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 C313EC433EF for ; Mon, 11 Apr 2022 06:44:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245050AbiDKGqX (ORCPT ); Mon, 11 Apr 2022 02:46:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237600AbiDKGqT (ORCPT ); Mon, 11 Apr 2022 02:46:19 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD64A62E3; Sun, 10 Apr 2022 23:44:06 -0700 (PDT) Received: from kwepemi100007.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4KcK601WsSzgYbf; Mon, 11 Apr 2022 14:42:16 +0800 (CST) Received: from dggpeml500001.china.huawei.com (7.185.36.227) by kwepemi100007.china.huawei.com (7.221.188.115) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 11 Apr 2022 14:44:04 +0800 Received: from dggpeml500001.china.huawei.com ([7.185.36.227]) by dggpeml500001.china.huawei.com ([7.185.36.227]) with mapi id 15.01.2375.024; Mon, 11 Apr 2022 14:44:03 +0800 From: "kongweibin (A)" To: Eric Dumazet , Nicolas Dichtel , Eric Dumazet CC: David Miller , Jakub Kicinski , Willem de Bruijn , Pavel Begunkov , David Ahern , Vasily Averin , Martin KaFai Lau , LKML , netdev , "Chenxiang (EulerOS)" , liaichun , "stable@vger.kernel.org" Subject: =?utf-8?B?562U5aSNOiBbUEFUQ0ggbmV0XSBpcHY2OiBmaXggcGFuaWMgd2hlbiBmb3J3?= =?utf-8?Q?arding_a_pkt_with_no_in6_dev?= Thread-Topic: [PATCH net] ipv6: fix panic when forwarding a pkt with no in6 dev Thread-Index: AQHYS1GFP5ZHyMlOhU6tOD3A4UEJUazmEHeAgAQvdFA= Date: Mon, 11 Apr 2022 06:44:03 +0000 Message-ID: <01f85507886e435e97cc86f19abf0661@huawei.com> References: <59150cd5-9950-2479-a992-94dcdaa5e63c@6wind.com> <20220408140342.19311-1-nicolas.dichtel@6wind.com> <85da2373-d8ec-0049-bd3d-6b8f4b044edc@gmail.com> In-Reply-To: <85da2373-d8ec-0049-bd3d-6b8f4b044edc@gmail.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.136.112.250] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBrb25nd2VpYmluLCBjb3VsZCB5b3UgdGVzdCB0aGlzIHBhdGNoIHdpdGggeW91ciBzZXR1cD8N Cj4NCj4gVGhhbmtzLA0KPiBOaWNvbGFzDQo+DQo+ICAgbmV0L2lwdjYvaXA2X291dHB1dC5jIHwg MiArLQ0KPiAgIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQ0K Pg0KPiBkaWZmIC0tZ2l0IGEvbmV0L2lwdjYvaXA2X291dHB1dC5jIGIvbmV0L2lwdjYvaXA2X291 dHB1dC5jIGluZGV4IA0KPiBlMjNmMDU4MTY2YWYuLmZhNjNlZjJiZDk5YyAxMDA2NDQNCj4gLS0t IGEvbmV0L2lwdjYvaXA2X291dHB1dC5jDQo+ICsrKyBiL25ldC9pcHY2L2lwNl9vdXRwdXQuYw0K PiBAQCAtNDg1LDcgKzQ4NSw3IEBAIGludCBpcDZfZm9yd2FyZChzdHJ1Y3Qgc2tfYnVmZiAqc2ti KQ0KPiAgIAkJZ290byBkcm9wOw0KPiAgIA0KPiAgIAlpZiAoIW5ldC0+aXB2Ni5kZXZjb25mX2Fs bC0+ZGlzYWJsZV9wb2xpY3kgJiYNCj4gLQkgICAgIWlkZXYtPmNuZi5kaXNhYmxlX3BvbGljeSAm Jg0KPiArCSAgICAoIWlkZXYgfHwgIWlkZXYtPmNuZi5kaXNhYmxlX3BvbGljeSkgJiYNCj4gICAJ ICAgICF4ZnJtNl9wb2xpY3lfY2hlY2soTlVMTCwgWEZSTV9QT0xJQ1lfRldELCBza2IpKSB7DQo+ ICAgCQlfX0lQNl9JTkNfU1RBVFMobmV0LCBpZGV2LCBJUFNUQVRTX01JQl9JTkRJU0NBUkRTKTsN Cj4gICAJCWdvdG8gZHJvcDsNCg0KSSBoYXZlIHRlc3QgdGhlIHBhdGNoIHdpdGggbXkgc2V0dXAs IGl0IGlzIE9LLg0KDQoNCg0KPj4ga29uZ3dlaWJpbiByZXBvcnRlZCBhIGtlcm5lbCBwYW5pYyBp biBpcDZfZm9yd2FyZCgpIHdoZW4gaW5wdXQgDQo+PiBpbnRlcmZhY2UgaGFzIG5vIGluNiBkZXYg YXNzb2NpYXRlZC4NCj4+DQo+PiBUaGUgZm9sbG93aW5nIHRjIGNvbW1hbmRzIHdlcmUgdXNlZCB0 byByZXByb2R1Y2UgdGhpcyBwYW5pYzoNCj4+IHRjIHFkaXNjIGRlbCBkZXYgdnhsYW4xMDAgcm9v dA0KPj4gdGMgcWRpc2MgYWRkIGRldiB2eGxhbjEwMCByb290IG5ldGVtIGNvcnJ1cHQgNSUNCj4N Cj5Ob3Qgc3VyZSBJIHVuZGVyc3RhbmQgaG93IHRoZXNlIHFkaXNjIGNoYW5nZXMgY2FuIHRyaWdn ZXIgYSBOVUxMIGlkZXYgPw0KPg0KPkRvIHdlIGhhdmUgYW5vdGhlciBidWcsIGxpa2Ugc2tiLT5j YltdIGNvbnRlbnQgYmVpbmcgbWFuZ2xlZCA/DQo+DQoNCkFzIGZvciB3aHkgcWRpc2MgbWFrZXMg dGhlIGlkZXYgbnVsbCwgSSB0cmFja2VkIHdoZXJlIHRoZSBpaWYgYXNzaWduZWQgaW4gaXA2X3Jj dl9jb3JlLA0KdGhlcmUgaXMgbm8gcHJvYmxlbSB0aGVyZS4NCg0KTm90IHN1cmUgd2hhdCBoYXMg Y2hhbmdlZCB0aGF0IG1ha2VzIHRoZSBpaWYgdmFsdWUgd3JvbmcuDQoNCg0K