From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 25 Jan 2001 07:23:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 25 Jan 2001 07:23:39 -0500 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:23822 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id ; Thu, 25 Jan 2001 07:23:30 -0500 From: Russell King Message-Id: <200101251149.f0PBnB206123@flint.arm.linux.org.uk> Subject: Re: kernel BUG at slab.c:1542!(2.4.1-pre9) To: tim@parrswood.manchester.sch.uk (Tim Fletcher) Date: Thu, 25 Jan 2001 11:49:10 +0000 (GMT) Cc: phillips@innominate.de (Daniel Phillips), Shawn.Starr@Home.net (Shawn Starr), linux-kernel@vger.kernel.org In-Reply-To: from "Tim Fletcher" at Jan 24, 2001 06:05:02 PM X-Location: london.england.earth.mulky-way.universe X-Mailer: ELM [version 2.5 PL3] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Tim Fletcher writes: > What ever a none privilaged user space apps does witness: > > root@localhost# dd if=/dev/random of=/dev/mem If you can do that as a non-priviledged user, then you've got bigger security problems than that. /dev/mem should NOT be read/writable by anyone other than root. Its permissions should be no more than 600. -- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/