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[23.128.96.18]) by mx.google.com with ESMTP id v14si1746596edr.397.2021.01.06.19.08.18; Wed, 06 Jan 2021 19:08:45 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@paul-moore-com.20150623.gappssmtp.com header.s=20150623 header.b=jzcK6Cm4; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726794AbhAGDGa (ORCPT + 99 others); Wed, 6 Jan 2021 22:06:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726647AbhAGDG3 (ORCPT ); Wed, 6 Jan 2021 22:06:29 -0500 Received: from mail-ej1-x631.google.com (mail-ej1-x631.google.com [IPv6:2a00:1450:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35E45C0612F1 for ; Wed, 6 Jan 2021 19:05:49 -0800 (PST) Received: by mail-ej1-x631.google.com with SMTP id lt17so7869098ejb.3 for ; Wed, 06 Jan 2021 19:05:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paul-moore-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=oSUsWf76Ym0VoANrRHrfG8/N3sNNdbLhBCzibzDQLgQ=; b=jzcK6Cm4FLAHY6hu7Ywcx91MTihZUhUT4alDFfGGpy2OI2jruYUMwtMsV2Wc1QvBVj +VdUrk1WN+XglSmpIKB92NTYYak68JExk3D9+huWoZ/eBfo0xv3wRVyOwuJzzCXE4r9f eJ8IZCIwG+aTnvZ5+cwzVFMxJ/HDFPDnJhx7Q9qc/+HZY+3VsGbXWM0SvVaYUrWY1Mjy l3AyzVVBTEwKS78Oiebo2664+u+voD6vBdkl18mgx9ZfdDseA9Sbqs+ix8ZAMrtWkrub Ws8bQQ9E3w37PTz+GDe01/zjrtwfGQTvYyyCeVloOJl/678G9+5Orx6vwAvamNRpBAMP Ho8A== 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=oSUsWf76Ym0VoANrRHrfG8/N3sNNdbLhBCzibzDQLgQ=; b=PMxRd7cOtanXOFI9MZtCYTRt6ovQ3SCF6XFmSPx+VWugfCTL8uu1/Nd6IzcQOTK8BA wzUodpeD0Zo8gaDIxaVj0+HRYesJKLT/RAptZ5rUEut0hWhp2NOmea6aN/YH+o0ucwQs URIYW7aCRriDKShPb/rjLEbmeJSw41pAYaoC4QenfyLth5vIytUa7+us+l8vdWby5B8U sVcLZz0IHDuEg2SFkEjnnlV0XbbemeFeniDUC01+QcoeW70TG6GIS3aPRgBksiNCk9NQ O3ZWxhNHbJBX0VAlh85DAtFb4K8lyrIARFCZUJF9WUOfacU1Wy5OjoVN7TmocyflgmNx Q24Q== X-Gm-Message-State: AOAM530SHMZldZLFyPAMVkRERSUV8bnDweZoA/MN0fWMl+CEXQckg38g JXWr7FihuQ0Al5YQIWgVGStABbwdNXdFq9oeMQom X-Received: by 2002:a17:906:3712:: with SMTP id d18mr5049512ejc.178.1609988747833; Wed, 06 Jan 2021 19:05:47 -0800 (PST) MIME-Version: 1.0 References: <20201112015359.1103333-1-lokeshgidra@google.com> <20201112015359.1103333-3-lokeshgidra@google.com> In-Reply-To: From: Paul Moore Date: Wed, 6 Jan 2021 22:05:36 -0500 Message-ID: Subject: Re: [PATCH v13 2/4] fs: add LSM-supporting anon-inode interface To: dancol Cc: Lokesh Gidra , Andrea Arcangeli , Alexander Viro , James Morris , Stephen Smalley , Casey Schaufler , Eric Biggers , "Serge E. Hallyn" , Eric Paris , Kees Cook , "Eric W. Biederman" , KP Singh , David Howells , Anders Roxell , Sami Tolvanen , Matthew Garrett , Aaron Goidel , Randy Dunlap , "Joel Fernandes (Google)" , YueHaibing , Christian Brauner , Alexei Starovoitov , Alexey Budankov , Adrian Reber , Aleksa Sarai , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org, kaleshsingh@google.com, calin@google.com, surenb@google.com, jeffv@google.com, kernel-team@android.com, linux-mm@kvack.org, Andrew Morton , hch@infradead.org, Daniel Colascione , Eric Biggers Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 6, 2021 at 9:42 PM dancol wrote: > > On 2021-01-06 21:09, Paul Moore wrote: > > Is it necessary to pass both the context_inode pointer and the secure > > boolean? It seems like if context_inode is non-NULL then one could > > assume that a secure anonymous inode was requested; is there ever > > going to be a case where this is not true? > > The converse isn't true though: it makes sense to ask for a secure inode > with a NULL context inode. Having looked at patch 3/4 and 4/4 I just realized that and was coming back to update my comments :) -- paul moore www.paul-moore.com