Make cwd required

Signed-off-by: Mrunal Patel <[email protected]>

Author: mrunalp

libcontainer/init_linux.go

@@ -134,10 +134,8 @@ func finalizeNamespace(config *initConfig) error {
 	if err := w.drop(); err != nil {
 		return err
 	}
-	if config.Cwd != "" {
-		if err := syscall.Chdir(config.Cwd); err != nil {
-			return err
-		}
+	if err := syscall.Chdir(config.Cwd); err != nil {
+		return err
 	}
 	return nil
 }

spec.go

@@ -53,6 +53,7 @@ var specCommand = cli.Command{
 						"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
 						"TERM=xterm",
 					},
+					Cwd: "/",
 				},
 				Hostname: "shell",
 				Mounts: []specs.MountPoint{