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[209.132.180.67]) by mx.google.com with ESMTP id 70-v6si4302690ple.246.2018.02.05.04.11.01; Mon, 05 Feb 2018 04:11:17 -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 S1752607AbeBEMK2 (ORCPT + 99 others); Mon, 5 Feb 2018 07:10:28 -0500 Received: from smtp-out6.electric.net ([192.162.217.189]:55294 "EHLO smtp-out6.electric.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752574AbeBEMKV (ORCPT ); Mon, 5 Feb 2018 07:10:21 -0500 Received: from 1eifbD-0009FD-TT by out6b.electric.net with emc1-ok (Exim 4.87) (envelope-from ) id 1eifbG-0009Z6-UJ; Mon, 05 Feb 2018 04:10:18 -0800 Received: by emcmailer; Mon, 05 Feb 2018 04:10:18 -0800 Received: from [156.67.243.126] (helo=AcuMS.aculab.com) by out6b.electric.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-SHA384:256) (Exim 4.87) (envelope-from ) id 1eifbD-0009FD-TT; Mon, 05 Feb 2018 04:10:15 -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 12:11:07 +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 12:11:07 +0000 From: David Laight To: 'Boris Ostrovsky' , Arnd Bergmann , Juergen Gross CC: Nicolas Pitre , Andi Kleen , "Dan Carpenter" , Jan Beulich , "xen-devel@lists.xenproject.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] xen: hypercall: fix out-of-bounds memcpy Thread-Topic: [PATCH] xen: hypercall: fix out-of-bounds memcpy Thread-Index: AQHTnH5MZeMmOwTXYkSEccagX73Jx6OVu3wg Date: Mon, 5 Feb 2018 12:11:07 +0000 Message-ID: <1eddce614f604c518b9bf238a2f92e4b@AcuMS.aculab.com> References: <20180202153240.1190361-1-arnd@arndb.de> In-Reply-To: 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 RnJvbTogQm9yaXMgT3N0cm92c2t5DQo+IFNlbnQ6IDAyIEZlYnJ1YXJ5IDIwMTggMjM6MzQNCi4u Lg0KPiA+ICAJc3dpdGNoIChjbWQpIHsNCj4gPiArCWNhc2UgRVZUQ0hOT1BfYmluZF9pbnRlcmRv bWFpbjoNCj4gPiArCQlsZW4gPSBzaXplb2Yoc3RydWN0IGV2dGNobl9iaW5kX2ludGVyZG9tYWlu KTsNCj4gPiArCQlicmVhazsNCj4gPiArCWNhc2UgRVZUQ0hOT1BfYmluZF92aXJxOg0KPiA+ICsJ CWxlbiA9IHNpemVvZihzdHJ1Y3QgZXZ0Y2huX2JpbmRfdmlycSk7DQo+ID4gKwkJYnJlYWs7DQo+ ID4gKwljYXNlIEVWVENITk9QX2JpbmRfcGlycToNCj4gPiArCQlsZW4gPSBzaXplb2Yoc3RydWN0 IGV2dGNobl9iaW5kX3BpcnEpOw0KPiA+ICsJCWJyZWFrOw0KPiA+ICAJY2FzZSBFVlRDSE5PUF9j bG9zZToNCj4gPiArCQlsZW4gPSBzaXplb2Yoc3RydWN0IGV2dGNobl9jbG9zZSk7DQo+ID4gKwkJ YnJlYWs7DQo+ID4gIAljYXNlIEVWVENITk9QX3NlbmQ6DQo+ID4gKwkJbGVuID0gc2l6ZW9mKHN0 cnVjdCBldnRjaG5fc2VuZCk7DQo+ID4gKwkJYnJlYWs7DQo+ID4gKwljYXNlIEVWVENITk9QX2Fs bG9jX3VuYm91bmQ6DQo+ID4gKwkJbGVuID0gc2l6ZW9mKHN0cnVjdCBldnRjaG5fYWxsb2NfdW5i b3VuZCk7DQo+ID4gKwkJYnJlYWs7DQo+ID4gKwljYXNlIEVWVENITk9QX2JpbmRfaXBpOg0KPiA+ ICsJCWxlbiA9IHNpemVvZihzdHJ1Y3QgZXZ0Y2huX2JpbmRfaXBpKTsNCj4gPiArCQlicmVhazsN Cj4gPiArCWNhc2UgRVZUQ0hOT1Bfc3RhdHVzOg0KPiA+ICsJCWxlbiA9IHNpemVvZihzdHJ1Y3Qg ZXZ0Y2huX3N0YXR1cyk7DQo+ID4gKwkJYnJlYWs7DQo+ID4gIAljYXNlIEVWVENITk9QX2JpbmRf dmNwdToNCj4gPiArCQlsZW4gPSBzaXplb2Yoc3RydWN0IGV2dGNobl9iaW5kX3ZjcHUpOw0KPiA+ ICsJCWJyZWFrOw0KPiA+ICAJY2FzZSBFVlRDSE5PUF91bm1hc2s6DQo+ID4gLQkJLyogbm8gb3V0 cHV0ICovDQo+ID4gKwkJbGVuID0gc2l6ZW9mKHN0cnVjdCBldnRjaG5fdW5tYXNrKTsNCj4gPiAg CQlicmVhazsNCg0KQXJlIHRoZSBFVlRDSE5PUF94eHggdmFsdWVzIGRlbnNlPw0KSW4gd2hpY2gg Y2FzZSBhbiBhcnJheSBpcyBhbG1vc3QgY2VydGFpbmx5IGJldHRlciB0aGFuIHRoZSBzd2l0Y2gg c3RhdGVtZW50Lg0KDQoJRGF2aWQNCg0K