linux-kernel - Re: [GIT PATCH] TTY patches for 3.7-rc1

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Message-ID: <20121028152216.2339f828@pyramind.ukuu.org.uk>
Date:	Sun, 28 Oct 2012 15:22:16 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Stanislav Kozina <skozina@...hat.com>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [GIT PATCH] TTY patches for 3.7-rc1

On Sun, 28 Oct 2012 11:04:46 +0100
Jiri Slaby <jslaby@...e.cz> 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
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