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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 4 Dec 2018 15:34:54 -0000 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id wB4FYrNA11993146 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 4 Dec 2018 15:34:53 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 64B9AAE05C; Tue, 4 Dec 2018 15:34:53 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4EC23AE060; Tue, 4 Dec 2018 15:34:53 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 4 Dec 2018 15:34:53 +0000 (GMT) From: Stefan Berger To: qemu-devel@nongnu.org Date: Tue, 4 Dec 2018 10:34:46 -0500 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181204153447.2462189-1-stefanb@linux.vnet.ibm.com> References: <20181204153447.2462189-1-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 18120415-0064-0000-0000-0000037FF28A X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010170; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000270; SDB=6.01126901; UDB=6.00585285; IPR=6.00907036; MB=3.00024442; MTD=3.00000008; XFM=3.00000015; UTC=2018-12-04 15:34:55 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18120415-0065-0000-0000-00003B8EAEB2 Message-Id: <20181204153447.2462189-3-stefanb@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-12-04_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=681 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1812040132 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx0b-001b2d01.pphosted.com id wB4FWqjH029678 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PULL 2/3] tpm: Make sure new locality passed to tpm_tis_prep_abort() is valid 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: peter.maydell@linaro.org, Stefan Berger , Stefan Berger Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Make sure that the new locality passed to tpm_tis_prep_abort() is valid. Add a comment to aborting_locty that it may be any locality, including TPM_TIS_NO_LOCALITY. Signed-off-by: Stefan Berger Reviewed-by: Marc-Andr=C3=A9 Lureau --- hw/tpm/tpm_tis.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c index 176d424ed9..04e4ad9212 100644 --- a/hw/tpm/tpm_tis.c +++ b/hw/tpm/tpm_tis.c @@ -263,7 +263,9 @@ static void tpm_tis_prep_abort(TPMState *s, uint8_t loc= ty, uint8_t newlocty) { uint8_t busy_locty; =20 - s->aborting_locty =3D locty; + assert(TPM_TIS_IS_VALID_LOCTY(newlocty)); + + s->aborting_locty =3D locty; /* may also be TPM_TIS_NO_LOCALITY */ s->next_locty =3D newlocty; /* locality after successful abort */ =20 /* --=20 2.17.1