diff --git a/examples/bluetooth/bluedroid/ble/ble_compatibility_test/main/ble_compatibility_test.c b/examples/bluetooth/bluedroid/ble/ble_compatibility_test/main/ble_compatibility_test.c
index a0102ab1bc..6cbe164980 100644
--- a/examples/bluetooth/bluedroid/ble/ble_compatibility_test/main/ble_compatibility_test.c
+++ b/examples/bluetooth/bluedroid/ble/ble_compatibility_test/main/ble_compatibility_test.c
@@ -246,6 +246,10 @@ static const esp_gatts_attr_db_t gatt_db[HRS_IDX_NB] =
 static void show_bonded_devices(void)
 {
     int dev_num = esp_ble_get_bond_device_num();
+    if (dev_num == 0) {
+        ESP_LOGI(EXAMPLE_TAG, "Bonded devices number zero\n");
+        return;
+    }
 
     esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
     if (!dev_list) {
@@ -268,6 +272,10 @@ static void show_bonded_devices(void)
 static void __attribute__((unused)) remove_all_bonded_devices(void)
 {
     int dev_num = esp_ble_get_bond_device_num();
+    if (dev_num == 0) {
+        ESP_LOGI(EXAMPLE_TAG, "Bonded devices number zero\n");
+        return;
+    }
 
     esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
     if (!dev_list) {
diff --git a/examples/bluetooth/bluedroid/ble/gatt_security_server/main/example_ble_sec_gatts_demo.c b/examples/bluetooth/bluedroid/ble/gatt_security_server/main/example_ble_sec_gatts_demo.c
index f1ff6099cb..eb10addf8a 100644
--- a/examples/bluetooth/bluedroid/ble/gatt_security_server/main/example_ble_sec_gatts_demo.c
+++ b/examples/bluetooth/bluedroid/ble/gatt_security_server/main/example_ble_sec_gatts_demo.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -256,6 +256,10 @@ static char *esp_auth_req_to_str(esp_ble_auth_req_t auth_req)
 static void show_bonded_devices(void)
 {
     int dev_num = esp_ble_get_bond_device_num();
+    if (dev_num == 0) {
+        ESP_LOGI(GATTS_TABLE_TAG, "Bonded devices number zero\n");
+        return;
+    }
 
     esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
     if (!dev_list) {
@@ -276,6 +280,10 @@ static void show_bonded_devices(void)
 static void __attribute__((unused)) remove_all_bonded_devices(void)
 {
     int dev_num = esp_ble_get_bond_device_num();
+    if (dev_num == 0) {
+        ESP_LOGI(GATTS_TABLE_TAG, "Bonded devices number zero\n");
+        return;
+    }
 
     esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
     if (!dev_list) {
diff --git a/examples/bluetooth/bluedroid/ble_50/ble50_security_server/main/ble50_sec_gatts_demo.c b/examples/bluetooth/bluedroid/ble_50/ble50_security_server/main/ble50_sec_gatts_demo.c
index ecba57764b..abd4071d12 100644
--- a/examples/bluetooth/bluedroid/ble_50/ble50_security_server/main/ble50_sec_gatts_demo.c
+++ b/examples/bluetooth/bluedroid/ble_50/ble50_security_server/main/ble50_sec_gatts_demo.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -228,6 +228,10 @@ static char *esp_auth_req_to_str(esp_ble_auth_req_t auth_req)
 static void show_bonded_devices(void)
 {
     int dev_num = esp_ble_get_bond_device_num();
+    if (dev_num == 0) {
+        ESP_LOGI(GATTS_TABLE_TAG, "Bonded devices number zero\n");
+        return;
+    }
 
     esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
     if (!dev_list) {
@@ -246,6 +250,10 @@ static void show_bonded_devices(void)
 static void __attribute__((unused)) remove_all_bonded_devices(void)
 {
     int dev_num = esp_ble_get_bond_device_num();
+    if (dev_num == 0) {
+        ESP_LOGI(GATTS_TABLE_TAG, "Bonded devices number zero\n");
+        return;
+    }
 
     esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
     if (!dev_list) {