#vulnerable code 
                                public Node call() throws Exception {
        RetentionStrategy retentionStrategy;
        if (t.getIdleMinutes() == 0) {
            retentionStrategy = new OnceRetentionStrategy(cloud.getRetentionTimeout());
        } else {
            retentionStrategy = new CloudRetentionStrategy(t.getIdleMinutes());
        }

        final PodTemplate unwrappedTemplate = PodTemplateUtils.unwrap(cloud.getTemplate(label),
                cloud.getDefaultsProviderTemplate(), cloud.getTemplates());
        return new KubernetesSlave(unwrappedTemplate, unwrappedTemplate.getName(), cloud.name,
                unwrappedTemplate.getLabel(), retentionStrategy);
    } 
                            #location 11 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                public Node call() throws Exception {
        return KubernetesSlave
                .builder()
                    .podTemplate(cloud.getUnwrappedTemplate(t))
                    .cloud(cloud)
                .build();
    }