void createPidFile(void) {
    /* If pidfile requested, but no pidfile defined, use
     * default pidfile path */
    if (!server.pidfile) server.pidfile = zstrdup(CONFIG_DEFAULT_PID_FILE);

    /* Try to write the pid file in a best-effort way. */
    FILE *fp = fopen(server.pidfile,"w");
    if (fp) {
        fprintf(fp,"%d\n",(int)getpid());
        fclose(fp);
    }
}

This label identifies security gaps where expected security features are missing or only partially implemented, reducing protection against unauthorized access or manipulation.