Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932106AbXAVRja (ORCPT ); Mon, 22 Jan 2007 12:39:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932107AbXAVRja (ORCPT ); Mon, 22 Jan 2007 12:39:30 -0500 Received: from 69-100-st.zelcom.ru ([80.92.100.69]:1457 "EHLO etherstorm.feelingofgreen.ru" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S932106AbXAVRj3 (ORCPT ); Mon, 22 Jan 2007 12:39:29 -0500 Date: Mon, 22 Jan 2007 20:39:21 +0300 Message-ID: <871wlnq7ue.wl@betelheise.deep.net> From: Samium Gromoff <_deepfire@feelingofgreen.ru> To: Valdis.Kletnieks@vt.edu Cc: Samium Gromoff <_deepfire@feelingofgreen.ru>, David Wagner , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Undo some of the pseudo-security madness In-Reply-To: <200701221520.l0MFKLdK032645@turing-police.cc.vt.edu> References: <87r6toufpp.wl@betelheise.deep.net> <200701221520.l0MFKLdK032645@turing-police.cc.vt.edu> User-Agent: Wanderlust/2.15.5 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (=?ISO-8859-4?Q?Shij=F2?=) APEL/10.6 Emacs/23.0.51 (i486-pc-linux-gnu) MULE/5.0 (SAKAKI) X-Face: "P-:w!.&Hdk.h~~pT`!Q%H6;/8Cce^m&%vIn"W-SXb4h88dCgwD\_}N5:\}lowY2gxg0u^wVO*L\$C@MvBDRTmh/=,468w{W{OTc$kfq5O9Y!`pd+N}SMHrN+Gs>jXe5}}EL`cRbc0^_0cZ-}M\b~55I;Qe$1uL8M`M`82<_%CQ(GwLk."M>zBLn:-u>n,$kjH`~Uo[pH`08#\G!GVMd`%7![m9]*w5PMts4@m>=;lX41Z90N MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1496 Lines: 38 At Mon, 22 Jan 2007 10:20:21 -0500, Valdis.Kletnieks@vt.edu wrote: > On Mon, 22 Jan 2007 02:23:30 +0300, Samium Gromoff said: > > > > not "core-dumps" but "core files", in the lispspeak, but anyway. > > > > the reason is trivial -- if i can write programs enjoying setuid > > privileges in C, i want to be able to do the same in Lisp. > > Go read up on how the XEmacs crew designed their "portable dumper", > specifically to get around a lot of these sorts of problems because the > old Emacs 'unexec' code was incredibly fragile. I should take the freedom to respond in your manner :-) Are you saying that the usefulness of AS randomisation is overall exceeding that of MAP_FIXED, and the latter should be abolished? Did we silently enter an era where support for buggy software is more important than a basic mmap feature? > > the only way to achieve this i see, is to directly setuid root > > the lisp system executable itself -- because the lisp code > > is read, compiled and executed in the process of the lisp > > system executable. > > If that's the only way you can see to do it, maybe you should think a > bit harder before making kernel hacks to do something. I want equal grounds for platforms, that`s all. regards, Samium Gromoff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/