From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Torvalds Subject: Re: [PATCH] pipefs unique inode numbers Date: Tue, 30 Jan 2007 14:55:56 -0800 (PST) Message-ID: References: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: akpm@osdl.org, Jeff Layton , dev@sw.ru, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, torvalds@osdl.org To: Bodo Eggert <7eggert@gmx.de> Return-path: Received: from smtp.osdl.org ([65.172.181.24]:55555 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751960AbXA3W4p (ORCPT ); Tue, 30 Jan 2007 17:56:45 -0500 In-Reply-To: Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Tue, 30 Jan 2007, Bodo Eggert wrote: > > change pipefs to use a unique inode number equal to the memory > address unless it would be truncated. I *really* wouldn't want to expose kernel addresses to user space, it just ends up being a piece of data that they shouldn't have. If we have some security issue, this is just too much kernel information that a bad user could get at. Linus