linux-kernel - Re: Kernel panic at Ubuntu: IMA + Apparmor

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Message-ID: <87lhutt4ph.fsf@x220.int.ebiederm.org>
Date:	Fri, 25 Apr 2014 15:38:34 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Dmitry Kasatkin <dmitry.kasatkin@...il.com>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Dmitry Kasatkin <d.kasatkin@...sung.com>,
	linux-security-module <linux-security-module@...r.kernel.org>,
	John Johansen <john.johansen@...onical.com>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	James Morris <jmorris@...ei.org>, viro@...iv.linux.org.uk,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	kernel-team <kernel-team@...ts.ubuntu.com>
Subject: Re: Kernel panic at Ubuntu: IMA + Apparmor

Dmitry Kasatkin <dmitry.kasatkin@...il.com> writes:

> Is it really a show stopper to switch order of 2 functions as quick fix?
> It was like that before 3.10 and seemed ok...

When that is the question.  The answer is yes it is a show stopper.

A quick fix to bury a fundamental design flaw because the code
previously seemed ok.  That seems fundamentally wrong.

Having IMA conflict with Apparmor in Kconfig would be a sensible quick
fix.

Eric
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