No more stack smashing in GCC

[GnuVince]

http://www.trl.ibm.com/projects/security/ssp/

[Strike]

Things like this have been around for a long time, actually - http://www.immunix.org/stackguard.html

In fact that's what this one is based on. The mechanism is pretty rudimentary and doesn't really fix the fundamental problem (though the fundamental problem is quite deeply ingrained in the language and compiler itself).