4.7-stable review patch. If anyone has any objections, please let me know.
------------------ From: Miklos Szeredi <[email protected]> commit 76bc8e2843b66f8205026365966b49ec6da39ae7 upstream. This does not work and does not make sense. So instead of fixing it (probably not hard) just disallow. Reported-by: Andrei Vagin <[email protected]> Signed-off-by: Miklos Szeredi <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- fs/overlayfs/super.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -404,7 +404,8 @@ static struct ovl_entry *ovl_alloc_entry static bool ovl_dentry_remote(struct dentry *dentry) { return dentry->d_flags & - (DCACHE_OP_REVALIDATE | DCACHE_OP_WEAK_REVALIDATE); + (DCACHE_OP_REVALIDATE | DCACHE_OP_WEAK_REVALIDATE | + DCACHE_OP_REAL); } static bool ovl_dentry_weird(struct dentry *dentry)

