From patchwork Mon Oct 7 08:41:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guennadi Liakhovetski X-Patchwork-Id: 11176955 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 65ABC17E6 for ; Mon, 7 Oct 2019 08:42:38 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 6D96720867 for ; Mon, 7 Oct 2019 08:42:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="hWkzFxqB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6D96720867 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 49B3484B; Mon, 7 Oct 2019 10:41:45 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 49B3484B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1570437755; bh=VLQnLNJZSMTVsEwtev/3n+tvgaiGH5syNUC/tCRI9b0=; h=From:To:Date:Subject:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=hWkzFxqBf9Rk17Qh7h2j9LibmZLC8uQbCzkbrVXJALWhVnxZG+81RE1mAKQ1kH7j8 jP3Jk/W+LXPmJtR3klC7npeWJ/b37Ts7CYzGTH1rLsGRN6zsoMx0vZ1KdKa/tku6Ae kFOx8bXKCedLRPb5f8CXV3kYPW+kd7sU3nxK8LOY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id AFF62F802BD; Mon, 7 Oct 2019 10:41:44 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id D5CE0F802DF; Mon, 7 Oct 2019 10:41:41 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_NONE autolearn=disabled version=3.4.0 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id A6FA7F80137 for ; Mon, 7 Oct 2019 10:41:37 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A6FA7F80137 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Oct 2019 01:41:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,267,1566889200"; d="scan'208";a="222845061" Received: from gliakhov-mobl2.ger.corp.intel.com (HELO localhost.localdomain) ([10.252.41.73]) by fmsmga002.fm.intel.com with ESMTP; 07 Oct 2019 01:41:35 -0700 From: Guennadi Liakhovetski To: alsa-devel@alsa-project.org Date: Mon, 7 Oct 2019 10:41:31 +0200 Message-Id: <20191007084133.7674-1-guennadi.liakhovetski@linux.intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [alsa-devel] [PATCH 0/2] [RFC] ASoC: topology: fix access beyond data X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" This is likely incomplete, I haven't reviewed the whole of the topology parsing code, and I haven't tested this yet - neither for actually being a problem without these patches nor for fixing them. This is a preview to give everybody a chance to showt out if I misunderstood something and there isn't actually a problem to be fixed. Thanks Guennadi Guennadi Liakhovetski (2): ASoC: topology: protect against accessing beyond loaded topology data ASoC: topology: don't access beyond topology data sound/soc/soc-topology.c | 37 +++++++++++++++++++++++++++++-------- 1 file changed, 29 insertions(+), 8 deletions(-)