Merge pull request #1845 from kinvolk/alban/mount-bind-fix1753

Fix regression with mounts with non-absolute source path

Author: crosbymichael

libcontainer/specconv/spec_linux.go

@@ -270,7 +270,7 @@ func createLibcontainerMount(cwd string, m specs.Mount) *configs.Mount {
 	flags, pgflags, data, ext := parseMountOptions(m.Options)
 	source := m.Source
 	device := m.Type
-	if flags|unix.MS_BIND != 0 {
+	if flags&unix.MS_BIND != 0 {
 		if device == "" {
 			device = "bind"
 		}