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 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 6A70FC282C3 for ; Tue, 22 Jan 2019 14:26:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D08C20870 for ; Tue, 22 Jan 2019 14:26:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728746AbfAVO0E (ORCPT ); Tue, 22 Jan 2019 09:26:04 -0500 Received: from mail-io1-f72.google.com ([209.85.166.72]:35127 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728539AbfAVO0E (ORCPT ); Tue, 22 Jan 2019 09:26:04 -0500 Received: by mail-io1-f72.google.com with SMTP id x12so19649531ioj.2 for ; Tue, 22 Jan 2019 06:26:03 -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=ncWC1sQSGq8dCoDCHGdc0UKCVRQPCUtJfaMUbHP+6As=; b=CzZhzAGWEjnHdXWRzKhiu5QMwYIxRWWRFk3tQtzWhlJF1hl6/5GcJRPtteWhoTzwAc rS4wcOImPaBrVaZbeOKGbY0WCGcxRcN4viWBJnq3w+7GmVh0rIwThS29UTghC/Xuvk2e aJhHDRFg/0v+FGRvDw4k3MF4/K4UVedqf3gYaZvp+4ZJuV/zEPNTsFXvB3blYcWjbx/y 3HAIXUNcgxznRxfg7+6Kl1dKLeXSrTrPDW00QyEUFJENktT10Xer3rwkwtadadJa4eSL cLwhkZk/v6if90KTOUNDKwjJCv7aGnYUEf/Q75wkmY8m+oUENk6UrZeBH+TQHW6ZThTV JuQA== X-Gm-Message-State: AJcUukcBWFhQoCMipYwgroCi/qG/IoGP+NDb+eSP4y8yg8wwsEYD5wIV 8FV3v/sYnNqAcwJrN0jeWiIQb2mK3r3kW6fCkUmPMqmus1d+ X-Google-Smtp-Source: AHgI3IYLIwd0btNqvZ17JMk25EAWayJgMsh9D8yoQUA+QmySAdi7O8cHBh//V1EsXGAcyVM5KW297wrM0/sM9/0hC5qcw3aN6gHn MIME-Version: 1.0 X-Received: by 2002:a5e:d50b:: with SMTP id e11mr848606iom.25.1548167163571; Tue, 22 Jan 2019 06:26:03 -0800 (PST) Date: Tue, 22 Jan 2019 06:26:03 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d6738b05800cc19e@google.com> Subject: Re: possible deadlock in vfs_fallocate From: syzbot To: arve@android.com, devel@driverdev.osuosl.org, dvyukov@google.com, ebiggers3@gmail.com, gregkh@linuxfoundation.org, joelaf@google.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, maco@android.com, penguin-kernel@i-love.sakura.ne.jp, syzkaller-bugs@googlegroups.com, tkjos@android.com, tkjos@google.com 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 Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+148c2885d71194f18d28@syzkaller.appspotmail.com Tested on: commit: 48b161983ae5 Merge tag 'xarray-5.0-rc3' of git://git.infra.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=dd3a020d055fa2e8 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=16e6d908c00000 Note: testing is done by a robot and is best-effort only.