diff options
| author | Christian Lamparter <chunkeey@googlemail.com> | 2012-07-07 15:07:13 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-09 08:22:52 -0700 |
| commit | b8e69df8d54f9458b38aee32a66ac82e3eaf2a6c (patch) | |
| tree | df775c114b4f13e2fb38007cf9da048d0e4e4dfe /net | |
| parent | 77a797164fa64308ead7da0b1898895979f10b15 (diff) | |
mac80211: fix read outside array bounds
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/tx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index e453212fa17..85cf32d2f7b 100644 --- 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); |