linux-kernel - Re: [PATCH v2 5/5] audit: replace getname()/putname() hacks with reference counters

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Date:	Thu, 22 Jan 2015 11:24:10 -0500
From:	Paul Moore <pmoore@...hat.com>
To:	Richard Guy Briggs <rgb@...hat.com>
Cc:	linux-fsdevel@...r.kernel.org, linux-audit@...hat.com,
	sd@...asysnail.net, linux-kernel@...r.kernel.org,
	linux@...ck-us.net, viro@...iv.linux.org.uk
Subject: Re: [PATCH v2 5/5] audit: replace getname()/putname() hacks with reference counters

On Thursday, January 22, 2015 11:09:42 AM Richard Guy Briggs wrote:
> On 15/01/22, Paul Moore wrote:
> > In order to ensure that filenames are not released before the audit
> > subsystem is done with the strings there are a number of hacks built
> > into the fs and audit subsystems around getname() and putname().  To
> > say these hacks are "ugly" would be kind.
> > 
> > This patch removes the filename hackery in favor of a more
> > conventional reference count based approach.  The diffstat below tells
> > most of the story; lots of audit/fs specific code is replaced with a
> > traditional reference count based approach that is easily understood,
> > even by those not familiar with the audit and/or fs subsystems.
> > 
> > CC: viro@...iv.linux.org.uk
> > CC: linux-fsdevel@...r.kernel.org
> > Signed-off-by: Paul Moore <pmoore@...hat.com>
> 
> Noted change of bumping refcnt before passing back pointer to struct
> filename.
> 
> Reviewed-by: Richard Guy Briggs <rgb@...hat.com>

Thanks for taking another look at the patch set.

-- 
paul moore
security @ redhat

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