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[ { "id": 116516, "web_url": "https://patches.dpdk.org/comment/116516/", "msgid": "<AM0PR05MB6707D37B4B62AED9B547321EC2790@AM0PR05MB6707.eurprd05.prod.outlook.com>", "list_archive_url": "https://inbox.dpdk.org/dev/AM0PR05MB6707D37B4B62AED9B547321EC2790@AM0PR05MB6707.eurprd05.prod.outlook.com", "date": "2020-07-22T15:30:50", "subject": "Re: [dpdk-dev] [PATCH] net/mlx5: fix unlimited scan in switch\n\tinfo\tdetection", "submitter": { "id": 513, "url": "https://patches.dpdk.org/api/people/513/?format=api", "name": "Raslan Darawsheh", "email": "rasland@mellanox.com" }, "content": "Hi,\n\n> -----Original Message-----\n> From: dev <dev-bounces@dpdk.org> On Behalf Of Michael Baum\n> Sent: Tuesday, July 21, 2020 3:03 PM\n> To: dev@dpdk.org\n> Cc: Matan Azrad <matan@mellanox.com>; Slava Ovsiienko\n> <viacheslavo@mellanox.com>; stable@dpdk.org\n> Subject: [dpdk-dev] [PATCH] net/mlx5: fix unlimited scan in switch info\n> detection\n> \n> In mlx5_sysfs_switch_info function, the driver gets switch information\n> associated with network interface.\n> \n> The driver writes the port name into buffer and translates it.\n> However, when it writes the name, it does not limit writing to the\n> buffer size.\n> \n> Limit writing to the size of the buffer.\n> \n> Fixes: 1256805dd54d (\"net/mlx5: move Linux-specific functions\")\n> Cc: stable@dpdk.org\n> \n> Signed-off-by: Michael Baum <michaelba@mellanox.com>\n> Acked-by: Matan Azrad <matan@mellanox.com>\n> ---\n> drivers/net/mlx5/linux/mlx5_ethdev_os.c | 2 +-\n> 1 file changed, 1 insertion(+), 1 deletion(-)\n> \n> diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c\n> b/drivers/net/mlx5/linux/mlx5_ethdev_os.c\n> index 1735157..3d3dd2e 100644\n> --- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c\n> +++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c\n> @@ -1067,7 +1067,7 @@ struct ethtool_link_settings {\n> \n> \tfile = fopen(phys_port_name, \"rb\");\n> \tif (file != NULL) {\n> -\t\tret = fscanf(file, \"%s\", port_name);\n> +\t\tret = fscanf(file, \"%\" RTE_STR(IF_NAMESIZE) \"s\",\n> port_name);\n> \t\tfclose(file);\n> \t\tif (ret == 1)\n> \t\t\tmlx5_translate_port_name(port_name, &data);\n> --\n> 1.8.3.1\n\nPatch applied to next-net-mlx,\n\nKindest regards,\nRaslan Darawsheh", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 71066A0526;\n\tWed, 22 Jul 2020 17:31:41 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id B3F181C036;\n\tWed, 22 Jul 2020 17:30:58 +0200 (CEST)", "from EUR05-DB8-obe.outbound.protection.outlook.com\n (mail-db8eur05on2049.outbound.protection.outlook.com [40.107.20.49])\n by dpdk.org (Postfix) with ESMTP id 203491BFE4;\n Wed, 22 Jul 2020 17:30:51 +0200 (CEST)", "from AM0PR05MB6707.eurprd05.prod.outlook.com (2603:10a6:20b:15b::17)\n by AM0PR05MB4401.eurprd05.prod.outlook.com (2603:10a6:208:62::20)\n with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3195.23; 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mx.microsoft.com 1; spf=pass\n smtp.mailfrom=mellanox.com; dmarc=pass action=none header.from=mellanox.com;\n dkim=pass header.d=mellanox.com; arc=none", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com;\n s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=iPhK5NBG+5CLZkX8weCU2Pqy3h7BjFA0RRrfqtF77Go=;\n b=sBmYJXPrKmh4FJeccRrD6BrUQcZDELQ9lgbKFjvyvYYs8ffOjCKS7P99PonuX94Iyrq63BDiCr+uqKoX7zRbVI3RH2xUfPCitPXO7gut+O0C+6jMe9TRE+5IIDH9DOKGE/FDmJQw07Oa/rmgRY8NDsi4qpkDvBEza4rufK4GDik=", "From": "Raslan Darawsheh <rasland@mellanox.com>", "To": "Michael Baum <michaelba@mellanox.com>, \"dev@dpdk.org\" <dev@dpdk.org>", "CC": "Matan Azrad <matan@mellanox.com>, Slava Ovsiienko\n <viacheslavo@mellanox.com>, \"stable@dpdk.org\" <stable@dpdk.org>", "Thread-Topic": "[dpdk-dev] [PATCH] net/mlx5: fix unlimited scan in switch info\n detection", "Thread-Index": "AQHWX1bYKTyPlYeIs060NgxHGmhxz6kTuvEw", "Date": "Wed, 22 Jul 2020 15:30:50 +0000", "Message-ID": "\n <AM0PR05MB6707D37B4B62AED9B547321EC2790@AM0PR05MB6707.eurprd05.prod.outlook.com>", "References": "<1595332952-7035-1-git-send-email-michaelba@mellanox.com>", "In-Reply-To": "<1595332952-7035-1-git-send-email-michaelba@mellanox.com>", "Accept-Language": "en-US", "Content-Language": "en-US", "X-MS-Has-Attach": "", "X-MS-TNEF-Correlator": "", "authentication-results": "mellanox.com; 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