linux-kernel - Re: [PATCH] integrity: get comm using lock to avoid race in string printing

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Message-ID: <1396463260.20325.28.camel@dhcp-9-2-203-236.watson.ibm.com>
Date:	Wed, 02 Apr 2014 14:27:40 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	Eric Paris <eparis@...hat.com>
Cc:	Steve Grubb <sgrubb@...hat.com>,
	Richard Guy Briggs <rgb@...hat.com>, linux-audit@...hat.com,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-ima-user <linux-ima-user@...ts.sourceforge.net>
Subject: Re: [PATCH] integrity: get comm using lock to avoid race in string
 printing

On Wed, 2014-04-02 at 14:18 -0400, Eric Paris wrote: 
> On Wed, 2014-04-02 at 14:12 -0400, Mimi Zohar wrote:
> > On Wed, 2014-04-02 at 14:00 -0400, Steve Grubb wrote: 
> > > Hello Mimi,
> > > 
> > > On Wednesday, April 02, 2014 01:39:47 PM Mimi Zohar wrote:
> > > > This change is already being upstreamed as commit 73a6b44 "Integrity:
> > > > Pass commname via get_task_comm()".
> > > 
> > > While I was looking at Richard's patch, I noticed a few places where cause and 
> > > op are logged and the string isn't tied together with a _ or -. These are in 
> > > ima/ima_appraise.c line 383, and ima/ima_policy.c lines 333, 657, and 683. Are 
> > > these fixed upstream? Or should a patch be made?
> > 
> > Nothing has changed in terms of 'cause' and 'op'.  I would suggest
> > making the changes in integrity_audit.c: integrity_audit_msg().
> 
> The question is actually, do you know of anyone who is expecting the
> space, instead of a more 'audit standard' - or _ ?  If not, we'll change
> it.  If so, we'll discuss more   :)

CC'ing linux-ima-user as well.

Mimi

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