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 93726427E0; Mon, 20 Mar 2023 10:29:01 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 04FF442D46; Mon, 20 Mar 2023 10:28:17 +0100 (CET) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id 57AAA427E9 for ; Mon, 20 Mar 2023 10:28:06 +0100 (CET) Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Pg8Wr3HhszrVPR; Mon, 20 Mar 2023 17:27:04 +0800 (CST) Received: from localhost.localdomain (10.50.163.32) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Mon, 20 Mar 2023 17:28:03 +0800 From: Chengwen Feng To: , , Rahul Lakkireddy , Kumar Sanghvi , Shagun Agrawal , Karra Satwik CC: Subject: [PATCH v2 10/44] net/cxgbe: fix segment fault when parse devargs Date: Mon, 20 Mar 2023 09:20:36 +0000 Message-ID: <20230320092110.37295-11-fengchengwen@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230320092110.37295-1-fengchengwen@huawei.com> References: <20230314124813.39521-1-fengchengwen@huawei.com> <20230320092110.37295-1-fengchengwen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.50.163.32] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpeml500024.china.huawei.com (7.185.36.10) 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 The rte_kvargs_process() was used to parse KV pairs, it also supports to parse 'only keys' (e.g. socket_id) type. And the callback function parameter 'value' is NULL when parsed 'only keys'. This patch fixes segment fault when parse input args with 'only keys'. Fixes: cda260a4ac1a ("net/cxgbe: add option to keep outer VLAN tag in QinQ") Fixes: dd7c9f12762e ("net/cxgbe: separate VF only devargs") Fixes: 536db938a444 ("net/cxgbe: add devargs to control filtermode and filtermask") Cc: stable@dpdk.org Signed-off-by: Chengwen Feng --- drivers/net/cxgbe/cxgbe_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/cxgbe/cxgbe_main.c b/drivers/net/cxgbe/cxgbe_main.c index f8dd833032..2f2acbcf5a 100644 --- a/drivers/net/cxgbe/cxgbe_main.c +++ b/drivers/net/cxgbe/cxgbe_main.c @@ -746,6 +746,9 @@ void cxgbe_print_port_info(struct adapter *adap) static int check_devargs_handler(const char *key, const char *value, void *p) { + if (value == NULL) + return -EINVAL; + if (!strncmp(key, CXGBE_DEVARG_CMN_KEEP_OVLAN, strlen(key)) || !strncmp(key, CXGBE_DEVARG_CMN_TX_MODE_LATENCY, strlen(key)) || !strncmp(key, CXGBE_DEVARG_VF_FORCE_LINK_UP, strlen(key))) { -- 2.17.1