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-rw-r--r--net/ieee80211/ieee80211_rx.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index f2de2e48b02..6284c99b456 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -366,6 +366,12 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
frag = WLAN_GET_SEQ_FRAG(sc);
hdrlen = ieee80211_get_hdrlen(fc);
+ if (skb->len < hdrlen) {
+ printk(KERN_INFO "%s: invalid SKB length %d\n",
+ dev->name, skb->len);
+ goto rx_dropped;
+ }
+
/* Put this code here so that we avoid duplicating it in all
* Rx paths. - Jean II */
#ifdef CONFIG_WIRELESS_EXT