From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF883CA90AF for ; Wed, 13 May 2020 12:17:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7BFB2206D6 for ; Wed, 13 May 2020 12:17:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="oJ2FJlLt"; dkim=pass (1024-bit key) header.d=sharedspace.onmicrosoft.com header.i=@sharedspace.onmicrosoft.com header.b="gBsvs05Q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731792AbgEMMRt (ORCPT ); Wed, 13 May 2020 08:17:49 -0400 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:32091 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726020AbgEMMRr (ORCPT ); Wed, 13 May 2020 08:17:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1589372267; x=1620908267; h=from:to:cc:subject:date:message-id:references: content-transfer-encoding:mime-version; bh=/GE49W2me4n9Z7xdLy8he+w/L2Li/4XgFyszMt0zyTA=; b=oJ2FJlLtr2POkgG3I09su7YBcKvKcro9JHvphl8Yx14jUlIcSQMlNbSR xFGA14Hk/ws+OyGXLiY5w/N1UYGFyhHZRVpjL1DN5KBPEUUdrU8vtln47 ejpPwAEcC3qZXE+NUKB+sAxh2RbR0XEksnpEV42KZYZq2DXG+jAgj8V+K 6BZZn7KZwXI6HquWhskVFFGrHwSucCv8uhjwh70x20JCYoiGLtdQyAhMC VxdRQ2T7KXfDzafqo7qBLaXPAM3nfAQx30klUGLZ7OXm8VlDmZsQrkMEW 6CsR4f1WdWmhpwS6jT9S74gTBXnNB0yiiCqXVqcEdxO9eIY2smpZFMWrm Q==; IronPort-SDR: 17THAN/v74nZD0OAwYwM4a6tTdHQtiWT6/syhpyR4pa0dp06T8ZbqJL5mkIO5NfRsnOpdFbZml Vhxbn0vFhPiOKrOQ6ZnxzOwNYh0Vl+Ti75lGCK78nX3udXdxLzjTipUdFt5jowf7vkX5SJwr8p yIo5bcCyrz7cfeB4+GEwpwHwIErx68aUBKgl1bcpcHBNW4M1gy1TipmLYusutJ/+t5Cx+6lIbo IBJPaYtCH0NA3q9QU1BzcQEq2jCiBVuQbzmlo3f+ynlWg6V0r1/1yEEiTZ97ZMSHZzvQZXNeUK YH8= X-IronPort-AV: E=Sophos;i="5.73,387,1583164800"; d="scan'208";a="139009782" Received: from mail-co1nam11lp2172.outbound.protection.outlook.com (HELO NAM11-CO1-obe.outbound.protection.outlook.com) ([104.47.56.172]) by ob1.hgst.iphmx.com with ESMTP; 13 May 2020 20:17:32 +0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=mgFshB+9ZfX1tcsSGzgVJpjhotLe02/WZueaFW/xI2LlAGTSqd0byl2XLL6/RWQJJ6ejgnAHZobe6g5Ta51XIrQ8uugFqZc9suqP7im3HSnkMr6AvW+o145ACDHR2VMmPCl8EWTIpID6Mz9QNcAp6uv+Wcof1/v4vyEYa7pAIqNIZWR9sYI8IZ6QE/2pbZ+KeeOPgszqkW0EU+zqzkyVeLm7bDg133WuuFb5KFZKbPqUIU57OCC8P8MK29HSPXjodE5dfUASDt0N1b8948Mqjv170w0ZlT9dNLxGsL8e6Bo1x+Y8s5JnekdH6pq0fnJBM67j1VQt43cYtuZGbVWQaw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=xjZf7WPB4qrmgzD22I5/pZZMKh+YrCEahcU8hKR68Q0=; b=gM4b/zoVRfwVOn+l0yRNdGDNa649D99eRitYb8zk7NwG2apdqLjmveCA+GItoathG0IPz9Dixk1duBm7EKTb382GNkzdmx/w00h5YMzqfPIa+kzvlQz7zh5JHDv91xnEKqJ86ADzEe5azOguCepQIXBM7ConOraU4nFMSyKHbGIMat3WGU7VoFZViMA4N6/THmAK0s6rks/UnPxI0R438RCRCWpi48rq3t+MEWKNJIPLLo0JIqMNhLbLLOCDNoud5HHdtdEmtOUjxYT7XjkFhD3PGkUAqKeHrtwejMA5ZMe9YSOmkmnaXKUmj9ehND4wBZVnha8LER4ieTQBs7kPFQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=wdc.com; dmarc=pass action=none header.from=wdc.com; dkim=pass header.d=wdc.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector2-sharedspace-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=xjZf7WPB4qrmgzD22I5/pZZMKh+YrCEahcU8hKR68Q0=; b=gBsvs05Q2mtuwQrLJLrswAyugTI4/rH6KhFx+JBbGfOhpXhvTReU1QaGbHr7ybiHCVlCGYbc1kz5hfszGSTx+q4yohtmnwCNxp0+AE/8j7We+jn4havSdh7zjoOVhVSgXBjGIbjc9fexpecZt4mo3bizpXrMOygnWbbqzAeAsKg= Received: from SN4PR0401MB3598.namprd04.prod.outlook.com (2603:10b6:803:47::21) by SN4PR0401MB3661.namprd04.prod.outlook.com (2603:10b6:803:45::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19; Wed, 13 May 2020 12:17:30 +0000 Received: from SN4PR0401MB3598.namprd04.prod.outlook.com ([fe80::9854:2bc6:1ad2:f655]) by SN4PR0401MB3598.namprd04.prod.outlook.com ([fe80::9854:2bc6:1ad2:f655%4]) with mapi id 15.20.3000.022; Wed, 13 May 2020 12:17:30 +0000 From: Johannes Thumshirn To: Qu Wenruo , "dsterba@suse.cz" , David Sterba CC: "linux-btrfs@vger.kernel.org" Subject: Re: Bug 5.7-rc: root leak, eb leak Thread-Topic: Bug 5.7-rc: root leak, eb leak Thread-Index: AQHWKGfW6Ky5qVZQwUmLt+jF5CrP/Q== Date: Wed, 13 May 2020 12:17:30 +0000 Message-ID: References: <5e955017351005f2cc4c0210f401935203de8496c56cb76f53547d435f502803.dsterba@suse.com> <20200512230333.GH18421@twin.jikos.cz> <2dd7f27b-e505-aee5-2ffa-7e72f4623479@gmx.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmx.com; dkim=none (message not signed) header.d=none;gmx.com; dmarc=none action=none header.from=wdc.com; x-originating-ip: [129.253.240.72] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: dd4d71d7-d16b-4c72-d441-08d7f7379bd6 x-ms-traffictypediagnostic: SN4PR0401MB3661: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:3968; x-forefront-prvs: 0402872DA1 x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SN4PR0401MB3598.namprd04.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(4636009)(346002)(366004)(396003)(136003)(376002)(39860400002)(33430700001)(316002)(4326008)(2906002)(26005)(186003)(478600001)(8676002)(86362001)(110136005)(8936002)(33656002)(76116006)(52536014)(9686003)(53546011)(6506007)(55016002)(91956017)(71200400001)(7696005)(66556008)(5660300002)(33440700001)(66946007)(64756008)(66446008)(66476007);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: 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 x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: dd4d71d7-d16b-4c72-d441-08d7f7379bd6 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 May 2020 12:17:30.4864 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: XlyaTNCNgX6uHLV7Xxq/09XBs9R7c7HGlNcL2ZCT+z2Ww03xQsAhikmzkp8nN2kRGwge8KN1uojsBRy/hrHcSXIjqJy1D/asDXUYLn1Gisk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN4PR0401MB3661 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 13/05/2020 14:11, Qu Wenruo wrote:=0A= > =0A= > =0A= > On 2020/5/13 =1B$B2<8a=1B(B8:06, Johannes Thumshirn wrote:=0A= >> On 13/05/2020 13:57, Qu Wenruo wrote:=0A= >>>=0A= >>>=0A= >>> On 2020/5/13 =1B$B2<8a=1B(B7:54, Johannes Thumshirn wrote:=0A= >>>> On 13/05/2020 01:04, David Sterba wrote:=0A= >>>> [...]=0A= >>>>>=0A= >>>>> Johannes, do you have logs from the test?=0A= >>>>=0A= >>>>=0A= >>>>=0A= >>>> I recreated the logs for btrfs/028 (dmesg, kmemleak and fstests log). = Please find them attached.=0A= >>>>=0A= >>>=0A= >>> BTW, what's the line of open_ctree+0x137c/0x277a?=0A= >>=0A= >>=0A= >> Here we go:=0A= >> (gdb) l *(open_ctree+0x137c/0x277a)=0A= >> 0x122acd is in open_ctree (fs/btrfs/disk-io.c:2826).=0A= >> 2821 u64 generation;=0A= >> 2822 u64 features;=0A= >> 2823 u16 csum_type;=0A= >> 2824 struct btrfs_key location;=0A= >> 2825 struct btrfs_super_block *disk_super;=0A= >> 2826 struct btrfs_fs_info *fs_info =3D btrfs_sb(sb);=0A= >> 2827 struct btrfs_root *tree_root;=0A= >> 2828 struct btrfs_root *chunk_root;=0A= >> 2829 int ret;=0A= >> 2830 int err =3D -EINVAL;=0A= >>=0A= >> So its:=0A= >> 2826 struct btrfs_fs_info *fs_info =3D btrfs_sb(sb);=0A= >>=0A= > This doesn't make sense.=0A= > =0A= > That line doesn't even call read_tree_block() nor even any function call.= =0A= > =0A= > This looks really strange.=0A= =0A= Indeed, it does. I have no clue what's going on here.=0A=