diff --git a/lab5/antiasan.c b/lab5/antiasan.c
index 8a8936d..a02d981 100644
--- a/lab5/antiasan.c
+++ b/lab5/antiasan.c
@@ -1,6 +1,11 @@
 #include <string.h>
+#include <sanitizer/asan_interface.h>
+#include "antiasan.h"
+
+//extern char gS[0x18];
+//extern char gBadBuf[0x87];
 
 void antiasan(unsigned long addr)
 {
-
+    __asan_unpoison_memory_region((void *)addr, 0x87);
 }