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[23.128.96.18]) by mx.google.com with ESMTP id j22si668278eds.357.2020.09.28.07.37.31; Mon, 28 Sep 2020 07:37:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726589AbgI1Og0 (ORCPT + 99 others); Mon, 28 Sep 2020 10:36:26 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:39753 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726566AbgI1Og0 (ORCPT ); Mon, 28 Sep 2020 10:36:26 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-94-MLV1u31VP7mjvYEQ13qqnA-1; Mon, 28 Sep 2020 15:36:22 +0100 X-MC-Unique: MLV1u31VP7mjvYEQ13qqnA-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 28 Sep 2020 15:36:21 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Mon, 28 Sep 2020 15:36:21 +0100 From: David Laight To: 'Dmitry Kasatkin' , "linux-fsdevel@vger.kernel.org" CC: Al Viro , linux-security-module , "linux-kernel@vger.kernel.org" Subject: RE: Mount options may be silently discarded Thread-Topic: Mount options may be silently discarded Thread-Index: AQHWlZ/5eWLTSDvNKUCiSiyDXsLcfql+HVKQ Date: Mon, 28 Sep 2020 14:36:21 +0000 Message-ID: <87bb66c2a7f94bd1ab768a8160e48e39@AcuMS.aculab.com> References: In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogRG1pdHJ5IEthc2F0a2luDQo+IFNlbnQ6IDI4IFNlcHRlbWJlciAyMDIwIDE1OjAzDQo+ IA0KPiAiY29weV9tb3VudF9vcHRpb25zIiBmdW5jdGlvbiBjYW1lIHRvIG15IGV5ZXMuDQo+IEl0 IHNwbGl0cyBjb3B5IGludG8gMiBwaWVjZXMgLSBvdmVyIHBhZ2UgYm91bmRhcmllcy4NCj4gSSB3 b25kZXIgd2hhdCBpcyB0aGUgcmVhbCByZWFzb24gZm9yIGRvaW5nIHRoaXM/DQo+IE9yaWdpbmFs IGNvbW1lbnQgd2FzIHRoYXQgd2UgbmVlZCBleGFjdCBieXRlcyBhbmQgc29tZSB1c2VyIG1lbWNw eQ0KPiBmdW5jdGlvbnMgIGRvIG5vdCByZXR1cm4gY29ycmVjdCBudW1iZXIgb24gcGFnZSBmYXVs dC4NCj4gDQo+IEJ1dCBob3cgd291bGQgYWxsIG90aGVyIGNhc2VzIHdvcms/DQo+IA0KPiBodHRw czovL2VsaXhpci5ib290bGluLmNvbS9saW51eC9sYXRlc3Qvc291cmNlL2ZzL25hbWVzcGFjZS5j I0wzMDc1DQo+IA0KPiBpZiAoc2l6ZSAhPSBQQUdFX1NJWkUpIHsNCj4gICAgICAgIGlmIChjb3B5 X2Zyb21fdXNlcihjb3B5ICsgc2l6ZSwgZGF0YSArIHNpemUsIFBBR0VfU0laRSAtIHNpemUpKQ0K PiAgICAgICAgICAgICBtZW1zZXQoY29weSArIHNpemUsIDAsIFBBR0VfU0laRSAtIHNpemUpOw0K PiB9DQo+IA0KPiBUaGlzIGxvb2tzIGxpa2Ugc29tZSBvcHRpb25zIG1heSBiZSBqdXN0IGRpc2Nh cmRlZD8NCj4gV2hhdCBpZiBpdCBpcyBhbiBpbXBvcnRhbnQgc2VjdXJpdHkgb3B0aW9uPw0KPiAN Cj4gV2h5IGl0IGRvZXMgbm90IHJldHVybiBFRkFVTFQsIGJ1dCBqdXN0IG1lbXNldD8NCg0KVGhl IHVzZXIgZG9lc24ndCBzdXBwbHkgdGhlIHRyYW5zZmVyIGxlbmd0aCwgdGhlIG1heCBzaXplDQpp cyBhIHBhZ2UuDQpTaW5jZSB0aGUgY29weSBjYW4gb25seSBzdGFydCB0byBmYWlsIG9uIGEgcGFn ZSBib3VuZGFyeQ0KcmVhZGluZyBpbiB0d28gcGllY2VzIGlzIGV4YWN0bHkgdGhlIHNhbWUgYXMg a25vd2luZyB0aGUNCmFkZHJlc3MgYXQgd2hpY2ggdGhlIHRyYW5zZmVyIHN0YXJ0ZWQgdG8gZmFp bC4NCg0KU2luY2UgdGhlIGFjdHVhbCBtb3VudCBvcHRpb25zIGNhbiBiZSBtdWNoIHNtYWxsZXIg dGhhbg0KYSBwYWdlIChhbmQgdXN1YWxseSBhcmUpIHplcm8tZmlsbGluZyBpcyBiZXN0Lg0KDQoJ RGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1v dW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEz OTczODYgKFdhbGVzKQ0K