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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 8B96EC10DCE for ; Fri, 6 Mar 2020 22:35:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5CFB9206E6 for ; Fri, 6 Mar 2020 22:35:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726397AbgCFWfD (ORCPT ); Fri, 6 Mar 2020 17:35:03 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:42042 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726194AbgCFWfD (ORCPT ); Fri, 6 Mar 2020 17:35:03 -0500 Received: by mail-io1-f69.google.com with SMTP id v23so2475376iob.9 for ; Fri, 06 Mar 2020 14:35:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=KjWtQPcKIxIvEZPVuieJJ01SWtPnm/mBaTh4nN8Yq4A=; b=a9TlAYpGaPKxqh3Qxch/MUaGFSNJXObjrErJgzRdayLepVjSKxYRjUtfemMQ1i/7uU jNKdjpI467ipCeh0+mAbSGdPlNJ9MpG5yV52vmWAB/rtQV1oNSgyGdpQClVhkV45/nfV uh3nSBEEY8149eeG68JnjuG+lx8h07PZKx/+AZ90v9oADOVgYcdlzqFDbqi2X7j6uSHr JGO3NosF50W7XlRPgc3CUZnVd9732BU6TSYOa9JP8I3NS3+lYQ7IUZflq+/FzWTcdA+7 8L78MYcGwv4rqvvVpbZ35dPC+0Xyi29KNjvc4eU/KGQUoa/9EXOqZ6BXoU3k5zqltJSr Womg== X-Gm-Message-State: ANhLgQ3vkLXuB4W6mln4DJylSNXx4Dkoe8Nd9zolWPDvMEr4dmOzIwgj Ypc3c2JV+zhcw15hcVUmQ0Yarzf98ff3ODYTjFRNYaK8N2Uf X-Google-Smtp-Source: ADFU+vs7TshTiXpJBBMMnK/klWxSkYQHop7Wk8LLzdT9LXsKtgaTBMKEykjWuXsgmj46xLIUaiFxMyYWPjhUHv97DMUt54UvAjhF MIME-Version: 1.0 X-Received: by 2002:a6b:5a06:: with SMTP id o6mr4907893iob.54.1583534102612; Fri, 06 Mar 2020 14:35:02 -0800 (PST) Date: Fri, 06 Mar 2020 14:35:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ad0f2c05a0374382@google.com> Subject: Re: WARNING: bad unlock balance in ovl_llseek From: syzbot To: amir73il@gmail.com, dvyukov@google.com, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, mszeredi@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-unionfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-unionfs@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+66a9752fa927f745385e@syzkaller.appspotmail.com Tested on: commit: 13944050 ovl: fix lock in ovl_llseek() git tree: https://github.com/amir73il/linux.git ovl-fixes kernel config: https://syzkaller.appspot.com/x/.config?x=31018567b8f0fc70 dashboard link: https://syzkaller.appspot.com/bug?extid=66a9752fa927f745385e compiler: gcc (GCC) 9.0.0 20181231 (experimental) Note: testing is done by a robot and is best-effort only.