On Fri, Jul 24, 2009 at 11:18:42AM +0300, Kostik Belousov wrote: > On Fri, Jul 24, 2009 at 09:34:51AM +0200, Jeremie Le Hen wrote: > > Hi Ed, > > > > Sorry for the late reply. > > > > On Sat, May 09, 2009 at 02:13:13PM +0200, Ed Schouten wrote: > > > We probably could. I think I discussed this with Robert Watson some time > > > ago and we could use things like ELF hints. But still, that doesn't > > > prevent us from reaching this limitation later on. > > > > Can you elaborate a little? Are you talking about elf-hints.h? > > I don't see where we can get randomness from it. > > The thing is called ELF auxillary information vector. It is used to > supply some useful information for interpreter from the kernel, > see include/machine/elf.h for AT_* entries.
Ah ok, so the idea is to generate a new hint, for instance AT_RANDOM, generated at link time, that will be used to fill the canary at exec(2) time? Regards, -- Jeremie Le Hen < jeremie at le-hen dot org >< ttz at chchile dot org > _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
