From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752841Ab2J1PRO (ORCPT ); Sun, 28 Oct 2012 11:17:14 -0400 Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:56845 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751695Ab2J1PRN (ORCPT ); Sun, 28 Oct 2012 11:17:13 -0400 Date: Sun, 28 Oct 2012 15:22:16 +0000 From: Alan Cox To: Jiri Slaby Cc: Greg KH , Stanislav Kozina , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: Re: [GIT PATCH] TTY patches for 3.7-rc1 Message-ID: <20121028152216.2339f828@pyramind.ukuu.org.uk> In-Reply-To: <508D033E.8030109@suse.cz> References: <20121001183046.GA13042@kroah.com> <506A0FCA.2020908@suse.cz> <20121001221350.GA10172@kroah.com> <508D033E.8030109@suse.cz> X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.8; x86_64-redhat-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 28 Oct 2012 11:04:46 +0100 Jiri Slaby wrote: > 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? Thread here http://permalink.gmane.org/gmane.linux.serial/8365