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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 674BBC433E0 for ; Tue, 9 Mar 2021 15:01:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1989465020 for ; Tue, 9 Mar 2021 15:01:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231222AbhCIPAj (ORCPT ); Tue, 9 Mar 2021 10:00:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231651AbhCIPAW (ORCPT ); Tue, 9 Mar 2021 10:00:22 -0500 Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 48ACFC06175F for ; Tue, 9 Mar 2021 07:00:22 -0800 (PST) Received: by mail-wr1-x432.google.com with SMTP id e10so16191116wro.12 for ; Tue, 09 Mar 2021 07:00:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:user-agent:mime-version; bh=eHBqZhrYU8500nSDqaUZ2khZC/9Z5Z89UaqsLiqND4E=; b=X0/XeOf+nL1DQKoaz/xujkkrBg6sj46MCcok3ljueSG97wdl49ceGwqIyWnuEW783M As0ua5cxQI7WAd/EB4hD+jGjoBSw+P5GLmYTjqWZ+led/hFsWq1LWuCw7XiiMdKoxIfg lIyqGQj+k39SEYYpd8Jp0/sOo9HiQaw9v7fZPiU5DvHOy0iB7/KT6PJCNSZBe1UPdirL Yl5klLsvDrbLtArJn7Xv0MFUIEbTM6EGSYhOm3FAniBvBAdQieHowi4Yali3aouJlYw1 h0xsu4nBasx9P0cMwraaYDWNciRMI/UEwQxtlDlt+0m0+zem+c+vHddPoMStV3h3lhz+ pKdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:user-agent :mime-version; bh=eHBqZhrYU8500nSDqaUZ2khZC/9Z5Z89UaqsLiqND4E=; b=qaVT1pmhGyiY6XQ6mWIT1ZiGt5jjeix8LO1iGiSLL/hFML8fc91neYf67LSDfL/t0i nfS5tmSJSH6wshdiN0M6eFAuI1ga7HopacjXHj+yHNpWn/VcWpEJmmwXBSnXjqxCTANN tIYu4V7vaAUZrbTmdajiqq+4DcXPfJorULQJxHGRZjK4dmAF3qdxUl7wBzNC9f18VmQa 7nUo+bVRaWwLHoyLuU82xpDrW1Cpj64TITErydh/cECcRzO6USUf2vs4DgVg7Xkb6T6t AxVAKsazP41h5GS7hTQUqGAdwKw1e3JnSFDFQp6IwoKGwfUUDJdRgeUzFS51lVVgXWEg 6KXg== X-Gm-Message-State: AOAM53098bFpdvkshf/fKuFCygBezbR1ugvrezdWi9W1nm2+Mset53Zd xUqwGpBLNas8NDUZ1g/lDt6yWcaZdw4DPA== X-Google-Smtp-Source: ABdhPJw0usCuvs7SQg/OwNv3wl8nqm/wBKdpfdc62givVnX94ppk5CN/DheAGvdiwu2qEXcwOhPDuA== X-Received: by 2002:adf:84e6:: with SMTP id 93mr27239711wrg.376.1615302021100; Tue, 09 Mar 2021 07:00:21 -0800 (PST) Received: from zoli-laptop (fibhost-66-211-161.fibernet.hu. [85.66.211.161]) by smtp.gmail.com with ESMTPSA id v6sm24693161wrx.32.2021.03.09.07.00.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Mar 2021 07:00:20 -0800 (PST) From: Szunti To: "Michael Kerrisk" , "Alejandro Colomar" Cc: linux-man@vger.kernel.org Subject: user_namespaces(7) should mention overlay as mountable since Linux 5.11 Date: Tue, 09 Mar 2021 16:00:19 +0100 Message-ID: <87v9a0wews.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org user_namespaces lists in Capabilities section the filesystems that can be mount: Holding CAP_SYS_ADMIN within the user namespace that owns a process's mount namespace allows that process to create bind mounts and mount the following types of filesystems: * /proc (since Linux 3.8) * /sys (since Linux 3.8) * devpts (since Linux 3.9) * tmpfs(5) (since Linux 3.9) * ramfs (since Linux 3.9) * mqueue (since Linux 3.9) * bpf (since Linux 4.4) IUUC this list should add * overlay (since Linux 5.11)