Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp608532rwb; Wed, 16 Nov 2022 05:28:13 -0800 (PST) X-Received: by 2002:a62:d143:0:b0:56d:2e42:987e with SMTP id t3-20020a62d143000000b0056d2e42987emr23279516pfl.61.1668605292514; Wed, 16 Nov 2022 05:28:12 -0800 (PST) X-Google-Smtp-Source: AA0mqf5tJCZvnnTnajwn9YIPuX7lD8XK81nFaE3fKF093HYXj0bgdtFTNktOktCI+xl5EyN+ziiw X-Received: by 2002:a62:d143:0:b0:56d:2e42:987e with SMTP id t3-20020a62d143000000b0056d2e42987emr23279403pfl.61.1668605290745; Wed, 16 Nov 2022 05:28:10 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668605290; cv=none; d=google.com; s=arc-20160816; b=QwGqNpDJkvwKYUUExu4xH2fnPXTCa/6hxM9dI2QXmWzc2eE5J9gzg6yPI+mUyEBz5t YhB5J1GkE1LNSDF0/ABErqiP7yLwy3L24MrLq4phaYcVFvXf6hpZgzzJWElprMPhYt5A 0xbn+RYFunbaMGaWT0JGRftzpkAyg46qSzTB0nCiDBdedJC0W6/qnrwIBRLckE42sJTe tV26S1mLsYV97dCv3qkEryCiCe9r/3vh0hilW+8+ObzOjONhKyIpYZsNiJBD8/pXQomT 7rubFNquLJgP/mBYLnmFddQVHsm7/snQ9zotHh3i10gWq1mlNzUVI4TaciaJ7VL3/Wkb RipA== 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=0RZ3OvK+7W8sfIA8ZprcpXnUcohCy0oUQ/8OERrW7/g=; b=f1EKP0K4D2xBKEqgMiOCtApzsfnRhpHV3oXb8/jUjmv7v0kDSkZU87AWAilH8FXPNx 7EsFqPPFSKCWAuBrOhZApGnMGYgiiiu7SEuES8Ye+OHUvQhsO1PfvOfNqnfCJm8k65gd FBKOiFyv8v5K3iRTR6onr/T8hPOgyN2Pn0RhflOj0UtF+nx3NxeZ72ry9j2dzgu8ZPKX J/zhINALnY6umG0DLa1bINCQY2dYFlwKi3t/401pt7GA7x+/6vBhbSb4GFnGu4GeWyuf bpm5KXxkQFTTTKBrtBKomODFdU+x8rPO8dYFqAmAENI6/LxgijPW5sf7+ZhWPADxNA3w jYqw== 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 f7-20020a056a00228700b0056d7456e940si16133686pfe.32.2022.11.16.05.27.58; Wed, 16 Nov 2022 05:28:10 -0800 (PST) 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 S238529AbiKPNLg (ORCPT + 91 others); Wed, 16 Nov 2022 08:11:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60060 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238085AbiKPNLc (ORCPT ); Wed, 16 Nov 2022 08:11:32 -0500 Received: from zju.edu.cn (mail.zju.edu.cn [61.164.42.155]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E5BEA209BB; Wed, 16 Nov 2022 05:11:29 -0800 (PST) Received: by ajax-webmail-mail-app2 (Coremail) ; Wed, 16 Nov 2022 21:11:16 +0800 (GMT+08:00) X-Originating-IP: [10.192.27.165] Date: Wed, 16 Nov 2022 21:11:16 +0800 (GMT+08:00) X-CM-HeaderCharset: UTF-8 From: "Lin Ma" To: syzbot Cc: davem@davemloft.net, edumazet@google.com, krzysztof.kozlowski@linaro.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in nci_cmd_timer 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: <00000000000055882e05ed9445a2@google.com> References: <00000000000055882e05ed9445a2@google.com> Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: X-Coremail-Locale: en_US X-CM-TRANSID: by_KCgBHC7F04XRj+Km2Bw--.4599W X-CM-SenderInfo: qtrwiiyqvtljo62m3hxhgxhubq/1tbiAwMQElNG3I6jmQACs9 X-Coremail-Antispam: 1Ur529EdanIXcx71UUUUU7IcSsGvfJ3iIAIbVAYjsxI4VWxJw CS07vEb4IE77IF4wCS07vE1I0E4x80FVAKz4kxMIAIbVAFxVCaYxvI4VCIwcAKzIAtYxBI daVFxhVjvjDU= X-Spam-Status: No, score=0.6 required=5.0 tests=BAYES_00,SORTED_RECIPS, SPF_HELO_PASS,SPF_PASS autolearn=no 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 PiBGcm9tOiBzeXpib3QgPHN5emJvdCsxMDI1N2QwMWRkMjg1YjE1MTcwYUBzeXprYWxsZXIuYXBw c3BvdG1haWwuY29tPgo+IFNlbnQgVGltZTogMjAyMi0xMS0xNiAxODo1MjozNyAoV2VkbmVzZGF5 KQo+IFRvOiBkYXZlbUBkYXZlbWxvZnQubmV0LCBlZHVtYXpldEBnb29nbGUuY29tLCBrcnp5c3p0 b2Yua296bG93c2tpQGxpbmFyby5vcmcsIGt1YmFAa2VybmVsLm9yZywgbGlubWFAemp1LmVkdS5j biwgbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZywgbmV0ZGV2QHZnZXIua2VybmVsLm9yZywg cGFiZW5pQHJlZGhhdC5jb20sIHN5emthbGxlci1idWdzQGdvb2dsZWdyb3Vwcy5jb20KPiBDYzog Cj4gU3ViamVjdDogW3N5emJvdF0gQlVHOiB1bmFibGUgdG8gaGFuZGxlIGtlcm5lbCBOVUxMIHBv aW50ZXIgZGVyZWZlcmVuY2UgaW4gbmNpX2NtZF90aW1lcgo+IAo+IEhlbGxvLAo+IAo+IHN5emJv dCBmb3VuZCB0aGUgZm9sbG93aW5nIGlzc3VlIG9uOgo+IAo+IEhFQUQgY29tbWl0OiAgICA5NTAw ZmM2ZTllNjAgTWVyZ2UgYnJhbmNoICdmb3ItbmV4dC9jb3JlJyBpbnRvIGZvci1rZXJuZWxjaQo+ IGdpdCB0cmVlOiAgICAgICBnaXQ6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5l bC9naXQvYXJtNjQvbGludXguZ2l0IGZvci1rZXJuZWxjaQo+IGNvbnNvbGUgb3V0cHV0OiBodHRw czovL3N5emthbGxlci5hcHBzcG90LmNvbS94L2xvZy50eHQ/eD0xNmNiZjdhNTg4MDAwMAo+IGtl cm5lbCBjb25maWc6ICBodHRwczovL3N5emthbGxlci5hcHBzcG90LmNvbS94Ly5jb25maWc/eD1i MjVjOWYyMTg2ODZkZDVlCj4gZGFzaGJvYXJkIGxpbms6IGh0dHBzOi8vc3l6a2FsbGVyLmFwcHNw b3QuY29tL2J1Zz9leHRpZD0xMDI1N2QwMWRkMjg1YjE1MTcwYQo+IGNvbXBpbGVyOiAgICAgICBE ZWJpYW4gY2xhbmcgdmVyc2lvbiAxMy4wLjEtKysyMDIyMDEyNjA5MjAzMys3NWUzM2Y3MWMyZGEt MX5leHAxfjIwMjIwMTI2MjEyMTEyLjYzLCBHTlUgbGQgKEdOVSBCaW51dGlscyBmb3IgRGViaWFu KSAyLjM1LjIKPiB1c2Vyc3BhY2UgYXJjaDogYXJtNjQKPiBzeXogcmVwcm86ICAgICAgaHR0cHM6 Ly9zeXprYWxsZXIuYXBwc3BvdC5jb20veC9yZXByby5zeXo/eD0xMzU0ZGNlOTg4MDAwMAo+IEMg cmVwcm9kdWNlcjogICBodHRwczovL3N5emthbGxlci5hcHBzcG90LmNvbS94L3JlcHJvLmM/eD0x MDg4MGE5NTg4MDAwMAo+IAo+IERvd25sb2FkYWJsZSBhc3NldHM6Cj4gZGlzayBpbWFnZTogaHR0 cHM6Ly9zdG9yYWdlLmdvb2dsZWFwaXMuY29tL3N5emJvdC1hc3NldHMvMTM2M2U2MDY1MmY3L2Rp c2stOTUwMGZjNmUucmF3Lnh6Cj4gdm1saW51eDogaHR0cHM6Ly9zdG9yYWdlLmdvb2dsZWFwaXMu Y29tL3N5emJvdC1hc3NldHMvZmNjNGRhODExYmI2L3ZtbGludXgtOTUwMGZjNmUueHoKPiBrZXJu ZWwgaW1hZ2U6IGh0dHBzOi8vc3RvcmFnZS5nb29nbGVhcGlzLmNvbS9zeXpib3QtYXNzZXRzLzBi NTU0Mjk4ZjFmYS9JbWFnZS05NTAwZmM2ZS5nei54ego+IAo+IElNUE9SVEFOVDogaWYgeW91IGZp eCB0aGUgaXNzdWUsIHBsZWFzZSBhZGQgdGhlIGZvbGxvd2luZyB0YWcgdG8gdGhlIGNvbW1pdDoK PiBSZXBvcnRlZC1ieTogc3l6Ym90KzEwMjU3ZDAxZGQyODViMTUxNzBhQHN5emthbGxlci5hcHBz cG90bWFpbC5jb20KPiAKPiBVbmFibGUgdG8gaGFuZGxlIGtlcm5lbCBOVUxMIHBvaW50ZXIgZGVy ZWZlcmVuY2UgYXQgdmlydHVhbCBhZGRyZXNzIDAwMDAwMDAwMDAwMDAwMDAKPiBNZW0gYWJvcnQg aW5mbzoKPiAgIEVTUiA9IDB4MDAwMDAwMDA5NjAwMDAwNAo+ICAgRUMgPSAweDI1OiBEQUJUIChj dXJyZW50IEVMKSwgSUwgPSAzMiBiaXRzCj4gICBTRVQgPSAwLCBGblYgPSAwCj4gICBFQSA9IDAs IFMxUFRXID0gMAo+ICAgRlNDID0gMHgwNDogbGV2ZWwgMCB0cmFuc2xhdGlvbiBmYXVsdAo+IERh dGEgYWJvcnQgaW5mbzoKPiAgIElTViA9IDAsIElTUyA9IDB4MDAwMDAwMDQKPiAgIENNID0gMCwg V25SID0gMAo+IHVzZXIgcGd0YWJsZTogNGsgcGFnZXMsIDQ4LWJpdCBWQXMsIHBnZHA9MDAwMDAw MDEwYzc1YjAwMAo+IFswMDAwMDAwMDAwMDAwMDAwXSBwZ2Q9MDAwMDAwMDAwMDAwMDAwMCwgcDRk PTAwMDAwMDAwMDAwMDAwMDAKPiBJbnRlcm5hbCBlcnJvcjogT29wczogMDAwMDAwMDA5NjAwMDAw NCBbIzFdIFBSRUVNUFQgU01QCj4gTW9kdWxlcyBsaW5rZWQgaW46Cj4gQ1BVOiAwIFBJRDogMCBD b21tOiBzd2FwcGVyLzAgTm90IHRhaW50ZWQgNi4xLjAtcmM1LXN5emthbGxlci0zMjI2OS1nOTUw MGZjNmU5ZTYwICMwCj4gSGFyZHdhcmUgbmFtZTogR29vZ2xlIEdvb2dsZSBDb21wdXRlIEVuZ2lu ZS9Hb29nbGUgQ29tcHV0ZSBFbmdpbmUsIEJJT1MgR29vZ2xlIDA5LzMwLzIwMjIKPiBwc3RhdGU6 IDAwNDAwMGM1IChuemN2IGRhSUYgK1BBTiAtVUFPIC1UQ08gLURJVCAtU1NCUyBCVFlQRT0tLSkK PiBwYyA6IF9fcXVldWVfd29yaysweDNjNC8weDhiNAo+IGxyIDogX19xdWV1ZV93b3JrKzB4M2M0 LzB4OGI0IGtlcm5lbC93b3JrcXVldWUuYzoxNDU4Cj4gc3AgOiBmZmZmODAwMDA4MDAzZDYwCj4g eDI5OiBmZmZmODAwMDA4MDAzZDYwIHgyODogMDAwMDAwMDAwMDAwMDAwMCB4Mjc6IGZmZmY4MDAw MGQzYTkwMDAKPiB4MjY6IGZmZmY4MDAwMGQzYWQwNTAgeDI1OiBmZmZmODAwMDBkMmZlMDA4IHgy NDogZmZmZjgwMDAwZGI1NDAwMAo+IHgyMzogMDAwMDAwMDAwMDAwMDAwMCB4MjI6IDAwMDAwMDAw MDAwMDAwMjMgeDIxOiBmZmZmMDAwMGM3YTk1NDAwCj4geDIwOiAwMDAwMDAwMDAwMDAwMDA4IHgx OTogZmZmZjAwMDBjZDBkMjBmOCB4MTg6IGZmZmY4MDAwMGRiNzgxNTgKPiB4MTc6IGZmZmY4MDAw MGRkZGExOTggeDE2OiBmZmZmODAwMDBkYzE4MTU4IHgxNTogZmZmZjgwMDAwZDNjYmM4MAo+IHgx NDogMDAwMDAwMDAwMDAwMDAwMCB4MTM6IDAwMDAwMDAwZmZmZmZmZmYgeDEyOiBmZmZmODAwMDBk M2NiYzgwCj4geDExOiBmZjgwODAwMDBjMDdkZmU0IHgxMDogMDAwMDAwMDAwMDAwMDAwMCB4OSA6 IGZmZmY4MDAwMGMwN2RmZTQKPiB4OCA6IGZmZmY4MDAwMGQzY2JjODAgeDcgOiBmZmZmODAwMDA4 MTNiYWU4IHg2IDogMDAwMDAwMDAwMDAwMDAwMAo+IHg1IDogMDAwMDAwMDAwMDAwMDA4MCB4NCA6 IDAwMDAwMDAwMDAwMDAwMDAgeDMgOiAwMDAwMDAwMDAwMDAwMDAyCj4geDIgOiAwMDAwMDAwMDAw MDAwMDA4IHgxIDogMDAwMDAwMDAwMDAwMDAwMCB4MCA6IGZmZmYwMDAwYzAwMTRjMDAKPiBDYWxs IHRyYWNlOgo+ICBfX3F1ZXVlX3dvcmsrMHgzYzQvMHg4YjQga2VybmVsL3dvcmtxdWV1ZS5jOjE0 NTgKPiAgcXVldWVfd29ya19vbisweGIwLzB4MTVjIGtlcm5lbC93b3JrcXVldWUuYzoxNTQ1Cj4g IHF1ZXVlX3dvcmsgaW5jbHVkZS9saW51eC93b3JrcXVldWUuaDo1MDMgW2lubGluZV0KPiAgbmNp X2NtZF90aW1lcisweDMwLzB4NDAgbmV0L25mYy9uY2kvY29yZS5jOjYxNQo+ICBjYWxsX3RpbWVy X2ZuKzB4OTAvMHgxNDQga2VybmVsL3RpbWUvdGltZXIuYzoxNDc0Cj4gIGV4cGlyZV90aW1lcnMg a2VybmVsL3RpbWUvdGltZXIuYzoxNTE5IFtpbmxpbmVdCj4gIF9fcnVuX3RpbWVycysweDI4MC8w eDM3NCBrZXJuZWwvdGltZS90aW1lci5jOjE3OTAKPiAgcnVuX3RpbWVyX3NvZnRpcnErMHgzNC8w eDVjIGtlcm5lbC90aW1lL3RpbWVyLmM6MTgwMwo+ICBfc3RleHQrMHgxNjgvMHgzN2MKPiAgX19f X2RvX3NvZnRpcnErMHgxNC8weDIwIGFyY2gvYXJtNjQva2VybmVsL2lycS5jOjc5Cj4gIGNhbGxf b25faXJxX3N0YWNrKzB4MmMvMHg1NCBhcmNoL2FybTY0L2tlcm5lbC9lbnRyeS5TOjg5Mgo+ICBk b19zb2Z0aXJxX293bl9zdGFjaysweDIwLzB4MmMgYXJjaC9hcm02NC9rZXJuZWwvaXJxLmM6ODQK PiAgaW52b2tlX3NvZnRpcnErMHg3MC8weGJjIGtlcm5lbC9zb2Z0aXJxLmM6NDUyCj4gIF9faXJx X2V4aXRfcmN1KzB4ZjAvMHgxNDAga2VybmVsL3NvZnRpcnEuYzo2NTAKPiAgaXJxX2V4aXRfcmN1 KzB4MTAvMHg0MCBrZXJuZWwvc29mdGlycS5jOjY2Mgo+ICBfX2VsMV9pcnEgYXJjaC9hcm02NC9r ZXJuZWwvZW50cnktY29tbW9uLmM6NDcyIFtpbmxpbmVdCj4gIGVsMV9pbnRlcnJ1cHQrMHgzOC8w eDY4IGFyY2gvYXJtNjQva2VybmVsL2VudHJ5LWNvbW1vbi5jOjQ4Ngo+ICBlbDFoXzY0X2lycV9o YW5kbGVyKzB4MTgvMHgyNCBhcmNoL2FybTY0L2tlcm5lbC9lbnRyeS1jb21tb24uYzo0OTEKPiAg ZWwxaF82NF9pcnErMHg2NC8weDY4IGFyY2gvYXJtNjQva2VybmVsL2VudHJ5LlM6NTgwCj4gIGFy Y2hfbG9jYWxfaXJxX2VuYWJsZSsweGMvMHgxOCBhcmNoL2FybTY0L2luY2x1ZGUvYXNtL2lycWZs YWdzLmg6MzUKPiAgZGVmYXVsdF9pZGxlX2NhbGwrMHg0OC8weGI4IGtlcm5lbC9zY2hlZC9pZGxl LmM6MTA5Cj4gIGNwdWlkbGVfaWRsZV9jYWxsIGtlcm5lbC9zY2hlZC9pZGxlLmM6MTkxIFtpbmxp bmVdCj4gIGRvX2lkbGUrMHgxMTAvMHgyZDQga2VybmVsL3NjaGVkL2lkbGUuYzozMDMKPiAgY3B1 X3N0YXJ0dXBfZW50cnkrMHgyNC8weDI4IGtlcm5lbC9zY2hlZC9pZGxlLmM6NDAwCj4gIGtlcm5l bF9pbml0KzB4MC8weDI5MCBpbml0L21haW4uYzo3MjkKPiAgc3RhcnRfa2VybmVsKzB4MC8weDYy MCBpbml0L21haW4uYzo4OTAKPiAgc3RhcnRfa2VybmVsKzB4NDUwLzB4NjIwIGluaXQvbWFpbi5j OjExNDUKPiAgX19wcmltYXJ5X3N3aXRjaGVkKzB4YjQvMHhiYyBhcmNoL2FybTY0L2tlcm5lbC9o ZWFkLlM6NDcxCj4gQ29kZTogOTQwMDEzODQgYWEwMDAzZjcgYWExMzAzZTAgOTQwMDE0NGEgKGY5 NDAwMmY4KSAKPiAtLS1bIGVuZCB0cmFjZSAwMDAwMDAwMDAwMDAwMDAwIF0tLS0KPiAtLS0tLS0t LS0tLS0tLS0tCj4gQ29kZSBkaXNhc3NlbWJseSAoYmVzdCBndWVzcyk6Cj4gICAgMDoJOTQwMDEz ODQgCWJsCTB4NGUxMAo+ICAgIDQ6CWFhMDAwM2Y3IAltb3YJeDIzLCB4MAo+ICAgIDg6CWFhMTMw M2UwIAltb3YJeDAsIHgxOQo+ICAgIGM6CTk0MDAxNDRhIAlibAkweDUxMzQKPiAqIDEwOglmOTQw MDJmOCAJbGRyCXgyNCwgW3gyM10gPC0tIHRyYXBwaW5nIGluc3RydWN0aW9uCj4gCj4gCj4gLS0t Cj4gVGhpcyByZXBvcnQgaXMgZ2VuZXJhdGVkIGJ5IGEgYm90LiBJdCBtYXkgY29udGFpbiBlcnJv cnMuCj4gU2VlIGh0dHBzOi8vZ29vLmdsL3Rwc21FSiBmb3IgbW9yZSBpbmZvcm1hdGlvbiBhYm91 dCBzeXpib3QuCj4gc3l6Ym90IGVuZ2luZWVycyBjYW4gYmUgcmVhY2hlZCBhdCBzeXprYWxsZXJA Z29vZ2xlZ3JvdXBzLmNvbS4KPiAKPiBzeXpib3Qgd2lsbCBrZWVwIHRyYWNrIG9mIHRoaXMgaXNz dWUuIFNlZToKPiBodHRwczovL2dvby5nbC90cHNtRUojc3RhdHVzIGZvciBob3cgdG8gY29tbXVu aWNhdGUgd2l0aCBzeXpib3QuCj4gc3l6Ym90IGNhbiB0ZXN0IHBhdGNoZXMgZm9yIHRoaXMgaXNz dWUsIGZvciBkZXRhaWxzIHNlZToKPiBodHRwczovL2dvby5nbC90cHNtRUojdGVzdGluZy1wYXRj aGVzCgojc3l6IHRlc3Q6IGh0dHBzOi8vZ2l0aHViLmNvbS9mMHJtMmwxbi9saW51eC1maXguZ2l0 IG1hc3Rlcg==