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Subject: Re: [PATCH] x86/ima: require signed kernel modules
From:   Mimi Zohar <zohar@linux.ibm.com>
To:     Luis Chamberlain <mcgrof@kernel.org>
Cc:     linux-integrity@vger.kernel.org,
        linux-security-module@vger.kernel.org,
        linux-kernel@vger.kernel.org, Jessica Yu <jeyu@kernel.org>,
        David Howells <dhowells@redhat.com>,
        Seth Forshee <seth.forshee@canonical.com>,
        Justin Forbes <jforbes@redhat.com>,
        Matthew Garrett <mjg59@google.com>
Date:   Tue, 05 Feb 2019 18:13:26 -0500
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On Tue, 2019-02-05 at 13:13 -0800, Luis Chamberlain wrote:
> Also, do we have selftests implemented to ensure we don't regress with
> your changes?

We're working on a regression test.  "modprobe" currently first
attempts to use finit_module, and then falls back to using
init_module.  Before writing a small program to load kernel modules,
are you aware of any that allows you to specify the syscall?

Mimi