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{
    "id": 819408,
    "url": "http://patchwork.ozlabs.org/api/patches/819408/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20170928044132.30940-2-saeedm@mellanox.com/",
    "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": "<20170928044132.30940-2-saeedm@mellanox.com>",
    "list_archive_url": null,
    "date": "2017-09-28T04:41:22",
    "name": "[net,01/11] net/mlx5e: IPoIB, Fix access to invalid memory address",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "2cdebd14706eeac224d8b24f45b255df34969c14",
    "submitter": {
        "id": 65299,
        "url": "http://patchwork.ozlabs.org/api/people/65299/?format=api",
        "name": "Saeed Mahameed",
        "email": "saeedm@mellanox.com"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/20170928044132.30940-2-saeedm@mellanox.com/mbox/",
    "series": [
        {
            "id": 5488,
            "url": "http://patchwork.ozlabs.org/api/series/5488/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=5488",
            "date": "2017-09-28T04:41:23",
            "name": "Mellanox, mlx5 fixes 2017-09-28",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/5488/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/819408/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/819408/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
        "X-Original-To": "patchwork-incoming@ozlabs.org",
        "Delivered-To": "patchwork-incoming@ozlabs.org",
        "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3y2hrK25wdz9t3x\n\tfor <patchwork-incoming@ozlabs.org>;\n\tThu, 28 Sep 2017 14:42:41 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752046AbdI1Emk (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tThu, 28 Sep 2017 00:42:40 -0400",
            "from mail-il-dmz.mellanox.com ([193.47.165.129]:54366 \"EHLO\n\tmellanox.co.il\" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org\n\twith ESMTP id S1751082AbdI1EmF (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Thu, 28 Sep 2017 00:42:05 -0400",
            "from Internal Mail-Server by MTLPINE1 (envelope-from\n\tsaeedm@mellanox.com)\n\twith ESMTPS (AES256-SHA encrypted); 28 Sep 2017 06:42:01 +0200",
            "from sws.mtl.labs.mlnx (reg-l-vrt-045-015.mtl.labs.mlnx\n\t[10.135.45.15])\n\tby labmailer.mlnx (8.13.8/8.13.8) with ESMTP id v8S4g1j5011096;\n\tThu, 28 Sep 2017 07:42:01 +0300"
        ],
        "From": "Saeed Mahameed <saeedm@mellanox.com>",
        "To": "\"David S. Miller\" <davem@davemloft.net>",
        "Cc": "netdev@vger.kernel.org, Roi Dayan <roid@mellanox.com>,\n\tSaeed Mahameed <saeedm@mellanox.com>",
        "Subject": "[net 01/11] net/mlx5e: IPoIB, Fix access to invalid memory address",
        "Date": "Thu, 28 Sep 2017 07:41:22 +0300",
        "Message-Id": "<20170928044132.30940-2-saeedm@mellanox.com>",
        "X-Mailer": "git-send-email 2.13.0",
        "In-Reply-To": "<20170928044132.30940-1-saeedm@mellanox.com>",
        "References": "<20170928044132.30940-1-saeedm@mellanox.com>",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "From: Roi Dayan <roid@mellanox.com>\n\nWhen cleaning rdma netdevice we need to save the mdev pointer\nbecause priv is released when we release netdev.\n\nThis bug was found using the kernel address sanitizer (KASAN).\nuse-after-free in mlx5_rdma_netdev_free+0xe3/0x100 [mlx5_core]\n\nFixes: 48935bbb7ae8 (\"net/mlx5e: IPoIB, Add netdevice profile skeleton\")\nSigned-off-by: Roi Dayan <roid@mellanox.com>\nReviewed-by: Or Gerlitz <ogerlitz@mellanox.com>\nSigned-off-by: Saeed Mahameed <saeedm@mellanox.com>\n---\n drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c\nindex 85298051a3e4..145e392ab849 100644\n--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c\n+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c\n@@ -572,12 +572,13 @@ void mlx5_rdma_netdev_free(struct net_device *netdev)\n {\n \tstruct mlx5e_priv          *priv    = mlx5i_epriv(netdev);\n \tconst struct mlx5e_profile *profile = priv->profile;\n+\tstruct mlx5_core_dev       *mdev    = priv->mdev;\n \n \tmlx5e_detach_netdev(priv);\n \tprofile->cleanup(priv);\n \tdestroy_workqueue(priv->wq);\n \tfree_netdev(netdev);\n \n-\tmlx5e_destroy_mdev_resources(priv->mdev);\n+\tmlx5e_destroy_mdev_resources(mdev);\n }\n EXPORT_SYMBOL(mlx5_rdma_netdev_free);\n",
    "prefixes": [
        "net",
        "01/11"
    ]
}