diff --git a/SPEdriver/arm_spe_pmu/Makefile b/SPEdriver/arm_spe_pmu/Makefile
index dcb9efc0c2f964919fe0d03b51d282fe1530b107..f0fab8cc3029ea57193be9419917fdc62db57fa8 100644
--- a/SPEdriver/arm_spe_pmu/Makefile
+++ b/SPEdriver/arm_spe_pmu/Makefile
@@ -1,4 +1,5 @@
 KDIR := /lib/modules/$(shell uname -r)/build/
+EXTRA_CFLAGS := -fstack-protector-all
 #KDIR :=/home/liu/linux-4.14.0-115.el7a
 PWD := $(shell pwd)
 obj-m += arm_spe_pmu.o
diff --git a/SPEdriver/spe_device/Makefile b/SPEdriver/spe_device/Makefile
index 3818aa45b89aac18ce3356dfb6d02412b4d125fe..bb58c0ee06696b9cfc9cfac4f4017c5f3b1c54e1 100644
--- a/SPEdriver/spe_device/Makefile
+++ b/SPEdriver/spe_device/Makefile
@@ -1,6 +1,6 @@
 
 KERNELDIR ?= /lib/modules/`uname -r`/build
-
+EXTRA_CFLAGS := -fstack-protector-all
 #EXTRA_CFLAGS += -O1
 
 ifeq ($(KERNELRELEASE),)