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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_PASS,URIBL_BLOCKED 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 BA6ABC43381 for ; Fri, 22 Mar 2019 21:28:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 84E2C21900 for ; Fri, 22 Mar 2019 21:28:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727544AbfCVV2C (ORCPT ); Fri, 22 Mar 2019 17:28:02 -0400 Received: from mail-it1-f197.google.com ([209.85.166.197]:34575 "EHLO mail-it1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727140AbfCVV2C (ORCPT ); Fri, 22 Mar 2019 17:28:02 -0400 Received: by mail-it1-f197.google.com with SMTP id v11so2849781itb.1 for ; Fri, 22 Mar 2019 14:28:01 -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=INpl/ImInpVvjNg6VwEIcNPDm6BB2I+j6XhGbJu9JZM=; b=FhJiFXbECSVshrMyPbQqUMtezlbYWhXXiVNsyVxoEszz4GKXfCD04Qcd8mYtcOzL9W 0U75VQwceuzqT0CyZD34NNj8w6XfRVWRQcPxF1CDaVKaSVFPjVWaBQMZlRuOMmpC9fsz rbwrzchkhHua0At7CdrWGn7R02LQ/0puOAADjL6Fc21O6r4E/hNzCEngw1Zd2UFnWjEa OQYN6I/7AodsL+vJ/c87xwbJ47eh78djT3G/KQGDvM8fFXf8KEt1oZ1Nm3ve0eDXsLgh IybDTeOp6DFTJVMqzg0yNj8q0VBVaL24joDKxPpp8XNhrawwKmlcDDADgafsnTz0UtL4 LpbA== X-Gm-Message-State: APjAAAXGcCl5I+Mb8Zg4ZwWCkkQPW4djqspQCbYJzFP+hxGorNZhKCh8 L0x9b0QW4WuDT5++7m3pFI4JKU+MmnvOMf5AEjqWdLqtK22/ X-Google-Smtp-Source: APXvYqwVb9A5zyH076xjfKH6jANX5aTwiLOj7SbypYsinLvTB/jSN5NNa+XCnr57mt6sD2F849iSWjBJOYF/V7SU/hZ7lYJPkAms MIME-Version: 1.0 X-Received: by 2002:a02:f8b:: with SMTP id 11mr9069901jao.53.1553290081395; Fri, 22 Mar 2019 14:28:01 -0700 (PDT) Date: Fri, 22 Mar 2019 14:28:01 -0700 In-Reply-To: <000000000000cd1e2205785951c2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000088ea3e0584b5872d@google.com> Subject: Re: possible deadlock in __generic_file_fsync From: syzbot To: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, tytso@mit.edu, 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 9022ada8ab6f1f1a932a3c93815061042e6548a5 Author: Linus Torvalds Date: Fri Aug 24 20:16:36 2018 +0000 Merge branch 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15330437200000 start commit: 270b77a0 Merge tag 'drm-fixes-2018-10-20-1' of git://anong.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=17330437200000 console output: https://syzkaller.appspot.com/x/log.txt?x=13330437200000 kernel config: https://syzkaller.appspot.com/x/.config?x=b3f55cb3dfcc6c33 dashboard link: https://syzkaller.appspot.com/bug?extid=5cd33f0e6abe2bb3e397 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1436fc45400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11058e2d400000 Reported-by: syzbot+5cd33f0e6abe2bb3e397@syzkaller.appspotmail.com Fixes: 9022ada8ab6f ("Merge branch 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq") For information about bisection process see: https://goo.gl/tpsmEJ#bisection