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=-6.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 5D352C4363A for ; Thu, 22 Oct 2020 08:40:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6D5021775 for ; Thu, 22 Oct 2020 08:40:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2509552AbgJVIki (ORCPT ); Thu, 22 Oct 2020 04:40:38 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:29609 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2508136AbgJVIkh (ORCPT ); Thu, 22 Oct 2020 04:40:37 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-193-KyNHXYWSMIqmBJxmOt-l6A-1; Thu, 22 Oct 2020 09:40:33 +0100 X-MC-Unique: KyNHXYWSMIqmBJxmOt-l6A-1 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; Thu, 22 Oct 2020 09:40:32 +0100 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; Thu, 22 Oct 2020 09:40:32 +0100 From: David Laight To: 'David Hildenbrand' , Greg KH , Al Viro , "Nick Desaulniers" CC: Christoph Hellwig , "kernel-team@android.com" , Andrew Morton , "Jens Axboe" , Arnd Bergmann , David Howells , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-mips@vger.kernel.org" , "linux-parisc@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "linux-s390@vger.kernel.org" , "sparclinux@vger.kernel.org" , "linux-block@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-aio@kvack.org" , "io-uring@vger.kernel.org" , "linux-arch@vger.kernel.org" , "linux-mm@kvack.org" , "netdev@vger.kernel.org" , "keyrings@vger.kernel.org" , "linux-security-module@vger.kernel.org" Subject: RE: Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Thread-Topic: Buggy commit tracked to: "Re: [PATCH 2/9] iov_iter: move rw_copy_check_uvector() into lib/iov_iter.c" Thread-Index: AQHWqE5GNDfnH4y9nkGWtfqJueR1KKmjTCJQ Date: Thu, 22 Oct 2020 08:40:32 +0000 Message-ID: <5d2ecb24db1e415b8ff88261435386ec@AcuMS.aculab.com> References: <20200925045146.1283714-1-hch@lst.de> <20200925045146.1283714-3-hch@lst.de> <20201021161301.GA1196312@kroah.com> <20201021233914.GR3576660@ZenIV.linux.org.uk> <20201022082654.GA1477657@kroah.com> <80a2e5fa-718a-8433-1ab0-dd5b3e3b5416@redhat.com> In-Reply-To: <80a2e5fa-718a-8433-1ab0-dd5b3e3b5416@redhat.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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com 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: io-uring@vger.kernel.org RnJvbTogRGF2aWQgSGlsZGVuYnJhbmQNCj4gU2VudDogMjIgT2N0b2JlciAyMDIwIDA5OjM1DQo+ IA0KPiBPbiAyMi4xMC4yMCAxMDoyNiwgR3JlZyBLSCB3cm90ZToNCj4gPiBPbiBUaHUsIE9jdCAy MiwgMjAyMCBhdCAxMjozOToxNEFNICswMTAwLCBBbCBWaXJvIHdyb3RlOg0KPiA+PiBPbiBXZWQs IE9jdCAyMSwgMjAyMCBhdCAwNjoxMzowMVBNICswMjAwLCBHcmVnIEtIIHdyb3RlOg0KPiA+Pj4g T24gRnJpLCBTZXAgMjUsIDIwMjAgYXQgMDY6NTE6MzlBTSArMDIwMCwgQ2hyaXN0b3BoIEhlbGx3 aWcgd3JvdGU6DQo+ID4+Pj4gRnJvbTogRGF2aWQgTGFpZ2h0IDxEYXZpZC5MYWlnaHRAQUNVTEFC LkNPTT4NCj4gPj4+Pg0KPiA+Pj4+IFRoaXMgbGV0cyB0aGUgY29tcGlsZXIgaW5saW5lIGl0IGlu dG8gaW1wb3J0X2lvdmVjKCkgZ2VuZXJhdGluZw0KPiA+Pj4+IG11Y2ggYmV0dGVyIGNvZGUuDQo+ ID4+Pj4NCj4gPj4+PiBTaWduZWQtb2ZmLWJ5OiBEYXZpZCBMYWlnaHQgPGRhdmlkLmxhaWdodEBh Y3VsYWIuY29tPg0KPiA+Pj4+IFNpZ25lZC1vZmYtYnk6IENocmlzdG9waCBIZWxsd2lnIDxoY2hA bHN0LmRlPg0KPiA+Pj4+IC0tLQ0KPiA+Pj4+ICBmcy9yZWFkX3dyaXRlLmMgfCAxNzkgLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tDQo+ID4+Pj4gIGxpYi9p b3ZfaXRlci5jICB8IDE3NiArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKw0KPiA+Pj4+ICAyIGZpbGVzIGNoYW5nZWQsIDE3NiBpbnNlcnRpb25zKCspLCAxNzkg ZGVsZXRpb25zKC0pDQo+ID4+Pg0KPiA+Pj4gU3RyYW5nZWx5LCB0aGlzIGNvbW1pdCBjYXVzZXMg YSByZWdyZXNzaW9uIGluIExpbnVzJ3MgdHJlZSByaWdodCBub3cuDQo+ID4+Pg0KPiA+Pj4gSSBj YW4ndCByZWFsbHkgZmlndXJlIG91dCB3aGF0IHRoZSByZWdyZXNzaW9uIGlzLCBvbmx5IHRoYXQg dGhpcyBjb21taXQNCj4gPj4+IHRyaWdnZXJzIGEgImxhcmdlIEFuZHJvaWQgc3lzdGVtIGJpbmFy eSIgZnJvbSB3b3JraW5nIHByb3Blcmx5LiAgVGhlcmUncw0KPiA+Pj4gbm8ga2VybmVsIGxvZyBt ZXNzYWdlcyBhbnl3aGVyZSwgYW5kIEkgZG9uJ3QgaGF2ZSBhbnkgd2F5IHRvIHN0cmFjZSB0aGUN Cj4gPj4+IHRoaW5nIGluIHRoZSB0ZXN0aW5nIGZyYW1ld29yaywgc28gYW55IGhpbnRzIHRoYXQg cGVvcGxlIGNhbiBwcm92aWRlDQo+ID4+PiB3b3VsZCBiZSBtb3N0IGFwcHJlY2lhdGVkLg0KPiA+ Pg0KPiA+PiBJdCdzIGEgcHVyZSBtb3ZlIC0gbW9kdWxvIGNoYW5nZWQgbGluZSBicmVha3MgaW4g dGhlIGFyZ3VtZW50IGxpc3RzDQo+ID4+IHRoZSBmdW5jdGlvbnMgaW52b2x2ZWQgYXJlIGlkZW50 aWNhbCBiZWZvcmUgYW5kIGFmdGVyIHRoYXQgKGp1c3QgY2hlY2tlZA0KPiA+PiB0aGF0IGRpcmVj dGx5LCBieSBjaGVja2luZyBvdXQgdGhlIHRyZWVzIGJlZm9yZSBhbmQgYWZ0ZXIsIGV4dHJhY3Rp bmcgdHdvDQo+ID4+IGZ1bmN0aW9ucyBpbiBxdWVzdGlvbiBmcm9tIGZzL3JlYWRfd3JpdGUuYyBh bmQgbGliL2lvdl9pdGVyLmMgKGJlZm9yZSBhbmQNCj4gPj4gYWZ0ZXIsIHJlc3AuKSBhbmQgY2hl Y2tpbmcgdGhlIGRpZmYgYmV0d2VlbiB0aG9zZS4NCj4gPj4NCj4gPj4gSG93IGNlcnRhaW4gaXMg eW91ciBiaXNlY3Rpb24/DQo+ID4NCj4gPiBUaGUgYmlzZWN0aW9uIGlzIHZlcnkgcmVwcm9kdWNh YmxlLg0KPiA+DQo+ID4gQnV0LCB0aGlzIGxvb2tzIG5vdyB0byBiZSBhIGNvbXBpbGVyIGJ1Zy4g IEknbSB1c2luZyB0aGUgbGF0ZXN0IHZlcnNpb24NCj4gPiBvZiBjbGFuZyBhbmQgaWYgSSBwdXQg Im5vaW5saW5lIiBhdCB0aGUgZnJvbnQgb2YgdGhlIGZ1bmN0aW9uLA0KPiA+IGV2ZXJ5dGhpbmcg d29ya3MuDQo+IA0KPiBXZWxsLCB0aGUgY29tcGlsZXIgY2FuIGRvIG1vcmUgaW52YXNpdmUgb3B0 aW1pemF0aW9ucyB3aGVuIGlubGluaW5nLiBJZg0KPiB5b3UgaGF2ZSBidWdneSBjb2RlIHRoYXQg cmVsaWVzIG9uIHNvbWUgdW5zcGVjaWZpZWQgYmVoYXZpb3IsIGlubGluaW5nDQo+IGNhbiBjaGFu Z2UgdGhlIGJlaGF2aW9yIC4uLiBidXQgZ29pbmcgb3ZlciB0aGF0IGNvZGUsIHRoZXJlIGlzbid0 IHRvbw0KPiBtdWNoIGFjdGlvbiBnb2luZyBvbi4gQXQgbGVhc3Qgbm90aGluZyBzY3JlYW1lZCBh dCBtZS4NCg0KQXBhcnQgZnJvbSBhbGwgdGhlIG9wdGltaXNhdGlvbnMgdGhhdCBnZXQgcmlkIG9m ZiB0aGUgJ3Bhc3MgYmUgcmVmZXJlbmNlJw0KcGFyYW1ldGVycyBhbmQgc3RyYW5nZSBjb25kaXRp b25hbCB0ZXN0cy4NClBsZW50eSBvZiBzY29wZSBmb3IgdGhlIGNvbXBpbGVyIGdldHRpbmcgaXQg d3JvbmcuDQpCdXQgbm90aGluZyBldmVuIHZhZ3VlbHkgaWxsZWdhbC4NCg0KCURhdmlkDQoNCi0N ClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBN aWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxl cykNCg==