From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70C28C61DE4 for ; Mon, 31 Aug 2026 02:43:04 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C9F6740DDA; Mon, 31 Aug 2026 04:43:03 +0200 (CEST) Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) by mails.dpdk.org (Postfix) with ESMTP id 60EDB40E01; Mon, 31 Aug 2026 04:43:01 +0200 (CEST) Received: from localhost.localdomain (unknown [118.112.177.181]) by APP-03 (Coremail) with SMTP id rQCowADH0T8z6pRqdNWjBg--.54822S2; Mon, 31 Aug 2026 10:42:59 +0800 (CST) From: liujie5@linkdatatechnology.com To: stephen@networkplumber.org Cc: dev@dpdk.org, Jie Liu , stable@dpdk.org Subject: [PATCH v7 20/47] net/sxe2: fix null dereference in dev uninit Date: Mon, 31 Aug 2026 10:42:59 +0800 Message-ID: <20260831024259.3230804-1-liujie5@linkdatatechnology.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260828074056.2250222-1-liujie5@linkdatatechnology.com> References: <20260828074056.2250222-1-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowADH0T8z6pRqdNWjBg--.54822S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr1UAw4xCw48XFW5ZF45trb_yoW8GryUpF 4xWa15tFyagF15Wa1fXa1xXF109F48t34UCrWYy343uF93Xrn7Ary3GFyrtr48GrZ7ZF1F vFy7Zr1kKrnYgaDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkC14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr 1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv 7VC0I7IYx2IY67AKxVWUtVWrXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r 1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwAKzVCY07xG64k0 F24l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxV WUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI 7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Ar0_tr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r 4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4U MIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvjfU8KsjUU UUU X-Originating-IP: [118.112.177.181] X-CM-SenderInfo: xolxyxrhv6zxpqngt3pdwhux5qro0w31of0z/ 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 From: Jie Liu sxe2_dev_uninit() calls rep_dev->dev_ops->dev_close() for each VF representor without checking that dev_ops or dev_close is present, which can crash when the representor device is not fully initialized. Guard the call with NULL checks. Fixes: 635084db5d57 ("net/sxe2: support VF representors") Cc: stable@dpdk.org Cc: stephen@networkplumber.org Signed-off-by: Jie Liu --- drivers/net/sxe2/sxe2_ethdev.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/sxe2/sxe2_ethdev.c b/drivers/net/sxe2/sxe2_ethdev.c index fdff4ae10f..41ea67a607 100644 --- a/drivers/net/sxe2/sxe2_ethdev.c +++ b/drivers/net/sxe2/sxe2_ethdev.c @@ -2074,9 +2074,11 @@ static int32_t sxe2_dev_uninit(struct rte_eth_dev *dev) for (i = 0; i < adapter->repr_ctxt.nb_repr_vf; i++) { rep_dev = adapter->repr_ctxt.vf_rep_eth_dev[i]; if (rep_dev) { - ret = rep_dev->dev_ops->dev_close(rep_dev); - if (ret) - goto l_end; + if (rep_dev->dev_ops && rep_dev->dev_ops->dev_close) { + ret = rep_dev->dev_ops->dev_close(rep_dev); + if (ret) + goto l_end; + } if (rep_dev->intr_handle) rte_intr_instance_free(rep_dev->intr_handle); ret = rte_eth_dev_release_port(rep_dev); -- 2.52.0