Function verifyDevNull

libcontainer/rootfs_linux.go:1315–1322

(f *os.File)

}

func verifyDevNull(f *os.File) error {
	return sys.VerifyInode(f, func(st *unix.Stat_t, _ *unix.Statfs_t) error {
		if !isDevNull(st) {
			return errors.New("container's /dev/null is invalid")
		}
		return nil
	})
}

// maskDir mounts a read-only tmpfs on top of the specified path.
func maskDir(path, mountLabel string) error {