diff --git a/executer/kernel/mcctrl/control.c b/executer/kernel/mcctrl/control.c
index b22c2da3..22cc5d27 100644
--- a/executer/kernel/mcctrl/control.c
+++ b/executer/kernel/mcctrl/control.c
@@ -2290,20 +2290,30 @@ long mcctrl_perf_set(ihk_os_t os, struct ihk_perf_event_attr *__user arg)
 
 long mcctrl_perf_get(ihk_os_t os, unsigned long *__user arg)
 {
-	struct mcctrl_usrdata *usrdata = ihk_host_os_get_usrdata(os);
+	struct mcctrl_usrdata *usrdata = NULL;
 	struct ikc_scd_packet isp;
 	struct perf_ctrl_desc *perf_desc;
-	struct ihk_cpu_info *info = ihk_os_get_cpu_info(os);
+	struct ihk_cpu_info *info = NULL;
 	unsigned long value_sum = 0;
 	int ret = 0;
 	int i = 0, j = 0;
 	int need_free;
 
+	if (!os || ihk_host_validate_os(os)) {
+		return -EINVAL;
+	}
+
+	usrdata = ihk_host_os_get_usrdata(os);
 	if (!usrdata) {
 		pr_err("%s: error: mcctrl_usrdata not found\n", __func__);
 		return -EINVAL;
 	}
 
+	info = ihk_os_get_cpu_info(os);
+	if (!info || info->n_cpus < 1) {
+		return -EINVAL;
+	}
+
 	for (i = 0; i < usrdata->perf_event_num; i++) {
 		perf_desc = kmalloc(sizeof(struct mcctrl_perf_ctrl_desc),
 				    GFP_KERNEL);