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 3A924C4167B for ; Mon, 27 Nov 2023 10:35:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232988AbjK0Kfe (ORCPT ); Mon, 27 Nov 2023 05:35:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232972AbjK0Kf3 (ORCPT ); Mon, 27 Nov 2023 05:35:29 -0500 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 707B3183 for ; Mon, 27 Nov 2023 02:35:35 -0800 (PST) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-304--iAy6FWzNo6bScLr0riqlw-1; Mon, 27 Nov 2023 10:35:32 +0000 X-MC-Unique: -iAy6FWzNo6bScLr0riqlw-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Mon, 27 Nov 2023 10:35:42 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Mon, 27 Nov 2023 10:35:42 +0000 From: David Laight To: =?utf-8?B?J0Nsw6ltZW50IEzDqWdlcic=?= , Paul Walmsley , Palmer Dabbelt , Albert Ou , "linux-riscv@lists.infradead.org" , "linux-kernel@vger.kernel.org" CC: Christoph Hellwig , Ben Dooks , kernel test robot Subject: RE: [PATCH v2] riscv: fix incorrect use of __user pointer Thread-Topic: [PATCH v2] riscv: fix incorrect use of __user pointer Thread-Index: AQHaHsrcAiRrTVkzkEi8HCpEAmrYerCLK9CggALOZICAAAHAIA== Date: Mon, 27 Nov 2023 10:35:42 +0000 Message-ID: <72fb7d8085a644e4a3e2e540a9ed6847@AcuMS.aculab.com> References: <20231124113803.165431-1-cleger@rivosinc.com> <9cb1fadf-bb83-4e9f-9c29-bff53e30b0c6@rivosinc.com> In-Reply-To: <9cb1fadf-bb83-4e9f-9c29-bff53e30b0c6@rivosinc.com> 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 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 RnJvbTogQ2zDqW1lbnQgTMOpZ2VyDQo+IFNlbnQ6IDI3IE5vdmVtYmVyIDIwMjMgMTA6MjQNCj4g DQo+IE9uIDI1LzExLzIwMjMgMTY6MzcsIERhdmlkIExhaWdodCB3cm90ZToNCj4gPiAuLi4NCj4g Pj4gQEAgLTQ5MSw3ICs0ODYsNyBAQCBpbnQgaGFuZGxlX21pc2FsaWduZWRfbG9hZChzdHJ1Y3Qg cHRfcmVncyAqcmVncykNCj4gPj4NCj4gPj4gIAl2YWwuZGF0YV91NjQgPSAwOw0KPiA+PiAgCWZv ciAoaSA9IDA7IGkgPCBsZW47IGkrKykgew0KPiA+PiAtCQlpZiAobG9hZF91OChyZWdzLCAodm9p ZCAqKShhZGRyICsgaSksICZ2YWwuZGF0YV9ieXRlc1tpXSkpDQo+ID4+ICsJCWlmIChsb2FkX3U4 KHJlZ3MsIGFkZHIgKyBpLCAmdmFsLmRhdGFfYnl0ZXNbaV0pKQ0KPiA+PiAgCQkJcmV0dXJuIC0x Ow0KPiA+PiAgCX0NCj4gPg0KPiA+IEknZCByZWFsbHkgaGF2ZSB0aG91Z2h0IHRoYXQgeW91J2Qg d2FudCB0byBwdWxsIHRoZSBrZXJuZWwvdXNlcg0KPiA+IGNoZWNrIHdheSBvdXRzaWRlIHRoZSBs b29wPw0KPiANCj4gSGkgRGF2aWQsDQo+IA0KPiBJIGhvcGUgdGhlIGNvbXBpbGVyIGlzIGFibGUg dG8gZXh0cmFjdCB0aGF0ICdpZicgb3V0IG9mIHRoZSBsb29wIHNpbmNlDQo+IHJlZ3MgaXNuJ3Qg bW9kaWZpZWQgaW4gdGhlIGxvb3AuIE5ldmVydGhlbGVzcywgdGhhdCBjb3VsZCBiZSBtb3JlDQo+ ICJjbGVhciIgaWYgcHV0IG91dHNpZGUgaW5kZWVkLg0KDQpJZiBoYXMgYWNjZXNzIHJlZ3MtPnh4 eCB0aGVuIHRoZSBjb21waWxlciBjYW4ndCBkbyBzbyBiZWNhdXNlIGl0DQp3aWxsIG11c3QgYXNz dW1lIHRoYXQgdGhlIGFzc2lnbm1lbnQgbWlnaHQgYWxpYXMgaW50byAncmVncycuDQpUaGF0IGlz IGV2ZW4gdHJ1ZSBmb3IgYnl0ZSB3cml0ZXMgaWYgJ3N0cmljdC1hbGlhc2luZycgaXMgZW5hYmxl ZA0KLSB3aGljaCBpdCBpc24ndCBmb3IgbGludXgga2VybmVsIGJ1aWxkcy4NCg0KSXQgbWlnaHQg ZG8gc28gaWYgJ3JlZ3MnIHdlcmUgJ2NvbnN0JzsgaXQgdGVuZHMgdG8gYXNzdW1lIHRoYXQgaWYN Cml0IGNhbid0IGNoYW5nZSAgc29tZXRoaW5nIG5vdGhpbmcgY2FuIC0gYWx0aG91Z2ggdGhhdCBp c24ndCB0cnVlLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBC cmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdp c3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K