linux-kernel - [PATCH] integrity: fix IMA inode leak

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Date:	Sat, 6 Jun 2009 21:18:09 +0100 (BST)
From:	Hugh Dickins <hugh.dickins@...cali.co.uk>
To:	Mimi Zohar <zohar@...ibm.com>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Serge Hallyn <serue@...ibm.com>,
	James Morris <jmorris@...ei.org>,
	Al Viro <viro@...iv.linux.org.uk>, linux-kernel@...r.kernel.org
Subject: [PATCH] integrity: fix IMA inode leak

CONFIG_IMA=y inode activity leaks iint_cache and radix_tree_node objects
until the system runs out of memory.  Nowhere is calling ima_inode_free()
a.k.a. ima_iint_delete().  Fix that by calling it from destroy_inode().

Signed-off-by: Hugh Dickins <hugh.dickins@...cali.co.uk>
---

 fs/inode.c |    1 +
 1 file changed, 1 insertion(+)

--- 2.6.30-rc8/fs/inode.c	2009-05-16 10:26:15.000000000 +0100
+++ linux/fs/inode.c	2009-06-06 17:41:21.000000000 +0100
@@ -219,6 +219,7 @@ static struct inode *alloc_inode(struct
 void destroy_inode(struct inode *inode)
 {
 	BUG_ON(inode_has_buffers(inode));
+	ima_inode_free(inode);
 	security_inode_free(inode);
 	if (inode->i_sb->s_op->destroy_inode)
 		inode->i_sb->s_op->destroy_inode(inode);
--
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