| From | Greg Kroah-Hartman <> | Subject | [ 048/122] mac80211: fix read outside array bounds | Date | Tue, 7 Aug 2012 15:25:36 -0700 |
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From: Greg KH <gregkh@linuxfoundation.org>
3.5-stable review patch. If anyone has any objections, please let me know.
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From: Christian Lamparter <chunkeey@googlemail.com>
commit 353d09c6ceedc1cb0c54fe5002c0ca80b6ee6e4f upstream.
ieee802_1d_to_ac is defined as a const int[8], but the tid parameter has a range from 0 to 15.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- net/mac80211/tx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2733,7 +2733,7 @@ EXPORT_SYMBOL(ieee80211_get_buffered_bc) void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, int tid) { - int ac = ieee802_1d_to_ac[tid]; + int ac = ieee802_1d_to_ac[tid & 7]; skb_set_mac_header(skb, 0); skb_set_network_header(skb, 0);
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