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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 39B74C17445 for ; Mon, 11 Nov 2019 18:27:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1313A20674 for ; Mon, 11 Nov 2019 18:27:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Fw0twQqH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726928AbfKKS1O (ORCPT ); Mon, 11 Nov 2019 13:27:14 -0500 Received: from mail-lj1-f180.google.com ([209.85.208.180]:33078 "EHLO mail-lj1-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726821AbfKKS1N (ORCPT ); Mon, 11 Nov 2019 13:27:13 -0500 Received: by mail-lj1-f180.google.com with SMTP id t5so14917776ljk.0 for ; Mon, 11 Nov 2019 10:27:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=MThzuPE5GHK9HkxVsoX5XDICTVaynruuXSaosaKjcs8=; b=Fw0twQqHYcZerf7R7Z3mbmARQOIFlH3pXVj4Yjat2DM7woJjV+SUtLUFxaEmeBl+U5 szMKEvHO9eLWrC8gGlF9I60PdiM4n2eVfToqoV5409n1CtsBTL3vU6t0ClyXdYIp4Xvt nWXLT0OSdbsl0Wx6bZ6d8xeGYVa8JX7gNAf+7micSQJLTdtOlEcyFzX48Yb1d5PPyBxL DefhaGvaBR5etVxoKduL7AjUCl4udWuhNJWtuhe24rPNevBh9yKJxiS6oY/UpubbNHmA SamzTvPY1gSEo+YFXpeKBxJxPZAYb3un85/OrkIjyB8A71lPT+Iigg7yWZpwMiCJ6xq1 VNXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=MThzuPE5GHK9HkxVsoX5XDICTVaynruuXSaosaKjcs8=; b=ey2u5Ut2hWPB0GQUSGL8VbfG2sxZX4u+mHM7W6mzl/qHaDK0+tCtvQC/eImoodhzad uoMK9zO0v7k6+wHAWfhvk02ThX/kHjNGJqpbYwdLV1ZM6e3iIECbkdGwm9eAVyi+Nb73 bFEhFbJ5xjw4Dz6GjGE7cFLQWuMO852SlpKOQk3jMahSBXAWKtRKUhJq1ImEhe9o/wi1 KgjEJx2nUPjGutEPRLD8cu9Iq9XxIqvuFYipirmp+7DK6eUzIDk344rJTBJAcw3/py+n H3dQyKpFPCjPH2BJeTOstR7fvnErJIecZFQYRGhtMoxJ6V54fxnB7wgzzfG0bh9O0h6j Lf5w== X-Gm-Message-State: APjAAAUp3r3A5hhZLMB9IMqLz62JvH9ok1yLga6EyJskA7nZFs9H5VuY 1MJs+lIt47CdDjRGFkNu/P8OhjwfwbtGvTIYJ3FcHg== X-Google-Smtp-Source: APXvYqyWMSR5OPToEop6rDei4ILQee/UuxXH+ZjV7ZXKAeitGVZS2Lw9zm51FtgZf6Xt1NfAsveDiRmS7Mfl3wUydIw= X-Received: by 2002:a2e:a410:: with SMTP id p16mr17228931ljn.46.1573496829912; Mon, 11 Nov 2019 10:27:09 -0800 (PST) MIME-Version: 1.0 References: <852514139.11036267.1573172443439.JavaMail.zimbra@redhat.com> <20191111012614.GC6235@magnolia> <1751469294.11431533.1573460380206.JavaMail.zimbra@redhat.com> <20191111083815.GA29540@infradead.org> <1757087132.11450258.1573468734360.JavaMail.zimbra@redhat.com> In-Reply-To: <1757087132.11450258.1573468734360.JavaMail.zimbra@redhat.com> From: Naresh Kamboju Date: Mon, 11 Nov 2019 23:56:58 +0530 Message-ID: Subject: Re: LTP: diotest4.c:476: read to read-only space. returns 0: Success To: Jan Stancek Cc: Christoph Hellwig , "Darrick J. Wong" , LTP List , Linux-Next Mailing List , linux-fsdevel@vger.kernel.org, chrubis , open list , Al Viro , Mark Brown , Arnd Bergmann , lkft-triage@lists.linaro.org, linux-ext4 , "Theodore Ts'o" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 11 Nov 2019 at 16:09, Jan Stancek wrote: > > > ----- Original Message ----- > > Is this a new test? > > No, it's not new. > > > If not why was this never reported? Sounds like > > we should add this test case to xfstests. > > I'm guessing not that many users still run 32bit kernels. > Naresh' setup is using ext4, so I assume he noticed only > after recent changes in linux-next wrt. directio and ext4. That's true. Started noticing recently from Linux next-20191107 kernel on i386 and arm32. Steps to reproduce: ./runltp -f dio -d /mounted-ext4-drive - Naresh