Received: by 2002:ac0:bc90:0:0:0:0:0 with SMTP id a16csp3405649img; Mon, 25 Mar 2019 09:37:04 -0700 (PDT) X-Google-Smtp-Source: APXvYqwbZu7dTIBWRBtumD5gxrNwLL/fQgfDCyujDoJctSEVpyC0Ckz9Zi0ROWlSzeXC4Jz2Zw7z X-Received: by 2002:a17:902:396a:: with SMTP id e39mr4109925plg.220.1553531824869; Mon, 25 Mar 2019 09:37:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553531824; cv=none; d=google.com; s=arc-20160816; b=GDHJ7fj0uM8g6YYSSrEFP5KQEcJ1UChupOZyo41o5iB1BFs11DQ3SyuDtebCuP+6xR VTWfkbeMXrBqBrNwHU+Bk3vfkmHMfe0WjytmHXVBSuTKAB0MscqqlZxvSrVnYo6SZhxE AWU0E91GixdjCsFMUWNH3MNlXpMxH3TJY8sYOfqvv4Ro0hF1DOm+LTArCOP/0ViqpntB zylG7njEYMcgGPAtMxfFRwCP6mH9MuVg9uiI62ChN6tdjv5PAkvtEUa/eC3cV5ezlzBp 1sOs9KZly+iDz8vsJ5uReWQq15j9Hdr9QI1mYIzzcP24VwyKku+CnLQ3yo7Idq2KrfRf kDfw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:to:from:dkim-signature; bh=07fsGvYmVhq4sIBJpvb+eSbUdcuHZPzfkbJNzH+Q3f8=; b=WERgBoeVMjCkPqjMWyolWquJ3VktaB0Vduk33PmiR3nVCrD998C/cqIY4iRQrlg3C2 te8oXk5i+iDLqFIn6xk3uGX1etRYhcJgv1C0lWjN7Z9QzXDSPoKPqjtf06wJtyB8TlS/ eH76IoHdrSIFDJaY8wDU+FCk7b2EQX5+V0exFiAQcxeOJWiptGSLBsbTvRJZ6Eo7onH0 Sb0w898a39sT/VJxc9jjiJDbfOzU2PSLjek41JHEMBZW4KioCkJjmODGU7mYI2lha46/ sHSBu7jLX7OWgcK0fyuNMLUsgZUNWsBfMJxHIsxk+dMPf5byMfa+aY2k4YpcqNdUYmrl gUlw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ericsson.com header.s=selector1 header.b=gSlczPVq; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ericsson.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f18si707366pgj.188.2019.03.25.09.36.48; Mon, 25 Mar 2019 09:37:04 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ericsson.com header.s=selector1 header.b=gSlczPVq; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ericsson.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729882AbfCYQej (ORCPT + 99 others); Mon, 25 Mar 2019 12:34:39 -0400 Received: from mail-eopbgr710068.outbound.protection.outlook.com ([40.107.71.68]:2209 "EHLO NAM05-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729648AbfCYQeg (ORCPT ); Mon, 25 Mar 2019 12:34:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ericsson.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=07fsGvYmVhq4sIBJpvb+eSbUdcuHZPzfkbJNzH+Q3f8=; b=gSlczPVqA54OnnGtxDApb3e6Jcj7vIeTU5DZO6Y7hB3n8yvrMEc+xmBeQUG/uu3towljTHHFHRHDALPyYjgx15Me+mN4oiT0gs09QtXpk8ZD9+YYiypK2DH7QSGdAoXNHCKofJ0KLJoEZ7z+laYIfLsEmHbJ5+tsssV84HVc6+c= Received: from BL0PR1501MB2003.namprd15.prod.outlook.com (52.132.21.33) by BL0PR1501MB2068.namprd15.prod.outlook.com (52.132.21.154) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1730.16; Mon, 25 Mar 2019 16:34:32 +0000 Received: from BL0PR1501MB2003.namprd15.prod.outlook.com ([fe80::54bc:4aab:4230:3047]) by BL0PR1501MB2003.namprd15.prod.outlook.com ([fe80::54bc:4aab:4230:3047%4]) with mapi id 15.20.1730.019; Mon, 25 Mar 2019 16:34:32 +0000 From: Jon Maloy To: syzbot , "davem@davemloft.net" , "kuznet@ms2.inr.ac.ru" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , "syzkaller-bugs@googlegroups.com" , "tipc-discussion@lists.sourceforge.net" , "ying.xue@windriver.com" , "yoshfuji@linux-ipv6.org" Subject: RE: WARNING: locking bug in icmp_send Thread-Topic: WARNING: locking bug in icmp_send Thread-Index: AQHU4aKtpv/H8KwmQkaYLwC8x05gkaYcjZhg Date: Mon, 25 Mar 2019 16:34:32 +0000 Message-ID: References: <000000000000bc227a0582464e62@google.com> <0000000000003d44980584c6c82a@google.com> In-Reply-To: <0000000000003d44980584c6c82a@google.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=jon.maloy@ericsson.com; x-originating-ip: [24.225.233.31] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: d4b11083-f8e8-4203-2e8b-08d6b13fc2b0 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600127)(711020)(4605104)(2017052603328)(7153060)(7193020);SRVR:BL0PR1501MB2068; x-ms-traffictypediagnostic: BL0PR1501MB2068: x-ms-exchange-purlcount: 7 x-microsoft-antispam-prvs: x-forefront-prvs: 0987ACA2E2 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(136003)(376002)(396003)(346002)(39850400004)(366004)(199004)(189003)(13464003)(8676002)(68736007)(81166006)(6246003)(102836004)(106356001)(105586002)(81156014)(6506007)(76176011)(14454004)(53546011)(3846002)(5660300002)(110136005)(25786009)(316002)(33656002)(66066001)(7696005)(86362001)(2501003)(99286004)(2201001)(476003)(8936002)(305945005)(6306002)(9686003)(97736004)(6116002)(55016002)(53936002)(486006)(74316002)(11346002)(7736002)(478600001)(966005)(186003)(229853002)(6436002)(44832011)(26005)(71200400001)(52536014)(256004)(446003)(2906002)(14444005)(71190400001)(99710200001);DIR:OUT;SFP:1101;SCL:1;SRVR:BL0PR1501MB2068;H:BL0PR1501MB2003.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: ericsson.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: RcYR9gKFa20h2CAqwUSTjlZCwad98i2Pi1IPha31HpJXWZGWAEB32yI7ZQf9s8ojgK2hNGOvLVGQsaT1vkamdPJNlBpkl+AmgXj/8JKESZmmqKM8m2/eKA2xSoY78EBcOMBkzDgHdqPGYet3We2UfhyxFz5mUH1bOgb9WP1VrN19QeeAiIVvhm1qTjXHRSqcVlq8704ziighidwyD+fo6mEDJf/X6rt1KqeRj4pRtna+IQ7mpqG/P1NOj9a2h3b/LYGgVEam8LciuOGjuGX++0md0CcuqCqsWMRPZGeegzI6Zm9k9QAhWlTOW7nT0cLnUBlYRa+fBUeZwpZly8+EOVXe15jrY3NHtp+aigBoY788PXqJM2be8oKM2TT+5sg4gKc8BWfyTgXsna/Q1CFnBVHagy6xjEFBX7wYAjyOBHU= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: ericsson.com X-MS-Exchange-CrossTenant-Network-Message-Id: d4b11083-f8e8-4203-2e8b-08d6b13fc2b0 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Mar 2019 16:34:32.4754 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 92e84ceb-fbfd-47ab-be52-080c6b87953f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR1501MB2068 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org WWV0IGFub3RoZXIgZHVwbGljYXRlIG9mICBzeXpib3QrYTI1MzA3YWQwOTkzMDlmMWMyYjlAc3l6 a2FsbGVyLmFwcHNwb3RtYWlsLmNvbQ0KDQpBIGZpeCBoYXMgYmVlbiBwb3N0ZWQuDQoNCi8vL2pv bg0KDQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogbmV0ZGV2LW93bmVy QHZnZXIua2VybmVsLm9yZyA8bmV0ZGV2LW93bmVyQHZnZXIua2VybmVsLm9yZz4NCj4gT24gQmVo YWxmIE9mIHN5emJvdA0KPiBTZW50OiAyMy1NYXItMTkgMTk6MDMNCj4gVG86IGRhdmVtQGRhdmVt bG9mdC5uZXQ7IEpvbiBNYWxveSA8am9uLm1hbG95QGVyaWNzc29uLmNvbT47DQo+IGt1em5ldEBt czIuaW5yLmFjLnJ1OyBsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnOw0KPiBuZXRkZXZAdmdl ci5rZXJuZWwub3JnOyBzeXprYWxsZXItYnVnc0Bnb29nbGVncm91cHMuY29tOyB0aXBjLQ0KPiBk aXNjdXNzaW9uQGxpc3RzLnNvdXJjZWZvcmdlLm5ldDsgeWluZy54dWVAd2luZHJpdmVyLmNvbTsg eW9zaGZ1amlAbGludXgtDQo+IGlwdjYub3JnDQo+IFN1YmplY3Q6IFJlOiBXQVJOSU5HOiBsb2Nr aW5nIGJ1ZyBpbiBpY21wX3NlbmQNCj4gDQo+IHN5emJvdCBoYXMgYmlzZWN0ZWQgdGhpcyBidWcg dG86DQo+IA0KPiBjb21taXQgNTJkZmFlNWM4NWE0YzEwNzhlOWYxZDVlODk0N2Q0YTI1ZjczZGQ4 MQ0KPiBBdXRob3I6IEpvbiBNYWxveSA8am9uLm1hbG95QGVyaWNzc29uLmNvbT4NCj4gRGF0ZTog ICBUaHUgTWFyIDIyIDE5OjQyOjUyIDIwMTggKzAwMDANCj4gDQo+ICAgICAgdGlwYzogb2J0YWlu IG5vZGUgaWRlbnRpdHkgZnJvbSBpbnRlcmZhY2UgYnkgZGVmYXVsdA0KPiANCj4gYmlzZWN0aW9u IGxvZzogIGh0dHBzOi8vc3l6a2FsbGVyLmFwcHNwb3QuY29tL3gvYmlzZWN0LnR4dD94PTExYjZk YzVkMjAwMDAwDQo+IHN0YXJ0IGNvbW1pdDogICBiNTM3MmZlNSBleGVjOiBsb2FkX3NjcmlwdDog RG8gbm90IGV4ZWMgdHJ1bmNhdGVkIGludGVycHJlLi4NCj4gZ2l0IHRyZWU6ICAgICAgIHVwc3Ry ZWFtDQo+IGZpbmFsIGNyYXNoOiAgICBodHRwczovL3N5emthbGxlci5hcHBzcG90LmNvbS94L3Jl cG9ydC50eHQ/eD0xM2I2ZGM1ZDIwMDAwMA0KPiBjb25zb2xlIG91dHB1dDogaHR0cHM6Ly9zeXpr YWxsZXIuYXBwc3BvdC5jb20veC9sb2cudHh0P3g9MTViNmRjNWQyMDAwMDANCj4ga2VybmVsIGNv bmZpZzogIGh0dHBzOi8vc3l6a2FsbGVyLmFwcHNwb3QuY29tL3gvLmNvbmZpZz94PTcxMzIzNDQ3 MjhlN2VjM2YNCj4gZGFzaGJvYXJkIGxpbms6DQo+IGh0dHBzOi8vc3l6a2FsbGVyLmFwcHNwb3Qu Y29tL2J1Zz9leHRpZD1iYTIxZDY1ZjU1YjU2MjQzMmM1OA0KPiBzeXogcmVwcm86ICAgICAgaHR0 cHM6Ly9zeXprYWxsZXIuYXBwc3BvdC5jb20veC9yZXByby5zeXo/eD0xNGM5MGZhNzQwMDAwMA0K PiANCj4gUmVwb3J0ZWQtYnk6IHN5emJvdCtiYTIxZDY1ZjU1YjU2MjQzMmM1OEBzeXprYWxsZXIu YXBwc3BvdG1haWwuY29tDQo+IEZpeGVzOiA1MmRmYWU1Yzg1YTQgKCJ0aXBjOiBvYnRhaW4gbm9k ZSBpZGVudGl0eSBmcm9tIGludGVyZmFjZSBieSBkZWZhdWx0IikNCj4gDQo+IEZvciBpbmZvcm1h dGlvbiBhYm91dCBiaXNlY3Rpb24gcHJvY2VzcyBzZWU6DQo+IGh0dHBzOi8vZ29vLmdsL3Rwc21F SiNiaXNlY3Rpb24NCg==