diff options
Diffstat (limited to 'drivers/net/wireless/mac80211_hwsim.c')
| -rw-r--r-- | drivers/net/wireless/mac80211_hwsim.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index c3c3b5aa87b0..6eb3c845640b 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -3693,14 +3693,15 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2, frame_data_len = nla_len(info->attrs[HWSIM_ATTR_FRAME]); frame_data = (void *)nla_data(info->attrs[HWSIM_ATTR_FRAME]); + if (frame_data_len < sizeof(struct ieee80211_hdr_3addr) || + frame_data_len > IEEE80211_MAX_DATA_LEN) + goto err; + /* Allocate new skb here */ skb = alloc_skb(frame_data_len, GFP_KERNEL); if (skb == NULL) goto err; - if (frame_data_len > IEEE80211_MAX_DATA_LEN) - goto err; - /* Copy the data */ skb_put_data(skb, frame_data, frame_data_len); |