Received: by 10.192.165.148 with SMTP id m20csp209236imm; Fri, 20 Apr 2018 05:38:54 -0700 (PDT) X-Google-Smtp-Source: AIpwx4/9FG3V7PMl2E+rfomXRanpPCriQ8y7lBk8mPrKGfKY2pRStBvoPK0YVsDFs4FMHFtvBXkf X-Received: by 10.98.75.194 with SMTP id d63mr9438740pfj.99.1524227934511; Fri, 20 Apr 2018 05:38:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1524227934; cv=none; d=google.com; s=arc-20160816; b=Zi427t49JrcQxjFsLFqx2yIAJ03LLUJ5u80I0gnvMz0X+K1naW2XomTSkWO2XLVjj2 aMqv6pst4YsWbD8q2PLFvN2z0O1zNn/8VQTfMJB2d4mYBqTTZyNE1ft8i40Oh2HGmujU 23wzJq0peJB+bJ5pzh6aIfwVNmpHRFmOHOKKwDukd8oc9cIDbvDdb1jCEjXBqXl6kadO ATgSLu9IU6NNH1O9CLEk5xZhMgK8FyHAJCvXlEgfm6j+cvjZSz2AzbNNQT8xfdJdzXyo czSW8H/I/i++Zc7MtCSvktSU7dADWOvefjITBoraA5DRAG2UqdCtue+xPRYOwvLJrHcn 2fEA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:date:cc:to:from:subject:message-id :arc-authentication-results; bh=i8pA1KPk8d+wGlsNLkfq/fUEWFLbmKFvaiHiV9axWU4=; b=VC49PK9u5Br6RxRvpUV66M/f6uFpI1RalTd1ivfWr/PNC5hVExfRanS+ejNc03/a3m bwzsaeomjfGHLAY2EKBe/NOURW3XBqZT+mN38Rp01I1nCUAM4Sm1JWO82w+KGUiNxdel hVX3bY2opMB+M12P/ZpCCeIPuxKe2ZCApTFwhNk1hvqKSHK5QGUwF8tGklPrmW+3Q5aS x0pXO4ibU9Yb2pLCCHKgz+TsNlLNdxgJWlEz0RM775LzdRT3ysH7v3t2EMplS/+j8SY5 OurQsh+fC25K7s2550tNp0fdk263No2qNcOllYMUSRzibfSu1a11ArzZGH1CbgqXcoVi cfQA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h16-v6si5738201pli.474.2018.04.20.05.38.39; Fri, 20 Apr 2018 05:38:54 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754771AbeDTMh3 (ORCPT + 99 others); Fri, 20 Apr 2018 08:37:29 -0400 Received: from mout.gmx.net ([212.227.17.20]:55225 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754591AbeDTMh2 (ORCPT ); Fri, 20 Apr 2018 08:37:28 -0400 Received: from homer.simpson.net ([185.221.150.85]) by mail.gmx.com (mrgmx103 [212.227.17.168]) with ESMTPSA (Nemesis) id 0M8MyE-1eEdHj2mH4-00vtdg; Fri, 20 Apr 2018 14:37:25 +0200 Message-ID: <1524227844.6103.1.camel@gmx.de> Subject: Re: DOS by unprivileged user From: Mike Galbraith To: Ferry Toth Cc: lkml Date: Fri, 20 Apr 2018 14:37:24 +0200 In-Reply-To: <1911073.n8LaRrY1S6@ferry-quad> References: <9023506.UBh6vynRGa@delfion> <1524199618.5757.3.camel@gmx.de> <1911073.n8LaRrY1S6@ferry-quad> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.22.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:NSyCyRQYdKXVfWYiX8LtuGCnvFd73yTKgRYgm2xqqA8iZ7g13lm Y3eQuC+MPlUOnvg18W98jjz8b4yFtUX/OlluboLpc46ynKkVZD0cgEV/QFu3C0j5gUwrha/ MZbMHojWMb7E4YgB2QwVMzidBpNH9Bx7aM7R8ZkWvmC9BFqF7SM0GrTlTYkgkC+Sp8EbuIn 2GoyBr97IN7tJrJ69ITvQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:kdb/fhsY1nI=:NaO0ILz9VnKsotMoI5bGhM S/yviYpZlJ5zgfs/eIIchBtvlnyHJpFetr0ooKSY4YcclEGJMZwdGbWtcxx+brTvyWO8gMnV5 x6SXMIKavEhd2d5NEM3I3QuLcJNMfS9fRrxQ7zY8HUQg0U4J9624nw+7Ju9bT+aUfYuDkLlZq iPHQFf/mxqqqtxrG+/Os9WbQM5FntSYDvD+68/22qTiHwzvPnX2NitmkW2SV2ZQLgu/eelWdY pFkYx06iSeAnp4o6Ug6mK82jbk7AiL9VCBE4bLO6sIyKfZa7hmsHOFSXo5kwB87fI+cqp9Yzd RNqHt5lKJ4RX6x7t9eL06BTckJNZSUAHv/t8QtOPVGc/oB2PBoENe3DVOFa5iCYRx6oK/1AQo UFyvx1O4zgbmmZz6P7qJm3V5W09J4cZUJAKUpEJxHuS1naAQ5V5BMfOxveJirVI2ehPzTp87s SRgdXMmFxOLS50qTbnnOOmp67CAsqxw2n+yI/Lp/eP33IKsvBI8OikPe/j5iESaDr5ckxxJQi O2LGU7e99ZlAu6H76v5k2twRa8pRud4/nw9psU8WD3LTtu3ZQxhQnKg1WOvB6JMRilEF2UiEU W/nt247TLn2AejT65ieO1SmqDLASqGZrsAPusIs3KJJxWxUjD6VecVQB6+2xGzU+luP1EqaEp nUkLTEqfCO+BIHEU1LA+YqcKeugiB2p0JXevqAVigSf/N2FmT/zc52e+fjzteK8KmZR46nBSj mnvlHEkzwEUitm6o78Bc/1rrjfYhVVzWYOqV08rlQoLCiYXxFnwfZHbbeBptqgEKDy9J6rqif 9gw7zNA0tMH7J2fR96XPxRBYQ0fJUezqaTHEruHelEy4hAIUOc= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2018-04-20 at 10:39 +0200, Ferry Toth wrote: > > Nevertheless I feel one process should not be allowed to harm other > processes by denying them resources. Even if when btrfs makes it easy > abuse I think the scheduler should have throttled gitk. Memory management is not in it's job description. -Mike