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Thu, 2 Jul 2020 05:50:05 +0000 (GMT) Received: from b03ledav003.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 26FD56A04D; Thu, 2 Jul 2020 05:50:05 +0000 (GMT) Received: from Buonos-Thinkpad-X1.ibm.com (unknown [9.160.82.151]) by b03ledav003.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 2 Jul 2020 05:50:04 +0000 (GMT) From: Daniele Buono To: qemu-devel@nongnu.org Subject: [PATCH 1/2] check-block: enable iotests with cfi-icall Date: Thu, 2 Jul 2020 01:49:47 -0400 Message-Id: <20200702054948.10257-2-dbuono@linux.vnet.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200702054948.10257-1-dbuono@linux.vnet.ibm.com> References: <20200702054948.10257-1-dbuono@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=2020-07-02_02:2020-07-01, 2020-07-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 cotscore=-2147483648 clxscore=1015 impostorscore=0 mlxlogscore=777 spamscore=0 mlxscore=0 suspectscore=1 phishscore=0 adultscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007020037 Received-SPF: none client-ip=148.163.156.1; envelope-from=dbuono@linux.vnet.ibm.com; helo=mx0a-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/02 01:50:06 X-ACL-Warn: Detected OS = Linux 3.x [generic] [fuzzy] 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, URIBL_BLOCKED=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: Paolo Bonzini , Daniele Buono Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" cfi-icall is a form of Control-Flow Integrity for indirect function calls implemented by llvm. It is enabled with a -fsanitize flag. iotests are currently disabled when -fsanitize options is used, with the exception of SafeStack. This patch implements a generic filtering mechanism to allow iotests with a set of known-to-be-safe -fsanitize option. Then mark SafeStack and the new options used for cfi-icall safe for iotests Signed-off-by: Daniele Buono --- tests/check-block.sh | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/tests/check-block.sh b/tests/check-block.sh index 8e29c868e5..7691213bd9 100755 --- a/tests/check-block.sh +++ b/tests/check-block.sh @@ -21,14 +21,18 @@ if grep -q "CONFIG_GPROF=y" config-host.mak 2>/dev/null ; then exit 0 fi -# Disable tests with any sanitizer except for SafeStack -CFLAGS=$( grep "CFLAGS.*-fsanitize" config-host.mak 2>/dev/null ) -SANITIZE_FLAGS="" -#Remove all occurrencies of -fsanitize=safe-stack -for i in ${CFLAGS}; do - if [ "${i}" != "-fsanitize=safe-stack" ]; then - SANITIZE_FLAGS="${SANITIZE_FLAGS} ${i}" +# Disable tests with any sanitizer except for specific ones +SANITIZE_FLAGS=$( grep "CFLAGS.*-fsanitize" config-host.mak 2>/dev/null ) +ALLOWED_SANITIZE_FLAGS="safe-stack cfi-icall sanitize-blacklist" +#Remove all occurrencies of allowed Sanitize flags +for j in ${ALLOWED_SANITIZE_FLAGS}; do + TMP_FLAGS=${SANITIZE_FLAGS} + SANITIZE_FLAGS="" + for i in ${TMP_FLAGS}; do + if ! echo ${i} | grep -q "${j}" 2>/dev/null; then + SANITIZE_FLAGS="${SANITIZE_FLAGS} ${i}" fi + done done if echo ${SANITIZE_FLAGS} | grep -q "\-fsanitize" 2>/dev/null; then # Have a sanitize flag that is not allowed, stop