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 DE39FC61DB9 for ; Fri, 28 Aug 2026 07:38:30 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8C34C40A76; Fri, 28 Aug 2026 09:38:28 +0200 (CEST) Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) by mails.dpdk.org (Postfix) with ESMTP id 0AF4F406B7 for ; Fri, 28 Aug 2026 09:38:25 +0200 (CEST) Received: from localhost.localdomain (unknown [118.112.177.181]) by APP-03 (Coremail) with SMTP id rQCowACHjjztOpFqlM1zBg--.58365S2; Fri, 28 Aug 2026 15:38:21 +0800 (CST) From: liujie5@linkdatatechnology.com To: stephen@networkplumber.org Cc: dev@dpdk.org Subject: [PATCH v6 18/45] net/sxe2: validate PCI map resource type Date: Fri, 28 Aug 2026 15:38:20 +0800 Message-ID: <20260828073820.2248646-1-liujie5@linkdatatechnology.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260828032731.2109423-1-liujie5@linkdatatechnology.com> References: <20260828032731.2109423-1-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowACHjjztOpFqlM1zBg--.58365S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr1UuF1rAw1DArWxCryUJrb_yoW8Gr18pF 40qr1UZF1YqF13Kr45ta1xZFy5Kw4UJrWq9FZxX3sakFy7XryUZr15ta45Kr1UCws7X3WS yr47Aa1DWas8ZaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkqb7Iv0xC_Cr1lb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwV C2z280aVCY1x0267AKxVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVAC Y4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv67AKxVWxJV W8Jr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4kE6xkIj40Ew7xC0wCF 04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r 18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jrv_JF1lIxkGc2Ij64vI r41lIxAIcVC0I7IYx2IY67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr 1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26F4j6r4UJwCI42IY 6I8E87Iv6xkF7I0E14v26r4UJVWxJrUvcSsGvfC2KfnxnUUI43ZEXa7IU8c_-PUUUUU== 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