On Thu, Jun 30, 2011 at 03:19:10PM +0200, Reindl Harald wrote: > as far as i can see fedora is built with "-fstack-protector" and not > "-fstack-protector-all" - is there a specific reason for not using > the "all" variant Sure, it is expensive to set up the canary even when it is obvious it isn't needed. We by default use 4 byte+ arrays as the trigger to add stack canaries (gcc default is 8 byte+), with -fstack-protector-all you add it even for functions that don't have any stack variables at all, or that have only scalar vars etc. Jakub -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
