From patchwork Thu Mar 14 18:41:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mimi Zohar X-Patchwork-Id: 10853391 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DE23C6C2 for ; Thu, 14 Mar 2019 18:42:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CC8322A6BC for ; Thu, 14 Mar 2019 18:42:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C0FAC2A6D8; Thu, 14 Mar 2019 18:42:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 15B8E2A6C3 for ; Thu, 14 Mar 2019 18:42:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727832AbfCNSmD (ORCPT ); Thu, 14 Mar 2019 14:42:03 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:56708 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727781AbfCNSmC (ORCPT ); Thu, 14 Mar 2019 14:42:02 -0400 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x2EIeds0032171 for ; Thu, 14 Mar 2019 14:42:00 -0400 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0b-001b2d01.pphosted.com with ESMTP id 2r7v5kgt5w-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 14 Mar 2019 14:42:00 -0400 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 14 Mar 2019 18:41:54 -0000 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x2EIfrRx27787304 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 14 Mar 2019 18:41:53 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 83A8042045; Thu, 14 Mar 2019 18:41:53 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8812A4204C; Thu, 14 Mar 2019 18:41:52 +0000 (GMT) Received: from localhost.ibm.com (unknown [9.80.108.186]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 14 Mar 2019 18:41:52 +0000 (GMT) From: Mimi Zohar To: linux-integrity@vger.kernel.org Cc: linux-kselftest@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Petr Vorel , Dave Young , Matthew Garrett , Mimi Zohar Subject: [PATCH v4 1/8] selftests/kexec: move the IMA kexec_load selftest to selftests/kexec Date: Thu, 14 Mar 2019 14:41:09 -0400 X-Mailer: git-send-email 2.7.5 In-Reply-To: <1552588876-28481-1-git-send-email-zohar@linux.ibm.com> References: <1552588876-28481-1-git-send-email-zohar@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19031418-0020-0000-0000-000003236303 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19031418-0021-0000-0000-0000217568F5 Message-Id: <1552588876-28481-2-git-send-email-zohar@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-14_08:,, 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=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903140130 Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As requested move the existing kexec_load selftest and subsequent kexec tests to the selftests/kexec directory. Suggested-by: Dave Young Signed-off-by: Mimi Zohar --- tools/testing/selftests/Makefile | 2 +- tools/testing/selftests/ima/Makefile | 11 ----- tools/testing/selftests/ima/config | 4 -- tools/testing/selftests/ima/test_kexec_load.sh | 54 ------------------------ tools/testing/selftests/kexec/Makefile | 11 +++++ tools/testing/selftests/kexec/config | 4 ++ tools/testing/selftests/kexec/test_kexec_load.sh | 54 ++++++++++++++++++++++++ 7 files changed, 70 insertions(+), 70 deletions(-) delete mode 100644 tools/testing/selftests/ima/Makefile delete mode 100644 tools/testing/selftests/ima/config delete mode 100755 tools/testing/selftests/ima/test_kexec_load.sh create mode 100644 tools/testing/selftests/kexec/Makefile create mode 100644 tools/testing/selftests/kexec/config create mode 100755 tools/testing/selftests/kexec/test_kexec_load.sh diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 1a2bd15c5b6e..6da1e32d2b99 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -14,11 +14,11 @@ TARGETS += firmware TARGETS += ftrace TARGETS += futex TARGETS += gpio -TARGETS += ima TARGETS += intel_pstate TARGETS += ipc TARGETS += ir TARGETS += kcmp +TARGETS += kexec TARGETS += kvm TARGETS += lib TARGETS += membarrier diff --git a/tools/testing/selftests/ima/Makefile b/tools/testing/selftests/ima/Makefile deleted file mode 100644 index 0b3adf5444b6..000000000000 --- a/tools/testing/selftests/ima/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# Makefile for kexec_load - -uname_M := $(shell uname -m 2>/dev/null || echo not) -ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/) - -ifeq ($(ARCH),x86) -TEST_PROGS := test_kexec_load.sh - -include ../lib.mk - -endif diff --git a/tools/testing/selftests/ima/config b/tools/testing/selftests/ima/config deleted file mode 100644 index 6bc86d4d9bb4..000000000000 --- a/tools/testing/selftests/ima/config +++ /dev/null @@ -1,4 +0,0 @@ -CONFIG_IMA_APPRAISE -CONFIG_IMA_ARCH_POLICY -CONFIG_SECURITYFS -CONFIG_KEXEC_VERIFY_SIG diff --git a/tools/testing/selftests/ima/test_kexec_load.sh b/tools/testing/selftests/ima/test_kexec_load.sh deleted file mode 100755 index 1c10093fb526..000000000000 --- a/tools/testing/selftests/ima/test_kexec_load.sh +++ /dev/null @@ -1,54 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0+ -# Loading a kernel image via the kexec_load syscall should fail -# when the kerne is CONFIG_KEXEC_VERIFY_SIG enabled and the system -# is booted in secureboot mode. - -TEST="$0" -EFIVARFS="/sys/firmware/efi/efivars" -rc=0 - -# Kselftest framework requirement - SKIP code is 4. -ksft_skip=4 - -# kexec requires root privileges -if [ $UID != 0 ]; then - echo "$TEST: must be run as root" >&2 - exit $ksft_skip -fi - -# Make sure that efivars is mounted in the normal location -if ! grep -q "^\S\+ $EFIVARFS efivarfs" /proc/mounts; then - echo "$TEST: efivars is not mounted on $EFIVARFS" >&2 - exit $ksft_skip -fi - -# Get secureboot mode -file="$EFIVARFS/SecureBoot-*" -if [ ! -e $file ]; then - echo "$TEST: unknown secureboot mode" >&2 - exit $ksft_skip -fi -secureboot=`hexdump $file | awk '{print substr($4,length($4),1)}'` - -# kexec_load should fail in secure boot mode -KERNEL_IMAGE="/boot/vmlinuz-`uname -r`" -kexec -l $KERNEL_IMAGE &>> /dev/null -if [ $? == 0 ]; then - kexec -u - if [ "$secureboot" == "1" ]; then - echo "$TEST: kexec_load succeeded [FAIL]" - rc=1 - else - echo "$TEST: kexec_load succeeded [PASS]" - fi -else - if [ "$secureboot" == "1" ]; then - echo "$TEST: kexec_load failed [PASS]" - else - echo "$TEST: kexec_load failed [FAIL]" - rc=1 - fi -fi - -exit $rc diff --git a/tools/testing/selftests/kexec/Makefile b/tools/testing/selftests/kexec/Makefile new file mode 100644 index 000000000000..0b3adf5444b6 --- /dev/null +++ b/tools/testing/selftests/kexec/Makefile @@ -0,0 +1,11 @@ +# Makefile for kexec_load + +uname_M := $(shell uname -m 2>/dev/null || echo not) +ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/) + +ifeq ($(ARCH),x86) +TEST_PROGS := test_kexec_load.sh + +include ../lib.mk + +endif diff --git a/tools/testing/selftests/kexec/config b/tools/testing/selftests/kexec/config new file mode 100644 index 000000000000..6bc86d4d9bb4 --- /dev/null +++ b/tools/testing/selftests/kexec/config @@ -0,0 +1,4 @@ +CONFIG_IMA_APPRAISE +CONFIG_IMA_ARCH_POLICY +CONFIG_SECURITYFS +CONFIG_KEXEC_VERIFY_SIG diff --git a/tools/testing/selftests/kexec/test_kexec_load.sh b/tools/testing/selftests/kexec/test_kexec_load.sh new file mode 100755 index 000000000000..1c10093fb526 --- /dev/null +++ b/tools/testing/selftests/kexec/test_kexec_load.sh @@ -0,0 +1,54 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0+ +# Loading a kernel image via the kexec_load syscall should fail +# when the kerne is CONFIG_KEXEC_VERIFY_SIG enabled and the system +# is booted in secureboot mode. + +TEST="$0" +EFIVARFS="/sys/firmware/efi/efivars" +rc=0 + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +# kexec requires root privileges +if [ $UID != 0 ]; then + echo "$TEST: must be run as root" >&2 + exit $ksft_skip +fi + +# Make sure that efivars is mounted in the normal location +if ! grep -q "^\S\+ $EFIVARFS efivarfs" /proc/mounts; then + echo "$TEST: efivars is not mounted on $EFIVARFS" >&2 + exit $ksft_skip +fi + +# Get secureboot mode +file="$EFIVARFS/SecureBoot-*" +if [ ! -e $file ]; then + echo "$TEST: unknown secureboot mode" >&2 + exit $ksft_skip +fi +secureboot=`hexdump $file | awk '{print substr($4,length($4),1)}'` + +# kexec_load should fail in secure boot mode +KERNEL_IMAGE="/boot/vmlinuz-`uname -r`" +kexec -l $KERNEL_IMAGE &>> /dev/null +if [ $? == 0 ]; then + kexec -u + if [ "$secureboot" == "1" ]; then + echo "$TEST: kexec_load succeeded [FAIL]" + rc=1 + else + echo "$TEST: kexec_load succeeded [PASS]" + fi +else + if [ "$secureboot" == "1" ]; then + echo "$TEST: kexec_load failed [PASS]" + else + echo "$TEST: kexec_load failed [FAIL]" + rc=1 + fi +fi + +exit $rc