linux-kernel - Re: [PATCH v12 2/4] fs: add LSM-supporting anon-inode interface

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Message-ID: <20201106174647.GC845@sol.localdomain>
Date:   Fri, 6 Nov 2020 09:46:47 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     Lokesh Gidra <lokeshgidra@...gle.com>
Cc:     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>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Paul Moore <paul@...l-moore.com>,
        Eric Paris <eparis@...isplace.org>,
        Daniel Colascione <dancol@...col.org>,
        Kees Cook <keescook@...omium.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        KP Singh <kpsingh@...gle.com>,
        David Howells <dhowells@...hat.com>,
        Thomas Cedeno <thomascedeno@...gle.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,
        nnk@...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>
Subject: Re: [PATCH v12 2/4] fs: add LSM-supporting anon-inode interface

On Fri, Nov 06, 2020 at 07:56:24AM -0800, Lokesh Gidra wrote:
> +/**
> + * Like anon_inode_getfd(), but creates a new !S_PRIVATE anon inode rather than
> + * reuse the singleton anon inode, and call the anon_init_security_anon() LSM
> + * hook. This allows the inode to have its own security context and for a LSM

"call the anon_init_security_anon() LSM hook" =>
"calls the inode_init_security_anon() LSM hook".

Otherwise this patch looks okay.  Feel free to add:

Reviewed-by: Eric Biggers <ebiggers@...gle.com>

- Eric