Patch Detail

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{
    "id": 134860,
    "url": "https://patches.dpdk.org/api/patches/134860/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20231205040524.3525473-1-joyce.kong@arm.com/",
    "project": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<20231205040524.3525473-1-joyce.kong@arm.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20231205040524.3525473-1-joyce.kong@arm.com",
    "date": "2023-12-05T04:05:24",
    "name": "[v1] net/memif: fix segfault with Tx burst larger than 255",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "9944bd6062bac693b7a29123f06288df128b4514",
    "submitter": {
        "id": 970,
        "url": "https://patches.dpdk.org/api/people/970/?format=api",
        "name": "Joyce Kong",
        "email": "joyce.kong@arm.com"
    },
    "delegate": {
        "id": 319,
        "url": "https://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20231205040524.3525473-1-joyce.kong@arm.com/mbox/",
    "series": [
        {
            "id": 30449,
            "url": "https://patches.dpdk.org/api/series/30449/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=30449",
            "date": "2023-12-05T04:05:24",
            "name": "[v1] net/memif: fix segfault with Tx burst larger than 255",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/30449/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/134860/comments/",
    "check": "warning",
    "checks": "https://patches.dpdk.org/api/patches/134860/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
        "Delivered-To": "patchwork@inbox.dpdk.org",
        "Received": [
            "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 3D49E43437;\n\tTue,  5 Dec 2023 05:05:36 +0100 (CET)",
            "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id D977742D45;\n\tTue,  5 Dec 2023 05:05:35 +0100 (CET)",
            "from foss.arm.com (foss.arm.com [217.140.110.172])\n by mails.dpdk.org (Postfix) with ESMTP id BDF2E4064A;\n Tue,  5 Dec 2023 05:05:34 +0100 (CET)",
            "from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14])\n by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BA17C1474;\n Mon,  4 Dec 2023 20:06:20 -0800 (PST)",
            "from net-arm-n1amp-02.shanghai.arm.com\n (net-arm-n1amp-02.shanghai.arm.com [10.169.210.107])\n by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 6A7313F5A1;\n Mon,  4 Dec 2023 20:05:31 -0800 (PST)"
        ],
        "From": "Joyce Kong <joyce.kong@arm.com>",
        "To": "Jakub Grajciar <jgrajcia@cisco.com>,\n =?utf-8?q?Morten_Br=C3=B8rup?= <mb@smartsharesystems.com>,\n Joyce Kong <joyce.kong@arm.com>, Ruifeng Wang <ruifeng.wang@arm.com>",
        "Cc": "dev@dpdk.org, nd@arm.com, stable@dpdk.org,\n Liangxing Wang <liangxing.wang@arm.com>",
        "Subject": "[PATCH v1] net/memif: fix segfault with Tx burst larger than 255",
        "Date": "Tue,  5 Dec 2023 04:05:24 +0000",
        "Message-Id": "<20231205040524.3525473-1-joyce.kong@arm.com>",
        "X-Mailer": "git-send-email 2.25.1",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "There will be a segfault when tx burst size is larger than\n256. This is because eth_memif_tx uses an index i which is\nuint8_t to count transmitted nb_pkts. Extend i to uint16_t,\nthe same size as nb_pkts.\n\nFixes: b5613c8f9d0a (\"net/memif: add a Tx fast path\")\nCc: stable@dpdk.org\n\nReported-by: Liangxing Wang <liangxing.wang@arm.com>\nSigned-off-by: Joyce Kong <joyce.kong@arm.com>\nReviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>\n---\n drivers/net/memif/rte_eth_memif.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/memif/rte_eth_memif.c b/drivers/net/memif/rte_eth_memif.c\nindex 7cc8c0da91..6f45a00172 100644\n--- a/drivers/net/memif/rte_eth_memif.c\n+++ b/drivers/net/memif/rte_eth_memif.c\n@@ -684,7 +684,7 @@ eth_memif_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)\n \t\tn_free = __atomic_load_n(&ring->head, __ATOMIC_ACQUIRE) - slot;\n \t}\n \n-\tuint8_t i;\n+\tuint16_t i;\n \tstruct rte_mbuf **buf_tmp = bufs;\n \tmbuf_head = *buf_tmp++;\n \tstruct rte_mempool *mp = mbuf_head->pool;\n",
    "prefixes": [
        "v1"
    ]
}