netdev - Re: [PATCH v2 3/3] pppoatm: protect against freeing of vcc

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Message-ID: <20121127183937.GA1105@shrek.podlesie.net>
Date:	Tue, 27 Nov 2012 19:39:37 +0100
From:	Krzysztof Mazur <krzysiek@...lesie.net>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, nathan@...verse.com.au
Subject: Re: [PATCH v2 3/3] pppoatm: protect against freeing of vcc

On Tue, Nov 27, 2012 at 06:02:29PM +0000, David Woodhouse wrote:
> 
> I'm not running with that patch. This bug exists for br2684 even before
> it, and I think also for pppoatm.
> 

Did you use your "atm: br2684: Fix excessive queue bloat" patch?

With that patch for pppoatm the dev->close()/pppoatm_send() race
was much easier to trigger. Maybe with an equivalent patch for br2684
the races are also easier triggerable.

Krzysiek
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