  ChromeServiceWorkerTest() {
    EXPECT_TRUE(service_worker_dir_.CreateUniqueTempDir());
    EXPECT_TRUE(base::CreateDirectoryAndGetError(
        service_worker_dir_.GetPath().Append(
            FILE_PATH_LITERAL("scope")), nullptr));
  }

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.