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wifi: cfg80211: Drop entries with invalid BSSIDs in RNR

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Ignore AP information for entries that include an invalid
BSSID in the TBTT information field, e.g., all zeros BSSIDs.

Fixes: c8cb5b854b ("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>
This commit is contained in:
Ilan Peer 2023-04-24 10:32:24 +03:00 committed by Johannes Berg
parent 20429444e6
commit 1b6b4ed014
1 changed files with 5 additions and 1 deletions
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6
net/wireless/scan.c
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@ -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;