+               /* fall through */
</code></pre>
<h2><a class="header" href="#fortify" id="fortify">Fortify</a></h2>
<p>FORTIFY_SOURCE was originally feature from gcc, but adopted to linux kernel later. This option provides support for detecting buffer overflows within various functions. Unfortunately, this option cannot detect all types of buffer overflows(will be discussed in below), but it is useful since it provides extra level of validation with low performance overhead. 
FORTIFY_SOURCE checks buffer o