From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031531AbeBNPgW (ORCPT ); Wed, 14 Feb 2018 10:36:22 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:33484 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031287AbeBNPgU (ORCPT ); Wed, 14 Feb 2018 10:36:20 -0500 Date: Wed, 14 Feb 2018 10:35:55 -0500 From: Sowmini Varadhan To: Dmitry Vyukov Cc: syzbot , David Miller , LKML , linux-rdma@vger.kernel.org, netdev , rds-devel@oss.oracle.com, Santosh Shilimkar , syzkaller-bugs@googlegroups.com Subject: Re: KASAN: use-after-free Read in rds_tcp_tune Message-ID: <20180214153555.GG11528@oracle.com> References: <001a1141a524c513ca05628d8ad4@google.com> <20180112183046.GA26098@oracle.com> <20180214152109.GF11528@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8804 signatures=668670 X-Proofpoint-Spam-Details: rule=notspam policy=default score=1 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=1 mlxscore=1 mlxlogscore=227 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1802140182 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (02/14/18 16:28), Dmitry Vyukov wrote: > syzbot is probably not seeing this problem. However if you don't add > the Reported-by tag to commit, nor provide syz fix tag, it will > consider it as "open". One consequence of this is that it is still on > our radars. Another consequence is that syzbot will never report bugs > in rds_tcp_tune ever again as it thinks that it's the same known bug, > so no point in bothering anybody. understood, I think I saw this in the original syzbot mail as well, but I was hesitant to actually add the tag because the fix was based on code-inspection only, and I would have felt more comfortable about asserting the Reported-by if I'd done a clear-cut before/after verification. btw, checkpatch.pl complains about the syzbot*@syzkaller.appspotmail.com addresses as "Unrecognized email address", we should fix that error from checkpatch at some point. --Sowmini