[jira] [Created] (CASSANDRA-5903) Integer overflow in OffHeapBitSet when bloomfilter > 2GB

["Taylan Develioglu (JIRA)" <ji...@apache.org>]

Taylan Develioglu created CASSANDRA-5903:
--------------------------------------------

             Summary: Integer overflow in OffHeapBitSet when bloomfilter > 2GB
                 Key: CASSANDRA-5903
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5903
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Taylan Develioglu
             Fix For: 1.2.9


byteCount overflows and causes an IllegalArgument exception in Memory.allocate when bloomfilter is > 2GB.

Suggest changing byteCount to long.

{code}
    public OffHeapBitSet(long numBits)
    {
        // OpenBitSet.bits2words calculation is there for backward compatibility.
        int byteCount = OpenBitSet.bits2words(numBits) * 8;
        bytes = RefCountedMemory.allocate(byteCount);
        // flush/clear the existing memory.
        clear();
    }

{code}

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