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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 03EB4C43387 for ; Fri, 21 Dec 2018 18:10:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B93B4217F9 for ; Fri, 21 Dec 2018 18:10:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZPfABtHI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391176AbeLUSK4 (ORCPT ); Fri, 21 Dec 2018 13:10:56 -0500 Received: from mail-wm1-f54.google.com ([209.85.128.54]:40822 "EHLO mail-wm1-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725937AbeLUSK4 (ORCPT ); Fri, 21 Dec 2018 13:10:56 -0500 Received: by mail-wm1-f54.google.com with SMTP id f188so6554117wmf.5; Fri, 21 Dec 2018 10:10:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=3R8SuVDFl0Z4HAHam8UVMNeqALQrcICms40UAUz2vG0=; b=ZPfABtHIVEmTUYvVmD/nUJEnK1msOnxX8TCEPR8TDSb7/oX8NeSC/i7Hj0GNU3SYAG IXp9nkYN5dy93ecDc01Iy1iayOsRsS9v29OwlrSQt0KhK9/JQrHlhtOEWMqBjKuH9s44 21uI/BJJUdu07QT9oX4fwiW6bZxsDpSILKo3XAmTRJKAB32E7wg5Za+ljnEh2PeJkyGE EuxvpK8FwlgaQE9bHO8QglRuhiQDk81Iz2BSvFRpPWSv98lgll4seSPcTfyJSqTIi+Cn gdRbtNKRtxeeF0A7ybXKiFYevijanCSqDfEArqDb5LymPekx6OH8hKu7KNAGuNfN670m q/pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=3R8SuVDFl0Z4HAHam8UVMNeqALQrcICms40UAUz2vG0=; b=Ol3xA6Uy4esXmfR/9aHRfHTbSLAu678u99Aejybf1d3vX28CprZyPXDoxMmUmCvoCR Q49rPME0lWLebOd7sNE5F2+Zv4Bsun8bJTFgrruwiND202jgLu4TPWFVqfmHoeU7IAhu 8W5uzg1zhEmBKrilZ7JEGe/GfTBOMb3STmirbJUEOJcdFTI5G0tB5QCoX1/efy4NBaRq r4h9c//tqt8I2IQ3c3b2IeRupWTaS49M1NjzS+CsfxXnZSU+VEEyqNWZXszGUgryVzLd UHMVBxcNBs7/2UHjCSSO/O/mqw9oaAVz9neU2raMUFVxZUdPzxNusMfBoxyfqNgPs2bT SVHA== X-Gm-Message-State: AJcUukdLkJXfPLZEK+EQrcTCnTYn+AFKF4GVb8myIIy0jDpcRORjCfnM UTXBoG+89RL+Ur+RwkKTIKiSFQk= X-Google-Smtp-Source: AFSGD/WirXPXVOQsjoGu28hSF71u9x+sXsXmm5G+3CChklnQ40naFi0IW/XfF8amc6keKO06hrJeGg== X-Received: by 2002:a1c:5fd7:: with SMTP id t206mr3948738wmb.145.1545415854153; Fri, 21 Dec 2018 10:10:54 -0800 (PST) Received: from avx2 (nat-minsk-pool-46-53-201-92.telecom.by. [46.53.201.92]) by smtp.gmail.com with ESMTPSA id 67sm3800324wra.37.2018.12.21.10.10.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 21 Dec 2018 10:10:53 -0800 (PST) Date: Fri, 21 Dec 2018 21:10:51 +0300 From: Alexey Dobriyan To: =?utf-8?B?56iL5rSL?= Cc: Andrew Morton , David Howells , "Peter Zijlstra (Intel)" , Al Viro , Johannes Weiner , Davidlohr Bueso , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: > [PATCH] Security: Handle hidepid option correctly Message-ID: <20181221181051.GA29429@avx2> References: <18d54cd3edbf4fd3a7c01962f41ead58@cnbox5.mioffice.cn> <20181214154436.GA16772@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 17, 2018 at 12:21:40PM +0800, 程洋 wrote: > Actually I'm pretty sure kernel calls proc_mount() > Here is the call stack OK, hidepid= is still misdesigned. :-(