rt2x00: fix possible memory corruption in case of invalid rxdesc.size
authorStanislaw Gruszka <stf_xl@wp.pl>
Sun, 19 Jun 2011 17:46:02 +0000 (19:46 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 22 Jun 2011 20:09:44 +0000 (16:09 -0400)
commit7f503fc49f144bb509dbd33daf3426df3f176e6b
tree33c71c73da165d47b2d059311cce4a00dbf70bbb
parent9c803a03bc07553f8148d024c15c784b28c1d9ee
rt2x00: fix possible memory corruption in case of invalid rxdesc.size

Sometimes rxdesc descriptor provided by hardware contains invalid
(random) data. For example rxdesc.size can be bigger than actual
size of the buffer. When this happen rt2x00crypto_rx_insert_iv()
corrupt memory doing memmove outside of buffer boundaries.

Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/rt2x00/rt2x00dev.c