6.12-stable review patch. If anyone has any objections, please let me know.
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From: Ilan Peer ilan.peer@intel.com
[ Upstream commit ea928544f3215fdeac24d66bef85e10bb638b8c1 ]
The element data length check did not account for the extra octet used for the extension ID. Fix it.
Signed-off-by: Ilan Peer ilan.peer@intel.com Signed-off-by: Miri Korenblit miriam.rachel.korenblit@intel.com Link: https://patch.msgid.link/20250907115109.8da0012e2286.I8c0c69a0011f7153c13b36... Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/mac80211/mlme.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index fd2bc70afa0cd..0cba454d6e685 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -5148,7 +5148,7 @@ static u8 ieee80211_max_rx_chains(struct ieee80211_link_data *link, he_cap_elem = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY, ies->data, ies->len);
- if (!he_cap_elem || he_cap_elem->datalen < sizeof(*he_cap)) + if (!he_cap_elem || he_cap_elem->datalen < sizeof(*he_cap) + 1) return chains;
/* skip one byte ext_tag_id */