openwrtv3/package/madwifi/patches/373-sanity_check.patch

12 lines
350 B
Diff

--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -250,6 +250,9 @@ ieee80211_input(struct ieee80211vap * va
if (vap->iv_opmode == IEEE80211_M_MONITOR)
goto out;
+ if (!skb->data)
+ goto out;
+
if (skb->len < sizeof(struct ieee80211_frame_min)) {
IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_ANY,
ni->ni_macaddr, NULL,