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Tue, 7 Jul 2020 04:05:24 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 03AB1AE062; Tue, 7 Jul 2020 04:05:24 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 7 Jul 2020 04:05:23 +0000 (GMT) From: Stefan Berger To: qemu-ppc@nongnu.org, marcandre.lureau@redhat.com Subject: [PATCH v2 2/2] tests: Skip over pcrUpdateCounter byte in result comparison Date: Tue, 7 Jul 2020 00:05:22 -0400 Message-Id: <20200707040522.4013885-3-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200707040522.4013885-1-stefanb@linux.vnet.ibm.com> References: <20200707040522.4013885-1-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-07_01:2020-07-06, 2020-07-06 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 cotscore=-2147483648 adultscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 mlxscore=0 bulkscore=0 malwarescore=0 phishscore=0 spamscore=0 priorityscore=1501 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007070025 Received-SPF: none client-ip=148.163.158.5; envelope-from=stefanb@linux.vnet.ibm.com; helo=mx0a-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/07 00:05:31 X-ACL-Warn: Detected OS = Linux 3.x [generic] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: Stefan Berger , Stefan Berger , qemu-devel@nongnu.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Due to a change in the TPM 2 code the pcrUpdate counter in the PCRRead response is now different, so we skip comparison of the 14th byte. Signed-off-by: Stefan Berger --- tests/qtest/tpm-util.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tests/qtest/tpm-util.c b/tests/qtest/tpm-util.c index 34efae8f18..58a9593745 100644 --- a/tests/qtest/tpm-util.c +++ b/tests/qtest/tpm-util.c @@ -139,7 +139,11 @@ void tpm_util_pcrread(QTestState *s, tx_func *tx, tx(s, tpm_pcrread, sizeof(tpm_pcrread), buffer, sizeof(buffer)); - g_assert_cmpmem(buffer, exp_resp_size, exp_resp, exp_resp_size); + /* skip pcrUpdateCounter (14th byte) in comparison */ + g_assert(exp_resp_size >= 15); + g_assert_cmpmem(buffer, 13, exp_resp, 13); + g_assert_cmpmem(&buffer[14], exp_resp_size - 14, + &exp_resp[14], exp_resp_size - 14); } bool tpm_util_swtpm_has_tpm2(void)