From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264352AbTDXAnr (ORCPT ); Wed, 23 Apr 2003 20:43:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264355AbTDXAnr (ORCPT ); Wed, 23 Apr 2003 20:43:47 -0400 Received: from abraham.CS.Berkeley.EDU ([128.32.37.170]:12807 "EHLO mx2.cypherpunks.ca") by vger.kernel.org with ESMTP id S264352AbTDXAnq (ORCPT ); Wed, 23 Apr 2003 20:43:46 -0400 To: linux-kernel@vger.kernel.org Path: not-for-mail From: daw@mozart.cs.berkeley.edu (David Wagner) Newsgroups: isaac.lists.linux-kernel Subject: Re: kernel ring buffer accessible by users Date: 24 Apr 2003 00:30:17 GMT Organization: University of California, Berkeley Distribution: isaac Message-ID: References: <20030423125602.B1425@almesberger.net> <1051113589.707.948.camel@localhost> <20030423132359.B3557@almesberger.net> NNTP-Posting-Host: mozart.cs.berkeley.edu X-Trace: abraham.cs.berkeley.edu 1051144217 29340 128.32.153.211 (24 Apr 2003 00:30:17 GMT) X-Complaints-To: news@abraham.cs.berkeley.edu NNTP-Posting-Date: 24 Apr 2003 00:30:17 GMT X-Newsreader: trn 4.0-test74 (May 26, 2000) Originator: daw@mozart.cs.berkeley.edu (David Wagner) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Werner Almesberger wrote: >Robert Love wrote: >> Why on earth would the user give the kernel a password? > >That's just an example. It could be any other sensitive information, >including kernel state that you don't want to reveal to users. > >I think it's a reasonable assumption that one can speak freely in a >printk message. Robert Love's position seems reasonable to me. Can you show an example where it is useful and appropriate to print secrets out using printk()? It strikes me as risky and unnecessary, but maybe I'm missing something.