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Thu, 7 May 2020 05:44:22 -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-224-NnifUXbxOzWpb5XrCVK4yA-1; Thu, 07 May 2020 10:44:19 +0100 X-MC-Unique: NnifUXbxOzWpb5XrCVK4yA-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; Thu, 7 May 2020 10:44:18 +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; Thu, 7 May 2020 10:44:18 +0100 From: David Laight To: =?utf-8?B?J01pY2thw6tsIFNhbGHDvG4n?= , "linux-kernel@vger.kernel.org" CC: Aleksa Sarai , Alexei Starovoitov , "Al Viro" , Andy Lutomirski , "Christian Heimes" , Daniel Borkmann , "Deven Bowers" , Eric Chiang , Florian Weimer , James Morris , Jan Kara , Jann Horn , Jonathan Corbet , Kees Cook , "Lakshmi Ramasubramanian" , Matthew Garrett , Matthew Wilcox , Michael Kerrisk , =?utf-8?B?TWlja2HDq2wgU2FsYcO8bg==?= , Mimi Zohar , =?utf-8?B?UGhpbGlwcGUgVHLDqWJ1Y2hldA==?= , Scott Shell , Sean Christopherson , Shuah Khan , Steve Dower , Steve Grubb , Thibaut Sautereau , Vincent Strubel , "kernel-hardening@lists.openwall.com" , "linux-api@vger.kernel.org" , "linux-integrity@vger.kernel.org" , "linux-security-module@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" Subject: RE: [PATCH v5 0/6] Add support for O_MAYEXEC Thread-Topic: [PATCH v5 0/6] Add support for O_MAYEXEC Thread-Index: AQHWIvJxeV/0BLZ+8kuLT1dTVkm+SqicRhNg///4h4CAABSTQP//+lUAgAAR6XA= Date: Thu, 7 May 2020 09:44:18 +0000 Message-ID: <635df0655b644408ac4822def8900383@AcuMS.aculab.com> References: <20200505153156.925111-1-mic@digikod.net> <20b24b9ca0a64afb9389722845738ec8@AcuMS.aculab.com> <907109c8-9b19-528a-726f-92c3f61c1563@digikod.net> <64426377-7fc4-6f37-7371-2e2a584e3032@digikod.net> In-Reply-To: <64426377-7fc4-6f37-7371-2e2a584e3032@digikod.net> Accept-Language: en-GB, en-US Content-Language: 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 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogTWlja2HDq2wgU2FsYcO8biA8bWljQGRpZ2lrb2QubmV0Pg0KPiBTZW50OiAwNyBNYXkg MjAyMCAxMDozMA0KPiBPbiAwNy8wNS8yMDIwIDExOjAwLCBEYXZpZCBMYWlnaHQgd3JvdGU6DQo+ ID4gRnJvbTogTWlja2HDq2wgU2FsYcO8bg0KPiA+PiBTZW50OiAwNyBNYXkgMjAyMCAwOTozNw0K PiA+IC4uLg0KPiA+Pj4gTm9uZSBvZiB0aGF0IGRlc2NyaXB0aW9uIGFjdHVhbGx5IHNheXMgd2hh dCB0aGUgcGF0Y2ggYWN0dWFsbHkgZG9lcy4NCj4gPj4NCj4gPj4gIkFkZCBzdXBwb3J0IGZvciBP X01BWUVYRUMiICJ0byBlbmFibGUgdG8gY29udHJvbCBzY3JpcHQgZXhlY3V0aW9uIi4NCj4gPj4g V2hhdCBpcyBub3QgY2xlYXIgaGVyZT8gVGhpcyBzZWVtcyB3ZWxsIHVuZGVyc3Rvb2QgYnkgb3Ro ZXIgY29tbWVudGVycy4NCj4gPj4gVGhlIGRvY3VtZW50YXRpb24gcGF0Y2ggYW5kIHRoZSB0YWxr cyBjYW4gYWxzbyBoZWxwLg0KPiA+DQo+ID4gSSdtIGd1ZXNzaW5nIHRoYXQgcGFzc2luZyBPX01B WUVYRUMgdG8gb3BlbigpIHJlcXVlc3RzIHRoZSBrZXJuZWwNCj4gPiBjaGVjayBmb3IgZXhlY3V0 ZSAneCcgcGVybWlzc2lvbnMgKGFzIHdlbGwgYXMgcmVhZCkuDQo+IA0KPiBZZXMsIGJ1dCBvbmx5 IHdpdGggb3BlbmF0MigpLg0KDQpJdCBjYW4ndCBtYXR0ZXIgaWYgdGhlIGZsYWcgaXMgaWdub3Jl ZC4NCkl0IGp1c3QgbWVhbnMgdGhlIGtlcm5lbCBpc24ndCBlbmZvcmNpbmcgdGhlIHBvbGljeS4N CklmIG9wZW5hdDIoKSBmYWlsIGJlY2F1c2UgdGhlIGZsYWcgaXMgdW5zdXBwb3J0ZWQgdGhlbg0K dGhlIGFwcGxpY2F0aW9uIHdpbGwgbmVlZCB0byByZXRyeSB3aXRob3V0IHRoZSBmbGFnLg0KDQpT byBpZiB0aGUgdXNlciBoYXMgYW55IGFiaWxpdHkgY3JlYXRlIGV4ZWN1dGFibGUgZmlsZXMgdGhp cw0KaXMgYWxsIHBvaW50bGVzcyAoZnJvbSBhIHNlY3VyaXR5IHBvaW50IG9mIHZpZXcpLg0KVGhl IHVzZXIgY2FuIGVpdGhlciBjb3B5IHRoZSBmaWxlIG9yIGNvcHkgaW4gYW4gaW50ZXJwcmV0ZXIN CnRoYXQgZG9lc24ndCByZXF1ZXN0IE9fTUFZRVhFQy4NCg0KSXQgbWlnaHQgc3RvcCBhY2NpZGVu dGFsIGlzc3VlcywgYnV0IG5vdGhpbmcgbWFsaWNpb3VzLg0KDQo+ID4gVGhlbiBrZXJuZWwgcG9s aWN5IGRldGVybWluZXMgd2hldGhlciAncmVhZCcgYWNjZXNzIGlzIGFjdHVhbGx5IGVub3VnaCwN Cj4gPiBvciB3aGV0aGVyICd4JyBhY2Nlc3MgKHBvc3NpYmx5IG1hc2tlZCBieSBtb3VudCBwZXJt aXNzaW9ucykgaXMgbmVlZGVkLg0KPiA+DQo+ID4gSWYgdGhhdCBpcyB0cnVlLCB0d28gbGluZXMg c2F5IHdoYXQgaXMgZG9lcy4NCj4gDQo+IFRoZSAiQSBzaW1wbGUgc3lzdGVtLXdpZGUgc2VjdXJp dHkgcG9saWN5IiBwYXJhZ3JhcGggaW50cm9kdWNlIHRoYXQsIGJ1dA0KPiBJJ2xsIGhpZ2hsaWdo dCBpdCBpbiB0aGUgbmV4dCBjb3ZlciBsZXR0ZXIuDQoNCk5vIGl0IGRvZXNuJ3QuDQpJdCBqdXN0 IHNheXMgdGhlcmUgaXMgc29tZSBraW5kIG9mIHBvbGljeSB0aGF0IHNvbWUgZmxhZ3MgY2hhbmdl Lg0KSXQgZG9lc24ndCBzYXkgd2hhdCBpcyBiZWluZyBjaGVja2VkIGZvci4NCg0KPiBUaGUgbW9z dCBpbXBvcnRhbnQgcG9pbnQgaXMNCj4gdG8gdW5kZXJzdGFuZCB3aHkgaXQgaXMgcmVxdWlyZWQs IGJlZm9yZSBnZXR0aW5nIHRvIGhvdyBpdCB3aWxsIGJlDQo+IGltcGxlbWVudGVkLg0KDQpCdXQg eW91IGRvbid0IHNheSB3aGF0IGlzIHJlcXVpcmVkLg0KSnVzdCBhIGxvYWQgb2YgYnV6endvcmQg cmFtYmxpbmdzLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBC cmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdp c3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K