From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A58AC43219 for ; Fri, 26 Apr 2019 10:55:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 549CF206E0 for ; Fri, 26 Apr 2019 10:55:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726144AbfDZKzN (ORCPT ); Fri, 26 Apr 2019 06:55:13 -0400 Received: from mx2.suse.de ([195.135.220.15]:43154 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725996AbfDZKzN (ORCPT ); Fri, 26 Apr 2019 06:55:13 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id A40C9ACA8; Fri, 26 Apr 2019 10:55:11 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 3FCC71E3619; Fri, 26 Apr 2019 12:55:11 +0200 (CEST) Date: Fri, 26 Apr 2019 12:55:11 +0200 From: Jan Kara To: syzbot Cc: amir73il@gmail.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: general protection fault in fanotify_handle_event Message-ID: <20190426105511.GA18333@quack2.suse.cz> References: <00000000000091becf0586d104c6@google.com> <000000000000d97b380586d1205f@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000d97b380586d1205f@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 18-04-19 10:14:00, syzbot wrote: > syzbot has bisected this bug to: > > commit 77115225acc67d9ac4b15f04dd138006b9cd1ef2 > Author: Amir Goldstein > Date: Thu Jan 10 17:04:37 2019 +0000 > > fanotify: cache fsid in fsnotify_mark_connector > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1627632d200000 > start commit: 3f018f4a Add linux-next specific files for 20190418 > git tree: linux-next > final crash: https://syzkaller.appspot.com/x/report.txt?x=1527632d200000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1127632d200000 > kernel config: https://syzkaller.appspot.com/x/.config?x=faa7bdc352fc157e > dashboard link: https://syzkaller.appspot.com/bug?extid=15927486a4f1bfcbaf91 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=155543d3200000 > > Reported-by: syzbot+15927486a4f1bfcbaf91@syzkaller.appspotmail.com > Fixes: 77115225acc6 ("fanotify: cache fsid in fsnotify_mark_connector") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection Let syzbot test the fix: #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git fsnotify Honza -- Jan Kara SUSE Labs, CR