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GET /api/patches/811128/?format=api
{ "id": 811128, "url": "http://patchwork.ozlabs.org/api/patches/811128/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20170907120556.45699-1-alice.michael@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170907120556.45699-1-alice.michael@intel.com>", "list_archive_url": null, "date": "2017-09-07T12:05:46", "name": "[next,S80-V3,01/11] i40e: use the safe hash table iterator when deleting mac filters", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "e6f0e216016449338f43931c37970268df7c07a9", "submitter": { "id": 71123, "url": "http://patchwork.ozlabs.org/api/people/71123/?format=api", "name": "Michael, Alice", "email": "alice.michael@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20170907120556.45699-1-alice.michael@intel.com/mbox/", "series": [ { "id": 2052, "url": "http://patchwork.ozlabs.org/api/series/2052/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=2052", "date": "2017-09-07T12:05:46", "name": "[next,S80-V3,01/11] i40e: use the safe hash table iterator when deleting mac filters", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/2052/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/811128/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/811128/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=osuosl.org\n\t(client-ip=140.211.166.138; helo=whitealder.osuosl.org;\n\tenvelope-from=intel-wired-lan-bounces@osuosl.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xpBRC5R9Xz9sBW\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 8 Sep 2017 06:11:03 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id ACED688991;\n\tThu, 7 Sep 2017 20:11:01 +0000 (UTC)", "from whitealder.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id DpxDkt8YXl-0; Thu, 7 Sep 2017 20:11:01 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id 1B79882D93;\n\tThu, 7 Sep 2017 20:11:01 +0000 (UTC)", "from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\tby ash.osuosl.org (Postfix) with ESMTP id 1E14E1C1283\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 7 Sep 2017 20:11:00 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 1432787A8D\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 7 Sep 2017 20:11:00 +0000 (UTC)", "from fraxinus.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id iHHVOgCWb5H1 for <intel-wired-lan@lists.osuosl.org>;\n\tThu, 7 Sep 2017 20:10:58 +0000 (UTC)", "from mga05.intel.com (mga05.intel.com [192.55.52.43])\n\tby fraxinus.osuosl.org (Postfix) with ESMTPS id 8AABD85910\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 7 Sep 2017 20:10:58 +0000 (UTC)", "from orsmga001.jf.intel.com ([10.7.209.18])\n\tby fmsmga105.fm.intel.com with ESMTP; 07 Sep 2017 13:10:58 -0700", "from unknown (HELO localhost.jf.intel.com) ([10.166.16.121])\n\tby orsmga001.jf.intel.com with ESMTP; 07 Sep 2017 13:10:57 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos; i=\"5.42,360,1500966000\"; d=\"scan'208\";\n\ta=\"1170126566\"", "From": "Alice Michael <alice.michael@intel.com>", "To": "alice.michael@intel.com,\n\tintel-wired-lan@lists.osuosl.org", "Date": "Thu, 7 Sep 2017 08:05:46 -0400", "Message-Id": "<20170907120556.45699-1-alice.michael@intel.com>", "X-Mailer": "git-send-email 2.9.4", "Subject": "[Intel-wired-lan] [next PATCH S80-V3 01/11] i40e: use the safe hash\n\ttable iterator when deleting mac filters", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.18-1", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "From: Lihong Yang <lihong.yang@intel.com>\n\nThis patch replaces hash_for_each function with hash_for_each_safe\nwhen calling __i40e_del_filter. The hash_for_each_safe function is\nthe right one to use when iterating over a hash table to safely remove\na hash entry. Otherwise, incorrect values may be read from freed memory.\n\nDetected by CoverityScan, CID 1402048 Read from pointer after free\n\nSigned-off-by: Lihong Yang <lihong.yang@intel.com>\n---\n drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c\nindex 8bedc74c..d8fbdda 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c\n@@ -2880,6 +2880,7 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)\n \tstruct i40e_mac_filter *f;\n \tstruct i40e_vf *vf;\n \tint ret = 0;\n+\tstruct hlist_node *h;\n \tint bkt;\n \n \t/* validate the request */\n@@ -2918,7 +2919,7 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)\n \t/* Delete all the filters for this VSI - we're going to kill it\n \t * anyway.\n \t */\n-\thash_for_each(vsi->mac_filter_hash, bkt, f, hlist)\n+\thash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist)\n \t\t__i40e_del_filter(vsi, f);\n \n \tspin_unlock_bh(&vsi->mac_filter_hash_lock);\n", "prefixes": [ "next", "S80-V3", "01/11" ] }