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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64823C43603 for ; Tue, 10 Dec 2019 21:16:13 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F1F6A205C9 for ; Tue, 10 Dec 2019 21:16:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UCfQPxwZ"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="YWTPuRBR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F1F6A205C9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=E7TSAT4wtSa7HtppYwaXSJfd6qV+RYabweDNpq0rS4Q=; b=UCfQPxwZdcA4W8 YaDmMTKsUsAoF605sh9s+/sb3nwya9E5nhgXpzF2Q8x8XFPnUK4fLIpem6xqD7bC7G632+i50OFiS aFTZoO/V4wNEOhdMQq/ULVDIYkuTDC5dJj6kc4N8Jk2ksARAUSR3BleQgSY5IoG84CfrOmQf9zJS5 Frezp1CjdAkn+cQeXUwPppVKS4XubWbptNIbI1nSzYXOfwzhAOnPXNFW4Y2k5cJwkEqnLLMbi+PRF 49d24TC3uCGcyWqLbDoQUURS8st0td8X7iqqki45MbacoMQQegmWEkfxI9XJ4keNVYoZHk9SNJdbu XpzPM+JhBu5M1+o1zivA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iemrU-0002FK-Gp; Tue, 10 Dec 2019 21:16:04 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iemow-0007DY-M5; Tue, 10 Dec 2019 21:13:30 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F2110214AF; Tue, 10 Dec 2019 21:13:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576012405; bh=qLpA8Hj/Bemhj0QN8KheWl81yCIKzadDZCnWM+wT4+o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YWTPuRBRL9oqkiZsne/R6P40FbVQJsAhf44cR38Ypa/s9F6PzUnC+jmbnIp0ExGjU YjU/YQFBwb5zWE5P3e6Uj7bs1w6zrftrePRgAGUhEs2vwV0R5b5WTptKTwNqXJRPFo khOH5MrfjQ686J8ltzFHiEPiOO3HGTT285+1tRzE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 324/350] mt76: fix possible out-of-bound access in mt7615_fill_txs/mt7603_fill_txs Date: Tue, 10 Dec 2019 16:07:09 -0500 Message-Id: <20191210210735.9077-285-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210210735.9077-1-sashal@kernel.org> References: <20191210210735.9077-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191210_131326_845415_7BAAF185 X-CRM114-Status: UNSURE ( 9.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , netdev@vger.kernel.org, linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org, Lorenzo Bianconi , linux-arm-kernel@lists.infradead.org, Felix Fietkau Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Lorenzo Bianconi [ Upstream commit e8b970c8e367e85fab9b8ac4f36080e5d653c38e ] Fix possible out-of-bound access of status rates array in mt7615_fill_txs/mt7603_fill_txs routines Fixes: c5211e997eca ("mt76: mt7603: rework and fix tx status reporting") Fixes: 4af81f02b49c ("mt76: mt7615: sync with mt7603 rate control changes") Signed-off-by: Lorenzo Bianconi Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7603/mac.c | 4 +++- drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c index c328192307c48..ff3f3d98b6252 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c @@ -1032,8 +1032,10 @@ mt7603_fill_txs(struct mt7603_dev *dev, struct mt7603_sta *sta, if (idx && (cur_rate->idx != info->status.rates[i].idx || cur_rate->flags != info->status.rates[i].flags)) { i++; - if (i == ARRAY_SIZE(info->status.rates)) + if (i == ARRAY_SIZE(info->status.rates)) { + i--; break; + } info->status.rates[i] = *cur_rate; info->status.rates[i].count = 0; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index e07ce2c100133..111e38ff954a2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -914,8 +914,10 @@ static bool mt7615_fill_txs(struct mt7615_dev *dev, struct mt7615_sta *sta, if (idx && (cur_rate->idx != info->status.rates[i].idx || cur_rate->flags != info->status.rates[i].flags)) { i++; - if (i == ARRAY_SIZE(info->status.rates)) + if (i == ARRAY_SIZE(info->status.rates)) { + i--; break; + } info->status.rates[i] = *cur_rate; info->status.rates[i].count = 0; -- 2.20.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49093C2D0BF for ; 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Tue, 10 Dec 2019 21:13:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576012405; bh=qLpA8Hj/Bemhj0QN8KheWl81yCIKzadDZCnWM+wT4+o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YWTPuRBRL9oqkiZsne/R6P40FbVQJsAhf44cR38Ypa/s9F6PzUnC+jmbnIp0ExGjU YjU/YQFBwb5zWE5P3e6Uj7bs1w6zrftrePRgAGUhEs2vwV0R5b5WTptKTwNqXJRPFo khOH5MrfjQ686J8ltzFHiEPiOO3HGTT285+1tRzE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lorenzo Bianconi , Felix Fietkau , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 324/350] mt76: fix possible out-of-bound access in mt7615_fill_txs/mt7603_fill_txs Date: Tue, 10 Dec 2019 16:07:09 -0500 Message-Id: <20191210210735.9077-285-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210210735.9077-1-sashal@kernel.org> References: <20191210210735.9077-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Lorenzo Bianconi [ Upstream commit e8b970c8e367e85fab9b8ac4f36080e5d653c38e ] Fix possible out-of-bound access of status rates array in mt7615_fill_txs/mt7603_fill_txs routines Fixes: c5211e997eca ("mt76: mt7603: rework and fix tx status reporting") Fixes: 4af81f02b49c ("mt76: mt7615: sync with mt7603 rate control changes") Signed-off-by: Lorenzo Bianconi Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7603/mac.c | 4 +++- drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c index c328192307c48..ff3f3d98b6252 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c @@ -1032,8 +1032,10 @@ mt7603_fill_txs(struct mt7603_dev *dev, struct mt7603_sta *sta, if (idx && (cur_rate->idx != info->status.rates[i].idx || cur_rate->flags != info->status.rates[i].flags)) { i++; - if (i == ARRAY_SIZE(info->status.rates)) + if (i == ARRAY_SIZE(info->status.rates)) { + i--; break; + } info->status.rates[i] = *cur_rate; info->status.rates[i].count = 0; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index e07ce2c100133..111e38ff954a2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -914,8 +914,10 @@ static bool mt7615_fill_txs(struct mt7615_dev *dev, struct mt7615_sta *sta, if (idx && (cur_rate->idx != info->status.rates[i].idx || cur_rate->flags != info->status.rates[i].flags)) { i++; - if (i == ARRAY_SIZE(info->status.rates)) + if (i == ARRAY_SIZE(info->status.rates)) { + i--; break; + } info->status.rates[i] = *cur_rate; info->status.rates[i].count = 0; -- 2.20.1 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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8660EC2D0C4 for ; 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h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=iER0njJPRFyZVCpb8/whSw22vDA3a+MQx2o2jC6SXU4=; b=KZi2Eo940KKye0 XZ2jjRp3NsR7z7VNGjDWHoCfvlUAGPQGPT+JbkEnDThVniIukcZAoDUf8oKgDRVIP+P5FVCQ+5P3r HTNcU+oJ4i41tzjVVmkRuTe9Tumw/vmYUoWxMy49JkWV4S33N8HwgbRozBKv4XcJ3RWDkO+kQUxKL +6BmNg4+xc7NMVAREtzIpvSnIQF2WlVZ3BjySsi3z+PLuc2ia5NTWXVE42nY1PPdYVAalkxNnh3gR WHmBdFfODnDhKX37g5+sGLSEf0zuQTh/qPcvVOPZE4zUytt94CDY7qimAs6U7Uha5iBJ+/88T0hME cuzLNT2ecImZPh9ruLUQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iemrJ-0001yv-CK; Tue, 10 Dec 2019 21:15:53 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iemow-0007DY-M5; Tue, 10 Dec 2019 21:13:30 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F2110214AF; Tue, 10 Dec 2019 21:13:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576012405; bh=qLpA8Hj/Bemhj0QN8KheWl81yCIKzadDZCnWM+wT4+o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YWTPuRBRL9oqkiZsne/R6P40FbVQJsAhf44cR38Ypa/s9F6PzUnC+jmbnIp0ExGjU YjU/YQFBwb5zWE5P3e6Uj7bs1w6zrftrePRgAGUhEs2vwV0R5b5WTptKTwNqXJRPFo khOH5MrfjQ686J8ltzFHiEPiOO3HGTT285+1tRzE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 324/350] mt76: fix possible out-of-bound access in mt7615_fill_txs/mt7603_fill_txs Date: Tue, 10 Dec 2019 16:07:09 -0500 Message-Id: <20191210210735.9077-285-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210210735.9077-1-sashal@kernel.org> References: <20191210210735.9077-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191210_131326_845415_7BAAF185 X-CRM114-Status: UNSURE ( 9.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , netdev@vger.kernel.org, linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org, Lorenzo Bianconi , linux-arm-kernel@lists.infradead.org, Felix Fietkau Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Lorenzo Bianconi [ Upstream commit e8b970c8e367e85fab9b8ac4f36080e5d653c38e ] Fix possible out-of-bound access of status rates array in mt7615_fill_txs/mt7603_fill_txs routines Fixes: c5211e997eca ("mt76: mt7603: rework and fix tx status reporting") Fixes: 4af81f02b49c ("mt76: mt7615: sync with mt7603 rate control changes") Signed-off-by: Lorenzo Bianconi Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7603/mac.c | 4 +++- drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c index c328192307c48..ff3f3d98b6252 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c @@ -1032,8 +1032,10 @@ mt7603_fill_txs(struct mt7603_dev *dev, struct mt7603_sta *sta, if (idx && (cur_rate->idx != info->status.rates[i].idx || cur_rate->flags != info->status.rates[i].flags)) { i++; - if (i == ARRAY_SIZE(info->status.rates)) + if (i == ARRAY_SIZE(info->status.rates)) { + i--; break; + } info->status.rates[i] = *cur_rate; info->status.rates[i].count = 0; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index e07ce2c100133..111e38ff954a2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -914,8 +914,10 @@ static bool mt7615_fill_txs(struct mt7615_dev *dev, struct mt7615_sta *sta, if (idx && (cur_rate->idx != info->status.rates[i].idx || cur_rate->flags != info->status.rates[i].flags)) { i++; - if (i == ARRAY_SIZE(info->status.rates)) + if (i == ARRAY_SIZE(info->status.rates)) { + i--; break; + } info->status.rates[i] = *cur_rate; info->status.rates[i].count = 0; -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel