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 97D50C624D6 for ; Thu, 3 Sep 2026 01:55:47 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3494D42791; Thu, 3 Sep 2026 03:55:45 +0200 (CEST) Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) by mails.dpdk.org (Postfix) with ESMTP id 89CBF4275C; Thu, 3 Sep 2026 03:55:43 +0200 (CEST) Received: from localhost.localdomain (unknown [118.112.177.181]) by APP-05 (Coremail) with SMTP id zQCowABnlkCZ05hqYRVABw--.38240S2; Thu, 03 Sep 2026 09:55:37 +0800 (CST) From: liujie5@linkdatatechnology.com To: stephen@networkplumber.org Cc: dev@dpdk.org, Jie Liu , stable@dpdk.org Subject: [PATCH v10 18/48] net/sxe2: validate PCI map resource type Date: Thu, 3 Sep 2026 09:55:37 +0800 Message-ID: <20260903015537.162026-1-liujie5@linkdatatechnology.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260902021650.83354-1-liujie5@linkdatatechnology.com> References: <20260902021650.83354-1-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: zQCowABnlkCZ05hqYRVABw--.38240S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr1UuF1rAw1DArWxCryUJrb_yoW8Gr18pF 40qr1UZF1YqF13Kr45ta1xZFy5Kw4UJrWq9FZxX3sakFy7XryUZr15ta45Kr1UCws7X3WS yr47Aa1DWas8ZaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkv14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26r4j6ryUM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26F4j 6r4UJwA2z4x0Y4vEx4A2jsIE14v26r4j6F4UM28EF7xvwVC2z280aVCY1x0267AKxVW8JV W8Jr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jw0_WrylYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lw4CEc2x0rVAKj4xx MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr 0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0E wIxGrwCI42IY6xIIjxv20xvE14v26r4j6ryUMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWxJV W8Jr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF 0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JU4v38UUUUU= 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_pci_res_seg_map() indexes adapter->map_ctxt.addr_info[] with res_type without bounds checking, which can access out of bounds when an invalid resource type is passed. Add a bounds check on res_type and return -EINVAL. Fixes: 66a10eb60ebe ("net/sxe2: add PCI BAR mapping") Cc: stable@dpdk.org Cc: stephen@networkplumber.org Signed-off-by: Jie Liu --- drivers/net/sxe2/sxe2_ethdev.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/sxe2/sxe2_ethdev.c b/drivers/net/sxe2/sxe2_ethdev.c index 589f09c113..9ef93b8076 100644 --- a/drivers/net/sxe2/sxe2_ethdev.c +++ b/drivers/net/sxe2/sxe2_ethdev.c @@ -1552,6 +1552,12 @@ int32_t sxe2_dev_pci_res_seg_map(struct sxe2_adapter *adapter, struct sxe2_pci_map_addr_info *addr_info = NULL; int32_t ret = 0; + if (unlikely(res_type >= SXE2_PCI_MAP_RES_MAX_COUNT)) { + PMD_DEV_LOG_ERR(adapter, INIT, "Invalid resource type %u", res_type); + ret = -EINVAL; + goto l_end; + } + addr_info = &adapter->map_ctxt.addr_info[res_type]; if (!addr_info || addr_info->bar_idx == SXE2_PCI_MAP_BAR_INVALID) { PMD_DEV_LOG_ERR(adapter, INIT, "Invalid bar index with resource type %d", res_type); -- 2.52.0