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Date: Fri, 26 Oct 2012 19:19:05 +0100
From: Matthew Garrett <mjg@redhat.com>
To: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: Vivek Goyal <vgoyal@redhat.com>,
        "Eric W. Biederman" <ebiederm@xmission.com>,
        Khalid Aziz <khalid@gonehiking.org>, kexec@lists.infradead.org,
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        Roberto Sassu <roberto.sassu@polito.it>,
        Kees Cook <keescook@chromium.org>
Subject: Re: Kdump with signed images
Message-ID: <20121026181904.GA5770@srcf.ucam.org>
References: <20121023145920.GD16496@redhat.com>
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 <20121025141048.GD9377@redhat.com>
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 <20121025185520.GA17995@redhat.com>
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On Fri, Oct 26, 2012 at 01:59:34PM -0400, Mimi Zohar wrote:
> On Fri, 2012-10-26 at 03:39 +0100, Matthew Garrett wrote:
> > and it must be impossible for anything other than 
> > /sbin/kexec to make the kexec system call.
> 
> Permission is a MAC issue. :)

It's a MAC issue that has to be implemented in the kernel. We can't 
depend on userspace loading any kind of policy.

-- 
Matthew Garrett | mjg59@srcf.ucam.org
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