From patchwork Tue Nov 14 11:00:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134273 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 0EA9443329; Tue, 14 Nov 2023 12:11:35 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B510D40A79; Tue, 14 Nov 2023 12:10:16 +0100 (CET) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id 707A3402F2 for ; Tue, 14 Nov 2023 12:10:01 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4SV3Tt4kl1zWhGc; Tue, 14 Nov 2023 19:09:38 +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 19:09:59 +0800 From: Jie Hai To: , Nithin Dabilpuram , Kiran Kumar K , Sunil Kumar Kori , Satha Rao , Gowrishankar Muthukrishnan , Jerin Jacob , Harman Kalra CC: , , Subject: [PATCH v3 16/22] common/cnxk: replace strtok with reentrant version Date: Tue, 14 Nov 2023 19:00:00 +0800 Message-ID: <20231114110006.91148-17-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. Fixes: af75aac78978 ("common/cnxk: support telemetry for NIX") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- 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 ccae5d7853af..8054c3cf910c 100644 --- a/drivers/common/cnxk/cnxk_telemetry_nix.c +++ b/drivers/common/cnxk/cnxk_telemetry_nix.c @@ -761,7 +761,7 @@ 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; @@ -769,11 +769,11 @@ 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) @@ -782,7 +782,7 @@ 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) @@ -798,7 +798,7 @@ 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) @@ -814,7 +814,7 @@ 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)