diff options
Diffstat (limited to 'net/mac80211/util.c')
| -rw-r--r-- | net/mac80211/util.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 2529b01e2cd5..5bc719222a87 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -73,6 +73,9 @@ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, if (ieee80211_is_s1g_beacon(fc)) { struct ieee80211_ext *ext = (void *) hdr; + if (len < offsetofend(struct ieee80211_ext, u.s1g_beacon.sa)) + return NULL; + return ext->u.s1g_beacon.sa; } |