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{ "id": 363, "url": "http://patches.dpdk.org/api/covers/363/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20231105054539.22303-1-fengchengwen@huawei.com/", "project": { "id": 1, "url": "http://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": "<20231105054539.22303-1-fengchengwen@huawei.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20231105054539.22303-1-fengchengwen@huawei.com", "date": "2023-11-05T05:45:34", "name": "[v4,0/5] fix segment fault when parse args", "submitter": { "id": 2146, "url": "http://patches.dpdk.org/api/people/2146/?format=api", "name": "fengchengwen", "email": "fengchengwen@huawei.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20231105054539.22303-1-fengchengwen@huawei.com/mbox/", "series": [ { "id": 30160, "url": "http://patches.dpdk.org/api/series/30160/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=30160", "date": "2023-11-05T05:45:35", "name": "fix segment fault when parse args", "version": 4, "mbox": "http://patches.dpdk.org/series/30160/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/363/comments/", "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 45F9A43249;\n\tSun, 5 Nov 2023 06:48:53 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 7BA55402DF;\n\tSun, 5 Nov 2023 06:48:48 +0100 (CET)", "from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187])\n by mails.dpdk.org (Postfix) with ESMTP id 3C393402CF\n for <dev@dpdk.org>; Sun, 5 Nov 2023 06:48:45 +0100 (CET)", "from dggpeml100024.china.huawei.com (unknown [172.30.72.54])\n by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4SNNnd0ls4zvPrT;\n Sun, 5 Nov 2023 13:48:37 +0800 (CST)", "from localhost.localdomain (10.50.165.33) by\n dggpeml100024.china.huawei.com (7.185.36.115) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id\n 15.1.2507.31; Sun, 5 Nov 2023 13:48:42 +0800" ], "From": "Chengwen Feng <fengchengwen@huawei.com>", "To": "<thomas@monjalon.net>, <ferruh.yigit@amd.com>", "CC": "<dev@dpdk.org>, <stephen@networkplumber.org>", "Subject": "[PATCH v4 0/5] fix segment fault when parse args", "Date": "Sun, 5 Nov 2023 05:45:34 +0000", "Message-ID": "<20231105054539.22303-1-fengchengwen@huawei.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20230314124813.39521-1-fengchengwen@huawei.com>", "References": "<20230314124813.39521-1-fengchengwen@huawei.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[10.50.165.33]", "X-ClientProxiedBy": "dggems701-chm.china.huawei.com (10.3.19.178) To\n dggpeml100024.china.huawei.com (7.185.36.115)", "X-CFilter-Loop": "Reflected", "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": "The rte_kvargs_process() was used to parse key-value (e.g. socket_id=0),\nit also supports to parse only-key (e.g. socket_id). But many drivers's\ncallback can only handle key-value, it will segment fault if handles\nonly-key. so the patchset [1] was introduced.\n\nBecause the patchset [1] modified too much drivers, therefore:\n1) A new API rte_kvargs_process_opt() was introduced, it inherits the\nfunction of rte_kvargs_process() which could parse both key-value and\nonly-key.\n2) Constraint the rte_kvargs_process() can only parse key-value.\n\nThis patchset also include one bugfix for kvargs of mvneta driver.\n\n[1] https://patches.dpdk.org/project/dpdk/patch/20230320092110.37295-1-fengchengwen@huawei.com/\n\nChengwen Feng (5):\n kvargs: add one new process API\n net/sfc: use new API to parse kvargs\n net/tap: use new API to parse kvargs\n common/nfp: use new API to parse kvargs\n net/mvneta: fix possible out-of-bounds write\n\n---\nv4: refine API's define and impl which address Ferruh's comments.\n add common/nfp change commit.\nv3: introduce new API instead of modify too many drivers which address\n Ferruh's comments.\n\n doc/guides/rel_notes/release_23_11.rst | 13 ++++++++\n drivers/common/nfp/nfp_common_pci.c | 4 +--\n drivers/common/sfc_efx/sfc_efx.c | 4 +--\n drivers/net/mvneta/mvneta_ethdev.c | 3 ++\n drivers/net/sfc/sfc_kvargs.c | 2 +-\n drivers/net/tap/rte_eth_tap.c | 10 +++---\n lib/kvargs/rte_kvargs.c | 43 ++++++++++++++++++++------\n lib/kvargs/rte_kvargs.h | 37 ++++++++++++++++++++--\n lib/kvargs/version.map | 3 ++\n 9 files changed, 97 insertions(+), 22 deletions(-)" }