From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id BCED545BDF; Sat, 26 Oct 2024 12:27:04 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id F32F840A70; Sat, 26 Oct 2024 12:26:07 +0200 (CEST) Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) by mails.dpdk.org (Postfix) with ESMTP id 7809E4065B for ; Sat, 26 Oct 2024 12:25:52 +0200 (CEST) Received: from mail.maildlp.com (unknown [172.19.163.44]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4XbG043DWdz1HLWK; Sat, 26 Oct 2024 18:21:24 +0800 (CST) Received: from kwepemf500004.china.huawei.com (unknown [7.202.181.242]) by mail.maildlp.com (Postfix) with ESMTPS id 9AE5C1400D3; Sat, 26 Oct 2024 18:25:48 +0800 (CST) Received: from localhost.localdomain (10.28.79.22) by kwepemf500004.china.huawei.com (7.202.181.242) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Sat, 26 Oct 2024 18:25:47 +0800 From: Jie Hai To: , , , Nithin Dabilpuram , Kiran Kumar K , Sunil Kumar Kori , Satha Rao , Harman Kalra , Jerin Jacob , Gowrishankar Muthukrishnan CC: , , , Subject: [PATCH v4 08/13] common/cnxk: replace strtok with reentrant version Date: Sat, 26 Oct 2024 18:14:46 +0800 Message-ID: <20241026101451.29135-9-haijie1@huawei.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20241026101451.29135-1-haijie1@huawei.com> References: <20231113104550.2138654-1-haijie1@huawei.com> <20241026101451.29135-1-haijie1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.28.79.22] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemf500004.china.huawei.com (7.202.181.242) 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. Fixes: af75aac78978 ("common/cnxk: support telemetry for NIX") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng Acked-by: Morten Brørup --- drivers/common/cnxk/cnxk_telemetry_nix.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/common/cnxk/cnxk_telemetry_nix.c b/drivers/common/cnxk/cnxk_telemetry_nix.c index abeefafe1e19..00b8ab9e5c18 100644 --- a/drivers/common/cnxk/cnxk_telemetry_nix.c +++ b/drivers/common/cnxk/cnxk_telemetry_nix.c @@ -1015,7 +1015,7 @@ cnxk_nix_tel_handle_info_x(const char *cmd, const char *params, struct plt_tel_data *d) { struct nix_tel_node *node; - char *name, *param; + char *name, *param, *sp = NULL; char buf[1024]; int rc = -1; @@ -1023,11 +1023,11 @@ cnxk_nix_tel_handle_info_x(const char *cmd, const char *params, goto exit; plt_strlcpy(buf, params, PCI_PRI_STR_SIZE + 1); - name = strtok(buf, ","); + name = strtok_r(buf, ",", &sp); if (name == NULL) goto exit; - param = strtok(NULL, "\0"); + param = strtok_r(NULL, "\0", &sp); node = nix_tel_node_get_by_pcidev_name(name); if (!node) @@ -1036,7 +1036,7 @@ cnxk_nix_tel_handle_info_x(const char *cmd, const char *params, plt_tel_data_start_dict(d); if (strstr(cmd, "rq")) { - char *tok = strtok(param, ","); + char *tok = strtok_r(param, ",", &sp); int rq; if (!tok) @@ -1052,7 +1052,7 @@ cnxk_nix_tel_handle_info_x(const char *cmd, const char *params, rc = cnxk_tel_nix_rq(node->rqs[rq], d); } else if (strstr(cmd, "cq")) { - char *tok = strtok(param, ","); + char *tok = strtok_r(param, ",", &sp); int cq; if (!tok) @@ -1068,7 +1068,7 @@ cnxk_nix_tel_handle_info_x(const char *cmd, const char *params, rc = cnxk_tel_nix_cq(node->cqs[cq], d); } else if (strstr(cmd, "sq")) { - char *tok = strtok(param, ","); + char *tok = strtok_r(param, ",", &sp); int sq; if (!tok) -- 2.22.0