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GET /api/1.2/patches/810885/?format=api
{ "id": 810885, "url": "http://patchwork.ozlabs.org/api/1.2/patches/810885/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20170907080327.21390-1-shuwang@redhat.com/", "project": { "id": 12, "url": "http://patchwork.ozlabs.org/api/1.2/projects/12/?format=api", "name": "Linux CIFS Client", "link_name": "linux-cifs-client", "list_id": "linux-cifs.vger.kernel.org", "list_email": "linux-cifs@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170907080327.21390-1-shuwang@redhat.com>", "list_archive_url": null, "date": "2017-09-07T08:03:27", "name": "cifs: release cifs root_cred after exit_cifs", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "320f8c157de399899f4e9237c1bd6e82e15402d4", "submitter": { "id": 72314, "url": "http://patchwork.ozlabs.org/api/1.2/people/72314/?format=api", "name": "Shu Wang", "email": "shuwang@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20170907080327.21390-1-shuwang@redhat.com/mbox/", "series": [ { "id": 1936, "url": "http://patchwork.ozlabs.org/api/1.2/series/1936/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=1936", "date": "2017-09-07T08:03:27", "name": "cifs: release cifs root_cred after exit_cifs", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/1936/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/810885/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/810885/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-cifs-owner@vger.kernel.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.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=linux-cifs-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "ext-mx09.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx09.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=shuwang@redhat.com" ], "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xntHt0GvLz9s9Y\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 7 Sep 2017 18:03:38 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752276AbdIGIDg (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);\n\tThu, 7 Sep 2017 04:03:36 -0400", "from mx1.redhat.com ([209.132.183.28]:58572 \"EHLO mx1.redhat.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1751055AbdIGIDf (ORCPT <rfc822;linux-cifs@vger.kernel.org>);\n\tThu, 7 Sep 2017 04:03:35 -0400", "from smtp.corp.redhat.com\n\t(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 3AD754E4C2;\n\tThu, 7 Sep 2017 08:03:35 +0000 (UTC)", "from d760b8.nay.redhat.com (dhcp-12-134.nay.redhat.com\n\t[10.66.12.134])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 9881518A20;\n\tThu, 7 Sep 2017 08:03:30 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 3AD754E4C2", "From": "shuwang@redhat.com", "To": "sfrench@samba.org", "Cc": "linux-cifs@vger.kernel.org, samba-technical@lists.samba.org,\n\tlinux-kernel@vger.kernel.org, chuhu@redhat.com, liwang@redhat.com,\n\tShu Wang <shuwang@redhat.com>", "Subject": "[PATCH] cifs: release cifs root_cred after exit_cifs", "Date": "Thu, 7 Sep 2017 16:03:27 +0800", "Message-Id": "<20170907080327.21390-1-shuwang@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.11", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.38]);\n\tThu, 07 Sep 2017 08:03:35 +0000 (UTC)", "Sender": "linux-cifs-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<linux-cifs.vger.kernel.org>", "X-Mailing-List": "linux-cifs@vger.kernel.org" }, "content": "From: Shu Wang <shuwang@redhat.com>\n\nmemory leak was found by kmemleak. exit_cifs_spnego\nshould be called before cifs module removed, or\ncifs root_cred will not be released.\n\nkmemleak report:\nunreferenced object 0xffff880070a3ce40 (size 192):\n backtrace:\n kmemleak_alloc+0x4a/0xa0\n kmem_cache_alloc+0xc7/0x1d0\n prepare_kernel_cred+0x20/0x120\n init_cifs_spnego+0x2d/0x170 [cifs]\n 0xffffffffc07801f3\n do_one_initcall+0x51/0x1b0\n do_init_module+0x60/0x1fd\n load_module+0x161e/0x1b60\n SYSC_finit_module+0xa9/0x100\n SyS_finit_module+0xe/0x10\n\nSigned-off-by: Shu Wang <shuwang@redhat.com>\n---\n fs/cifs/cifsfs.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c\nindex 180b3356ff86..a92bdb89bde3 100644\n--- a/fs/cifs/cifsfs.c\n+++ b/fs/cifs/cifsfs.c\n@@ -1447,7 +1447,7 @@ exit_cifs(void)\n \texit_cifs_idmap();\n #endif\n #ifdef CONFIG_CIFS_UPCALL\n-\tunregister_key_type(&cifs_spnego_key_type);\n+\texit_cifs_spnego();\n #endif\n \tcifs_destroy_request_bufs();\n \tcifs_destroy_mids();\n", "prefixes": [] }