If you update your sources and compile using gcc3, it now includes stack smashing protection, committed by Joerg Sonnenberger. Compiling using gcc2 already includes that protection.
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Is this protection enabled by default yet? The last time I checked, propolice wasn’t enabled by default in cc2. I know that it does add measurable (if not noticible) overhead, but I would think that for the advantages it provides, coupled with all the other performance enhancing tricks in DragonFly that perhaps it really should be.
What good is a high performance OS if you’re only going to be wasting CPU cycles doing other people’s dirty work (once you’ve been rooted that is)?