#fixed code
                                private void validatePod(Pod pod) {
        assertEquals(ImmutableMap.of("some-label", "some-label-value"), pod.getMetadata().getLabels());

        // check containers
        Map<String, Container> containers = pod.getSpec().getContainers().stream()
                .collect(Collectors.toMap(Container::getName, Function.identity()));
        assertEquals(2, containers.size());

        assertEquals("busybox", containers.get("busybox").getImage());
        assertEquals("jenkins/jnlp-slave:alpine", containers.get("jnlp").getImage());

        // check volumes and volume mounts
        Map<String, Volume> volumes = pod.getSpec().getVolumes().stream()
                .collect(Collectors.toMap(Volume::getName, Function.identity()));
        assertEquals(3, volumes.size());
        assertNotNull(volumes.get("workspace-volume"));
        assertNotNull(volumes.get("empty-volume"));
        assertNotNull(volumes.get("host-volume"));

        List<VolumeMount> mounts = containers.get("busybox").getVolumeMounts();
        assertEquals(2, mounts.size());
        assertEquals(new VolumeMount("/container/data", "host-volume", null, null), mounts.get(0));
        assertEquals(new VolumeMount("/home/jenkins", "workspace-volume", false, null), mounts.get(1));

        mounts = containers.get("jnlp").getVolumeMounts();
        assertEquals(1, mounts.size());
    }
#vulnerable code 
                                private void validatePod(Pod pod) {
        assertEquals(ImmutableMap.of("some-label", "some-label-value"), pod.getMetadata().getLabels());

        // check containers
        Map<String, Container> containers = new HashMap<>();
        for (Container c : pod.getSpec().getContainers()) {
            containers.put(c.getName(), c);
        }
        assertEquals(2, containers.size());

        assertEquals("busybox", containers.get("busybox").getImage());
        assertEquals("jenkins/jnlp-slave:alpine", containers.get("jnlp").getImage());

        // check volumes and volume mounts
        Map<String, Volume> volumes = new HashMap<>();
        for (Volume v : pod.getSpec().getVolumes()) {
            volumes.put(v.getName(), v);
        }
        assertEquals(2, volumes.size());
        assertNotNull(volumes.get("workspace-volume"));
        assertNotNull(volumes.get("empty-volume"));

        List<VolumeMount> mounts = containers.get("busybox").getVolumeMounts();
        assertEquals(1, mounts.size());

        mounts = containers.get("jnlp").getVolumeMounts();
        assertEquals(1, mounts.size());
    } 
                            #location 12 
                            #vulnerability type NULL_DEREFERENCE