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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A247C433EF for ; Fri, 17 Jun 2022 09:19:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380390AbiFQJTa (ORCPT ); Fri, 17 Jun 2022 05:19:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37248 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235609AbiFQJTZ (ORCPT ); Fri, 17 Jun 2022 05:19:25 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B48085AEF3 for ; Fri, 17 Jun 2022 02:19:23 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-220-s7RJKPWvOuOU30OW3UVyvA-1; Fri, 17 Jun 2022 10:19:20 +0100 X-MC-Unique: s7RJKPWvOuOU30OW3UVyvA-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.36; Fri, 17 Jun 2022 10:19:17 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.036; Fri, 17 Jun 2022 10:19:17 +0100 From: David Laight To: 'Linus Torvalds' , Matthew Wilcox CC: "Jason A. Donenfeld" , Linux-MM , linux-xfs , "linux-hardening@vger.kernel.org" , Linux Kernel Mailing List , Uladzislau Rezki , "Kees Cook" , Greg Kroah-Hartman , Joe Perches Subject: RE: [PATCH] usercopy: use unsigned long instead of uintptr_t Thread-Topic: [PATCH] usercopy: use unsigned long instead of uintptr_t Thread-Index: AQHYgbX7+B40USEpAkCPXvMJQcFna61TTqwg Date: Fri, 17 Jun 2022 09:19:17 +0000 Message-ID: <169e9522f5494a47bd99c6febf90d931@AcuMS.aculab.com> References: <20220616143617.449094-1-Jason@zx2c4.com> 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 RnJvbTogTGludXMgVG9ydmFsZHMNCj4gU2VudDogMTYgSnVuZSAyMDIyIDIwOjE5DQo+IA0KPiBP biBUaHUsIEp1biAxNiwgMjAyMiBhdCAxMjoxNCBQTSBMaW51cyBUb3J2YWxkcw0KPiA8dG9ydmFs ZHNAbGludXgtZm91bmRhdGlvbi5vcmc+IHdyb3RlOg0KPiA+DQo+ID4gSW4gdGhhdCBzaXR1YXRp b24sIHdlJ2QgcHJvYmFibHkganVzdCBzZWUgImxvbmcgbG9uZyIgYmVpbmcgMTI4LWJpdA0KPiA+ ICgiSTMyTFA2NExMMTI4IikuDQo+IA0KPiBMb29raW5nIGFyb3VuZCwgaXQgbG9va3MgbGlrZSBw ZW9wbGUgcHJlZmVyICJsb25nIGxvbmcgbG9uZyIgKG9yIGluDQo+IHRoZSBrZXJuZWwsIGp1c3Qg InUxMjgiKSBmb3IgdGhpcywgYmVjYXVzZSBzbyBtYW55IGhhdmUgYWxyZWFkeSBnb3R0ZW4NCj4g dXNlZCB0byAibG9uZyBsb25nIiBiZWluZyA2NC1iaXQsIGFuZCAzMi1iaXQgYXJjaGl0ZWN0dXJl cyAod2hlcmUNCj4gImxvbmciIGlzIDMyLWJpdCBhbmQgImxvbmcgbG9uZyIgaXMgNjQtYml0KSBh cmUgc3RpbGwgcmVsZXZhbnQgZW5vdWdoDQo+IHRoYXQgcGVvcGxlIHdhbnQgdG8ga2VlcCB0aGF0 Lg0KDQpDaGFuZ2luZyAnbG9uZyBsb25nJyB0byAxMjggYml0cyB3aWxsIGJyZWFrIHRoaW5ncy4N Ck11Y2ggbGlrZSBhIGNlcnRhaW4gT1MgdGhhdCBpcyBJTDMyUDY0TEw2NCBiZWNhdXNlIHRvbyBt dWNoDQpjb2RlIHVzZWQgJ2xvbmcnIHRvIG1lYW4gMzJiaXRzIHdoZW4gaW50IHdhcyAxNiBiaXRz LiANCg0KZ2NjIGFscmVhZHkgaGFzIHN1cHBvcnQgZm9yIDEyOGJpdCBpbnRlZ2VycyAob24gNjRi aXQgc3lzdGVtcykNCmVtdWxhdGVkIHVzaW5nIHR3byA2NGJpdCByZWdpc3RlcnMgKF9fdTEyOCA/ PykNCg0KQW55dGhpbmcgd2FudGluZyB0aGVtIHByb2JhYmx5IHdhbnRzIHRoZW0gZXhwbGljaXRs eSBhbmQgZXZlbiBkZWNpZGluZw0KdGhhdCB1aW50bWF4X3QgaXMgc3VkZGVubHkgMTI4IGJpdCB3 aWxsIHByb2JhYmx5IGJyZWFrIHRoaW5ncyENCg0KVGhlIG9ubHkgcGxhY2UgSSBjYW4gaW1hZ2lu ZSAnbG9uZyBsb25nIGxvbmcnIGJlaW5nIHVzZWQNCmlzIGFzICIlbGxsZCIgaW4gcHJpbnRmIGZv cm1hdHMuDQoNClNpbmNlICdzaG9ydCcgYW5kICdsb25nJyBhcmUgYm90aCB0eXBlcyBhbmQgcXVh bGlmaWVycw0KeW91IGNhbiBoYXZlICdsb25nIGNoYXIsICdsb25nIHNob3J0JyBhbmQgJ3Nob3J0 IGxvbmcnLg0KVGhlc2UgY291bGQgYmUgaW50ZXJlc3Rpbmcgb24gYW4gSTY0TDI1NiBzeXN0ZW0g Oi0pDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkg Um9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlv biBObzogMTM5NzM4NiAoV2FsZXMpDQo=