linux-kernel - Re: [stable] [PATCH] [26/98] af_unix: Only allow recv on connected seqpacket sockets.

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Message-ID: <4E30369B.8030708@linux.intel.com>
Date:	Wed, 27 Jul 2011 09:02:35 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Tim Gardner <tim.gardner@...onical.com>
CC:	Andi Kleen <andi@...stfloor.org>, ebiederm@...ssion.com,
	dan@...ni.org, davem@...emloft.net, gregkh@...e.de,
	linux-kernel@...r.kernel.org, stable@...nel.org,
	tim.bird@...sony.com, stable@...r.kernel.org
Subject: Re: [stable] [PATCH] [26/98] af_unix: Only allow recv on connected
 seqpacket sockets.


> Andi - Ubuntu has reverted this patch for both Lucid (2.6.32) and 
> Natty (2.6.38) as it appears to cause a networking regression, though 
> we never really figured out root cause. Empirically, reverting the 
> patch solved the issue. Eric Biederman theorized that it uncovered a 
> user space issue (trying to read before listen), but the bug reporter 
> seems to have lost interest in testing kernels so we couldn't ever pin 
> it down.
>
> http://bugs.launchpad.net/bugs/791512
>
> We also decided that reverting this patch was likely OK because we 
> couldn't find any Launchpad reports of the Ooops mentioned in the 
> patch commit log, nor does a google search turn up any hits.

Thanks for the heads-up. I'm dropping it.

-Andi


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