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=DKIMWL_WL_HIGH,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 DFF2DC2BA19 for ; Thu, 9 Apr 2020 18:36:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B1DF6206F7 for ; Thu, 9 Apr 2020 18:36:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586457412; bh=HZ7E/aOqk4BoMCRfoqkcG3OlsmAeiq1kWXwqpUBpYP8=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=Me3XQBTQYaMTSQTrxhTRi7HLQlhDDJp82nQog5vZ7Jd9B1oGe41geKSjgrPGM9i3P tmoUlQfe5ik51eR4ESntlsYI5jfI8xi5Gyrc77sTwMld5JRzRGtCxyuXKtN2YzN66d V+NUK+b217yIUEJ8kn4CiKur1eKVhjeP1Qqlw0Jg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726671AbgDISgv (ORCPT ); Thu, 9 Apr 2020 14:36:51 -0400 Received: from mail-lf1-f66.google.com ([209.85.167.66]:34853 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726470AbgDISgu (ORCPT ); Thu, 9 Apr 2020 14:36:50 -0400 Received: by mail-lf1-f66.google.com with SMTP id r17so431767lff.2 for ; Thu, 09 Apr 2020 11:36:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=N/+se2UHgrfLQE0M/DBpN86UleQ7BkRzq/fVSWTmR4I=; b=Uk3vkLLnOL8XH6hpPhWCArhvSElp5DkPZZzfl19oy8vdkPSomq+LC2ORDEWY3tg5f7 JWg1VC2w6K5RpT0TCfi+IeafFwg0poVjQ3qfy8Bf3l075rFYIX4vvPbLh/8hObqy/sPc s9QtrG5hqTX3HzcVkUn7y1E6VqDG3uEfihU2w= 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=N/+se2UHgrfLQE0M/DBpN86UleQ7BkRzq/fVSWTmR4I=; b=OhZixVk6+Q979KwVy7aq9hLF+NOOQM8x08rhqfIpeZYHRQ1kcpff6QS7O0/unoMO9Z rIgiMxSL5k8i/vOUO2U62Xnd6D5Uqoprmkk4ekhhl5ny6kZHFfzNfLfVbYvNxUhWs1/l LvFVNzoCKD9HbuGOmMfMHX4seOSEEC+TK8GiEijxv307VnQKopJ+bUf8VnQjUxGI1Vgy etgHuHi/KPMwGbM2QB/h0EOEwK7zm7b9hsR3HSYCQWP2ITuGMykR1yN6v+1MHqv60Ts9 3PYr2AkXVt1+C7Xg7Jbvo01XzhEwTBHIj5aJ1ReZQDgcqTZFCdRavKUFpyM3D1IeVJew bjfw== X-Gm-Message-State: AGi0PuZcqpjq8/uMmSlTfMfQnMHAoDcazUN383hzjiIxrUpbUqDsV9Ds nX/ckoDT7xRGZ550pqcdczZpScj1Mto= X-Google-Smtp-Source: APiQypKMQfZhmsvDNsVHW69OQ9GMHA5oULTEGffIP0ICMUKEV6A6tXmd87DH+Hvw6U7PVWonmeS0Ug== X-Received: by 2002:ac2:4d10:: with SMTP id r16mr387094lfi.180.1586457408104; Thu, 09 Apr 2020 11:36:48 -0700 (PDT) Received: from mail-lj1-f181.google.com (mail-lj1-f181.google.com. [209.85.208.181]) by smtp.gmail.com with ESMTPSA id j22sm18335872lfg.96.2020.04.09.11.36.45 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Apr 2020 11:36:46 -0700 (PDT) Received: by mail-lj1-f181.google.com with SMTP id t17so720395ljc.12 for ; Thu, 09 Apr 2020 11:36:45 -0700 (PDT) X-Received: by 2002:a2e:7c1a:: with SMTP id x26mr652422ljc.209.1586457405165; Thu, 09 Apr 2020 11:36:45 -0700 (PDT) MIME-Version: 1.0 References: <87blobnq02.fsf@x220.int.ebiederm.org> <87lfnda3w3.fsf@x220.int.ebiederm.org> <87blo45keg.fsf@x220.int.ebiederm.org> <87v9maxb5q.fsf@x220.int.ebiederm.org> <87y2r4so3i.fsf@x220.int.ebiederm.org> <87wo6or3pg.fsf@x220.int.ebiederm.org> In-Reply-To: From: Linus Torvalds Date: Thu, 9 Apr 2020 11:36:28 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] Please pull proc and exec work for 5.7-rc1 To: Bernd Edlinger Cc: "Eric W. Biederman" , Waiman Long , Ingo Molnar , Will Deacon , Linux Kernel Mailing List , Alexey Gladkov , Oleg Nesterov 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 Thu, Apr 9, 2020 at 10:46 AM Bernd Edlinger wrote: > > Test case 1/2 is working 2/2 is failing, deadlocking, > I think even the time-out handler does not kill the dead-lock > if I remember correctly. Ok, I get [==========] Running 2 tests from 1 test cases. [ RUN ] global.vmaccess [ OK ] global.vmaccess [ RUN ] global.attach global.attach: Test terminated by timeout [ FAIL ] global.attach [==========] 1 / 2 tests passed. [ FAILED ] but reading that test it's not doing what I thought it was doing. I thought it was doing the ptrace from within a thread. But it's doing a proper fork() and doing the attach from the parent, just doing the TRACEME from a thread that exits. I guess I need to look at what that test is actually testing, because it wasn't what I thought. Linus