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=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,FSL_HELO_FAKE, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 88989C2BABC for ; Tue, 7 Apr 2020 03:33:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5B1B020672 for ; Tue, 7 Apr 2020 03:33:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="X/zRB9Wh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726676AbgDGDdl (ORCPT ); Mon, 6 Apr 2020 23:33:41 -0400 Received: from mail-pj1-f67.google.com ([209.85.216.67]:35914 "EHLO mail-pj1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726329AbgDGDdl (ORCPT ); Mon, 6 Apr 2020 23:33:41 -0400 Received: by mail-pj1-f67.google.com with SMTP id nu11so170448pjb.1; Mon, 06 Apr 2020 20:33:40 -0700 (PDT) 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:in-reply-to; bh=i/Z+1EhzPKH/+gfsWTS8RfxVvrjmpU0UXINubSAXsU4=; b=X/zRB9WhYvcfUKxGIE5qtnjlusjCpiEokIO2jk8OX71FC9c0apvw+FTHWDkekRGt01 V/okEsXmgjLwNaevfOAqS8dV0Jji+ykoU2gVNgtzHxlEJ7peVucFhOAj0EV53Nd4DvKr 7ZL5SScqMLPqUXpIQunZ2YmpU0+/Gy+ukoRbt2zTwCS5a161ygE2cby2/+bT52hQ/xT3 xTRCop7JoA0oS22vy1XwAkaQvlKPhko4UxpXIsGTI41L624in70wPAzCLWTThShdr356 LnTBsUHZL58BCMW+gUW73jjgf6gsob8OhkJLC2QoVyXvxhBZTrXUBz0mwHF2xH6vylYe q6oA== 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:in-reply-to; bh=i/Z+1EhzPKH/+gfsWTS8RfxVvrjmpU0UXINubSAXsU4=; b=AlH1c/T0wvl83trtQJvjRgv0R97d6AUUKFhRAalEEDS7T+9+K+9wToadC89852319k DDRt66mdd2oywPjtGfmMjLQXKvnLMZqv+rVLNU2DsKq31fAGSiLD35UOJ/zFL4SF1imP b7dDpU0+JMf5J5h3nLfaW03zTr/uNwyr3NxgAKcpffzEcSnggy3iuDX79p68bQyFzmE+ /ivQGB7kpA0IEpPwt1kksVbCry0MVqP7qwEL3bc3aJmuNq9rM7NIXODUCsP4lrWCQMXA EeM1+anwhPpHmBmo+4IYqyF0SOTeDMbS753Znqf1hwTzGWSiSqXtM3b25jYpVZaih1Mx fRoA== X-Gm-Message-State: AGi0Pua2JXsOIsfWw8js5kkL3Cq5jb/3x8Wv34xCas6uOOuXfzCc0eDB z0dhcvj8suf++m6O2mLxUJQ= X-Google-Smtp-Source: APiQypIrfQvZJT2LwyUWRkkFYRDnJFheak81MJ0TQxqjm4du4jwr6HHNoKxehU7mesYXzZ7gdesZmw== X-Received: by 2002:a17:902:9892:: with SMTP id s18mr490734plp.321.1586230419618; Mon, 06 Apr 2020 20:33:39 -0700 (PDT) Received: from gmail.com ([2601:600:817f:a132:df3e:521d:99d5:710d]) by smtp.gmail.com with ESMTPSA id q71sm12941277pfc.92.2020.04.06.20.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2020 20:33:38 -0700 (PDT) Date: Mon, 6 Apr 2020 20:33:34 -0700 From: Andrei Vagin To: "Michael Kerrisk (man-pages)" Cc: Dmitry Safonov , Andrei Vagin , Adrian Reber , "Eric W. Biederman" , linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, Dmitry Safonov <0x7f454c46@gmail.com>, Thomas Gleixner , Vincenzo Frascino , Andy Lutomirski , Cyrill Gorcunov , Containers Subject: Re: [PATCH] ns: Fix time_for_children symlink Message-ID: <20200407033334.GC494464@gmail.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 03, 2020 at 02:11:39PM +0200, Michael Kerrisk (man-pages) wrote: > Dmitry, Andrei, > > Looking at the contents of the /proc/PID/ns/time_for_children > symlink shows an anomaly: > > $ ls -l /proc/self/ns/* |awk '{print $9, $10, $11}' > ... > /proc/self/ns/pid -> pid:[4026531836] > /proc/self/ns/pid_for_children -> pid:[4026531836] > /proc/self/ns/time -> time:[4026531834] > /proc/self/ns/time_for_children -> time_for_children:[4026531834] > /proc/self/ns/user -> user:[4026531837] > ... > > The reference for 'time_for_children' should be a 'time' namespace, > just as the reference for 'pid_for_children' is a 'pid' namespace. > In other words, I think the above time_for_children link should read: > > /proc/self/ns/time_for_children -> time:[4026531834] > > If you agree with this patch, then it should be marked for > stable@vger.kernel.org. > Acked-by: Andrei Vagin > Signed-off-by: Michael Kerrisk