-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Julien TINNES wrote: > >> >> Yeah, if it came from PaX the randomization would actually be useful. >> Sorry, I've just woken up and already explained in another post. >> > > Please, no hard feelings. > > Speaking about implementation of the non executable pages semantics on > IA32, PaX and Exec-Shield are very different (well not that much since > 2.6 in fact because PAGEEXEC is now "segmentation when I can"). > But when it comes to ASLR it's pretty much the same thing. > > The only difference may be the (very small) randomization of the brk() > managed heap on ET_EXEC (which is probably the more "hackish" feature of > PaX ASLR) but it seems that Arjan is even going to propose a patch for > that (Is this in ES too ?). > > I think it's a great opportunity here to get the same basis for ASLR in > PaX and ES merged into the vanilla kernel. > If it's only a matter of changing the number of randomized bits in an > additional PaX patch, it's no problem! It's more important to have a > correct basis, focus on that. > I'm not at all familiar with the code, though PaX uses more fine-grained binary markings in PT_PAX_FLAGS (requires a patched binutils, though I guess a PaX system could just nuke PT_GNU_STACK from .load and replace it with PT_PAX_FLAGS). *shrug* . . . ok so I've hacked at PaX' source a few times for fun, but I forgot everything I saw, I swear. :) whatever, at this point I've lost interest, as I'm starting to wonder where my next meal will come from. - -- All content of all messages exchanged herein are left in the Public Domain, unless otherwise explicitly stated. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD4DBQFB+UeohDd4aOud5P8RAra3AJsEs0fJiQvqbp45ySUbUQT/TJkDRACYoYzq nzy0VdUXiT84DEzzkPDVVQ== =exFr -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
