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

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

     [ https://issues.apache.org/jira/browse/CASSANDRA-5903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Taylan Develioglu updated CASSANDRA-5903:
-----------------------------------------

    Comment: was deleted

(was: diff --git a/src/java/org/apache/cassandra/utils/obs/OffHeapBitSet.java b/src/java/org/apache/cassandra/utils/obs/OffHeapBitSet.java
index b7bb733..fb32043 100644
--- a/src/java/org/apache/cassandra/utils/obs/OffHeapBitSet.java
+++ b/src/java/org/apache/cassandra/utils/obs/OffHeapBitSet.java
@@ -119,9 +119,9 @@ public class OffHeapBitSet implements IBitSet

     public static OffHeapBitSet deserialize(DataInput dis) throws IOException
     {
-        int byteCount = dis.readInt() * 8;
+        long byteCount = dis.readInt() * 8L;
         Memory memory = RefCountedMemory.allocate(byteCount);
-        for (int i = 0; i < byteCount;)
+        for (long i = 0; i < byteCount;)
         {
             long v = dis.readLong();
             memory.setByte(i++, (byte) (v >>> 0));
)
    
> 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
>            Assignee: Vijay
>              Labels: patch
>             Fix For: 1.2.9
>
>         Attachments: 0001-CASSANDRA-5903.patch
>
>
> In org.apache.cassandra.utils.obs.OffHeapBitSet.
> byteCount overflows and causes an IllegalArgument exception in Memory.allocate when bloomfilter is > 2GB.
> Suggest changing byteCount to long.
> {code:title=OffHeapBitSet.java}
>     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}

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira