From the responses to this stackoverflow question: <a href="http:&#x2F;&#x2F;stackoverflow.com&#x2F;questions&#x2F;1629685&#x2F;when-and-how-to-use-gccs-stack-protection-feature" rel="nofollow">http:&#x2F;&#x2F;stackoverflow.com&#x2F;questions&#x2F;1629685&#x2F;when-and-how-to-u...</a><p>The protection only protects under some circumstances not all. So this demo still seems valid. Also the protection comes at a cost of extra code (and extra execution time).<p>This means to me that any IoT device probably does not have stack protection.