Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752646AbeADJy7 (ORCPT + 1 other); Thu, 4 Jan 2018 04:54:59 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:2143 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752343AbeADJy6 (ORCPT ); Thu, 4 Jan 2018 04:54:58 -0500 From: Hugues FRUCHET To: Andi Kleen CC: "linux-kernel@vger.kernel.org" , "akpm@linux-foundation.org" , Andi Kleen , "mchehab@s-opensource.com" Subject: Re: [PATCH] Fix read buffer overflow in delta-ipc Thread-Topic: [PATCH] Fix read buffer overflow in delta-ipc Thread-Index: AQHTerrHtVDn5KqlEkaIBHHbWXaJuaNh53EAgAD1ugCAAKBkgA== Date: Thu, 4 Jan 2018 09:53:38 +0000 Message-ID: References: <20171222001212.1850-1-andi@firstfloor.org> <74958ca0-e78e-0505-f738-1ddda50d8ead@st.com> <20180104001933.3jcawm7eqrfgmvr7@two.firstfloor.org> In-Reply-To: <20180104001933.3jcawm7eqrfgmvr7@two.firstfloor.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.50] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-01-04_05:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: SGkgQW5kaSwNCg0KQW55d2F5IHdlIGNhbm5vdCBrZWVwIHN0cmNweSwgaWYgbmFtZSBpcyBub3Qg TlVMTCB0ZXJtaW5hdGVkIGNhc2UsIA0KbXNnLm5hbWUgaXMgb3ZlcmZsb3dlZC4NClRyeWluZyB0 byBmaW5kIHNvbWUgc2FmZSBkZXNpZ24gcGF0dGVybiBhYm91dCB0aGF0LCBJJ3ZlIGZvdW5kIHN0 cnNjcHk6DQpodHRwczovL2x3bi5uZXQvQXJ0aWNsZXMvNjQzMzc2Lw0KaHR0cHM6Ly9naXQua2Vy bmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5lbC9naXQvdG9ydmFsZHMvbGludXguZ2l0L2NvbW1p dC8/aWQ9MzBjNDQ2NTlmNGEzZTdlMWY5ZjQ3ZTg5NTU5MWI0YjQwYmY2MjY3MQ0KDQp3aGljaCBj bGVhcmx5IGluZGljYXRlcyBlcnJvciBpbiBjYXNlIG9mIG92ZXJmbG93LCBzbyBjb2RlIGJlY29t ZXM6DQotCW1lbWNweShtc2cubmFtZSwgbmFtZSwgc2l6ZW9mKG1zZy5uYW1lKSk7DQotCW1zZy5u YW1lW3NpemVvZihtc2cubmFtZSkgLSAxXSA9IDA7DQorCWlmIChzdHJzY3B5KG1zZy5uYW1lLCBu YW1lLCBzaXplb2YobXNnLm5hbWUpKSA8PSAwKQ0KKyAgICAgICAgIGdvdG8gZXJyOw0KDQpXaGF0 IGRvIHlvdSB0aGluayBvZiB0aGlzIHByb3Bvc2FsID8NCg0KQmVzdCByZWdhcmRzLA0KSHVndWVz Lg0KDQpPbiAwMS8wNC8yMDE4IDAxOjE5IEFNLCBBbmRpIEtsZWVuIHdyb3RlOg0KPiBPbiBXZWQs IEphbiAwMywgMjAxOCBhdCAwOTo0MDowNEFNICswMDAwLCBIdWd1ZXMgRlJVQ0hFVCB3cm90ZToN Cj4+IEhpIEFuZGksDQo+PiBUaGFua3MgZm9yIHRoZSBwYXRjaCBidXQgSSB3b3VsZCBzdWdnZXN0 IHRvIHVzZSBzdHJsY3B5IGluc3RlYWQsIHRoaXMNCj4+IHdpbGwgZ3VhcmQgbXNnLm5hbWUgb3Zl cndyaXRpbmcgYW5kIGFkZCB0aGUgTlVMTCB0ZXJtaW5hdGlvbiBpbiBjYXNlDQo+PiBvZiB0cnVu Y2F0aW9uOg0KPj4gLQltZW1jcHkobXNnLm5hbWUsIG5hbWUsIHNpemVvZihtc2cubmFtZSkpOw0K Pj4gLQltc2cubmFtZVtzaXplb2YobXNnLm5hbWUpIC0gMV0gPSAwOw0KPj4gKwlzdHJsY3B5KG1z Zy5uYW1lLCBuYW1lLCBzaXplb2YobXNnLm5hbWUpKTsNCj4gDQo+IEknbSBub3QgYW4gZXhwZXJ0 IG9uIHlvdXIgc2V0dXAsIGJ1dCBpdCBzZWVtcyBzdHJsY3B5IHdvdWxkIGxlYWsgc29tZQ0KPiB1 bmluaXRpYWxpemVkIHN0YWNrIGRhdGEgb3ZlciB5b3VyIGlwYyBtZWNoYW5pc20uIHN0cmNscHkg ZG9lc24ndCBwYWQgdGhlDQo+IGRhdGEuIElmIHRoZSBJUEMgaXMgYSBzZWN1cml0eSBib3VuZGFy eSB0aGF0IHdvdWxkIGJlIGEgc2VjdXJpdHkgYnVnLg0KPiANCj4gU28gSSB0aGluayB0aGUgb3Jp Z2luYWwgcGF0Y2ggaXMgYmV0dGVyIHRoYW4gc3RybGNweS4NCj4gDQo+IC1BbmRpDQo+IA==