte_size,
+          TRITONSERVER_MEMORY_CPU, 0),
+      "assigning INPUT data");
+
+  // Run inference and expect the byte size overflow error
+  FAIL_TEST_IF_SUCCESS(
+      TRITONSERVER_ServerInferAsync(server_, irequest_, nullptr /* trace */),
+      "expect error with byte size overflow",
+      "' causes total byte size to exceed maximum size of ");
+
+  // Need to manually delete request, otherwise server will not shut down.
+  FAIL_TEST_IF_ERR(
+      TRITONSERVER_InferenceRequestDelete(irequest_),
+      "deleting inference request");
+}
 }  // namespace
 
 int