On Thu, Aug 23, 2012 at 9:13 AM, Jeffrey Walton <noloader@xxxxxxxxx> wrote: > On Wed, Aug 22, 2012 at 9:41 PM, Mike Frysinger <vapier@xxxxxxxxxx> wrote: >> On Wednesday 22 August 2012 18:28:52 Russ Allbery wrote: >>> special exceptions. Being able to turn off executable stack as at least >>> another easily-accessible option is an interesting idea, and I may raise >>> that on debian-devel. (Although it can be a little hard to predict which >>> packages need that. >> >> it's trivial to locate: >> readelf -lW /bin/bash | grep GNU_STACK >> if it's set as RWE, that's bad. if the ELF lacks a GNU_STACK, that's bad. > I believe there is more to it. The PT_GNU_STACK marking must be > present *and* have a size of 0. See Ian Lance Taylor's blog Bad reference (my apologies). Try Ian's blog on Executable Stacks instead http://www.airs.com/blog/archives/518. Jeff _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf
