diff --git a/C++/buffer_overflow.cpp b/C++/buffer_overflow.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8b3f71f00f1ad9992099ed1f4cda92e8afa2ba91
--- /dev/null
+++ b/C++/buffer_overflow.cpp
@@ -0,0 +1,8 @@
+#include <iostream>
+
+int main() {
+    // this exception may happen when we use the log to print array
+    // In asan, we will get the exception
+    char foo[5] = {'H','E','L','L','O'};
+    printf("%s\n", foo);
+}
\ No newline at end of file