mark_desktop_file_executable_task_done (GObject      *source_object,
                                        GAsyncResult *res,
                                        gpointer      user_data)
{
    MarkTrustedJob *job = user_data;

    g_object_unref (job->file);

    if (job->done_callback)
    {
        job->done_callback (!job_aborted ((CommonJob *) job),
                            job->done_callback_data);
    }

    finalize_common ((CommonJob *) job);
}
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.