Received: by 10.223.176.5 with SMTP id f5csp2641183wra; Mon, 5 Feb 2018 07:29:26 -0800 (PST) X-Google-Smtp-Source: AH8x2273A2m7tyVN7KWfcC/xsESlT988gXTi9hKiDxycNfJ75YfKyF8Pkxrmd1GJgIyjFwz1BfoV X-Received: by 10.99.181.4 with SMTP id y4mr9470369pge.344.1517844565893; Mon, 05 Feb 2018 07:29:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517844565; cv=none; d=google.com; s=arc-20160816; b=KFjAzmoEsLL88zR9mRB0sh455Yt5OPXHOQx8chfUqs1GKbvrNuU1F/UxVtLE5wb3w9 4Sq6SCUscdGQzpmmtKu03wFL0sg3Cv1jNIoDUmB1EGAgBrXOaa6aw/b1l63oSWU0O1Cd HoH3CUtpKiejwRz/k8K5PBKqIx1biyvqp5XBEBeSBfA/xUq9krkSdD0ge2hsXlCwoGUy /cjH50LW3XdmKfUTDoc0CK0R4okO4i9msPMay3YqTensD0oy0Rlh5hD9fnJqSvz/BRCR +ztJWhxF27BiAmTgcg4NasrWKQd4aRym4ib1yU1YyJN/pyvXgJmlw+x4CvjX3sl/1npH UF2A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from :arc-authentication-results; bh=W+hZCiog+OUPrGb39VKitSpZqexLbssyntNj99BIecc=; b=w+mAWQvV8cnAWoJCWCHD3az6xbCGS8mHUzhH+n4HSIagLRFT+jvgozU8cC7K+Jzw1A f1EutuEpxxSkuzPRKKK29U1pLLRtz3mq3P8vi2Ch6LRVt8QAtvSpY11BMdw9cb/IsbNo a7L35lLhIQvZfXfmnkaFK8Cb0S9WI6j8kW4N+8PIWLHL+xj/JN2p/BImf+iUeQpGDC+2 7pzIEIJRKNc6cM/U/lA+p2mAIefaOE2+3YKbx+MpqijD8RFu8wrec/byNYUGJ+RBznQF nm+zA3tSbn872FsehQGY/sp0RtyzTXUzH0B1NHpLBU2YgQaUxdCoAIooS7QkYQSTAHos kPpg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 62-v6si4798099ple.267.2018.02.05.07.29.11; Mon, 05 Feb 2018 07:29:25 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753223AbeBEP1n (ORCPT + 99 others); Mon, 5 Feb 2018 10:27:43 -0500 Received: from smtp-out6.electric.net ([192.162.217.191]:50660 "EHLO smtp-out6.electric.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753137AbeBEP1j (ORCPT ); Mon, 5 Feb 2018 10:27:39 -0500 Received: from 1eiig7-000Aw9-Vk by out6a.electric.net with emc1-ok (Exim 4.87) (envelope-from ) id 1eiigA-000BB6-Td; Mon, 05 Feb 2018 07:27:34 -0800 Received: by emcmailer; Mon, 05 Feb 2018 07:27:34 -0800 Received: from [156.67.243.126] (helo=AcuMS.aculab.com) by out6a.electric.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-SHA384:256) (Exim 4.87) (envelope-from ) id 1eiig7-000Aw9-Vk; Mon, 05 Feb 2018 07:27:31 -0800 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, 5 Feb 2018 15:28:24 +0000 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, 5 Feb 2018 15:28:24 +0000 From: David Laight To: 'Andrew Cooper' , Arnd Bergmann , Boris Ostrovsky , Juergen Gross CC: "xen-devel@lists.xenproject.org" , "Dan Carpenter" , "linux-kernel@vger.kernel.org" Subject: RE: [Xen-devel] [PATCH] [v2] xen: hypercall: fix out-of-bounds memcpy Thread-Topic: [Xen-devel] [PATCH] [v2] xen: hypercall: fix out-of-bounds memcpy Thread-Index: AQHTnpTDsMW5KYPYZ0CHi4ZlpEvwv6OV7SDw Date: Mon, 5 Feb 2018 15:28:23 +0000 Message-ID: <0f6cfd45286247a3b69d46db1bc87fb5@AcuMS.aculab.com> References: <20180205150340.328921-1-arnd@arndb.de> <67d8f0f1-0846-876d-d36a-c8a9f9366243@citrix.com> In-Reply-To: <67d8f0f1-0846-876d-d36a-c8a9f9366243@citrix.com> 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: [10.202.205.33] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Outbound-IP: 156.67.243.126 X-Env-From: David.Laight@ACULAB.COM X-Proto: esmtps X-Revdns: X-HELO: AcuMS.aculab.com X-TLS: TLSv1.2:ECDHE-RSA-AES256-SHA384:256 X-Authenticated_ID: X-PolicySMART: 3396946, 3397078 X-Virus-Status: Scanned by VirusSMART (c) X-Virus-Status: Scanned by VirusSMART (s) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogQW5kcmV3IENvb3Blcg0KPiBTZW50OiAwNSBGZWJydWFyeSAyMDE4IDE1OjE0DQo+IA0K PiBPbiAwNS8wMi8xOCAxNTowMywgQXJuZCBCZXJnbWFubiB3cm90ZToNCj4gDQo+IFNuaXBwaW5n IGRlbGV0ZWQgY29kZSB0byBtYWtlIHRoaW5ncyBjbGVhcmVyOg0KPiANCj4gPiArCWlmIChjbWQg PiBBUlJBWV9TSVpFKHBoeXNkZXZvcF9sZW4pKQ0KPiA+ICsJCXJldHVybiAtRU5PU1lTOw0KPiA+ DQo+ID4gKwlsZW4gPSBwaHlzZGV2b3BfbGVuW2NtZF07DQo+ID4gKwltZW1jcHkoJm9wLnUsIGFy ZywgbGVuKTsNCj4gDQo+IFlvdSdsbCB3YW50IGFuIGFycmF5X25vc3BlYygpIG9yIHdoYXRldmVy IGl0cyBjYWxsZWQgdGhlc2UgZGF5cy7CoCBUaGlzDQo+IGNvZGUgaXMgU1AxLWxlYWt5Lg0KPiAN Cj4gVXNlcnNwYWNlIGNvbnRyb2xzIGNtZCBhbmQgY2FuIHJldHJpZXZlIGxlbiBieSB0aW1pbmcg aG93IG1hbnkgYWRqYWNlbnQNCj4gY2FjaGUgbGluZXMgd2VyZSBwdWxsZWQgaW4gbXkgbWVtY3B5 KCkuDQoNCldlbGwsIG1heWJlIGl0IGNhbiByZWFkIGJleW9uZCB0aGUgYm91bmRzIG9mIHBoeXNk ZXZvcF9sZW5bXS4NCkkgZG91YnQgdGhhdCB0aGUgbWVtY3B5KCkgd2lsbCBwdWxsIGluIG1hbnkg Y2FjaGUgbGluZXMgc28geW91DQpjYW4gcHJvYmFibHkgb25seSBkZXRlcm1pbmUgd2hldGhlciB0 aGUgdmFsdWUgaXMgMC4uNjMsIDY0Li4xMjcgb3IgMTI4Kw0KTm90IGxpa2VseSB0byBiZSBtdWNo IHVzZS4NCg0KCURhdmlkDQoNCg==