Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751151AbdL3TmG (ORCPT ); Sat, 30 Dec 2017 14:42:06 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:39688 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750865AbdL3TmD (ORCPT ); Sat, 30 Dec 2017 14:42:03 -0500 Subject: Re: KASAN: use-after-free Read in rds_find_bound To: syzbot , linux-rdma@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <089e08231920353a4805618b365c@google.com> Cc: davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, rds-devel@oss.oracle.com From: "santosh.shilimkar@oracle.com" Organization: Oracle Corporation Message-ID: Date: Sat, 30 Dec 2017 11:41:48 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <089e08231920353a4805618b365c@google.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8760 signatures=668650 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=4 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=511 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1712300293 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 608 Lines: 21 On 12/30/17 1:17 AM, syzbot wrote: > Hello, > > syzkaller hit the following crash on > fba961ab29e5ffb055592442808bb0f7962e05da > git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/master > compiler: gcc (GCC) 7.1.1 20170620 > .config is attached > Raw console output is attached. > Unfortunately, I don't have any reproducer for this bug yet. > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+93a5839deb355537440f@syzkaller.appspotmail.com Posted a fix[1] for above issue. Didn't test it but looks straight forward. Regards, Santosh