netdev - Re: [PATCH net] sfc: fix potential stack corruption from running past stat bitmask

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Message-Id: <20160826.214103.1359468105411763184.davem@davemloft.net>
Date:   Fri, 26 Aug 2016 21:41:03 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     ecree@...arflare.com
Cc:     linux-net-drivers@...arflare.com, netdev@...r.kernel.org
Subject: Re: [PATCH net] sfc: fix potential stack corruption from running
 past stat bitmask

From: Edward Cree <ecree@...arflare.com>
Date: Fri, 26 Aug 2016 11:19:34 +0100

> From: Andrew Rybchenko <Andrew.Rybchenko@...etlabs.ru>
> 
> On 32-bit systems, mask is only an array of 3 longs, not 4, so don't try
> to write to mask[3].
> Also include build-time checks in case the size of the bitmask changes.
> 
> Fixes: 3c36a2aded8c ("sfc: display vadaptor statistics for all interfaces")
> Signed-off-by: Edward Cree <ecree@...arflare.com>

Applied, thank you.