From nobody Fri May 3 05:10:53 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=oracle.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1554753107607612.8184777691496; Mon, 8 Apr 2019 12:51:47 -0700 (PDT) Received: from localhost ([127.0.0.1]:58138 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hDaIs-0006S7-8g for importer@patchew.org; Mon, 08 Apr 2019 15:51:38 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38329) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hDZa4-0003SK-Bl for qemu-devel@nongnu.org; Mon, 08 Apr 2019 15:05:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hDZZy-0008UB-O0 for qemu-devel@nongnu.org; Mon, 08 Apr 2019 15:05:16 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:38338) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hDZZu-0008OB-UP for qemu-devel@nongnu.org; Mon, 08 Apr 2019 15:05:12 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x38In077157615; Mon, 8 Apr 2019 19:05:03 GMT Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2120.oracle.com with ESMTP id 2rpmrq0efv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 08 Apr 2019 19:05:03 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x38J4P3r141846; Mon, 8 Apr 2019 19:05:02 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3030.oracle.com with ESMTP id 2rph7s65d3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 08 Apr 2019 19:05:02 +0000 Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x38J513r024211; Mon, 8 Apr 2019 19:05:01 GMT Received: from ca-virt2-2.us.oracle.com (/10.211.11.112) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 08 Apr 2019 12:05:01 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id; s=corp-2018-07-02; bh=ZNrDtSWIMlyI8qE2QjJMmr3wLtkOZtYqEK3sdY7bBes=; b=nQsKz5ihiyk2Abng6NGyBal5FYJNaNPzo3MTa9Ig9zS/0I5YONYbstwVuN1df71Cgfyt TkA9AgTIp5GmzeWUcC9Z6Ww6xQE9S9f3Ie0OIFhTTkj223jzxKwddkZXNJh0yCzVCFnR 058Kz9u70tiEH7LXqXF2gxAlh3ZxjdzIds/ugdd+WMEY5OWTTwQlmA7A4NJRec1PrlGj BJi5Im3nrkjOsrPnXU4tNInvI9ytqv4tYj34KEfzwyGnQqoATYHz61mEgovkJYhuiP9Q xi3jEJH4kmddFhRNUWS4NsnpTpdZhzjSdF6rwS3Gvfdf7te5R4hpZntJyA5N+c60yq77 GQ== From: Lidong Chen To: qemu-devel@nongnu.org Date: Mon, 8 Apr 2019 15:04:36 -0400 Message-Id: <1554750276-19230-1-git-send-email-lidong.chen@oracle.com> X-Mailer: git-send-email 1.8.3.1 X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9221 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=849 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904080148 X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9221 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=878 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904080148 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 156.151.31.85 X-Mailman-Approved-At: Mon, 08 Apr 2019 15:50:38 -0400 Subject: [Qemu-devel] [PATCH] sd: Fix out-of-bounds assertions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lidong.chen@oracle.com, darren.kenny@oracle.com, f4bug@amsat.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Due to an off-by-one error, the assert statements allow an out-of-bounds array access. Signed-off-by: Lidong Chen Reviewed-by: Li Qiang Reviewed-by: Liam Merwick Reviewed-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/sd/sd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index aaab15f..818f86c 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -144,7 +144,7 @@ static const char *sd_state_name(enum SDCardStates stat= e) if (state =3D=3D sd_inactive_state) { return "inactive"; } - assert(state <=3D ARRAY_SIZE(state_name)); + assert(state < ARRAY_SIZE(state_name)); return state_name[state]; } =20 @@ -165,7 +165,7 @@ static const char *sd_response_name(sd_rsp_type_t rsp) if (rsp =3D=3D sd_r1b) { rsp =3D sd_r1; } - assert(rsp <=3D ARRAY_SIZE(response_name)); + assert(rsp < ARRAY_SIZE(response_name)); return response_name[rsp]; } =20 --=20 1.8.3.1