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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 Precedence: bulk List-ID: X-Mailing-List: linux-s390@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.