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Re: Stack protection via GCC's `-fstack-protector'


From: Samuel Thibault
Subject: Re: Stack protection via GCC's `-fstack-protector'
Date: Wed, 8 Nov 2006 23:46:30 +0100
User-agent: Mutt/1.5.12-2006-07-14

Hi,

Stefan Reinauer, le Wed 08 Nov 2006 23:36:44 +0100, a écrit :
> * Samuel Thibault <address@hidden> [061108 23:14]:
> > Thomas Schwinge, le Wed 08 Nov 2006 22:40:54 +0100, a écrit :
> > >         then cat gnumach-undef-bad; exit 2; else true; fi
> > > stack_chk_fail
> > > 
> > > Is it feasible to have the `-fstack-protector' functionality in GNU Mach
> > > and GRUB2 (and how to do that, then) or shall we unconditionally pass
> > > `-fno-stack-protector' if available?
> > 
> > I'd say it shouldn't be very hard to provide a stack_chk_fail function,
> > even if all it does is just panic().
>  
> wont this add unnecessary bloat to the binary?

Just like to any binary of a distribution that would enable
-fstack-protector by default. That's not our concern, that's the
distribution's.

Samuel




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