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(parent: 5c1f5b4) | patch
sfc: fix potential stack corruption from running past stat bitmask
authorAndrew Rybchenko <Andrew.Rybchenko@oktetlabs.ru>
Fri, 26 Aug 2016 10:19:34 +0000 (11:19 +0100)
committerDavid S. Miller <davem@davemloft.net>
Sat, 27 Aug 2016 04:40:44 +0000 (21:40 -0700)
commite70c70c38d7a5ced76fc8b1c4a7ccee76e9c2911
treef0409c417d22904e551a2240f711e6ffbb4848a8tree | snapshot
parent5c1f5b457b86a263d0e21c8f3ebe83d515e7bccecommit | diff
sfc: fix potential stack corruption from running past stat bitmask

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@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/sfc/ef10.c diff | blob | history
John Crispins staging tree