From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756619Ab2ARCAn (ORCPT ); Tue, 17 Jan 2012 21:00:43 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.124]:48633 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756590Ab2ARCAR (ORCPT ); Tue, 17 Jan 2012 21:00:17 -0500 X-Authority-Analysis: v=2.0 cv=I83ntacg c=1 sm=0 a=ZycB6UtQUfgMyuk2+PxD7w==:17 a=REPr6zlMcwYA:10 a=5SG0PmZfjMsA:10 a=Q9fys5e9bTEA:10 a=FTDrj3M5Px7xRtrynX0A:9 a=PUjeQqilurYA:10 a=ZycB6UtQUfgMyuk2+PxD7w==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.80.29 Message-ID: <1326852011.17534.68.camel@gandalf.stny.rr.com> Subject: Re: Compat 32-bit syscall entry from 64-bit task!? [was: Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF] From: Steven Rostedt To: Andi Kleen Cc: Indan Zupancic , Andrew Lutomirski , Oleg Nesterov , Will Drewry , linux-kernel@vger.kernel.org, keescook@chromium.org, john.johansen@canonical.com, serge.hallyn@canonical.com, coreyb@linux.vnet.ibm.com, pmoore@redhat.com, eparis@redhat.com, djm@mindrot.org, torvalds@linux-foundation.org, segoon@openwall.com, jmorris@namei.org, scarybeasts@gmail.com, avi@redhat.com, penberg@cs.helsinki.fi, viro@zeniv.linux.org.uk, mingo@elte.hu, akpm@linux-foundation.org, khilman@ti.com, borislav.petkov@amd.com, amwang@redhat.com, ak@linux.intel.com, eric.dumazet@gmail.com, gregkh@suse.de, dhowells@redhat.com, daniel.lezcano@free.fr, linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, olofj@chromium.org, mhalcrow@google.com, dlaor@redhat.com, Roland McGrath Date: Tue, 17 Jan 2012 21:00:11 -0500 In-Reply-To: <20120118015013.GR11715@one.firstfloor.org> References: <20120116183730.GB21112@redhat.com> <20120117164523.GA17070@redhat.com> <20120117170512.GB17070@redhat.com> <49017bd7edab7010cd9ac767e39d99e4.squirrel@webmail.greenhost.nl> <20120118015013.GR11715@one.firstfloor.org> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.2.2-1 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2012-01-18 at 02:50 +0100, Andi Kleen wrote: > Every user program change it behind your back. > > Your ptrace jailer isn't. I'm sorry but I can't read the above two lines without hearing Yoda's voice. "Hmm hmm" -- Steve