From patchwork Thu Jul 27 04:34:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 126631 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:a985:0:b0:3e4:2afc:c1 with SMTP id t5csp860338vqo; Wed, 26 Jul 2023 22:21:09 -0700 (PDT) X-Google-Smtp-Source: APBJJlFW1TnQhdei3p+PTspPCJAy5vDMQvRGlcUefzbKWEv/WAoPkB68Gaap3pBTFGpKLq8gW6xr X-Received: by 2002:a05:6808:178d:b0:3a4:2a13:71ca with SMTP id bg13-20020a056808178d00b003a42a1371camr2599328oib.16.1690435269605; Wed, 26 Jul 2023 22:21:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690435269; cv=none; d=google.com; s=arc-20160816; b=lJ87l+w5RJghHbxuMCO5Jny3keoUTXHtW/Ygqn+bxAdHwK66kryqzuq+7XI+mSOrQx d4bUAQYhW++SOliyJeyJyPxurbWomZ8r/AB8a5oRUbc7wb5bp5XUePK/IcUQfWpJDJpU +o9tjVptfsvBoqEh+wF+yaJJ+kenININXoUw8XZzFnsY/kUyorPeeJDvPiJ893U7y/q+ x737s+LEjpaH83b6zyxiqI91rWCVvvaJbGWaYH22sAUMSt3wLz8rLT60cRvuZjVWIbSn Pz0JFjncymdOtQeORTamFaQtSP3k9e7qHdl5TyolifGL1k0+bx33IdEyzLKhxMgBfDen 4NIg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=2wBdUaXhNzrcFd2UG4094FY4Y70VgA2XSY6v7mCJfYw=; fh=GcndwOMBf1bnpW+bW+jgpNWzVvxAZNEz+Wt3jUkG7qY=; b=WPy1G2jn8+8EjPJnGlCPCW4l6m6FuftRu2yzwUJriRZ3nqqHrfovVGgArkuo97B/2Z uS7VsLETdoEgt/RYZ9vF4iYWA3BUhJ5/5vtD9pKeiuH8hBZQTKiox9gt9PLMHb0j5kgw 5hHgtyZIlkUXCUwVZhmbp8xnkOCF439tu7SLesAXbTLYxYY6rQ4vbBlMYVJDLaSIC5DK /3fh3Y/rIXNKtWvY1HCt+aH1oWs3pbzRDnFSnvMF5cTLAUkgnaxSP95nx0vCKFzwt1Nu CLYFgAc8kfBvog5Ga42qYUtR8ke1FgTglvAxke6ob87egkp7op+6ziVYbg0oQ+35J+wv nMTw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=ETbvo18X; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id c10-20020a63960a000000b0054481da6ee5si591137pge.418.2023.07.26.22.20.56; Wed, 26 Jul 2023 22:21:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=ETbvo18X; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231538AbjG0Efs (ORCPT + 99 others); Thu, 27 Jul 2023 00:35:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231494AbjG0Efd (ORCPT ); Thu, 27 Jul 2023 00:35:33 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C57B6272A; Wed, 26 Jul 2023 21:35:25 -0700 (PDT) Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36R1mRuk022937; Thu, 27 Jul 2023 04:35:19 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=2wBdUaXhNzrcFd2UG4094FY4Y70VgA2XSY6v7mCJfYw=; b=ETbvo18XOzcrZvygoCSbh3yGhcGBHQfYHyHgkiCzxI7BO9vE8pruSaCaf2/x7EjreSnw j8N0o4XpncjpbKOUarH//K0zPP9WIVXE5Y6R5X7CtYzaQQNwrFT3gY0HoKAiiMAgmIPl 8uJo5aBFDTdXH1hMt1LQDg+Gd1R+4xuseQ45uoxeQLlFu+ibDKDdOL8/a46v0H/H6p/o R7UT52S0idoTSC8P1jCjj4MRKXTUi+CMkiEIDCigTf/sjieOaEIqiHw6ybPkfSP+Nnlh GERLeEK4KLw4MzZrZ46zHv2R6KYY0XOvCh5p36q9P6T6n0n0PjGZYsGOLPjez/ENRhvE Iw== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3s32jn1ska-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 27 Jul 2023 04:35:19 +0000 Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36R4ZICY025392 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 27 Jul 2023 04:35:18 GMT Received: from hu-vgarodia-hyd.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Wed, 26 Jul 2023 21:35:14 -0700 From: Vikash Garodia To: , , , , , , , CC: , , , , Vikash Garodia Subject: [PATCH 3/4] venus: hfi: add checks to handle capabilities from firmware Date: Thu, 27 Jul 2023 10:04:28 +0530 Message-ID: <1690432469-14803-4-git-send-email-quic_vgarodia@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1690432469-14803-1-git-send-email-quic_vgarodia@quicinc.com> References: <1690432469-14803-1-git-send-email-quic_vgarodia@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: crV8lj0M-rFuQBATbimxwSFN5eCMKp_3 X-Proofpoint-ORIG-GUID: crV8lj0M-rFuQBATbimxwSFN5eCMKp_3 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-26_08,2023-07-26_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 suspectscore=0 mlxscore=0 phishscore=0 bulkscore=0 mlxlogscore=999 lowpriorityscore=0 impostorscore=0 adultscore=0 malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307270041 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772549853114655068 X-GMAIL-MSGID: 1772549853114655068 The hfi parser, parses the capabilities received from venus firmware and copies them to core capabilities. Consider below api, for example, fill_caps - In this api, caps in core structure gets updated with the number of capabilities received in firmware data payload. If the same api is called multiple times, there is a possibility of copying beyond the max allocated size in core caps. Similar possibilities in fill_raw_fmts and fill_profile_level functions. Cc: stable@vger.kernel.org Fixes: 1a73374a04e5 ("media: venus: hfi_parser: add common capability parser") Signed-off-by: Vikash Garodia --- drivers/media/platform/qcom/venus/hfi_parser.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/media/platform/qcom/venus/hfi_parser.c b/drivers/media/platform/qcom/venus/hfi_parser.c index 6cf74b2..ec73cac 100644 --- a/drivers/media/platform/qcom/venus/hfi_parser.c +++ b/drivers/media/platform/qcom/venus/hfi_parser.c @@ -86,6 +86,9 @@ static void fill_profile_level(struct hfi_plat_caps *cap, const void *data, { const struct hfi_profile_level *pl = data; + if (cap->num_pl > HFI_MAX_PROFILE_COUNT) + return; + memcpy(&cap->pl[cap->num_pl], pl, num * sizeof(*pl)); cap->num_pl += num; } @@ -111,6 +114,9 @@ fill_caps(struct hfi_plat_caps *cap, const void *data, unsigned int num) { const struct hfi_capability *caps = data; + if (cap->num_caps > MAX_CAP_ENTRIES) + return; + memcpy(&cap->caps[cap->num_caps], caps, num * sizeof(*caps)); cap->num_caps += num; } @@ -137,6 +143,9 @@ static void fill_raw_fmts(struct hfi_plat_caps *cap, const void *fmts, { const struct raw_formats *formats = fmts; + if (cap->num_fmts > MAX_FMT_ENTRIES) + return; + memcpy(&cap->fmts[cap->num_fmts], formats, num_fmts * sizeof(*formats)); cap->num_fmts += num_fmts; } @@ -159,6 +168,9 @@ parse_raw_formats(struct venus_core *core, u32 codecs, u32 domain, void *data) rawfmts[i].buftype = fmt->buffer_type; i++; + if (i >= MAX_FMT_ENTRIES) + return; + if (pinfo->num_planes > MAX_PLANES) break;