Re: [PATCH] security: Delay freeing inode->i

xfs

Re: [PATCH] security: Delay freeing inode->i_security till the end of RC

To:	Chandra Seetharaman <sekharan@xxxxxxxxxx>
Subject:	Re: [PATCH] security: Delay freeing inode->i_security till the end of RCU grace period
From:	Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date:	Tue, 6 Dec 2011 10:14:29 -0500
Cc:	linux-security-module@xxxxxxxxxxxxxxx, Eric Paris <eparis@xxxxxxxxxxxxxx>, XFS Mailing List <xfs@xxxxxxxxxxx>
In-reply-to:	<1323110541.31919.1451.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
References:	<1323110541.31919.1451.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
User-agent:	Mutt/1.5.21 (2010-09-15)

On Mon, Dec 05, 2011 at 12:42:21PM -0600, Chandra Seetharaman wrote:
> while running test case 234 from xfstests test suite, I was getting an
> occational memory fault in inode_has_perm() with the following stack

Interesting.  Given that have no good way to free other data with the
normal inode callback it looks like we indeed need to do this
separately.

What about IMA or similar monsters?  Posix ACLs already are covered at
least.

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