Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751226AbWETGoD (ORCPT ); Sat, 20 May 2006 02:44:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751271AbWETGoD (ORCPT ); Sat, 20 May 2006 02:44:03 -0400 Received: from nf-out-0910.google.com ([64.233.182.184]:15621 "EHLO nf-out-0910.google.com") by vger.kernel.org with ESMTP id S1751226AbWETGoC convert rfc822-to-8bit (ORCPT ); Sat, 20 May 2006 02:44:02 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=S2D5T2Vq8PJyH5lWVoty3zuguhZPv+KeDggE801GvJpVMqSNrijtIpI/cFlKg1dE6oczQVjWtJBOkfz8zZO+xq+a8flFilNRnKBejfr2SFLLEszOIE5FLoo3Vm3CICtbcBfXBbdCkTBNm3GsUTF1cHcZsEpCAyPa8MQTnFd4Ijc= Message-ID: Date: Fri, 19 May 2006 23:44:01 -0700 From: "Ulrich Drepper" To: "Andi Kleen" Subject: Re: [PATCH] 2-ptrace_multi Cc: "Daniel Jacobowitz" , "Renzo Davoli" , osd@cs.unibo.it, linux-kernel@vger.kernel.org, alan@lxorguk.ukuu.org.uk, viro@ftp.linux.org.uk In-Reply-To: <200605192217.30518.ak@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <20060518155337.GA17498@cs.unibo.it> <20060519174534.GA22346@cs.unibo.it> <20060519201509.GA13477@nevyn.them.org> <200605192217.30518.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 607 Lines: 12 On 5/19/06, Andi Kleen wrote: > Alan hacked on this iirc so he might comment. Al Viro has a similar patch in the FC kernels to govern read access to /proc/*/maps based on the ptrace permissions. This is probably the same problem. If you can use ptrace on the target process there is no security reason why /proc/*/mem access shouldn't be granted. - 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/