| From 353d09c6ceedc1cb0c54fe5002c0ca80b6ee6e4f Mon Sep 17 00:00:00 2001 |
| From: Christian Lamparter <chunkeey@googlemail.com> |
| Date: Sat, 7 Jul 2012 15:07:13 +0200 |
| Subject: mac80211: fix read outside array bounds |
| |
| 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); |
