3.8-stable review patch. If anyone has any objections, please let me know.
------------------ From: Stone Piao <[email protected]> commit 901ceba4e81e9dd6b4a3c4c37ee22000a6c5c65f upstream. Limit the channel number in scan request, or the driver scan config structure memory will be overflowed. Signed-off-by: Stone Piao <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/net/wireless/mwifiex/cfg80211.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1846,7 +1846,8 @@ mwifiex_cfg80211_scan(struct wiphy *wiph } } - for (i = 0; i < request->n_channels; i++) { + for (i = 0; i < min_t(u32, request->n_channels, + MWIFIEX_USER_SCAN_CHAN_MAX); i++) { chan = request->channels[i]; priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value; priv->user_scan_cfg->chan_list[i].radio_type = chan->band; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
