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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 865BEC433EF for ; Mon, 14 Mar 2022 10:44:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238667AbiCNKpQ (ORCPT ); Mon, 14 Mar 2022 06:45:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238586AbiCNKpM (ORCPT ); Mon, 14 Mar 2022 06:45:12 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 1E824BC28 for ; Mon, 14 Mar 2022 03:44:01 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-405-xB69G3nOOuef7tBQjIgr_Q-1; Mon, 14 Mar 2022 10:43:59 +0000 X-MC-Unique: xB69G3nOOuef7tBQjIgr_Q-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Mon, 14 Mar 2022 10:43:58 +0000 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.033; Mon, 14 Mar 2022 10:43:58 +0000 From: David Laight To: 'Dmitry Vyukov' , syzbot CC: "davem@davemloft.net" , "dsahern@kernel.org" , "kuba@kernel.org" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , "syzkaller-bugs@googlegroups.com" , "yoshfuji@linux-ipv6.org" , linux-riscv Subject: RE: [syzbot] kernel panic: corrupted stack end in rtnl_newlink Thread-Topic: [syzbot] kernel panic: corrupted stack end in rtnl_newlink Thread-Index: AQHYN4MkQzi6nDqsbUGqHyChCsNTUKy+sQcw Date: Mon, 14 Mar 2022 10:43:58 +0000 Message-ID: References: <0000000000008ec53005da294fe9@google.com> In-Reply-To: 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: 1 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 RnJvbTogRG1pdHJ5IFZ5dWtvdg0KPiBTZW50OiAxNCBNYXJjaCAyMDIyIDA5OjA5DQo+IA0KPiBP biBNb24sIDE0IE1hciAyMDIyIGF0IDA5OjIyLCBEbWl0cnkgVnl1a292IDxkdnl1a292QGdvb2ds ZS5jb20+IHdyb3RlOg0KPiA+DQo+ID4gT24gTW9uLCAxNCBNYXIgMjAyMiBhdCAwOToxNywgc3l6 Ym90DQo+ID4gPHN5emJvdCswNjAwOTg2ZDg4ZTJkNGQ3ZWJiOEBzeXprYWxsZXIuYXBwc3BvdG1h aWwuY29tPiB3cm90ZToNCj4gPiA+DQo+ID4gPiBIZWxsbywNCj4gPiA+DQo+ID4gPiBzeXpib3Qg Zm91bmQgdGhlIGZvbGxvd2luZyBpc3N1ZSBvbjoNCj4gPiA+DQo+ID4gPiBIRUFEIGNvbW1pdDog ICAgMDk2NmQzODU4MzBkIHJpc2N2OiBGaXggYXVpcGMramFsciByZWxvY2F0aW9uIHJhbmdlIGNo ZWNrcw0KPiA+ID4gZ2l0IHRyZWU6ICAgICAgIGdpdDovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20v bGludXgva2VybmVsL2dpdC9yaXNjdi9saW51eC5naXQgZml4ZXMNCj4gPiA+IGNvbnNvbGUgb3V0 cHV0OiBodHRwczovL3N5emthbGxlci5hcHBzcG90LmNvbS94L2xvZy50eHQ/eD0xN2ZlODBjNTcw MDAwMA0KPiA+ID4ga2VybmVsIGNvbmZpZzogIGh0dHBzOi8vc3l6a2FsbGVyLmFwcHNwb3QuY29t L3gvLmNvbmZpZz94PTYyOTVkNjc1OTEwNjQ5MjENCj4gPiA+IGRhc2hib2FyZCBsaW5rOiBodHRw czovL3N5emthbGxlci5hcHBzcG90LmNvbS9idWc/ZXh0aWQ9MDYwMDk4NmQ4OGUyZDRkN2ViYjgN Cj4gPiA+IGNvbXBpbGVyOiAgICAgICByaXNjdjY0LWxpbnV4LWdudS1nY2MgKERlYmlhbiAxMC4y LjEtNikgMTAuMi4xIDIwMjEwMTEwLCBHTlUgbGQgKEdOVSBCaW51dGlscyBmb3INCj4gRGViaWFu KSAyLjM1LjINCj4gPiA+IHVzZXJzcGFjZSBhcmNoOiByaXNjdjY0DQo+ID4NCj4gPiArbGludXgt cmlzY3YNCj4gPg0KPiA+IFJpc2N2IG5lZWRzIHRvIGluY3JlYXNlIHN0YWNrIHNpemUgdW5kZXIg S0FTQU4uDQo+ID4gSSB3aWxsIHNlbmQgYSBwYXRjaC4NCg0KV2l0aCB2bWFsbG9jKCllZCBzdGFj a3MgaXMgaXQgcG9zc2libGUgdG8gYWxsb2NhdGUgYW4gZXh0cmEgcGFnZQ0Kb2YgS1ZBIHRoYXQg aXNuJ3QgYmFja2VkIGJ5IG1lbW9yeSBhcyBhICdndWFyZCBwYWdlJyBzbyB0aGF0DQpzdGFjayBv dmVyZmxvdyBmYXVsdHMgaW1tZWRpYXRlbHk/DQoNClByb2JhYmx5IHdvcnRoIGVuZm9yY2luZyBm b3IgS0FTQU4gYnVpbGRzIHdoZXJlIHRoZSBjb21waWxlcnMNCmhhdmUgYSBuYXN0eSBoYWJpdCBv ZiB1c2luZyBsb3QgbW9yZSBzdGFjayBzcGFjZSB0aGF0IG1pZ2h0DQpiZSBleHBlY3RlZC4NCg0K CURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBN b3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAx Mzk3Mzg2IChXYWxlcykNCg==