Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 14 Aug 2002 00:07:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 14 Aug 2002 00:07:03 -0400 Received: from leibniz.math.psu.edu ([146.186.130.2]:58045 "EHLO math.psu.edu") by vger.kernel.org with ESMTP id ; Wed, 14 Aug 2002 00:07:01 -0400 Date: Wed, 14 Aug 2002 00:10:53 -0400 (EDT) From: Alexander Viro To: Benjamin LaHaise cc: Andrew Morton , Linus Torvalds , "H. Peter Anvin" , lkml Subject: Re: [patch] printk from userspace In-Reply-To: <20020813235803.A15947@redhat.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 648 Lines: 19 On Tue, 13 Aug 2002, Benjamin LaHaise wrote: > On Tue, Aug 13, 2002 at 08:18:18PM -0700, Andrew Morton wrote: > > > > The patch allows userspace to issue printk's, via sys_syslog(): > > This is an incredibly bad idea. It has security hole written all over it. > Any user can now spam the kernel's log ringbuffer and overrun potentially > important messages. He does capability checks there... - 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/