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{
    "id": 808814,
    "url": "http://patchwork.ozlabs.org/api/covers/808814/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/cover/cover.1504283683.git.mkubecek@suse.cz/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<cover.1504283683.git.mkubecek@suse.cz>",
    "list_archive_url": null,
    "date": "2017-09-01T16:39:06",
    "name": "[iproute2,0/2] fix \"ip link show dev ...\" for NICs with many VFs",
    "submitter": {
        "id": 11892,
        "url": "http://patchwork.ozlabs.org/api/people/11892/?format=api",
        "name": "Michal Kubecek",
        "email": "mkubecek@suse.cz"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/cover/cover.1504283683.git.mkubecek@suse.cz/mbox/",
    "series": [
        {
            "id": 1074,
            "url": "http://patchwork.ozlabs.org/api/series/1074/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=1074",
            "date": "2017-09-01T16:39:16",
            "name": "fix \"ip link show dev ...\" for NICs with many VFs",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/1074/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/covers/808814/comments/",
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
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        "Message-Id": "<cover.1504283683.git.mkubecek@suse.cz>",
        "From": "Michal Kubecek <mkubecek@suse.cz>",
        "Subject": "[PATCH iproute2 0/2] fix \"ip link show dev ...\" for NICs with many\n\tVFs",
        "To": "Stephen Hemminger <stephen@networkplumber.org>",
        "Cc": "netdev@vger.kernel.org, linux-kernel@vger.kernel.org",
        "Date": "Fri,  1 Sep 2017 18:39:06 +0200 (CEST)",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "Two of our customers recently encountered problems with processing of large\nmessages produced by kernel in response to \"ip link show\" for NICs with\nmany (120-128) virtual functions. While some of them have been already\naddressed in recent versions of iproute2, some still persist.\n\nPatch 1 adds check to handle the case when a message fits into the\nbuffer in rtnl_talk() but not into the buffer in iplink_get().\n\nPatch 2 increases the buffer size in iplink_get() to suffice even for\nNICs with 128 VFs. \n\nNote: after applying patch 2, patch 1 seems useless as both buffers have\nthe same size so that the check cannot actually trigger. However, as we\ncannot guarantee they will always stay the same, I believe the check\nshould still be added.\n\nMichal Kubecek (2):\n  iplink: check for message truncation in iplink_get()\n  iplink: double the buffer size also in iplink_get()\n\n ip/iplink.c | 7 ++++++-\n 1 file changed, 6 insertions(+), 1 deletion(-)"
}