From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751018Ab2J1KEw (ORCPT ); Sun, 28 Oct 2012 06:04:52 -0400 Received: from mail-ee0-f46.google.com ([74.125.83.46]:64384 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750762Ab2J1KEu (ORCPT ); Sun, 28 Oct 2012 06:04:50 -0400 Message-ID: <508D033E.8030109@suse.cz> Date: Sun, 28 Oct 2012 11:04:46 +0100 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Greg KH CC: Stanislav Kozina , Alan Cox , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: Re: [GIT PATCH] TTY patches for 3.7-rc1 References: <20121001183046.GA13042@kroah.com> <506A0FCA.2020908@suse.cz> <20121001221350.GA10172@kroah.com> In-Reply-To: <20121001221350.GA10172@kroah.com> X-Enigmail-Version: 1.5a1pre Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/02/2012 12:13 AM, Greg KH wrote: > On Mon, Oct 01, 2012 at 11:48:58PM +0200, Jiri Slaby wrote: >> On 10/01/2012 08:30 PM, Greg KH wrote: >>> Stanislav Kozina (2): >>> tty: Fix possible race in n_tty_read() >> >> The (pretty hopeless) commit log says: >> Fix possible panic caused by unlocked access to tty->read_cnt in >> while-loop condition in n_tty_read(). >> >> Just curious, what kind of panic that can cause, can you be more >> concrete on that? I suppose two readers, one eats everything, the other >> is a killer? And should we backport to -stable? > > Stanislav, you are the one who could reproduce this, any answers here? Ping? -- js suse labs