Received: by 2002:a05:6a10:2785:0:0:0:0 with SMTP id ia5csp437739pxb; Wed, 13 Jan 2021 07:19:43 -0800 (PST) X-Google-Smtp-Source: ABdhPJxFD709imp4ulHLGdnh7pOenaF01Db51wcPNF1VlGKjS9YzyApwM8rmcWKSXfADJp68+YLR X-Received: by 2002:a50:e719:: with SMTP id a25mr2180462edn.12.1610551183211; Wed, 13 Jan 2021 07:19:43 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1610551183; cv=pass; d=google.com; s=arc-20160816; b=pN0w71mioEz81RMu2B1AwDDoveyoeDWVSY8XRLcuRI5u4yDQpXxaMpbTDHhxZQ+GVA Fp2pgOT80YVSetDL/48AH+GC6VGQeXdUZRAS3Oso8qIr5ClxdbVQrFKwd9TXO/o3PF/h rhtXeJoCE4g0l7/asdvw2Elrbd8bXasNCCN49xZ4tc8/dinG8FxY6oJ5ugDcPCGhyN5t AFFrbX87PTCqacbb2j63JpM9YExJF1YR+PN+TeQV5kcmsTN3QMVhvOFX17A+hs3rFlsY FR5ySM6AvwLvzxi0dPiLhT4In2FA0TehmT89nYiyYB3AoUPwjCOPCJErvz7sgX6haNOz u/eQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence: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 :dkim-signature; bh=mFJhR7Uwr9bk/lKSadSgrEb6JrtrAx4gQ1Xs6RqHFmY=; b=KqlepZj4Qf1LXoYfC+l7mKcnwc+DlRigrEh2sgdJvaYtS6f6c505FrfN9CSdYCTd7E 3ANo/1yDsdtpS/usU+5eb271+vKFuR3LTwvNZbzZli6KlOo4ROr4WNQj2jlfw5Lat7IL qc/wmgeiSdeZesTcQcDMS5aMsu4Rlq8XmYYOonpVLy3U3ptUSbTBQzxBRvFHSFskkAsx HisRX/bAi5rsNsVVfQHzPSwlA5TZZYjnb1tqJk0Hj/ImFQzj79i0vKtTQsBjGN7ip29/ 6G4whl84WBHA7+sHdgQtZo69pUvlmY8GZckyQVNJrsLiaqc3VMRjQDKi04d75AvwVhNN F3fg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@hammerspace.com header.s=selector2 header.b=JXw450wA; arc=pass (i=1 spf=pass spfdomain=hammerspace.com dkim=pass dkdomain=hammerspace.com dmarc=pass fromdomain=hammerspace.com); spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=hammerspace.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q11si1140925edn.225.2021.01.13.07.19.18; Wed, 13 Jan 2021 07:19:43 -0800 (PST) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@hammerspace.com header.s=selector2 header.b=JXw450wA; arc=pass (i=1 spf=pass spfdomain=hammerspace.com dkim=pass dkdomain=hammerspace.com dmarc=pass fromdomain=hammerspace.com); spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=hammerspace.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726792AbhAMPRn (ORCPT + 99 others); Wed, 13 Jan 2021 10:17:43 -0500 Received: from mail-eopbgr760100.outbound.protection.outlook.com ([40.107.76.100]:7231 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726289AbhAMPRn (ORCPT ); Wed, 13 Jan 2021 10:17:43 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Do2pzhcipOKrIgJVp1NUm9MSFX72OlxAc8RYCmqPdSmCiMxXEYXNe3gpn+UxvJLZ5ZYeBeZ8E2nfrfDPruQtsiO/x7cklVngYtwMWcP0KNzHG6GNZbD9FBtvfSgP72BaEOa0FBoomlAK4o0nDF/tHsBunNnbWydzs/F4zVbjc3ZHR3GquhHL/p04kjt81sxjGAXN/YWT955JEVnblvtvb/9L3ZpjfRlGx2pC1gfm/P2tBRgzFch1fE3XRUvjhYEpGs3cMQKbGw0TyEmDRPbZnuipcloFIDCbW+gzRZZmd458FWu/N6EKf6+VHSDL8oJ9S5niUlXDxmva/xIMe+mziA== 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=mFJhR7Uwr9bk/lKSadSgrEb6JrtrAx4gQ1Xs6RqHFmY=; b=dylV764IHlFTkwzwUGDrJK4DoGDduXU14hOYIuoLQpS7zxW0hEKmC6lsA/Zha4nV6NglGw3IRUk/bedPie+4q0QlpiCLcpCbi+lfP/OMCp8jfLNhmjJ9TaDfvKuMNNWOF01SUcDiGyQohmZAkwYmUM23Vn1b70u1XlHaiHCh1/le/bo3oHrppAeL3p1b2V9uQFnKtOmXq6Azh4zeSiQLNNFEcvabYZou+vempn0G/BkKlb3LwLJdIFrRid23mjg+F7chd7Z33NrG/zlhz4w/nzrkEuTDkV89MhtoFAO5zWRrSDTDvWRFoAc7zuSZv9hsYzmhtRzQaHrx37MWsz3RyA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=hammerspace.com; dmarc=pass action=none header.from=hammerspace.com; dkim=pass header.d=hammerspace.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hammerspace.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=mFJhR7Uwr9bk/lKSadSgrEb6JrtrAx4gQ1Xs6RqHFmY=; b=JXw450wArbI/wti4J+D42dI9x5Gh2hvKTsA+2zzx/iBWSAVhMq84ZTzme6uTtlQokYVbhhTIGzs6vOvZb3C8wbgzBy9B/ld15jp3TJyfCpePVHW5u/qckIl+mkJq99ZrokAKIBDFj3xT2StI/A/eaJNr0IkwuRXzndrfArMqe/I= Received: from CH2PR13MB3525.namprd13.prod.outlook.com (2603:10b6:610:21::29) by CH2PR13MB3509.namprd13.prod.outlook.com (2603:10b6:610:2a::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3763.6; Wed, 13 Jan 2021 15:16:53 +0000 Received: from CH2PR13MB3525.namprd13.prod.outlook.com ([fe80::f9a6:6c23:4015:b7fc]) by CH2PR13MB3525.namprd13.prod.outlook.com ([fe80::f9a6:6c23:4015:b7fc%6]) with mapi id 15.20.3763.009; Wed, 13 Jan 2021 15:16:52 +0000 From: Trond Myklebust To: "hch@infradead.org" CC: "pgoetz@math.utexas.edu" , "wangzhibei1999@gmail.com" , "chuck.lever@oracle.com" , "greg@kroah.com" , "w@1wt.eu" , "security@kernel.org" , "bfields@fieldses.org" , "linux-nfs@vger.kernel.org" Subject: Re: nfsd vurlerability submit Thread-Topic: nfsd vurlerability submit Thread-Index: AQHW6PgWrSMkggXjGU6epPPdOSc+z6okNQOAgAAHfgCAAAwBAIAA7UQAgABqwQCAAAGYAIAACiqA Date: Wed, 13 Jan 2021 15:16:52 +0000 Message-ID: References: <20210108154230.GB950@1wt.eu> <20210111193655.GC2600@fieldses.org> <20210112153208.GF9248@fieldses.org> <8296b696a7fa5591ad3fbb05bfcf6bdf6175cc38.camel@hammerspace.com> <42fcbc42-f1b3-5d99-c507-e1b579f5a37a@math.utexas.edu> <20210112180326.GI9248@fieldses.org> <20210113081238.GA1428651@infradead.org> <0da3d3f1fee1a70eab3f78212f9282b03e21fc4d.camel@hammerspace.com> <20210113144026.GA1517953@infradead.org> In-Reply-To: <20210113144026.GA1517953@infradead.org> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: infradead.org; dkim=none (message not signed) header.d=none;infradead.org; dmarc=none action=none header.from=hammerspace.com; x-originating-ip: [68.36.133.222] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 4d56057f-9506-4c71-584b-08d8b7d641e0 x-ms-traffictypediagnostic: CH2PR13MB3509: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; 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:CH2PR13MB3525.namprd13.prod.outlook.com;PTR:;CAT:NONE;SFS:(366004)(6486002)(86362001)(498600001)(6512007)(8676002)(66446008)(83380400001)(66946007)(66476007)(2906002)(71200400001)(4326008)(6506007)(26005)(186003)(8936002)(6916009)(2616005)(64756008)(76116006)(66556008)(7116003)(54906003)(3480700007)(5660300002)(36756003);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: =?utf-8?B?c09CNHl0U0Nqbm9OU3puSVEzaCtVOTFxWjFLNjJXWHNkaDkvZHBxTFQvU3hW?= =?utf-8?B?YzNmMSs4UkJqR00rRjFwUDA5TjZVckhwZnlXN1Y2Y25WSFVxNUdVRjN3NTNG?= =?utf-8?B?eXdLa25xRGkzQ2dZcVp5NzRmS1hFcHg4VlZBV2xPOWRqNDc5WEs0ZHlDWDlS?= =?utf-8?B?Z25YWHI1VGRaVjNmamNvaVFLSlFDNEZXczhpNldvWS90MEkvVGgrTGR2WkhC?= =?utf-8?B?bjQxWWtHRFB0QmhvZEJuZndoR09FeEVNR0V5OWs0Ky91UW1JUnkySDUxYXYx?= =?utf-8?B?Tjg3Y1BOYzErc2xNckN5N25nbS9UZXpWVExsMUlUdUQ0cHRQMmNTbTU2Z1Rh?= =?utf-8?B?b3VzTmdjeno1QU1MNlBDelFEOC80cTAxek01K3AvTTh6YnZtTGtXd2V4a1R3?= =?utf-8?B?Vm8vaDdnZ2J1U2ZBSlV1ZDVYazltOEVOODFOMldYV3cyaWFPU3hENUNmMEV5?= =?utf-8?B?RkxtODVqVHNxM0dMRUd0TWhodlA3aUFZYlNpdFBCM1NNa0tGcGlISzlWQmtD?= =?utf-8?B?WmhEY3JxVS9LQThhamR2a0grL2VJWFlXMkgyVDlGV0xSRjVTTTNNZWRqNDJT?= =?utf-8?B?UXd4ekxOK3dTRmtPR250QUpmc2VHTmVXYUZMMFNqbVJQc0J5K2FhTmRiU2lW?= =?utf-8?B?RXFxNkVJR0pUMWk5bFo0bDRSd1d2Ym96Yk5scGFlMENWdEQ2Q3BvczlJVUtp?= =?utf-8?B?YldobTRFbFN6V1F0Vm9sU2VmSDJrbitmTzAwbFA4U3BpQ20xaWdkNzNaaEFS?= =?utf-8?B?cmhvR2k5M2ZTbncwOXpLN2RNZlVIZVJiUWo1bldYUnpYcFc5TnNKT3Vzems1?= =?utf-8?B?aExvdFQ1YTBFZ3U2dkU0a0ZuK2ZvMm04SkcwUFl1UFdpWkg1Y2FiWEFMdzZI?= =?utf-8?B?cWsrdk1kT2dGOStWeDc5YmJEcnZXdDRxV2ozbDltVXdWeGFtY3JxY29TWjhi?= =?utf-8?B?N2REamhnWGhyRmhkaTc4MDlRaTNESkIyLy84WXhwQnVVcllKOE1HUkdGMTJh?= =?utf-8?B?WFh5a1RFT2h0em1XZ0djMlhMVSs1SHFDUHd0NzZPMlIvSFBtbHpyNjU5bjIy?= =?utf-8?B?cVhLS2kzeUdqZkZ2c1pFSkVGUFhNaFErblM1K1JhbXBHOW1EK1ZRSlprMUw3?= =?utf-8?B?SnJKZytLRkh6TXUxelZNWEFKZWxFL0c0WGhqMnhSZEtxVE1LaDdjR0N3REhV?= =?utf-8?B?NEMvcXY0M3RLWk1TVlI2WlozRjBBMHFHb29ieVkvNVFveElMYi9JNGwycVkz?= =?utf-8?B?T3NjUW5NMnZzbHdGUThPMHREOGV0WjJqQmNnS1VkalFJVFdaMjJybzNsTWs4?= =?utf-8?Q?jq2ra9S616w9GInKZgIE1Ztg8rgvcdeIEi?= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: hammerspace.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CH2PR13MB3525.namprd13.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4d56057f-9506-4c71-584b-08d8b7d641e0 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Jan 2021 15:16:52.7931 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 0d4fed5c-3a70-46fe-9430-ece41741f59e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: nEiMWPK/MUt93+gQplo2WXcY+v2ViPnIo+lgrsJsne6k6fFW2pcqnzRZyglcS80EGaQVY3qN+5dX2Q2jEyB7+A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR13MB3509 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org T24gV2VkLCAyMDIxLTAxLTEzIGF0IDE0OjQwICswMDAwLCBoY2hAaW5mcmFkZWFkLm9yZyB3cm90 ZToNCj4gT24gV2VkLCBKYW4gMTMsIDIwMjEgYXQgMDI6MzQ6NDVQTSArMDAwMCwgVHJvbmQgTXlr bGVidXN0IHdyb3RlOg0KPiA+IE9uIFdlZCwgMjAyMS0wMS0xMyBhdCAwODoxMiArMDAwMCwgQ2hy aXN0b3BoIEhlbGx3aWcgd3JvdGU6DQo+ID4gPiBGWUksIGlmIHBlb3BsZSByZWFsbHkgd2FudCB0 byB1c2Ugc29tZSBzb3J0IG9mIHN1YnRyZWUgZXhwb3J0cywNCj4gPiA+IGZvcg0KPiA+ID4gWEZT DQo+ID4gPiAoYW5kIHByb2JhYmx5IGV4dDQpIHdlIGVuY29kZSB0aGUgcHJvamVjdCBpZCBpbnRv IHRoZSBmaWxlIGhhbmRsZQ0KPiA+ID4gYW5kDQo+ID4gPiB1c2UgdGhlIGhpZXJhcmNoaWNhbCBw cm9qZWN0IElEIGluaGVyaXRhbmNlIHRoYXQgd2UgYWxyZWFkeSB1c2UNCj4gPiA+IGZvcg0KPiA+ ID4gcHJvamVjdCBxdW90YXMuDQo+ID4gDQo+ID4gWW91J2QgYmFzaWNhbGx5IG5lZWQgc29tZXRo aW5nIGFsb25nIHRoZSBsaW5lcyBvZiBhIE5ldEFwcCBxdHJlZS4NCj4gPiANCj4gPiBpLmUuIGEg cGVyc2lzdGVkIHRhZyB0aGF0IGNhbiBsYWJlbCBhbGwgdGhlIGZpbGVzIGFuZCBkaXJlY3Rvcmll cw0KPiA+IGluIGENCj4gPiBzdWJ0cmVlLCBhbmQgdGhhdCBpcyB1c2VkIHRvIGVuZm9yY2UgYSBz ZXQgb2YgcnVsZXMgdGhhdCBhcmUNCj4gPiBnZW5lcmFsbHkNCj4gPiBub3JtYWxseSBhc3NvY2lh dGVkIHdpdGggZmlsZXN5c3RlbXMuIFNvIG5vIHJlbmFtZXMgZnJvbSBvYmplY3RzDQo+ID4gaW5z aWRlDQo+ID4gdGhlIHN1YnRyZWUgdG8gZGlyZWN0b3JpZXMgdGhhdCBsaWUgb3V0c2lkZSBpdC4g Tm8gaGFyZCBsaW5rcyB0aGF0DQo+ID4gY3Jvc3MgdGhlIHN1YnRyZWUgYm91bmRhcnkuDQo+IA0K PiBUaGF0IGlzIHRoZSBYRlMgcHJvamVjdCBJRCwgd2hpY2ggZXh0NCBoYXMgYWxzbyBwaWNrZWQg dXAgYSBmZXcgeWVhcnMNCj4gYWdvLg0KDQpIb3cgd291bGQgdGhhdCB3b3JrIHRoZW4/IFdvdWxk IHlvdSBqdXN0IGxvb2sgYXQgdGhlIHByb2plY3QgSUQgb2YgdGhlDQpkaXJlY3RvcnkgaWRlbnRp ZmllZCBieSB0aGUgZmlsZWhhbmRsZSBhcyB0aGUgZXhwb3J0IHBvaW50LCBhbmQgdGhlbg0KbWF0 Y2ggdG8gdGhlIHByb2plY3QgSUQgb24gdGhlIHRhcmdldCBpbm9kZT8gVGhhdCBzb3VuZHMgbGlr ZSBpdA0KZG9lc24ndCBldmVuIG5lZWQgdG8gZW5jb2RlIGFueXRoaW5nIHNwZWNpYWwgaW4gdGhl IGZpbGVoYW5kbGUuDQoNCkhvdyBkbyB5b3Ugc2V0IGEgcHJvamVjdCBJRCBpbiBYRlM/DQoNCi0t IA0KVHJvbmQgTXlrbGVidXN0DQpMaW51eCBORlMgY2xpZW50IG1haW50YWluZXIsIEhhbW1lcnNw YWNlDQp0cm9uZC5teWtsZWJ1c3RAaGFtbWVyc3BhY2UuY29tDQoNCg0K