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Date:   Wed, 06 Jan 2021 21:42:20 -0500
From:   dancol <dancol@...col.org>
To:     Paul Moore <paul@...l-moore.com>
Cc:     Lokesh Gidra <lokeshgidra@...gle.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        James Morris <jmorris@...ei.org>,
        Stephen Smalley <stephen.smalley.work@...il.com>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Eric Biggers <ebiggers@...nel.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Eric Paris <eparis@...isplace.org>,
        Kees Cook <keescook@...omium.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        KP Singh <kpsingh@...gle.com>,
        David Howells <dhowells@...hat.com>,
        Anders Roxell <anders.roxell@...aro.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Matthew Garrett <matthewgarrett@...gle.com>,
        Aaron Goidel <acgoide@...ho.nsa.gov>,
        Randy Dunlap <rdunlap@...radead.org>,
        "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        YueHaibing <yuehaibing@...wei.com>,
        Christian Brauner <christian.brauner@...ntu.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Adrian Reber <areber@...hat.com>,
        Aleksa Sarai <cyphar@...har.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org, selinux@...r.kernel.org,
        kaleshsingh@...gle.com, calin@...gle.com, surenb@...gle.com,
        jeffv@...gle.com, kernel-team@...roid.com, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>, hch@...radead.org,
        Daniel Colascione <dancol@...gle.com>,
        Eric Biggers <ebiggers@...gle.com>
Subject: Re: [PATCH v13 2/4] fs: add LSM-supporting anon-inode interface

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.

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