From patchwork Tue Sep 20 13:15:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Berger X-Patchwork-Id: 12982155 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3196C54EE9 for ; Tue, 20 Sep 2022 13:15:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230419AbiITNPm (ORCPT ); Tue, 20 Sep 2022 09:15:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230511AbiITNPf (ORCPT ); Tue, 20 Sep 2022 09:15:35 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D5EF3DF18; Tue, 20 Sep 2022 06:15:33 -0700 (PDT) Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 28KD0JFt026187; Tue, 20 Sep 2022 13:15:30 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=PYIvYTAAdCiZxua/KpMy+T+6zdoN1f7wb9Ci3NDqtGk=; b=E3U/G4CPYZHfLQo34pCSP0RKwpxO3ZRWUSo5ViEuMwg4y9uM2rUTiU6PwEkahX41p6z9 2kDHWcZ8Es3eRZxMqGs26dUF4NPeB0uefbPjo0e1Sh0C3h7om1eHwt+EKpTGOUl88gCh 04umVxAIIb2tJ1hqNlB4bGfubeZLiDYp1Ewr3xs6kjKGuCth7E8IdwbeMSFSZiHx4OCj wQFn9CnAjpNEtt1UspJo34+ZX1UUjntNtC0NLckDfvIasVOZXBFjNtS6492wyw7VB7bH w2qvKIjN6oaJQhh/dmzcft+kcraqK+CJddTo2xzhQLF6O/vhfwZBmaGO+9i9t1anMnfy QA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3jqe17gtp9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 20 Sep 2022 13:15:30 +0000 Received: from m0127361.ppops.net (m0127361.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 28KD0gQe028275; Tue, 20 Sep 2022 13:15:29 GMT Received: from ppma02dal.us.ibm.com (a.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.10]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3jqe17gtn3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 20 Sep 2022 13:15:29 +0000 Received: from pps.filterd (ppma02dal.us.ibm.com [127.0.0.1]) by ppma02dal.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 28KD701H030978; Tue, 20 Sep 2022 13:15:28 GMT Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by ppma02dal.us.ibm.com with ESMTP id 3jn5v9rutx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 20 Sep 2022 13:15:28 +0000 Received: from smtpav05.wdc07v.mail.ibm.com ([9.208.128.117]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 28KDFRBF31195426 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 20 Sep 2022 13:15:27 GMT Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 377C55805F; Tue, 20 Sep 2022 13:15:27 +0000 (GMT) Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6BC2458053; Tue, 20 Sep 2022 13:15:26 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by smtpav05.wdc07v.mail.ibm.com (Postfix) with ESMTP; Tue, 20 Sep 2022 13:15:26 +0000 (GMT) From: Stefan Berger To: jarkko@kernel.org, linux-integrity@vger.kernel.org Cc: peterhuewe@gmx.de, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, skhan@linuxfoundation.org, shuah@kernel.org, Stefan Berger Subject: [PATCH v2] selftest: tpm2: Add Client.__del__() to close /dev/tpm* handle Date: Tue, 20 Sep 2022 09:15:18 -0400 Message-Id: <20220920131518.1984701-1-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Scym3ii4UvSkSUb59rvM09EGyQVHtVLS X-Proofpoint-GUID: ogfoCpxp-5wj3ziIDOFJQjEk-7AzJsrT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-20_04,2022-09-20_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 impostorscore=0 suspectscore=0 mlxlogscore=533 lowpriorityscore=0 adultscore=0 priorityscore=1501 malwarescore=0 mlxscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2209200077 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org The following output can bee seen when the test is executed: test_flush_context (tpm2_tests.SpaceTest) ... \ /usr/lib64/python3.6/unittest/case.py:605: ResourceWarning: \ unclosed file <_io.FileIO name='/dev/tpmrm0' mode='rb+' closefd=True> An instance of Client does not implicitly close /dev/tpm* handle, once it gets destroyed. Close the file handle in the class destructor Client.__del__(). Fixes: 6ea3dfe1e0732 ("selftests: add TPM 2.0 tests") Cc: Shuah Khan Cc: linux-kselftest@vger.kernel.org Cc: Jarkko Sakkinen Signed-off-by: Stefan Berger Reviewed-by: Jarkko Sakkinen --- tools/testing/selftests/tpm2/tpm2.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/tpm2/tpm2.py b/tools/testing/selftests/tpm2/tpm2.py index 057a4f49c79d..c7363c6764fc 100644 --- a/tools/testing/selftests/tpm2/tpm2.py +++ b/tools/testing/selftests/tpm2/tpm2.py @@ -371,6 +371,10 @@ class Client: fcntl.fcntl(self.tpm, fcntl.F_SETFL, flags) self.tpm_poll = select.poll() + def __del__(self): + if self.tpm: + self.tpm.close() + def close(self): self.tpm.close()