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-rw-r--r--xxx/smashing.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/xxx/smashing.c b/xxx/smashing.c
new file mode 100644
index 0000000..d4365b9
--- /dev/null
+++ b/xxx/smashing.c
@@ -0,0 +1,22 @@
+#include "kernel/kernel.h"
+#include "log.h"
+#include <stdint.h>
+
+// CODE FOR Stack Smashing Protector.
+// Do not duplicate with userspace / sys.c
+// http://wiki.osdev.org/Stack_Smashing_Protector
+
+#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)
+{
+ kpanic("Stack smashing detected");
+}
+//