linux-kernel - [PATCH 09/13] overlayfs-fix-possible-leak-in-ovl_new

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Date:	Tue, 12 Mar 2013 16:41:44 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	viro@...IV.linux.org.uk, torvalds@...ux-foundation.org
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	hch@...radead.org, akpm@...ux-foundation.org, apw@...onical.com,
	nbd@...nwrt.org, neilb@...e.de, jordipujolp@...il.com,
	ezk@....cs.sunysb.edu, dhowells@...hat.com,
	sedat.dilek@...glemail.com, hooanon05@...oo.co.jp,
	mszeredi@...e.cz, Robin Dong <hao.bigrat@...il.com>,
	Robin Dong <sanbai@...bao.com>
Subject: [PATCH 09/13] overlayfs-fix-possible-leak-in-ovl_new_inode

From: Robin Dong <hao.bigrat@...il.com>

After allocating a new inode, if the mode of inode is incorrect, we should
release it by iput().

Signed-off-by: Robin Dong <sanbai@...bao.com>
Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
---
 fs/overlayfs/inode.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 0dfa8a4..033de6f 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -371,6 +371,7 @@ struct inode *ovl_new_inode(struct super_block *sb, umode_t mode,
 
 	default:
 		WARN(1, "illegal file type: %i\n", mode);
+		iput(inode);
 		inode = NULL;
 	}
 
-- 
1.7.10.4

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