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authorIlan Peer <ilan.peer@intel.com>2023-04-24 10:32:24 +0300
committerJohannes Berg <johannes.berg@intel.com>2023-05-16 10:09:50 -0700
commit1b6b4ed01493b7ea2205ab83c49198f7d13ca9d2 (patch)
tree74afae3775f4cb57fe9e0a250b7a6f9c3e9e4ea3
parent20429444e653ee8242dfbf815c0c37866beb371b (diff)
downloadlinux-1b6b4ed01493b7ea2205ab83c49198f7d13ca9d2.tar.gz
wifi: cfg80211: Drop entries with invalid BSSIDs in RNR
Ignore AP information for entries that include an invalid BSSID in the TBTT information field, e.g., all zeros BSSIDs. Fixes: c8cb5b854b40 ("nl80211/cfg80211: support 6 GHz scanning") Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230424103224.5e65d04d1448.Ic10c8577ae4a85272c407106c9d0a2ecb5372743@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/wireless/scan.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index a1382255fab35..c501db7bbdb3d 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -5,7 +5,7 @@
* Copyright 2008 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2016 Intel Deutschland GmbH
- * Copyright (C) 2018-2022 Intel Corporation
+ * Copyright (C) 2018-2023 Intel Corporation
*/
#include <linux/kernel.h>
#include <linux/slab.h>
@@ -540,6 +540,10 @@ static int cfg80211_parse_ap_info(struct cfg80211_colocated_ap *entry,
/* skip the TBTT offset */
pos++;
+ /* ignore entries with invalid BSSID */
+ if (!is_valid_ether_addr(pos))
+ return -EINVAL;
+
memcpy(entry->bssid, pos, ETH_ALEN);
pos += ETH_ALEN;