From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 024751DF992; Wed, 6 Nov 2024 12:23:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730895836; cv=none; b=j/7+7mcbTAwSoMHo7O75EnaWPqM028rOyUYbDv7cwZs9SFLdZ2nViWRk0RvNAEtLr7txgsd32TUI7DRzjoICayHS4G85CZWzpx0AdYUpYgKbMgGNd1XcnamfHTOrUbNPzc/x1SeI4u1FHsLu8rM5ftg1iIzWqxt95iEsj6ru/Lg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730895836; c=relaxed/simple; bh=Tq4Ze5icao/nDFokhyGb2R3CDxVC5US75BU4+4FQcbI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=k6Q7zp/0O2LmdUKRprJaCMkvr7eALcN4BTl4BF/Bub6OlyHF4Vp+udJeUhDARkWzzvjuPKObZQHhqJg0M4cXzWNAFWGJmcvYhr6obNmkFZHwy7Lb44tuwsKCcHY4N16kGR7k4Kj2QQtrdcK/IM4ZgQGwFMh2ebMiqXDViQedHW0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=sZDoELmg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="sZDoELmg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 503D3C4CECD; Wed, 6 Nov 2024 12:23:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730895835; bh=Tq4Ze5icao/nDFokhyGb2R3CDxVC5US75BU4+4FQcbI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sZDoELmgC65YreV367vB8VtHKdiMLEsDKPsmI6VlIkBdX2FUi7SlWpjficOjBCyMm wnbjandkMImVMLZiwd5+PS+nE4EZzV8TKiHNAsHicSyL6kYdkmCqyNboqyiv+yTH9j QSAgfRJkh4aXKAkHB40qCanVHaf20r66FO/aJoKc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Felix Fietkau , Johannes Berg , Sasha Levin Subject: [PATCH 4.19 327/350] wifi: mac80211: skip non-uploaded keys in ieee80211_iter_keys Date: Wed, 6 Nov 2024 13:04:15 +0100 Message-ID: <20241106120328.808609801@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241106120320.865793091@linuxfoundation.org> References: <20241106120320.865793091@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Fietkau [ Upstream commit 52009b419355195912a628d0a9847922e90c348c ] Sync iterator conditions with ieee80211_iter_keys_rcu. Fixes: 830af02f24fb ("mac80211: allow driver to iterate keys") Signed-off-by: Felix Fietkau Link: https://patch.msgid.link/20241006153630.87885-1-nbd@nbd.name Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/mac80211/key.c | 42 +++++++++++++++++++++++++----------------- 1 file changed, 25 insertions(+), 17 deletions(-) diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 7fc55177db847..bb09a1ec258d8 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -777,6 +777,26 @@ void ieee80211_reset_crypto_tx_tailroom(struct ieee80211_sub_if_data *sdata) mutex_unlock(&sdata->local->key_mtx); } +static void +ieee80211_key_iter(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_key *key, + void (*iter)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *data), + void *iter_data) +{ + /* skip keys of station in removal process */ + if (key->sta && key->sta->removed) + return; + if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) + return; + iter(hw, vif, key->sta ? &key->sta->sta : NULL, + &key->conf, iter_data); +} + void ieee80211_iter_keys(struct ieee80211_hw *hw, struct ieee80211_vif *vif, void (*iter)(struct ieee80211_hw *hw, @@ -796,16 +816,13 @@ void ieee80211_iter_keys(struct ieee80211_hw *hw, if (vif) { sdata = vif_to_sdata(vif); list_for_each_entry_safe(key, tmp, &sdata->key_list, list) - iter(hw, &sdata->vif, - key->sta ? &key->sta->sta : NULL, - &key->conf, iter_data); + ieee80211_key_iter(hw, vif, key, iter, iter_data); } else { list_for_each_entry(sdata, &local->interfaces, list) list_for_each_entry_safe(key, tmp, &sdata->key_list, list) - iter(hw, &sdata->vif, - key->sta ? &key->sta->sta : NULL, - &key->conf, iter_data); + ieee80211_key_iter(hw, &sdata->vif, key, + iter, iter_data); } mutex_unlock(&local->key_mtx); } @@ -823,17 +840,8 @@ _ieee80211_iter_keys_rcu(struct ieee80211_hw *hw, { struct ieee80211_key *key; - list_for_each_entry_rcu(key, &sdata->key_list, list) { - /* skip keys of station in removal process */ - if (key->sta && key->sta->removed) - continue; - if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) - continue; - - iter(hw, &sdata->vif, - key->sta ? &key->sta->sta : NULL, - &key->conf, iter_data); - } + list_for_each_entry_rcu(key, &sdata->key_list, list) + ieee80211_key_iter(hw, &sdata->vif, key, iter, iter_data); } void ieee80211_iter_keys_rcu(struct ieee80211_hw *hw, -- 2.43.0