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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 AF7BFC2D0A8 for ; Sat, 26 Sep 2020 13:17:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 63AF8207EA for ; Sat, 26 Sep 2020 13:17:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729172AbgIZNRK (ORCPT ); Sat, 26 Sep 2020 09:17:10 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:60392 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726956AbgIZNRJ (ORCPT ); Sat, 26 Sep 2020 09:17:09 -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-180-5VJINhz9NTSAtIoj2E6Mig-1; Sat, 26 Sep 2020 14:17:05 +0100 X-MC-Unique: 5VJINhz9NTSAtIoj2E6Mig-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; Sat, 26 Sep 2020 14:17:04 +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; Sat, 26 Sep 2020 14:17:04 +0100 From: David Laight To: David Laight , 'syzbot' , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "syzkaller-bugs@googlegroups.com" , "viro@zeniv.linux.org.uk" Subject: RE: WARNING in __kernel_read (2) Thread-Topic: WARNING in __kernel_read (2) Thread-Index: AQHWk7DmAtv55MEfq0C+fzgffzQfPql6xRLQgAAhQ/A= Date: Sat, 26 Sep 2020 13:17:04 +0000 Message-ID: <642ed0b4810d44ab97a7832ccb8b3e44@AcuMS.aculab.com> References: <000000000000da992305b02e9a51@google.com> <3b3de066852d4e30bd9d85bd28023100@AcuMS.aculab.com> In-Reply-To: <3b3de066852d4e30bd9d85bd28023100@AcuMS.aculab.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: linux-kernel@vger.kernel.org RnJvbTogRGF2aWQgTGFpZ2h0DQo+IFNlbnQ6IDI2IFNlcHRlbWJlciAyMDIwIDEyOjE2DQo+IFRv OiAnc3l6Ym90JyA8c3l6Ym90KzUxMTc3ZTQxNDRkNzY0ODI3YzQ1QHN5emthbGxlci5hcHBzcG90 bWFpbC5jb20+OyBsaW51eC1mc2RldmVsQHZnZXIua2VybmVsLm9yZzsNCj4gbGludXgta2VybmVs QHZnZXIua2VybmVsLm9yZzsgc3l6a2FsbGVyLWJ1Z3NAZ29vZ2xlZ3JvdXBzLmNvbTsgdmlyb0B6 ZW5pdi5saW51eC5vcmcudWsNCj4gU3ViamVjdDogUkU6IFdBUk5JTkcgaW4gX19rZXJuZWxfcmVh ZCAoMikNCj4gDQo+ID4gRnJvbTogc3l6Ym90IDxzeXpib3QrNTExNzdlNDE0NGQ3NjQ4MjdjNDVA c3l6a2FsbGVyLmFwcHNwb3RtYWlsLmNvbT4NCj4gPiBTZW50OiAyNiBTZXB0ZW1iZXIgMjAyMCAw Mzo1OA0KPiA+IFRvOiBsaW51eC1mc2RldmVsQHZnZXIua2VybmVsLm9yZzsgbGludXgta2VybmVs QHZnZXIua2VybmVsLm9yZzsgc3l6a2FsbGVyLWJ1Z3NAZ29vZ2xlZ3JvdXBzLmNvbTsNCj4gPiB2 aXJvQHplbml2LmxpbnV4Lm9yZy51aw0KPiA+IFN1YmplY3Q6IFdBUk5JTkcgaW4gX19rZXJuZWxf cmVhZCAoMikNCj4gDQo+IEkgc3VzcGVjdCB0aGlzIGlzIGNhbGxpbmcgZmluaXRfbW9kdWxlKCkg b24gYW4gZmQNCj4gdGhhdCBkb2Vzbid0IGhhdmUgcmVhZCBwZXJtaXNzaW9ucy4NCg0KQ29kZSBp bnNwZWN0aW9uIGFsc28gc2VlbXMgdG8gaW1wbHkgdGhhdCB0aGUgY2hlY2sgbWVhbnMNCnRoZSBl eGVjKCkgYWxzbyByZXF1aXJlcyByZWFkIHBlcm1pc3Npb25zIG9uIHRoZSBmaWxlLg0KDQpUaGlz IGlzbid0IHRyYWRpdGlvbmFsbHkgdHJ1ZS4NCnN1aWQgIyEgc2NyaXB0cyBhcmUgcGFydGljdWxh cmx5IG9kZCB3aXRob3V0ICdvd25lciByZWFkJw0KKGV2ZXJ5b25lIGV4Y2VwdCB0aGUgb3duZXIg Y2FuIHJ1biB0aGVtISkuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNp ZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsN ClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=