From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mimi Zohar <zohar@linux.ibm.com>
Subject: Re: [PATCH v2 0/3] initramfs: add support for xattrs in the initial
 ram disk
Date: Mon, 13 May 2019 14:36:24 -0400
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         <f7bc547c-61f4-1a17-735c-7e8df97d7965@huawei.com>
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         <20190513175250.GC69717@rani.riverdale.lan>
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To: Arvind Sankar <niveditas98@gmail.com>
Cc: Roberto Sassu <roberto.sassu@huawei.com>, Rob Landley <rob@landley.net>, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-integrity@vger.kernel.org, initramfs@vger.kernel.org
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> > How does this work today then? Is it actually the case that initramfs
> > just cannot be used on an IMA-enabled system, or it can but it leaves
> > the initramfs unverified and we're trying to fix that? I had assumed the
> > latter.
> Oooh, it's done not by starting IMA appraisal later, but by loading a
> default policy to ignore initramfs?

Right, when rootfs is a tmpfs filesystem, it supports xattrs, allowing
for finer grained policies to be defined.  This patch set would allow
a builtin IMA appraise policy to be defined which includes tmpfs.

Mimi