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 D653BC76190 for ; Thu, 25 Jul 2019 04:24:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A17B821850 for ; Thu, 25 Jul 2019 04:24:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728383AbfGYEYB (ORCPT ); Thu, 25 Jul 2019 00:24:01 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:55128 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726195AbfGYEYB (ORCPT ); Thu, 25 Jul 2019 00:24:01 -0400 Received: by mail-io1-f71.google.com with SMTP id n8so53452226ioo.21 for ; Wed, 24 Jul 2019 21:24:00 -0700 (PDT) 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=4ykhyuiBMEbxqBLsBHdyDvPAOtbB9E2k09FumAP9piY=; b=SBlvJhUxv0QbAEkvNq9y1ylIdy2/eveBjk/2qyKIkMmJlI1HMUPy4v5DmoNmeuxM1g U0/0bDM9wT6jb7xTcNwKPu5hmOLr/wzf1p4HqEu2UnBMJiDr4+KtaBBabQIp9dx8x6qy OjtY3YaZ+3IkFa8HFkOwt1ogXRyCqBWMFiswXoq96eXkhWKCD2TMNpqve3/LZe433meT 71GmZYJkgZuYEe4IdhHnY5KtCZVE5oSifHnUb2x6bWca94ZbxUDsGe7uFKdV/CpSGWna v6b+PY0VUXv/NyAzkYuO7ZcBmInRfni89UA9iDlj+qxJ56mKXceMvWA+oTnJ7JjKCySO txiA== X-Gm-Message-State: APjAAAXW0IiaJTTjo6eFch6ab6ge3ps949dRiHJmVUpyfIbDJfCPOZnB j/8nJXBQRYkLhUcIL3vw7eyatq3l8+gME4ZbH5SjDtkOwLVw X-Google-Smtp-Source: APXvYqzisP9svwAdUk2M7vpsY1nwZNJ9MmjI4tHYq0ELgBH3s/kK/fffQN/IDt9aWlEkMTECMVVjYMhh99FscjT9fYsgt99Ef1Bm MIME-Version: 1.0 X-Received: by 2002:a5d:94d0:: with SMTP id y16mr43188529ior.123.1564028640346; Wed, 24 Jul 2019 21:24:00 -0700 (PDT) Date: Wed, 24 Jul 2019 21:24:00 -0700 In-Reply-To: <0000000000004a3a63058e722b94@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000086c732058e79cb59@google.com> Subject: Re: WARNING in ovl_real_fdget_meta From: syzbot To: amir73il@gmail.com, bfields@fieldses.org, jlayton@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 387e3746d01c34457d6a73688acd90428725070b Author: Amir Goldstein Date: Fri Jun 7 14:24:38 2019 +0000 locks: eliminate false positive conflicts for write lease bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15a79594600000 start commit: c6dd78fc Merge branch 'x86-urgent-for-linus' of git://git... git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=17a79594600000 console output: https://syzkaller.appspot.com/x/log.txt?x=13a79594600000 kernel config: https://syzkaller.appspot.com/x/.config?x=3c8985c08e1f9727 dashboard link: https://syzkaller.appspot.com/bug?extid=032bc63605089a199d30 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15855334600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17fcc4c8600000 Reported-by: syzbot+032bc63605089a199d30@syzkaller.appspotmail.com Fixes: 387e3746d01c ("locks: eliminate false positive conflicts for write lease") For information about bisection process see: https://goo.gl/tpsmEJ#bisection