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

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Date:	Sun, 28 Oct 2012 11:04:46 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	Stanislav Kozina <skozina@...hat.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [GIT PATCH] TTY patches for 3.7-rc1

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
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