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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B3DF1C25B74 for ; Mon, 27 May 2024 15:55:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=iC4pMqfb4hzCsC4mrtoheBzzCX+jebiTXeYB+FxV4WM=; b=k1mS0b6TUOfSceKG8FLTDnB32q 7n4llV2CH9qYbQlURxaSmaqlQJNqp6ywUw8P0ybp0i1eUQOCvzHzJic1nv7TKBUw9aHgVLoaoXFBL +IcUTJ+DiddaWbDpguH3R+JgfFZc2KWVWyF2LygpDwWC2I6yzXBogaUvGcVOUvjMN8a/C81Ujlvk6 B4dC36BBCFsgIbTPbtPh60e2ZSusR5MW19mZlWfB3d/F8T02ENbixLuJo7A97LeRGxX1h9ZExlPXo rzcsHfVtIFhG+B8DQiL4Rz5il4udPnhzKHxHEALv90qaAh7kwqLX9v27kKfmLDX52dcw6qAeBu3M6 Wu59XrLQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBcgk-0000000FgVr-1Wms; Mon, 27 May 2024 15:55:06 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBcgg-0000000FgSd-1Jaj; Mon, 27 May 2024 15:55:04 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 53D3461B14; Mon, 27 May 2024 15:55:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 45BE4C32781; Mon, 27 May 2024 15:54:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716825301; bh=ublOx72acyNOeeVaCWRsyHmqdVfgbtXS0a5Hkh7LaXQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vIWyOp2+M4MG//fbP9kWF6rtL5hIZvgOtSCWMlxn0+6ZtehgMUWTh+I7fRxR2sn3n jQTOK2uH14bFX8VcF8Za8zvPs3uBfD+qwwR4fc5hjFze995dIkr2BgsAN8hwIgvVxY 07JlakurpdvuJd2FMrcFAdyTKg6k/pXMdQmCI8Knh79mmpxqKdJYWeWGL3mH0ZRSQw GXpDX/yOJNjqmn9EB/0p1YIKSNSVzyXG0aQ3y+8KzvaWsHY6QuPb195WCefqdsLlam KCzejA3nID3JoPFp6dCOeh4FQMd6cXFaX+GItSzX5nYwtAWCn3+xn+KYc2vu6B/HXv L7mkHCEB4AhLg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Fullway Wang , Mauro Carvalho Chehab , Sasha Levin , tiffany.lin@mediatek.com, andrew-ct.chen@mediatek.com, yunfei.dong@mediatek.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com, colin.i.king@gmail.com, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 6.8 18/20] media: mtk-vcodec: potential null pointer deference in SCP Date: Mon, 27 May 2024 11:53:01 -0400 Message-ID: <20240527155349.3864778-18-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240527155349.3864778-1-sashal@kernel.org> References: <20240527155349.3864778-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.8.11 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240527_085502_421332_1449C6A3 X-CRM114-Status: UNSURE ( 9.05 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Fullway Wang [ Upstream commit 53dbe08504442dc7ba4865c09b3bbf5fe849681b ] The return value of devm_kzalloc() needs to be checked to avoid NULL pointer deference. This is similar to CVE-2022-3113. Link: https://lore.kernel.org/linux-media/PH7PR20MB5925094DAE3FD750C7E39E01BF712@PH7PR20MB5925.namprd20.prod.outlook.com Signed-off-by: Fullway Wang Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- .../media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c index 6bbe55de6ce9a..ff23b225db705 100644 --- a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c +++ b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c @@ -79,6 +79,8 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_scp_init(void *priv, enum mtk_vcodec_fw_use } fw = devm_kzalloc(&plat_dev->dev, sizeof(*fw), GFP_KERNEL); + if (!fw) + return ERR_PTR(-ENOMEM); fw->type = SCP; fw->ops = &mtk_vcodec_rproc_msg; fw->scp = scp; -- 2.43.0 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 1880DC25B74 for ; Mon, 27 May 2024 15:55:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WdpI69VjJNdwFsMPbStZB7ZEyLz437+BOoL7ue8NbyA=; b=P3zERzDxyY8jz4 JVzw/sblkOTr5qphYmVy0S4hcOyNhLh3h1RlM57SUjzmNq6KvmheHMlov7yYUB4I/37QUiqRY7ZOd 4KITN7UtCRFi4NATWpW+VyZjQDTe1Y4ZKE7UeAC1UH0H+zqn/y1pl56O3fsVvWZPzYUVWzXDVddgq AAVugeSkeLFWEUZkWaYDbcGmPtqej+GHhFulpKbxvy6OgsBW2ty5F68LeFSQ3gJZtb2/BacQX29u7 6m/IFKLPeFWLlL4+u69zvF9VXTWuvsuUgrIWorq6hnxfjdDeojXnmmmLc9oHpb8UvxuoNwotroZRx 6GeuQQAbLgsLZ0dpa3ZQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBcgj-0000000FgVa-3Shk; Mon, 27 May 2024 15:55:05 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBcgg-0000000FgSd-1Jaj; Mon, 27 May 2024 15:55:04 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 53D3461B14; Mon, 27 May 2024 15:55:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 45BE4C32781; Mon, 27 May 2024 15:54:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716825301; bh=ublOx72acyNOeeVaCWRsyHmqdVfgbtXS0a5Hkh7LaXQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vIWyOp2+M4MG//fbP9kWF6rtL5hIZvgOtSCWMlxn0+6ZtehgMUWTh+I7fRxR2sn3n jQTOK2uH14bFX8VcF8Za8zvPs3uBfD+qwwR4fc5hjFze995dIkr2BgsAN8hwIgvVxY 07JlakurpdvuJd2FMrcFAdyTKg6k/pXMdQmCI8Knh79mmpxqKdJYWeWGL3mH0ZRSQw GXpDX/yOJNjqmn9EB/0p1YIKSNSVzyXG0aQ3y+8KzvaWsHY6QuPb195WCefqdsLlam KCzejA3nID3JoPFp6dCOeh4FQMd6cXFaX+GItSzX5nYwtAWCn3+xn+KYc2vu6B/HXv L7mkHCEB4AhLg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Fullway Wang , Mauro Carvalho Chehab , Sasha Levin , tiffany.lin@mediatek.com, andrew-ct.chen@mediatek.com, yunfei.dong@mediatek.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com, colin.i.king@gmail.com, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 6.8 18/20] media: mtk-vcodec: potential null pointer deference in SCP Date: Mon, 27 May 2024 11:53:01 -0400 Message-ID: <20240527155349.3864778-18-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240527155349.3864778-1-sashal@kernel.org> References: <20240527155349.3864778-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.8.11 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240527_085502_421332_1449C6A3 X-CRM114-Status: UNSURE ( 9.05 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Fullway Wang [ Upstream commit 53dbe08504442dc7ba4865c09b3bbf5fe849681b ] The return value of devm_kzalloc() needs to be checked to avoid NULL pointer deference. This is similar to CVE-2022-3113. Link: https://lore.kernel.org/linux-media/PH7PR20MB5925094DAE3FD750C7E39E01BF712@PH7PR20MB5925.namprd20.prod.outlook.com Signed-off-by: Fullway Wang Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- .../media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c index 6bbe55de6ce9a..ff23b225db705 100644 --- a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c +++ b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.c @@ -79,6 +79,8 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_scp_init(void *priv, enum mtk_vcodec_fw_use } fw = devm_kzalloc(&plat_dev->dev, sizeof(*fw), GFP_KERNEL); + if (!fw) + return ERR_PTR(-ENOMEM); fw->type = SCP; fw->ops = &mtk_vcodec_rproc_msg; fw->scp = scp; -- 2.43.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel