Received: by 2002:a6b:fb09:0:0:0:0:0 with SMTP id h9csp696400iog; Thu, 30 Jun 2022 08:29:45 -0700 (PDT) X-Google-Smtp-Source: AGRyM1sgScloVemcLH/lKfqeemxvn0taUPXWYihkkjdYvYLPxe/4ZG4vdbfYmsisTw9PqyRjw30s X-Received: by 2002:a05:6402:360d:b0:435:710a:2531 with SMTP id el13-20020a056402360d00b00435710a2531mr12185160edb.377.1656602985090; Thu, 30 Jun 2022 08:29:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1656602985; cv=none; d=google.com; s=arc-20160816; b=XQSwN0Aq4/LarsYakkwCqx2ij1QybgZJKHU1mGgT5CAu/42UBzxFFADm3jdogbKQJx 2aImHhl0/qW+Pf0tdRayq7eqdGWuwDut+o69ujWAshJsXBwq62071rjc1ZLK7IAtUUK7 aZJlnkmZcw1Z0zrrj2IvKSTHmWT7+5KbL/JQirwCYdHrheHHcQW9MhHHFNmSHRyIYrPA v0dOh+297A5CKBsO178LEC1eayvvoDqNPE1Hp+w77uXYZcuS4uN96saW/BE+XfKXjD6f xGGvoy9n0/QVnLV6M+8tC64GfpK8ffIpLk983mavUI1uYyZU33gI6vK4azoQQHWbad30 JGwQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:mime-version :content-transfer-encoding:references:in-reply-to:subject:cc:to:from :date; bh=8+Sd4PiTNlvyQ0tXMnJmTITQ4wJJ+Gnc1GvN/eHERfc=; b=CV6sDxlL4XypyJFBZXj3RSC3VMuErYBlJnUq0L48n9vgqTH/1A0ZTS3X2y2IZCGw2B Im1kfnXw4KFCzRNpJH6hP3PQuSiaP7z0zzu1U7e3KB9hnvK7Di5o5nrME49JQLUse3cv rdiM98B1q2eHscPZsTTPHTSPY7Rozphh+TG+68VEyyUVILc513q+QbfmXroSe9zi56fE egN3DV4S49G0tGrbqTPNToQzQ0cB8lrvp7kcPyyrbxrSUm6/z5fzGdr1VJY1Qf8fcldY xje8Ou9HTwVprG/7I3QLzSmjOxR5qDIkIPJp97HCuARubJ7zg9+9qt3l52XQ0C9uXKmY KuLw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id y18-20020a056402359200b00435d3f815d5si27512442edc.456.2022.06.30.08.29.19; Thu, 30 Jun 2022 08:29:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235486AbiF3PJC (ORCPT + 99 others); Thu, 30 Jun 2022 11:09:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232771AbiF3PJB (ORCPT ); Thu, 30 Jun 2022 11:09:01 -0400 Received: from azure-sdnproxy-3.icoremail.net (azure-sdnproxy.icoremail.net [20.232.28.96]) by lindbergh.monkeyblade.net (Postfix) with SMTP id 8609E28E0F; Thu, 30 Jun 2022 08:08:59 -0700 (PDT) Received: by ajax-webmail-mail-app4 (Coremail) ; Thu, 30 Jun 2022 23:08:41 +0800 (GMT+08:00) X-Originating-IP: [221.192.178.120] Date: Thu, 30 Jun 2022 23:08:41 +0800 (GMT+08:00) X-CM-HeaderCharset: UTF-8 From: duoming@zju.edu.cn To: "Eric Dumazet" Cc: linux-hams@vger.kernel.org, netdev , LKML , "Paolo Abeni" , "Jakub Kicinski" , "David Miller" , "Ralf Baechle" Subject: Re: [PATCH net] net: rose: fix UAF bug caused by rose_t0timer_expiry X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.13 build 20210104(ab8c30b6) Copyright (c) 2002-2022 www.mailtech.cn zju.edu.cn In-Reply-To: References: <20220630143842.24906-1-duoming@zju.edu.cn> Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: X-Coremail-Locale: zh_CN X-CM-TRANSID: cS_KCgC3COF6vL1iQgHiAg--.63195W X-CM-SenderInfo: qssqjiasttq6lmxovvfxof0/1tbiAgARAVZdtaenFwABs6 X-Coremail-Antispam: 1Ur529EdanIXcx71UUUUU7IcSsGvfJ3iIAIbVAYjsxI4VWxJw CS07vEb4IE77IF4wCS07vE1I0E4x80FVAKz4kxMIAIbVAFxVCaYxvI4VCIwcAKzIAtYxBI daVFxhVjvjDU= X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE, SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGVsbG8sCgpPbiBUaHUsIDMwIEp1biAyMDIyIDE2OjQ0OjI5ICswMjAwIEVyaWMgRHVtYXpldCB3 cm90ZToKCj4gPiBUaGVyZSBhcmUgVUFGIGJ1Z3MgY2F1c2VkIGJ5IHJvc2VfdDB0aW1lcl9leHBp cnkoKS4gVGhlCj4gPiByb290IGNhdXNlIGlzIHRoYXQgZGVsX3RpbWVyKCkgY291bGQgbm90IHN0 b3AgdGhlIHRpbWVyCj4gPiBoYW5kbGVyIHRoYXQgaXMgcnVubmluZyBhbmQgdGhlcmUgaXMgbm8g c3luY2hyb25pemF0aW9uLgo+ID4gT25lIG9mIHRoZSByYWNlIGNvbmRpdGlvbnMgaXMgc2hvd24g YmVsb3c6Cj4gPgo+ID4gICAgICh0aHJlYWQgMSkgICAgICAgICAgICAgfCAgICAgICAgKHRocmVh ZCAyKQo+ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgfCByb3NlX2RldmljZV9ldmVudAo+ ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgfCAgIHJvc2VfcnRfZGV2aWNlX2Rvd24KPiA+ ICAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgICAgIHJvc2VfcmVtb3ZlX25laWdoCj4gPiBy b3NlX3QwdGltZXJfZXhwaXJ5ICAgICAgICB8ICAgICAgIHJvc2Vfc3RvcF90MHRpbWVyKHJvc2Vf bmVpZ2gpCj4gPiAgIC4uLiAgICAgICAgICAgICAgICAgICAgICB8ICAgICAgICAgZGVsX3RpbWVy KCZuZWlnaC0+dDB0aW1lcikKPiA+ICAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgICAgICAg ICBrZnJlZShyb3NlX25laWdoKSAvL1sxXUZSRUUKPiA+ICAgbmVpZ2gtPmRjZV9tb2RlIC8vWzJd VVNFIHwKPiA+Cj4gPiBUaGUgcm9zZV9uZWlnaCBpcyBkZWFsbG9jYXRlZCBpbiBwb3NpdGlvbiBb MV0gYW5kIHVzZSBpbgo+ID4gcG9zaXRpb24gWzJdLgo+ID4KPiA+IFRoZSBjcmFzaCB0cmFjZSB0 cmlnZ2VyZWQgYnkgUE9DIGlzIGxpa2UgYmVsb3c6Cj4gPgo+ID4gQlVHOiBLQVNBTjogdXNlLWFm dGVyLWZyZWUgaW4gZXhwaXJlX3RpbWVycysweDE0NC8weDMyMAo+ID4gV3JpdGUgb2Ygc2l6ZSA4 IGF0IGFkZHIgZmZmZjg4ODAwOWIxOTY1OCBieSB0YXNrIHN3YXBwZXIvMC8wCj4gPiAuLi4KPiA+ IENhbGwgVHJhY2U6Cj4gPiAgPElSUT4KPiA+ICBkdW1wX3N0YWNrX2x2bCsweGJmLzB4ZWUKPiA+ ICBwcmludF9hZGRyZXNzX2Rlc2NyaXB0aW9uKzB4N2IvMHg0NDAKPiA+ICBwcmludF9yZXBvcnQr MHgxMDEvMHgyMzAKPiA+ICA/IGV4cGlyZV90aW1lcnMrMHgxNDQvMHgzMjAKPiA+ICBrYXNhbl9y ZXBvcnQrMHhlZC8weDEyMAo+ID4gID8gZXhwaXJlX3RpbWVycysweDE0NC8weDMyMAo+ID4gIGV4 cGlyZV90aW1lcnMrMHgxNDQvMHgzMjAKPiA+ICBfX3J1bl90aW1lcnMrMHgzZmYvMHg0ZDAKPiA+ ICBydW5fdGltZXJfc29mdGlycSsweDQxLzB4ODAKPiA+ICBfX2RvX3NvZnRpcnErMHgyMzMvMHg1 NDQKPiA+ICAuLi4KPiA+Cj4gPiBUaGlzIHBhdGNoIGNoYW5nZXMgZGVsX3RpbWVyKCkgaW4gcm9z ZV9zdG9wX3QwdGltZXIoKSBhbmQKPiA+IHJvc2Vfc3RvcF9mdGltZXIoKSB0byBkZWxfdGltZXJf c3luYygpIGluIG9yZGVyIHRoYXQgdGhlCj4gPiB0aW1lciBoYW5kbGVyIGNvdWxkIGJlIGZpbmlz aGVkIGJlZm9yZSB0aGUgcmVzb3VyY2VzIHN1Y2ggYXMKPiA+IHJvc2VfbmVpZ2ggYW5kIHNvIG9u IGFyZSBkZWFsbG9jYXRlZC4gQXMgYSByZXN1bHQsIHRoZSBVQUYKPiA+IGJ1Z3MgY291bGQgYmUg bWl0aWdhdGVkLgo+ID4KPiA+IEZpeGVzOiAxZGExNzdlNGMzZjQgKCJMaW51eC0yLjYuMTItcmMy IikKPiA+IFNpZ25lZC1vZmYtYnk6IER1b21pbmcgWmhvdSA8ZHVvbWluZ0B6anUuZWR1LmNuPgo+ ID4gLS0tCj4gPiAgbmV0L3Jvc2Uvcm9zZV9saW5rLmMgfCA0ICsrLS0KPiA+ICAxIGZpbGUgY2hh bmdlZCwgMiBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+ID4KPiA+IGRpZmYgLS1naXQg YS9uZXQvcm9zZS9yb3NlX2xpbmsuYyBiL25ldC9yb3NlL3Jvc2VfbGluay5jCj4gPiBpbmRleCA4 Yjk2YTU2ZDNhNC4uOTczNGQxMjY0ZGUgMTAwNjQ0Cj4gPiAtLS0gYS9uZXQvcm9zZS9yb3NlX2xp bmsuYwo+ID4gKysrIGIvbmV0L3Jvc2Uvcm9zZV9saW5rLmMKPiA+IEBAIC01NCwxMiArNTQsMTIg QEAgc3RhdGljIHZvaWQgcm9zZV9zdGFydF90MHRpbWVyKHN0cnVjdCByb3NlX25laWdoICpuZWln aCkKPiA+Cj4gPiAgdm9pZCByb3NlX3N0b3BfZnRpbWVyKHN0cnVjdCByb3NlX25laWdoICpuZWln aCkKPiA+ICB7Cj4gPiAtICAgICAgIGRlbF90aW1lcigmbmVpZ2gtPmZ0aW1lcik7Cj4gPiArICAg ICAgIGRlbF90aW1lcl9zeW5jKCZuZWlnaC0+ZnRpbWVyKTsKPiA+ICB9Cj4gCj4gQXJlIHlvdSBz dXJlIHRoaXMgaXMgc2FmZSA/Cj4gCj4gZGVsX3RpbWVyX3N5bmMoKSBjb3VsZCBoYW5nIGlmIHRo ZSBjYWxsZXIgaG9sZHMgYSBsb2NrIHRoYXQgdGhlIHRpbWVyCj4gZnVuY3Rpb24gd291bGQgbmVl ZCB0byBhY3F1aXJlLgoKSSB0aGluayB0aGlzIGlzIHNhZmUuIFRoZSByb3NlX2Z0aW1lcl9leHBp cnkoKSBpcyBhbiBlbXB0eSBmdW5jdGlvbiB0aGF0IGlzCnNob3duIGJlbG93OgoKc3RhdGljIHZv aWQgcm9zZV9mdGltZXJfZXhwaXJ5KHN0cnVjdCB0aW1lcl9saXN0ICp0KQp7Cn0KCj4gPgo+ID4g IHZvaWQgcm9zZV9zdG9wX3QwdGltZXIoc3RydWN0IHJvc2VfbmVpZ2ggKm5laWdoKQo+ID4gIHsK PiA+IC0gICAgICAgZGVsX3RpbWVyKCZuZWlnaC0+dDB0aW1lcik7Cj4gPiArICAgICAgIGRlbF90 aW1lcl9zeW5jKCZuZWlnaC0+dDB0aW1lcik7Cj4gPiAgfQo+IAo+IFNhbWUgaGVyZSwgcGxlYXNl IGV4cGxhaW4gd2h5IGl0IGlzIHNhZmUuCgpUaGUgcm9zZV9zdG9wX3QwdGltZXIoKSBtYXkgaG9s ZCAicm9zZV9ub2RlX2xpc3RfbG9jayIgYW5kICJyb3NlX25laWdoX2xpc3RfbG9jayIsCmJ1dCB0 aGUgdGltZXIgaGFuZGxlciByb3NlX3QwdGltZXJfZXhwaXJ5KCkgdGhhdCBpcyBzaG93biBiZWxv dyBkb2VzIG5vdCBuZWVkCnRoZXNlIHR3byBsb2Nrcy4KCnN0YXRpYyB2b2lkIHJvc2VfdDB0aW1l cl9leHBpcnkoc3RydWN0IHRpbWVyX2xpc3QgKnQpCnsKCXN0cnVjdCByb3NlX25laWdoICpuZWln aCA9IGZyb21fdGltZXIobmVpZ2gsIHQsIHQwdGltZXIpOwoKCXJvc2VfdHJhbnNtaXRfcmVzdGFy dF9yZXF1ZXN0KG5laWdoKTsKCgluZWlnaC0+ZGNlX21vZGUgPSAwOwoKCXJvc2Vfc3RhcnRfdDB0 aW1lcihuZWlnaCk7Cn0KCkJlc3QgcmVnYXJkcywKRHVvbWluZyBaaG91