commit e159332b upstream.

Verify that inode size is sane when loading inode with data stored in
ICB. Otherwise we may get confused later when working with the inode and
inode size is too big.
Reported-by: Carl Henrik Lunde <chlunde@ping.uio.no>
Signed-off-by: Jan Kara <jack@suse.cz>
[lizf: Backported to 3.4: just return on error, as there's no "out" label]
Signed-off-by: Zefan Li <lizefan@huawei.com>