static int do_spice_init(SpiceCoreInterface *core_interface)
{
    spice_info("starting %s", version_string);

    if (core_interface->base.major_version != SPICE_INTERFACE_CORE_MAJOR) {
        spice_warning("bad core interface version");
        goto err;
    }
    core = core_interface;
    reds->listen_socket = -1;
    reds->secure_listen_socket = -1;
    init_vd_agent_resources();
    ring_init(&reds->clients);
    reds->num_clients = 0;
    main_dispatcher_init(core);
    ring_init(&reds->channels);
    ring_init(&reds->mig_target_clients);
    ring_init(&reds->char_devs_states);
    ring_init(&reds->mig_wait_disconnect_clients);
    reds->vm_running = TRUE; /* for backward compatibility */

    if (!(reds->mig_timer = core->timer_add(migrate_timeout, NULL))) {
        spice_error("migration timer create failed");
    }

#ifdef RED_STATISTICS
    int shm_name_len;
    int fd;

    shm_name_len = strlen(SPICE_STAT_SHM_NAME) + 20;
    reds->stat_shm_name = (char *)spice_malloc(shm_name_len);
    snprintf(reds->stat_shm_name, shm_name_len, SPICE_STAT_SHM_NAME, getpid());
    if ((fd = shm_open(reds->stat_shm_name, O_CREAT | O_RDWR, 0444)) == -1) {
        spice_error("statistics shm_open failed, %s", strerror(errno));
    }
    if (ftruncate(fd, REDS_STAT_SHM_SIZE) == -1) {
        spice_error("statistics ftruncate failed, %s", strerror(errno));
    }
    reds->stat = (SpiceStat *)mmap(NULL, REDS_STAT_SHM_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
    if (reds->stat == (SpiceStat *)MAP_FAILED) {
        spice_error("statistics mmap failed, %s", strerror(errno));
    }
    memset(reds->stat, 0, REDS_STAT_SHM_SIZE);
    reds->stat->magic = SPICE_STAT_MAGIC;
    reds->stat->version = SPICE_STAT_VERSION;
    reds->stat->root_index = INVALID_STAT_REF;
    if (pthread_mutex_init(&reds->stat_lock, NULL)) {
        spice_error("mutex init failed");
    }
#endif

    if (!(reds->mm_timer = core->timer_add(mm_timer_proc, NULL))) {
        spice_error("mm timer create failed");
    }
    reds_enable_mm_timer();

    if (reds_init_net() < 0) {
        goto err;
    }
    if (reds->secure_listen_socket != -1) {
        if (reds_init_ssl() < 0) {
            goto err;
        }
    }
#if HAVE_SASL
    int saslerr;
    if ((saslerr = sasl_server_init(NULL, sasl_appname ?
                                    sasl_appname : "spice")) != SASL_OK) {
        spice_error("Failed to initialize SASL auth %s",
                  sasl_errstring(saslerr, NULL, NULL));
        goto err;
    }
#endif

    reds->main_channel = main_channel_init();
    inputs_init();

    reds->mouse_mode = SPICE_MOUSE_MODE_SERVER;

    reds_client_monitors_config_cleanup();

    reds->allow_multiple_clients = getenv(SPICE_DEBUG_ALLOW_MC_ENV) != NULL;
    if (reds->allow_multiple_clients) {
        spice_warning("spice: allowing multiple client connections (crashy)");
    }
    atexit(reds_exit);
    return 0;

err:
    return -1;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.