Implement Stack Smashing Protection

kernel/kernel/ssp.c

@@ -0,0 +1,18 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+ 
+#if UINT32_MAX == UINTPTR_MAX
+#define STACK_CHK_GUARD 0xe2dee396
+#else
+#define STACK_CHK_GUARD 0x595e9fbd94fda766
+#endif
+ 
+uintptr_t __stack_chk_guard = STACK_CHK_GUARD;
+ 
+__attribute__((noreturn))
+void __stack_chk_fail(void)
+{
+	printf("Stack smashing detected\n");
+	abort();
+}