static jboolean startDiscoveryNative(JNIEnv* env, jobject obj) {
    ALOGV("%s:",__FUNCTION__);

    jboolean result = JNI_FALSE;
 if (!sBluetoothInterface) return result;

 int ret = sBluetoothInterface->start_discovery();
    result = (ret == BT_STATUS_SUCCESS) ? JNI_TRUE : JNI_FALSE;
 return result;
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.