linux-kernel - Re: [PATCH][securityfs][2.6.34] Drop dentry reference count when mknod fails

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Date:	Fri, 16 Jul 2010 11:38:43 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Tvrtko Ursulin <tvrtko.ursulin@...hos.com>
cc:	"greg@...ah.com" <greg@...ah.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-security-module@...r.kernel.org
Subject: Re: [PATCH][securityfs][2.6.34] Drop dentry reference count when
 mknod fails

On Thu, 15 Jul 2010, Tvrtko Ursulin wrote:

> 
> lookup_one_len increments dentry reference count which is not decremented
> when the create operation fails. This can cause a kernel BUG at
> fs/dcache.c:676 at unmount time. Also error code returned when new_inode()
> fails was replaced with more appropriate -ENOMEM.
> 
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@...hos.com>

Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6#next

-- 
James Morris
<jmorris@...ei.org>
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