title: Compile error for cve-2017-1000253 proof of concept
body: <p>I am trying to compile an exploit to pentest on a CentOS 7 virtual machine. Here is the code I am trying to compile: <a href="https://www.qualys.com/2017/09/26/linux-pie-cve-2017-1000253/cve-2017-1000253.c" rel="nofollow noreferrer"><code>cve-2017-1000253.c</code></a>. I get this error when I try to compile it.</p>
  
  <p><img src="https://i.stack.imgur.com/9Ablv.jpg" alt="error"></p>
  
  <p>I know that there is no rootshell.h to create it but the website did not provide it.Is the rootshell.h in the code that i need to create a new file with that code inside?
  Thanks in advance</p>