From patchwork Tue Nov 14 08:41:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134253 X-Patchwork-Delegate: thomas@monjalon.net 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 38C8443325; Tue, 14 Nov 2023 09:49:17 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 679BF41101; Tue, 14 Nov 2023 09:47:40 +0100 (CET) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by mails.dpdk.org (Postfix) with ESMTP id 8EF3640A79 for ; Tue, 14 Nov 2023 09:47:23 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4SV0DR4DcjzMmnS; Tue, 14 Nov 2023 16:42:47 +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 16:47:21 +0800 From: Jie Hai To: , Thomas Monjalon CC: , , Subject: [PATCH v2 22/22] devtools: check for some reentrant function Date: Tue, 14 Nov 2023 16:41:33 +0800 Message-ID: <20231114084133.3573959-23-haijie1@huawei.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20231114084133.3573959-1-haijie1@huawei.com> References: <20231113104550.2138654-1-haijie1@huawei.com> <20231114084133.3573959-1-haijie1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.2] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) 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..0a936219c069 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_s' \ + -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))\\\(" \