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| author | Benjamin Berg <benjamin.berg@intel.com> | 2023-06-16 09:54:02 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-06-19 12:05:28 +0200 |
| commit | 03e7e493f1a3697eba115f3f69e296f7e47500ee (patch) | |
| tree | 5af70cc14267738c6e96d3d079537c001e896854 /net/wireless | |
| parent | 108d202298bf03ce8d7e28bb94d23555c8385582 (diff) | |
| download | linux-03e7e493f1a3697eba115f3f69e296f7e47500ee.tar.gz | |
wifi: cfg80211: ignore invalid TBTT info field types
The TBTT information field type must be zero. This is only changed in
the 802.11be draft specification where the value 1 is used to indicate
that only the MLD parameters are included.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.7865606ffe94.I7ff28afb875d1b4c39acd497df8490a7d3628e3f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/scan.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index d9abbf123ad1ac..2212e6d2420400 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -629,6 +629,13 @@ static int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies, if (end - pos < count * length) break; + if (u8_get_bits(ap_info->tbtt_info_hdr, + IEEE80211_AP_INFO_TBTT_HDR_TYPE) != + IEEE80211_TBTT_INFO_TYPE_TBTT) { + pos += count * length; + continue; + } + /* * TBTT info must include bss param + BSSID + * (short SSID or same_ssid bit to be set). |