From: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Date: Sat, 6 Jun 2009 20:18:09 +0000 (+0100)
Subject: integrity: fix IMA inode leak
X-Git-Tag: firefly_0821_release~14034
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f07502dae230a2c3b65381fd1b06e8a18b2c7525;p=firefly-linux-kernel-4.4.55.git

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@tiscali.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/inode.c b/fs/inode.c
index a4876e561953..bca0c618fdb3 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -219,6 +219,7 @@ static struct inode *alloc_inode(struct super_block *sb)
 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);