static void become_daemon(const char *pidfile)
{
#ifndef _WIN32
    pid_t pid, sid;

    pid = fork();
    if (pid < 0) {
        exit(EXIT_FAILURE);
    }
    if (pid > 0) {
        exit(EXIT_SUCCESS);
    }

    if (pidfile) {
        if (!ga_open_pidfile(pidfile)) {
            g_critical("failed to create pidfile");
            exit(EXIT_FAILURE);
         }
     }
 
    umask(S_IRWXG | S_IRWXO);
     sid = setsid();
     if (sid < 0) {
         goto fail;
    }
    if ((chdir("/")) < 0) {
        goto fail;
    }

    reopen_fd_to_null(STDIN_FILENO);
    reopen_fd_to_null(STDOUT_FILENO);
    reopen_fd_to_null(STDERR_FILENO);
    return;

fail:
    if (pidfile) {
        unlink(pidfile);
    }
    g_critical("failed to daemonize");
    exit(EXIT_FAILURE);
#endif
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.