Received: by 2002:a05:6a10:2726:0:0:0:0 with SMTP id ib38csp137839pxb; Thu, 31 Mar 2022 01:24:27 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzN/h7MTAq9r6yCLr18nR7YnMxSppPPb22k6GvzLIrHdtUI7d3uKuQl0Esws80C/ztD3o/r X-Received: by 2002:a05:6402:909:b0:415:cdbf:4748 with SMTP id g9-20020a056402090900b00415cdbf4748mr15281936edz.395.1648715066877; Thu, 31 Mar 2022 01:24:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1648715066; cv=none; d=google.com; s=arc-20160816; b=eKRMJAgi/mEPjjt3b08/RC8FhdI66BCGRcD0CM8DvS/I+QZajCNioMXkdDKBfE839/ 6Cd4KsTEK/AT3+2bFHYVu19gc7/7tsbfXL3894ct/BSysyvfmu1sOk6vgVl3zb3adujG I4w0RFxxw2cg1tJ8ragN9Bxo1nPXGD52d02DLDwI2sOzXHqj/KbuZnlAm25Kp8GGdQoG hIMejHhzrF/AumJGdo2tc4SaLrqQTxptz7EAn1k0wioRNYslS+1mwyamOTfBVnq3jJTj G37GImT/pOkDQP3aj76J5FEdBBHfHfrzpGhileLrgBex6UolN3zb2zFrp9whzKIqJzRY U06g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :in-reply-to:organization:from:references:to:content-language :subject:user-agent:date:message-id:dkim-signature; bh=j3tfj7O2wEheyep15OrUZJlIY48tSkzjLa7LTRYCpAw=; b=YJ+7YZm7M3/Ad/9hrycddcWKpgHdt22f4WV1I0fvbyKi9IxcnUeSbLyW0GZpyNsk7r sOguNe4rqPHU121+6aTzadB+pkOxdceak9q6Enhutu+QdPpCIZRCmew+ntO/FfjbMQUS bKjUFiG9WGiMKClE4mHEm5kaHEiOydmDnK8LugKtglLiP7dYis4g5qpaqF54WLIkNXwm mEfdi4hBL3EgX0ePz39ie5iHjWYJ9UYraSTJokTPLf438rcB5+mGCmpBaKJNSwwarhIk icj2lAw2rRWo37sd1JvPEnYb6r/7FAlbUeOMjbMOVbZXEJZW/h+kLeq/x8Nbs9QfdBo4 RC+Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=nhG62out; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id n1-20020a170906840100b006df76385c4asi21917777ejx.234.2022.03.31.01.23.36; Thu, 31 Mar 2022 01:24:26 -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; dkim=pass header.i=@ibm.com header.s=pp1 header.b=nhG62out; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231362AbiCaGsF (ORCPT + 99 others); Thu, 31 Mar 2022 02:48:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231409AbiCaGsB (ORCPT ); Thu, 31 Mar 2022 02:48:01 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2E0212BFA1; Wed, 30 Mar 2022 23:46:14 -0700 (PDT) Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 22V6Zngp026272; Thu, 31 Mar 2022 06:46:07 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : subject : to : references : from : in-reply-to : content-type : content-transfer-encoding : mime-version; s=pp1; bh=j3tfj7O2wEheyep15OrUZJlIY48tSkzjLa7LTRYCpAw=; b=nhG62outzBcPT7IugEs9Khr6d8HoeWCnOcomCrBrcztuIMuawMzgCGq37kOHWO1Z707V annu2TfPJcpfDFiuh8i64PKr2EVF5yIq19WMvgB9/z/5lqE889OIx3BWY1SvaQ7zvspz 5BZcsIfHxECf4cQd0A32S6FbbtaOPA4h6Uu/L+UZA2yHk0hA+Ftv2elzqkYdpHqI28En TsaTOfA9nOrewbLAJX5nPVyoshHiOOspNZUurd7E/LJeBo/C1cLJTz/JcBBYi089CvzI 3Vr8jepNshZniKLWlXUAWDZ4UPqHNy0ra/18FdlCMmtHZLsGEGIzQFSY/7N4bEiQROYj yw== Received: from ppma06fra.de.ibm.com (48.49.7a9f.ip4.static.sl-reverse.com [159.122.73.72]) by mx0a-001b2d01.pphosted.com with ESMTP id 3f56h38wan-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 31 Mar 2022 06:46:06 +0000 Received: from pps.filterd (ppma06fra.de.ibm.com [127.0.0.1]) by ppma06fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 22V6cfXK012256; Thu, 31 Mar 2022 06:46:04 GMT Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by ppma06fra.de.ibm.com with ESMTP id 3f1t3j0mnj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 31 Mar 2022 06:46:03 +0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 22V6k1Yd36110786 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 31 Mar 2022 06:46:01 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9A0E2AE051; Thu, 31 Mar 2022 06:46:01 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3A714AE056; Thu, 31 Mar 2022 06:46:01 +0000 (GMT) Received: from [9.171.10.81] (unknown [9.171.10.81]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 31 Mar 2022 06:46:01 +0000 (GMT) Message-ID: <0a252813-e954-518f-a969-67960a9af00c@linux.ibm.com> Date: Thu, 31 Mar 2022 08:46:03 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [syzbot] general protection fault in smc_pnet_add (2) Content-Language: en-US To: syzbot , davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000c6056605db790400@google.com> From: Karsten Graul Organization: IBM Deutschland Research & Development GmbH In-Reply-To: <000000000000c6056605db790400@google.com> Content-Type: text/plain; charset=UTF-8 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: dsxAZLH2k7hmmhjqC9uZ6LWPnmyA4F_e X-Proofpoint-ORIG-GUID: dsxAZLH2k7hmmhjqC9uZ6LWPnmyA4F_e Content-Transfer-Encoding: 7bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-31_02,2022-03-30_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 phishscore=0 adultscore=0 clxscore=1011 bulkscore=0 spamscore=0 mlxlogscore=834 suspectscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2203310037 X-Spam-Status: No, score=0.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL,SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE 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 On 31/03/2022 02:48, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: d82a6c5ef9dc net: prestera: acl: make read-only array clie.. > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=13862081700000 > kernel config: https://syzkaller.appspot.com/x/.config?x=cce8a73d5200f3c0 > dashboard link: https://syzkaller.appspot.com/bug?extid=03e3e228510223dabd34 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=167da879700000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12bb0fe1700000 dev.parent is not checked properly before dev_name() is called, I will provide a fix for this.