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 713DBC433EF for ; Thu, 9 Dec 2021 00:57:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241685AbhLIBAp (ORCPT ); Wed, 8 Dec 2021 20:00:45 -0500 Received: from mailgw.kylinos.cn ([123.150.8.42]:13599 "EHLO nksmu.kylinos.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241678AbhLIBAo (ORCPT ); Wed, 8 Dec 2021 20:00:44 -0500 X-UUID: 78b2cbd73cde41478cded1d734961bc0-20211209 X-UUID: 78b2cbd73cde41478cded1d734961bc0-20211209 X-User: zhangyue1@kylinos.cn Received: from localhost.localdomain [(172.17.127.2)] by nksmu.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 1053237904; Thu, 09 Dec 2021 09:05:24 +0800 From: zhangyue To: amitkarwar@gmail.com, siva8118@gmail.com, kvalo@codeaurora.org, davem@davemloft.net, kuba@kernel.org Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] rsi: fix array out of bound Date: Wed, 8 Dec 2021 17:53:41 +0800 Message-Id: <20211208095341.47777-1-zhangyue1@kylinos.cn> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Limit the max of 'ii'. If 'ii' greater than or equal to 'RSI_MAX_VIFS', the array 'adapter->vifs' may be out of bound Signed-off-by: zhangyue --- drivers/net/wireless/rsi/rsi_91x_mac80211.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c index e70c1c7fdf59..913e11fb3807 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c +++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c @@ -1108,6 +1108,9 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw, break; } + if (ii >= RSI_MAX_VIFS) + return status; + mutex_lock(&common->mutex); if (ssn != NULL) -- 2.30.0