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Wed, 19 Jun 2019 19:16:29 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3030.oracle.com with ESMTP id 2t7rdwtkvn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 19 Jun 2019 19:16:29 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x5JJGSkQ008841; Wed, 19 Jun 2019 19:16:28 GMT Received: from ca-virt2-2.us.oracle.com (/10.211.11.112) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 19 Jun 2019 12:16:27 -0700 From: Lidong Chen To: qemu-devel@nongnu.org Date: Wed, 19 Jun 2019 15:14:46 -0400 Message-Id: <6b19cb7359a10a6bedc3ea0fce22fed3ef93c102.1560806687.git.lidong.chen@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9293 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906190157 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9293 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906190157 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by userp2120.oracle.com id x5JJ8ZxT074719 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 156.151.31.85 Subject: [Qemu-devel] [Qemu-devel PATCH v3 1/2] sd: Fix out-of-bounds assertions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, berrange@redhat.com, liq3ea@gmail.com, f4bug@amsat.org, armbru@redhat.com, lidong.chen@oracle.com, darren.kenny@oracle.com, liran.alon@oracle.com, marcandre.lureau@gmail.com, amarkovic@wavecomp.com, pbonzini@redhat.com, philmd@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Due to an off-by-one error, the assert statements allow an out-of-bound array access. Signed-off-by: Lidong Chen Reviewed-by: Liam Merwick Reviewed-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Li Qiang Reviewed-by: Darren Kenny --- 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 st= ate) 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