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wifi: cfg80211: enforce HE/EHT cap/oper consistency

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Xiang Mei reports that mac80211 could crash if eht_cap is set
but eht_oper isn't. Rather than fixing that for the individual
user(s), enforce that both HE/EHT have consistent elements.

Reported-by: Xiang Mei <xmei5@asu.edu>
Fixes: 22c64f37e1 ("wifi: mac80211: Update MCS15 support in link_conf")
Link: https://patch.msgid.link/20260603091812.101894-2-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2026-06-03 11:18:11 +02:00
parent 7752c54353
commit cb9959ab5f
1 changed files with 6 additions and 0 deletions
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net/wireless/nl80211.c
+6
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@@ -6714,6 +6714,12 @@ static int nl80211_calculate_ap_params(struct cfg80211_ap_settings *params)
return -EINVAL;
}
if (!!params->he_cap != !!params->he_oper)
return -EINVAL;
if (!!params->eht_cap != !!params->eht_oper)
return -EINVAL;
return 0;
}