From: Johannes Berg <johannes.berg@xxxxxxxxx> Don't allow using a multicast address as the BSSID, that isn't a valid configuration. Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> --- net/wireless/ibss.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c index 071e99c75e82..a953a60b4f41 100644 --- a/net/wireless/ibss.c +++ b/net/wireless/ibss.c @@ -481,6 +481,9 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev, if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) bssid = NULL; + if (bssid && !is_valid_ether_addr(bssid)) + return -EINVAL; + /* both automatic */ if (!bssid && !wdev->wext.ibss.bssid) return 0; -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html