#vulnerable code 
                                @Override
    public boolean compareAndSwapValue(long expected, long value) {
        if (value == LONG_NOT_COMPLETE && binaryLongReferences != null)
            binaryLongReferences.add(new WeakReference<>(this));
        return bytes.compareAndSwapLong(offset, expected, value);
    } 
                            #location 5 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                @Override
    public boolean compareAndSwapValue(long expected, long value) {
        BytesStore bytes = this.bytes;
        return bytes != null && bytes.compareAndSwapLong(offset, expected, value);
    }