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{
    "id": 53095,
    "url": "https://patches.dpdk.org/api/patches/53095/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20190426084209.3853-1-david.hunt@intel.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",
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        "commit_url_format": ""
    },
    "msgid": "<20190426084209.3853-1-david.hunt@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20190426084209.3853-1-david.hunt@intel.com",
    "date": "2019-04-26T08:42:09",
    "name": "[v3] examples/vm_power_manager: fix buffer overrun",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "0a50fe62f0a99beb9700a137848a6197932cb335",
    "submitter": {
        "id": 342,
        "url": "https://patches.dpdk.org/api/people/342/?format=api",
        "name": "Hunt, David",
        "email": "david.hunt@intel.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20190426084209.3853-1-david.hunt@intel.com/mbox/",
    "series": [
        {
            "id": 4474,
            "url": "https://patches.dpdk.org/api/series/4474/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=4474",
            "date": "2019-04-26T08:42:09",
            "name": "[v3] examples/vm_power_manager: fix buffer overrun",
            "version": 3,
            "mbox": "https://patches.dpdk.org/series/4474/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/53095/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/53095/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id C27981B5EE;\n\tFri, 26 Apr 2019 10:42:17 +0200 (CEST)",
            "from mga12.intel.com (mga12.intel.com [192.55.52.136])\n\tby dpdk.org (Postfix) with ESMTP id 7058A7D52;\n\tFri, 26 Apr 2019 10:42:15 +0200 (CEST)",
            "from fmsmga002.fm.intel.com ([10.253.24.26])\n\tby fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t26 Apr 2019 01:42:12 -0700",
            "from silpixa00399952.ir.intel.com (HELO\n\tsilpixa00399952.ger.corp.intel.com) ([10.237.223.64])\n\tby fmsmga002.fm.intel.com with ESMTP; 26 Apr 2019 01:42:11 -0700"
        ],
        "X-Amp-Result": "SKIPPED(no attachment in message)",
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        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.60,396,1549958400\"; d=\"scan'208\";a=\"165046958\"",
        "From": "David Hunt <david.hunt@intel.com>",
        "To": "dev@dpdk.org",
        "Cc": "david.hunt@intel.com,\n\tstable@dpdk.org",
        "Date": "Fri, 26 Apr 2019 09:42:09 +0100",
        "Message-Id": "<20190426084209.3853-1-david.hunt@intel.com>",
        "X-Mailer": "git-send-email 2.17.1",
        "In-Reply-To": "<20190423085344.3493-1-david.hunt@intel.com>",
        "References": "<20190423085344.3493-1-david.hunt@intel.com>",
        "Subject": "[dpdk-dev] [PATCH v3] examples/vm_power_manager: fix buffer overrun",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
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        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "The freqs array in freq_info struct has RTE_MAX_LCORE_FREQS elements,\nyet the code can attempt to look at the index at  RTE_MAX_LCORE,\nwhich may be greater than RTE_MAX_LCORE_FREQS. Fix to limit index to\nRTE_MAX_LCORE_FREQS.\n\nFixes: d26c18c93260 (\"examples/vm_power: cpu frequency in host\")\nCoverity issue: 337660\nCC: stable@dpdk.org\nSigned-off-by: David Hunt <david.hunt@intel.com>\nAcked-by: Reshma Pattan <reshma.pattan@intel.com>\n\n---\nv2 - Rebase to 19.05 RC2.\nv3 - add CC stable\n---\n examples/vm_power_manager/power_manager.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff --git a/examples/vm_power_manager/power_manager.c b/examples/vm_power_manager/power_manager.c\nindex 9553455be..9d4e587b0 100644\n--- a/examples/vm_power_manager/power_manager.c\n+++ b/examples/vm_power_manager/power_manager.c\n@@ -143,7 +143,7 @@ power_manager_get_current_frequency(unsigned core_num)\n \trte_spinlock_lock(&global_core_freq_info[core_num].power_sl);\n \tindex = rte_power_get_freq(core_num);\n \trte_spinlock_unlock(&global_core_freq_info[core_num].power_sl);\n-\tif (index >= RTE_MAX_LCORE)\n+\tif (index >= RTE_MAX_LCORE_FREQS)\n \t\tfreq = 0;\n \telse\n \t\tfreq = global_core_freq_info[core_num].freqs[index];\n",
    "prefixes": [
        "v3"
    ]
}