linux-kernel - Re: IMA + O_DIRECT (Re: [PATCH 0/1] fix IMA + Apparmor kernel panic)

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Message-ID: <CACE9dm_ARNNjCd=sM7VJ1k1H_cMYrPXd6mwttEOsMjeUb2c8mg@mail.gmail.com>
Date:	Sat, 10 May 2014 20:30:53 +0300
From:	Dmitry Kasatkin <dmitry.kasatkin@...il.com>
To:	"J. R. Okajima" <hooanon05g@...il.com>
Cc:	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Dmitry Kasatkin <d.kasatkin@...sung.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-security-module <linux-security-module@...r.kernel.org>,
	eparis@...hat.com,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: IMA + O_DIRECT (Re: [PATCH 0/1] fix IMA + Apparmor kernel panic)

On 9 May 2014 23:07, J. R. Okajima <hooanon05g@...il.com> wrote:
>
> Mimi Zohar:
>> I assume so, as there wasn't any comment.  As a temporary fix, would it
>> make sense not to measure/appraise/audit files opened with the direct-io
>> flag based policy?  Define a new IMA policy option 'directio'.  A sample
>> rule would look like:
>>
>> dont_appraise bprm_check directio fsuuid=...
>
> I prefer such approach or anything addressing in IMA only, so it makes
> sense.
>
>
> J. R. Okajima


We are working on i_mutex free solution.
Let's hold on on this...

-- 
Thanks,
Dmitry
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