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 C4FE1C5DF97 for ; Wed, 26 Aug 2026 08:57:40 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8C63D40DDB; Wed, 26 Aug 2026 10:57:19 +0200 (CEST) Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) by mails.dpdk.org (Postfix) with ESMTP id 9F23C4067B for ; Wed, 26 Aug 2026 10:57:17 +0200 (CEST) Received: from localhost.localdomain (unknown [118.112.177.181]) by APP-03 (Coremail) with SMTP id rQCowAD3AUBrqo5qqeVMBg--.37547S2; Wed, 26 Aug 2026 16:57:15 +0800 (CST) From: liujie5@linkdatatechnology.com To: stephen@networkplumber.org Cc: dev@dpdk.org Subject: [PATCH v3 37/51] net/sxe2: validate representor ID against VF count Date: Wed, 26 Aug 2026 16:57:15 +0800 Message-ID: <20260826085715.992103-1-liujie5@linkdatatechnology.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260818021518.2922515-14-liujie5@linkdatatechnology.com> References: <20260818021518.2922515-14-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowAD3AUBrqo5qqeVMBg--.37547S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr15Zw4fCF1ftr48uF1ftFb_yoW8Gw47pr ZFgw45ZryUGFnxX3WDG3Z7uFy5Kw48G3yjka1Fv3WfCF17CryUCr98Ka4rtFyqy39rZw1f Aa17ZryUWw1rAF7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkSb7Iv0xC_Cr1lb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4 vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40E FcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWrXVW3AwAv7VC2z280aVAFwI0_Gr 0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4kE6xkIj40Ew7xC0wCF 04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r 18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jrv_JF1lIxkGc2Ij64vI r41lIxAIcVC0I7IYx2IY67AKxVW5JVW7JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr 1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY 6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUVNtxUUUUU 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_switchdev_repr_private_data_init() indexes parent_adapter->repr_ctxt.repr_vf_id[repr_id] without checking that repr_id is within the number of configured VFs, which can access out of bounds when an invalid representor ID is passed. Add a bounds check on repr_id against repr_ctxt.nb_vf and return -EINVAL on the error path. Cc: stable@dpdk.org Cc: stephen@networkplumber.org Signed-off-by: Jie Liu --- drivers/net/sxe2/sxe2_switchdev.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/sxe2/sxe2_switchdev.c b/drivers/net/sxe2/sxe2_switchdev.c index efb1468b91..d0304ccc94 100644 --- a/drivers/net/sxe2/sxe2_switchdev.c +++ b/drivers/net/sxe2/sxe2_switchdev.c @@ -312,6 +312,12 @@ int32_t sxe2_switchdev_repr_private_data_init(struct rte_eth_dev *dev, repr_priv_data->repr_q_id = repr_id; repr_priv_data->repr_pf_id = parent_adapter->pf_idx; repr_priv_data->repr_vf_id = repr_id; + if (repr_id >= parent_adapter->repr_ctxt.nb_vf) { + PMD_LOG_ERR(INIT, "repr_id %u exceed max vf %u", + repr_id, parent_adapter->repr_ctxt.nb_vf); + ret = -EINVAL; + goto l_free; + } repr_priv_data->repr_vf_primary_vsi_id = parent_adapter->repr_ctxt.repr_vf_id[repr_id].kernel_vsi_id; repr_priv_data->repr_vf_backup_vsi_id = -- 2.52.0