From patchwork Tue Nov 14 11:00:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134274 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 177CE43329; Tue, 14 Nov 2023 12:11:43 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3AE8340E96; Tue, 14 Nov 2023 12:10:18 +0100 (CET) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by mails.dpdk.org (Postfix) with ESMTP id DA6404027D for ; Tue, 14 Nov 2023 12:10:01 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4SV3P15zNtzMmjW; Tue, 14 Nov 2023 19:05:25 +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 19:10:00 +0800 From: Jie Hai To: , Pavan Nikhilesh , Shijith Thotton CC: , , Subject: [PATCH v3 17/22] event/cnxk: replace strtok with reentrant version Date: Tue, 14 Nov 2023 19:00:01 +0800 Message-ID: <20231114110006.91148-18-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. The strtok() is non-reentrant, it is better to replace it with a reentrant version. Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- drivers/event/cnxk/cnxk_eventdev.c | 10 ++++++---- drivers/event/cnxk/cnxk_tim_evdev.c | 11 ++++++----- 2 files changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/event/cnxk/cnxk_eventdev.c b/drivers/event/cnxk/cnxk_eventdev.c index 0c61f4c20eec..fe7a86797c25 100644 --- a/drivers/event/cnxk/cnxk_eventdev.c +++ b/drivers/event/cnxk/cnxk_eventdev.c @@ -478,7 +478,8 @@ parse_queue_param(char *value, void *opaque) struct cnxk_sso_qos queue_qos = {0}; uint16_t *val = (uint16_t *)&queue_qos; struct cnxk_sso_evdev *dev = opaque; - char *tok = strtok(value, "-"); + char *sp = NULL; + char *tok = strtok_r(value, "-", &sp); struct cnxk_sso_qos *old_ptr; if (!strlen(value)) @@ -486,7 +487,7 @@ parse_queue_param(char *value, void *opaque) while (tok != NULL) { *val = atoi(tok); - tok = strtok(NULL, "-"); + tok = strtok_r(NULL, "-", &sp); val++; } @@ -514,7 +515,8 @@ parse_stash_param(char *value, void *opaque) struct cnxk_sso_stash queue_stash = {0}; struct cnxk_sso_evdev *dev = opaque; struct cnxk_sso_stash *old_ptr; - char *tok = strtok(value, "|"); + char *sp = NULL; + char *tok = strtok_r(value, "|", &sp); uint16_t *val; if (!strlen(value)) @@ -523,7 +525,7 @@ parse_stash_param(char *value, void *opaque) val = (uint16_t *)&queue_stash; while (tok != NULL) { *val = atoi(tok); - tok = strtok(NULL, "|"); + tok = strtok_r(NULL, "|", &sp); val++; } diff --git a/drivers/event/cnxk/cnxk_tim_evdev.c b/drivers/event/cnxk/cnxk_tim_evdev.c index 6d59fdf90983..86ef7dc3d578 100644 --- a/drivers/event/cnxk/cnxk_tim_evdev.c +++ b/drivers/event/cnxk/cnxk_tim_evdev.c @@ -420,7 +420,8 @@ cnxk_tim_parse_ring_param(char *value, void *opaque) { struct cnxk_tim_evdev *dev = opaque; struct cnxk_tim_ctl ring_ctl = {0}; - char *tok = strtok(value, "-"); + char *sp = NULL; + char *tok = strtok_r(value, "-", &sp); struct cnxk_tim_ctl *old_ptr; uint16_t *val; @@ -431,7 +432,7 @@ cnxk_tim_parse_ring_param(char *value, void *opaque) while (tok != NULL) { *val = atoi(tok); - tok = strtok(NULL, "-"); + tok = strtok_r(NULL, "-", &sp); val++; } @@ -507,16 +508,16 @@ cnxk_tim_parse_clk_list(const char *value, void *opaque) ROC_TIM_CLK_SRC_INVALID}; struct cnxk_tim_evdev *dev = opaque; char *str = strdup(value); - char *tok; + char *tok, *sp = NULL; int i = 0; if (str == NULL || !strlen(str)) goto free; - tok = strtok(str, "-"); + tok = strtok_r(str, "-", &sp); while (tok != NULL && src[i] != ROC_TIM_CLK_SRC_INVALID) { dev->ext_clk_freq[src[i]] = strtoull(tok, NULL, 10); - tok = strtok(NULL, "-"); + tok = strtok_r(NULL, "-", &sp); i++; }