Commit d706c400 authored Jul 12, 2015 by Al Viro Committed by Sasha Levin Oct 27, 2015

fix a braino in ovl_d_select_inode()



[ Upstream commit 9391dd00d13c853ab4f2a85435288ae2202e0e43 ]

when opening a directory we want the overlayfs inode, not one from
the topmost layer.

Reported-By: Andrey Jr. Melnikov <temnota.am@gmail.com>
Tested-By: Andrey Jr. Melnikov <temnota.am@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

parent e93f29ff

fs/overlayfs/inode.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -339,6 +339,9 @@ struct inode ovl_d_select_inode(struct dentry dentry, unsigned file_flags)
		struct path realpath;
		enum ovl_path_type type;

		if (d_is_dir(dentry))
		return d_backing_inode(dentry);

		type = ovl_path_real(dentry, &realpath);
		if (ovl_open_need_copy_up(file_flags, type, realpath.dentry)) {
		err = ovl_want_write(dentry);