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Commit 353d09c6 authored by Christian Lamparter's avatar Christian Lamparter Committed by John W. Linville
Browse files

mac80211: fix read outside array bounds 



ieee802_1d_to_ac is defined as a const int[8],
but the tid parameter has a range from 0 to 15.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarChristian Lamparter <chunkeey@googlemail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent f8bf65bf

net/mac80211/tx.c

+1 −1
Original line number Diff line number Diff line
@@ -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);