<p>In <a href="https://github.com/kamailio/kamailio/pull/390#discussion_r44549819">modules/rtpengine/rtpengine.c</a>:</p>
<pre style='color:#555'>>  
>    /* XXX Use quick-and-dirty hashing algo */
> -  for(sum = 0; callid.len > 0; callid.len--)
> -          sum += callid.s[callid.len - 1];
> +  for(i = 0; i < callid.len; i++)
> +          sum += callid.s[i];
</pre>
<p>"sum" is used uninitialized here</p>

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