linux-kernel - Re: [PATCH 0/3] input: evdev: Dynamic buffers (rev4)

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Date:	Wed, 16 Jun 2010 13:31:56 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Henrik Rydberg <rydberg@...math.org>
Cc:	Jiri Kosina <jkosina@...e.cz>,
	Henrik Rydberg <rydberg@...omail.se>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Mika Kuoppala <mika.kuoppala@...ia.com>,
	Benjamin Tissoires <tissoire@...a.fr>,
	Rafi Rubin <rafi@...s.upenn.edu>
Subject: Re: [PATCH 0/3] input: evdev: Dynamic buffers (rev4)

On Wed, Jun 16, 2010 at 06:17:10PM +0200, Henrik Rydberg wrote:
> Jiri Kosina wrote:
> > On Thu, 10 Jun 2010, Dmitry Torokhov wrote:
> > 
> >>> This version implements buffer locking using event_lock as you
> >>> suggested, such that we can proceed with fixing the evdev buffer
> >>> problem independently from providing a suitable one-to-many buffer.
> >>>
> >>> The first patch converts the per-client buffers to a common buffer,
> >>> and adds a fixme since the code is expected to be further
> >>> improved. The second and third patch includes your review comments.
> >> Henrik,
> >>
> >> Applied to .36 queue with minor adjustments, please take a peek in my
> >> 'for-linus' branch and see if you spot anything wrong. 
> > 
> > Hi Dmitry,
> > 
> > I guess you forgot to push it to kernel.org? Last change I see in your 
> > tree is 6 days old.
> > 
> > Thanks,
> > 
> 
> ... which seems like a lucky strike; the patch has a blatant security hole,
> leaking grabbed events to listening clients after ungrab. I sent an updated
> patch to Dmitry earlier today, in a brown paper bag. Not knowing if the original
> patch was actually applied or not, I thought I had better hold on to the change
> just a little bit.
> 

Sorry, just getting back from vacation, the mails escaped when I synced
the mailbox at an airport but I indeed did not push the patcehs out yet.

I should be operable in a day or so and sort everything out.

Thanks.

-- 
Dmitry
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