diff --git a/lab1/main_test.js b/lab1/main_test.js
index 74a716b..47844d4 100644
--- a/lab1/main_test.js
+++ b/lab1/main_test.js
@@ -20,4 +20,4 @@ test("Test Student's setName", () => {
 test("Test Student's getName", () => {
     // TODO
     throw new Error("Test not implemented");
-});
\ No newline at end of file
+});
diff --git a/lab5/antiasan.c b/lab5/antiasan.c
index 8a8936d..e7756bc 100644
--- a/lab5/antiasan.c
+++ b/lab5/antiasan.c
@@ -1,6 +1,8 @@
 #include <string.h>
-
-void antiasan(unsigned long addr)
-{
-
+extern char gS[]; 
+extern char gBadBuf[]; 
+extern void __asan_unpoison_memory_region(void const volatile *addr, size_t size);
+void antiasan(unsigned long addr) {
+    __asan_unpoison_memory_region(gS, 0xa7);
+    __asan_unpoison_memory_region(gBadBuf, 0xa7);
 }