From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62F04C77B7F for ; Mon, 8 May 2023 11:14:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233953AbjEHLOj (ORCPT ); Mon, 8 May 2023 07:14:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55580 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233943AbjEHLOi (ORCPT ); Mon, 8 May 2023 07:14:38 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6506E36566 for ; Mon, 8 May 2023 04:14:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E98BA62BAE for ; Mon, 8 May 2023 11:14:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E621BC433EF; Mon, 8 May 2023 11:14:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1683544476; bh=POKbqvt9fvc6l7RP4ZCjGBg8ML0uBWcn0rP1sofmOEQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NMU9xLKj2x0k3KIe7x3AmLehzovbs1/m4hMcI97hM5fAEXuoLLemtVM93ZvpM7nh3 ZJKKpoQNW+zztpaqadIeP46RF8d/QIrIEx1sJnHu99EcUJxrZL+h2qIQbm3aqODrgU Wh1ZJZBUDoeSc/CovHwTSUBofWXmWcJYtx4jepnU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ayala Beker , Gregory Greenman , Johannes Berg , Sasha Levin Subject: [PATCH 6.3 423/694] wifi: iwlwifi: mvm: dont drop unencrypted MCAST frames Date: Mon, 8 May 2023 11:44:18 +0200 Message-Id: <20230508094447.021261243@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230508094432.603705160@linuxfoundation.org> References: <20230508094432.603705160@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ayala Beker [ Upstream commit 8e5a26360cbe29b896b6758518280d41c3704d43 ] MCAST frames are filtered out by the driver if we are not authorized yet. Fix it to filter out only protected frames. Fixes: 147eb05f24e6 ("iwlwifi: mvm: always tell the firmware to accept MCAST frames in BSS") Signed-off-by: Ayala Beker Signed-off-by: Gregory Greenman Link: https://lore.kernel.org/r/20230413213309.9cedcc27db60.I8fb7057981392660da482dd215e85c15946d3f4b@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/mvm/rx.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c index 49ca1e168fc5b..eee98cebbb46a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -384,9 +384,10 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, * Don't even try to decrypt a MCAST frame that was received * before the managed vif is authorized, we'd fail anyway. */ - if (vif->type == NL80211_IFTYPE_STATION && + if (is_multicast_ether_addr(hdr->addr1) && + vif->type == NL80211_IFTYPE_STATION && !mvmvif->authorized && - is_multicast_ether_addr(hdr->addr1)) { + ieee80211_has_protected(hdr->frame_control)) { IWL_DEBUG_DROP(mvm, "MCAST before the vif is authorized\n"); kfree_skb(skb); rcu_read_unlock(); -- 2.39.2