From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Howells Date: Tue, 25 May 2010 09:14:12 +0000 Subject: Re: [PATCH -mm 1/1] ptrace: PTRACE_GETFDPIC: fix the unsafe usage of child->mm Message-Id: <17134.1274778852@redhat.com> List-Id: References: <20100524234250.F158849A56@magilla.sf.frob.com> <20100522165401.GB19573@redhat.com> <1266280229-18469-1-git-send-email-vapier@gentoo.org> <1274431345-22366-1-git-send-email-vapier@gentoo.org> <20100521162659.GA16193@redhat.com> <20100521183512.4477F40476@magilla.sf.frob.com> <20100522165320.GA19573@redhat.com> <25539.1274711817@redhat.com> <20100524151445.GA6393@redhat.com> In-Reply-To: <20100524234250.F158849A56@magilla.sf.frob.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Roland McGrath Cc: dhowells@redhat.com, Oleg Nesterov , Andrew Morton , Mike Frysinger , linux-sh@vger.kernel.org, Paul Mundt , uclinux-dist-devel@blackfin.uclinux.org, linux-kernel@vger.kernel.org Roland McGrath wrote: > The mm pointer is only used by these uncommon ptrace operations Like PEEKTEXT and POKETEXT? David From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756609Ab0EYJOo (ORCPT ); Tue, 25 May 2010 05:14:44 -0400 Received: from mx1.redhat.com ([209.132.183.28]:22173 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756410Ab0EYJOm (ORCPT ); Tue, 25 May 2010 05:14:42 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20100524234250.F158849A56@magilla.sf.frob.com> References: <20100524234250.F158849A56@magilla.sf.frob.com> <20100522165401.GB19573@redhat.com> <1266280229-18469-1-git-send-email-vapier@gentoo.org> <1274431345-22366-1-git-send-email-vapier@gentoo.org> <20100521162659.GA16193@redhat.com> <20100521183512.4477F40476@magilla.sf.frob.com> <20100522165320.GA19573@redhat.com> <25539.1274711817@redhat.com> <20100524151445.GA6393@redhat.com> To: Roland McGrath Cc: dhowells@redhat.com, Oleg Nesterov , Andrew Morton , Mike Frysinger , linux-sh@vger.kernel.org, Paul Mundt , uclinux-dist-devel@blackfin.uclinux.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -mm 1/1] ptrace: PTRACE_GETFDPIC: fix the unsafe usage of child->mm Date: Tue, 25 May 2010 10:14:12 +0100 Message-ID: <17134.1274778852@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Roland McGrath wrote: > The mm pointer is only used by these uncommon ptrace operations Like PEEKTEXT and POKETEXT? David