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 C2265C43331 for ; Mon, 11 Nov 2019 18:27:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9A81620674 for ; Mon, 11 Nov 2019 18:27:17 +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 S1726927AbfKKS1N (ORCPT ); Mon, 11 Nov 2019 13:27:13 -0500 Received: from mail-lj1-f177.google.com ([209.85.208.177]:35452 "EHLO mail-lj1-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726943AbfKKS1N (ORCPT ); Mon, 11 Nov 2019 13:27:13 -0500 Received: by mail-lj1-f177.google.com with SMTP id r7so14895406ljg.2 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=MjgiCmOasBl1/Ljy+DiWXog4WJCnJDZOZ+qMbHVXe3xv8r7x7YDMgjCSajTn/F0md5 QwP5xHacELPqkfz+gwtT2hswHeXcaatC+T+DnnhNF/XE+8fVgqftteFldjFyOkl80rB6 EOPEm7y0LalGQhzpNg5yc83K840U06Ie1gt/cDgvnQIXyCumVUkTRmBZHn4RuS4f2X37 zFx9peQ3H4sjHrAcspVErjfmXJZB41W7mteL+5RwnZKsWG74Sw+Jy1Gyy0Paw093VtGN ejvINCtgXueqqTN+/no1r6Vp8Ga5KEWx5u2tcQCjmp+7IK+di/EcOVoukQMJpm/+hTeK EQFg== X-Gm-Message-State: APjAAAUxa5heWev2Dyp3xivRsnUPxw6BgW8f7+IMScCH+qjs46mJu4jr cGr6QJUB/+HWpD1PgaDNcuBCrrvy5Y00MXusd6SB0Q== 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-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@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