From patchwork Tue Nov 14 11:00:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134279 X-Patchwork-Delegate: david.marchand@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3CF7043329; Tue, 14 Nov 2023 12:12:18 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1BE3E410D5; Tue, 14 Nov 2023 12:10:24 +0100 (CET) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id 6252E406BA for ; Tue, 14 Nov 2023 12:10:04 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4SV3PW1lqJzPnjf; Tue, 14 Nov 2023 19:05:51 +0800 (CST) Received: from localhost.localdomain (10.67.165.2) by kwepemd100004.china.huawei.com (7.221.188.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.1258.23; Tue, 14 Nov 2023 19:10:02 +0800 From: Jie Hai To: , Thomas Monjalon CC: , , Subject: [PATCH v3 22/22] devtools: check for some reentrant function Date: Tue, 14 Nov 2023 19:00:06 +0800 Message-ID: <20231114110006.91148-23-haijie1@huawei.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20231114110006.91148-1-haijie1@huawei.com> References: <20231113104550.2138654-1-haijie1@huawei.com> <20231114110006.91148-1-haijie1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.2] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemd100004.china.huawei.com (7.221.188.31) X-CFilter-Loop: Reflected X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Multiple threads calling the same function may cause condition race issues, which often leads to abnormal behavior and can cause more serious vulnerabilities such as abnormal termination, denial of service, and compromised data integrity. This patch adds check in checkpatches.sh for strtok, which is non-reentrant. Signed-off-by: Jie Hai --- devtools/checkpatches.sh | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/devtools/checkpatches.sh b/devtools/checkpatches.sh index 066449d147e8..e831fc723dfb 100755 --- a/devtools/checkpatches.sh +++ b/devtools/checkpatches.sh @@ -119,6 +119,14 @@ check_forbidden_additions() { # -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \ "$1" || res=1 + # refrain from using some non-reentrant functions + awk -v FOLDERS="lib drivers app examples" \ + -v EXPRESSIONS="strtok\\\(" \ + -v RET_ON_FAIL=1 \ + -v MESSAGE='Using non-reentrant function strtok, prefer strtok_r' \ + -f $(dirname $(readlink -f $0))/check-forbidden-tokens.awk \ + "$1" || res=1 + # refrain from using some pthread functions awk -v FOLDERS="lib drivers app examples" \ -v EXPRESSIONS="pthread_(create|join|detach|set(_?name_np|affinity_np)|attr_set(inheritsched|schedpolicy))\\\(" \