From: Greg KH <gregkh@linuxfoundation.org>
To: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
Stanislav Kozina <skozina@redhat.com>
Subject: Re: [GIT PATCH] TTY patches for 3.7-rc1
Date: Mon, 1 Oct 2012 15:13:50 -0700 [thread overview]
Message-ID: <20121001221350.GA10172@kroah.com> (raw)
In-Reply-To: <506A0FCA.2020908@suse.cz>
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?
thanks,
greg k-h
next prev parent reply other threads:[~2012-10-01 22:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-01 18:30 [GIT PATCH] TTY patches for 3.7-rc1 Greg KH
2012-10-01 21:48 ` Jiri Slaby
2012-10-01 22:13 ` Greg KH [this message]
2012-10-28 10:04 ` Jiri Slaby
2012-10-28 15:22 ` Alan Cox
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