Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp232677imm; Wed, 29 Aug 2018 19:32:26 -0700 (PDT) X-Google-Smtp-Source: ANB0VdYwdliJYH+rNcLGKFP7RFW+obSJSaxe8F4CqDx4g9FplV2Huti6Dhhg7Ir1DPclxHRvGJ1I X-Received: by 2002:a63:fb07:: with SMTP id o7-v6mr7884326pgh.333.1535596346260; Wed, 29 Aug 2018 19:32:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1535596346; cv=none; d=google.com; s=arc-20160816; b=elVO5k8P3beUGCbTKV6uMqgnBlVbA5PXqE5pp0+VhCkLDxZeI+eqF9Nqq6oolAZlDT wBEySujbe8dkuDrTN1520WqgNXdImejzpm+i5XVwjhvTqyjwDoAR4Xd8J61ekPyyGiCC MUUikPMU6k+2kbOImSuus6Uk3NhEx+MT/uyWi8/qa6nJgdysLS88ApsUWdqfnGyXAKDY DMyltjz7DnKoduJ6Nzv3S8/00Z9XLURFdDkdZlLPTKsgMpmLyDE+U6v4PUbuTpYYz4L2 e07/EvKlJcmezoGwCriVKtW4Ajf9yYvHsBd2qA5881q7sjinPzRT/gtDTro0f8Kz+Min rJGQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-id:content-language:accept-language:in-reply-to:references :message-id:date:thread-index:thread-topic:subject:cc:to:from :arc-authentication-results; bh=AGH7K4MibMXQcbNbnbdIOaErPugTynb/J6KDMepd7Ww=; b=q8sGPHzqatKwzFuXp3b75u1d0VwAqG1Pv6cgdmCixZpfiHRvXd7SJUTrLQIDwi3DVI GBz5Ied7Z1Wae3LpE/91n9x6WJC2pUWskQmbaxP3kEQXghxiorPqF+k0gehrlKTVr3rS 7uAnYUb9o4mXh6wpvkBL8++dN/D4528Z2mQ/76prmK6Fc/Wn4RGTz94zRQ0Kd3NmaiK4 NPXNrRJzFezr/l8/PdN7qFFyxv286yoh3Q6umDmHhGm9poP7sK6RjNEYQNiiKwNOYaYH Z2NSRhUl2Gai6VOnn/f+2ya2EvnF8JTVHVVwFi5dXKRS50tAbTqm1BXNvr3wJapu7inR Ui1w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a64-v6si5856414pfb.224.2018.08.29.19.32.11; Wed, 29 Aug 2018 19:32:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727375AbeH3G3t (ORCPT + 99 others); Thu, 30 Aug 2018 02:29:49 -0400 Received: from mail-oln040092254051.outbound.protection.outlook.com ([40.92.254.51]:36167 "EHLO APC01-PU1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725788AbeH3G3t (ORCPT ); Thu, 30 Aug 2018 02:29:49 -0400 Received: from HK2APC01FT006.eop-APC01.prod.protection.outlook.com (10.152.248.54) by HK2APC01HT043.eop-APC01.prod.protection.outlook.com (10.152.248.227) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.20.1101.10; Thu, 30 Aug 2018 02:29:41 +0000 Received: from HK0PR06MB2561.apcprd06.prod.outlook.com (10.152.248.59) by HK2APC01FT006.mail.protection.outlook.com (10.152.248.74) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.1101.10 via Frontend Transport; Thu, 30 Aug 2018 02:29:41 +0000 Received: from HK0PR06MB2561.apcprd06.prod.outlook.com ([fe80::5902:da9:e907:fe7d]) by HK0PR06MB2561.apcprd06.prod.outlook.com ([fe80::5902:da9:e907:fe7d%5]) with mapi id 15.20.1080.015; Thu, 30 Aug 2018 02:29:41 +0000 From: Changwei Ge To: Andrew Morton , Larry Chen CC: "mfasheh@suse.com" , "ocfs2-devel@oss.oracle.com" , "linux-kernel@vger.kernel.org" Subject: Re: [Ocfs2-devel] [PATCH] fix crash on ocfs2_duplicate_clusters_by_page Thread-Topic: [Ocfs2-devel] [PATCH] fix crash on ocfs2_duplicate_clusters_by_page Thread-Index: AQHUQAlOwwG9sNWzOEK6uP60LXl+0w== Date: Thu, 30 Aug 2018 02:29:41 +0000 Message-ID: References: <20180829074740.9438-1-lchen@suse.com> <20180829152533.431fd4972ae046943cabc2e3@linux-foundation.org> In-Reply-To: <20180829152533.431fd4972ae046943cabc2e3@linux-foundation.org> Accept-Language: en-US, zh-CN Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: PU1PR01CA0027.apcprd01.prod.exchangelabs.com (2603:1096:803:16::15) To HK0PR06MB2561.apcprd06.prod.outlook.com (2603:1096:203:6f::10) x-incomingtopheadermarker: OriginalChecksum:059CD5475CBAFBCF75834D3621DD69C1D1012EEBF0A23B3DC29F1CB23C9D45AC;UpperCasedChecksum:B98AFF15B5FBF2D60CF85369A60294C4358FFF4F930F83E54199BF00133534BA;SizeAsReceived:7714;Count:50 x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [sWuFSDp6tsDWpM1y44BAbL7gUGMGFtSALlrtxwWCl9Y=] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;HK2APC01HT043;6:2VjDHDTR7xrxAKng/JFRW/r32LAid6ZuEuv6BVPYFz1bGGlqSWi44B3WTfCiwISEP/qMo6ZgaIpTyZJLy7flbF4rbepcW8rnbvZn9zh7ezSNAyLTvxqx9/a5BQxtLgmLBr2jwq3Ogq7CdeDcuv5X9t1Q+MxoHOIeylOmRsSLUcq4kMjTECkpLrNsTbu22HChmtpeDWrPsxalou3NUpmmNL5yqirBxnl3e/VWO9j1zZW2ypL3ImWM1kwCWFkpg4RD21JsM9jcJTiP6Ph9HrvmBgfhF+2VwvXjhijhGCkmzX3Jt9sIEWozLEsAcw70Wgpc/4l1FzyzCE5RcpssJ2981xscbDd4cF+DxoTx81u9kz3ZGuq2IO69FIExvtzRHVxOToIAclY8EJV4VGOPIMU476mjT26sQDs0t50xF8ax9jXMlq34XXwjUuaJIkCU4sfi8Izcb/BvZnRxodhSNkmiWg==;5:UC6VP5GlQEyxs0k/n+JvVdYbcy4c4anQsfYi9ABsjvoOZyGVnG9zjfYIkGQeIAQpDT4Izw9HSYJafv9TDkeZ1R5ret8g4B7NFpmSYOBUXsgDux6r+0Hu0cwgWyttbJC50FiUJr4eG4hymRVTJUX93mTpfBNnq5tZ4x0CpLg2e9E=;7:iGPvhRkcLdbSJiTB/jIw4Q+l9exVb0ipWvKAKDKsyZIDF4k67OOXcZGErqKdUWjhTtUnHt07TacWGTps8IB1SH8tI+lW5hacHokiF2fBrZzxVvLTswt8vQdVGWZF78H6uKQtD1Wwffu7ax+TBpo3ZSx7NkYHNYDqmsgChzpVPWwLWBPrjySaUvN+xHjhPuMUJH8UVntxHdo2KYiTLi1SVyE/zXzH3+ie3yMOfkzxox+59+IuGVmbh/jNVlDuACQY x-incomingheadercount: 50 x-eopattributedmessage: 0 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(201702061078)(5061506573)(5061507331)(1603103135)(2017031320274)(2017031324274)(2017031323274)(2017031322404)(1603101475)(1601125500)(1701031045);SRVR:HK2APC01HT043; x-ms-traffictypediagnostic: HK2APC01HT043: x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(4566010)(82015058);SRVR:HK2APC01HT043;BCL:0;PCL:0;RULEID:;SRVR:HK2APC01HT043; x-forefront-prvs: 07807C55DC x-forefront-antispam-report: SFV:NSPM;SFS:(7070007)(189003)(199004)(86362001)(8936002)(68736007)(25786009)(2900100001)(4326008)(6246003)(14444005)(110136005)(7696005)(15760500003)(54906003)(99286004)(76176011)(14454004)(966005)(6436002)(104016004)(9686003)(81156014)(6306002)(55016002)(229853002)(105586002)(81612004)(256004)(56003)(74482002)(5250100002)(97736004)(106356001)(33656002)(26005)(6346003)(8676002)(476003)(11346002)(446003)(486006)(82202002)(5660300001)(305945005)(53546011)(386003)(74316002)(6506007)(102836004);DIR:OUT;SFP:1901;SCL:1;SRVR:HK2APC01HT043;H:HK0PR06MB2561.apcprd06.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: live.cn does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=gechangwei@live.cn; x-microsoft-antispam-message-info: BSsx7SYVbtpSqF36XBD7vqjMwKW/orpTFhhiyJ1FtbCxHqHwgbHT/BFupKT36g919DNV2sEYJ+qvjbHeN2NPXb1F2kezX6wSrm1vo7osl+0h5EozJhTp2MmSfdPKbFDlddY1UVKkK8YQI3OOSBQ2fwUmcvvA+j+whenOeyf6o5ulLZt9u/DzT7IEBfI3goxBoReWSUT1KtPuTD1L0mwsKm36KWBHHEJN+R9C3VEmIWU= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: d4d70346-2c10-4f39-8c00-e767963926d9 X-MS-Exchange-CrossTenant-Network-Message-Id: 01c57982-3e25-4a2e-0947-08d60e207064 X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: d4d70346-2c10-4f39-8c00-e767963926d9 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Aug 2018 02:29:41.2574 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: HK2APC01HT043 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgTGFycnksDQoNCkJlc2lkZXMgQW5kcmV3J3MgY29tbWVudHMsIG90aGVyIHBhcnRzIG9mIHRo aXMgcGF0Y2ggbG9vayBnb29kIHRvIG1lLg0KDQpUaGFua3MsDQoNCkNoYW5nd2VpDQoNCg0KT24g MjAxOC84LzMwIDY6MjUsIEFuZHJldyBNb3J0b24gd3JvdGU6DQo+IE9uIFdlZCwgMjkgQXVnIDIw MTggMTU6NDc6NDAgKzA4MDAgTGFycnkgQ2hlbiA8bGNoZW5Ac3VzZS5jb20+IHdyb3RlOg0KPg0K Pj4gb2NmczJfZHVwbGljYXRlX2NsdXN0ZXJzX2J5X3BhZ2UgbWF5IGNyYXNoIGlmIG9uZSBvZiBl eHRlbnQncyBwYWdlcyBpcyBkaXJ0eS4NCj4+IFdoZW4gYSBwYWdlIGhhcyBub3QgYmVlbiB3cml0 dGVuIGJhY2ssIGl0IGlzIHN0aWxsIGluIGRpcnR5IHN0YXRlLiBJZg0KPj4gb2NmczJfZHVwbGlj YXRlX2NsdXN0ZXJzX2J5X3BhZ2UgaXMgY2FsbGVkIGFnYWluc3QgdGhlDQo+PiBkaXJ0eSBwYWdl LCB0aGUgY3Jhc2ggaGFwcGVucy4NCj4+DQo+PiBUbyBmaXggdGhpcyBidWcsIHdlIGNhbiBqdXN0 IHVubG9jayB0aGUgcGFnZSBhbmQgd2FpdCB0aGUgcGFnZSB1bnRpbA0KPj4gaXQncyBub3QgZGly dHkuDQo+Pg0KPj4gVGhlIGZvbGxvd2luZyBpcyB0aGUgYnVjayB0cmFjZSBkdW1wOg0KPj4NCj4+ IGtlcm5lbCBCVUcgYXQgL3Jvb3QvY29kZS9vY2ZzMi9yZWZjb3VudHRyZWUuYzoyOTYxIQ0KPj4g W2V4Y2VwdGlvbiBSSVA6IG9jZnMyX2R1cGxpY2F0ZV9jbHVzdGVyc19ieV9wYWdlKzgyMl0NCj4+ IF9fb2NmczJfbW92ZV9leHRlbnQrMHg4MC8weDQ1MCBbb2NmczJdDQo+PiA/IF9fb2NmczJfY2xh aW1fY2x1c3RlcnMrMHgxMzAvMHgyNTAgW29jZnMyXQ0KPj4gb2NmczJfZGVmcmFnX2V4dGVudCsw eDViOC8weDVlMCBbb2NmczJdDQo+PiBfX29jZnMyX21vdmVfZXh0ZW50c19yYW5nZSsweDJhNC8w eDQ3MCBbb2NmczJdDQo+PiBvY2ZzMl9tb3ZlX2V4dGVudHMrMHgxODAvMHgzYjAgW29jZnMyXQ0K Pj4gPyBvY2ZzMl93YWl0X2Zvcl9yZWNvdmVyeSsweDEzLzB4NzAgW29jZnMyXQ0KPj4gb2NmczJf aW9jdGxfbW92ZV9leHRlbnRzKzB4MTMzLzB4MmQwIFtvY2ZzMl0NCj4+IG9jZnMyX2lvY3RsKzB4 MjUzLzB4NjQwIFtvY2ZzMl0NCj4+IGRvX3Zmc19pb2N0bCsweDkwLzB4NWYwDQo+PiBTeVNfaW9j dGwrMHg3NC8weDgwDQo+PiBkb19zeXNjYWxsXzY0KzB4NzQvMHgxNDANCj4+IGVudHJ5X1NZU0NB TExfNjRfYWZ0ZXJfaHdmcmFtZSsweDNkLzB4YTINCj4+DQo+PiAtLS0gYS9mcy9vY2ZzMi9yZWZj b3VudHRyZWUuYw0KPj4gKysrIGIvZnMvb2NmczIvcmVmY291bnR0cmVlLmMNCj4+IEBAIC0yOTQ2 LDYgKzI5NDYsNyBAQCBpbnQgb2NmczJfZHVwbGljYXRlX2NsdXN0ZXJzX2J5X3BhZ2UoaGFuZGxl X3QgKmhhbmRsZSwNCj4+ICAgCQlpZiAobWFwX2VuZCAmIChQQUdFX1NJWkUgLSAxKSkNCj4+ICAg CQkJdG8gPSBtYXBfZW5kICYgKFBBR0VfU0laRSAtIDEpOw0KPj4gICANCj4+ICtyZXRyeToNCj4+ ICAgCQlwYWdlID0gZmluZF9vcl9jcmVhdGVfcGFnZShtYXBwaW5nLCBwYWdlX2luZGV4LCBHRlBf Tk9GUyk7DQo+PiAgIAkJaWYgKCFwYWdlKSB7DQo+PiAgIAkJCXJldCA9IC1FTk9NRU07DQo+PiBA QCAtMjk1Nyw4ICsyOTU4LDE1IEBAIGludCBvY2ZzMl9kdXBsaWNhdGVfY2x1c3RlcnNfYnlfcGFn ZShoYW5kbGVfdCAqaGFuZGxlLA0KPj4gICAJCSAqIEluIGNhc2UgUEFHRV9TSVpFIDw9IENMVVNU RVJfU0laRSwgVGhpcyBwYWdlDQo+PiAgIAkJICogY2FuJ3QgYmUgZGlydGllZCBiZWZvcmUgd2Ug Q29XIGl0IG91dC4NCj4+ICAgCQkgKi8NCj4gTG9va3Mgc2FuZSwgYnV0IHRoZSBiZWxvdyBjaGFu Z2Ugc2hvd3MgdGhhdCB0aGUgYWJvdmUgY29tbWVudCBpcw0KPiB1bnRydWUuICBDYW4gd2UgcGxl YXNlIHVwZGF0ZSB0aGUgY29tbWVudCBhcyB3ZWxsPw0KPg0KPg0KPj4gLQkJaWYgKFBBR0VfU0la RSA8PSBPQ0ZTMl9TQihzYiktPnNfY2x1c3RlcnNpemUpDQo+PiAtCQkJQlVHX09OKFBhZ2VEaXJ0 eShwYWdlKSk7DQo+PiArCQlpZiAoUEFHRV9TSVpFIDw9IE9DRlMyX1NCKHNiKS0+c19jbHVzdGVy c2l6ZSkgew0KPj4gKwkJCWlmIChQYWdlRGlydHkocGFnZSkpIHsNCj4+ICsJCQkJLyoNCj4+ICsJ CQkJICogd3JpdGVfb25fcGFnZSB3aWxsIHVubG9jayB0aGUgcGFnZSBvbiByZXR1cm4NCj4+ICsJ CQkJICovDQo+PiArCQkJCXJldCA9IHdyaXRlX29uZV9wYWdlKHBhZ2UpOw0KPj4gKwkJCQlnb3Rv IHJldHJ5Ow0KPj4gKwkJCX0NCj4+ICsJCX0NCj4+ICAgDQo+PiAgIAkJaWYgKCFQYWdlVXB0b2Rh dGUocGFnZSkpIHsNCj4+ICAgCQkJcmV0ID0gYmxvY2tfcmVhZF9mdWxsX3BhZ2UocGFnZSwgb2Nm czJfZ2V0X2Jsb2NrKTsNCj4NCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18NCj4gT2NmczItZGV2ZWwgbWFpbGluZyBsaXN0DQo+IE9jZnMyLWRldmVsQG9z cy5vcmFjbGUuY29tDQo+IGh0dHBzOi8vb3NzLm9yYWNsZS5jb20vbWFpbG1hbi9saXN0aW5mby9v Y2ZzMi1kZXZlbA0KDQo=