| Date | Mon, 27 Feb 2012 17:04:40 -0800 | From | Greg KH <> | Subject | [ 11/72] vfs: fix d_inode_lookup() dentry ref leak |
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3.2-stable review patch. If anyone has any objections, please let me know.
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From: Miklos Szeredi <mszeredi@suse.cz>
commit e188dc02d3a9c911be56eca5aa114fe7e9822d53 upstream.
d_inode_lookup() leaks a dentry reference on IS_DEADDIR().
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/namei.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/namei.c +++ b/fs/namei.c @@ -1094,8 +1094,10 @@ static struct dentry *d_inode_lookup(str struct dentry *old; /* Don't create child dentry for a dead directory. */ - if (unlikely(IS_DEADDIR(inode))) + if (unlikely(IS_DEADDIR(inode))) { + dput(dentry); return ERR_PTR(-ENOENT); + } old = inode->i_op->lookup(inode, dentry, nd); if (unlikely(old)) {
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