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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA8E9C33C9E for ; Fri, 31 Jan 2020 02:53:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66C67206F0 for ; Fri, 31 Jan 2020 02:53:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="kU2cMA3o" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727895AbgAaCxw (ORCPT ); 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Fri, 31 Jan 2020 10:53:02 +0800 Received: from [172.21.84.99] (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 31 Jan 2020 10:51:23 +0800 Message-ID: <1580439225.11126.34.camel@mtksdccf07> Subject: Re: [PATCH v4 2/2] kasan: add test for invalid size in memmove From: Walter Wu To: Andrew Morton CC: Andrey Ryabinin , Dmitry Vyukov , Alexander Potapenko , "Matthias Brugger" , "kasan-dev@googlegroups.com" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , wsd_upstream , "linux-mediatek@lists.infradead.org" Date: Fri, 31 Jan 2020 10:53:45 +0800 In-Reply-To: <20200130181613.1bfb8df8e73a280512cab8ef@linux-foundation.org> References: <20191112065313.7060-1-walter-zh.wu@mediatek.com> <619b898f-f9c2-1185-5ea7-b9bf21924942@virtuozzo.com> <1580355838.11126.5.camel@mtksdccf07> <20200130181613.1bfb8df8e73a280512cab8ef@linux-foundation.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVGh1LCAyMDIwLTAxLTMwIGF0IDE4OjE2IC0wODAwLCBBbmRyZXcgTW9ydG9uIHdyb3RlOg0K PiBPbiBUaHUsIDMwIEphbiAyMDIwIDExOjQzOjU4ICswODAwIFdhbHRlciBXdSA8d2FsdGVyLXpo Lnd1QG1lZGlhdGVrLmNvbT4gd3JvdGU6DQo+IA0KPiA+IE9uIEZyaSwgMjAxOS0xMS0yMiBhdCAw NjoyMSArMDgwMCwgQW5kcmV5IFJ5YWJpbmluIHdyb3RlOg0KPiA+ID4gDQo+ID4gPiBPbiAxMS8x Mi8xOSA5OjUzIEFNLCBXYWx0ZXIgV3Ugd3JvdGU6DQo+ID4gPiA+IFRlc3QgbmVnYXRpdmUgc2l6 ZSBpbiBtZW1tb3ZlIGluIG9yZGVyIHRvIHZlcmlmeSB3aGV0aGVyIGl0IGNvcnJlY3RseQ0KPiA+ ID4gPiBnZXQgS0FTQU4gcmVwb3J0Lg0KPiA+ID4gPiANCj4gPiA+ID4gQ2FzdGluZyBuZWdhdGl2 ZSBudW1iZXJzIHRvIHNpemVfdCB3b3VsZCBpbmRlZWQgdHVybiB1cCBhcyBhIGxhcmdlDQo+ID4g PiA+IHNpemVfdCwgc28gaXQgd2lsbCBoYXZlIG91dC1vZi1ib3VuZHMgYnVnIGFuZCBiZSBkZXRl Y3RlZCBieSBLQVNBTi4NCj4gPiA+ID4gDQo+ID4gPiA+IFNpZ25lZC1vZmYtYnk6IFdhbHRlciBX dSA8d2FsdGVyLXpoLnd1QG1lZGlhdGVrLmNvbT4NCj4gPiA+ID4gUmV2aWV3ZWQtYnk6IERtaXRy eSBWeXVrb3YgPGR2eXVrb3ZAZ29vZ2xlLmNvbT4NCj4gPiA+IA0KPiA+ID4gUmV2aWV3ZWQtYnk6 IEFuZHJleSBSeWFiaW5pbiA8YXJ5YWJpbmluQHZpcnR1b3p6by5jb20+DQo+ID4gDQo+ID4gSGkg QW5kcmV5LCBEbWl0cnksIEFuZHJldywNCj4gPiANCj4gPiBXb3VsZCB5b3UgdGVsbCBtZSB3aHkg dGhpcyBwYXRjaC1zZXRzIGRvbid0IG1lcmdlIGludG8gbGludXgtbmV4dCB0cmVlPw0KPiA+IFdl IGxvc3Qgc29tZXRoaW5nPw0KPiA+IA0KPiANCj4gSW4gcmVzcG9uc2UgdG8gWzEvMl0gQW5kcmV5 IHNhaWQgIlNvIGxldCdzIGtlZXAgdGhpcyBjb2RlIGFzIHRoaXMiIGFuZA0KPiB5b3Ugc2FpZCAi SSB3aWxsIHNlbmQgYSBuZXcgdjUgcGF0Y2ggdG9tb3Jyb3ciLiAgU28gd2UncmUgYXdhaXRpbmcg YSB2NQ0KPiBwYXRjaHNldD8NCj4gDQoNCkhpIEFuZHJldywNCg0KVGhlIFsxLzJdIHBhdGNoIGRp c2N1c3Npb24gc2hvd3MgYmVsb3cuIFRoYW5rcyBmb3IgRGltaXRyeSBoZWxwIHRvDQpleHBsYWlu IGl0LiBTbyB0aGF0IHY0IHBhdGNoc2V0IGdvdCBBbmRyZXkncyBzaWduYXR1cmUuIEJlY2F1c2Ug SSBzZWUNCkFuZHJleSBzYWlkICJCdXQgSSBzZWUgeW91IHBvaW50IG5vdy4gTm8gb2JqZWN0aW9u cyB0byB0aGUgcGF0Y2ggaW4gdGhhdA0KY2FzZS4iDQoNCkBBbmRyZXksIGlmIEkgaGF2ZSBhbiBp bmNvcnJlY3QgdW5kZXJzdGFuZGluZywgcGxlYXNlIGxldCBtZSBrbm93LiANClRoYW5rcyBmb3Ig eW91ciBoZWxwLg0KDQpodHRwczovL2xrbWwub3JnL2xrbWwvMjAxOS8xMS8yMS8xMDE5DQpodHRw czovL2xrbWwub3JnL2xrbWwvMjAxOS8xMS8yMS8xMDIwDQoNCg0KV2FsdGVyDQo=